CN101795421A - Method and device for judging reliable in-place of single plate - Google Patents
Method and device for judging reliable in-place of single plate Download PDFInfo
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- CN101795421A CN101795421A CN201010112515A CN201010112515A CN101795421A CN 101795421 A CN101795421 A CN 101795421A CN 201010112515 A CN201010112515 A CN 201010112515A CN 201010112515 A CN201010112515 A CN 201010112515A CN 101795421 A CN101795421 A CN 101795421A
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Abstract
The invention discloses a method for judging reliable in-place of a single plate, comprising the following steps: arranging at least an in-place detection point on each connector of the single plate to obtain plural detection points; an in-place detection system judging whether the single plate is in place according to variation of the in-place detection signals output by the plural in-place detection points; when judging the single plate is in place, the in-place detection system controlling the single plate to power on; and when judging the single plate is not in place, the in-place detection system controlling the single plate to power down. The invention also discloses a device for judging reliable in-place of the single plate. The invention not only can solve the problem of misjudgment of in-place of the single plate but also can control the single plate to power on after all the connectors are plugged in place, thus improving the performances of the single plate and the system.
Description
Technical field
The present invention relates to the single board design field, be meant the reliable method and apparatus on the throne of a kind of veneer especially.
Background technology
Through regular meeting's hot plug veneer, when veneer was in the insertion state, veneer was on the throne in equipment such as Ethernet switch, router.And during single-board insert-pull, often since a variety of causes causes veneer to insert contact with backboard after the frame unreliable, thereby cause that veneer work is undesired.Therefore, an in-place detection point can be set all on veneer generally, whether the high-low level of the in-place detection signal by its generation comes showing veneer to plug to put in place.
Said method has reasonable effect for the veneer with single connector, but, bigger for board dimension, situation about being connected with backboard by a plurality of connectors is very unsuitable, because when the plug veneer, the part connector can occur and plug and put in place and other a part of connector does not also have plug situation about putting in place, just can't reflect accurately by an in-place detection signal whether veneer is on the throne this moment.
At this application scenarios, publication number is that CN1540891A, denomination of invention have proposed a kind of measuring ability plate (veneer) method on the throne for the Chinese patent application of " method and system that the measuring ability plate is on the throne ", this method is pointed out: with a plurality of in-place detection points series connection that is provided with on the feature board connector and produce a detection signal, the in-place detection module judges according to the variation of this detection signal whether this feature board is on the throne.Though this method can solve the problem of feature board erroneous judgement on the throne, but also there are the following problems: as long as any one connector plug of feature board puts in place, feature board can power at once and enter operating state, if other connectors did not plug and put in place this moment, then feature board will be worked a period of time under unusual state (putting in place up to the connector plug that feature board is all), so may have influence on the performance of feature board or whole system.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of veneer reliable method and apparatus on the throne, not only can solve the problem of veneer erroneous judgement on the throne, and can control veneer and after the plug of its all connector puts in place, just power on, improve the performance of veneer and system.
For achieving the above object, technical scheme of the present invention is achieved in that
The invention provides the reliable method on the throne of a kind of veneer, this method comprises:
At least one in-place detection point is set on each connector of veneer, obtains a plurality of at test point;
In-place detection system judges according to the variation of the in-place detection signal of described a plurality of in-place detection point outputs whether described veneer is on the throne;
Judge that when described veneer was on the throne, described in-place detection system was controlled described Board Power up; Judge when described veneer is not on the throne that described in-place detection system is controlled described veneer power down.
Described a plurality of in-place detection point is specially to in-place detection system output in-place detection signal:
After described a plurality of in-place detection point parallel connections, a plurality of in-place detection signals of generation are exported to described in-place detection system.
Described a plurality of in-place detection point is specially to in-place detection system output in-place detection signal: after described a plurality of in-place detection point series connection, an in-place detection signal of generation is exported to described in-place detection system.
In-place detection system judges that whether described veneer is on the throne, is specially:
When described a plurality of in-place detection points all were communicated with, described a plurality of in-place detection signals all were low level, and described in-place detection system judges that described veneer is on the throne; When an in-place detection point disconnected, the in-place detection signal of this test point output was a high level, and described in-place detection system judges that described veneer is not on the throne; Perhaps,
When described a plurality of in-place detection points all were communicated with, described a plurality of in-place detection signals all were high level, and described in-place detection system judges that described veneer is on the throne; When an in-place detection point disconnected, the in-place detection signal of this test point output was a low level, and described in-place detection system judges that described veneer is not on the throne.
