CN107102703A - Computer card for embedded product - Google Patents

Computer card for embedded product Download PDF

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Publication number
CN107102703A
CN107102703A CN201710305510.3A CN201710305510A CN107102703A CN 107102703 A CN107102703 A CN 107102703A CN 201710305510 A CN201710305510 A CN 201710305510A CN 107102703 A CN107102703 A CN 107102703A
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CN
China
Prior art keywords
board
tooth
computer card
pcb
shape structure
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.)
Pending
Application number
CN201710305510.3A
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Chinese (zh)
Inventor
冯志新
舒伟
李路
史培
徐晓云
徐增
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Siasun Control System Co Ltd
Original Assignee
Beijing Siasun Control System Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Beijing Siasun Control System Co Ltd filed Critical Beijing Siasun Control System Co Ltd
Priority to CN201710305510.3A priority Critical patent/CN107102703A/en
Publication of CN107102703A publication Critical patent/CN107102703A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16Constructional details or arrangements
    • G06F1/18Packaging or power distribution
    • G06F1/183Internal mounting support structures, e.g. for printed circuit boards, internal connecting means
    • G06F1/185Mounting of expansion boards
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16Constructional details or arrangements
    • G06F1/20Cooling means

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Power Engineering (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

This application provides a kind of computer card for embedded product, including printed circuit board (PCB), and circuit and electronic component disposed thereon;Wherein, the printed circuit board (PCB) includes anti-wear region, include on the edge and the printed circuit board (PCB) that the anti-wear region extends positioned at the printed circuit board (PCB) along cabinet slide rail between circuit and the region of electronic component part, the height in the anti-wear region is at least 7mm, and the anti-wear region can include one or more tooth-shape structures.Present invention also provides the heat dissipation cold plate for coordinating this board to use, and the embedded computer product including this board.

