CN106593901A - Fan rotation speed regulating and control device and method - Google Patents
Fan rotation speed regulating and control device and method Download PDFInfo
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- CN106593901A CN106593901A CN201611218425.5A CN201611218425A CN106593901A CN 106593901 A CN106593901 A CN 106593901A CN 201611218425 A CN201611218425 A CN 201611218425A CN 106593901 A CN106593901 A CN 106593901A
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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
- F04D19/00—Axial-flow pumps
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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
- F04D27/001—Testing thereof; Determination or simulation of flow characteristics; Stall or surge detection, e.g. condition monitoring
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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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Positive-Displacement Air Blowers (AREA)
- Ventilation (AREA)
Abstract
The invention provides a fan rotation speed regulating and control device and method. The fan rotation speed regulating and control device comprises a regulating unit, a collection unit and a processing unit, wherein the collection unit is used for collecting current rotation speed parameters of an external fan after the regulating unit regulates the rotation speed of the external fan based on the target rotation speed corresponding to collected environment parameters; and the processing unit is used for computing the current rotation speed according to the current rotation speed parameters collected by the collection unit and executing abnormality handling when judging that a difference parameter between the current rotation speed and the target rotation speed exceeds a preset difference parameter threshold value. According to the process, after the fan is subjected to rotation speed regulation through to the technical scheme, the actual rotation speed regulation condition of the fan can be monitored, so that the abnormal condition that the actual rotation speed of the fan does not reach the target rotation speed is found in time, and the corresponding abnormality handling is conducted specific to the abnormal condition. Accordingly, the precision of fan rotation speed regulation and control can be improved through the device and the method.
Description
Technical field
The present invention relates to monitoring technology field, more particularly to a kind of rotation speed of the fan regulation device and method.
Background technology
Along with the arrival of cloud computing, server is used widely.Server in running, join by its internal medium
Number, such as temperature, humidity and amount of smoke parameter can produce change.The change of server internal ambient parameter, can be to server
Operation stability is impacted.
At present, it may be predetermined that the suitable rotation speed of the fan corresponding to varying environment parameter.Based on the server for detecting
Internal medium parameter, can carry out rotation speed of the fan regulation, so that server internal environment according to its corresponding suitable rotation speed of the fan
Parameter is in zone of reasonableness.
But, fan is in actual applications it is possible that the problems such as voltage pulsation, air channel are blocked, so as to fan is actual turn
Speed does not reach suitable rotating speed.Therefore, existing mode is low to accuracy that rotation speed of the fan regulates and controls.
The content of the invention
The invention provides a kind of rotation speed of the fan regulation device and method, it is possible to increase the accuracy of rotation speed of the fan regulation and control.
In a first aspect, the invention provides a kind of rotation speed of the fan regulation device, the device includes：Adjustment unit, collection are single
Unit and processing unit；Wherein,
The adjustment unit, for based on the corresponding rotating speed of target of ambient parameter for collecting, performing to external fan and turning
Velocity modulation section；
The collecting unit, for gathering the current rotary speed parameter of the fan；
The processing unit, for according to the current rotary speed parameter, calculating the current rotating speed of the fan；Judge described
Whether current difference parameter between rotating speed and the rotating speed of target exceedes difference parameter threshold value set in advance, if so, performs
Abnormality processing.
Preferably,
The collecting unit, during specifically for the adjustment unit execution rotational speed regulation time started as starting
Between, when the very first time interval set in advance corresponding termination time is reached, gather the current rotary speed parameter of the fan.
Preferably,
The collecting unit, specifically for according to the second time interval set in advance, gather successively each described
The rotary speed parameter of the fan in two time intervals；Determining at least two adjacent second time intervals, adopted
When the rotary speed parameter that collects is equal, the current rotary speed parameter that the equal rotary speed parameter is the fan is determined.
Preferably,
The collecting unit includes：Infrared sensor；Wherein, the infrared sensor includes：Infrared transmission module and red
Outer receiver module；
For the infrared signal emission interface of the infrared transmission module connects with the infrared signal of the infrared receiving module
The line between interface is received, the line is misaligned with the rotation shaft centre line of the fan, and the line and the fan
Rotary shaft centreline space distance be not more than the fan blade edge rotary motion trace radius；
The infrared transmission module, for launching infrared signal；
The infrared receiving module, for determining in arbitrary first time period, the of the infrared signal not received
Number；
The processing unit, is further used for predefining the first quantity of the blade in the fan；
The current rotary speed parameter includes：The first time period, first number, first quantity.
Preferably,
The processing unit, specifically for according to the current rotary speed parameter, using formula (1), calculating the fan
Current rotating speed；
Wherein, the r characterizes the current rotating speed of the fan；The n characterizes first number；The m characterizes described
First quantity；The t characterizes the first time period.
Preferably,
The difference parameter, including：Error amount；
The processing unit, is further used for, according to formula (2), calculating between the current rotating speed and the rotating speed of target
The error amount；
A=| r1-r0| (2)
Wherein, the r1Characterize the current rotating speed；The r0Characterize the rotating speed of target；The a characterizes the error
Value.
Preferably,
The difference parameter, including：Variance rate；
The processing unit, is further used for, according to formula (3), calculating between the current rotating speed and the rotating speed of target
The variance rate；
Wherein, the r1Characterize the current rotating speed；The r0Characterize the rotating speed of target；The b characterizes the difference
Rate.
Second aspect, the invention provides a kind of rotation speed of the fan regulates and controls method, the method includes：
Based on the corresponding rotating speed of target of the ambient parameter for collecting, rotational speed regulation is performed to external fan；
Gather the current rotary speed parameter of the fan；
According to the current rotary speed parameter, the current rotating speed of the fan is calculated；
Judge the difference parameter between the current rotating speed and the rotating speed of target whether more than difference set in advance ginseng
Number threshold value, if so, performs abnormality processing.
