CN101915246A - Box-shaped network equipment and blower control method thereof - Google Patents

Box-shaped network equipment and blower control method thereof Download PDF

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Publication number
CN101915246A
CN101915246A CN2010102386963A CN201010238696A CN101915246A CN 101915246 A CN101915246 A CN 101915246A CN 2010102386963 A CN2010102386963 A CN 2010102386963A CN 201010238696 A CN201010238696 A CN 201010238696A CN 101915246 A CN101915246 A CN 101915246A
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blower fan
control module
temperature
current
blower
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袁明
任立立
程宁
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ZTE Corp
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ZTE Corp
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Priority to CN2010102386963A priority Critical patent/CN101915246A/en
Priority to PCT/CN2010/077403 priority patent/WO2012009879A1/en
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16Constructional details or arrangements
    • G06F1/20Cooling means

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  • Theoretical Computer Science (AREA)
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  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

The invention discloses box-shaped network equipment and a blower control method thereof. The box-shaped network equipment comprises at least one broadband control module, at least one temperature sensor, at least one narrowband control module, at least one detection circuit, a blower control module and a plurality of blowers, wherein each temperature sensor is used for measuring the current temperature corresponding to each broadband control module, each detection circuit is used for detecting the current bearing load corresponding to each narrowband control module, and the blower control module is used for controlling the operation of the plurality of blowers according to the current temperature and the current bearing load. The invention improves the reliability and the accuracy of blower control.