In-place detection system judges that whether described veneer is on the throne, is specially:
When described a plurality of in-place detection points all were communicated with, described in-place detection signal was a low level, and described in-place detection system judges that described veneer is on the throne; When an in-place detection point disconnected, described in-place detection signal was a high level, and described in-place detection system judges that described veneer is not on the throne; Perhaps,
When described a plurality of in-place detection points all were communicated with, described in-place detection signal was a high level, and described in-place detection system judges that described veneer is on the throne; When an in-place detection point disconnected, described in-place detection signal was a low level, and described in-place detection system judges that described veneer is not on the throne.
This method further comprises:
Judge when described veneer is on the throne that described in-place detection system is to enable signal of power supply output of veneer, control Board Power up;
Judge when described veneer is not on the throne that described in-place detection system is to enable signal of power supply output of veneer, the power down of control veneer.
After described Board Power up or the power down, this method further comprises:
When described veneer was feature board, described feature board exports signal on the throne or signal not on the throne is given control board;
When described veneer was control board, described control board exports signal on the throne or signal not on the throne is given feature board.
The present invention also provides a kind of veneer reliable device on the throne, and this device comprises: veneer and backboard, and described veneer links to each other by a plurality of connectors with backboard; Described connector is provided with at least one in-place detection point;
Described veneer further is included in position detecting system, is used for judging according to the variation of the in-place detection signal of described a plurality of in-place detection points output whether described veneer is on the throne; Also be used for when judging that described veneer is on the throne, controlling described Board Power up; When judging that described veneer is not on the throne, control described veneer power down.
Described a plurality of in-place detection point inserts described in-place detection system by the mode of serial or parallel connection, to described in-place detection system output in-place detection signal.
Described veneer further comprises working power, links to each other with described in-place detection system, is used for after Board Power up or power down, receives the enable signal of described in-place detection system output, and powers or stop power supply to veneer;
Described veneer further comprises CPLD (CPLD), links to each other with described working power, is used for after Board Power up or power down, exports signal on the throne or signal not on the throne to other veneers.
The reliable scheme on the throne of veneer of the present invention is provided with a plurality of in-place detection points on veneer connector, these in-place detection points insert one independently system, be that in-place detection system judges whether veneer on the throne.So, can solve the problem of veneer erroneous judgement on the throne fully based on the in-place detection mode of a plurality of in-place detection points.In addition, when judging that veneer is on the throne, control Board Power up by in-place detection system; When judging that veneer is not on the throne, control the veneer power down by in-place detection system, therefore, veneer is only when in-place detection system judges that it is on the throne, just can power to it by the Control work power supply, so just can guarantee that veneer must be to enter normal operating conditions under the situation that insertion puts in place, has improved the performance of veneer and whole system.
Description of drawings
Fig. 1 is the reliable method flow schematic diagram on the throne of veneer of the present invention;
Fig. 2 is a plurality of in-place detection points veneer in-place detection schematic diagrames that insert in-place detection system in parallel;
Fig. 3 is the veneer in-place detection schematic diagram that a plurality of in-place detection point series connection insert in-place detection system.
Embodiment
The technical solution of the present invention is further elaborated below in conjunction with the drawings and specific embodiments.
The basic thought of the reliable scheme on the throne of veneer of the present invention is: a plurality of in-place detection points are set on veneer connector, these in-place detection points insert one independently system judge whether veneer on the throne; After judging that veneer is on the throne, control Board Power up by described independently system.In the present invention, veneer is divided into feature board and control board, after feature board and control board power on, sends signal on the throne mutually, simultaneously, control board can reflect the situation on the throne of feature board intuitively to the user according to the signal on the throne of a plurality of feature boards.
Figure 1 shows that the reliable method flow schematic diagram on the throne of veneer of the present invention, comprise the steps:
If veneer has a plurality of connectors, at least one in-place detection point then is set, wherein on each connector, for larger-size connector, a plurality of in-place detection points can be set as required, be generally two, and these two in-place detection points preferably be positioned at this connector to end position.This method is equally applicable to have only the veneer of a connector.
Among the present invention, the application of in-place detection system such as MCU (Micro Control Unit) system, CPLD (CPLD, Complex Programmable Logic Device) system etc.This in-place detection system is applied on the veneer, and is separate with the work system of veneer.
When a plurality of in-place detection points are inserted in-place detection system, two kinds of execution modes are arranged: the one, with a plurality of in-place detection points in-place detection system that inserts in parallel; The one, a plurality of in-place detection point series connection are inserted in-place detection system.
