CN101996123B - Server of power supply fan controlled by multiple mainboards - Google Patents
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- CN101996123B CN101996123B CN2009101633937A CN200910163393A CN101996123B CN 101996123 B CN101996123 B CN 101996123B CN 2009101633937 A CN2009101633937 A CN 2009101633937A CN 200910163393 A CN200910163393 A CN 200910163393A CN 101996123 B CN101996123 B CN 101996123B
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Abstract
The invention provides a server of a power supply fan controlled by multiple mainboards for the purpose of solving the problem that two mainboards struggle to control the speed of the power supply fan. The server comprises a first mainboard, a second mainboard and a power supply backing plate, wherein the power supply backing plate is provided with a first power supply connector, a second power supply connector and a selection circuit; the first power supply connector is used for connecting the first mainboard; the second power supply connector is used for connecting the second mainboard; the first mainbaord provides a first selection signal when in start-up; the second mainboard provides a second selection signal when in start-up; and the selection circuit receives the first and second selection signals and selectively transmits a first power supply control signal or a second power supply control signal to the power supply backing plate so that the rotate speed of the power supply fan is controlled by the first mainbaord or the second mainboard, thereby avoiding the competition of the two mainboards.
Description
Technical field
The invention relates to a kind of electronic installation, and particularly control the server of power supply fans relevant for a kind of many mainboards.
Background technology
In recent years because industrial and commercial flourishing, social progress, the product that provides relatively also is primarily aimed at facility, certain, economical and practically is purport that therefore, current development product is also more progressive than in the past, and is able to contribution society.
Aspect server, the dealer constantly develops the more economical power supply source of power supply fan easily heat radiation in recent years, makes its operation and effect can reach the running of getting twice the result with half the effort.In system design, require mainboard that the power supply fan on the power supply is controlled speed.Yet when two mainboards were arranged in the system, these two mainboards can fall over each other to be power supply fan control speed, and this warfare has reduced the work efficiency of system.
This shows that above-mentioned existing power supply fan control speed mode obviously still has inconvenience and defective, and demands urgently further improving.For fear of the warfare of two mainboards, association area is there's no one who doesn't or isn't sought solution painstakingly, but does not see always that for a long time suitable mode is developed completion.Therefore, how to be power supply fan control speed efficiently, real one of the current important research and development problem that belongs to, also becoming the current association area utmost point needs improved target.
Summary of the invention
Therefore, a purpose of the present invention is at the server that a kind of many mainboard control power supply fans are provided, and is used to solve two mainboards and falls over each other the problem into power supply fan control speed.
According to one embodiment of the invention, a kind of server of many mainboard control power supply fans comprises first mainboard, second mainboard, power supply unit and power supply backplane.Power supply unit has power supply fan.Power supply backplane has first power connector, second source connector and selects circuit.Structurally, second mainboard is independent of first mainboard.First power connector is used to connect first mainboard; The second source connector is used to connect second mainboard.In use, power supply unit is respectively to first mainboard, second main board power supply.First mainboard provides one first to select signal when it is started shooting; Second mainboard provides one second to select signal when it is started shooting.Select circuit to accept first, second and select signal, and optionally export one first power control signal or a second source controls signal to power supply backplane, with by first mainboard or second mainboard control power supply fan rotating speed.
So, when two mainboards were arranged in the system, system selected a mainboard to remove to control power supply fan from these two mainboards, so as to avoiding the warfare of two mainboards, and then improved the work efficiency of system.
In sum, the technical scheme of the embodiment of the invention compared with prior art has tangible advantage and beneficial effect.Through technique scheme, can reach suitable technical progress property and practicality, and have the extensive value on the industry, it has advantage at least:
When (1) having only a mainboard, any mainboard can be to power supply fan control speed.
When (2) two mainboards being arranged, the mainboard that is in certain position can be controlled speed to power supply fan, can not cause competition.
Below will do detailed description to above-mentioned explanation and ensuing embodiment, and explanation further will be provided the present invention with embodiment.