Description

Box-shaped network equipment and blower control method thereof
Technical field
The present invention relates to the communications field, in particular to a kind of box-shaped network equipment and blower control method thereof.
Background technique
For box-shaped network equipment, when the portfolio of using when equipment is big, components and parts power consumption on the circuit board of device interior increases, can cause the device interior temperature rise too high, particularly when the equipment ambient temperature is very high, can influence the ride quality of equipment, therefore need strengthen the heat radiation of equipment by blower fan.And, consider from the angle of equipment reliability, wish that all blower fans keep operation, thereby it is good to dispel the heat under any user mode, but the whole operations of all blower fans will inevitably make the noise of equipment and energy consumption increase, and can introduce more dust etc.Therefore, in box-shaped network equipment, need the blower fan in the blower fan group is moved control, to reach the optimization of energy-saving and cost-reducing, dust control and noise absorption and heat dissipation design.
Box-shaped network equipment mainly comprises broadband control module and arrowband control module, heat is mainly produced by these two modules, the main task of radiating treatment is exactly in time to take away the heat that broadband control module and arrowband control module produce, and the temperature of element is controlled in the range of operation steady in a long-term of permission.
At present, most box-shaped network equipment adopts air-cooled technology, by one group of blower fan the circuitry plate is forced cooling, and the heat dissipation potential of regulating blower fan by the rotating speed of regulating blower fan.The radiation system that adopts fan speed regulation generally according to the sampled value of the temperature transducer foundation as the blower fan given rotating speed, when the sampled value of temperature transducer rises, improves the rotating speed of blower fan; Otherwise, the rotating speed of reduction blower fan.
But there is following problem in said method:
(1) only controls the operation of blower fan, thereby make that the control of blower fan is not accurate enough according to temperature.
(2) because fan speed regulation needs certain hardware circuit support, as PWM (pulsewidth modulation) alignment circuit that adopts in the blower fan stepless speed regulation etc., the hardware circuit that is used for speed governing can increase equipment cost when taking the device space.
(3) all blower fans still are in running state in the fan speed regulation, thereby can accelerate to shorten fan life.
Summary of the invention
Main purpose of the present invention is to provide a kind of box-shaped network equipment and blower control method thereof, solving the above-mentioned operation of blower fan of only controlling according to temperature at least, thereby makes the not accurate enough problem of control of blower fan.
According to an aspect of the present invention, a kind of box-shaped network equipment is provided, comprise: at least one broadband control module, at least one temperature transducer, at least one arrowband control module, at least one testing circuit, blower fan control module and a plurality of blower fan, wherein: each temperature transducer at least one temperature transducer is used for measuring the current temperature of the corresponding broadband control module of at least one broadband control module; Each testing circuit at least one testing circuit is used for detecting the corresponding current loaded service amount of arrowband control module of at least one arrowband control module; The blower fan control module is used for controlling the operation of a plurality of blower fans according to current temperature and current loaded service amount.
According to a further aspect in the invention, provide a kind of blower control method of box-shaped network equipment, having comprised: the current temperature of the broadband control module of temperature sensor measurement correspondence; Testing circuit detects the corresponding current loaded service amount of arrowband control module; The blower fan control module is controlled the operation of a plurality of blower fans according to current temperature and current loaded service amount.
By the present invention, as the control foundation, solved the not accurate enough problem of control of the blower fan that exists in the correlation technique, thereby improved the reliability and the accuracy of blower fan control with two kinds of parameters of portfolio of the temperature of broadband control module and arrowband control module.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the schematic representation according to the box-shaped network equipment of the embodiment of the invention;
Fig. 2 is the schematic representation according to the box-shaped network equipment of first preferred embodiment of the invention;
Fig. 3 is the schematic representation according to the box-shaped network equipment of second preferred embodiment of the invention;
Fig. 4 is the flow chart according to the blower control method of the box-shaped network equipment of the embodiment of the invention;
Fig. 5 is the flow chart of the concrete steps of the blower control method of box-shaped network equipment according to the preferred embodiment of the invention;
Fig. 6 be according to the preferred embodiment of the invention in the box-shaped network equipment blower fan replace the schematic representation of operation by turns.
Embodiment
Hereinafter will describe the present invention with reference to the accompanying drawings and in conjunction with the embodiments in detail.Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.
Fig. 1 is the schematic representation according to the box-shaped network equipment of the embodiment of the invention, this box-shaped network equipment comprises: at least one broadband control module 10 (only showing one situation among Fig. 1), at least one temperature transducer 20 (only showing one situation among Fig. 1), at least one arrowband control module 30 (only showing one situation among Fig. 1), at least one testing circuit 40 (only showing one situation among Fig. 1), blower fan control module 50 and a plurality of blower fan 60, wherein:
Each temperature transducer 20 in above-mentioned at least one temperature transducer 20 is used for measuring the current temperature of a corresponding broadband control module 10 of above-mentioned at least one broadband control module 10;
Each testing circuit 40 in above-mentioned at least one testing circuit 40 is used for detecting a corresponding arrowband control module 30 current loaded service amounts of at least one arrowband control module 30;
Blower fan control module 50 is used for controlling the operation of a plurality of blower fans 60 according to above-mentioned current temperature and above-mentioned current loaded service amount.
In the correlation technique owing to only control the operation of a plurality of blower fans in the box-shaped network equipment according to temperature, thereby make that the control of blower fan is not accurate enough.And in the present embodiment,, solved the not accurate enough problem of control of the blower fan that exists in the correlation technique, thereby improved the reliability and the accuracy of blower fan control as the control foundation with two kinds of parameters of portfolio of the temperature of broadband control module and arrowband control module.
Obviously, in order to measure the current temperature of broadband control module 10 exactly, temperature transducer 20 is arranged near the crucial heater members of broadband control module 10 when reality is implemented, can temperature transducer 20 corresponding broadband control modules 10.Temperature transducer 20 is used to provide the current temperature air feed machine control module collection of broadband control module.