Description

Computer card for embedded product
Technical field
The application is related to field of computer technology, more particularly, to a kind of computer card for embedded product.
Background technology
The field that embedded computer product is applied at present is mostly to application environment such as temperature, humidity, vibrations, impact Aspect has the field of particular/special requirement.These fields are related to industrial automation, Industry Control, traffic, medical treatment, communication, Aero-Space And the field such as national defence.For these special application fields, reliability and stability factor is particularly important.
The content of the invention
This application provides a kind of computer card for embedded product, including printed circuit board (PCB), and positioned at it On circuit and electronic component;Wherein, the printed circuit board (PCB) includes anti-wear region, and the anti-wear region is located at the print Include on the edge and the printed circuit board (PCB) that printed circuit board extends along cabinet slide rail between circuit and the region of electronic component.
Particularly, the height in the anti-wear region is at least 7mm.
Particularly, the anti-wear region includes one or more tooth-shape structures.
Particularly, one or more of tooth-shape structures, which are included in, is located at the printing electricity along along cabinet slide rail bearing of trend First tooth-shape structure at road plate two ends.
Particularly, one or more of tooth-shape structures also include one or many be located between first tooth-shape structure Individual second tooth-shape structure.
Particularly, the board is the board for 6U cabinets, and the width of first tooth-shape structure is 19 to 24mm.
Particularly, the board at least includes three the first tooth-shape structures, the width of second tooth-shape structure for 9 to 11mm;Spacing between adjacent first tooth-shape structure and the second tooth-shape structure is 9 to 12mm;Adjacent second tooth Spacing between shape structure is 24 to 30mm.
Particularly, the anti-wear region or the tooth-shape structure are covered by copper.
Particularly, perforate is included on the anti-wear region or the tooth-shape structure to allow fastener to pass through so that The board is mutually fixed with heat dissipation cold plate.
Present invention also provides a kind of heat dissipation cold plate for embedded product, wherein the cold drawing is in the correspondence abrasionproof The thickness for damaging the part in region coordinates foregoing any board so that in cold drawing and board thickness after fixation by cabinet slide rail institute Accommodate.
Present invention also provides a kind of embedded computer product, including cabinet, power supply, and it is fixed in the chassis one Block or polylith board;Wherein described board has foregoing any structure.
Brief description of the drawings
The accompanying drawing for being combined in the description and constituting a part for specification shows embodiments herein, and even It is used for the principle for explaining the application together with its explanation.It should be noted that each in the standard practices in industry, schematic diagram Part is not necessarily drawn to scale.
Fig. 1 show the schematic diagram of board in embedded product cabinet and cabinet;
Fig. 2 show the outline drawing of the 6U boards used in existing embedded product;
Fig. 3 show the outline drawing of the 6U boards for embedded product according to the application one embodiment;
Fig. 4 show the outline drawing of the 6U boards for embedded product according to the application one embodiment;
Fig. 5 show the outline drawing of the 6U boards for embedded product according to the application one embodiment;
Fig. 6 show the close-up schematic view of board profile in Fig. 5;And
Fig. 7 is the exemplary photo of the 6U boards for embedded product according to the application one embodiment.
Embodiment
Each exemplary embodiment of the application is described in detail hereinafter with reference to accompanying drawing.It should be noted that unless having in addition Body illustrates that the part and the positioned opposite of step, numerical expression and numerical value otherwise illustrated in these embodiments does not limit this The scope of application.
The description only actually at least one exemplary embodiment is illustrative below, never as to the application And its any limitation applied or used.
It may be not discussed in detail for technology, method and apparatus known to person of ordinary skill in the relevant, but suitable In the case of, the technology, method and apparatus should be considered as a part for specification.
In shown here and discussion all examples, any occurrence should be construed as merely exemplary, without It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should be noted that similar label and letter represent similar terms in following accompanying drawing, therefore, once a certain item exists It is defined, then it need not be further discussed in subsequent accompanying drawing in one accompanying drawing.
In general-purpose built-in type product scope, modular board is frequently used, its as work station core component, In occupation of crucial position in whole computer system.The meaning of modularized design is the extension to Sustainable Development in Future Property, that is to say, that the upgrading of system can be realized by increase or replacement module, without adding new equipment.So Greatly reduce the cost of system upgrade.In addition, modular design the combination for being presented as the board for realizing difference in functionality, system The hot plug to board is supported, System Expansion can be easily realized, redundancy backup, such as fan or power supply etc. can also be provided The damage of module can't cause whole system to be stopped, as long as and changing the modular system damaged and may be restarted for work Make.Which greatly enhances the operating efficiency of system, maintenance cost is reduced.
One of basis of these above-mentioned advantages is exactly the pluggable property of board in the chassis.But, plug repeatedly can band Carry out some problems.The board that the application is previously mentioned can be circuit and electronic component by printed circuit board (PCB) (PCB) and thereon The functional module of composition.Fig. 1 illustrates the schematic diagram of cabinet and board in embedded product.As shown in figure 1, one or more Board 110 is embedded among cabinet 100 by cabinet slide rail 102.In installation swapping process repeatedly, the side of board 110 Edge can repeated friction with cabinet metal sliding rail 102, and the edge rubbed of board 110 is easy to be slided by the metal of cabinet Rail is scratched, and the circuit even resulted on board 110 is damaged, ultimately results in whole module and scrap.The presence of this phenomenon, is reduced The service life of module, adds the cost of product.
In order to solve the above problems, the application has provided a kind of avoid because the plug repeatedly of board causes board abrasion very The design scrapped to Module Fail.Certainly, design provided herein is not limited to any board size, but can fit Design for pluggable board in all modular insert products.
The Cabinet Size conventional unit of general-purpose built-in type product is referred to as U, 1U=1.75inch=44.45mm, 6U machine Case just refers to that panel height typically unifies the cabinet for 6U=266.7mm, and the length of cabinet panel is typically unified as 19inch, It is exactly 482.6mm.For usually said 6U, 9U or 12U board is all the relative Cabinet Size that it is applicable.But, Either the board of what size, can all exist with the metal sliding rail of cabinet when plug and rub, therefore the application is carried Board of the design of confession suitable for any size.
