CN102129283B - Backboard and board card - Google Patents
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- CN102129283B CN102129283B CN 201110065692 CN201110065692A CN102129283B CN 102129283 B CN102129283 B CN 102129283B CN 201110065692 CN201110065692 CN 201110065692 CN 201110065692 A CN201110065692 A CN 201110065692A CN 102129283 B CN102129283 B CN 102129283B
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Abstract
The invention provides a backboard and a board card. The backboard comprises a first substrate and a first connector arranged on the first substrate, and further comprises a shorting strip arranged on the first substrate; the shorting strip is used for connecting a first shorting sheet and a second shorting sheet on the board card before a second connector of the board card is contacted with the first connector, so as to cause a short circuit on the first shorting sheet and the second shorting sheet, and disconnecting the connection between the first shorting sheet and the second shorting sheet after the second connector is contacted with the first connector; the first shorting sheet is connected with a ground signal end of the board card, and the second shorting sheet is connected with a power supply signal end of the board card. With the technical solution of the invention, residual current on the board card can be discharged instantly, a problem that the coexisted residual current and charging current generate impact current in a rapid hot plugging process is solved, probability of burning down the board card or a fuse wire on the board card is reduced, and reliability of the board card is improved.
Description
Technical field
The present invention relates to circuit design field, relate in particular to a kind of backboard and integrated circuit board.
Background technology
Present more common case type equipment, such as switch (switching), router (Router) etc. all is to provide direct supply by backboard to each integrated circuit board, realizes exchanging or the function such as route by each integrated circuit board.In various case type equipment, the situation of various ply-yarn drills often occurs need to extract or insert because of equipment failure in the large scale computer cabinet equipment that especially is arranged in core network, is necessary so that the integrated circuit board that breaks down is carried out hot plug (hot-plugging or hot swap).Warm connection function allows the user in shutdown system not, and the situation of not cutting off the electricity supply is taken out or changed the hardware componenies such as hard disk, power supply or ply-yarn drill that damage, and can improve system to timely recovery capability, extendability and the dirigibility etc. of disaster.
The process of existing techniques in realizing hot plug comprises: in the insertion situation, and (the Central Processing Unit of the CPU (central processing unit) on the backboard; Referred to as: CPU) by using power supply electrifying control chip (for example LTC411) control to insert the power switch of integrated circuit board.CPU acquiescence integrated circuit board does not power on when inserting backboard, it is power-off, when detecting that integrated circuit board inserts or the insertion of integrated circuit board when meeting certain condition (this condition is normally predefined), CPU opens the power switch of integrated circuit board by the power supply electrifying control chip, powers on to integrated circuit board.In the situation of extracting, the form that is designed to long and short hands by the connector with backboard and ply-yarn drill realizes.By ground wire (GND) is set to minute hand; signal wire is set to middle minute hand; power supply is set to hour hand; when this sample card is extracted backboard; what at first disconnect is power supply; what secondly disconnect is signal wire, is ground wire at last, and first deenergization again cut-off signal is not impaired so that integrated circuit board is well protected.After integrated circuit board was extracted, the CPU of backboard detected the information of extracting, and the on off state of this road power supply is set to close, so that integrated circuit board remains not power-up state when inserting next time.
But, if it is wrong to find that integrated circuit board is pulled out, then need fast the integrated circuit board that is pulled out to be reinserted backboard, find that perhaps the during insertion connection of connector of integrated circuit board is unstable, the operation that then needs the continuous several times execution to extract and insert integrated circuit board.The plug of above-mentioned integrated circuit board operation is rapider, usually the time very short, this moment backboard CPU not yet come and send power down instructions, power supply still was in opening when integrated circuit board was inserted into again.In this case, capacitive load on the integrated circuit board is in discharge process when integrated circuit board is pulled out, namely there is aftercurrent at integrated circuit board, and integrated circuit board can be powered because external power source is in opening when again being inserted into backboard, be to have charging current on the integrated circuit board, two kinds of electric current stacks will produce powerful dash current, cause fuse even integrated circuit board on the integrated circuit board to be burnt.Therefore, how to solve in the Quick hot-plugging process problem that produces dash current, preventing that fuse on the integrated circuit board or integrated circuit board from being burnt becomes problem demanding prompt solution.
