CN102478861A - Fan control system for memory - Google Patents
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- CN102478861A CN102478861A CN2010105725678A CN201010572567A CN102478861A CN 102478861 A CN102478861 A CN 102478861A CN 2010105725678 A CN2010105725678 A CN 2010105725678A CN 201010572567 A CN201010572567 A CN 201010572567A CN 102478861 A CN102478861 A CN 102478861A
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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 and be used for fan control system that this memory storage is dispelled the heat.
Background technology
Along with networks development, constantly be improved as the performance of the server of the network equipment.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 network data storage usefulness specially, can be equipped on server usually and use together; Because need be installed on the frame with server; The outward appearance and the server of storer are quite similar, have cabinet, and the front end of cabinet has a front panel; When cabinet was installed on the frame certainly, the front end that the front is exposed to frame supplied user's operation.The most important parts of storer are exactly hard disk, the memory capacity of a storer, and what hard disks of promptly 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 the storer was enough big, the Temperature numerical when 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 in the face of the ten minutes acid test.
In view of this, how a kind of fan control system that is used for storer being provided, is the problem that those skilled in the art need to be resolved hurrily.
Summary of the invention
One of the object of the invention is to be, a kind of fan control system that is used for storer is provided, and effectively this storer is dispelled the heat through the rotating speed of flexible control fan.
According to one aspect of the present invention, a kind of fan control system that is used for storer is provided, this fan control system comprises:
A plurality of fans dispel the heat to said storer;
At least one control module comprises:
One control panel comprises:
A plurality of detection pins, whether each detects pin and is coupled to corresponding fan position, be used for detecting said fan and exist really;
A plurality of control pins, each control pin is coupled to corresponding fan, is used for exporting the speed controling signal of said fan; And
A plurality of feedback pin, each feedback pin receives the rotary speed data of said fan, thereby judges whether said fan turns round according to the expectation rotating speed;
One control chip is coupled to said control panel, receive and handle fan speed data from said control panel, and through said control panel output speed control signal to control said a plurality of fan; And
A plurality of first temperature sensors are arranged at said control panel and are coupled to said control chip, are used for a plurality of first Temperature numerical are sent to said control chip; And
At least one hard disk expansion card module comprises:
A plurality of hard disk expansion boards, said a plurality of hard disk expansion boards are coupled to said control module;
A plurality of second temperature sensors are arranged at corresponding hard disk expansion board and are coupled to said control chip, are used for a plurality of second Temperature numerical are sent to said control chip.
Preferably; This control chip is exported a speed controling signal according to the fan speed data of said first Temperature numerical, said second Temperature numerical and monitoring in real time, and said speed controling signal is exported to control the running of said fan via said a plurality of control pins.
Preferably, this fan control system comprises one first control module and one second control module, and first control module and said second control module are redundant 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 are redundant 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 said a plurality of input pin is coupled to said a plurality of fan, and said a plurality of output connecting pins are coupled to said a plurality of feedback pin of said control panel, and saidly enables the general input and output pin that pin is coupled to said control panel.Further; These a plurality of fans are divided into some groups; Every group of fan has an import rotor and an outlet rotor; Import rotor and outlet rotor are coupled to a plurality of input pins of impact damper, and enable the feedback pin that pin selects the rotary speed data of said import rotor or said outlet rotor is sent to correspondence according to it.Preferably, every group of fan is coupled to same control pin, to receive the pulse-width signal of Self Control pin.
Preferably, pass through I between a plurality of first temperature sensors and control chip
2The C bus transmits data, and passes through I between a plurality of second temperature sensor and control chip
2The C bus transmits data.
Preferably; This fan control system also comprises a switching on and shutting down panel; Said switching on and shutting down panel is provided with a three-temperature sensor; Said three-temperature sensor is coupled to the said control chip of said at least one control module and said the 3rd Temperature numerical is sent to said control chip, and said control chip is exported a switching on and shutting down signal and then unlatching or closed said storer.
According to an embodiment, control panel has an expansion interface, and when being external to a server through said expansion interface, said storer is as the storage unit of said server.
Adopt the fan control system that is used for storer among the present invention; A plurality of fans are arranged at the precalculated position of storer; And the detection pin through control panel detects fan and whether correctly installs, controls pin and export the current rotary speed data that each fan speed controling signal and feedback pin separately receives fan respectively, can dispel the heat to storer effectively.In addition; This fan control system also is provided with control chip; Be used for receiving and handling fan speed data from control panel; And export and the corresponding rotation speed of the fan control signal of fan through this control pin, and then regulate the radiating efficiency of fan neatly, improve the data access speed of storer.
