CN102478861B - Fan control system for memory - Google Patents
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- CN102478861B CN102478861B CN201010572567.8A CN201010572567A CN102478861B CN 102478861 B CN102478861 B CN 102478861B CN 201010572567 A CN201010572567 A CN 201010572567A CN 102478861 B CN102478861 B CN 102478861B
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Abstract
The invention provides a fan control system for a memory. The system comprises multiple fans, at least one control module and at least one hard disk expansion card module, wherein the control module comprises a control panel and a control chip; the control panel is provide with multiple detection pins for detecting whether a fan exists, multiple control pins for outputting a rotation speed control signal and multiple feedback pins for judging whether the fans rotate at an expected rotation speed; and the control chip receives and processes the fan rotation speed data to control multiple fans. The hard disk expansion card module comprises multiple hard disk expansion cards and multiple second temperature sensors, wherein the hard disk expansion cards are coupled to the control module; and the second temperature sensors are used for transferring multiple second temperature values to the control chip. In the system provided by the invention, multiple fans are arranged at the preset positions in the memory; and by detecting whether the fans are correctly installed, outputting the rotation speed control signal of each fan and receiving the current rotation speed data of the fan, the heat of the memory can be effectively dissipated so as to increase the data access speed of the memory.
Description
Technical field
The present invention relates to a kind of memory storage, relate in particular to the fan control system for this memory storage is dispelled the heat.
Background technology
Along with the development of network, as the performance of the server of the network equipment, be constantly improved.And more and more abundanter along with Internet resources, the requirement that is specifically designed to the storer of data storage also improves constantly.In these servers; storer is the equipment that is used as specially network data storage use; conventionally can be equipped on server uses together; because need to be arranged on together with server in frame; outward appearance and the server of storer are quite similar, have cabinet, and the front end of cabinet has a front panel; when certainly cabinet is arranged in frame, before be exposed to frame front end for user's operation.The most important parts of storer are exactly hard disk, the memory capacity of a storer, and how many hard disks of can planting, are the most important technical indicators of storer, in general, the more storer of memory capacity can provide more powerful data access function.
Yet, when the hard disk quantity in storer is enough large, Temperature numerical while working for hard disk must especially be paid attention to, this be because, each hard disk is when carrying out data access operation, its internal electronic element all can heat up, and then form the temperature synergistic effect between many hard disks, this especially comprises the storer of extensive hard disk array for storer, and its heat sinking function is faced very acid test.
In view of this, how providing a kind of fan control system for storer, is those skilled in the art problem urgently to be resolved hurrily.
Summary of the invention
One of object of the present invention is to be, a kind of fan control system for storer is provided, and by the rotating speed of flexible control fan, effectively this storer is dispelled the heat.
According to one aspect of the present invention, a kind of fan control system for storer is provided, this fan control system comprises:
A plurality of fans, dispel the heat to described storer;
At least one control module, comprising:
One control panel, comprising:
A plurality of detection pins, whether each detects pin and is coupled to corresponding fan position, be used for detecting described fan and really exist;
A plurality of control pins, each is controlled pin and is coupled to corresponding fan, is used for exporting the speed controling signal of described fan; And
A plurality of feedback pin, each feedback pin receives the rotary speed data of described fan, thereby judges whether described fan turns round according to expectation rotating speed;
One control chip, is coupled to described control panel, receive and process the fan speed data from described control panel, and by described control panel output speed control signal to control described a plurality of fan; And
A plurality of the first temperature sensors, are arranged at described control panel and are coupled to described control chip, for a plurality of the first Temperature numerical are sent to described control chip; And
At least one hard disk expansion card module, comprising:
A plurality of hard disk expansion boards, described a plurality of hard disk expansion boards are coupled to described control module;
A plurality of the second temperature sensors, are arranged at corresponding hard disk expansion board and are coupled to described control chip, for a plurality of the second Temperature numerical are sent to described control chip.
Preferably, this control chip is exported a speed controling signal according to the fan speed data of described the first Temperature numerical, described the second Temperature numerical and monitoring in real time, and described speed controling signal is exported to control the running of described fan via described a plurality of control pins.
Preferably, this fan control system comprises one first control module and one second control module, and the first control module and described the second control module redundancy each other.
Preferably, this fan control system comprises one first hard disk expansion card module and one second hard disk expansion card module, and the first hard disk expansion card module and the second hard disk expansion card module redundancy each other.