Preferably,
The current rotary speed parameter for gathering the fan, including：With the execution time started of the rotational speed regulation as rise
Time beginning, when the very first time interval set in advance corresponding termination time is reached, gather the current rotating speed ginseng of the fan
Number.
Preferably,
The current rotary speed parameter for gathering the fan, including：According to the second time interval set in advance, adopt successively
Collect the rotary speed parameter of the fan in each described second time interval；When determining at least two adjacent described second
Between interval in, when the rotary speed parameter for being collected is equal, determine the current rotating speed that the equal rotary speed parameter is the fan
Parameter.
Preferably, the current rotary speed parameter of the collection fan, including：
When the infrared transmission module transmitting in infrared sensor has infrared signal, determine in arbitrary first time period, institute
State first number that the infrared receiving module in infrared sensor does not receive the infrared signal；
Further include：Predefine the first quantity of the blade in the fan；
The current rotary speed parameter includes：The first time period, first number, first quantity.
Preferably, the current rotating speed for calculating the fan, including：
Using formula (1), the current rotating speed of the fan is calculated；
Wherein, the r characterizes the current rotating speed of the fan；The n characterizes first number；The m characterizes described
First quantity；The t characterizes the first time period.
Preferably,
The difference parameter, including：Error amount；
Further include：
According to formula (2), the error amount between the current rotating speed and the rotating speed of target is calculated；
A=| r1-r0| (2)
Wherein, the r1Characterize the current rotating speed；The r0Characterize the rotating speed of target；The a characterizes the error
Value.
Preferably,
The difference parameter, including：Variance rate；
Further include：
According to formula (3), the variance rate between the current rotating speed and the rotating speed of target is calculated；
Wherein, the r1Characterize the current rotating speed；The r0Characterize the rotating speed of target；The b characterizes the difference
Rate.
The invention provides a kind of rotation speed of the fan regulation device and method, the rotation speed of the fan regulation device includes：Adjust single
Unit, collecting unit and processing unit；Wherein, collecting unit is turned in adjustment unit based on the corresponding target of the ambient parameter for collecting
Speed, the current rotary speed parameter that external fan is gathered after rotational speed regulation is performed to external fan；Processing unit is according to collecting unit
Current rotary speed parameter is collected, the current rotating speed of external fan is calculated, and ought be judged between current rotating speed and rotating speed of target
When difference parameter exceedes difference parameter threshold value set in advance, abnormality processing is performed.By said process, this programme is in wind
Fan is performed after rotational speed regulation, and rotational speed regulation situation that can be actual to fan is monitored, to find fan actual speed in time
The abnormal conditions of miss the mark rotating speed, and corresponding abnormality processing is made for abnormal conditions, therefore the present invention can be improved
The accuracy of rotation speed of the fan regulation and control.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are the present invention
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can be with basis
These accompanying drawings obtain other accompanying drawings.
Fig. 1 is a kind of structural representation of rotation speed of the fan regulation device that one embodiment of the invention is provided；
Fig. 2 is a kind of structural representation of rotation speed of the fan regulation device that another embodiment of the present invention is provided；
Fig. 3 is the structure of the relative position relation between a kind of infrared sensor that one embodiment of the invention is provided and fan
Schematic diagram；
Fig. 4 is the flow chart that a kind of rotation speed of the fan that one embodiment of the invention is provided regulates and controls method；
Fig. 5 is the flow chart that a kind of rotation speed of the fan that another embodiment of the present invention is provided regulates and controls method.
Specific embodiment
To make purpose, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
The a part of embodiment of the present invention, rather than the embodiment of whole, based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained on the premise of creative work is not made, belongs to the scope of protection of the invention.
As shown in figure 1, embodiments providing a kind of rotation speed of the fan regulation device, the device includes：Adjustment unit
101st, collecting unit 102 and processing unit 103；Wherein,
The adjustment unit 101, for based on the corresponding rotating speed of target of ambient parameter for collecting, performing to external fan
Rotational speed regulation；
The collecting unit 102, for gathering the current rotary speed parameter of the fan；
The processing unit 103, for according to the current rotary speed parameter, calculating the current rotating speed of the fan；Judge
Whether the difference parameter between the current rotating speed and the rotating speed of target exceedes difference parameter threshold value set in advance, if so,
Perform abnormality processing.
By embodiment as shown in Figure 1, the rotation speed of the fan regulation device includes：Adjustment unit, collecting unit and
Processing unit；Wherein, collecting unit is based on the corresponding rotating speed of target of ambient parameter for collecting in adjustment unit, to external fan
After performing rotational speed regulation, the current rotary speed parameter of external fan is gathered；Processing unit is collected according to collecting unit works as forward
Fast parameter, calculates the current rotating speed of external fan, and ought judge that the difference parameter between current rotating speed and rotating speed of target exceedes
During difference parameter threshold value set in advance, abnormality processing is performed.By said process, this programme performs rotating speed and adjusts in fan
After section, rotational speed regulation situation that can be actual to fan is monitored, to find that fan actual speed miss the mark turns in time
The abnormal conditions of speed, and corresponding abnormality processing is made for abnormal conditions, therefore the embodiment of the present invention can improve fan and turn
The accuracy of velocity modulation control.
In an embodiment of the invention, above-mentioned adjustment unit, with for preset at least one ambient parameter and
Corresponding relation between at least one rotating speed, according to the ambient parameter for collecting, selects and collection in the corresponding relation of setting
The corresponding rotating speed of ambient parameter for arriving, and the rotating speed is determined for rotating speed of target, and external fan is held using the rotating speed of target
Row rotational speed regulation.