Description of drawings
For letting above and other objects of the present invention, characteristic, advantage and the embodiment can be more obviously understandable, the explanation of appended accompanying drawing be following:
Fig. 1 is a kind of calcspar of controlling the system of power supply fan according to an embodiment of the present invention;
Fig. 2 A is the circuit diagram of first power connector of Fig. 1;
Fig. 2 B is the circuit diagram of the second source connector of Fig. 1;
Fig. 3 is the calcspar of the selection circuit of Fig. 1;
Fig. 4 is the calcspar of the selected cell of Fig. 3.
[primary clustering symbol description]
100: 224: the first clock signal terminals of system of control power supply fan
226: the first data-signal ends of 110: the first power connectors
112: second source connector 316: power source supply end
120: select 230: the three ports of circuit
130: 240: the four ports of power supply backplane
132: power supply fan is selected signal end at 242: the second
133: power supply unit 244: the second clock signal end
246: the second data-signal ends of 140: the first mainboards
141: connector 316: power source supply end
143: connector 312: first input end
314: the second input ends of 160: the first input/output boards
161: input and output connector 316: output terminal
Input/output board 320 in 162: the second: selected cell
163: input and output connector 322: frequency selector
222: the first selection signal ends
Embodiment
In order to make narration of the present invention more detailed and complete, can be with reference to appended accompanying drawing and the various embodiment of the following stated, identical number is represented same or analogous assembly in the accompanying drawing.On the other hand, well-known assembly and step are not described among the embodiment, to avoid that the present invention is caused unnecessary restriction.
Embodiment of the present invention is a kind of server of many mainboard control power supply fans, and it can be applicable to workstation, or is used in relevant sport technique segment widely.What deserves to be mentioned is that this server can avoid two mainboards to fall over each other to be power supply fan control speed, and then promotes work efficiency.The Fig. 1 to Fig. 4 that below will arrange in pairs or groups specifies the embodiment of this server.
Please with reference to Fig. 1, Fig. 1 is the calcspar according to the server 100 of a kind of many mainboard control power supply fans of an embodiment of the present invention.As shown in the figure, server 100 comprises first mainboard 140, second mainboard 142, power supply unit 133 and power supply backplane 130.Power supply unit 133 has power supply fan 132.Power supply backplane 130 has first power connector 110, second source connector 112 and selects circuit 120.
Structurally, second mainboard 142 is independent of first mainboard 140.First power connector 110 is used to connect first mainboard 140; Second source connector 112 is used to connect second mainboard 142.
In use, power supply unit 133 is respectively to first mainboard 140,142 power supplies of second mainboard.First mainboard 140 provides one first to select signal when it is started shooting; Second mainboard 142 provides one second to select signal when it is started shooting.Select circuit 120 to accept first, second and select signal, and optionally export one first power control signal or a second source controls signal to power supply backplane 130, with by first mainboard 140 or second mainboard, 142 control power supply fans, 133 rotating speeds.
So; When two mainboards 140,142 are arranged in the server 100; Server 100 selects a mainboard 140 to remove to control power supply fan 132 from these two mainboards 140,142, falls over each other to be power supply fan 132 control speed so as to avoiding two mainboards 140,142, and then improves the work efficiency of server 100.
On the other hand, when 140 starts of first mainboard,, control speed by 140 pairs of power supply fans 133 of first mainboard no matter whether second mainboard 142 starts shooting; Do not start shooting and second mainboard is started shooting 142 the time when first mainboard 140, control speed by 142 pairs of power supply fans 132 of second mainboard.
When server 100 work, first mainboard 140 can provide first to select signal, and second mainboard 142 can provide second to select signal, and wherein the logic level of the first selection signal is lower than the logic level of the second selection signal.In other words, first selects the signal low level effective, and second selects the signal high level effective.Selection circuit 120 can be based on the logic level of selecting signal, and selected according to this a certain mainboard is power supply fan 132 control speed.
On real the work, server 100 also can comprise first input/output board 160, second input/output board 162 and input and output connector 161,163.First input/output board 160 has first system identification; Second input/output board 162 has second system identification.
Structurally, first mainboard 140 can be connected to first input/output board 160 via input and output connector 161, and in other words, first input/output board 160 and first mainboard 140 electrically connect; Second mainboard 142 can be connected to second input/output board 162 via input and output connector 163, and in other words, second input/output board 162 and second mainboard 142 electrically connect.