Summary of the invention
The invention provides a kind of backboard and integrated circuit board, in order to solve the problem that produces dash current in the Quick hot-plugging process, reduce the probability that integrated circuit board is burnt.
The invention provides a kind of backboard, comprising: first substrate and the first connector that is arranged on the described first substrate also comprise: be arranged at the short-circuiting bar on the described first substrate;
Described short-circuiting bar, be used for inserting the integrated circuit board process to described backboard, before the second connector on the described integrated circuit board and described the first connector contact, with the first short circuit sheet on the described integrated circuit board be connected the short circuit sheet and be connected, so that described the first short circuit sheet and described the second short circuit sheet short circuit, and after described the second connector and described the first connector contact, disconnect with described the first short circuit sheet be connected being connected of the second short circuit sheet, described the first short circuit sheet is connected with the earth signal of described integrated circuit board, and described the second short circuit sheet is connected with the power supply signal of described integrated circuit board.
The invention provides a kind of integrated circuit board, comprise second substrate and the second connector that is arranged on the described second substrate, also comprise: be arranged at the first short circuit sheet and the second short circuit sheet on the described second substrate, described the first short circuit sheet is connected with the earth signal of described integrated circuit board, and described the second short circuit sheet is connected with the power supply signal of described integrated circuit board;
Described the first short circuit sheet and described the second short circuit sheet, be used for before the first connector contact on described the second connector and the backboard, be connected to be short-circuited with the short-circuiting bar on the described backboard, and after described the second connector and described the first connector contact, disconnection is connected with described short-circuiting bar.
Backboard of the present invention and integrated circuit board, by at backboard short-circuiting bar being set, at integrated circuit board first short circuit sheet and the second short circuit sheet corresponding with short-circuiting bar are set, and make the first short circuit sheet and be connected the short circuit sheet and be connected with power supply with the ground of integrated circuit board respectively, when integrated circuit board inserts backboard by connector, short-circuiting bar of the present invention can contact first before two connector contacts with the second short circuit sheet with the first short circuit sheet, make integrated circuit board generation instantaneous short circuit, aftercurrent on the integrated circuit board is discharged, after two connector contacts, short-circuiting bar and the first short circuit sheet and the second short circuit sheet will disconnect, thereby make integrated circuit board insert safely backboard and normal operation.Technical solution of the present invention can discharge the aftercurrent on the integrated circuit board in moment, solved the problem that aftercurrent and charging current in the Quick hot-plugging process produce dash current, reduce the probability that fuse on the integrated circuit board or integrated circuit board are burnt, improved the reliability of integrated circuit board.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the below will do one to the accompanying drawing of required use in embodiment or the description of the Prior Art and introduce simply, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structural representation of the backboard that Fig. 1 provides for the embodiment of the invention one;
A kind of structural representation of the short-circuiting bar that Fig. 2 provides for the embodiment of the invention one;
The structural representation of the integrated circuit board that Fig. 3 provides for the embodiment of the invention two;
The first short circuit sheet and a kind of structural representation of the second short circuit sheet on integrated circuit board that Fig. 4 A provides for the embodiment of the invention two;
The first short circuit sheet and the second short circuit sheet another structural representation on integrated circuit board that Fig. 4 B provides for the embodiment of the invention two;
The integrated circuit board that Fig. 5 A-Fig. 5 C provides for the embodiment of the invention three inserts the process synoptic diagram of backboard.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention clearer, below in conjunction with the accompanying drawing in the embodiment of the invention, technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
The structural representation of the backboard that Fig. 1 provides for the embodiment of the invention one.As shown in Figure 1, the backboard of present embodiment mainly comprises: first substrate 11, be arranged at the first connector 12 on the first substrate 11 and be arranged at short-circuiting bar 13 on the first substrate 11.Wherein, because the technical scheme of other components and parts on the backboard and various embodiments of the present invention relation is little, so all not shown in various embodiments of the present invention.