Above-mentioned ambient parameter can include：The temperature value of temperature sensor collection, the humidity value of humidity sensor collection
With Smoke Sensor collection smog value in any one or more.
The particular content of ambient parameter can determine according to business need, for example：When ambient parameter is temperature value, in advance
The corresponding relation of first set temperature value and rotating speed includes：It is 80r/min that temperature value is 10 DEG C to 20 DEG C corresponding rotating speeds；Temperature value
It is 120r/min for 21 DEG C to 40 DEG C corresponding rotating speeds.External fan with the rotation speed operation of 80r/min, when the temperature for collecting
When angle value is 30 DEG C, then determine that 120r/min is rotating speed of target according to the corresponding relation of set temperature value and rotating speed, to outside wind
Fan performs rotational speed regulation, and rotation speed of the fan is adjusted to 120r/min.
Further, since when adjustment unit performs rotational speed regulation to fan, fan can not be from the rotating speed for operating immediately
Rotating speed of target is shifted to, fan needs a buffer time to stable from the rotating speed for operating in rotating speed of target, and at this
The rotary speed parameter of the fan collected in individual buffer time is inaccurate.
Such as, just with the rotation speed operation of 80r/min, adjustment unit performs rotational speed regulation to fan to 120r/min to fan,
Fan from 80r/min rotation speed operations to the buffer time needed with 120r/min rotation speed operations as two minutes, if this two
The rotation speed of the fan collected in the time of minute may be 90r/min, 110r/min, so gathering within this buffer time
The rotation speed of the fan parameter for obtaining can not truly reflect whether fan reaches rotating speed of target.
In detail, to solve the above problems, so, the possibility implementation of current rotary speed parameter is gathered, at least can be
Any one in following two ways：
Mode 1：Rotation speed of the fan adjusts operation and performs the current rotary speed parameter that fan is gathered after certain period of time；
Mode 2：Rotation speed of the fan is adjusted after operation execution, and when monitoring that rotation speed of the fan is stablized, gather fan works as forward
Fast parameter.
In detail, corresponding to aforesaid way 1：
In an embodiment of the invention, it is external fan Jing rotational speed regulation to ensure the current rotary speed parameter for collecting
Afterwards, in steady operational status when rotary speed parameter, the collecting unit 102, specifically for being held with the adjustment unit 101
The row rotational speed regulation time started is initial time, and when the very first time set in advance is reached the corresponding termination time is spaced
When, gather the current rotary speed parameter of the fan.
Fan, to by taking 120r/min rotation speed operations as an example, can be set in advance from by 80r/min rotation speed operations by above-mentioned
The very first time is determined at intervals of 2 minutes, then collecting unit performs the rotational speed regulation time started such as 8 with adjustment unit:00 is
Time beginning, when the very first time set in advance is reached 2 minutes corresponding termination time 8 is spaced:When 02, gather fan works as forward
Fast parameter, rotary speed parameter is fan in the corresponding rotary speed parameter of stabilized (steady-state) speed operating before deserving.
According to above-described embodiment, because collecting unit is performed between the time of the corresponding setting of rotational speed regulation in adjustment unit
After, just start the current rotary speed parameter for gathering fan, therefore the current rotary speed parameter for collecting is in for fan and stablizes
Corresponding rotary speed parameter under speed conditions, thus the current rotary speed parameter for collecting can truly reflect fan work as forward
Speed.
In detail, corresponding to aforesaid way 2：
In an embodiment of the invention, it is that external fan is transported in stable to ensure the current rotary speed parameter for collecting
The rotary speed parameter of row state, the collecting unit 102 can be also used for according to the second time interval set in advance, gather successively
The rotary speed parameter of the fan in each described second time interval；Determining at least two adjacent second times
In interval, when the rotary speed parameter for being collected is equal, the current rotating speed ginseng that the equal rotary speed parameter is the fan is determined
Number.
The second above-mentioned time interval can determine according to specific business need, such as 3 minutes, when adjustment unit profit
External fan is performed after rotational speed regulation with rotating speed of target, collecting unit gathered the rotary speed parameter of primary air fan per 3 minutes, such as
The rotary speed parameter for gathering successively is 800 times, 810 times, 850 times, 900 times, 1000 times, 1000 times, 1000 times.It can be seen that above-mentioned
Three adjacent rotary speed parameters are 1000 times after in the rotary speed parameter of collection, it is determined that now fan is already at stable operation
State, so determining equal 1000 current rotary speed parameters for fan of rotary speed parameter.
According to above-described embodiment, collecting unit gathers successively the rotating speed ginseng of each time interval internal fan set in advance
Number, only determine have that the rotary speed parameter that collects is equal at least two adjacent time intervals when, just determine this
Equal rotary speed parameter is the current rotary speed parameter of fan.Because its rotary speed parameter is just in when only having fan to be in stabilized (steady-state) speed
In one equal value, therefore rotary speed parameter can truly reflect the current rotating speed of fan before deserving.
In an embodiment of the invention, Fig. 2 and Fig. 3 is refer to, in order to illustrate a kind of current rotating speed ginseng of collection fan
Several possibility implementations, can include infrared sensor 201 in the collecting unit 102；Wherein, the infrared sensor
201 include：Infrared transmission module 2011 and infrared receiving module 2012；
It is red with the infrared receiving module 2012 for the infrared signal emission interface of the infrared transmission module 2011
Line between external signal receiving interface, the line is misaligned with the rotation shaft centre line of the fan, and the line with
The distance of the rotary shaft centreline space of the fan is not more than the radius of the blade edge rotary motion trace of the fan；
The infrared transmission module 2011, for launching infrared signal；
The infrared receiving module 2012, for determining in arbitrary first time period, the infrared signal not received
First number；
The processing unit 103, is further used for predefining the first quantity of the blade in the fan；
The current rotary speed parameter includes：The first time period, first number, first quantity.