Preferably, this control module also comprises an impact damper, this impact damper has a plurality of input pins, a plurality of output connecting pin and enables pin, and described a plurality of input pin is coupled to described a plurality of fan, described a plurality of output connecting pin is coupled to described a plurality of feedback pin of described control panel, and described in enable the universal input output connecting pin that pin is coupled to described control panel.Further, the plurality of fan is divided into some groups, every group of fan has an imported rotors and an outlet rotor, imported rotors and outlet rotor are coupled to a plurality of input pins of impact damper, and according to it, enable pin and select the rotary speed data of described imported rotors or described outlet rotor to be sent to corresponding feedback pin.Preferably, every group of fan is coupled to same control pin, to receive from the pulse-width signal of controlling pin.
Preferably, between a plurality of the first temperature sensors and control chip, pass through I
2c bus transmits data, and passes through I between a plurality of the second temperature sensor and control chip
2c bus transmits data.
Preferably, this fan control system also comprises a switching on and shutting down panel, described switching on and shutting down panel arranges a three-temperature sensor, described three-temperature sensor is coupled to the described control chip of described at least one control module and described the 3rd Temperature numerical is sent to described control chip, and described control chip is exported a switching on and shutting down signal and then unlatching or closes described storer.
According to an embodiment, control panel has an expansion interface, and while being external to a server by described expansion interface, described storer is as the storage unit of described server.
Adopt in the present invention the fan control system for storer, a plurality of fans are arranged to the precalculated position of storer, and the detection pin by control panel detects fan and whether correctly installs, controls pin and export the current rotary speed data that speed controling signal separately of each fan and feedback pin receive fan respectively, can effectively to storer, dispel the heat.In addition, this fan control system also arranges control chip, be used for receiving and processing the fan speed data from control panel, and export the rotation speed of the fan control signal corresponding with fan by this control pin, and then regulate neatly the radiating efficiency of fan, improve the data access speed of storer.
Accompanying drawing explanation
Reader, after having read the specific embodiment of the present invention with reference to accompanying drawing, will become apparent various aspects of the present invention.Wherein,
Fig. 1 illustrates according to one aspect of the present invention, for the structural representation of the fan control system of storer;
Control module in Fig. 2 explanation fan control system is as shown in Figure 1 used for controlling the schematic circuit of fan; And
The circuit connection diagram of two control panels of mutual redundancy in the control module of Fig. 3 explanation fan control system as shown in Figure 1.
Embodiment
With reference to the accompanying drawings, the specific embodiment of the invention is described in further detail.
As previously mentioned, although a considerable amount of hard disk drives are set in existing accumulator system, to powerful data access function is provided, but, these hard disk drives are when normal work, after the heat energy burst size stack of its internal electronic element, often cause the environment temperature of the local space in accumulator system to raise.In addition, although be provided with a plurality of fans in the inside of this storer, can dispel the heat to the comparatively significant region of temperature rise, but still cannot obtain in real time or control the parameters of fan, for example, the current rotating speed of fan, the operating condition of fan, the adjusting of rotation speed of the fan etc.In some cases, possible fan running occurs abnormal, cannot realize normal heat sinking function, and system but cannot detect these abnormal conditions, thereby can bring and have a strong impact on to a plurality of hard disks of relevant position, even also likely burns portions of electronics element.Based on above-mentioned defect, how a plurality of fans are carried out to unified control, be the problem that person skilled need to be faced and solve.
Fig. 1 illustrates according to one aspect of the present invention, for the structural representation of the fan control system of storer.With reference to Fig. 1, fan control system of the present invention comprises a plurality of fan (not shown), control panel 10, control chip 20 and a plurality of hard disk expansion board, for example, and hard disk expansion board 31, hard disk expansion board 32, hard disk expansion board 33.Wherein, control panel 10 has a plurality of the first temperature sensors, and these first temperature sensors of this control panel 10 and control chip 20 electric connections, is used for a plurality of Temperature numerical that temperature sensor gathers to be separately sent to control chip 20.Arbitrary hard disk expansion board in hard disk expansion board 31,32 and 33 also has a plurality of the second temperature sensors, and these second temperature sensors in hard disk expansion board are also electrically connected with control chip 20 respectively, and a plurality of Temperature numerical that temperature sensor gathers separately are also sent to control chip 20.From the function of each ingredient of said fans control system, divide, the combination of control panel 10 and control chip 20 might as well be called to " control module ", the combination of a plurality of hard disk expansion boards is called " hard disk expansion card module ".Those of ordinary skill in the art is to be understood that; the hard disk expansion card module that comprises hard disk expansion board 31,32 and 33 in Fig. 1 is only for giving an example; the set-up mode of other hard disk expansion boards existing or that may occur is from now on as applicable to hard disk expansion card module of the present invention; also should be included in protection scope of the present invention, and be contained in this by reference.
