CN101727080A - Method, device and system for power input control - Google Patents
Method, device and system for power input control Download PDFInfo
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- CN101727080A CN101727080A CN200810174683A CN200810174683A CN101727080A CN 101727080 A CN101727080 A CN 101727080A CN 200810174683 A CN200810174683 A CN 200810174683A CN 200810174683 A CN200810174683 A CN 200810174683A CN 101727080 A CN101727080 A CN 101727080A
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Abstract
The invention relates to the field of electronic circuits and discloses method, device and system for power input control, which are invented for solving the problem that a traditional veneer power supply scheme can not supply power to a veneer according to the actual condition of the veneer. The system provided by the embodiment of the invention comprises a power control unit, a trench and a veneer, wherein the power control unit is used for providing a starting power supply and a working power supply, and controlling the veneer inserted on the trench to receive the working power supply according to a veneer on-site signal sent by the trench and the veneer information sent by the veneer; the trench is used for inserting the veneer, and sending the veneer on-site signal to the power control unit after the power control unit provides the starting power supply; and the veneer is used for sending the veneer information to the power control unit, receiving the working power supply provided by the power control unit according to the control of the power control unit, and working according to the working power supply. The invention is suitable for various electronic circuit systems of communication, industrial control and the like.
Description
Technical field
The present invention relates to electronic circuit field, relate in particular to a kind of methods, devices and systems of power supply input control.
Background technology
Existing communication backplane system design, generally be to send one road power supply respectively to all groove positions by the main power supply plate, if be inserted with veneer on the groove position, on veneer, close the road from the two-way power supply of main power supply plate, the power supply that closes behind the road is directly powered to veneer; If do not peg graft veneer on the groove position as yet, behind veneer insertion groove position, will on veneer, close the road from the two-way power supply of main power supply plate immediately so, the power supply that closes behind the road is directly powered to veneer.
State in realization in the process of veneer power supply, the inventor finds that there are the following problems at least in the prior art: not all veneer that is plugged on the groove position all needs to devote oneself to work immediately, neither all veneers of devoting oneself to work all should be forever online, existing veneer power supply plan can't be the veneer power supply according to the actual conditions of veneer.
Summary of the invention
Embodiments of the invention provide a kind of methods, devices and systems of power supply input control, can provide working power for veneer according to the actual conditions of veneer.
Embodiments of the invention adopt following technical scheme:
A kind of system of power supply input control comprises: power control unit, groove position and veneer, wherein,
Power control unit: be used to provide start power supply and working power, and control the veneer reception working power that is plugged on the groove position according to the veneer signal on the throne of groove position transmission and the single board information of veneer transmission;
The groove position: be used to the veneer of pegging graft, and after power control unit provides the startup power supply, to power control unit transmitting single plate signal on the throne;
Veneer: be used for to power control unit transmitting single plate information, and, receive the working power that power control unit provides, rely on described working power to carry out work according to the control of power control unit.
A kind of method of power supply input control comprises:
Provide the startup power supply to the groove position, the veneer signal on the throne that the receiving slit position sends if be plugged with veneer in the groove position, receives the single board information that veneer sends;
The veneer signal on the throne that sends according to the groove position determines to be plugged with the numbering of the groove position of veneer, and the single board information that sends according to veneer is determined the type and the maximum power dissipation of the veneer of pegging graft on this groove position;
Type and maximum power dissipation control veneer according to veneer receive working power, and this veneer is the veneer of being pegged graft on the groove position of transmitting single plate signal on the throne.
A kind of device of power supply input control comprises:
The log-on message receiver module: be used for providing the startup power supply to the groove position, the veneer signal on the throne that the receiving slit position sends if be plugged with veneer in the groove position, receives the single board information that veneer sends;
The information analysis module: be used for determining to be plugged with according to the veneer signal on the throne that the groove position sends the numbering of the groove position of veneer, the single board information that sends according to veneer is determined the type and the maximum power dissipation of the veneer of pegging graft on this groove position;
Control module: be used for receiving working power according to the type and the maximum power dissipation control veneer of veneer, this veneer is the veneer of being pegged graft on the groove position of transmitting single plate signal on the throne.