First quantity of the blade in above-mentioned fan and the shape of blade can be according to specific business needs come really
Fixed, such as, the quantity of blade can select 3, and the shape of blade can select cissoid shape, it should be noted that the leaf of selection
Piece should block infrared signal, so that infrared sensor can gather first number of the infrared signal not received.
As shown in figure 3, M can be expressed as the line between infrared signal emission interface and IR signal reception interface；N can
To be expressed as the rotation shaft centre line of fan；L1The distance of line and the rotary shaft centreline space of the fan can be expressed as；
Shown circular dashed line S can be expressed as the blade edge rotary motion trace of fan；L2The blade edge that fan can be expressed as is rotated
The radius of track.
The type of above-mentioned infrared sensor can determine according to business need, wherein, the infrared letter of infrared transmission module
Line M number between emission interface and the IR signal reception interface of infrared receiving module is a straight line, and line M and fan
Rotation shaft centre line N it is misaligned.This is because when line M overlaps with the rotation shaft centre line N of fan, it is infrared to connect
Receiving the IR signal reception interface of module will can not receive the infrared of the infrared signal emission interface transmitting of infrared transmission module
Signal.
In addition, as shown in figure 3, the line M between infrared signal emission interface and IR signal reception interface and fan
Rotate shaft centre line N between apart from L1The radius L of the blade edge rotary motion trace of fan should be not more than2.This is because working as L1It is more than
L2When, the rotation of fan blade will not produce stop to infrared signal, therefore infrared receiving module can receive always infrared letter
Number, therefore the rotary speed parameter related by fan can not be gathered.
According to above-described embodiment, collecting unit can include infrared sensor, by the infrared emission mould in infrared sensor
Line between the IR signal reception interface of the infrared receiving module in the infrared signal emission interface of block and infrared sensor,
It is placed on the position contacted with fan blade, so that infrared receiving module can determine interior over any time period, does not receive
The number of times of the infrared signal of the infrared transmission module transmitting arrived, therefore the current rotating speed ginseng of infrared sensor collection fan can be improved
Several accuracys.
In an embodiment of the invention, the processing unit 103 is specifically for according to the current rotary speed parameter, utilizing
Formula (1), calculates the current rotating speed of the fan；
Wherein, the r characterizes the current rotating speed of the fan；The n characterizes first number；The m characterizes described
First quantity；The t characterizes the first time period.
The first above-mentioned quantity is the blade quantity of fan, and the blade quantity of fan can determine such as according to business need
3, above-mentioned first time period can also determine according to business need, such as 3 minutes, and first time above-mentioned number is with first
The fan of blade quantity, it is determined that in arbitrary first time period, the institute that the infrared receiving module in infrared sensor is not received
State the number of times of infrared signal.
Such as in 3 minutes, the number of times of the infrared signal that the infrared receiving module in infrared sensor is not received
For 1000 times, then 3 minutes, 3 and 1000 times are updated in formula (1) i.e.：
Then calculated 111r/min is the current rotating speed of fan.
According to above-described embodiment, processing unit can utilize time period in the current rotary speed parameter of collecting unit collection,
Quantity in corresponding with the time period numerical value and fan Leaf is calculated the current rotating speed of fan, current due to what is calculated
Rotating speed combines the parameters such as the quantity in corresponding with the time period numerical value and fan Leaf of time period, therefore deserves forward
Speed can truly reflect actual speed of the fan within the time period.
In detail, above-mentioned difference parameter, at least can be any one in following two ways：
Mode A：Difference parameter is error amount, i.e., the gap between current rotating speed and rotating speed of target；
Mode B：Difference parameter is variance rate, i.e., the gap percentage ratio between current rotating speed and rotating speed of target.
In detail, correspondence aforesaid way A：
In an embodiment of the invention, the difference parameter, including：Error amount；
The processing unit 103, is further used for, according to formula (2), calculating the current rotating speed and the rotating speed of target
Between the error amount；
A=| r1-r0| (2)
Wherein, the r1Characterize the current rotating speed；The r0Characterize the rotating speed of target；The a characterizes the error
Value.
It is above-mentioned that when difference parameter is error amount, corresponding difference parameter threshold value set in advance is error amount threshold value,
The error amount threshold value can determine according to business need, such as be set as 10.
When above-mentioned rotating speed of target is that adjustment unit performs rotational speed regulation to fan, fan ought to reach Jing after rotational speed regulation
The rotating speed for arriving.Above-mentioned current rotating speed is to be calculated currently according to the corresponding current rotary speed parameter of fan of collecting unit collection
Rotating speed, i.e. fan Jing after rotational speed regulation, the rotating speed for actually reaching.
The absolute value of difference between current rotating speed and rotating speed of target is obtained using formula (2), the absolute value of the difference is just
Error amount.When the relation between calculated error amount and the error amount threshold value of setting is judged, when the error amount is more than error
During value threshold value, abnormality processing is performed.When the relation between calculated error amount and the error amount threshold value of setting is judged, when this
When error amount is less than or equal to error amount threshold value, fan is illustrated Jing after rotational speed regulation, reached its rotating speed that ought to be reached, i.e. fan
Current operating condition it is normal.
For example, error amount threshold value set in advance is 10, it is determined that rotating speed of target be 100r/min, it is calculated current
Rotating speed is 80r/min.It is 20 then to obtain error amount according to formula (2), then judge that the error amount 20 for calculating is greater than error
Value threshold value 10, then illustrate the problems such as fan there may be voltage pulsation, air channel and block, it is therefore desirable to perform abnormality processing.
The abnormality processing can include the alarm device outside triggering, so that the alarm device of outside performs warning.Wherein,
Alarm device can include buzzer and/or alarm lamp；Buzzer, for when triggering is received, sounding；Alarm lamp, is used for
It is shinny when triggering is received.Business personnel can be according to warning abnormal conditions of process in time, so that fan is timely entered just
Normal operating condition.