Wherein, when the integrated circuit board corresponding with the first connector 12 inserts backboard, short-circuiting bar 13, be used at the second connector on the integrated circuit board with before the first connector 12 contacts, with the first short circuit sheet on the integrated circuit board be connected the short circuit sheet and be connected, so that the first short circuit sheet and the second short circuit sheet short circuit, and at the second connector with after the first connector 12 contacts, disconnect with the first short circuit sheet be connected being connected of short circuit sheet.Wherein, the first short circuit sheet is connected with earth signal on the integrated circuit board, and the second short circuit sheet is connected with the power supply signal of integrated circuit board.
Wherein, for the backboard with present embodiment adapts, be provided with the first short circuit sheet and the second short circuit sheet on the integrated circuit board in the present embodiment, the first short circuit sheet be connected the short circuit sheet and be connected with power supply on the ground on the integrated circuit board respectively.
The backboard of present embodiment, by short-circuiting bar is set, can be when the integrated circuit board that adapts with it inserts backboard, before the connector and the connector contact on the backboard on the integrated circuit board, with the first short circuit sheet on the integrated circuit board and the second short circuit sheet short circuit, even integrated circuit board is short-circuited, aftercurrent on the integrated circuit board is fallen in abrupt release, and after the connector and the connector contact on the backboard on integrated circuit board, disconnect the first short circuit sheet and be connected the connection of short circuit sheet, make integrated circuit board recover normal operating conditions, both guaranteed that integrated circuit board can work, and avoided again in the Quick hot-plugging process, being existed simultaneously by aftercurrent and charging current and producing dash current, and avoided fuse or the integrated circuit board on the integrated circuit board to be burnt by dash current, reduce the probability that fuse on the integrated circuit board or integrated circuit board are burnt, improved the reliability of integrated circuit board.
Wherein, short-circuiting bar 13 can be fixedly arranged on the first substrate 11 by the mode of rivet with riveted joint, also can be installed on the first substrate 11 by screw and nut.Short-circuiting bar 13 also can be installed on the first substrate 11 by welding or the mode such as bonding.Wherein, specifically adopt which kind of mode that short-circuiting bar 13 is installed on the first substrate 11, can decide according to the structure of backboard and short-circuiting bar 13.
Wherein, before the connector contact for the connector that is implemented in integrated circuit board and backboard, by short-circuiting bar with the first short circuit sheet and the second short circuit sheet short circuit, and after the connector contact of the connector of integrated circuit board and backboard, disconnect with the first short circuit sheet be connected being connected of short circuit sheet, as shown in Figure 2, the short-circuiting bar 13 of present embodiment comprises conduction head 131 and insulating body 132.Conduction head 131 is connected with insulating body 132, is fixedly arranged on the first substrate 11 by insulating body 132, such as by riveted joint, welding or the mode such as bonding insulating body 132 being fixed on the first substrate 11, and then realizing fixing and conducts electricity the purpose of head 131; Conduction head 131 is used for making the first short circuit sheet and the second short circuit sheet short circuit.
Further, the insulating body 132 of present embodiment can form by insulation course with the integrally formed conductive bodies of conduction head 131.Concrete, can form structure shown in Figure 2 by identical conductive material, namely comprise the conductive structure of conductive bodies and conduction head 131, then apply insulating material in the conductive bodies outside and form insulation course, and then form insulating body 132.In this case, insulating body 132 and first substrate 11 can be welded together, realize setting firmly the purpose of conduction head 131.In addition, insulating body 132 also can independently be formed by insulating material, and links together with conduction head 131 by bonding or other modes, forms structure shown in Figure 2.In this case, can insulating body 132 be installed on the first substrate 11 by riveted joint or the mode such as bonding.
Further, the conduction head 131 of present embodiment can for any materials that can conduct electricity such as copper, aluminium, iron or alloys, wherein be preferably copper.
The structural representation of the integrated circuit board that Fig. 3 provides for the embodiment of the invention two.As shown in Figure 3, the integrated circuit board of present embodiment comprises: second substrate 31, be arranged at the second connector 32 on the second substrate 31 and be arranged at the first short circuit sheet 33 and the second short circuit sheet 34 on the second substrate 31; Wherein, the first short circuit sheet 33 is connected with the earth signal (being illustrated as "-") of integrated circuit board, and the second short circuit sheet 34 is connected with the power supply signal (being illustrated as "+") of integrated circuit board.Wherein, because the technical scheme of other components and parts on the integrated circuit board and various embodiments of the present invention relation is little, so all not shown in various embodiments of the present invention.