For illustrative purposes, exemplary introduction is carried out below the application by taking 6U boards as an example.
Fig. 2 show the outline drawing of traditional 6U boards 200.As shown in Fig. 2 board 200 is along cabinet metal sliding rail The side in direction can be marked as 210, and its length can be about 6.299inch, about 160mm;Perpendicular to cabinet slide rail Side can be marked as 220, its length can be about 9.187inch, about 233.35mm.As shown in Fig. 2 traditional The four edges of 6U boards 200 are all straight, and the circuit on board and the minimum value apart from H1 on side 210 are about 0.098inch, that is, about 2.489mm.As can be seen here, this spacing be it is very small, it is careless slightly in swapping process It is possible to scratch circuit.
On the other hand, for cabinet, it is come regulation board moving in cabinet and to realize board by slide rail Fixed, therefore the side wall of composition sliding rail groove requires certain minimum altitude, otherwise such as 2mm or so can influence plate The fixed effect of card.And the slide rail side wall of this height will result in the wear problem of board.In addition, for fixing board card, machine Buckle structure is additionally provided with case, for the slide rail being connected in the marginal portion and cabinet with fixing board card, as shown in Figure 1 104 It is to be used for the buckle of fixing board card after board enters slide rail.Bayonet socket be also with certain length and width, buckle structure Size is generally 6mm or so, and its folding repeatedly may also cause the abrasion or even the damage to circuit of board.
Therefore, realities of the day are exactly that, in order to ensure fixed effect, slide rail side wall minimum altitude must is fulfilled for certain Value, and need to realize the fixation of board using buckle;Meanwhile, edge of the existing board along slide rail direction and circuit region it Between distance it is very narrow.Comprehensive various situations, existing cabinet and board design the abrasion for combining and easily causing to board Or even the circuit on destruction board, it have impact on the performance of modularized design advantage.
For at present, unique solution is exactly the board more renewed after board wear out failure.According to statistics, using tradition 6U boards, the cycle that new board must not be changed without because of abrasion is about 3-5.
In order to solve the above problems, this application provides a series of design of boards, illustrated below by taking 6U boards as an example.
Fig. 3 show the 6U board outline drawings according to the application one embodiment.According to one embodiment, board 300 directions extended along cabinet slide rail can be defined as 310, and the side vertical with cabinet slide rail can be defined as 320.Fig. 3 Shown, straight-line dimension of the board on 310 directions still can be 160mm, but the edge contour on 310 directions is no longer It is linear, but the tooth type structures 312 positioned at 310 direction two ends and the sunk part 314 of centre can be included.According to one Individual embodiment, the width of tooth-shape structure 312 can be 19-24mm, particularly can be 21.5mm;The width of sunk part 314 It can be 110-123mm, particularly can be 117mm.According to one embodiment, the height of tooth-shape structure 312 can be at least 7-8mm。
In addition, according to one embodiment, perforate can be included on tooth-shape structure 312, for allowing fastener such as screw Pass through, so that board be fixed together with heat dissipation cold plate.That is, in sunk part 314, cold plate thickness increase is filled up The space of this part.According to one embodiment, in 310 directions, either the region where tooth-shape structure 312 is still recessed Region where 314, the thickness of the combination of cold drawing and board is fixed, and the combination of this thickness can smoothly insert cabinet Slide rail, and bear slide rail friction mainly heat dissipation cold plate.
According to one embodiment, present invention also provides a kind of heat dissipation cold plate (not shown), this cold drawing in 310 directions Edge have with the board shown in Fig. 3 the edge-complementary in 310 directions shape.That is, with 314 pairs of sunk part The sunk part of board has been filled up in the cold drawing part answered, and can be 4.5-5.5mm in the thickness of the cold drawing in this region, particularly Can be 5mm.The thickness of thin of the relative cold drawing corresponding with 314 regions of thickness in cold drawing part corresponding with tooth 312, Ke Yishi 2.9-3.5mm, particularly can be 3.2mm, so that the group of cabinet slide rail can be entered by being constituted together with board tooth type structures 314 Close thickness.
But, above-mentioned design still has the space of lifting in terms of the laminating of cold drawing and board.Because among this design, Fixed only by the tooth 312 at 310 direction two ends with cold drawing, this is not highly beneficial for the scattered of stress.Cold drawing and plate Compactness between card has critically important influence for radiating effect.Therefore, present invention also provides other embodiments, from And also assures that radiating effect on the premise of avoiding board from wearing and tearing.
Fig. 4 show the 6U board outline drawings provided according to the application one embodiment.According to one embodiment, plate Card 400 can be defined as 410 along the direction that cabinet slide rail extends, and the side vertical with cabinet slide rail can be defined as 420.Figure Shown in 4, straight-line dimension of the board on 410 directions still can be 160mm.According to one embodiment, in order to avoid abrasion, plate It is stuck on 410 directions and circuit or electronic component is not provided with edge region 412.This region 412 can be had uniformly Height, this highly can be at least 7mm, for example, can particularly can be 8mm in the range of 7.2-8.8mm. In this region 412, designer can be arranged as required to fix cold drawing for receiving fastener such as screw One or more perforates, the number of perforate can be set as needed.In addition, on region 412 can covered with metal such as copper, The hardness and stress surface of board periphery can be increased, plugged beneficial to board, the board in swapping process can be avoided to deform.
The thickness for the entrance thing that can be accommodated due to the slide rail of cabinet be it is fixed, will being provided with the board in region 412 Fixed cold drawing, while also ensure that can smoothly enter slide rail with reference to the latter two, therefore at least corresponding to region 412 Part, the thickness of cold drawing is contracted by.
According to one embodiment, present invention also provides a kind of heat dissipation cold plate (not shown), this cold drawing with 412 regions The thickness of corresponding part can be lowered to 2.9-3.5mm, particularly can be 3.2mm.
The thickness of cold drawing directly influences the radiating effect of cold drawing.Although setting area 412 can avoid slide rail to board Abrasion, and set the region 412 with above-mentioned size to be also can be with for the reduction on board for the area of circuit Within the scope of reception, but the region for being also desirable to cold drawing reduction thickness can be the smaller the better.Therefore, this application provides with Under embodiment to meet this demand.
