CN106527226A - Power supply control device and method for multiple motherboards - Google Patents
Power supply control device and method for multiple motherboards Download PDFInfo
- Publication number
- CN106527226A CN106527226A CN201610999543.8A CN201610999543A CN106527226A CN 106527226 A CN106527226 A CN 106527226A CN 201610999543 A CN201610999543 A CN 201610999543A CN 106527226 A CN106527226 A CN 106527226A
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- China
- Prior art keywords
- power
- signal
- control module
- power supply
- mainboards
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Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
Abstract
The invention discloses a power supply control device and method for multiple motherboards. The device comprises at least two motherboards, a control module and a power supply module. Each of the motherboards sends a startup/shutdown execution signal to the control module according to an external startup/shutdown signal. The control module controls the power supply module to supply power to each motherboard according to the startup sequence of each motherboard. According to the device and the method, the synchronous control of the power supply and power cut of two motherboards by a single power supply is effectively realized, the abnormal startup or shutdown of the motherboards due to the no synchronization of a power-on sequence and a power-off sequence is avoided, compared with the control of two motherboards by double power supplies, the cost is lower, the system resource occupation is smaller, and the volume and weight of a case are smaller.
Description
Technical field
The present invention relates to many motherboard power supply control fields, more particularly to a kind of power control and side for many mainboards
Method.
Background technology
Direct current 3.3V, 5V, 12V that ATX power supplys can use the Power convert of alternating current 220V for computer-internal, -12V's
Power supply, to computer power supply.It can pass through the change for controlling " PS-ON " signal level, control the opening and closing of power supply.
Now, ATX power supplys and matched ATX mainboards are widely used in all kinds of computer products.
And in many mainboard computers for possessing two or more mainboards, due to each mainboard power or power-down sequential without
Method ensures completely the same, cannot control the power supply of each mainboard well with single supply, often by arranging with mainboard one by one
The power supply matched somebody with somebody powering for it, to ensure the normal work of each mainboard.And use multiple power supplys respectively to main board power supply cost
It is too high, occupying system resources, and increase cabinet volume weight.
The content of the invention
The purpose of the present invention is the defect existed for above-mentioned prior art, there is provided a kind of power supply for many mainboards
Apparatus and method.
Include provided by the present invention for the power control of many mainboards：At least two pieces mainboards, a control module and
One power module, each mainboard send machine open/close to the control module according to outside machine open/close signal and perform signal, institute
State control module according to the start sequencing contro of each mainboard power module to each main board power supply, when electricity on mainboard, institute
After stating the start execution signal that control module receives all mainboards, control module sends electric power starting letter to the power module
Number, power module is controlled to each main board power supply, when the start that the control module does not receive all mainboards performs signal,
Remain turned off state；When mainboard power down, after the control module receives the off signal of all mainboards, control module is to institute
State power module and send power-off signal, control power module stops to each main board power supply, when the control module is not received
To all mainboards shutdown perform signal when, keep start power supply state.
The invention allows for a kind of power control method for many mainboards, the control module is opened according to each mainboard
Described in machine sequencing contro, power module is comprised the following steps to each main board power supply：
When electricity on mainboard, after the control module receives the start execution signal of all mainboards, control module is to the electricity
Source module sends power-on signal, control power module to each main board power supply, when the control module do not receive it is all
When the start of mainboard performs signal, state is remained turned off；
When mainboard power down, after the control module receives the off signal of all mainboards, control module is to the power supply mould
Block sends power-off signal, and control power module stops to each main board power supply, when the control module does not receive all masters
When the shutdown of plate performs signal, start power supply state is kept.
The outside machine open/close signal is pulse signal, the machine open/close execution signal, power-on signal and power supply
Shutdown signal is level signal, and the control module performs the level change of signal and sentences carrying out logic according to the machine open/close
It is disconnected.
In one embodiment, the mainboard is ATX mainboards, and the power supply is ATX power supplys, and the control module is
AT89S52 chips.
Compared with prior art, the invention has the beneficial effects as follows：By rational management switch machine signal, effectively realize single
Power supply two panels ATX mainboard, the power supply and power-off of two pieces of mainboards of control of synchronization, it is to avoid because of electrifying timing sequence and power-off sequential not
Synchronously cause mainboard start or exception of shutting down, accomplish that single supply realizes soft-off and triggering start etc. while two pieces of mainboards, and
Dual power supply control two panels mainboard is compared, cost is lower, and system resource takes less, and cabinet volume weight is little.
Description of the drawings
Functional block diagrams of the Fig. 1 for apparatus of the present invention；
The step of Fig. 2 is the inventive method flow chart；
Signal control flow charts of the Fig. 3 for the inventive method.
Specific embodiment
With reference to the accompanying drawings and examples invention is described in detail.
As shown in figure 1, the power control for many mainboards proposed by the present invention includes：Including at least two pieces mainboards,
Control module and power module.Each mainboard sends machine open/close to the control module according to outside machine open/close signal and performs letter
Number, control module according to the start sequencing contro of each mainboard power module to each main board power supply.