According to above-described embodiment, processing unit can calculate the error amount between current rotating speed and rotating speed of target, due to this
Error amount reflection is the situation of current offspeed rotating speed of target, therefore can in time find fan reality by the error amount
The abnormal conditions of rotating speed miss the mark rotating speed.
In detail, correspondence aforesaid way B：
In an embodiment of the invention, the difference parameter, including：Variance rate；
The processing unit 103, is further used for, according to formula (3), calculating the current rotating speed and the rotating speed of target
Between the variance rate；
Wherein, the r1Characterize the current rotating speed；The r0Characterize the rotating speed of target；The b characterizes the difference
Rate.
When above-mentioned difference parameter is variance rate, corresponding difference parameter threshold value set in advance is variance rate threshold value, should
Error amount threshold value can determine according to business need, such as be set as 10%.
Above-mentioned rotating speed of target is corresponding rotating speed when adjustment unit performs rotational speed regulation to fan.Above-mentioned current rotating speed
It is that current rotating speed is calculated according to the corresponding current rotary speed parameter of fan of collecting unit collection.It is poor using formula (3)
Different rate.When the relation between calculated variance rate and the variance rate threshold value of setting is judged, when the variance rate is more than variance rate
During threshold value, abnormality processing is performed.When the relation between calculated variance rate and the variance rate threshold value of setting is judged, when the difference
When different rate is less than or equal to variance rate threshold value, illustrate that the current operating condition of fan is normal.
For example, variance rate threshold value set in advance is 10%, the rotating speed of target determined when the temperature of server is 40 DEG C
For 100r/min, calculated current rotating speed is 80r/min.It is 20% then to obtain error amount according to formula (2), then judge
The variance rate for calculating 20% is greater than variance rate threshold value 10%, then illustrate that fan there may be voltage pulsation, air channel and block up
The problems such as plug.
If in the case of not performing abnormality processing, due to current rotating speed miss the mark rotating speed 100r/min, and being
80r/min.And 80r/min can not make the temperature of server from 40 DEG C of declines, the temperature of server after certain time
50 DEG C may be increased to from 40 DEG C, then the element of server internal is it is possible that damage.Therefore work as and judge to be calculated
Variance rate 20% when being greater than variance rate threshold value 10%, need to perform abnormality processing.So that business personnel can be according to exception
Disposition, maintenance fan is so that fan can return to corresponding rotating speed of target.Occur so as to reduce server internal element
The probability of damage.
According to above-described embodiment, processing unit can calculate the variance rate between current rotating speed and rotating speed of target, due to this
Variance rate reflection is the situation of current offspeed rotating speed of target, therefore can pass through the timely fan actual speed of the error amount
The abnormal conditions of miss the mark rotating speed, so that the timely disposition of business personnel, so as in the device for reducing using fan
There is the probability damaged in element.
As shown in figure 4, embodiments providing a kind of rotation speed of the fan regulation and control method, the method can include：
Step 401：Based on the corresponding rotating speed of target of the ambient parameter for collecting, rotational speed regulation is performed to external fan；
Step 402：Gather the current rotary speed parameter of the fan；
Step 403：According to the current rotary speed parameter, the current rotating speed of the fan is calculated；
Step 404：Judge whether the difference parameter between the current rotating speed and the rotating speed of target exceedes to preset
Difference parameter threshold value, if so, perform abnormality processing；Otherwise, current process is terminated.
Embodiment as shown in Figure 4, by based on the corresponding rotating speed of target of ambient parameter for collecting, holding to external fan
After row rotational speed regulation, the current rotary speed parameter of external fan is gathered；According to current rotary speed parameter is collected, external fan is calculated
Current rotating speed, and when judging that difference parameter between current rotating speed and rotating speed of target exceedes difference parameter threshold set in advance
During value, abnormality processing is performed.By said process, this programme, can be to fan reality after fan performs rotational speed regulation
Rotational speed regulation situation be monitored, to find the abnormal conditions of fan actual speed miss the mark rotating speed in time, and be directed to
Abnormal conditions make corresponding abnormality processing, therefore the embodiment of the present invention can improve the accuracy of rotation speed of the fan regulation and control.
In an embodiment of the invention, it is that external fan is transported in stable to ensure the current rotary speed parameter for collecting
The rotary speed parameter of row state, the current rotary speed parameter of the collection fan can include：With the execution of the rotational speed regulation
Time started is initial time, when the very first time interval set in advance corresponding termination time is reached, gathers the fan
Current rotary speed parameter.
In an embodiment of the invention, it is that external fan is transported in stable to ensure the current rotary speed parameter for collecting
The rotary speed parameter of row state, the current rotary speed parameter of the collection fan, including：According between the second time set in advance
Every gathering the rotary speed parameter of the fan in each described second time interval successively；Determining that at least two is adjacent
In second time interval, when the rotary speed parameter that collected is equal, determine that the equal rotary speed parameter is the fan
Current rotary speed parameter.
In an embodiment of the invention, the current rotary speed parameter of the collection fan, including：Work as infrared sensor
In infrared transmission module transmitting when having infrared signal, determine in arbitrary first time period, it is infrared in the infrared sensor
Receiver module does not receive first number of the infrared signal；
Further include：Predefine the first quantity of the blade in the fan；
The current rotary speed parameter includes：The first time period, first number, first quantity.
In an embodiment of the invention, the current rotating speed for calculating the fan can include：Using formula (1),
Calculate the current rotating speed of the fan；
Wherein, the r characterizes the current rotating speed of the fan；The n characterizes first number；The m characterizes described
First quantity；The t characterizes the first time period.