The methods, devices and systems of power supply that the embodiment of the invention provides input control can carry out switch control to the working power of veneer, provide working power according to the actual conditions of veneer for veneer.
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 to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only 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.
Fig. 1 is a system embodiment structural drawing of the present invention;
Fig. 2 is the inventive method embodiment one process flow diagram;
Fig. 3 is the inventive method embodiment two process flow diagrams;
Fig. 4 is apparatus of the present invention example structure figure.
Embodiment
The methods, devices and systems of the power supply input control that the embodiment of the invention is provided below in conjunction with accompanying drawing are described in detail.
System embodiment of the present invention comprises as shown in Figure 1: power control unit 1, groove position 2 and veneer 3, wherein,
Power control unit 1: be used to provide start power supply and working power, and control the veneer 3 reception working powers that are plugged on the groove position 2 according to the veneer signal on the throne of groove position 2 transmissions and the single board information of veneer 3 transmissions.
Groove position 2: the veneer 3 that is used to peg graft, and after power control unit 1 provides the startup power supply, to power control unit 1 transmitting single plate signal on the throne.
Veneer 3: be used for to power control unit 1 transmitting single plate information, and, receive the working power that power control unit 1 provides, rely on described working power to carry out work according to the control of power control unit 1.
Described power control unit 1 comprises: power supply 11 and master control borad 12, wherein,
Power supply 11: be used to provide start power supply, working power, and provide the control power supply to master control borad 12.Further, in order to guarantee the power supply stability of power supply, described power supply 11 comprises: primary power and stand-by power source.No matter be to start power supply, working power or control power supply, in fact all comprise primary power and stand-by power source.Described startup power supply is used for supporting for veneer 3 provides to start, start veneer 3 just in order to obtain single board information, start power generally smaller (getting 3.3v in the practical application), can not make veneer 3 operate as normal, what really can make veneer 3 operate as normal is working power, and veneer 3 has only the working power of connection ability operate as normal.
Master control borad 12: be used for according to the veneer signal on the throne of groove position 2 transmissions and the single board information of veneer 3 transmissions, the control veneer receives working power.When the equipment general power after increasing veneer newly on the equipment surpasses the peak power output of power supply,,, make the veneer of pegging graft can operate as normal with this actual power input that guarantees each veneer for the new veneer that inserts does not provide working power.Wherein, veneer signal on the throne is used for showing that each the groove position that links to each other with master control borad is plugged with the numbering of the groove position of veneer.Described veneer signal on the throne is from the last pull-up resistor that connects power supply in groove position, when not having veneer to insert, on the resistance that draws to make veneer signal on the throne be high level; When having veneer to insert, on the resistance eutral grounding that draws, making veneer signal on the throne is low level.Be connected by the I2C bus between master control borad and the groove position, in the practical application,, at most master control borad be connected with 8 groove positions so limit an I2C bus because the load capacity of I2C bus is limited.The single board information that described veneer returns mainly comprises board type and veneer manufacturing information, and master control borad is determined the maximum power dissipation of veneer and the order of each Board Power up according to above-mentioned information.The control of 12 pairs of veneer working powers of master control borad can be carried out at far-end.
Further, described master control borad 12 comprises: logical device 121, storer 122 and central processing unit 123, wherein,
Logical device 121: the numbering that is used to discern the groove position of transmitting single plate signal on the throne.
Storer 122: be used to preserve single board information, described single board information comprises the type and the maximum power dissipation of veneer.What write down in store two information on the described storer, information is board type, and the maximum power dissipation value of this veneer, and the maximum available power consumption number of working power (refer to derate after power consumption).What another information write down is the board type that need control electric sequence, and the sequencing that these board types preferentially power on is as required arranged.These two information records can increase by the user interface of outside or delete, after the master control board starting success of equipment, need at first the corresponding relation of the board type of all veneers and maximum power dissipation, power supply sequence of single board to be written in these two information, in order to using by the external command interface.