In a preferred embodiment, fan control system of the present invention also comprises a switching on and shutting down panel (not shown), in this switching on and shutting down panel inside, be provided with another temperature sensor (also referred to as " three-temperature sensor "), it is electrically coupled to the control chip 20 of control module, and the temperature value that this another temperature sensor is gathered is sent to control chip 20.In addition, this switching on and shutting down panel is for carrying out startup and shutdown operation to storer, and for example, when control chip 20 is exported starting-up signals to switching on and shutting down panel, switching on and shutting down panel starts start operation and then opens storer; When control chip 20 is exported off signals to switching on and shutting down panel, this switching on and shutting down panel starts power-off operation and then closes storer.
In addition, the present invention, in order to ensure stability and the reliability of said fans control system, adopts redundancy scheme to control module and/or hard disk expansion card module.In one embodiment, fan control system comprises the first control module and the second control module, and they are redundancy each other.In more detail, in the first control module, be provided with the first control panel and the first control chip, and in the second control module, be provided with the second control panel and the second control chip.When the first control panel of the first control module occurs when abnormal, can adopting the second control panel of the second control module and the first control chip to carry out data interaction; When the first control chip of the first control module occurs when abnormal, also can adopting the second control chip of the second control module and the first control panel to carry out data interaction.As the common examples of redundancy scheme, whole the first control module (or second control module) can also be made as to duty, and the second control module (or first control module) is made as to stand-by state.In another embodiment, this fan control system comprises one first hard disk expansion card module and one second hard disk expansion card module, and they are redundancy each other each other.
In another preferred embodiment, between a plurality of temperature sensors in control panel 10 and control chip 20, pass through I
2c bus is carried out data signal.In addition, between a plurality of temperature sensors in arbitrary hard disk expansion board and control chip 20, also by I2C bus, transmit data.Those of ordinary skill in the art is to be understood that; data transfer protocol between temperature sensor and control chip is only for giving an example; other data transfer protocols existing or that may occur are from now on as applicable to the present invention; also should be included in protection scope of the present invention, and be contained in this by reference.
Preferably, this control panel 10 has an expansion interface, and when being external to a server by this expansion interface, storer is as the storage unit of server.For example, this expansion interface is a host bus adapter.Preferably, this control panel 10 has an expansion interface, when being external to a memory device by this expansion interface, and the memory capacity of this memory device of memory expansion.
Control module in Fig. 2 explanation fan control system is as shown in Figure 1 used for controlling the schematic circuit of fan.With reference to Fig. 2, the control panel 10 in control module comprises a plurality of detection pins (with " PIN_FLT (0～the 7) " sign in Fig. 2), a plurality of control pin (with " PWM (0～the 3) " sign in Fig. 2), a plurality of feedback pin (with " TACH (0～the 3) " sign in Fig. 2).Fan control system of the present invention be might as well schematically preset and 8 fans, i.e. FAN0～FAN7 comprised.Wherein, each in a plurality of detection pins detects pin and is electrically coupled to the position of fan separately, for detection of corresponding fan successful installation really whether.For example, when fan exists, by corresponding detection pin, receive a high level; When fan does not exist, by corresponding detection pin, receive a low level.Like this, when the fan of a certain position is not installed or occurs opening circuit, by detecting the signal level of pin, just can find in time.
Each in a plurality of control pins is controlled pin and is coupled to corresponding fan, for exporting the speed controling signal of fan.Preferably, the FAN0～FAN7 in system is divided into four groups, and every group comprises two fans (imported rotors and outlet rotor), and every group of fan be electrically coupled to identical one and control pin, to receive the pulse-width signal from this control pin.That is to say, when a control pin is exported a pulse-width signal, two fans in same group receive this pulse-width signal simultaneously.