Above-mentioned testing circuit 40 also claims narrow-band user online number testing circuit, and it is integrated on the arrowband control module for the circuit that carries of arrowband control module, is used for providing in real time the current loaded service amount air feed machine control module collection of arrowband control module.Can a testing circuit 40 corresponding to an arrowband control module 30.
When reality was implemented, above-mentioned blower fan control module 50 can realize by software or hardware, when being realized by hardware, can utilize in the box-shaped network equipment existing hardware to realize.As shown in Figure 3, above-mentioned a plurality of blower fans 60 also can be divided into a plurality of blower fan groups, and each blower fan group comprises two blower fans 60 at least.
Preferably, as shown in Figure 2, blower fan control module 50 comprises: acquisition module 502, be used for according to the current temperature of broadband control module 10 and the current loaded service amount of arrowband control module 30, and determine the current number that needs the blower fan of operation in a plurality of blower fans 60; Operational module 504, the blower fan that is used for controlling the numbers that a plurality of blower fans 60 obtain arbitrarily is in running state.
The preferred embodiment provides the specific embodiments of the fan operation in the blower fan control module control box-shaped network equipment.The preferred embodiment decides the quantity of the fan operation of actual demand according to the portfolio size of the temperature of broadband control module and arrowband control module, the number of fan operation just can be few more under the situation that portfolio is more little, ambient temperature is low more, thereby realized dust control and noise absorption, purpose of energy saving.Simultaneously, owing to adapt to the variation of the temperature and the portfolio of equipment by the blower fan quantity of control operation, solved the problem that also can increase equipment cost when the hardware circuit that is used for speed governing in the correlation technique takies the device space, thereby need not the extra additional hardware control circuit that is used for speed governing, saved hardware cost, reduced the hardware occupation space.In addition, because the blower fan in the equipment is not whole operations, help improving fan life under most of state.
Preferably, acquisition module 502 comprises: first searches module, is used to search the table that comprise temperature (T) and fan operation number (N) corresponding relation corresponding with the current loaded service amount of arrowband control module; Second searches module, is used at the table that comprises temperature and fan operation number corresponding relation that finds, and searches the fan operation number corresponding with the current temperature of broadband control module as the above-mentioned current number that needs the blower fan of operation.
The preferred embodiment provides the blower fan control module how to determine the specific embodiments of the number of the current blower fan that need move.According to actual conditions, can set in advance the corresponding relation between different portfolios and the different table (being the above-mentioned table that comprises temperature and fan operation number corresponding relation), after collecting the current temperature T 1 of arrowband control module current loaded service amount P1 and broadband control module, at first, find the table corresponding with P1, as be table 2, then, in table 2, search the fan operation number corresponding again with T1, as be N1, then N1 is the current number that needs the blower fan of operation, and obviously, N1 should be not more than the sum of the blower fan in the box-shaped network equipment.Like this, can determine the current number that needs the blower fan of operation in the box-shaped network equipment apace.
Preferably, first searches module comprises: determination module, when being used for portfolio when the arrowband control module and being online narrow-band user and counting, determine that the online narrow-band user of the current carrying of arrowband control module counts the interval at place, wherein, a plurality of continuous interval that is divided into of each interval maximum narrow-band user number that can carry for the arrowband control module; The 3rd searches module, is used to search and the interval corresponding table of determining that comprises temperature and fan operation number corresponding relation.
In actual applications, the portfolio of arrowband control module can characterize with the quantity of current online narrow-band user.Like this, when reality is implemented, the concrete maximum narrow-band user number that can in advance the arrowband control module can be carried, be designated as UMAX, can be according to demand with [0, UMAX] be divided into a plurality of continuous intervals (as being interval 1-M), each length of an interval degree can be the same or different, each interval corresponding above-mentioned table that comprises temperature and fan operation number corresponding relation.At first, determine the interval at P1 place, as be interval 3, then, find interval 3 pairing tables, as be table 2, search the fan operation number corresponding with T1 again in table 2, as be N1, then N1 is the current number that needs the blower fan of operation, obviously, N1 should be not more than the sum of the blower fan in the box-shaped network equipment.Like this, can determine the current number that needs the blower fan of operation in the box-shaped network equipment apace.
When reality is implemented, in the above-mentioned table that comprises temperature and fan operation number corresponding relation, can be set to the corresponding different fan operation number of different temperature ranges.When different interval corresponding tables had reflected different online narrow-band user quantity, what blower fans were the temperature of corresponding broadband control module need dispel the heat.
Preferably, operational module 504 comprises: Rotation Module, when being used for number (as being N1) when the blower fan of the above-mentioned current needs operation of box-shaped network equipment less than the sum (being designated as NMAX) of blower fan and greater than 0 (promptly needing a blower fan and non-whole fan operation at least), the blower fan of controlling any this number (for N1) in a plurality of blower fans 60 replace by turns and moves.Obviously, when 0<N1<NMAX, alternately by turns in the running, remaining NMAX-N1 blower fan need cut out at N1 blower fan.When N1=0, close whole blower fans, when N1=NMAX, all blower fan all is in running state.Like this, the temperature that can be implemented in the broadband control module is lower, and online narrow-band user number more after a little while, and the blower fan control module is come the variation of adaptive temperature and portfolio by closing at least one blower fan, thereby can further reduce the power consumption of equipment, help prolonging the life-span of blower fan.
For example, have 4 blower fans 60 in the box-shaped network equipment, be designated as blower fan 1-4 respectively, acquisition module 502 is determined the current number N1=2 that needs the blower fan of operation, then operational module 504 can be controlled any 2 blower fans in these 4 blower fans and replaces operation by turns: time in turn between blower fan 1 and blower fan 2, blower fan 1 and blower fan 3, blower fan 1 and blower fan 4, blower fan 2 and blower fan 3, blower fan 2 and blower fan 4, blower fan 3 and blower fan 4, the time that each by turns can fixed interval.
In conjunction with Fig. 1, according to the blower control method of the box-shaped network equipment of the embodiment of the invention as shown in Figure 4, may further comprise the steps:
Step S402, the current temperature of the broadband control module of temperature sensor measurement correspondence;
Step S404, testing circuit detects the corresponding current loaded service amount of arrowband control module;
Step S406, the blower fan control module is controlled the operation of a plurality of blower fans according to current temperature and current loaded service amount.