The first short circuit sheet 33 and the second short circuit sheet 34, be used for when integrated circuit board inserts backboard, before the first connector contact on the second connector 32 and the backboard, be connected to be short-circuited with the short-circuiting bar on the backboard, and after the second connector 32 and the first connector contact, disconnection is connected with short-circuiting bar, so that the integrated circuit board normal operation.
Wherein, for the integrated circuit board with present embodiment adapts, be provided with short-circuiting bar on the backboard in the present embodiment, short-circuiting bar cooperates the first short circuit sheet and the second short circuit sheet to be arranged on the relevant position of backboard, to finish the operation of above-mentioned short circuit and disconnection.
The integrated circuit board of present embodiment, by the first short circuit sheet and the second short circuit sheet that is connected with power supply with ground is set respectively, and with the backboard coordinating operation that adapts, can be when inserting backboard, before two connector contacts, by short-circuiting bar with the first short circuit sheet and the second short circuit sheet short circuit, realization sparks, aftercurrent on the integrated circuit board is discharged, and after two connector contacts, the connection that disconnects between the first short circuit sheet and the second short circuit sheet makes integrated circuit board normally be connected with backboard, guarantees the integrated circuit board normal operation.This shows, the board structure of present embodiment had both guaranteed the integrated circuit board normal operation, avoided again in the Quick hot-plugging process producing dash current owing to aftercurrent and charging current exist simultaneously, avoided fuse or the integrated circuit board on the integrated circuit board to be burnt by dash current, reduce the probability that fuse on the integrated circuit board or integrated circuit board are burnt, improved the reliability of integrated circuit board.
Wherein, the first short circuit sheet 33 on the present embodiment integrated circuit board and the second short circuit sheet 34 can carry out the adaptability setting according to the structure of integrated circuit board under the condition that guarantees the realization above-mentioned functions.Shown in Fig. 4 A, the direction X that inserts the first connector along the second connector 32 on second substrate 31 is disposed with the second short circuit sheet 34 and the first short circuit sheet 33, namely in Fig. 4 A the first short circuit sheet 33 above the second short circuit sheet 34.In addition, the direction X that can also insert the first connector along the second connector 32 on second substrate 31 sets gradually the first short circuit sheet 33 and the second short circuit sheet 34, and namely the first short circuit sheet 33 is below the second short circuit sheet.Wherein, the first short circuit sheet 33 or the second short circuit sheet 34 can carry out accommodation in conjunction with the position of other components and parts on the second substrate 31 apart from the distance at second substrate 31 each edge.Distance between the first short circuit sheet 33 and the second short circuit sheet 34 also can be done the adaptability setting according to other components and parts on the second substrate 31, just require the width of the conduction head of short-circuiting bar to adjust accordingly with the distance between the first short circuit sheet 33 and the second short circuit sheet 34, to guarantee the first short circuit sheet 33 and 34 short circuits of the second short circuit sheet.
Except above-mentioned set-up mode, the first short circuit sheet 33 and the second short circuit sheet 34 can also adopt that mode arranges shown in Fig. 4 B.Namely on the second substrate 31 along inserting on the vertical direction Y of the direction X of the first connector with the second connector 32, set gradually the first short circuit sheet 33 and the second short circuit sheet 34, namely in Fig. 4 B the first short circuit sheet 33 on the second short circuit sheet 34 right sides.In addition, can also on the second substrate 31 along inserting on the vertical direction Y of the direction X of the first connector with the second connector 32, set gradually the second short circuit sheet 34 and the first short circuit sheet 33, namely the first short circuit sheet 33 is in the second short circuit sheet 34 left sides.
Further, shown in Fig. 4 B, the length of the first short circuit sheet 33 is greater than the length of the second short circuit sheet 34, and inserting on the direction X of the first connector along the second connector 32, the first end of the second short circuit sheet 34 (i.e. an end of close second substrate 31 coboundarys) has the first safe distance L1 with the first end of the first short circuit sheet 33, and the second end of the second end of the second short circuit sheet 34 and the first short circuit sheet 33 has the second safe distance L2.Under this structure, no matter be when inserting or when extracting, short-circuiting bar will at first contact the first short circuit sheet 33, namely at first be connected with the earth signal of integrated circuit board, compare with the mode of power supply contiguously with the while, can avoid occuring the phenomenon of momentary arcing; In addition, compare with the mode that at first contacts power supply, the power end that the static that produces on the first substrate that this mode can prevent from connecting because of short-circuiting bar flows directly into integrated circuit board damages integrated circuit board.Namely all be shorter than the first short circuit sheet 33 by on the direction of inserting and extracting, the second short circuit sheet 34 being set all, can improve the reliability of integrated circuit board, further reduce the impaired probability of integrated circuit board.
Further, the first safe distance L1 and the second safe distance L2 are preferably equal, are convenient to realize and be conducive to the layout of integrated circuit board.
In this explanation, in Fig. 4 A and Fig. 4 B, the first short circuit sheet 33 and the second short circuit sheet 34 be arranged in parallel, but are not limited to this, and every position relationship that integrated circuit board is sparked all is applicable to present embodiment.
Wherein, the material of the first short circuit sheet 33 on the present embodiment integrated circuit board and the second short circuit sheet 34 can for any conductive materials such as copper, aluminium, iron or alloys, wherein, be preferably copper.
Further, second substrate 31 is printed circuit board (Printed Circuit Board; Referred to as: PCB), then the first short circuit sheet 33 and the second short circuit sheet 34 can be the exposed copper sheet on the pcb board, but are not limited to this, and the first short circuit sheet 33 and the second short circuit sheet 34 also can be independent of pcb board and arrange in addition.
The integrated circuit board of present embodiment can be combined with the backboard that embodiment one provides, and the process of above-mentioned integrated circuit board being inserted or extracting backboard below in conjunction with instantiation is elaborated.
The integrated circuit board that Fig. 5 A-Fig. 5 C provides for the embodiment of the invention three inserts the process synoptic diagram of backboard.Shown in Fig. 5 A, the first short circuit sheet 33 length are 10cm, and the length of the second short circuit sheet 34 is 6cm, and the first safe distance L1 and the second safe distance L2 are 2cm.At first push integrated circuit board to backboard, when the second substrate 31 of the first substrate 11 of backboard and integrated circuit board during at a distance of 25cm, the conduction head 131 of short-circuiting bar 13 is connected with the first short circuit sheet 33, because the first short circuit sheet 33 is longer than the second short circuit sheet 34, therefore, the conduction head 131 of short-circuiting bar 13 at first contacts the first short circuit sheet 33, and does not contact the second short circuit sheet 34.Shown in Fig. 5 A, when the conduction head 131 of short-circuiting bar 13 is connected with the first short circuit sheet 33, safety contact distance L 3 is apart arranged between the first connector 12 and the second connector 32, in order to guarantee the first connector 12 with the aftercurrent on the integrated circuit board is fully discharged before the second connector 32 contacts.Should safety contact distance L 3 be 10cm in the present embodiment, and the length of the first connector 12 is 12cm, then the tight insertion between the first connector 12 and the second connector 32 be apart from being 10+12=22cm.
Further, push integrated circuit board to backboard, when continue advancing the first safe distance L1, namely behind the 2cm, the conduction head 131 of short-circuiting bar 13 simultaneously with the first short circuit sheet 33 be connected short circuit sheet 34 and be connected, the first short circuit sheet 33 and the second short circuit sheet 34 are by short circuit, shown in Fig. 5 B.At this moment, the safety contact distance L 3 between the first connector 12 and the second connector 32 is 8cm, can guarantee like this before contact the aftercurrent on the integrated circuit board fully to be discharged.At this moment, the tight insertion distance between the first connector 12 and the second connector 32 is 8+12=20cm.Then, continue to push integrated circuit board to backboard, when advance again 6cm add the width of conduction head 131 such apart from the time, the conduction head 131 of short-circuiting bar 13 just skids off the second short circuit sheet 34, at this moment, the first short circuit sheet 33 and the second short circuit sheet 34 disconnect, and integrated circuit board is discharged end.Wherein, how many present embodiments the width of conduction head 131 is specially and does not do restriction, and those skilled in the art can carry out the adaptability setting in conjunction with factors such as the structure of length, material (mainly referring to electric conductivity) and backboard and the integrated circuit board of the first short circuit sheet 33 and the second short circuit sheet 34, shapes.The width of hypothesis conduction head 131 is less than 2cm in the present embodiment, continuation is pushed integrated circuit board to backboard, make the conduction head 131 of short-circuiting bar 13 just skid off the first short circuit sheet 33, safety contact distance L 3 between the first connector 12 and the second connector 32 also becomes 0, and namely the first connector 12 has just contacted with the second connector 32.