Each feedback pin in a plurality of feedback pin receives the rotary speed data of respectively organizing fan, and judges according to received fan speed data whether its fan turns round according to expectation rotating speed.Preferably, control module in fan control system also comprises an impact damper, for example impact damper B1 or impact damper B1 ', this impact damper has a plurality of input pins, a plurality of output connecting pins and one enable pin, particularly, its a plurality of input pins (TACH inlet and TACH outlet) are coupled to corresponding fan, its a plurality of output connecting pins are coupled to a plurality of feedback pin of control panel 10, with and enable the universal input output connecting pin that pin is coupled to control panel 10, when enabling pin while exporting the first level, this impact damper inputs to corresponding feedback pin by the rotary speed data of the imported rotors of a certain group of fan, when enabling pin output second electrical level, this impact damper inputs to this feedback pin by the rotary speed data of the outlet rotor of this group fan.
As mentioned above, fan control system can adopt redundancy scheme to control panel, i.e. control panel in Fig. 2 10 and control panel 10 ', and correspondingly, the impact damper coupling with control panel also adopts redundancy setting, i.e. impact damper B1 and impact damper B1 '.Be not difficult to find out, each in control panel 10 and 10 ' a plurality of detection pins separately detects the position that pin is all electrically connected to identical fans, each in control panel 10 and 10 ' control pin is separately controlled pin and is all electrically connected to identical fan, and a plurality of feedback pin of control panel 10 and 10 ' are joined with the corresponding ports of impact damper B1 and B1 ' respectively.
In conjunction with Fig. 1 and Fig. 2, the control chip 20 being electrically connected with control panel 10 receives and processes the fan speed data from control panel, and by controlling pin, fan corresponding to the new fan speed data after processing exports to.Preferably, control chip 20 can be according to the Temperature numerical from control panel 10, from the Temperature numerical of hard disk expansion board and the fan speed data receiving, comprehensively analyze and process, to export a speed controling signal, and control fan running by the control pin of control panel 10.
The circuit connection diagram of two control panels of mutual redundancy in the control module of Fig. 3 explanation fan control system as shown in Figure 1.As shown in Figure 3, control module 120 comprises the first control panel 122 and the second control panel 124, the first control panels 122 and the second control panel 124 redundancy each other.When system normal operation, one of them control panel is used for controlling a plurality of hard disks in a plurality of hard disk expansion boards, and another control panel is in stand-by state.
In order to realize two redundancy features between control panel, in one embodiment, one universal input and output port of the first control panel 122 (as GPIO_6 pin) is connected to the reset signal input end (RESET_N pin) of the second control panel 124, meanwhile, a universal input and output port of the second control panel 124 (as GPIO_6 pin) is connected to the reset signal input end (RESET_N pin) of the first control panel 122.In addition, the control port that enables of the first control panel 122 can be connected to the first voltage (as 3.3V), and the control port that enables of the second control panel 124 is connected to second voltage (as 0V).
Adopt in the present invention the fan control system for storer, a plurality of fans are arranged to the precalculated position of storer, and the detection pin by control panel detects fan and whether correctly installs, controls pin and export the current rotary speed data that speed controling signal separately of each fan and feedback pin receive fan respectively, can effectively to storer, dispel the heat.In addition, this fan control system also arranges control chip, be used for receiving and processing the fan speed data from control panel, and export the rotation speed of the fan control signal corresponding with fan by this control pin, and then regulate neatly the radiating efficiency of fan, improve the data access speed of storer.
Above, describe the specific embodiment of the present invention with reference to the accompanying drawings.But those skilled in the art can understand, without departing from the spirit and scope of the present invention in the situation that, can also do various changes and replacement to the specific embodiment of the present invention.These changes and replacement all drop in the claims in the present invention book limited range.
Claims (9)
1. for a fan control system for storer, it is characterized in that, described fan control system comprises:
A plurality of fans, dispel the heat to described storer;
At least one control module, comprising:
One control panel, described control panel comprises:
A plurality of detection pins, whether each detects pin and is coupled to corresponding fan position, be used for detecting described fan and really exist;
A plurality of control pins, each is controlled pin and is coupled to corresponding fan, is used for exporting the speed controling signal of described fan; And
A plurality of feedback pin, each feedback pin receives the rotary speed data of described fan, thereby judges whether described fan turns round according to expectation rotating speed;
One control chip, is coupled to described control panel, receive and process the fan speed data from described control panel, and by described control panel output speed control signal to control described a plurality of fan; And
A plurality of the first temperature sensors, are arranged at described control panel and are coupled to described control chip, for a plurality of the first Temperature numerical are sent to described control chip; And
One first hard disk expansion card module and one second hard disk expansion card module, this first hard disk expansion card module and this second hard disk expansion card module be redundancy each other, and wherein this first hard disk expansion card module and this second hard disk expansion card module also comprise:
A plurality of hard disk expansion boards, described a plurality of hard disk expansion boards are coupled to described control module;
A plurality of the second temperature sensors, are arranged at corresponding hard disk expansion board and are coupled to described control chip, for a plurality of the second Temperature numerical are sent to described control chip.