Preferably, step S406 comprises: the blower fan control module is determined the current number (being designated as N1) that needs the blower fan of operation in above-mentioned a plurality of blower fan according to the current temperature of broadband control module and the current loaded service amount of arrowband control module; The blower fan that the blower fan control module is controlled any the definite number (N1) in above-mentioned a plurality of blower fan is in running state.
Preferably, the blower fan control module is according to current temperature and current loaded service amount, and determine that the current number of the blower fan of operation that needs comprises in above-mentioned a plurality of blower fan: the blower fan control module is searched the table that comprise temperature and fan operation number corresponding relation corresponding with the current loaded service amount of arrowband control module; The blower fan control module is searched the fan operation number corresponding with the current temperature of broadband control module as the current number that needs the blower fan of operation in the table that comprises temperature and fan operation number corresponding relation that finds.
Preferably, when the portfolio of arrowband control module is that online narrow-band user is when counting, the blower fan control module is searched the table that comprise temperature and fan operation number corresponding relation corresponding with the current loaded service amount of arrowband control module and comprised: the blower fan control module determines that the online narrow-band user of above-mentioned current carrying counts the interval at place, wherein, a plurality of continuous interval that is divided into of each interval maximum narrow-band user number that can carry for the arrowband control module; The blower fan control module is searched and the interval corresponding table of determining that comprises temperature and fan operation number corresponding relation.
Preferably, when the number N1 of the current blower fan of determining that needs operation less than the total NMAX of blower fan and greater than 0 the time, the fan operation that the blower fan control module is controlled any institute definite number (N1) in above-mentioned a plurality of blower fan comprises: the blower fan that the blower fan control module is controlled any definite number N1 of institute in above-mentioned a plurality of blower fan replaces to rotate and moves.
Adopt the method for the foregoing description, the online amount detection circuit of user that carries by temperature transducer and arrowband control module does not need extra hardware control circuit as the foundation of blower fan control, has saved the device space, has saved cost.Simultaneously, blower fan is rotated operation control, increased the life-span of blower fan, improved reliability.
The box-shaped network equipment of second preferred embodiment shown in Figure 3 is made up of a broadband control module, a temperature transducer, an arrowband control module, an online number testing circuit of narrow-band user, a blower fan control unit and a blower fan group.Wherein, this blower fan group comprises 4 blower fans, and each blower fan all has start and stop control end or start stop switch.In conjunction with Fig. 3, the blower control method of box-shaped network equipment specifically may further comprise the steps as shown in Figure 5 according to the preferred embodiment of the invention:
Step S502, behind the box-shaped network equipment power-up initializing, all fan operations detect the running state of blower fan, and report fan condition;
The online narrow-band user number of the arrowband control module 30 that the temperature, narrow-band user that step S504, the CPU of blower fan control module 50 receive the broadband control module 10 of temperature transducer 20 samplings detects at line detection circuit 40;
Step S506, CPU judge whether the temperature of broadband control module and online narrow-band user number be unusual, promptly whether exceeds predetermined normal range (NR), if normally then enter step S508, otherwise enter step S514;
Step S508, CPU determines that the online narrow-band user of arrowband control module counts the interval at place, some groups of being divided into of total number of users that described interval provides for box-shaped network equipment (being the maximum narrow-band user number that the arrowband control module can be carried), the corresponding interval of group.For example, box-shaped network equipment can provide 72 road narrow-band users, and it is divided into one group by per 4 road narrow-band users, every group 4 road narrow-band user is 1 interval, promptly interval 1 correspondence, 0~4 road narrow-band user, interval 2 correspondences, 5~8 road narrow-band users, ..., interval 18 correspondences, 68~72 road narrow-band users;
It should be noted that described interval is ready-portioned in advance, each interval narrow-band user number can be the same, also can be different, can carry out interval division according to difficulty or ease and the levels of precision that control realizes.
Step S510 according to the interval of determining among the step S508, is found the number of the current blower fan that need move by the temperature of broadband control module;
Concrete, according to prior division, total narrow-band user number is divided into the N group, be N interval, each interval corresponding one table that comprises temperature and fan operation number corresponding relation (be respectively F1, F2 ..., FN), input variable is the temperature of Wideband module in each table, the fan operation number that promptly different temperature ranges is corresponding different.
It should be noted that each table can be expressed as a piecewise function, it is to be drafted by the temperature rise test result under corresponding different number fan operations and the broadband control module temperature conditions under the number of users interval, different arrowband.
Step S512 according to the blower fan number of the current needs operation that finds, carries out blower fan operation control by turns.Afterwards, turn back to step S502, constantly circulate.
Particularly, as shown in Figure 4, when the blower fan number of needs operation is 0, then closeall blower fan, blower fan is in the state that stops all the time; When the blower fan number of needs operations is 1, time in turn between blower fan 1, blower fan 2, blower fan 3, blower fan then; When the blower fan number of needs operations is 2, time in turn between blower fan 1 and blower fan 2, blower fan 1 and blower fan 3, blower fan 1 and blower fan 4, blower fan 2 and blower fan 3, blower fan 2 and blower fan 4, blower fan 3 and blower fan 4 then; When the blower fan of needs operations is 3, time in turn between blower fan 1 and blower fan 2 and blower fan 3, blower fan 1 and blower fan 2 and blower fan 4, blower fan 1 and blower fan 3 and blower fan 4, blower fan 2 and blower fan 3 and blower fan 4 then.
Step S514 opens all blower fans, promptly guarantees to nonserviceable down, and blower fan is the limit priority of operation all.
From above description, as can be seen, the present invention has realized following technique effect: the online amount detection circuit of user that carries by temperature transducer and arrowband control module does not need extra hardware control circuit as the foundation of blower fan control, has saved the device space and equipment cost.Simultaneously,, increased the life-span of blower fan, improved reliability by blower fan being rotated operation control.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with the general calculation device, they can concentrate on the single computing device, perhaps be distributed on the network that a plurality of computing device forms, alternatively, they can be realized with the executable program-code of computing device, thereby, they can be stored in the storage device and carry out by computing device, and in some cases, can carry out step shown or that describe with the order that is different from herein, perhaps they are made into each integrated circuit module respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (10)