In an embodiment of the invention, when the difference parameter includes error amount, further include：According to formula
(2) error amount between the current rotating speed and the rotating speed of target, is calculated；
A=| r1-r0| (2)
Wherein, the r1Characterize the current rotating speed；The r0Characterize the rotating speed of target；The a characterizes the error
Value.
In an embodiment of the invention, when the difference parameter includes variance rate, further include：According to formula
(3) variance rate between the current rotating speed and the rotating speed of target, is calculated；
Wherein, the r1Characterize the current rotating speed；The r0Characterize the rotating speed of target；The b characterizes the difference
Rate.
The contents such as the information exchange between each unit, implementation procedure in said apparatus, due to implementing with the inventive method
Example is based on same design, and particular content can be found in the narration in the inventive method embodiment, and here is omitted.
Below so that, using the temperature value in fan control rack, wherein Smart Rack racks are used in Smart Rack racks
As a example by placement server.Launch explanation rotation speed of the fan regulation and control method, as shown in figure 5, the rotation speed of the fan regulation and control method can be wrapped
Include following steps：
Step 501：Determine blade quantity, setting time interval, the setting first in the fan in Smart Rack racks
Time period, setting and set the corresponding rotating speed of each temperature value at error amount threshold value.
In this step error amount threshold value can determine according to business need, such as be set as 10.
In this step according to specifically from fan determining, such as the fan selected includes 3 to the blade quantity in fan
Individual blade.
The time interval for setting in this step can determine different time values according to concrete business need, such as 3 points
Clock.The first time period for setting as infrared sensor gathers the time period that current rotary speed parameter needs, can be according to concrete business
Require to determine, such as 5 minutes.
The corresponding rotating speed of each temperature value can be determined according to specific business need in this step, such as be set：
It is 80r/min that temperature value is 10 DEG C to 20 DEG C corresponding rotating speeds；It is 120r/min that temperature value is 21 DEG C to 40 DEG C corresponding rotating speeds.
Step 502：Current temperature value in collection Smart Rack racks.
The current temperature value gathered in this step in Smart Rack racks can be completed by temperature sensor, such as
The temperature value for collecting is 30 DEG C.
Step 503：According to the corresponding rotating speed of each temperature value of setting, determine that the corresponding target of current temperature value turns
Speed.
In step, according to each temperature value that sets in step 501 of current temperature value gathered in step 502 and
In the corresponding relation of rotating speed, determine that the corresponding rotating speed of current temperature value is rotating speed of target.It can be seen that 30 DEG C of corresponding rotating speeds are
120r/min, it is determined that 120r/min is rotating speed of target.
Step 504：Based on a determination that rotating speed of target, to fan perform rotational speed regulation.
In this step, rotational speed regulation is performed to fan using 120r/min.
Step 505：The execution time started with rotational speed regulation as initial time, when reaching time interval pair set in advance
During the termination time answered, determine in first time period, the infrared receiving module in infrared sensor does not receive infrared signal
First number.
In detail, infrared sensor can include infrared transmission module and infrared receiving module.Wherein, infrared transmission module
All the time infrared signal is launched, corresponding, infrared receiving module receives the infrared signal.
Based on the setting of infrared sensor and the additional space position of fan, in fan rotation process, the fan blade rotating of fan
When moving to certain position, the infrared signal launched can be stopped, so that infrared receiving module can not receive infrared signal.
Thus, in certain period of time, infrared receiving module does not receive the number of times of infrared signal, turning for fan can be reflected with corresponding
Speed.
In this step, when the execution rotational speed regulation time started such as 8:00 is initial time, is set in step 501 when reaching
The fixed 3 minutes corresponding termination time 8 of time interval:It is infrared using the infrared transmission module transmitting in infrared sensor when 03
Signal, determines 5 minutes in, and the infrared receiving module in infrared sensor does not receive first number of infrared signal, such as
1500 times.
Step 506：According to first number, blade quantity and first time period, the current rotating speed of fan is calculated.
In this step, calculating the current rotating speed of fan can utilize above-mentioned formula (1), calculate the current rotating speed of fan.
The for gathering in the blade quantity 3 determined in step 501, the first time period 5 minutes of setting and step 503
Number 1500 times, it is 100r/min to substitute into formula (1) and be calculated the current rotating speed of fan.
Step 507：Judge whether the error amount between current rotating speed and rotating speed of target exceedes error amount threshold set in advance
Value, if so, performs abnormality processing；Otherwise, current process is terminated.
In detail, according to above-mentioned formula (2), can calculate between current rotating speed 100r/min and rotating speed of target 120r/min
Error amount.
It is 20 that current rotating speed 100r/min and rotating speed of target 120r/min substitute into formula (2) to be obtained error amount, due to by mistake
Difference 20 alreadys exceed error amount threshold value 10, therefore can perform abnormality processing.
Certainly, if it is determined that error amount is not less than the error amount threshold value for setting, then terminate current process.
In detail, the abnormality processing can include the alarm device outside triggering, so that the alarm device of outside performs report
It is alert.Wherein, alarm device can include buzzer and/or alarm lamp；Buzzer, for when triggering is received, sounding；Report to the police
Lamp, it is shinny for when triggering is received.Business personnel can be processed fan and existed according to warning abnormal conditions of process in time
The problems such as voltage pulsation, air channel block, so that fan timely enters normal operating condition, it is to avoid in Smart Rack racks
Server in each element, such as CPU, hard disk occur damage situation.
In sum, each embodiment of the invention can at least realize following beneficial effect：
1st, in embodiments of the present invention, the rotation speed of the fan regulation device includes：Adjustment unit, collecting unit and process are single
Unit；Wherein, collecting unit is performed to external fan and turned in adjustment unit based on the corresponding rotating speed of target of ambient parameter for collecting
After velocity modulation section, the current rotary speed parameter of external fan is gathered；Processing unit collects current rotary speed parameter according to collecting unit,
The current rotating speed of external fan is calculated, and is preset when judging that the difference parameter between current rotating speed and rotating speed of target exceedes
Difference parameter threshold value when, perform abnormality processing.By said process, this programme, can after fan performs rotational speed regulation
It is monitored with the rotational speed regulation situation actual to fan, to find the exception of fan actual speed miss the mark rotating speed in time
Situation, and corresponding abnormality processing is made for abnormal conditions, therefore the present invention can improve the accuracy of rotation speed of the fan regulation and control.
2nd, in embodiments of the present invention, because collecting unit is in the corresponding setting of adjustment unit execution rotational speed regulation
Between be spaced after, just start the current rotary speed parameter for gathering fan, therefore the current rotary speed parameter for collecting is in for fan
Corresponding rotary speed parameter in the case of stabilized (steady-state) speed, therefore the current rotary speed parameter for collecting can truly reflect the current of fan
Rotating speed.
3rd, in embodiments of the present invention, collecting unit gathers successively turning for each time interval internal fan set in advance
Fast parameter, only determine have that the rotary speed parameter that collects is equal at least two adjacent time intervals when, it is just true
The fixed equal rotary speed parameter is the current rotary speed parameter of fan.Its rotary speed parameter ability during due to only having fan to be in stabilized (steady-state) speed
In an equal value, therefore rotary speed parameter can truly reflect the current rotating speed of fan before deserving.
4th, in embodiments of the present invention, collecting unit can include infrared sensor, by infrared in infrared sensor
Between the IR signal reception interface of the infrared receiving module penetrated in the infrared signal emission interface and infrared sensor of module
Line, is placed on the position contacted with fan blade so that infrared receiving module can determine it is interior over any time period, not
Receive infrared transmission module transmitting infrared signal number of times, therefore can improve infrared sensor collection fan work as forward
The accuracy of fast parameter.
5th, in embodiments of the present invention, processing unit can utilize the time in the current rotary speed parameter of collecting unit collection
Quantity in section corresponding with the time period numerical value and fan Leaf is calculated the current rotating speed of fan, due to what is calculated
Current rotating speed combines the parameters such as the quantity in corresponding with the time period numerical value and fan Leaf of time period, therefore deserves
Front rotating speed can truly reflect actual speed of the fan within the time period.
6th, in embodiments of the present invention, processing unit can calculate the error amount between current rotating speed and rotating speed of target, by
In the error amount reflection is the situation of current offspeed rotating speed of target, therefore can in time find fan by the error amount
The abnormal conditions of actual speed miss the mark rotating speed.
7th, in embodiments of the present invention, processing unit can calculate the variance rate between current rotating speed and rotating speed of target, by
In the variance rate reflection is the situation of current offspeed rotating speed of target, therefore can pass through the timely fan reality of the error amount
The abnormal conditions of rotating speed miss the mark rotating speed, so that the timely disposition of business personnel, so as to reduce using the device of fan
In element occur damage probability.
It should be noted that herein, such as first and second etc relational terms are used merely to an entity
Or operation makes a distinction with another entity or operation, and not necessarily require or imply presence between these entities or operation
Any this actual relation or order.And, term " including ", "comprising" or its any other variant are intended to non-
Exclusiveness is included, so that a series of process, method, article or equipment including key elements not only includes those key elements,
But also including other key elements being not expressly set out, or also include solid by this process, method, article or equipment
Some key elements.In the absence of more restrictions, the key element for being limited by sentence " including ", does not arrange
Except also there is other same factor in including the process of the key element, method, article or equipment.
One of ordinary skill in the art will appreciate that：Realizing all or part of step of said method embodiment can pass through
Completing, aforesaid program can be stored in the storage medium of embodied on computer readable the related hardware of programmed instruction, the program
Upon execution, the step of including said method embodiment is performed；And aforesaid storage medium includes：ROM, RAM, magnetic disc or light
Disk etc. is various can be with the medium of store program codes.
It is last it should be noted that：Presently preferred embodiments of the present invention is the foregoing is only, the skill of the present invention is merely to illustrate
Art scheme, is not intended to limit protection scope of the present invention.All any modifications made within the spirit and principles in the present invention,
Equivalent, improvement etc., are all contained in protection scope of the present invention.
Claims (10)
1. a kind of rotation speed of the fan regulation device, it is characterised in that include：Adjustment unit, collecting unit and processing unit；Wherein,
The adjustment unit, for based on the corresponding rotating speed of target of ambient parameter for collecting, performing rotating speed to external fan and adjusting
Section；
The collecting unit, for gathering the current rotary speed parameter of the fan；
The processing unit, for according to the current rotary speed parameter, calculating the current rotating speed of the fan；Judge described current
Whether the difference parameter between rotating speed and the rotating speed of target exceedes difference parameter threshold value set in advance, if so, performs exception
Process.
2. device according to claim 1, it is characterised in that
The collecting unit, specifically for performing the rotational speed regulation time started as initial time with the adjustment unit, when
When reaching the very first time interval set in advance corresponding termination time, the current rotary speed parameter of the fan is gathered；
Or,
The collecting unit, specifically for according to the second time interval set in advance, gather successively each described second when
Between interval in the fan rotary speed parameter；Determining at least two adjacent second time intervals, collected
Rotary speed parameter it is equal when, determine the current rotary speed parameter that the equal rotary speed parameter is the fan.