Fig. 5 show the 6U board outline drawings according to the application one embodiment.According to one embodiment, board 500 directions extended along cabinet slide rail can be defined as 510, and the side vertical with cabinet slide rail can be defined as 520.Fig. 5 Shown, straight-line dimension of the board on 510 directions still can be 160mm, but the profile on 510 directions is no longer linear pattern , and can include such as tooth-shape structure.As shown in figure 5, can at least include tooth along the tooth-shape structure of 510 directional spredings 512 and 514 two kinds of tooth, wherein tooth 514 can be located at two end points on 510 directions respectively, and one or more teeth 512 can be with Between two teeth 514.
In general, heat dissipation cold plate can be installed on board., can be on tooth 512 and/or 514 according to one embodiment Provided with fixed hole, so that board is fixed together with heat dissipation cold plate by fastener meanses such as screws.Cold drawing and board it Between locking and laminating degree have very big influence for the radiating efficiency of board, the laminating degree of the two is higher, radiating effect Fruit is better.
According to one embodiment, as shown in figure 5, a tooth can be respectively provided with the two ends of board on the direction along 510 514, can be provided with three teeth 512 between two teeth 514.According to one embodiment, tooth 512 and tooth 514 can have identical Size.According to other embodiments, tooth 512 and tooth 514 can be of different sizes.
Certainly, the present embodiment is illustrated by taking 6U boards as an example.With the increase of board size, its supporting cold drawing Size also increase accordingly.Then according to other embodiments, such as 9U or 12U board are provided herein in application During design, needing to set more than three teeth 512 along the possibility on 510 directions, to realize between cold drawing and board preferably Laminating.Nevertheless, the design of these designs is all within the application protection domain.
As can be seen here, the manufacturing cost of the size of board, the fixed requirement of cold drawing and board is all the influence number of tooth 512 Factor.
Fig. 6 show the partial enlarged view of the board profile in Fig. 5.According to one embodiment, the width D 1 of tooth 512 can Particularly can be 10mm to be 9-11mm;Space D 2 between adjacent tooth 512 can be 24-30mm, particularly can be 27mm;The width D 3 of tooth 514 can be 19-24mm, particularly can be 21.5mm;Between adjacent tooth 512 and tooth 514 away from It can be 9-12mm from D4, particularly can be 10.5mm.According to one embodiment, the height H1 of tooth 512 can be 3.5- 4.5mm, particularly can be 4mm;The height of tooth 514 can be at least 7mm, for example can in the range of 7.2-8.8mm, Particularly can be 8mm.
According to one embodiment, the size on the direction of board both sides 510 between corresponding tooth 514 can be still 233.35mm, or it may be said that the length on 520 sides is still 233.35mm.But it is due to using in the several embodiments of the application It is related to, both sides of the board along 510 directions respectively need the area for reserving such as about 8mm*160mm to cannot be used for circuit design, this It is strictly to have certain increase for 2.489mm*160mm edge area in the design of existing board, institute is increased Edge area probably accounts for the 2% of the board gross area.In addition, the fastener being fixed together for board and cold drawing, such as spiral shell The size in nail and corresponding hole also influences the height value of this fringe region.But, the application is by optimizing the electricity on board Road is arranged, and the board area of this ratio is used to prevent abrasion of the slide rail to board in swapping process, for the design of circuit Realization with function is the influence without essence.
In this application, the area effect that board can sacrifice the height of tooth-shape structure 312 in Fig. 3, the areas of Tu4Zhong 412 The height of tooth-shape structure 512 and 514 in the height and Fig. 5 in domain.Above-mentioned design is simply according to one embodiment of the application The numerical value of offer.But, those skilled in the art know, according to the board of difference in functionality and different circuit designs, in board The redundant area that portion can sacrifice is different.It therefore, it can reserve to be used for the height in the card edge region for avoiding abrasion Degree can also be different accordingly.But, regardless of this height value, using structure provided herein design all It is the content belonged in the application protection domain.
Fig. 7 is the exemplary photo of the 6U boards of the design of application the application one embodiment.According to one embodiment, such as Shown in Fig. 7, tooth 512 and the surface of tooth 514 can be equipped with metal such as copper, and the black portions between adjacent tooth-shape structure For cold drawing.As seen from Figure 7, board and cold drawing can be fixed on one by fastener such as screw through the hole on tooth-shape structure Rise.So, what is worn and torn when in the sliding rail that board inserts cabinet is exactly cold drawing, and is no longer board, therefore will not Influence the circuit above board and board.
Further, since having the tooth-shape structure of metallic copper as a result of surface in the design of the application, plate is increased Block the hardness and stress surface of periphery, plugged beneficial to board, the board in swapping process can be avoided to deform.
According to one embodiment, present invention also provides a kind of heat dissipation cold plate (not shown), this cold drawing in 510 directions Edge have with the board shown in Fig. 5 in 510 direction structures mutually complementary structure.That is, between tooth 512 and 514 The corresponding cold drawing of interval region filled up these depression space, can be 4.5- in the thickness of the cold drawing in this region 5.5mm, particularly can be 5mm.Thickness in cold drawing part corresponding with tooth 512 or 514 is relative with above-mentioned interval region pair The thickness for the cold drawing answered is thinner, can be 2.9-3.5mm, particularly can be 3.2mm.Such cold drawing is with having tooth-shape structure Board 500 constitute together can enter cabinet slide rail thickness.Although this design is cold in region corresponding with tooth-shape structure Plate thickness is also thinned, but still ensured that region a certain proportion of, between tooth-shape structure have bigger thickness The cold drawing of degree.Therefore the effect of radiating can be ensured on the premise of avoiding board from wearing and tearing.
Using design provided herein, the usage cycles of board can extend at least 5 years, with existing board phase 100% is extended than, service life, the cost of embedded product also relative reduction 100%.
The feature of several embodiments be foregoing has outlined so that those skilled in the art can preferably understand present aspects. It should be understood by those skilled in the art that they can be easily using designing or change other techniques and knot based on the application Same advantage of the structure to carry out identical purpose and/or realize the embodiment introduced herein.Those skilled in the art it should also be appreciated that This equivalent constructions are without departing from spirit and scope, and they are without departing from spirit and scope In the case of can do various changes, instead of and change.