2. fan control system as claimed in claim 1, it is characterized in that, described control chip is exported a speed controling signal according to the fan speed data of described the first Temperature numerical, described the second Temperature numerical and monitoring in real time, and described speed controling signal is exported to control the running of described fan via described a plurality of control pins.
3. fan control system as claimed in claim 1, is characterized in that, described fan control system comprises one first control module and one second control module, and described the first control module and described the second control module be redundancy each other.
4. fan control system as claimed in claim 1, it is characterized in that, described control module also comprises an impact damper, described impact damper has a plurality of input pins, a plurality of output connecting pin and enables pin, and described a plurality of input pin is coupled to described a plurality of fan, described a plurality of output connecting pin is coupled to described a plurality of feedback pin of described control panel, and described in enable the universal input output connecting pin that pin is coupled to described control panel.
5. fan control system as claimed in claim 4, it is characterized in that, described a plurality of fan is divided into some groups, every group of fan has an imported rotors and an outlet rotor, described imported rotors and described outlet rotor are coupled to a plurality of input pins of described impact damper, and according to described in enable pin and select the rotary speed data of described imported rotors or described outlet rotor to be sent to corresponding feedback pin.
6. fan control system as claimed in claim 5, is characterized in that, described every group of fan is coupled to same control pin, to receive the pulse-width signal from described control pin.
7. fan control system as claimed in claim 1, is characterized in that, between described a plurality of the first temperature sensors and described control chip, passes through I
2c bus transmits data, and passes through I between described a plurality of the second temperature sensor and described control chip
2c bus transmits data.
8. fan control system as claimed in claim 1, it is characterized in that, described fan control system also comprises a switching on and shutting down panel, described switching on and shutting down panel arranges a three-temperature sensor, described three-temperature sensor is coupled to the described control chip of described at least one control module and described the 3rd Temperature numerical is sent to described control chip, and described control chip is exported a switching on and shutting down signal and then unlatching or closes described storer.
9. fan control system as claimed in claim 1, is characterized in that, described control panel has an expansion interface, and while being external to a server by described expansion interface, described storer is as the storage unit of described server.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010572567.8A CN102478861B (en) | 2010-11-29 | 2010-11-29 | Fan control system for memory |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010572567.8A CN102478861B (en) | 2010-11-29 | 2010-11-29 | Fan control system for memory |
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| CN102478861A CN102478861A (en) | 2012-05-30 |
| CN102478861B true CN102478861B (en) | 2014-03-26 |
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| CN105938387A (en) * | 2016-04-16 | 2016-09-14 | 合肥博雷电气有限公司 | Ultrahigh frequency superconductive modulator |
| CN109446131A (en) * | 2018-11-08 | 2019-03-08 | 郑州云海信息技术有限公司 | Information transferring method and system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1704865A (en) * | 2004-06-02 | 2005-12-07 | 联想(北京)有限公司 | Server heat dissipation administrative system and method thereof |
| CN1924757A (en) * | 2005-08-30 | 2007-03-07 | 株式会社东芝 | Information processing apparatus and cooling control method |
| KR20090022140A (en) * | 2007-08-29 | 2009-03-04 | 엘지전자 주식회사 | Apparatus and controling method for detecting and driving of cpu cooler |
| CN201392500Y (en) * | 2009-03-26 | 2010-01-27 | 深圳市宝德计算机系统有限公司 | Speed regulation radiating server |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US7373278B2 (en) * | 2006-01-20 | 2008-05-13 | Emerson Network Power - Embedded Computing, Inc. | Method of latent fault checking a cooling module |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1704865A (en) * | 2004-06-02 | 2005-12-07 | 联想(北京)有限公司 | Server heat dissipation administrative system and method thereof |
| CN1924757A (en) * | 2005-08-30 | 2007-03-07 | 株式会社东芝 | Information processing apparatus and cooling control method |
| KR20090022140A (en) * | 2007-08-29 | 2009-03-04 | 엘지전자 주식회사 | Apparatus and controling method for detecting and driving of cpu cooler |
| CN201392500Y (en) * | 2009-03-26 | 2010-01-27 | 深圳市宝德计算机系统有限公司 | Speed regulation radiating server |
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