Description of drawings
The reader with reference to advantages after the embodiment of the present invention, will become apparent various aspects of the present invention.Wherein,
Fig. 1 illustrates according to one aspect of the present invention, is used for the structural representation of the fan control system of storer;
Fig. 2 explains that the control module in the fan control system as shown in Figure 1 is used for controlling the schematic circuit of fan; And
Fig. 3 explains that the circuit of interior two the redundant control panels each other of the control module of fan control system as shown in Figure 1 connects synoptic diagram.
Embodiment
With reference to the accompanying drawings, the specific embodiment of the invention is done further to describe in detail.
As previously mentioned; Though a considerable amount of hard disk drives are set in the existing memory system; So that powerful data access function is provided, still, these hard disk drives are when operate as normal; After the heat energy burst size stack of its internal electronic element, often cause the environment temperature of the local space in the accumulator system to raise.In addition; Although be provided with a plurality of fans, can dispel the heat to the comparatively significant zone of temperature rise, but still can't obtain or control the parameters of fan in real time in the inside of this storer; For example, the operating condition of the current rotating speed of fan, fan, the adjusting of rotation speed of the fan etc.Under some situation, possible fan running occurs unusual, can't realize normal heat sinking function, and system but can't detect these abnormal conditions, has a strong impact on thereby can bring to a plurality of hard disks of relevant position, even also might burn the portions of electronics element.Based on above-mentioned defective, how a plurality of fans are carried out unified control, be the person skilled demand side to a problem that solves.
Fig. 1 illustrates according to one aspect of the present invention, is used 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 first temperature sensors, and these first temperature sensors of this control panel 10 and control chip 20 electrically connect, and is used for a plurality of Temperature numerical that temperature sensor is separately gathered are sent to control chip 20.Arbitrary hard disk expansion board in the hard disk expansion board 31,32 and 33 also has a plurality of second temperature sensors; And these second temperature sensors in the hard disk expansion board also electrically connect with control chip 20 respectively, and a plurality of Temperature numerical that temperature sensor is separately gathered also are sent to control chip 20.Divide from the function of each ingredient of said fans control system, might as well the combination of control panel 10 and control chip 20 be called " 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 among Fig. 1 is merely for example; The set-up mode of other hard disk expansion boards existing or that possibly occur from now on is as applicable to hard disk expansion card module of the present invention; Also should be included in protection scope of the present invention, and mode is 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); Be provided with another temperature sensor (being also referred to as " three-temperature sensor ") in this switching on and shutting down panel inside; 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 used for storer is carried out the startup and shutdown operation, and for example, when control chip 20 output one starting-up signal to switching on and shutting down panels, the switching on and shutting down panel starts the start operation and then opens storer; When control chip 20 output one off signal to switching on and shutting down panels, this switching on and shutting down panel starts power-off operation and then closes storer.
In addition, the present invention adopts redundancy scheme in order to ensure the stability and the reliability of said fans control system to control module and/or hard disk expansion card module.In one embodiment, fan control system comprises first control module and second control module, and they are redundant each other.In more detail, be provided with first control panel and first control chip in first control module, and be provided with second control panel and second control chip in second control module.When first control panel of first control module occurs can adopting second control panel of second control module and first control chip to carry out data interaction when unusual; When first control chip of first control module occurs also can adopting second control chip of second control module and first control panel to carry out data interaction when unusual.As the common examples of redundancy scheme, can also whole first control module (or second control module) be made as duty, and second control module (or first control module) is made as 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 redundant each other each other.
In another preferred embodiment, pass through I between a plurality of temperature sensors in the control panel 10 and the control chip 20
2The C bus is come data signal.In addition, also transmit data between a plurality of temperature sensors in arbitrary hard disk expansion board and the control chip 20 through the I2C bus.Those of ordinary skill in the art is to be understood that; Data transfer protocol between temperature sensor and control chip is merely for example; Other data transfer protocols existing or that possibly occur from now on are as applicable to the present invention; Also should be included in protection scope of the present invention, and mode is contained in this by reference.
Preferably, this control panel 10 has an expansion interface, and when being external to a server through 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 through this expansion interface, and the memory capacity of this memory device of memory expansion.
