CN102129283A - Backboard and board card - Google Patents
Backboard and board card Download PDFInfo
- Publication number
- CN102129283A CN102129283A CN 201110065692 CN201110065692A CN102129283A CN 102129283 A CN102129283 A CN 102129283A CN 201110065692 CN201110065692 CN 201110065692 CN 201110065692 A CN201110065692 A CN 201110065692A CN 102129283 A CN102129283 A CN 102129283A
- Authority
- CN
- China
- Prior art keywords
- short circuit
- connector
- circuit sheet
- circuit board
- sheet
- 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.)
- Granted
Links
Images
Landscapes
- Coupling Device And Connection With Printed Circuit (AREA)
- Combinations Of Printed Boards (AREA)
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 cabinet formula equipment, for example switch (switching), router (Router) etc. all are direct supply to be provided for each integrated circuit board by backboard, realize exchanging or function such as route by each integrated circuit board.In various cabinet formula equipment, the situation of various ply-yarn drills often takes place need extract or insert because of equipment failure in the large scale computer cabinet equipment that especially is arranged in core network, makes that it is necessary that the integrated circuit board that breaks down is carried out hot plug (hot-plugging or hot swap).The hot plug 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 timely recovery capability, extendability and the dirigibility etc. of system to disaster.
The process of existing techniques in realizing hot plug comprises: under the insertion situation, and (the Central Processing Unit of the CPU (central processing unit) on the backboard; Abbreviate 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.Under 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; secondly what disconnect is signal wire, is ground wire at last, and first deenergization cut-off signal again makes integrated circuit board well be protected and not impaired.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, and made integrated circuit board remain 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 inserted backboard again, perhaps find the integrated circuit board connection instability of connector during insertion, then need continuous several times to carry out the operation of extracting and inserting integrated circuit board.The plug of above-mentioned integrated circuit board operation is rapider, usually the time very short, this moment backboard CPU still following and send power down instructions, power supply still was in opening when integrated circuit board was inserted into once more.In this case, capacitive load on the integrated circuit board is in discharge process when integrated circuit board is pulled out, promptly on integrated circuit board, there is aftercurrent, and integrated circuit board can be powered because of external power source is in opening when being inserted into backboard once more, 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 plug 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,, reduce the probability that integrated circuit board is burnt in order to solve the problem that produces dash current in the quick hot plug process.
The invention provides a kind of backboard, comprising: first substrate and first connector that is arranged on described first substrate also comprise: be arranged at the short-circuiting bar on described first substrate;
Described short-circuiting bar, be used at second connector on the integrated circuit board with before described first connector contacts, be connected with the second short circuit sheet with the first short circuit sheet on the described integrated circuit board, so that described first short circuit sheet and the described second short circuit sheet short circuit, and at described second connector with after described first connector contacts, disconnection is connected with described first short circuit sheet and the described second short circuit sheet, the described first short circuit sheet is connected with the earth signal of described integrated circuit board, and the described 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 second connector that is arranged on described second substrate, also comprise: be arranged at the first short circuit sheet and the second short circuit sheet on described second substrate, the described first short circuit sheet is connected with the earth signal of described integrated circuit board, and the described second short circuit sheet is connected with the power supply signal of described integrated circuit board;
Described first short circuit sheet and the described second short circuit sheet, be used at described second connector with before first connector on the backboard contacts, be connected to be short-circuited with the short-circuiting bar on the described backboard, and at described second connector with after described first connector contacts, disconnect and being connected of described short-circuiting bar.
Backboard of the present invention and integrated circuit board, by short-circuiting bar is set on backboard, first short circuit sheet and the second short circuit sheet corresponding with short-circuiting bar are set on integrated circuit board, and the first short circuit sheet is connected respectively with power supply with the ground of integrated circuit board with the second short circuit sheet, when integrated circuit board inserts backboard by connector, short-circuiting bar of the present invention can contact earlier before two connectors contact 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 will disconnect with the second short circuit sheet with the first short circuit sheet and being connected, thereby makes integrated circuit board safety insert backboard and operate as normal.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 plug 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, to do one to the accompanying drawing of required use in embodiment or the description of the Prior Art below introduces simply, apparently, accompanying drawing in describing below is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
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 is obtained 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 first connector 12 on first substrate 11 and be arranged at short-circuiting bar 13 on 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 first connector 12 inserts backboard, short-circuiting bar 13, be used at second connector on the integrated circuit board with before first connector 12 contacts, be connected with the second short circuit sheet with the first short circuit sheet on the integrated circuit board, so that the first short circuit sheet and the second short circuit sheet short circuit, and at second connector with after first connector 12 contacts, disconnect and being connected of the first short circuit sheet and the second 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, the integrated circuit board in the present embodiment is provided with the first short circuit sheet and the second short circuit sheet, and the first short circuit sheet is connected with power supply with the ground that the second short circuit sheet is distinguished on the integrated circuit board.