Then, continuation is pushed integrated circuit board to backboard, advance 12cm always, the conduction head 131 of short-circuiting bar 13 has skidded off the first short circuit sheet 33 fully, and with the first short circuit sheet 33 and the second short circuit sheet 34 joints be the insulating body 132 of short-circuiting bar 13, fully contact between the first connector 12 and the second connector 32 this moment, reaches the state shown in Fig. 5 C.
The process that integrated circuit board is extracted backboard is opposite with the process of insertion, below only carries out simple description.Extract in the process of backboard at integrated circuit board, at first when extracting 12cm, the first connector 12 and the second connector 32 disconnect; Then, when continuing to extract 2cm, the conduction head 131 of short-circuiting bar 13 only contacts with the first short circuit sheet 33; Continue to extract 2cm, the conduction head 131 of short-circuiting bar 13 contacts with the second short circuit sheet 34 with the first short circuit sheet 33 simultaneously, and the first short circuit sheet 33 and the second short circuit sheet 34 are by short circuit, and integrated circuit board is discharged; Continue to extract 6cm, conduction head 131 disconnections of short-circuiting bar 13 and contacting of the second short circuit sheet 34, the integrated circuit board discharge finishes; Continue again to extract 2cm, then conduction head 131 disconnections of short-circuiting bar 13 and contacting of the second short circuit sheet 34, integrated circuit board is thoroughly extracted.
By foregoing description as can be known, the backboard of present embodiment arranges short-circuiting bar, integrated circuit board arranges first short circuit sheet and the second short circuit sheet corresponding with short-circuiting bar, can integrated circuit board be short-circuited integrated circuit board is carried out rapid discharge, and after two connector contacts, finish short-circuit condition and make integrated circuit board normal operation, avoided in the Quick hot-plugging process producing dash current owing to aftercurrent and charging current exist simultaneously, avoided fuse or the integrated circuit board on the integrated circuit board to be burnt by dash current, reduce the probability that fuse on the integrated circuit board or integrated circuit board are burnt, improved the reliability of integrated circuit board.In addition, the present embodiment backboard is set up short-circuiting bar and integrated circuit board and is set up the technical scheme of short circuit sheet and do not need to increase any complicated circuit and can realize, have realize simple, realize the low advantage of cost.
In this explanation, present embodiment arranges short-circuiting bar at backboard, at the first short circuit sheet of relative set on the integrated circuit board and the second short circuit sheet to be applicable to the electronic equipment that various needs carry out hot plug at integrated circuit board with the technical scheme of integrated circuit board being carried out short circuit dischange before backboard contacts, also be applicable to need to realize because of extraneous condition of work the equipment of short circuit leakage current.
Further specify, although other components and parts in various embodiments of the present invention on not shown backboard or the integrated circuit board, but the description of the various embodiments described above according to the present invention it will be appreciated by those skilled in the art that how to realize short-circuiting bar or the short circuit sheet that the embodiment of the invention provides in conjunction with other components and parts on backboard or the integrated circuit board.
One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can be finished by the relevant hardware of programmed instruction, aforesaid program can be stored in the computer read/write memory medium, this program is carried out the step that comprises said method embodiment when carrying out; And aforesaid storage medium comprises: the various media that can be program code stored such as ROM, RAM, magnetic disc or CD.