In one embodiment, mainboard adopts ATX mainboards, totally two pieces, respectively ATX mainboards 1 and ATX mainboards 2, power module
For ATX power supplys, control module is AT89S52 chips.
Switching signal delivery module is provided with ATX mainboards 1 and ATX mainboards 2, is received simultaneously by PS_ON1 and PS_ON2 ports
Send, PS_ON1, PS_ON2 port level of control module real-time monitoring ATX mainboard 1 and ATX mainboards 2, when ATX mainboards 1 and
When ATX mainboards 2 receive outside starting-up signal, PS_ON1, PS_ON2 port be low level, as start perform signal send to
Control module, when ATX mainboards 1 and ATX mainboards 2 receive outside off signal, PS_ON1, PS_ON2 port is high level,
Signal is performed as shutdown to send to control module.Wherein, outside machine open/close signal be pulse signal, machine open/close perform signal
For level signal, as PS_ON1, PS_ON2 port level.
The start logic of ATX power supplys is as shown in table 1：
Table 1
The shutdown logic of ATX power supplys is as shown in table 2：
Table 2
According to the start logical table 1 and shutdown logical table 2 of ATX power supplys：
Under ATX power down states, when control module, to monitor that PS_ON1 the and PS_ON2 port levels of two pieces of mainboards are low
During level, represent that two pieces of mainboards have been received by starting-up signal, now, control module produces a power-on signal, here
Power-on signal be level signal, the i.e. level of control module PS_ON port, sent out with the low level form in PS_ON ports
Give ATX power supplys, ATX power initiations, while to two pieces of main board power supplies；
Under ATX power opening states, when control module monitors that PS_ON1 the and PS_ON2 port levels of two pieces of mainboards are height
During level, represent that two pieces of mainboards have been received by off signal, power-off signal here is level signal, now, control
Module produces the level of the PS_ON ports of a power-off signal, i.e. control module, in the form of the high level of PS_ON ports
It is sent to ATX power supplys, ATX power-offs, two pieces of mainboards are by synchronous power down.
Fig. 2 is the flow chart of the single supply control method for many mainboards proposed by the present invention, specifically includes following steps：
Step S21, monitors the switching on and shutting down receiver port of all mainboards；
Step S22, under power down state, when monitoring that all mainboards receive starting-up signal, power-on is to all
Main board power supply, return to step S21 otherwise maintain the power off state, return to step S21；
Step S23, under power opening state, when monitoring that all mainboards receive off signal, closes power supply, returns step
Rapid S21, otherwise keeps power opening state, return to step S21.
In the present embodiment, mainboard adopts ATX mainboards, totally two pieces, respectively ATX mainboards 1 and ATX mainboards 2, and power module is
ATX power supplys, and using the receiver port of two pieces of mainboards of AT89S52 chip monitorings.
Switching on and shutting down signal is received and is sent by PS_ON1 and PS_ON2 ports in ATX mainboards 1 and ATX mainboards 2,
PS_ON1, PS_ON2 port level of AT89S52 chip real-time monitorings ATX mainboard 1 and ATX mainboards 2, when for high level when, table
Show that mainboard shuts down, when for low level when, represent mainboard start, while main control chip AT89S52 is by the height of its PS_ON port
Level sends shutdown or boot signal to ATX power supplys.
Concrete signal control flow is as shown in figure 3, comprise the following steps：
Step S31, by PS_ON1, PS_ON2, PS_ON port initialization of ATX mainboards 1 and ATX mainboards 2 and main control chip, will
Counter clear；
Step S32, monitors PS_ON1 and PS_ON2；
Step S33, judges whether PS_ON1 changes, and next step is carried out if changing；If unchanged, S35 is gone to step；
Step S34, judges whether PS_ON1 is low level, when PS_ON1 is low level, enumerator cumulative 1；When PS_ON1 is
During high level, enumerator subtracts 1；
Step S35, judges whether PS_ON2 changes, and next step is carried out if changing；The return to step if unchanged
S32；
Step S36, judges whether PS_ON2 is low level, when PS_ON2 is low level, enumerator cumulative 1；When PS_ON2 is
During high level, enumerator subtracts 1；
Step S37, judges whether the value of enumerator is 2, if so, then controls PS_ON for low level, return to step S31；Otherwise enter
Row next step；
Step S38, judges whether the value of enumerator is 0, if so, then controls PS_ON for high level, return to step S31；Otherwise return
Return step S32.
In the present embodiment, starting-up signal is sent by computer man-machine interface, when user presses power on button, will be to all masters
Plate sends starting-up signal, and when mainboard receives the signal, PS_ON ports will be changed into low level, when the PS_ON ends of all mainboards
When mouth is changed into low level, i.e., when all mainboards receive starting-up signal preparation start, the PS_ON ports of power supply will be changed into low electricity
It is flat, start to main board power supply；And when mainboard is just in working power power supply state, when mainboard receives the shutdown of computer program
Instruction, PS_ON ports will be changed into high level, and when the PS_ON ports of all mainboards are changed into high level, all mainboards are accurate
Get ready and start shutdown, now the PS_ON ports of power supply will be changed into high level, stop power supply.
The present invention effectively realizes single supply control two panels ATX mainboard, synchronous control by rational management switch machine signal
The power supply and power-off of two pieces of mainboards of system, it is to avoid because electrifying timing sequence and power-off sequential it is asynchronous cause mainboard start or shut down it is abnormal,
Accomplish that single supply realizes soft-off and triggering start etc. while two pieces of mainboards, and compare dual power supply control two panels mainboard, cost
Lower, system resource takes less, and volume weight is little.
Above-described embodiment is merely to illustrate the specific embodiment of the present invention.It should be pointed out that general for this area
For logical technical staff, without departing from the inventive concept of the premise, some deformations and change can also be made, these deformation and
Change should all belong to protection scope of the present invention.
Claims (6)
1. a kind of power control for many mainboards, including at least two pieces mainboards, a control module and a power supply mould
Block, it is characterised in that each mainboard sends machine open/close to the control module according to outside machine open/close signal and performs signal, institute
State control module according to the start sequencing contro of each mainboard power module to each main board power supply, when electricity on mainboard, institute
After stating the start execution signal that control module receives all mainboards, control module sends electric power starting letter to the power module
Number, power module is controlled to each main board power supply, when the start that the control module does not receive all mainboards performs signal,
Remain turned off state；When mainboard power down, after the control module receives the off signal of all mainboards, control module is to institute
State power module and send power-off signal, control power module stops to each main board power supply, when the control module is not received
To all mainboards shutdown perform signal when, keep start power supply state.
2. power control as claimed in claim 1, it is characterised in that the outside machine open/close signal is pulse signal,
It is level signal that the machine open/close performs signal, power-on signal and power-off signal, and the control module is according to described
Machine open/close performs the level of signal to be changed to carry out logical judgment.
3. power control as claimed in claim 1, it is characterised in that the power module adopts ATX power supplys, the control
Molding block adopts AT89S52 chips.
4. a kind of power control method for many mainboards, it is characterised in that the control module is according to during the start of each mainboard
Sequence controls the power module to each main board power supply, comprises the following steps：
When electricity on mainboard, after the control module receives the start execution signal of all mainboards, control module is to the electricity
Source module sends power-on signal, control power module to each main board power supply, when the control module do not receive it is all
When the start of mainboard performs signal, state is remained turned off；
When mainboard power down, after the control module receives the off signal of all mainboards, control module is to the power supply mould
Block sends power-off signal, and control power module stops to each main board power supply, when the control module does not receive all masters
When the shutdown of plate performs signal, start power supply state is kept.
5. power control method as claimed in claim 4, it is characterised in that the machine open/close signal is pulse signal, described
Machine open/close performs signal for level signal, and the control module performs the level of signal and changes to carry out according to the machine open/close
Logical judgment.
6. power control method as claimed in claim 4, it is characterised in that the mainboard is ATX mainboards, the power supply is
ATX power supplys.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610999543.8A CN106527226A (en) | 2016-11-14 | 2016-11-14 | Power supply control device and method for multiple motherboards |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610999543.8A CN106527226A (en) | 2016-11-14 | 2016-11-14 | Power supply control device and method for multiple motherboards |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106527226A true CN106527226A (en) | 2017-03-22 |
Family
ID=58351544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610999543.8A Pending CN106527226A (en) | 2016-11-14 | 2016-11-14 | Power supply control device and method for multiple motherboards |
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| Country | Link |
|---|---|
| CN (1) | CN106527226A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109215605A (en) * | 2018-11-07 | 2019-01-15 | 惠科股份有限公司 | Driving circuit, driving device, display device and its driving method |
| CN111949106A (en) * | 2020-08-06 | 2020-11-17 | 深圳市国鑫恒运信息安全有限公司 | X86 rack-mounted server and off-peak power-on control method thereof |
| US11422576B2 (en) | 2020-08-28 | 2022-08-23 | Hewlett Packard Enterprise Development Lp | Modular power supply unit |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109215605A (en) * | 2018-11-07 | 2019-01-15 | 惠科股份有限公司 | Driving circuit, driving device, display device and its driving method |
| CN109215605B (en) * | 2018-11-07 | 2021-02-19 | 惠科股份有限公司 | Driving circuit, driving device, display device and driving method thereof |
| CN111949106A (en) * | 2020-08-06 | 2020-11-17 | 深圳市国鑫恒运信息安全有限公司 | X86 rack-mounted server and off-peak power-on control method thereof |
| CN111949106B (en) * | 2020-08-06 | 2022-07-01 | 深圳市国鑫恒运信息安全有限公司 | X86 rack-mounted server and off-peak power-on control method thereof |
| US11422576B2 (en) | 2020-08-28 | 2022-08-23 | Hewlett Packard Enterprise Development Lp | Modular power supply unit |
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Application publication date: 20170322 |