Central processing unit 123: be used for receiving working power according to single board information control veneer, this veneer is the veneer of being pegged graft on the groove position of transmitting single plate signal on the throne.When the equipment general power after increasing veneer newly on the equipment surpasses the peak power output of power panel,,, make the veneer can operate as normal with this actual power input that guarantees each veneer not for this new insertion veneer provides working power.In addition, described central processing unit can also be used for: control a described above veneer according to the single board information of an above veneer transmission and receive working power in order.
Further, in order to guarantee the functional reliability of master control borad, described master control borad is divided into main master control borad and is equipped with master control borad, main master control borad and fully master control borad be connected with veneer by selector switch.Because main master control borad and be equipped with master control borad and can not control veneer simultaneously, only is connected with veneer so make main master control borad and be equipped with master control borad with one the tunnel by selector switch, be equipped with the master control borad disconnection, master's master control borad disconnection when master control borad is controlled fully during main master control borad control.
In addition, described veneer 3 comprises: start-up circuit 31, operating switch 32 and operating circuit 33, wherein,
Start-up circuit 31: be used for after receiving the startup power supply, to power control unit 1 transmitting single plate information.
Operating switch 32: be used for control, provide or cut off working power to operating circuit 33 according to power control unit 1.
Operating circuit 33: be used to rely on working power to carry out work.
Present embodiment can carry out switch control to the working power of veneer, provides working power according to the actual conditions of veneer for veneer, and there is following advantage in present embodiment at prior art:
When 1, the equipment general power after increasing veneer newly surpassed the peak power output of power panel, system can not give newly-increased veneer power supply, to guarantee the normal operation of existing device.If do not surpass the peak power output of power panel, then open the operating switch 32 of this groove position, be this groove position veneer power supply, guaranteed the life-span and the reliability of each veneer.
2, the operation of closing and opening by long-range working power to specific veneer realizes veneer operating circuit power down hard reset, is convenient to thoroughly recover some serious fault, avoids on-the-spot plug veneer.
3, for not activating the service in a short time on the equipment of being inserted in, only be as the veneer of reserving, close the operating switch 32 of this veneer, veneer is in non-power-up state, has reduced energy consumption.When needs activate the service on this veneer, then, open operating switch 32 by Long-distance Control, be this groove position veneer power supply.
4, during some high-power Board Power up, can produce very strong impact, cause other veneer abnormal occurrence to occur.By operating switch 32, the electric sequence of each veneer of may command, the impact of avoiding big electric current Board Power up that the veneer that normally powers on is brought, thus avoid veneer to cause owing to being hit unusually.
5, before Control work switch 32 is opened, can guarantee that the device that has powered on is the least possible and circuit is simple as far as possible, power consumption is low as far as possible.
The inventive method embodiment one comprises as shown in Figure 2:
S201, provide the startup power supply to the groove position, the veneer signal on the throne that the receiving slit position sends if be plugged with veneer in the groove position, receives the single board information that veneer sends.
S202, the veneer signal on the throne that sends according to the groove position determine to be plugged with the numbering of the groove position of veneer, and the single board information that sends according to veneer is determined the type and the maximum power dissipation of the veneer of pegging graft on this groove position.
S203, receive working power according to the type of veneer and maximum power dissipation control veneer, this veneer is the veneer of being pegged graft on the groove position of transmitting single plate signal on the throne.
There is following advantage in present embodiment at prior art:
Present embodiment can carry out switch control to the working power of veneer, provides working power according to the actual conditions of veneer for veneer.
The inventive method embodiment two comprises as shown in Figure 3:
S301, provide the startup power supply to the groove position, the veneer signal on the throne that the receiving slit position sends if be plugged with veneer in the groove position, receives the single board information that veneer sends.