In use, the south bridge 147 of first mainboard 140 is obtained first system identification of first input/output board 160 and is sent first according to this and select signal; The south bridge 148 of second mainboard 142 is obtained second system identification of second input/output board 162 and is sent second according to this and select signal.
In other embodiments; First system identification/second system identification of obtaining first input/output board, 160/ second input/output board 162 also sends first according to this and selects signal/second to select signal also can be accomplished by other equipment with I2C bus control function that is positioned at first mainboard, 140/ second mainboard 142, like baseboard management controller (BMC).
In addition, first mainboard 140 can have connector 141, connector 145; Second mainboard 142 can have connector 143, connector 146.As shown in Figure 1, connector 145 connects first power connector 110; Connector 146 connects second source connector 112.The purpose of connector 141,143 be for behind left and right sides mainboard 140,142 transpositions still can and the power connector of power supply backplane 130 110,112 electrically connect.
Above-mentioned first power control signal comprises one first clock signal and one first data-signal, and the second source control signal comprises a second clock signal and one second data-signal.Please with reference to Fig. 2 A, Fig. 2 A is the circuit diagram of first power connector 110 of Fig. 1.As shown in the figure, first power connector 110 comprises first port 210 and second port 220.Second port 220 comprises that first selects signal end 222, first clock signal terminal 224, the first data-signal end 226 and power source supply end 316.
In use; When the first selection signal end 222 receives that from first mainboard 140 first selects signal; And the second selection signal end can't be when second mainboard be received the second selection signal; When i.e. first mainboard start and second mainboard were not started shooting, first port 210 can be 140 power supplies of first mainboard, first select that signal end 222 will receive first select signal also to send power supply backplane 130 (being illustrated in Fig. 1) to.At this moment; First mainboard 140 is chosen; First clock signal terminal 224 can be obtained clock signal from first mainboard 140; The first data-signal end 226 can be obtained data-signal from first mainboard 140, makes power supply backplane 130 to remove to control power supply fan 132 according to clock signal and the data-signal that first mainboard 140 is provided.In addition, power source supply end 316 can be used for power supply.
Please with reference to Fig. 2 B, Fig. 2 B is the circuit diagram of the second source connector 112 of Fig. 1.As shown in the figure, second source connector 112 comprises the 3rd port 230 and the 4th port 240.The 3rd port 230 comprises that second selects signal end 242, second clock signal end 244, the second data-signal end 246 and power source supply end 316.
In use; When the second selection signal end receives that from second mainboard second selects signal; And the first selection signal end can't be when first mainboard be received the first selection signal; When i.e. second mainboard start and first mainboard were not started shooting, the 3rd port 230 can be 142 power supplies of second mainboard, promptly second select that signal end 222 will receive second select signal to send power supply backplane 130 (being illustrated in Fig. 1) to.At this moment; Second mainboard 142 is chosen; Second clock signal end 244 can be obtained clock signal from second mainboard 142; The second data-signal end 246 can be obtained data-signal from second mainboard 142, makes power supply backplane 130 to remove to control power supply fan 132 according to clock signal and the data-signal that second mainboard 142 is provided.In addition, power source supply end 316 can be used for power supply.
Please with reference to Fig. 3, Fig. 3 is the calcspar of the selection circuit 120 of Fig. 1.As shown in the figure, select circuit 120 to comprise and door (AND gate) 310 and selected cell 320.
Structurally, first of first power connector 110 selects second of signal end 222 and second source connector 112 to select signal end 222 to connect and door 310, is connected selected cell 320 with door 310.
In the use, with the logic level of door 310, export signal according to first, second selection signal.Selected cell 320 is according to the output signal, and selected first mainboard or second mainboard are power supply fan control speed.