The backboard of present embodiment, by short-circuiting bar is set, can be when the integrated circuit board that adapts with it inserts backboard, at the connector on the integrated circuit board with before connector on the backboard contacts, 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 the connector on integrated circuit board is with after connector on the backboard contacts, disconnect being connected of the first short circuit sheet and the second short circuit sheet, make integrated circuit board recover normal operating conditions, both guaranteed that integrated circuit board can operate as normal, and avoided again in hot plug process fast, existing simultaneously and producing dash current, and avoided fuse or the integrated circuit board on the integrated circuit board to be burnt by dash current by aftercurrent and charging 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 first substrate 11 with riveted way by rivet, also can be installed on first substrate 11 by screw and nut.Short-circuiting bar 13 also can be installed on first substrate 11 by welding or mode such as bonding.Wherein, specifically adopt which kind of mode that short-circuiting bar 13 is installed on first substrate 11, can decide according to the structure of backboard and short-circuiting bar 13.
Wherein, for the connector that is implemented in integrated circuit board with before the connector of backboard contacts, by short-circuiting bar with the first short circuit sheet and the second short circuit sheet short circuit, and at the connector of integrated circuit board with after the connector of backboard contacts, disconnection is connected with the first short circuit sheet and the second 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 first substrate 11 by insulating body 132, for example by riveted joint, welding or mode such as bonding insulating body 132 is fixed on first substrate 11, and then realizes fixing and conduct electricity the purpose of head 131; Conduction head 131 is used to make the first short circuit sheet and the second short circuit sheet short circuit.
Further, the insulating body 132 of present embodiment can be formed 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, promptly comprise the conductive structure of conductive bodies and conduction head 131, apply insulating material in the conductive bodies outside then and form insulation course, and then form insulating body 132.In this case, the 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 first substrate 11 by riveted joint or mode such as bonding.
Further, the conduction head 131 of present embodiment can wherein be preferably copper for any materials that can conduct electricity such as copper, aluminium, iron or alloys.
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 second connector 32 on second substrate 31 and be arranged at the first short circuit sheet 33 and the second short circuit sheet 34 on 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, at second connector 32 with before first connector on the backboard contacts, be connected to be short-circuited with the short-circuiting bar on the backboard, and at second connector 32 with after first connector contacts, disconnection is connected with short-circuiting bar, so that the integrated circuit board operate as normal.
Wherein, for the integrated circuit board with present embodiment adapts, the backboard in the present embodiment is provided with short-circuiting bar, and 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 operate as normal.This shows, the integrated circuit board structure of present embodiment had both guaranteed the integrated circuit board operate as normal, avoided again in quick hot plug 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, on the direction X that inserts first connector on second substrate 31 along second connector 32, be disposed with the second short circuit sheet 34 and the first short circuit sheet 33, promptly in Fig. 4 A the first short circuit sheet 33 above the second short circuit sheet 34.In addition, can also set gradually the first short circuit sheet 33 and the second short circuit sheet 34 on the direction X that inserts first connector on second substrate 31 along second connector 32, promptly the first short circuit sheet 33 is below the second short circuit sheet.Wherein, the distance at the first short circuit sheet 33 or the second short circuit sheet, 34 distances, second substrate, 31 each edge can be carried out accommodation in conjunction with the position of other components and parts on second substrate 31.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 second substrate 31, just require the width of the conduction head of short-circuiting bar to adjust accordingly, to guarantee with the first short circuit sheet 33 and 34 short circuits of the second short circuit sheet with the distance between the first short circuit sheet 33 and the second short circuit sheet 34.