It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (9)
1. backboard comprises: first substrate and be arranged at the first connector on the described first substrate, it is characterized in that, and also comprise: be arranged at the short-circuiting bar on the described first substrate;
Described short-circuiting bar, be used for inserting the integrated circuit board process to described backboard, before the second connector on the described integrated circuit board and described the first connector contact, with the first short circuit sheet on the described integrated circuit board be connected the short circuit sheet and be connected, so that described the first short circuit sheet and described the second short circuit sheet short circuit, and after described the second connector and described the first connector contact, disconnect with described the first short circuit sheet be connected being connected of the second short circuit sheet, described the first short circuit sheet is connected with the earth signal of described integrated circuit board, and described the second short circuit sheet is connected with the power supply signal of described integrated circuit board;
Wherein, described short-circuiting bar comprises conduction head and insulating body, and described conduction head is fixedly arranged on the described first substrate by described insulating body, and described conduction head is used for making described the first short circuit sheet and described the second short circuit sheet short circuit.
2. backboard according to claim 1 is characterized in that, described insulating body comprises insulation course and the conductive bodies integrally formed with described conduction head.
3. backboard according to claim 1 and 2 is characterized in that, when described short-circuiting bar and described the first short circuit sheet be connected the second short circuit sheet when being connected, described the first connector contact apart from (L3) at a distance of safety with described the second connector.
4. integrated circuit board, comprise second substrate and the second connector that is arranged on the described second substrate, it is characterized in that, also comprise: be arranged at the first short circuit sheet and the second short circuit sheet on the described second substrate, described the first short circuit sheet is connected with the earth signal of described integrated circuit board, and described the second short circuit sheet is connected with the power supply signal of described integrated circuit board;
Described the first short circuit sheet and described the second short circuit sheet, be used for before the first connector contact on described the second connector and the backboard, be connected to be short-circuited with the short-circuiting bar on the described backboard, and after described the second connector and described the first connector contact, disconnection is connected with described short-circuiting bar.
5. integrated circuit board according to claim 4 is characterized in that, the direction of inserting described the first connector along described the second connector on described second substrate sets gradually described the first short circuit sheet and described the second short circuit sheet; Perhaps
The direction of inserting described the first connector along described the second connector on described second substrate sets gradually described the second short circuit sheet and described the first short circuit sheet.
6. integrated circuit board according to claim 4 is characterized in that, on the described second substrate along inserting on the direction of perpendicular direction of described the first connector with described the second connector, set gradually described the first short circuit sheet and described the second short circuit sheet; Perhaps
On the described second substrate along inserting on the direction of perpendicular direction of described the first connector with described the second connector, set gradually described the second short circuit sheet and described the first short circuit sheet.
7. integrated circuit board according to claim 6, it is characterized in that, the first end of the first end of described the second short circuit sheet and described the first short circuit sheet is at a distance of the first safe distance (L1), and the second end of the second end of described the second short circuit sheet and described the first short circuit sheet is at a distance of the second safe distance (L2).
8. integrated circuit board according to claim 7 is characterized in that, described the first safe distance (L1) equates with described the second safe distance (L2).
9. each described integrated circuit board is characterized in that according to claim 4-8, and described second substrate is printed circuit board, and described the first short circuit sheet and described the second short circuit sheet are the exposed copper sheet on the described printed circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110065692 CN102129283B (en) | 2011-03-17 | 2011-03-17 | Backboard and board card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110065692 CN102129283B (en) | 2011-03-17 | 2011-03-17 | Backboard and board card |
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| CN102129283A CN102129283A (en) | 2011-07-20 |
| CN102129283B true CN102129283B (en) | 2013-05-29 |
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| CN 201110065692 Active CN102129283B (en) | 2011-03-17 | 2011-03-17 | Backboard and board card |
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| CN (1) | CN102129283B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104639211A (en) * | 2013-11-08 | 2015-05-20 | 华为技术有限公司 | Connector detection method, device and system |
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|---|---|---|---|---|
| CN1980519A (en) * | 2005-12-09 | 2007-06-13 | 三星Sdi株式会社 | Static electricity discharge structure for organic display device and fabricating method of there |
| CN2893986Y (en) * | 2006-03-29 | 2007-04-25 | 中航光电科技股份有限公司 | Electrostatic release circuit automatic protective connector |
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| CN102129283A (en) | 2011-07-20 |
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