Fig. 2 explains that the control module in the fan control system as shown in Figure 1 is used for controlling the schematic circuit of fan.With reference to Fig. 2, the control panel 10 in the control module comprises a plurality of detection pins (with " PIN_FLT (0～7) " among Fig. 2 sign), a plurality of control pin (with " PWM (0～3) " among Fig. 2 sign), a plurality of feedback pin (with " TACH (0～3) " among Fig. 2 sign).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, is used to detect corresponding fan whether success has been installed really.For example, when fan existed, the detection pin through correspondence received a high level; When fan did not exist, the detection pin through correspondence received a low level.Like this, when the fan of a certain position is not installed or occurred opening circuit, just can in time find through the signal level that detects pin.
Each control pin in a plurality of control pins is coupled to corresponding fan, is used to export the speed controling signal of fan.Preferably, the FAN0～FAN7 in the system is divided into four groups, and every group comprises two fans (import rotor with outlet rotor), and every group of fan be electrically coupled to an identical control pin, to receive the pulse-width signal from this control pin.That is to say that when a control pin when exporting 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 the fan speed data that is received whether its fan turns round according to the expectation rotating speed.Preferably; Control module in the fan control system also comprises an impact damper, for example impact damper B1 or impact damper B1 ', and this impact damper has a plurality of input pins, a plurality of output connecting pin and enables pin; Particularly; Its a plurality of input pins (TACH inlet and TACH outlet) are coupled to corresponding fan, and its a plurality of output connecting pins are coupled to a plurality of feedback pin of control panel 10, with and enable the general input and output pin that pin is coupled to control panel 10; When enabling pin when exporting first level, this impact damper inputs to corresponding feedback pin with the rotary speed data of the import rotor of a certain group of fan; When enabling pin when exporting second level, the rotary speed data that this impact damper will be organized the outlet rotor of fan inputs to this feedback pin.
As stated, fan control system can adopt redundancy scheme to control panel, i.e. control panel among Fig. 2 10 and control panel 10 ', and correspondingly, the impact damper that couples with control panel also adopts redundant setting the, i.e. impact damper B1 and impact damper B1 '.Be not difficult to find out; In control panel 10 and 10 ' a plurality of detection pins separately each detects the position that pin all is electrically connected to identical fans; Control panel 10 all is electrically connected to identical fan with each control pin in 10 ' separately the control pin, and a plurality of feedback pin of control panel 10 and 10 ' are joined with the corresponding port of impact damper B1 and B1 ' respectively.
In conjunction with Fig. 1 and Fig. 2, control chip 20 receptions that electrically connect with control panel 10 and handle fan speed data from control panel, and the new fan speed data after will handling exports the fan of correspondence to through the control pin.Preferably; Control chip 20 can be according to from the Temperature numerical of control panel 10, carry out analysis-by-synthesis and processing from the Temperature numerical of hard disk expansion board and the fan speed data that is received; Exporting a speed controling signal, and control fan running through the control pin of control panel 10.
Fig. 3 explains that the circuit of interior two the redundant control panels each other of the control module of fan control system as shown in Figure 1 connects synoptic diagram.As shown in Figure 3, control module 120 comprises that first control panel 122 and second control panel, 124, the first control panels 122 and second control panel 124 are redundant each other.When system's 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 the control panel; In one embodiment; One universal input and output port (like the GPIO_6 pin) of first control panel 122 is connected to the reset signal input end (RESET_N pin) of second control panel 124; Meanwhile, a universal input and output port (like the GPIO_6 pin) of second control panel 124 is connected to the reset signal input end (RESET_N pin) of first control panel 122.In addition, can the control port that enable of first control panel 122 be connected to first voltage (like 3.3V), and the control port that enables of second control panel 124 is connected to second voltage (like 0V).
Adopt the fan control system that is used for storer among the present invention; A plurality of fans are arranged at the precalculated position of storer; And the detection pin through control panel detects fan and whether correctly installs, controls pin and export the current rotary speed data that each fan speed controling signal and feedback pin separately receives fan respectively, can dispel the heat to storer effectively.In addition; This fan control system also is provided with control chip; Be used for receiving and handling fan speed data from control panel; And export and the corresponding rotation speed of the fan control signal of fan through this control pin, and then regulate the radiating efficiency of fan neatly, improve the data access speed of storer.
In the preceding text, illustrate and describe embodiment of the present invention.But those skilled in the art can understand, and under situation without departing from the spirit and scope of the present invention, can also specific embodiments of the invention do various changes and replacement.These changes and replacement all drop in claims of the present invention institute restricted portion.
Claims (10)
1. a fan control system that is used for storer is characterized in that, said fan control system comprises:
A plurality of fans dispel the heat to said storer;
At least one control module comprises:
One control panel, said control panel comprises:
A plurality of detection pins, whether each detects pin and is coupled to corresponding fan position, be used for detecting said fan and exist really;
A plurality of control pins, each control pin is coupled to corresponding fan, is used for exporting the speed controling signal of said fan; And
A plurality of feedback pin, each feedback pin receives the rotary speed data of said fan, thereby judges whether said fan turns round according to the expectation rotating speed;
One control chip is coupled to said control panel, receive and handle fan speed data from said control panel, and through said control panel output speed control signal to control said a plurality of fan; And
A plurality of first temperature sensors are arranged at said control panel and are coupled to said control chip, are used for a plurality of first Temperature numerical are sent to said control chip; And
At least one hard disk expansion card module comprises:
A plurality of hard disk expansion boards, said a plurality of hard disk expansion boards are coupled to said control module;
A plurality of second temperature sensors are arranged at corresponding hard disk expansion board and are coupled to said control chip, are used for a plurality of second Temperature numerical are sent to said control chip.
2. fan control system as claimed in claim 1; It is characterized in that; Said control chip is exported a speed controling signal according to the fan speed data of said first Temperature numerical, said second Temperature numerical and monitoring in real time, and said speed controling signal is exported to control the running of said fan via said a plurality of control pins.
3. fan control system as claimed in claim 1 is characterized in that, said fan control system comprises one first control module and one second control module, and said first control module and said second control module are redundant each other.
4. fan control system as claimed in claim 1 is characterized in that, said fan control system comprises one first hard disk expansion card module and one second hard disk expansion card module, and the said first hard disk expansion card module and the second hard disk expansion card module are redundant each other.
5. fan control system as claimed in claim 1; It is characterized in that; Said control module also comprises an impact damper, and said impact damper has a plurality of input pins, a plurality of output connecting pin and enables pin, and said a plurality of input pins are coupled to said a plurality of fan; Said a plurality of output connecting pin is coupled to said a plurality of feedback pin of said control panel, and saidly enables the general input and output pin that pin is coupled to said control panel.
6. fan control system as claimed in claim 5; It is characterized in that; Said a plurality of fan is divided into some groups; Every group of fan has an import rotor and an outlet rotor, and said import rotor and said outlet rotor are coupled to a plurality of input pins of said impact damper, and selects the rotary speed data of said import rotor or said outlet rotor is sent to corresponding feedback pin according to the said pin that enables.
7. fan control system as claimed in claim 6 is characterized in that, said every group of fan is coupled to same control pin, to receive the pulse-width signal from said control pin.
8. fan control system as claimed in claim 1 is characterized in that, passes through I between said a plurality of first temperature sensors and the said control chip
2The C bus transmits data, and passes through I between said a plurality of second temperature sensor and the said control chip
2The C bus transmits data.
9. fan control system as claimed in claim 1; It is characterized in that; Said fan control system also comprises a switching on and shutting down panel; Said switching on and shutting down panel is provided with a three-temperature sensor, and said three-temperature sensor is coupled to the said control chip of said at least one control module and said the 3rd Temperature numerical is sent to said control chip, and said control chip is exported a switching on and shutting down signal and then unlatching or closed said storer.
10. fan control system as claimed in claim 1 is characterized in that said control panel has an expansion interface, and when being external to a server through said expansion interface, said storer is as the storage unit of said server.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010572567.8A CN102478861B (en) | 2010-11-29 | 2010-11-29 | Fan control system for memory |
Applications Claiming Priority (1)
| 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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| Publication Number | Publication Date |
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| CN102478861A true CN102478861A (en) | 2012-05-30 |
| CN102478861B CN102478861B (en) | 2014-03-26 |
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| CN201010572567.8A Expired - Fee Related CN102478861B (en) | 2010-11-29 | 2010-11-29 | Fan control system for memory |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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| 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 |
| US20070174020A1 (en) * | 2006-01-20 | 2007-07-26 | Lanus Mark S | Method of latent fault checking a cooling module |
| 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***有限公司 | Speed regulation radiating server |
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2010
- 2010-11-29 CN CN201010572567.8A patent/CN102478861B/en not_active Expired - Fee Related
Patent Citations (5)
| 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 |
| US20070174020A1 (en) * | 2006-01-20 | 2007-07-26 | Lanus Mark S | Method of latent fault checking a cooling module |
| 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***有限公司 | Speed regulation radiating server |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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| CN102478861B (en) | 2014-03-26 |
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