3. device according to claim 1, it is characterised in that
The collecting unit includes：Infrared sensor；Wherein, the infrared sensor includes：Infrared transmission module and infrared connect
Receive module；
For the infrared signal emission interface of the infrared transmission module connects with the IR signal reception of the infrared receiving module
Line between mouthful, the line is misaligned with the rotation shaft centre line of the fan, and the line and the fan turn
The distance of moving axis centreline space is not more than the radius of the blade edge rotary motion trace of the fan；
The infrared transmission module, for launching infrared signal；
The infrared receiving module, for determining in arbitrary first time period, the first time of the infrared signal not received
Number；
The processing unit, is further used for predefining the first quantity of the blade in the fan；
The current rotary speed parameter includes：The first time period, first number, first quantity.
4. device according to claim 3, it is characterised in that
The processing unit, specifically for according to the current rotary speed parameter, using the first formula, calculating the current of the fan
Rotating speed；
First formula includes：
Wherein, the r characterizes the current rotating speed of the fan；The n characterizes first number；The m characterizes described first
Quantity；The t characterizes the first time period.
5. according to arbitrary described device in Claims 1-4, it is characterised in that
The difference parameter, including：Error amount；
The processing unit, is further used for, according to the second formula, calculating between the current rotating speed and the rotating speed of target
The error amount；
Second formula includes：
A=| r1-r0|
Wherein, the r1Characterize the current rotating speed；The r0Characterize the rotating speed of target；The a characterizes the error amount；
Or,
The difference parameter, including：Variance rate；
The processing unit, is further used for, according to the 3rd formula, calculating between the current rotating speed and the rotating speed of target
The variance rate；
3rd formula includes：
Wherein, the r1Characterize the current rotating speed；The r0Characterize the rotating speed of target；The b characterizes the variance rate.
6. a kind of rotation speed of the fan regulates and controls method, it is characterised in that based on the corresponding rotating speed of target of the ambient parameter for collecting, externally
Portion's fan performs rotational speed regulation；Also include：
Gather the current rotary speed parameter of the fan；
According to the current rotary speed parameter, the current rotating speed of the fan is calculated；
Judge whether the difference parameter between the current rotating speed and the rotating speed of target exceedes difference parameter threshold set in advance
Value, if so, performs abnormality processing.
7. method according to claim 6, it is characterised in that
The current rotary speed parameter for gathering the fan, including：During with the execution time started of the rotational speed regulation as starting
Between, when the very first time interval set in advance corresponding termination time is reached, gather the current rotary speed parameter of the fan；
Or,
The current rotary speed parameter for gathering the fan, including：According to the second time interval set in advance, gather successively every
The rotary speed parameter of the fan in one second time interval；Determining between at least two adjacent second times
Every interior, when the rotary speed parameter that collected is equal, the current rotary speed parameter that the equal rotary speed parameter is the fan is determined.
8. method according to claim 6, it is characterised in that the current rotary speed parameter of the collection fan, including：
When the infrared transmission module transmitting in infrared sensor has infrared signal, determine in arbitrary first time period, it is described red
Infrared receiving module in outer sensor does not receive first number of the infrared signal；
Further include：Predefine the first quantity of the blade in the fan；
The current rotary speed parameter includes：The first time period, first number, first quantity.
9. method according to claim 8, it is characterised in that the current rotating speed of the calculating fan, including：
Using the first formula, the current rotating speed of the fan is calculated；
First formula includes：
Wherein, the r characterizes the current rotating speed of the fan；The n characterizes first number；The m characterizes described first
Quantity；The t characterizes the first time period.
10. according to arbitrary described method in claim 6 to 9, it is characterised in that
The difference parameter, including：Error amount；
Further include：
According to the second formula, the error amount between the current rotating speed and the rotating speed of target is calculated；
Second formula includes：
A=| r1-r0|
Wherein, the r1Characterize the current rotating speed；The r0Characterize the rotating speed of target；The a characterizes the error amount；
Or,
The difference parameter, including：Variance rate；
Further include：
According to the 3rd formula, the variance rate between the current rotating speed and the rotating speed of target is calculated；
3rd formula includes：
Wherein, the r1Characterize the current rotating speed；The r0Characterize the rotating speed of target；The b characterizes the variance rate.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611218425.5A CN106593901A (en) | 2016-12-26 | 2016-12-26 | Fan rotation speed regulating and control device and method |
| PCT/CN2017/093620 WO2018120782A1 (en) | 2016-12-26 | 2017-07-20 | Fan speed regulating device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611218425.5A CN106593901A (en) | 2016-12-26 | 2016-12-26 | Fan rotation speed regulating and control device and method |
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| Publication Number | Publication Date |
|---|---|
| CN106593901A true CN106593901A (en) | 2017-04-26 |
Family
ID=58604246
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611218425.5A Pending CN106593901A (en) | 2016-12-26 | 2016-12-26 | Fan rotation speed regulating and control device and method |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106593901A (en) |
| WO (1) | WO2018120782A1 (en) |
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| WO2018120782A1 (en) * | 2016-12-26 | 2018-07-05 | 郑州云海信息技术有限公司 | Fan speed regulating device and method |
| CN109899310A (en) * | 2019-02-28 | 2019-06-18 | 苏州浪潮智能科技有限公司 | A kind of rotation speed of the fan detection method, system, equipment and computer storage medium |
| WO2019113856A1 (en) * | 2017-12-13 | 2019-06-20 | 深圳市飓风智云科技有限公司 | Smart fan-state real-time detection system and method |
| CN111706538A (en) * | 2020-06-09 | 2020-09-25 | 深圳市汇川技术股份有限公司 | Fan protection method, device, equipment and computer storage medium |
| CN114136605A (en) * | 2021-12-07 | 2022-03-04 | 珠海格力电器股份有限公司 | Fascia gun life monitoring method and device and fascia gun |
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| CN113586223B (en) * | 2021-08-27 | 2022-11-29 | 潍柴动力股份有限公司 | Rotating speed control method and device of electric control silicone oil fan and vehicle |
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| WO2018120782A1 (en) | 2018-07-05 |
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