In one embodiment; When two select signal end 110,112 to connect two mainboards 140,142 (being illustrated in Fig. 1) respectively; When promptly first mainboard and second mainboard were all started shooting, first mainboard 140 provided first to select signal, and wherein the first selection signal is that the logic low level is effective; Second mainboard 142 provides second to select signal, and wherein the second selection signal is that logic high is effectively accurate.So first power connector 110 is obtained first and selected signal, second source connector 112 can be obtained second and select signal.Can select the logic level of signal according to first, second with door 310, export signal from output terminal 316.Selected cell 320 can be according to the output signal, and selected first mainboard 140 is power supply fan 132 control speed.In the present embodiment, output terminal 316 is that logic high is punctual, selected cell 320 selected second mainboards 142, and by second mainboard, 142 control power supply fans; Output terminal 316 is that the logic low level is punctual, selected cell 320 selected first mainboards 140, and by first mainboard, 140 control power supply fans 132.
On real the work, above-mentioned first selects signal end 222 and second to select signal end 242 default conditions to can be high logic level, and each mode of operation shown in the following truth table can be depending on the I2C bus.
< truth table >
| State | Second mainboard | First mainboard | Second input end | First input end | Output terminal | Selected cell |
| A | × | × | × | × | × | × |
| B | √ | × | 1 | 1 | 1 | Second mainboard |
| C | × | √ | 1 | 0 | 0 | First mainboard |
| D | √ | √ | 1 | 0 | 0 | First mainboard |
In state A, when not only first power connector does not connect first mainboard (*) but also second source connector and do not connect second mainboard when (*), so the selected cell selected mainboard of having no way of removes to control power supply fan.
In state B, when first power connector connects first mainboard (√) but second source connector when not connecting second mainboard when (*), first input end is that the logic high accurate (1) and second input end are also accurate for logic high.Therefore, selected cell is selected second mainboard, and by second mainboard control power supply fan.
In state C, when the second source connector connects second mainboard (√) but first power connector when not connecting first mainboard (*), first input end is that the logic low level (0) and second input end are also accurate for logic high.Therefore, selected cell is selected first mainboard, and by first mainboard control power supply fan.
In state D, when (√), first input end is that the low level (0) and second input end are also accurate for logic high when first power connector connects first mainboard (√) and second source connector and do not connect second mainboard.Therefore, selected cell is selected first mainboard, and by first mainboard control power supply fan.
Please with reference to Fig. 4, Fig. 4 is the calcspar of the selected cell 320 of Fig. 3.As shown in the figure, selected cell 320 comprises frequency selector 322, data selector 324 and power supply fan control speed module 326.
Structurally, frequency selector 322 connect first power connector 110 first clock signal terminal 224, second source connector 112 second clock signal end 244 and with the output terminal 316 of door; Data selector 324 connect first power connector 110 the first data-signal end 226, second source connector 112 the second data-signal end 246 and with the output terminal 316 of door.Power supply fan control speed module 326 connects frequency selector 322, data selector 324 and power supply fan 132.
In the use; Frequency selector 322 is according to the output signal; See through first power connector, 110/ second source connector 112 and obtain first clock signal/second clock signal, and optionally export first clock signal or second clock signal from first mainboard, 140/ second mainboard 142.Data selector 324 sees through first power connector, 110/ second source connector 112 according to the output signal and obtains first data-signal/second data-signal from first mainboard, 140/ second mainboard 142, and optionally exports first data-signal or second data-signal.Power supply fan control speed module 326 is controlled the rotating speed of power supply fan 132 based on first or second clock signal and first or second data-signal.
Though the present invention discloses as above with embodiment; Right its is not in order to limiting the present invention, anyly is familiar with this technological personnel, do not breaking away from the spirit and scope of the present invention; When can doing various changes and retouching, so protection scope of the present invention is as the criterion when looking the scope that claims define.
Claims (6)
1. the server of the control of mainboard more than kind power supply fan is characterized in that, comprises at least:
One first mainboard when it is started shooting, provides one first to select signal;
One second mainboard is independent of this first mainboard, when it is started shooting, provides one second to select signal;
One power supply unit has a power supply fan, and this power supply unit is respectively to this first mainboard, second main board power supply;
One power supply backplane has:
One first power connector is used to connect this first mainboard;
One second source connector is used to connect this second mainboard; And
One selects circuit, accept this first, second select signal, and optionally export one first power control signal or a second source controls signal to this power supply backplane, with by this first mainboard or this power supply fan rotating speed of this second mainboard control,
Wherein this selection circuit comprises: one with door, in order to select the logic level of signal according to this first, second, export signal; And at least one selected cell, in order to export signal according to this, selected this first mainboard or this second mainboard are this power supply fan control speed.
