CN111828361B - Fan speed regulation method and system based on double loops - Google Patents
Fan speed regulation method and system based on double loops Download PDFInfo
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- CN111828361B CN111828361B CN201910324638.3A CN201910324638A CN111828361B CN 111828361 B CN111828361 B CN 111828361B CN 201910324638 A CN201910324638 A CN 201910324638A CN 111828361 B CN111828361 B CN 111828361B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/004—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by varying driving speed
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Abstract
The invention discloses a fan speed regulation method and system based on double loops, relating to the technical field of electromechanical management of equipment, wherein the method comprises the following steps: the master management unit on the master and the master electromechanical unit simultaneously acquire temperature data on all the single disks through different hardware channels; the master disk management unit and the main electromechanical unit mutually detect the state of each other and feed back the state to the control module based on the acquired temperature data; and the control module determines whether the fan speed is regulated by the master disk management unit or the master electromechanical unit according to the feedback state and the preset priority. The fan speed regulating method based on the double loops can stably and reliably regulate the speed of the fan.
Description
Technical Field
The invention relates to the technical field of electromechanical management of equipment, in particular to a fan speed regulation method and system based on double loops.
Background
As telecommunication network products are becoming more mature, the requirements for the reliability and maintainability of the products are also becoming higher and higher, and electromechanical management has become an important means for improving the reliability and maintainability of the products. Various home appliance manufacturers integrate electromechanical management systems in their respective products.
The architecture design of electromechanical management is used for reference of ATCA related ideas. ATCA is the historically most significant innovation of the PICMG standard, approved in 2002 for 12 months. The ATCA consists of a series of specifications, including a core specification that defines architecture, power, heat dissipation, interconnection, and system management. The ATCA mainly aims at telecom operation level application, provides a hardware framework with high cost performance, modularization, strong compatibility and expandability for next generation communication and data network application, and is presented in a module structure form to meet the modern requirement on high-speed data transmission, and provides a reliable, usable and applicable solution for new generation telecom operation equipment.
The ATCA adopts an IPMI bus standard in the industry as a basis for management function, and provides a set of reliable management mechanism of a chassis level. The ATCA specification reserves more space on the form design definition, and provides redundant fans and temperature monitoring management to enhance the heat dissipation capability of the system. The designs not only effectively ensure that the communication equipment obtains the stability of the carrier grade, but also can not cause the equipment failure due to the heat dissipation problem. The ATCA adopts a double backup mechanism in the aspects of slots, power supplies, fans and the like, and an FRU is designed, so that the fault of a single board card cannot spread to the whole case, and the reliability of the equipment is further improved.
In the current scheme design process, the device appears in the form of a whole frame, and comprises a main control (a management unit on a main disk or a spare disk), a single disk, a backboard subframe, a fan and a power supply. The single disk is a machine disk for bearing services, and consists of a plurality of chips and a circuit board, and is used for processing optical signals and electric signals and carrying out logic processing on data. The fan is controlled by adopting the temperature reported by the single disk through the Ethernet management channel, the speed regulation and service coupling ratio is stronger, and the single disk speed regulation strategy of the whole frame can be influenced when any node has a problem. Meanwhile, speed regulation data exists in the master control, the master node (the management unit on the electromechanical unit) on the electromechanical unit does not collect and process the speed regulation temperature, and if the master control has a problem, the master control is responsible for the speed regulation strategy of the whole frame of equipment, so that the speed regulation of the whole frame is actually influenced. Similarly, if the master node of the mechatronic unit is responsible for the speed regulation strategy of the whole frame device, if the master node of the mechatronic unit has a problem, the speed regulation of the whole frame is also affected.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a double-loop-based fan speed regulating method capable of stably and reliably regulating the speed of a fan.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows:
a fan speed regulation method based on double loops comprises the following steps:
the master management unit on the master and the master electromechanical unit simultaneously acquire temperature data on all the single disks through different hardware channels;
the master disk management unit and the main electromechanical unit mutually detect the state of each other and feed back the state to the control module based on the acquired temperature data;
and the control module determines whether the fan speed is regulated by the master disk management unit or the master electromechanical unit according to the feedback state and the preset priority.
On the basis of the above technical solution, the control module determines whether the fan speed is regulated by the master management unit or the master electromechanical unit according to the feedback state and the preset priority, and specifically includes:
when the states of the master disk management unit and the master electromechanical unit are normal, the master disk management unit is preferentially adopted to carry out fan speed regulation;
when one of the states of the master disk management unit and the master electromechanical unit is normal, the normal unit is used for carrying out fan speed regulation.
On the basis of the above technical solution, the main disk management unit and the main electromechanical unit mutually detect and feed back the state of each other based on the acquired temperature data, specifically including:
the master management unit and the main electromechanical unit mutually transmit the acquired temperature data, and judge whether the other side stops feeding dogs or not by using a watchdog program respectively, if so, judge that the other side is abnormal; if not, the state of the other side is judged to be normal.
On the basis of the technical scheme, the method further comprises the following steps:
the standby electromechanical unit and the standby disk management unit on the standby disk synchronously acquire the temperature data acquired by the main electromechanical unit and the main disk management unit through different hardware channels;
the main disk and the spare disk mutually detect the state of the other side, and the spare disk management unit and the spare electromechanical unit are configured to: (ii) a And when the states of the main disk management unit and the main electromechanical unit are abnormal, the standby disk management unit is preferentially switched to carry out fan speed regulation.
On the basis of the above technical solution, the master management unit on the master and the master electromechanical unit simultaneously acquire temperature data on all single disks through different hardware channels, and specifically includes:
the master disk management unit acquires temperature data on all the single disks through the Ethernet management channel, and the master electromechanical unit acquires the temperature data on all the single disks through the electromechanical management channel.
Another object of the present invention is to provide a dual-circuit based fan governor system that can regulate the speed of a fan stably and reliably.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows:
a dual circuit based fan governor system comprising:
a main electromechanical unit;
the master disk management unit and the master electromechanical unit are used for simultaneously acquiring temperature data on all the single disks through different hardware channels; the master management unit and the main electromechanical unit mutually detect and feed back the state of the other side based on the acquired temperature data; and
and the control module determines whether the fan speed is regulated by the master disk management unit or the master electromechanical unit according to the feedback state and the preset priority.
On the basis of the above technical solution, the control module determines whether the fan speed is adjusted by the master management unit or the master electromechanical unit according to the feedback state and the preset priority, and specifically includes:
when the states of the master disk management unit and the master electromechanical unit are normal, the master disk management unit is preferentially adopted to carry out fan speed regulation;
when one of the states of the master disk management unit and the master electromechanical unit is normal, the normal unit is used for carrying out fan speed regulation.
On the basis of the above technical solution, the main disk management unit and the main electromechanical unit mutually detect and feed back the state of each other based on the acquired temperature data, specifically including:
the master management unit and the main electromechanical unit mutually transmit the acquired temperature data, and judge whether the other side stops feeding dogs or not by using a watchdog program respectively, if so, judge that the other side is abnormal; if not, the state of the other side is judged to be normal.
On the basis of the technical scheme, the fan speed regulating system based on the double loops further comprises a standby electromechanical unit and a standby disk, wherein the standby disk is provided with a standby disk management unit, and the standby disk management unit and the standby electromechanical unit synchronously acquire temperature data acquired by the main disk management unit and the main electromechanical unit through different hardware channels;
the main disk and the spare disk mutually detect the state of the other side, and the spare disk management unit and the spare electromechanical unit are configured to: and when the states of the main disk management unit and the main electromechanical unit are abnormal, the standby disk management unit is preferentially switched to carry out fan speed regulation.
On the basis of the above technical solution, the acquiring, by the master management unit on the master electromechanical unit and the master disk, the temperature data on all the single disks through different hardware channels includes:
the master disk management unit acquires temperature data on all the single disks through the Ethernet management channel, and the master electromechanical unit acquires the temperature data on all the single disks through the electromechanical management channel. Compared with the prior art, the invention has the advantages that:
the fan speed regulation method based on the double loops in the embodiment of the invention adopts a double backup mechanism, namely, the main electromechanical unit and the main disk management unit on the main disk are mutually backed up, and the main disk and the standby disk are also mutually backed up. In addition, because the main disk management unit and the main electromechanical unit respectively adopt different hardware channels and transmission paths, double guarantee is achieved, and the speed regulation of the equipment is more reliable and stable.
Drawings
Fig. 1 is a flow chart of a dual-loop-based fan speed control method according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Referring to fig. 1, an embodiment of the present invention provides a method for adjusting a speed of a fan based on a dual loop, where the method includes the following steps:
s1, a master electromechanical unit and a master management unit on a master simultaneously acquire temperature data on all single disks through different hardware channels;
specifically, the master management unit obtains temperature data on all the single disks through the ethernet management channel, and the master electromechanical unit obtains temperature data on all the single disks through the electromechanical management channel.
The temperature data on all the single disks are acquired by summarizing the temperatures of other chips on the single disks by using the main electromechanical unit and the master management unit on the master, wherein the acquired temperatures comprise the ambient temperature acquired by the temperature sensing chip on the single disk and the temperature of a peripheral device on the single disk.
S2, the master disk management unit and the main electromechanical unit mutually detect the state of the other side and feed back the state to the control module based on the acquired temperature data;
specifically, the master management unit and the main electromechanical unit mutually transmit the acquired temperature data, and judge whether the other side stops feeding dogs or not by using a watchdog program respectively, and if so, judge that the other side is abnormal; if not, the state of the other side is judged to be normal.
The watchdog is divided into a hardware watchdog and a software watchdog, wherein the software watchdog is different from the hardware watchdog, the software watchdog is a pure software logic operation, a high-priority task is mainly created for monitoring certain states, certain operations are triggered when abnormality is detected, and the logic of the operations is controlled by the software watchdog. In this embodiment, the mechanism on the master management unit and the active mechatronic unit indicates the state if no dog feeding message is received, so that the state of the other side can be known.
In this embodiment, the master management unit and the master electromechanical unit mutually transmit the acquired temperature data, and if one of the master management unit and the master electromechanical unit is abnormal, the data cannot be transmitted, and thus the dog feeding operation cannot be performed, so that the state of the other party can be determined according to whether the other party stops feeding the dog.
And S3, the control module determines whether the fan speed is regulated by the master disk management unit or the master electromechanical unit according to the feedback state and the preset priority.
Specifically, when the states of the master disk management unit and the master electromechanical unit are both normal, the master disk management unit is preferentially adopted to carry out fan speed regulation;
when one of the states of the master disk management unit and the master electromechanical unit is normal, the normal unit is used for carrying out fan speed regulation.
In this embodiment, the master management unit and the master electromechanical unit may continuously feed dogs to indicate states in normal operation, after a state of any one of the two parties abnormally stops feeding dogs, the control logic may switch to the other party, which is a primary speed regulation strategy, where there are 4 states, 00 indicates that both sides are normal (but the master management unit takes precedence), 01 and 10 indicate that one of the two sides is normal (where the normal speed regulation is performed and an alarm is reported), and 11 indicates that both sides are abnormal (no switching is performed).
In order to overcome the problem that when the master management unit and the master electromechanical unit are both abnormal, the fan can be continuously adjusted in speed, in this embodiment, the backup electromechanical unit and the backup disk are also used as backups.
Specifically, the standby electromechanical unit and the standby disk management unit on the standby disk synchronously acquire the temperature data acquired by the main disk management unit and the main electromechanical unit through different hardware channels. Namely, the standby mechatronic unit and the spare disk management unit respectively acquire temperature data on all the single disks through different hardware channels.
The master disk and the spare disk mutually detect the state of each other, and the spare disk is configured to: and when the states of the main disk management unit and the main electromechanical unit are abnormal, the standby disk management unit is preferentially switched to carry out fan speed regulation. That is, when the spare disk management unit is abnormal, the spare electromechanical unit is used for fan speed regulation. Generally, the situation that the active electromechanical unit, the main disk management unit, the standby electromechanical unit and the standby disk management unit cannot work normally rarely occurs, and if the situation occurs, which unit is adopted to report the temperature is determined according to the magnitude of each exception, which is a speed-regulating secondary strategy. Therefore, after the method in the embodiment is adopted, the reasonable fan speed regulation can be well carried out by coping with various situations.
In summary, the dual-loop-based fan speed control method in this embodiment uses a dual-backup mechanism, that is, the main electromechanical unit and the main disk management unit on the main disk are backed up with each other, and the main disk and the standby disk are also backed up with each other. In addition, because the main disk management unit and the main electromechanical unit respectively adopt different hardware channels and transmission paths, double guarantee is achieved, and the speed regulation of the equipment is more reliable and stable.
The embodiment of the invention provides a fan speed regulating system based on a double loop, which comprises a main electromechanical unit, a main disc and a control module.
The main electromechanical unit may be generally disposed on the frame, or may be disposed on the backplane or the main disk.
And the master disk is provided with a master disk management unit, and the master disk management unit and the master electromechanical unit are used for simultaneously acquiring temperature data on all the single disks through different hardware channels. Specifically, the master management unit obtains temperature data on all the single disks through an ethernet management channel, and the master electromechanical unit obtains temperature data on all the single disks through an electromechanical management channel. And the master management unit and the master electromechanical unit mutually detect and feed back the state of the other side based on the acquired temperature data.
And the control module determines whether the fan speed is regulated by the master disk management unit or the master electromechanical unit according to the feedback state and the preset priority.
Further, the control module determines whether the fan speed is regulated by the master management unit or the master electromechanical unit according to the feedback state and the preset priority, and specifically includes:
when the states of the master disk management unit and the master electromechanical unit are normal, the master disk management unit is preferentially adopted to carry out fan speed regulation;
when one of the states of the master disk management unit and the master electromechanical unit is normal, the normal unit is used for carrying out fan speed regulation.
Further, the master management unit and the master electromechanical unit mutually detect and feed back the state of each other based on the acquired temperature data, specifically including:
the master management unit and the main electromechanical unit mutually transmit the acquired temperature data, and judge whether the other side stops feeding dogs or not by using a watchdog program respectively, if so, judge that the other side is abnormal; if not, the state of the other side is judged to be normal.
Further, the fan speed control system based on the double loops further comprises a standby electromechanical unit and a standby disk, wherein the standby disk management unit is arranged on the standby disk, and the standby electromechanical unit can be usually arranged on the frame, or arranged on the back panel or the standby disk. The standby disk management unit and the standby electromechanical unit synchronously acquire the temperature data acquired by the main disk management unit and the main electromechanical unit through different hardware channels;
the main disk and the spare disk mutually detect the state of the other side, and the spare disk management unit and the spare electromechanical unit are configured to: and when the states of the main disk management unit and the main electromechanical unit are abnormal, the standby disk management unit is preferentially switched to carry out fan speed regulation.
The present invention is not limited to the above-described embodiments, and it will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and such modifications and improvements are also considered to be within the scope of the present invention. Those not described in detail in this specification are within the skill of the art.
Claims (8)
1. A fan speed regulation method based on double loops is characterized by comprising the following steps:
the master management unit on the master and the master electromechanical unit simultaneously acquire temperature data on all the single disks through different hardware channels;
the master disk management unit and the main electromechanical unit mutually detect the state of each other and feed back the state to the control module based on the acquired temperature data;
the control module determines whether the fan speed is regulated by the master disk management unit or the master electromechanical unit according to the feedback state and the preset priority;
the standby electromechanical unit and the standby disk management unit on the standby disk synchronously acquire the temperature data acquired by the main electromechanical unit and the main disk management unit through different hardware channels;
the main disk and the spare disk mutually detect the state of the other side, and the spare disk management unit and the spare electromechanical unit are configured to: and when the states of the main disk management unit and the main electromechanical unit are abnormal, the standby disk management unit is preferentially switched to carry out fan speed regulation.
2. The dual-loop-based fan speed regulation method according to claim 1, wherein the control module determines whether the fan speed regulation is performed by the master management unit or the master electromechanical unit according to the feedback state and a preset priority, and specifically comprises:
when the states of the master disk management unit and the master electromechanical unit are normal, the master disk management unit is preferentially adopted to carry out fan speed regulation;
when one of the states of the master disk management unit and the master electromechanical unit is normal, the normal unit is used for carrying out fan speed regulation.
3. The dual-loop-based fan speed regulation method according to claim 1 or 2, wherein the master management unit and the master electromechanical unit mutually detect and feed back the state of each other based on the temperature data acquired by the master management unit and the master electromechanical unit, and specifically comprises:
the master management unit and the main electromechanical unit mutually transmit the acquired temperature data, and judge whether the other side stops feeding dogs or not by using a watchdog program respectively, if so, judge that the other side is abnormal; if not, the state of the other side is judged to be normal.
4. The dual-loop-based fan speed regulation method of claim 1, wherein the master management unit on the master and the master electromechanical unit simultaneously acquire temperature data on all single disks through different hardware channels, specifically comprising:
the master disk management unit acquires temperature data on all the single disks through the Ethernet management channel, and the master electromechanical unit acquires the temperature data on all the single disks through the electromechanical management channel.
5. A fan speed control system based on dual circuit, comprising:
a main electromechanical unit;
the master disk management unit and the master electromechanical unit are used for simultaneously acquiring temperature data on all the single disks through different hardware channels; the master management unit and the main electromechanical unit mutually detect and feed back the state of the other side based on the acquired temperature data; and
the control module determines whether the fan speed is regulated by the master disk management unit or the master electromechanical unit according to the feedback state and the preset priority;
a standby electromechanical unit;
the standby disk management unit and the standby electromechanical unit synchronously acquire the temperature data acquired by the main disk management unit and the main electromechanical unit through different hardware channels;
the main disk and the spare disk mutually detect the state of the other side, and the spare disk management unit and the spare electromechanical unit are configured to: and when the states of the main disk management unit and the main electromechanical unit are abnormal, the standby disk management unit is preferentially switched to carry out fan speed regulation.
6. The dual-loop-based fan speed regulation system of claim 5, wherein the control module determines whether the fan speed regulation is performed by the master management unit or the master electromechanical unit according to the feedback state and a preset priority, and specifically comprises:
when the states of the master disk management unit and the master electromechanical unit are normal, the master disk management unit is preferentially adopted to carry out fan speed regulation;
when one of the states of the master disk management unit and the master electromechanical unit is normal, the normal unit is used for carrying out fan speed regulation.
7. The dual-loop-based fan speed regulation system of claim 5 or 6, wherein the master management unit and the master electromechanical unit mutually detect and feed back the state of each other based on the temperature data acquired by the master management unit and the master electromechanical unit, and specifically comprises:
the master management unit and the main electromechanical unit mutually transmit the acquired temperature data, and judge whether the other side stops feeding dogs or not by using a watchdog program respectively, if so, judge that the other side is abnormal; if not, the state of the other side is judged to be normal.
8. The dual-loop-based fan speed control system of claim 5, wherein the master management unit on the master electromechanical unit and the master disk simultaneously obtains temperature data on all the single disks through different hardware channels, specifically comprising:
the master disk management unit acquires temperature data on all the single disks through the Ethernet management channel, and the master electromechanical unit acquires the temperature data on all the single disks through the electromechanical management channel.
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| JP2008169784A (en) * | 2007-01-15 | 2008-07-24 | Hitachi Ltd | Cooling fan controller |
| CN108038041A (en) * | 2017-12-19 | 2018-05-15 | 曙光信息产业(北京)有限公司 | Case radiation management system |
| CN208311110U (en) * | 2018-04-02 | 2019-01-01 | 郑州云海信息技术有限公司 | A kind of server fan control mechanism |
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