1. a box-shaped network equipment is characterized in that, comprising: at least one broadband control module, at least one temperature transducer, at least one arrowband control module, at least one testing circuit, blower fan control module and a plurality of blower fan, wherein:
Each temperature transducer in described at least one temperature transducer is used for measuring the current temperature of the corresponding broadband control module of described at least one broadband control module;
Each testing circuit in described at least one testing circuit is used for detecting the corresponding current loaded service amount of arrowband control module of described at least one arrowband control module;
Described blower fan control module is used for controlling the operation of described a plurality of blower fans according to described current temperature and described current loaded service amount.
2. box-shaped network equipment according to claim 1 is characterized in that, described blower fan control module comprises:
Acquisition module is used for according to described current temperature and described current loaded service amount, determines the current number that needs the blower fan of operation in described a plurality of blower fan;
Operational module, the blower fan that is used for controlling the described number of described a plurality of blower fans is in running state.
3. box-shaped network equipment according to claim 2 is characterized in that, described acquisition module comprises:
First searches module, is used to search the table that comprise temperature and fan operation number corresponding relation corresponding with described current loaded service amount;
Second searches module, is used at the described table that comprises temperature and fan operation number corresponding relation that finds, and searches the fan operation number corresponding with described current temperature as the described current number that needs the blower fan of operation.
4. box-shaped network equipment according to claim 3 is characterized in that, described first searches module comprises:
Determination module, be used for when described portfolio be that online narrow-band user is when counting, determine that the online narrow-band user of described current carrying counts the interval at place, wherein, each described interval is a plurality of continuous interval that maximum narrow-band user number that described arrowband control module can be carried is divided into;
The 3rd searches module, is used to search and the corresponding described table of determining that comprises temperature and fan operation number corresponding relation in described interval.
5. according to each described box-shaped network equipment in the claim 2 to 4, it is characterized in that described operational module comprises:
Rotation Module, be used for when the number of the blower fan of described current needs operation less than the sum of described blower fan and greater than 0 the time, the blower fan of controlling the described number in described a plurality of blower fan replace by turns and moves.
6. the blower control method of a box-shaped network equipment is characterized in that, comprising:
The current temperature of the broadband control module of temperature sensor measurement correspondence;
Testing circuit detects the corresponding current loaded service amount of arrowband control module;
The blower fan control module is controlled the operation of a plurality of blower fans according to described current temperature and described current loaded service amount.
7. method according to claim 6 is characterized in that, the blower fan control module is according to described current temperature and described current loaded service amount, and the operation of controlling a plurality of blower fans comprises:
Described blower fan control module is determined the current number that needs the blower fan of operation in described a plurality of blower fan according to described current temperature and described current loaded service amount;
The blower fan that described blower fan control module is controlled the described number in described a plurality of blower fan is in running state.
8. method according to claim 7 is characterized in that, described blower fan control module determines that according to described current temperature and described current loaded service amount the current number of the blower fan of operation that needs comprises in described a plurality of blower fan:
Described blower fan control module is searched the table that comprise temperature and fan operation number corresponding relation corresponding with described current loaded service amount;
Described blower fan control module is searched the fan operation number corresponding with described current temperature as the described current number that needs the blower fan of operation in the described table that comprises temperature and fan operation number corresponding relation that finds.
9. method according to claim 8 is characterized in that, when described portfolio is an online narrow-band user when counting, described blower fan control module is searched the table that comprise temperature and fan operation number corresponding relation corresponding with described current loaded service amount and comprised:
Described blower fan control module determines that the online narrow-band user of described current carrying counts the interval at place, and wherein, each described interval is a plurality of continuous interval that maximum narrow-band user number that described arrowband control module can be carried is divided into;
Described blower fan control module is searched and the corresponding described table of determining that comprises temperature and fan operation number corresponding relation in described interval.
10. according to each described method in the claim 7 to 9, it is characterized in that, when the number of the described current blower fan that needs operation less than the sum of described blower fan and greater than 0 the time, the blower fan that described blower fan control module is controlled the described number in described a plurality of blower fan is in running state and comprises:
The blower fan that described blower fan control module is controlled the described number in described a plurality of blower fan replaces operation by turns.
CN2010102386963A 2010-07-22 2010-07-22 Box-shaped network equipment and blower control method thereof Pending CN101915246A (en)