For the situation of parallel connection, in-place detection system can receive a plurality of in-place detection signals of a plurality of in-place detection point outputs; For the situation of series connection, in-place detection system can receive an in-place detection signal of a plurality of in-place detection point outputs.
Concrete, judge whether on the throne will the explanation of veneer according to the variation of in-place detection signal by the embodiment of back.
In the present invention, need control powering on of veneer and power down: judge when veneer is on the throne that in-place detection system is to enable signal of power supply output of veneer, control Board Power up by in-place detection system; Judge when veneer is not on the throne that in-place detection system is to enable signal of power supply output of veneer, the power down of control veneer.
In addition, feature board power on or power down after, can give control board to control board output corresponding on-site signal or signal not on the throne, so the user can observe directly the situation on the throne of this feature board by control board; Control board power on or power down after also can inform the situation on the throne of self to all functions plate of its control output corresponding on-site signal or signal not on the throne.
Below by specific embodiment technical scheme of the present invention is described.
Be illustrated in figure 2 as a plurality of in-place detection points veneer in-place detection schematic diagram that inserts in-place detection system (this embodiment is the MCU system) in parallel, wherein, feature board contains two connector: X1, X2, be respectively arranged with an in-place detection point on the opposite end pin A point of connector X1 and the B point, the pin C point of connector X2 is provided with an in-place detection point.Pin A, B, C respectively with after drawing on the resistance, are introduced the MCU system, with the drop-down ground connection of pin difference of pin A, B, C correspondence on backboard.
When inserting feature board, if connector X1, X2 insert backboard and put in place, are that pin A, B and C are when being communicated with, in-place detection point A, B, C can export a low level in-place detection signal respectively and give the MCU system, this moment, the MCU system can judge that this feature board is on the throne, export an enable signal, make working power to this feature board power supply as BOARD_UP to the working power of veneer simultaneously, then this feature board powers on, enters normal operating conditions; After this feature board powers on, by signal on the throne of its CPLD output, give control board (, then simultaneously exporting signal on the throne) to these a plurality of control boards if a plurality of control boards are arranged, as active and standby control board as BOARD_ON.If any one is a high level in the in-place detection signal of in-place detection point A, B, C output, then the MCU system can judge that this feature board is not on the throne: when any one is for high level in the in-place detection signal of in-place detection point A, B output, illustrate that pin A or B disconnect, it is not in place that connector X1 inserts backboard, when the in-place detection signal of position test point C output is high level, illustrate that pin C disconnects, it is not in place that connector X2 inserts backboard, at this moment, the MCU system is shown as low level not to working power output enable signal up to all in-place detection signals.
When extracting feature board, if any one is a high level in the in-place detection signal of in-place detection point A, B, C output, then the MCU system can judge that this feature board is not on the throne, the MCU system is to working power output enable signal, as BOARD_DOWN, the Control work power supply stops to power to feature board, then this feature board power down, at this moment, signal not on the throne of the CPLD of this feature board output, give control board (, then simultaneously exporting signal on the throne) to these a plurality of control boards if a plurality of control boards are arranged, as active and standby control board as BOARD_OFF.
Certainly, also can change operating circuit, represent when making the in-place detection signal be shown as low level that this pin disconnects; Represent when making the in-place detection signal be shown as high level that this pin is communicated with.
Be illustrated in figure 3 as the veneer in-place detection schematic diagram that a plurality of in-place detection point series connection insert in-place detection system (this embodiment is the MCU system), wherein, feature board contains two connector: X1, X2, be respectively arranged with an in-place detection point on the opposite end pin A point of connector X1 and the B point, the pin C point of connector X2 is provided with an in-place detection point.After pin A, B, the C series connection, pin A with drawing on the resistance, is introduced the MCU system, with the drop-down ground connection of pin of pin C correspondence on backboard.
When inserting feature board, if connector X1 and X2 insert backboard and put in place, are that pin A, B and C are when being communicated with, then the in-place detection signal is a low level, this moment, the MCU system can judge that this feature board is on the throne, export an enable signal, make working power to this feature board power supply as BOARD_UP to the working power of veneer simultaneously, then this feature board powers on, enters normal operating conditions; After this feature board powers on, by signal on the throne of its CPLD output, give control board (, then simultaneously exporting signal on the throne) to these a plurality of control boards if a plurality of control boards are arranged, as active and standby control board as BOARD_ON.If any one disconnects among pin A, B and the C, signal then on the throne is a high level, and this moment, the MCU system can judge that this feature board is not on the throne, and to working power output enable signal, feature board can not power on.