2. the server of many mainboard control power supply fans according to claim 1 is characterized in that this first, second mainboard has south bridge respectively, and this server also comprises:
One first input/output board has one first system identification, and electrically connects with this first mainboard, and wherein the south bridge of this first mainboard is obtained this first system identification and sent this first selection signal according to this; And
One second input/output board has one second system identification, and electrically connects with this second mainboard, and wherein the south bridge of this second mainboard is obtained this second system identification and sent this second selection signal according to this.
3. the server of many mainboard control power supply fans according to claim 2 is characterized in that, this first selection signal low level is effective, and this second selection signal high level is effective.
4. the server of many mainboard control power supply fans according to claim 1; It is characterized in that; This first power control signal comprises one first clock signal and one first data-signal, and this second source control signal comprises a second clock signal and one second data-signal.
5. the server of many mainboard control power supply fans according to claim 4 is characterized in that this selected cell comprises:
One frequency selector; In order to export signal according to this; See through this first power connector/this second source connector and obtain this first clock signal/this second clock signal, and optionally export this first clock signal or this second clock signal from this first mainboard/second mainboard;
One data selector; In order to export signal according to this; See through this first power connector/second source connector and obtain this first data-signal/this second data-signal, and optionally export this first data-signal or this second data-signal from this first mainboard/this second mainboard; And
One power supply fan control speed module, in order to based on this first or second clock signal and this first or second data-signal, control the rotating speed of this power supply fan.
6. the server of many mainboard control power supply fans according to claim 1 is characterized in that, when this first mainboard start, no matter whether this second mainboard starts shooting, by this first mainboard this power supply fan is controlled speed; When this first mainboard is not started shooting and during the start of this second mainboard, by this second mainboard this power supply fan controlled speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101633937A CN101996123B (en) | 2009-08-17 | 2009-08-17 | Server of power supply fan controlled by multiple mainboards |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101633937A CN101996123B (en) | 2009-08-17 | 2009-08-17 | Server of power supply fan controlled by multiple mainboards |
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| Publication Number | Publication Date |
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| CN101996123A CN101996123A (en) | 2011-03-30 |
| CN101996123B true CN101996123B (en) | 2012-10-31 |
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| CN2009101633937A Expired - Fee Related CN101996123B (en) | 2009-08-17 | 2009-08-17 | Server of power supply fan controlled by multiple mainboards |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105388981A (en) * | 2015-11-27 | 2016-03-09 | 浪潮电子信息产业股份有限公司 | Server power supply fan control method and fan controller |
| CN109213268A (en) * | 2017-07-04 | 2019-01-15 | 佛山市顺德区顺达电脑厂有限公司 | Server cabinet system and its signal transmission frequency method of adjustment |
| CN108334180A (en) * | 2018-03-30 | 2018-07-27 | 无锡睿勤科技有限公司 | A kind of control method for fan and server of server |
| CN109058148B (en) * | 2018-09-27 | 2021-02-26 | 苏州浪潮智能科技有限公司 | Circuit and method for switching fan control through single-node and double-node configuration |
| CN109989935B (en) * | 2019-04-11 | 2021-06-25 | 苏州浪潮智能科技有限公司 | Fan control method, device and equipment based on double-control storage server |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200972624Y (en) * | 2006-10-30 | 2007-11-07 | 深圳市宝德科技股份有限公司 | Back plate with fan motor speed regulating function |
| CN101419486A (en) * | 2008-11-28 | 2009-04-29 | 成都市华为赛门铁克科技有限公司 | Two-machine server system and system rear panel |
-
2009
- 2009-08-17 CN CN2009101633937A patent/CN101996123B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200972624Y (en) * | 2006-10-30 | 2007-11-07 | 深圳市宝德科技股份有限公司 | Back plate with fan motor speed regulating function |
| CN101419486A (en) * | 2008-11-28 | 2009-04-29 | 成都市华为赛门铁克科技有限公司 | Two-machine server system and system rear panel |
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| CN101996123A (en) | 2011-03-30 |
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