S302, the veneer signal on the throne that sends according to the groove position determine to be plugged with the numbering of the groove position of veneer, and the single board information that sends according to veneer is determined the type and the maximum power dissipation of the veneer of pegging graft on this groove position.
S303, provide working power for veneer according to sequencing.
If the new veneer that inserts on the S304 groove position receives the single board information of institute's grafting veneer on veneer signal on the throne that this groove position sends and the described groove position.
S305, if current will the activating the service of described new insertion veneer, calculate under the prerequisite that satisfies the existing veneer maximum power dissipation of having pegged graft, whether working power can satisfy the power consumption of this new insertion veneer, if just provide working power for this new insertion veneer; Just do not provide working power if not for this new insertion veneer.
S306, if described new insertion veneer is current does not activate the service, do not provide working power for this new insertion veneer.
If the veneer of S307 cut-in operation power supply breaks down, cut off the working power that inserts this veneer, be this veneer cut-in operation power supply again again after the time-delay.
Among the step S305 to S307, can carry out at far-end the control of veneer working power.
Present embodiment can carry out switch control to the working power of veneer, provides working power according to the actual conditions of veneer for veneer, and there is following advantage in present embodiment at prior art:
When 1, the equipment general power after increasing veneer newly surpassed the peak power output of power panel, system can not give newly-increased veneer power supply, to guarantee the normal operation of existing device.If do not surpass the peak power output of power panel, then open the power switch of this groove position, be this groove position veneer power supply, guaranteed the life-span and the reliability of each veneer.
2, the operation of closing and opening by long-range working power to specific veneer realizes veneer operating circuit power down hard reset, is convenient to thoroughly recover some serious fault, avoids on-the-spot plug veneer.
3, for not activating the service in a short time on the equipment of being inserted in, only be as the veneer of reserving, close the operating switch of this veneer, veneer is in non-power-up state, has reduced energy consumption.When needs activate the service on this veneer, then, open operating switch by Long-distance Control, be this groove position veneer power supply.
4, during some high-power Board Power up, can produce very strong impact, cause other veneer abnormal occurrence to occur.By operating switch, the electric sequence of each veneer of may command, the impact of avoiding big electric current Board Power up that the veneer that normally powers on is brought, thus avoid veneer to cause owing to being hit unusually.
5, before the Control work switch opens, can guarantee that the device that has powered on is the least possible and circuit is simple as far as possible, power consumption is low as far as possible.
Apparatus of the present invention embodiment comprises as shown in Figure 4:
Log-on message receiver module 41: be used for providing the startup power supply to the groove position, the veneer signal on the throne that the receiving slit position sends if be plugged with veneer in the groove position, receives the single board information that veneer sends;
Information analysis module 42: be used for determining to be plugged with according to the veneer signal on the throne that the groove position sends the numbering of the groove position of veneer, the single board information that sends according to veneer is determined the type and the maximum power dissipation of the veneer of pegging graft on this groove position;
Control module 43: be used for receiving working power according to the type and the maximum power dissipation control veneer of veneer, this veneer is the veneer of being pegged graft on the groove position of transmitting single plate signal on the throne.
Further, described control module 43 comprises:
Working power provides submodule 431 in proper order: be used for providing working power according to sequencing for veneer.
Later stage message pick-up submodule 432: if the new veneer that inserts on the groove position is used to receive the single board information of institute's grafting veneer on veneer signal on the throne that this groove position sends and the described groove position;
Power consumption analysis submodule 433: be used for if current will the activating the service of described new insertion veneer, calculating is under the prerequisite that satisfies the existing veneer maximum power dissipation of having pegged graft, whether working power can satisfy the power consumption of this new insertion veneer, if just provide working power for this new insertion veneer; Just do not provide working power if not for this new insertion veneer.Control to the veneer working power can be carried out at far-end.
Resetting sub module 434: if the veneer of cut-in operation power supply breaks down, being used to cut off the working power that inserts this veneer, is this veneer cut-in operation power supply again after the time-delay.
Working power provides submodule 431 in proper order: be used for providing working power according to sequencing for veneer.