When extracting feature board, if any one disconnects among pin A, B and the C, signal then on the throne is a high level, then the MCU system can judge that this feature board is not on the throne, at this moment, the MCU system is to working power output enable signal, as BOARD_DOWN, the Control work power supply stops to power to feature board, then this feature board power down, quit work, this moment this feature board signal not on the throne of CPLD output, give control board (, then simultaneously exporting signal on the throne) as BOARD_OFF to these a plurality of control boards if a plurality of control boards are arranged, as active and standby control board.
Certainly, also can change operating circuit, represent when making the in-place detection signal be shown as low level that this pin disconnects; Represent when making the in-place detection signal be shown as high level that this pin is communicated with.
Above-mentioned two embodiment describe be feature board reliably at method for position, this method is equally applicable to control board.In the application of reality, active and standby control board can be managed a plurality of feature boards simultaneously, feature board power on or power down after, can be to control board output corresponding on-site signal or signal not on the throne, so the user can observe directly the situation on the throne of this feature board by control board; Control board power on or power down after also can inform the situation on the throne of self to all functions plate of its control output corresponding on-site signal or signal not on the throne.
By the above embodiments as can be seen, veneer is only when in-place detection system judges that it is on the throne among the present invention, just can power to it by the Control work power supply, so just can guarantee that veneer must be to enter normal operating conditions under the situation that insertion puts in place, has improved the performance of veneer and whole system.
In order to realize above-mentioned veneer reliably at method for position, the present invention proposes the reliable device on the throne of a kind of veneer, can draw according to the embodiment of Fig. 2 or Fig. 3, this device comprises veneer and backboard, veneer links to each other by a plurality of connectors with backboard; Connector is provided with at least one in-place detection point;
Veneer further is included in position detecting system, is used for judging according to the variation of the in-place detection signal of a plurality of in-place detection points output whether veneer is on the throne; Also be used for when judging that veneer is on the throne the control Board Power up; When judging that veneer is not on the throne, the power down of control veneer.
A plurality of in-place detection points insert in-place detection system by the mode of serial or parallel connection, to in-place detection system output in-place detection signal.
Veneer further comprises working power, links to each other with in-place detection system, is used for after Board Power up or power down, is received in the enable signal of position detecting system output, and powers or stop power supply to veneer.
Can also comprise a CPLD on the veneer, link to each other with working power, be used for after Board Power up or power down, export signal on the throne or signal not on the throne to other veneers: when veneer was feature board, feature board exports signal on the throne or signal not on the throne is given control board; When veneer was control board, control board exports signal on the throne or signal not on the throne is given feature board.
The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention.
Claims (10)
1. the reliable method on the throne of a veneer is characterized in that this method comprises:
At least one in-place detection point is set on each connector of veneer, obtains a plurality of at test point;
In-place detection system judges according to the variation of the in-place detection signal of described a plurality of in-place detection point outputs whether described veneer is on the throne;
Judge that when described veneer was on the throne, described in-place detection system was controlled described Board Power up; Judge when described veneer is not on the throne that described in-place detection system is controlled described veneer power down.
2. according to the reliable method on the throne of the described veneer of claim 1, it is characterized in that described a plurality of in-place detection points are specially to in-place detection system output in-place detection signal:
After described a plurality of in-place detection point parallel connections, a plurality of in-place detection signals of generation are exported to described in-place detection system.
3. according to the reliable method on the throne of the described veneer of claim 1, it is characterized in that, described a plurality of in-place detection point is to in-place detection system output in-place detection signal, be specially: after described a plurality of in-place detection point series connection, an in-place detection signal of generation is exported to described in-place detection system.
4. according to the reliable method on the throne of the described veneer of claim 2, it is characterized in that in-place detection system judges that whether described veneer is on the throne, is specially:
When described a plurality of in-place detection points all were communicated with, described a plurality of in-place detection signals all were low level, and described in-place detection system judges that described veneer is on the throne; When an in-place detection point disconnected, the in-place detection signal of this test point output was a high level, and described in-place detection system judges that described veneer is not on the throne; Perhaps,
When described a plurality of in-place detection points all were communicated with, described a plurality of in-place detection signals all were high level, and described in-place detection system judges that described veneer is on the throne; When an in-place detection point disconnected, the in-place detection signal of this test point output was a low level, and described in-place detection system judges that described veneer is not on the throne.
5. according to the reliable method on the throne of the described veneer of claim 3, it is characterized in that in-place detection system judges that whether described veneer is on the throne, is specially:
When described a plurality of in-place detection points all were communicated with, described in-place detection signal was a low level, and described in-place detection system judges that described veneer is on the throne; When an in-place detection point disconnected, described in-place detection signal was a high level, and described in-place detection system judges that described veneer is not on the throne; Perhaps,
When described a plurality of in-place detection points all were communicated with, described in-place detection signal was a high level, and described in-place detection system judges that described veneer is on the throne; When an in-place detection point disconnected, described in-place detection signal was a low level, and described in-place detection system judges that described one pole is not on the throne.
6. according to right 4 or the reliable method on the throne of 5 described veneers, it is characterized in that this method further comprises:
Judge when described veneer is on the throne that described in-place detection system is to enable signal of power supply output of veneer, control Board Power up;
Judge when described veneer is not on the throne that described in-place detection system is to enable signal of power supply output of veneer, the power down of control veneer.
7. according to the reliable method on the throne of right 6 described veneers, it is characterized in that after described Board Power up or the power down, this method further comprises:
When described veneer was feature board, described feature board exports signal on the throne or signal not on the throne is given control board;
When described veneer was control board, described control board exports signal on the throne or signal not on the throne is given feature board.
8. the reliable device on the throne of a veneer is characterized in that this device comprises: veneer and backboard, and described veneer links to each other by a plurality of connectors with backboard; Described connector is provided with at least one in-place detection point;
Described veneer further is included in position detecting system, is used for judging according to the variation of the in-place detection signal of described a plurality of in-place detection points output whether described veneer is on the throne; Also be used for when judging that described veneer is on the throne, controlling described Board Power up; When judging that described veneer is not on the throne, control described veneer power down.
9. the reliable device on the throne of described according to Claim 8 veneer is characterized in that described a plurality of in-place detection points insert described in-place detection system by the mode of serial or parallel connection, to described in-place detection system output in-place detection signal.
10. the reliable device on the throne of described according to Claim 8 veneer, it is characterized in that, described veneer further comprises working power, link to each other with described in-place detection system, be used for after Board Power up or power down, receive the enable signal of described in-place detection system output, and power or stop power supply to veneer;
Described veneer further comprises CPLD (CPLD), links to each other with described working power, is used for after Board Power up or power down, exports signal on the throne or signal not on the throne to other veneers.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010112515A CN101795421A (en) | 2010-02-05 | 2010-02-05 | Method and device for judging reliable in-place of single plate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010112515A CN101795421A (en) | 2010-02-05 | 2010-02-05 | Method and device for judging reliable in-place of single plate |
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| CN201010112515A Pending CN101795421A (en) | 2010-02-05 | 2010-02-05 | Method and device for judging reliable in-place of single plate |
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| CN105871626A (en) * | 2016-05-26 | 2016-08-17 | 烽火通信科技股份有限公司 | Centralized management method and system of power supply of communication device |
| CN108738269A (en) * | 2017-09-26 | 2018-11-02 | 新华三技术有限公司 | A kind of communication equipment veneer and communication equipment |
| CN108828363A (en) * | 2018-06-29 | 2018-11-16 | 郑州云海信息技术有限公司 | A kind of fault detection system of connector |
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| CN108738269B (en) * | 2017-09-26 | 2020-02-11 | 新华三技术有限公司 | Communication equipment veneer and communication equipment |
| CN110109795A (en) * | 2018-02-01 | 2019-08-09 | 中兴通讯股份有限公司 | Movable component in level detecting apparatus, method and relevant device |
| CN108959010A (en) * | 2018-06-28 | 2018-12-07 | 新华三技术有限公司 | Board and electronic equipment |
| CN108828363A (en) * | 2018-06-29 | 2018-11-16 | 郑州云海信息技术有限公司 | A kind of fault detection system of connector |
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| CN110011130A (en) * | 2019-03-22 | 2019-07-12 | 新华三技术有限公司 | Plug-in card, plug-in card connection component, plug-in card state detection method and device |
| CN111289922B (en) * | 2020-01-22 | 2022-04-22 | 华为技术有限公司 | Cable plugging detection method and related equipment |
| CN111289922A (en) * | 2020-01-22 | 2020-06-16 | 华为技术有限公司 | Cable plugging detection method and related equipment |
| CN113687707A (en) * | 2021-10-26 | 2021-11-23 | 苏州浪潮智能科技有限公司 | Power supply voltage control device of mainboard and server |
| CN113687707B (en) * | 2021-10-26 | 2022-03-04 | 苏州浪潮智能科技有限公司 | Power supply voltage control device of mainboard and server |
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Application publication date: 20100804 |