Claims (11)

1. a kind of computer card for embedded product, including:
Printed circuit board (PCB), and circuit and electronic component disposed thereon;
Wherein, the printed circuit board (PCB) includes anti-wear region, and the anti-wear region is located at the printed circuit board (PCB) along cabinet Include on the edge and the printed circuit board (PCB) of slide rail extension between circuit and the region of electronic component.
2. computer card as claimed in claim 1, the height in the anti-wear region is at least 7mm.
3. computer card as claimed in claim 1, wherein the anti-wear region includes one or more tooth-shape structures.
4. computer card as claimed in claim 3, wherein one or more of tooth-shape structures are included in along cabinet slide rail It is located at first tooth-shape structure at the printed circuit board (PCB) two ends on bearing of trend.
5. computer card as claimed in claim 4, wherein one or more of tooth-shape structures also include being located at described the One or more second tooth-shape structures between one tooth-shape structure.
6. computer card as claimed in claim 5, wherein the board is the board for 6U cabinets, first tooth form The width of structure is 19 to 24mm.
7. computer card as claimed in claim 6, wherein the board at least includes three the first tooth-shape structures, described the The width of two tooth-shape structures is 9 to 11mm;Spacing between adjacent first tooth-shape structure and the second tooth-shape structure for 9 to 12mm;Spacing between adjacent second tooth-shape structure is 24 to 30mm.
8. the computer card as described in any in claim 1 to 7, wherein the anti-wear region or the tooth-shape structure quilt Copper is covered.
9. the computer card as described in any in claim 1 to 7, wherein on the anti-wear region or the tooth-shape structure Including perforate with allow fastener pass through so that the board is mutually fixed with heat dissipation cold plate.
10. a kind of heat dissipation cold plate for embedded product, wherein the cold drawing is corresponding to the part in the anti-wear region Thickness coordinates any described board in claim 1-9 so that in cold drawing and board thickness after fixation by cabinet slide rail Accommodated.
11. a kind of embedded computer product, including
Cabinet, power supply, and fixed one or more board in the chassis;
Wherein described board has the structure as described in any in claim 1-9.
CN201710305510.3A 2017-05-03 2017-05-03 Computer card for embedded product Pending CN107102703A (en)

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CN108462369A (en) * 2018-02-28 2018-08-28 湖州旭源电气科技有限公司 A kind of modular high-power high frequency switch power
CN109739310A (en) * 2018-12-18 2019-05-10 山东超越数控电子股份有限公司 A kind of cold plate bonding structure reducing thermal contact resistance

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