Further, described power consumption analysis submodule 433 also is used for: if described new insertion veneer is current not to activate the service, then do not provide working power for this new insertion veneer.
There is following advantage in present embodiment at prior art:
When 1, the equipment general power after increasing veneer newly surpassed the peak power output of power panel, power consumption analysis submodule 433 can not given newly-increased veneer power supply, to guarantee the normal operation of existing device.If do not surpass the peak power output of power panel, then open the power switch of this groove position, be this groove position veneer power supply, guaranteed the life-span and the reliability of each veneer.
2, the operation of closing and opening by power consumption analysis submodule 433 long-range working powers to specific veneer realizes veneer operating circuit power down hard reset, is convenient to thoroughly recover some serious fault, avoids on-the-spot plug veneer.
3, for not activating the service in a short time on the equipment of being inserted in, only be that power consumption analysis submodule 433 is closed the operating switch of this veneer as the veneer of reserving, veneer is in non-power-up state, has reduced energy consumption.When needs activated the service on this veneer, the power consumption analysis submodule was opened operating switch by Long-distance Control, was this groove position veneer power supply.
4, during some high-power Board Power up, can produce very strong impact, cause other veneer abnormal occurrence to occur.Provide submodule 431 by the working power order, the electric sequence of each veneer of may command, the impact of avoiding big electric current Board Power up that the veneer that normally powers on is brought, thus avoid veneer to cause owing to being hit unusually.
5, the electric sequence of submodule 431 control veneers is provided by the working power order, can guarantees that the device that has powered on is the least possible and circuit is simple as far as possible, power consumption is low as far as possible.
One of ordinary skill in the art will appreciate that all or part of flow process that realizes in the foregoing description method, be to finish by the relevant hardware of computer program control, described program can be stored in the read/write memory medium, this program can comprise the flow process as the embodiment of above-mentioned each side method when carrying out.Wherein, described storage medium can be FLASH, magnetic disc, CD, read-only storage memory body (Read-Only Memory, ROM) or at random store memory body (Random Access Memory, RAM) etc.
The above; only be the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claim.
Claims (15)
1. a power supply input control system is characterized in that, comprising: power control unit, groove position and veneer, wherein,
Power control unit: be used to provide start power supply and working power, and control the veneer reception working power that is plugged on the groove position according to the veneer signal on the throne of groove position transmission and the single board information of veneer transmission;
The groove position: be used to the veneer of pegging graft, and after power control unit provides the startup power supply, to power control unit transmitting single plate signal on the throne;
Veneer: be used for to power control unit transmitting single plate information, and, receive the working power that power control unit provides, rely on described working power to carry out work according to the control of power control unit.
2. the system of power supply input control according to claim 1 is characterized in that described power control unit comprises: power supply and master control borad, wherein,
Power supply: be used to provide start power supply, working power, and provide the control power supply to master control borad;
Master control borad: be used for according to the veneer signal on the throne of groove position transmission and the single board information of veneer transmission, the control veneer receives working power.
3. the system of power supply input control according to claim 2 is characterized in that described master control borad comprises: logical device, storer and central processing unit, wherein,
Logical device: the numbering that is used to discern the groove position of transmitting single plate signal on the throne;
Storer: be used to preserve single board information, described single board information comprises the type and the maximum power dissipation of veneer;
Central processing unit: be used for receiving working power according to single board information control veneer, this veneer is the veneer of being pegged graft on the groove position of transmitting single plate signal on the throne.
4. the system of power supply input control according to claim 1 is characterized in that described veneer comprises: start-up circuit, operating switch and operating circuit, wherein,
Start-up circuit: be used for after receiving the startup power supply, to power control unit transmitting single plate information;
Operating switch: be used for control, provide or cut off working power to operating circuit according to power control unit;
Operating circuit: be used to rely on working power to carry out work.
5. the system of power supply input control according to claim 3 is characterized in that described central processing unit also is used for: control a described above veneer according to the single board information of an above veneer transmission and receive working power in order.