Except that above-mentioned set-up mode, the first short circuit sheet 33 and the second short circuit sheet 34 can also adopt that mode is provided with shown in Fig. 4 B.Promptly on second substrate 31 along inserting on the vertical direction Y of the direction X of first connector with second connector 32, set gradually the first short circuit sheet 33 and the second short circuit sheet 34, promptly in Fig. 4 B the first short circuit sheet 33 on the second short circuit sheet, 34 right sides.In addition, can also on second substrate 31 along inserting on the vertical direction Y of the direction X of first connector with second connector 32, set gradually the second short circuit sheet 34 and the first short circuit sheet 33, promptly 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 first connector along second connector 32, 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 first end of the first short circuit sheet 33, and second end of 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, promptly 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 taking place 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 first substrate that this mode can prevent to connect because of short-circuiting bar flows directly into integrated circuit board damages integrated circuit board.Promptly all be shorter than the first short circuit sheet 33, can improve the reliability of integrated circuit board, further reduce the impaired probability of integrated circuit board by on the direction of inserting and extracting, the second short circuit sheet 34 being set all.
Further, the first safe distance L1 and the second safe distance L2 are preferably equal, are convenient to realize and help 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 relation 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 wherein, be preferably copper for any conductive materials such as copper, aluminium, iron or alloys.
Further, second substrate 31 is printed circuit board (Printed Circuit Board; Abbreviate 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 be provided with in addition.
The integrated circuit board of present embodiment can be used in combination 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 second substrate 31 of 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 first connector 12 and second connector 32, in order to guarantee first connector 12 with the aftercurrent on the integrated circuit board is fully discharged before second connector 32 contacts.Should safety contact distance L 3 be 10cm in the present embodiment, and the length of first connector 12 is 12cm, then the tight insertion between first connector 12 and second connector 32 be apart from being 10+12=22cm.
Further, push integrated circuit board to backboard, when continuing to advance the first safe distance L1, promptly behind the 2cm, the conduction head 131 of short-circuiting bar 13 is connected 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, shown in Fig. 5 B.At this moment, the safety contact distance L 3 between first connector 12 and 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 first connector 12 and 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 disconnects with the second short circuit sheet 34 and being connected, the integrated circuit board end of being discharged.Wherein, how many present embodiments the width of conduction head 131 is specially and does not do qualification, and those skilled in the art can carry out the adaptability setting in conjunction with factors such as the structure of length, material (mainly being meant electric conductivity) and the 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 first connector 12 and second connector 32 also becomes 0, and promptly first connector 12 has just contacted with 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 first connector 12 and 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 simply discusses.Extract in the process of backboard at integrated circuit board, at first when extracting 12cm, first connector 12 disconnects with second connector 32 and being connected; 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 to extract 2cm again, 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 is provided with short-circuiting bar, integrated circuit board is provided with first short circuit sheet and the second short circuit sheet corresponding with short-circuiting bar, can in quick hot plug process, before two connectors contacts, integrated circuit board be short-circuited integrated circuit board is carried out rapid discharge, and after the contact of two connectors, finish short-circuit condition and make the integrated circuit board operate as normal, avoided in quick hot plug 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 short-circuiting bar is set on the 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 that with the technical scheme of integrated circuit board being carried out short circuit dischange before backboard contacts various needs carry out the electronic equipment of hot plug, also are applicable to the equipment that need realize the short circuit leakage current because of extraneous condition of work at integrated circuit board.
Further specify, though 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: 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 put 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 (10)
1. backboard comprises: first substrate and be arranged at first connector on described first substrate, it is characterized in that, and also comprise: be arranged at the short-circuiting bar on described first substrate;
Described short-circuiting bar, be used at second connector on the integrated circuit board with before described first connector contacts, be connected with the second short circuit sheet with the first short circuit sheet on the described integrated circuit board, so that described first short circuit sheet and the described second short circuit sheet short circuit, and at described second connector with after described first connector contacts, disconnection is connected with described first short circuit sheet and the described second short circuit sheet, the described first short circuit sheet is connected with the earth signal of described integrated circuit board, and the described second short circuit sheet is connected with the power supply signal of described integrated circuit board.
2. backboard according to claim 1, it is characterized in that, described short-circuiting bar comprises conduction head and insulating body, and described conduction head is fixedly arranged on described first substrate by described insulating body, and described conduction head is used to make described first short circuit sheet and the described second short circuit sheet short circuit.
3. backboard according to claim 2 is characterized in that, described insulating body comprise insulation course and with the integrally formed conductive bodies of described conduction head.
4. according to claim 1 or 2 or 3 described backboards, it is characterized in that when described short-circuiting bar was connected with the described second short circuit sheet with the described first short circuit sheet, described first connector contacted distance with described second connector at a distance of safety.