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PCT/CN2010/077403 WO2012009879A1 (en) 2010-07-22 2010-09-28 Cassette network device and fan control method thereof

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CN104454617A (en) * 2014-12-31 2015-03-25 四川长虹欣锐科技有限公司 Multi-path alternating-current fan controller
CN109210688A (en) * 2018-09-20 2019-01-15 广州海科电子科技有限公司 Multi fan clarifier control method and device, clarifier
CN109268300A (en) * 2018-09-20 2019-01-25 广州海科电子科技有限公司 Clarifier multi fan control method, device and clarifier
CN109441864A (en) * 2018-09-04 2019-03-08 深圳市宝德计算机系统有限公司 A kind of server fan control method, device, equipment and computer storage medium
CN114222483A (en) * 2021-12-20 2022-03-22 珠海格力电器股份有限公司 Control method of electric cabinet internal fan and related equipment thereof

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CN104454617A (en) * 2014-12-31 2015-03-25 四川长虹欣锐科技有限公司 Multi-path alternating-current fan controller
CN109441864A (en) * 2018-09-04 2019-03-08 深圳市宝德计算机系统有限公司 A kind of server fan control method, device, equipment and computer storage medium
CN109441864B (en) * 2018-09-04 2020-07-17 深圳市宝德计算机系统有限公司 Server fan control method, device, equipment and computer storage medium
CN109210688A (en) * 2018-09-20 2019-01-15 广州海科电子科技有限公司 Multi fan clarifier control method and device, clarifier
CN109268300A (en) * 2018-09-20 2019-01-25 广州海科电子科技有限公司 Clarifier multi fan control method, device and clarifier
CN114222483A (en) * 2021-12-20 2022-03-22 珠海格力电器股份有限公司 Control method of electric cabinet internal fan and related equipment thereof

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