6. the method for a power supply input control is characterized in that, comprising:
Provide the startup power supply to the groove position, the veneer signal on the throne that the receiving slit position sends if be plugged with veneer in the groove position, receives the single board information that veneer sends;
The veneer signal on the throne that sends according to the groove position determines to be plugged with the numbering of the groove position of veneer, and the single board information that sends according to veneer is determined the type and the maximum power dissipation of the veneer of pegging graft on this groove position;
Type and maximum power dissipation control veneer according to veneer receive working power, and this veneer is the veneer of being pegged graft on the groove position of transmitting single plate signal on the throne.
7. the method for power supply input control according to claim 6 is characterized in that, the described step that receives working power according to the type and the maximum power dissipation control veneer of veneer comprises:
Provide working power according to sequencing for veneer.
8. the method for power supply input control according to claim 7 is characterized in that, the described step that receives working power according to the type and the maximum power dissipation control veneer of veneer also comprises:
If the new veneer that inserts on the groove position then receives the single board information of institute's grafting veneer on veneer signal on the throne that this groove position sends and the described groove position;
If current will the activating the service of described new insertion veneer calculated under the prerequisite that satisfies the existing veneer maximum power dissipation of having pegged graft, whether working power can satisfy the power consumption of this new insertion veneer, if just provide working power for this new insertion veneer; Just do not provide working power if not for this new insertion veneer.
9. the method for power supply input control according to claim 8 is characterized in that, the described step that receives working power according to the type and the maximum power dissipation control veneer of veneer also comprises:
If described new insertion veneer is current not to activate the service, do not provide working power for this new insertion veneer.
10. the method for power supply input control according to claim 7 is characterized in that, the described step that receives working power according to the type and the maximum power dissipation control veneer of veneer also comprises:
If the veneer of cut-in operation power supply breaks down, cut off the working power that inserts this veneer, be this veneer cut-in operation power supply again again after the time-delay.
11. the device of a power supply input control is characterized in that, comprising:
The log-on message receiver module: be used for providing the startup power supply to the groove position, the veneer signal on the throne that the receiving slit position sends if be plugged with veneer in the groove position, receives the single board information that veneer sends;
The information analysis module: be used for determining to be plugged with according to the veneer signal on the throne that the groove position sends the numbering of the groove position of veneer, the single board information that sends according to veneer is determined the type and the maximum power dissipation of the veneer of pegging graft on this groove position;
Control module: be used for receiving working power according to the type and the maximum power dissipation control veneer of veneer, this veneer is the veneer of being pegged graft on the groove position of transmitting single plate signal on the throne.
12. the device of power supply input control according to claim 11 is characterized in that described control module comprises:
Working power provides submodule in proper order: be used for providing working power according to sequencing for veneer.
13. the device of power supply input control according to claim 12 is characterized in that described control module also comprises:
Later stage message pick-up submodule: if the new veneer that inserts on the groove position is used to receive the single board information of institute's grafting veneer on veneer signal on the throne that this groove position sends and the described groove position;
Power consumption analysis submodule: be used for if current will the activating the service of described new insertion veneer, calculating is under the prerequisite that satisfies the existing veneer maximum power dissipation of having pegged graft, whether working power can satisfy the power consumption of this new insertion veneer, if just provide working power for this new insertion veneer; Just do not provide working power if not for this new insertion veneer.
14. the device of power supply input control according to claim 13 is characterized in that described power consumption analysis submodule also is used for: if described new insertion veneer is current not to activate the service, do not provide working power for this new insertion veneer.
15. the device of power supply input control according to claim 12 is characterized in that described control module also comprises:
The resetting sub module: if the veneer of cut-in operation power supply breaks down, being used to cut off the working power that inserts this veneer, is this veneer cut-in operation power supply again again after the time-delay.
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| CN2008101746837A CN101727080B (en) | 2008-10-31 | 2008-10-31 | Method, device and system for power input control |
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