5. integrated circuit board, comprise second substrate and second connector that is arranged on 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 described second substrate, the described first short circuit sheet is connected with the earth signal of described integrated circuit board, and the described second short circuit sheet is connected with the power supply signal of described integrated circuit board;
Described first short circuit sheet and the described second short circuit sheet, be used at described second connector with before first connector on the backboard contacts, be connected to be short-circuited with the short-circuiting bar on the described backboard, and at described second connector with after described first connector contacts, disconnect and being connected of described short-circuiting bar.
6. integrated circuit board according to claim 5 is characterized in that, sets gradually described first short circuit sheet and the described second short circuit sheet on the direction of inserting described first connector on described second substrate along described second connector; Perhaps
On the direction of inserting described first connector on described second substrate along described second connector, set gradually described second short circuit sheet and the described first short circuit sheet.
7. integrated circuit board according to claim 5 is characterized in that, on the vertical direction, is setting gradually described first short circuit sheet and the described second short circuit sheet along the direction of inserting described first connector with described second connector on described second substrate; Perhaps
On the vertical direction, setting gradually described second short circuit sheet and the described first short circuit sheet along the direction of inserting described first connector with described second connector on described second substrate.
8. integrated circuit board according to claim 7, it is characterized in that, first end of first end of the described second short circuit sheet and the described first short circuit sheet is at a distance of first safe distance, and second end of second end of the described second short circuit sheet and the described first short circuit sheet is at a distance of second safe distance.
9. integrated circuit board according to claim 8 is characterized in that, described first safe distance equates with described second safe distance.
10. according to each described integrated circuit board of claim 5-9, it is characterized in that described second substrate is a printed circuit board, described first short circuit sheet and the described 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102129283A true CN102129283A (en) | 2011-07-20 |
| CN102129283B CN102129283B (en) | 2013-05-29 |
Family
ID=44267393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110065692 Active CN102129283B (en) | 2011-03-17 | 2011-03-17 | Backboard and board card |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102129283B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104639211A (en) * | 2013-11-08 | 2015-05-20 | 华为技术有限公司 | Connector detection method, device and system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
-
2011
- 2011-03-17 CN CN 201110065692 patent/CN102129283B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104639211A (en) * | 2013-11-08 | 2015-05-20 | 华为技术有限公司 | Connector detection method, device and system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102129283B (en) | 2013-05-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102047519B (en) | Technique for removing in-rush current limiting and short circuit current limiting | |
| JP5059197B2 (en) | Selection switch device, power supply device using the same, and switching method thereof | |
| US8242752B2 (en) | Method and arrangement for controlling an electrical device | |
| CN202997125U (en) | Short-circuit protection electrical connector | |
| CN106240161B (en) | Repair chip, regeneration chip, ink horn of regeneration and printer system | |
| CN105356431A (en) | Device for preventing secondary power supply board part becomes invalid and leads to complete machine cabinet to fall electric | |
| CN104331675A (en) | Self-destruction device of electronic equipment | |
| CN103647441A (en) | High-voltage direct-current soft start circuit | |
| CN108109644A (en) | A kind of heat exchange circuit and its application process | |
| CN102739216A (en) | Control device and method for hot plugging and electrifying of line cards of communication equipment | |
| TW201347324A (en) | Techniques for detecting removal of a connector | |
| CN102129283B (en) | Backboard and board card | |
| CN102035165B (en) | System and method for providing short-circuit protection | |
| CN111372396B (en) | Server node splicing electricity taking protection circuit, server cabinet and server node | |
| CN102882499A (en) | Hot-plug control circuit and system of power supply | |
| CN106033240A (en) | Interface power supply circuit | |
| CN103594873B (en) | Plug detection circuit | |
| CN104635906A (en) | Hard disk energy-saving circuit | |
| CN108491052B (en) | Self-recovery method for hot plug fan | |
| CN103473155B (en) | Power device, storage unit and power module | |
| CN102237667B (en) | Overcurrent detecting circuit of USB port | |
| CN102768496A (en) | Pluggable device and control method for pluggable device | |
| CN210404237U (en) | Type-C connector, docking station and electronic equipment | |
| CN1328837C (en) | Power supply monitoring method for tax control machine | |
| CN102738662A (en) | Interface, electronic apparatus with interface and protection method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |