CN101819457A - Heat dissipation method and heat dissipation system for communication equipment - Google Patents
Heat dissipation method and heat dissipation system for communication equipment Download PDFInfo
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- CN101819457A CN101819457A CN201010154205A CN201010154205A CN101819457A CN 101819457 A CN101819457 A CN 101819457A CN 201010154205 A CN201010154205 A CN 201010154205A CN 201010154205 A CN201010154205 A CN 201010154205A CN 101819457 A CN101819457 A CN 101819457A
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- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
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Abstract
The embodiment of the invention discloses a heat dissipation method and a heat dissipation system for communication equipment for improving the heat dissipation reliability under the condition of reducing the heat dissipation energy consumption of the communication equipment, and relates to the field of communication equipment. The method comprises the following steps of: acquiring temperature of a heat subarea inside the communication equipment; calculating a heat dissipation parameter of a heat dissipation unit in the heat subarea according to the acquired temperature and the associated configuration of the heat subarea and other subareas; and performing heat dissipation on the heat dissipation unit in the heat subarea according to the heat dissipation parameter. Corresponding to the heat dissipation method for the communication equipment, the embodiment of the invention also provides the heat dissipation system for the communication equipment. The heat dissipation system comprises a temperature acquisition unit, a control unit and the heat dissipation unit, wherein the control unit is used for calculating the heat dissipation parameter of the heat dissipation unit in the heat subarea according to the acquired temperature and the associated configuration of the heat subarea and other subareas. The method and the system are used for heat dissipation of the communication equipment.
Description
Technical field
The present invention relates to communication equipment field, more specifically, relate to a kind of heat dissipating method and cooling system of communication facilities.
Background technology
Develop rapidly along with semiconductor technology, promoted the continuous progress of communication facilities at aspects such as function, performances, brought huge challenge also for simultaneously communications equipment manufacturer and operator: along with the hardware complexity increase of equipment, the power consumption of equipment is also more and more higher, and the distribute power of device interior is also increasing with the distributional differenceization of business.Communication facilities one big characteristics are that Overall Power Consumption is big, the reliability requirement height.
The technical scheme of in the prior art scheme, communication facilities being dispelled the heat and being adopted, be that fan is carried out the speed governing management, promptly according to the device interior temperature conditions, the rotating speed of dynamic adjustment equipment internal fan, under the prerequisite that satisfies heat radiation, make fan always work in slow-speed of revolution pattern, and reduce from the energy consumption that makes fan, reduce the power consumption of equipment.When communication facilities dispelled the heat in the prior art, the method that fan speed-regulating administrative institute is adopted was for to carry out hot subregion to device interior, and equipment carries out independently fan speed-regulating according to hot subregion to each hot subregion and controls.Fan in the same hot subregion is unified speed governing, rotation speed of the fan between hot subregion and the hot subregion does not interrelate, can make the high hot subregion internal fan of temperature be operated in high-speed state like this, the hot subregion that temperature is low and do not have the hot subregion internal fan of veneer setting to be operated in low speed state, as shown in Figure 1.Like this, the quantity of configuration veneer is fewer when just activating the service usually on communication facilities, inner some the hot subregion of communication facilities this moment does not have veneer, some hot subregion veneer negligible amounts, division power is less than normal, so this moment, the cooling system of communication facilities just can be realized the differentiation speed governing according to the energy consumption of subregion, realized energy saving of system.
But in the technique scheme, the inventor finds that there is following shortcoming in technique scheme, adopting fully independently to each hot subregion, speed regulating control exists very big risk: because of the speed governing of heat-sink unit in the hot subregion only can be satisfied the self-radiating demand, but when high temperature or high temperature alarm appear in hot subregion, the fan speed-regulating of this subregion has certain limitation, only rely on the fan of this subregion can not guarantee the radiating requirements of this subregion, reduced the reliability of heat radiation.
Summary of the invention
The embodiment of the invention provides a kind of heat dissipating method of communication facilities, can improve the heat radiation reliability under the heat radiation energy consumption reduction situation of communication facilities.
The heat dissipating method of the communication facilities that the embodiment of the invention provides, adopt following technical scheme:
Communication facilities internal heat subregion is carried out temperature acquisition;
By the associated configuration of the temperature of being gathered and described hot subregion and other subregions, calculate the radiation parameter of heat-sink unit in the described hot subregion;
Heat-sink unit dispels the heat according to described radiation parameter in the described hot subregion.
Corresponding with said method, embodiments of the invention also provide a kind of cooling system of communication facilities, comprising:
Temperature collecting cell is used for communication facilities internal heat subregion is carried out temperature acquisition;
Control module is used for the associated configuration by the temperature of being gathered and described hot subregion and other subregions, calculates the radiation parameter of heat-sink unit in the described hot subregion;
Heat-sink unit is used for dispelling the heat according to the described radiation parameter that control module issues.
The heat dissipating method of the communication facilities that the embodiment of the invention provides and the cooling system of communication facilities, after hot subregion carried out temperature acquisition, calculate the radiation parameter of heat-sink unit in the described hot subregion, the radiation parameter of the described hot subregion of temperature effect of other subregions by the associated configuration of the temperature of being gathered and described hot subregion and other subregions.It is required to make the heat-sink unit of this hot subregion can not only satisfy the heat radiation of this subregion, and can influence and assist hot subregion associated therewith to dispel the heat, and guarantees the efficient and the reliability of heat radiation.Like this,, can transfer other subregions assistance heat radiations that have associated configuration with this subregion, guarantee the demand of heat radiation, improve the reliability of dispelling the heat even when high temperature or high temperature alarm appear in a hot subregion.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the invention, to do to introduce simply to the accompanying drawing of required use among the embodiment below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is a prior art rotation speed of the fan synoptic diagram;
Fig. 2 is the embodiment of the invention one a communication facilities internal heat dissipating method flow diagram;
Fig. 3 is the embodiment of the invention two communication facilities internal heat dissipating method flow diagrams;
Fig. 4 is the embodiment of the invention two temperature and rotation speed relation synoptic diagram;
Fig. 5 is hot subregion 0 temperature of the embodiment of the invention two heat-sink unit rotating speed synoptic diagram when rising;
Fig. 6 is hot subregion 0 temperature of the embodiment of the invention two heat-sink unit rotating speed synoptic diagram when descending;
Fig. 7 is the embodiment of the invention three temperature warning heat-sink unit rotating speed synoptic diagram;
Fig. 8 loses heat-sink unit rotating speed synoptic diagram for the embodiment of the invention four temperature acquisitions;
Fig. 9 is embodiment of the invention five-way letter equipment cooling method flow diagram;
Figure 10 embodiment of the invention six communication facilities cooling system block diagrams;
Figure 11 is a heat-sink unit quantity key diagram in the embodiment of the invention six communication facilitiess;
Figure 12 is the embodiment of the invention six communication facilities cooling system structural representations.
Embodiment
The present invention aims to provide a kind of heat dissipating method and cooling system of communication facilities, can improve the heat radiation reliability under the heat radiation energy consumption reduction situation of communication facilities.
Embodiment one
Referring to Fig. 2, the heat dissipating method of embodiment of the invention communication facilities comprises the steps:
S1, communication facilities internal heat subregion is carried out temperature acquisition.
Communication facilities inside is divided into a plurality of hot subregions.The embodiment of the invention does not limit the partition method to communication facilities.The embodiment of the invention can be carried out hot subregion to communication facilities according to the distribution of slot in the communication facilities, or carry out hot subregion, or be to carry out hot subregion according to the distance of the internal module of communication facilities according to the simulation or the actual distribution situation of communication facilities heat in operational process.Each hot subregion is arranged at least one temperature acquisition point, comprises at least one heat-sink unit in each hot subregion, and described heat-sink unit can be fan or cooling fan, and device interior carries out temperature acquisition to each temperature acquisition point at interval according to regular time.
S2, by the hot subregion temperature of being gathered and the associated configuration of described hot subregion and other subregions, calculate the radiation parameter of heat-sink unit in the described hot subregion.
The associated configuration of hot subregion and other subregions has been indicated the influence degree of other subregions to described hot subregion heat radiation, and this influence degree can be based on experience or based on to the calorimetric analysis between the hot subregion.For example set two coefficients relations between the subregion, determine the size of this coefficient with the distance of hot subregion distance, the radiation parameter influence between big more two the hot subregions of coefficient is big more.The final radiation parameter of hot subregion not only depends on the temperature of this subregion, also depend in advance the configuration and the temperature of other hot subregions simultaneously, it is required to make the radiation parameter of a hot subregion can not only satisfy the heat radiation of this subregion, and can influence and assist hot subregion associated therewith.Wherein, described radiation parameter can be the rotating speed of fan, or the power of fan and other parameter that can quantize heat-sinking capability.
Heat-sink unit dispels the heat according to described radiation parameter in S3, the described hot subregion.
Heat-sink unit is the execution unit of device interior heat radiation, and the interior heat-sink unit of hot subregion can be made up of one or more groups fan.Heat-sink unit carries out work according to described radiation parameter, thereby communication facilities is dispelled the heat.
The heat dissipating method of the communication facilities that the embodiment of the invention provides, it is required to make the heat-sink unit of this hot subregion can not only satisfy the heat radiation of this subregion, and can influence and assist hot subregion associated therewith to dispel the heat, and guarantees the efficient and the reliability of heat radiation.Like this,, can transfer other subregions assistance heat radiations that have associated configuration with this subregion, guarantee the demand of heat radiation, improve the reliability of dispelling the heat even when high temperature or high temperature alarm appear in a hot subregion.
Embodiment two
The embodiment of the invention is that embodiment one more specifically illustrates based on embodiment one, and as shown in Figure 3, the heat dissipating method of the communication facilities that the embodiment of the invention provides specifically comprises the steps:
S11, the hot subregion of device interior is carried out temperature acquisition.
According to interior veneer of communication equipment quantity communication facilities is divided into a plurality of hot subregions, each hot subregion comprises at least one veneer, and each veneer comprises at least one temperature acquisition point.The embodiment of the invention adopts fan as heat-sink unit, and each hot subregion comprises a plurality of fans, and the rotating speed of fan is as radiation parameter.
The temperature value of gathering is corresponded to tachometer value, particularly, as shown in Figure 4, simulate the higher limit and the lower limit of the speed governing of local area heat-sink unit according to the heat-sinking capability of each hot subregion self, wherein, described higher limit is the maximum speed governing value that fan can carry out, and described lower limit is the minimum speed governing value that fan carries out speed governing.A kind of linear speed regulation algorithm is adopted in upper limit value and lower limit value interval at fan speed-regulating, and temperature is corresponding with the rotation speed of the fan value, can obtain the tachometer value of each temperature acquisition point.Adopt formula V=((Tx-Tmin) * (Vmax-Vmin)/Trange)+Vs, wherein V is the tachometer value that will calculate, Tx is the current temperature value of this temperature acquisition point, and Vmin is the speed governing lower limit, Vmax is the speed governing higher limit, Vs is the initial speed governing value of heat-sink unit, Vs=Vmin wherein, and Trange is temperature range Trange=Tmax-Tmin, wherein Tmin is initial speed governing temperature value, and Tmax stops the speed governing temperature value.
After determining that the temperature acquisition renewal finishes, enter step S12.
S12, obtain the initial radiation parameter of heat-sink unit in this hot subregion according to the temperature of described hot subregion.Particularly, obtain the initial speed of this hot subregion internal fan according to the temperature of the hot subregion that collects.
When this hot subregion was carried out independently temperature control, required heat-sinking capability was initial radiation parameter.Corresponding to the embodiment of the invention, when this hot subregion was carried out independently fan speed-regulating control, required rotation speed of the fan was an initial speed.When determining the initial speed of hot subregion internal fan, specific practice is: in the comparative heat subregion, the tachometer value of the temperature value correspondence of all temperature acquisition points on veneer, maximal value on selected this veneer in the tachometer value of the temperature value correspondence of all temperature acquisition points is the tachometer value of this veneer fan correspondence, if this maximal value is littler than speed governing lower limit, adopt the speed governing lower limit of subregion, if bigger than speed governing higher limit, the speed governing higher limit of employing subregion; Tachometer value with all described veneer fan correspondences in the subregion reports then; Again the tachometer value of all veneer fans in the subregion is made comparisons afterwards, determine the initial speed of this subregion internal fan, its value is the maximal value V0 in the tachometer value of all veneer fans, the initial speed V0 of this subregion internal fan is issued, and all fans carry out speed regulating control according to initial speed in the subregion.
S13, by the initial radiation parameter of heat-sink unit in described other subregions and pre-configured other subregions and the degree of association of described hot subregion, determine the related radiation parameter of heat-sink unit in the described hot subregion.Particularly, according to pre-configured related subregion threshold value, the degree of association and initial speed, determine the related rotating speed of hot subregion internal fan.
Before carrying out this step, need manage configuration to communication facilities, the associate feature of a hot subregion of configuration and other hot subregions.Particularly, the configuration of each hot subregion comprises the threshold value h of this hot subregion; Determine and other hot subregions of the influential relation of this hot subregion that described other subregions are the related subregion of described hot subregion; The degree of association M of described related subregion and this hot subregion.In case wherein the meaning of threshold value is that the radiation parameter of heat-sink unit in the subregion surpasses this value, then needs related subregion that this hot subregion is supported heat radiation; Definite principle of related subregion is that the heat diffusion of a hot subregion has produced influence to the temperature of another hot subregion; The configuration of degree of association M has embodied the degree of this influence relation, and the big more expression temperature of the degree of association interacts big more, otherwise, then little.Generally speaking, two hot subregion degree of association height of close together, its degree of association of hot subregion that distance is far away is low, when M is not 0, represents to have incidence relation between the hot subregion, when M is 0, represents that this hot subregion is independent control.
Based on above-mentioned configuration, when heat-sink unit dispelled the heat to other hot subregions in the hot subregion, extra additional heat-sinking capability was related radiation parameter, and the embodiment of the invention is specially related rotating speed.
Step S13 specifically can comprise the steps:
S131, judge whether hot subregion exists related subregion;
S132, judge that whether the initial speed of related subregion internal fan surpasses the threshold value of this association subregion internal fan;
S133, if the initial speed of related subregion internal fan surpasses the threshold value of this association subregion internal fan, then, determine the related revolution Δ V of described hot subregion internal fan according to the degree of association M of described related subregion and this hot subregion and initial speed V0 that should related subregion internal fan.
According to above-mentioned related zone configuration, determine the related subregion that hot subregion is all, afterwards each related subregion is judged, judge promptly whether the initial speed of each related subregion internal fan surpasses the threshold value of this association subregion internal fan, when the initial speed of related subregion internal fan does not have to surpass the threshold value of this association subregion fan, the initial speed of representing this association subregion fan can guarantee the radiating requirements that this association subregion is interior, do not need the fan in other hot subregions to assist heat radiation, when the initial speed of related subregion internal fan equals or exceeds this threshold value, according to the temperature and the degree of association compute associations rotating speed of related subregion.
Further, the embodiment of the invention also comprises the steps: then to determine the additional heat parameter by the coefficient of temperature drop-out value and setting if temperature reduces in the described hot subregion.Described additional heat parameter is that heat-sink unit is because of considering the extra heat-sinking capability that increases of other reasons, for example the embodiment of the invention is the rotating speed that prevents that the fan shake from increasing, described coefficient is a scale-up factor, can rule of thumb be worth or the experiment value setting, perhaps can be the numerical value that draws according to specific formula.Particularly, if temperature reduces in the hot subregion, determine that by the shake coefficient of temperature drop-out value and setting the shake rotating speed of hot subregion internal fan, described shake rotating speed are to prevent that the descend shake of too fast generation of rotation speed of the fan from removing the additionally additional rotating speed of radiating requirements, makes the even reduction of speed of fan.
Temperature in temperature and the last hot subregion of the collection moment in the comparative heat subregion; If temperature is lower than the last temperature in the hot subregion of the moment of gathering in the hot subregion, then determine the shake rotating speed Δ V ' of hot subregion internal fan.
If temperature is greater than or equal to the last temperature in the hot subregion of the moment of gathering in the hot subregion, then carry out step S14.
Situation to temperature reduction in the hot subregion, shake rotating speed Δ V '=K* (V0 '-V0), K can be configured or set for the shake coefficient, the last initial speed of hot subregion internal fan constantly of gathering of V0 ' expression, V0 represents the current initial speed of hot subregion internal fan constantly of gathering.
S14, according to the radiation parameter of described initial radiation parameter with heat-sink unit in described related radiation parameter is determined described hot subregion.。Particularly, determine total rotating speed of hot subregion internal fan according to initial speed and related rotating speed.
Rise or constant situation for temperature in the hot subregion, total revolution speed calculating formula of hot subregion is Vtatol=V0+ Δ V, wherein V0 represents the initial speed of this hot subregion internal fan, Δ V represents the related rotating speed of this hot subregion internal fan, particularly, for a hot subregion, may there be one or more related subregions in it, Δ V=M1*V1+M2*V2...+Mn-1*Mn-1+Mn*Vn (Mi represents the degree of association of hot subregion and related subregion i, and Vi represents the initial speed of related subregion i).
For the situation that temperature in the hot subregion descends, this step S14 is specially: the value of add up described additional heat parameter, described initial radiation parameter and described related radiation parameter is as the radiation parameter of described hot subregion.Be in the embodiment of the invention, accumulation dithering rotating speed Δ V ', initial speed V0 are total rotating speed Vtatol of hot subregion with related rotating speed Δ V, and thermotropism subregion internal fan issues total rotating speed Vtatol ', promptly total rotating speed Vtatol '=V0+ Δ V+ Δ V '.
Heat-sink unit dispels the heat according to described radiation parameter in S15, the described hot subregion.Particularly, hot subregion internal fan dispels the heat according to total rotational speed.
Particularly, rise or constant situation for temperature in the hot subregion, hot subregion internal fan rotates according to total rotating speed Vtatol=V0+ Δ V hot subregion is dispelled the heat, for example, as shown in Figure 5, the related subregion of hot subregion 0 is respectively hot subregion 1, hot subregion 2 and hot subregion 3, hot subregion 1, the initial speed of hot subregion 2 and hot subregion 3 is respectively V1, V2 and V3, be respectively M1 with the degree of association of hot subregion 0, M2 and M3, the related rotating speed Δ V=M1*V1+M2*V2+M3*V3 of then hot subregion 0, when subregion 0 rotating speed surpasses himself correlation threshold value h and temperature when continuing to rise, total rotating speed is Vtatol=V0+ Δ V=V0+M1*V1+M2*V2+M3*V3.
Situation for temperature decline in the hot subregion, hot subregion internal fan carries out heat radiation work according to total rotating speed Vtatol '=V0+ Δ V+ Δ V ', for example shown in Figure 6, when the temperature in the hot subregion 0 descends, the total rotating speed of fan in the hot subregion 0 be Vtatol=V0+ Δ V+ Δ V '=V0+M1*V1+M2*V2+M3*V3+K* (V0 '-V0).
The heat dissipating method of the communication facilities that the embodiment of the invention provides.Realize the differentiation speed governing between the hot subregion, make each hot subregion not only satisfy the radiating requirements of self, can also provide heat radiation support to other hot subregions simultaneously, when reducing energy consumption, guaranteed the reliability of equipment cooling based on prior art.Further, for the speed governing of hot subregion, with reference to last time the temperature acquisition value carry out speed governing, avoid fan shake, further improved the reliability of heat radiation.
Embodiment three
The embodiment of the invention is at the abnormal conditions of communication facilities heat radiation, and the heat dissipating method of communication facilities also comprises the steps:
S21, judge whether hot subregion is in the temperature warning state.
If described hot subregion is in the temperature warning state, heat-sink unit dispels the heat with the higher limit of radiation parameter in the then described hot subregion, and carries out with described hot subregion that heat-sink unit dispels the heat with the higher limit of radiation parameter in other subregions of associated configuration.Particularly: if hot subregion is in the temperature warning state, then hot subregion internal fan rotates with the speed governing higher limit, and related subregion internal fan rotates with the speed governing higher limit.
When occurring entering the abnormality processing state when unusual in the equipment, when be temperature warning unusually, the interior temperature of instant heating subregion is too high, reaches the warning temperature of setting when described.The related subregion with it of hot subregion dispels the heat with the higher limit of speed governing, to guarantee that this hot subregion can carry out fast cooling, as shown in Figure 7, if hot subregion 0 is temperature warning, then hot subregion 0 internal fan is operated in the speed governing higher limit, be considered as 100% rotary speed working, the fan in hot subregion 1, hot subregion 2 and the hot subregion 3 related with hot subregion 0 also is operated in 100% state.
Further, the embodiment of the invention comprises that also the alarm of writing down related subregion internal fan increases rotating speed, and for Fig. 7, hot subregion 1, hot subregion 2 and 3 alarms of hot subregion increase rotating speed and are respectively Vg1, Vg2 and Vg3.
S22, judge whether hot subregion temperature warning is removed.
If described hot subregion temperature warning is removed, and the initial radiation parameter of heat-sink unit is greater than the threshold value of this hot subregion of setting in the described hot subregion, and in the described hot subregion the initial radiation parameter of heat-sink unit more than or equal to having the initial radiation parameter of heat-sink unit in other subregions of associated configuration with this hot subregion, in then described other subregions in heat-sink unit and the described hot subregion heat-sink unit all dispel the heat with the initial radiation parameter of heat-sink unit in the described hot subregion.
More specifically, if hot subregion temperature warning is removed the initial speed of comparative heat subregion internal fan and the threshold value of this hot subregion.
Increase after the rotating speed if the initial speed of hot subregion internal fan, then deducts alarm smaller or equal to the threshold value of this hot subregion, this hot subregion enters normal mode of operation immediately, enters step S24, and this hot subregion internal fan is dispelled the heat with the initial speed of this hot subregion.
Further, if the initial speed of hot subregion internal fan is greater than the threshold value of this hot subregion, the then initial speed of the initial speed of comparative heat subregion internal fan and related subregion internal fan.
If the initial speed of hot subregion internal fan is more than or equal to the initial speed of related subregion internal fan, then related subregion internal fan and hot subregion internal fan all rotate with the initial speed of hot subregion internal fan.
The fan of the related subregion of this hot subregion is dispelled the heat with the rotating speed that is higher than related section post need, is to avoid related subregion internal fan to reduce rapidly to shake because of rotating speed.
If the initial speed of hot subregion internal fan is less than the initial speed of this association subregion internal fan, then the related subregion of this hot subregion deducts alarm increases rotating speed, enters normal mode of operation immediately, promptly enters step S24.
S24, communication facilities internal heat subregion is carried out temperature acquisition;
S25, obtain the initial speed of this hot subregion internal fan according to the temperature of hot subregion;
S26, determine the related rotating speed of hot subregion internal fan;
S27, determine total rotating speed of hot subregion internal fan according to initial speed and related rotating speed;
S28, hot subregion internal fan dispel the heat to hot subregion according to total rotational speed.
Step S24-S28, embodiment can adopt embodiment one described algorithm and method.
The heat sink conception of being taked under a kind of abnormal patterns temperature warning situation that the embodiment of the invention is dispelled the heat at communication facilities, can in time tackle the emergency case of device interior, when temperature warning occurring, fan in the hot subregion and the interior all heat radiations at full speed of fan of related subregion, temperature warning district temperature is descended rapidly, when temperature warning is removed, according to rotating speed and temperature conditions, carry out the rotating speed transition between normal mode or normal and the alert mode, avoid shake, present embodiment is that the useful of heat dissipating method of the present invention replenished, and has further improved the reliability of heat radiation.
Embodiment four
The embodiment of the invention three is at the another kind of abnormal conditions of communication facilities heat radiation, and the heat dissipating method of communication facilities also comprises the steps:
S31, judge whether hot subregion is in the temperature acquisition lost condition; If described hot subregion is in the temperature acquisition lost condition, heat-sink unit and is removed and this hot subregion exists other subregions of associated configuration and the association status of this hot subregion with the higher limit heat radiation of radiation parameter in the then described hot subregion.
More specifically, if hot subregion is in the temperature acquisition lost condition, then hot subregion internal fan is with the heat radiation of speed governing higher limit, and the related subregion of hot subregion is removed and the association status of this hot subregion.
As shown in Figure 8, if hot subregion 0 temperature acquisition is lost, then hot subregion 0 internal fan is operated in the speed governing higher limit, i.e. 100% state, hot subregion 1, hot subregion 2 and the hot subregion 3 related with hot subregion 0 removed the association status with hot subregion 0, be operated in total rotating speed separately respectively, wherein related rotating speed does not comprise the related rotating speed with hot subregion 0.Exist one or more temperature acquisition points to lose and the getting in touch of harvester in the temperature acquisition lost condition instant heating subregion.This situation may cause the final temperature of gathering of this hot subregion can not truly reflect the practical situation of device interior, so this hot subregion takes worst case to handle, this hot subregion internal fan is dispelled the heat with the speed governing higher limit, to satisfy the radiating requirements of this hot subregion, but for avoiding unnecessary energy consumption, the related subregion of this hot subregion is removed the incidence relation with this hot subregion, the hot partition recovery temperature acquisition of losing up to temperature acquisition.
S32, judge whether hot subregion temperature acquisition recovers.If hot subregion temperature acquisition recovers, the rotating speed of then hot subregion internal fan returns to total rotating speed that this hot subregion temperature issues during the last temperature acquisition before losing, and enters the normal mode of operation of communication facilities heat radiation immediately, promptly enters step S33.
S33, communication facilities internal heat subregion is carried out temperature acquisition;
S34, obtain the initial speed of this hot subregion internal fan according to the temperature of hot subregion;
S35, determine the related rotating speed of hot subregion internal fan;
S36, determine total rotating speed of hot subregion internal fan according to initial speed and related rotating speed;
S37, hot subregion internal fan dispel the heat to hot subregion according to total rotational speed.
Step S33-S37, embodiment can adopt embodiment one described algorithm and method.
The heat sink conception of being taked under the another kind of abnormal patterns temperature loss situation of the embodiment of the invention at equipment cooling can in time be tackled the emergency case of device interior, is that the useful of heat dissipating method of the present invention replenished, and has further improved the reliability of heat radiation.
Embodiment five
As shown in Figure 9, the heat dissipating method of the communication facilities that the embodiment of the invention provides based on above-mentioned all embodiment, further comprises the steps:
S41, startup speed governing Timing Processing task judge whether last hot subregion internal fan speed governing processing finishes.
If last hot subregion internal fan speed governing disposes, then wait for the task of speed governing Timing Processing next time; If last hot subregion internal fan speed governing is handled also do not finish, then enter step S42.
S42, judge whether this hot subregion needs manual governing; If need manual governing, then issue the manual rotating speed of setting; If do not need manual governing, then enter step S43.
S43, judge whether this hot subregion is in the temperature warning state; If hot subregion is in the temperature warning state, carry out temperature warning and handle, then hot subregion internal fan rotates with the speed governing higher limit, and related subregion internal fan rotates with the speed governing higher limit; If hot subregion is not in the temperature warning state, then enter step S44.
S44, judge whether this hot subregion is in the temperature acquisition lost condition; If hot subregion is in the temperature acquisition lost condition, carry out temperature and lose processing, then hot subregion internal fan is with the heat radiation of speed governing higher limit, and the related subregion of hot subregion is removed and the association status of this hot subregion; If hot subregion is not in the temperature lost condition, then enter step S45.
The following steps flow process is based on embodiment two.
S45, this hot subregion is carried out temperature acquisition, determine that all temperature acquisition point temperature acquisitions finish in the subregion.
S46, obtain the initial speed of this hot subregion internal fan according to the temperature of this hot subregion;
S47, determine the related rotating speed of this hot subregion internal fan; Be specially,
S471, judge whether this hot subregion exists related subregion;
S472, judge that whether the initial speed of related subregion internal fan surpasses the threshold value of this association subregion internal fan;
S473, if the initial speed of related subregion internal fan surpasses the threshold value of this association subregion internal fan, then, determine the related revolution of described hot subregion internal fan according to the degree of association of described related subregion and this hot subregion and initial speed that should related subregion internal fan.
S48, determine total rotating speed of hot subregion internal fan according to initial speed and related rotating speed.
S49, this hot subregion internal fan dispel the heat to communication facilities according to total rotational speed.
Reentering step S41 after a hot subregion speed governing finishes does not also carry out the hot subregion that speed governing handles to this moment and handles.
The embodiment of the invention has been considered two kinds of abnormal patterns of equipment cooling, be temperature warning situation and temperature loss situation, before carrying out normal speed governing, to judging unusually, if produce unusual, enter abnormality processing, improved the reliability of heat radiation, thus the heat sink conception that perfect communication facilities is taked.
Embodiment six
As shown in figure 10, the heat dissipating method of the communication facilities that provides based on the embodiment of the invention, the embodiment of the invention also provides the cooling system 1 of communication facilities, comprising:
Heat-sink unit 4 is used for dispelling the heat according to the described radiation parameter that control module issues.
Communication facilities inside is divided into a plurality of hot subregions.The embodiment of the invention does not limit the partition method to communication facilities.The embodiment of the invention can be carried out hot subregion to communication facilities according to the distribution of slot in the communication facilities, or carry out hot subregion, or be to carry out hot subregion according to the distance of the internal module of communication facilities according to the simulation or the actual distribution situation of communication facilities heat in operational process.Each hot subregion comprises at least one temperature acquisition point, comprise at least one heat-sink unit in each hot subregion, described heat-sink unit can be fan or cooling fan, and temperature collecting cell carries out temperature acquisition to each temperature acquisition point at interval according to regular time.
For further guaranteeing the reliability of communication apparatus, as shown in figure 11, cooling system generally adopts the backup radiating mode of N+M, so-called N+M backup, refer to that N heat-sink unit can satisfy the heat radiation of communication apparatus, but an actual disposition N+M heat-sink unit, when some heat-sink unit fault wherein, remaining heat-sink unit still can guarantee the heat radiation of communication apparatus, the hot subregion of the embodiment of the invention with N+M heat-sink unit uniform distribution to each hot subregion.
The associated configuration of hot subregion and other subregions has been indicated the influence degree of other subregions to described hot subregion heat radiation, and this influence degree can be based on experience or based on to the calorimetric analysis between the hot subregion.For example set two coefficients relations between the subregion, determine the size of this coefficient with the distance of hot subregion distance, the radiation parameter influence between big more two the hot subregions of coefficient is big more.The final radiation parameter of hot subregion not only depends on the temperature of this subregion, also depend in advance the configuration and the temperature of other hot subregions simultaneously, it is required to make the radiation parameter of a hot subregion can not only satisfy the heat radiation of this subregion, and can influence and assist hot subregion associated therewith.Wherein, described radiation parameter can be the rotating speed of fan, or the power of fan and other parameter that can quantize heat-sinking capability.Control module calculates the radiation parameter of heat-sink unit in the described hot subregion according to the associated configuration of the temperature of being gathered and described hot subregion and other subregions.
Heat-sink unit is the execution unit of device interior heat radiation, and the interior heat-sink unit of hot subregion can be made up of one or more groups fan.Heat-sink unit carries out work according to the described radiation parameter that control module issues, thereby communication facilities is dispelled the heat.
The cooling system of the communication facilities that the embodiment of the invention provides, it is required to make the heat-sink unit of this hot subregion can not only satisfy the heat radiation of this subregion, and can influence and assist hot subregion associated therewith to dispel the heat, and guarantees the efficient and the reliability of heat radiation.Like this,, can transfer other subregions assistance heat radiations that have associated configuration with this subregion, guarantee the demand of heat radiation, improve the reliability of dispelling the heat even when high temperature or high temperature alarm appear in a hot subregion.
Further, embodiment of the invention control module comprises initial radiation parameter computing module, related radiation parameter computing module and total radiation parameter computing module; Wherein, initial radiation parameter computing module is used for obtaining according to the temperature of described hot subregion the initial radiation parameter of heat-sink unit in this hot subregion; Related radiation parameter computing module is used for determining the related radiation parameter of the interior heat-sink unit of described hot subregion by the initial radiation parameter of described other subregions and pre-configured other subregions and the degree of association of described hot subregion; Total radiation parameter computing module is used for according to the radiation parameter of described initial radiation parameter with heat-sink unit in described related radiation parameter is determined described hot subregion.
The embodiment of the invention is divided into a plurality of hot subregions according to interior veneer of communication equipment quantity with communication facilities, and each hot subregion comprises at least one veneer, and each veneer comprises at least one temperature acquisition point.The embodiment of the invention adopts fan as heat-sink unit, and each hot subregion comprises a plurality of fans, and the rotating speed of fan is as radiation parameter.
The specific practice that the initial speed of the embodiment of the invention calculates is: the higher limit and the lower limit that simulate the local area fan speed-regulating according to the heat-sinking capability of each hot subregion self, on fan speed-regulating, a kind of linear speed regulation algorithm of the interval employing of lower limit, temperature value is corresponding with the rotation speed of the fan value, can obtain the tachometer value of each temperature acquisition point, the tachometer value that compares the temperature value correspondence of all temperature acquisition points on the veneer, the tachometer value of determining this veneer internal fan is the maximal value in the tachometer value of all temperature acquisition points on this veneer, if this maximal value is littler than speed governing lower limit, adopt the speed governing lower limit of subregion, if bigger than speed governing higher limit, the speed governing higher limit of employing subregion; Tachometer value with all described veneer fans in the subregion reports then; Again the tachometer value of all veneer fans in the subregion is made comparisons afterwards, determine the initial speed of this subregion, its value is the maximal value in the tachometer value of all veneer fans, and fan carries out speed regulating control according to described initial speed as the rotating speed of all fans of this subregion correspondence.
Before cooling system dispels the heat, need communication facilities is managed configuration the associate feature of a hot subregion of configuration and other hot subregions.Particularly, the configuration of each hot subregion comprises the threshold value of this hot subregion; Determine and other hot subregions of the influential relation of this hot subregion that described other subregions are the related subregion of described hot subregion; The degree of association of described related subregion and this hot subregion.In case wherein the meaning of threshold value is that the radiation parameter of heat-sink unit in the subregion surpasses this value, then needs related subregion that this hot subregion is supported heat radiation; Definite principle of related subregion is that the heat diffusion of a hot subregion has produced influence to the temperature of another hot subregion; The configuration of the degree of association has embodied the degree of this influence relation, and the big more expression temperature of the degree of association interacts big more, otherwise, then little.Based on above-mentioned configuration, when heat-sink unit dispelled the heat to other hot subregions in the hot subregion, extra additional heat-sinking capability was related radiation parameter, and the embodiment of the invention is specially related rotating speed.
According to above-mentioned related zone configuration, related radiation parameter computing module is determined the related subregion that hot subregion is all, afterwards each related subregion is judged, judge promptly whether the initial speed of each related subregion internal fan surpasses the threshold value of this association subregion internal fan, when the initial speed of related subregion internal fan does not have to surpass the threshold value of this association subregion fan, the initial speed of representing this association subregion fan can guarantee the radiating requirements that this association subregion is interior, do not need the fan in other hot subregions to assist heat radiation, when the initial speed of related subregion internal fan equaled or exceeded this threshold value, the relevant parameter computing module was according to the temperature and the degree of association compute associations rotating speed of related subregion.
Rise or constant situation for temperature in the hot subregion, the add up related rotating speed of initial speed and each related subregion of total radiation parameter computing module issues total rotating speed to this hot subregion internal fan, and fan carries out work according to total rotating speed and dispels the heat.
Further, at the situation that temperature in the hot subregion descends, embodiment of the invention control module also comprises, the additional heat parameter calculating module is used for then determining the additional heat parameter by the coefficient of temperature drop-out value and setting if temperature reduces in the described hot subregion.
Particularly, if temperature reduces in the hot subregion, the additional heat parameter calculating module is determined the shake rotating speed of hot subregion internal fan by the shake coefficient of temperature drop-out value and setting.Described shake rotating speed is to prevent the descend shake of too fast generation of rotation speed of the fan, and except that radiating requirements additional rotating speed, make the even reduction of speed of fan.
The add up value of shake rotating speed, initial speed and related rotating speed of hot subregion of total radiation parameter computing module issues rotating speed to fan, and fan carries out the work heat radiation according to total rotating speed.
For understanding the embodiment of the invention more intuitively, Figure 12 provides the system construction drawing of the embodiment of the invention, dotted line is represented the zone of hot subregion among the figure, between each hot subregion not with physical isolation as differentiation, but mark the logic boundary with the heat distribution or the distribution of fan.Further, the cooling system of embodiment of the invention communication facilities comprises mixed wind chamber, and mixing the wind chamber is an area of space of cooling system inside, is used for the air quantity of each fan is mixed, and makes air quantity fully mobile, better plays a role.The cooling system of the communication facilities that the embodiment of the invention provides, realize the differentiation speed governing between the hot subregion, make the fan of each hot subregion not only satisfy the radiating requirements of self, can also provide heat radiation support to other hot subregions simultaneously, when reducing energy consumption, guaranteed the reliability of equipment cooling based on prior art.Further, for the speed governing of hot subregion, with reference to last time the temperature acquisition value carry out speed governing, avoid fan shake, further improved the reliability of heat radiation.
Embodiment seven
The embodiment of the invention is at the heat radiation abnormal conditions of cooling system, and on embodiment five and six bases, embodiment of the invention control module further comprises:
The temperature warning processing module, be used for when described hot subregion is in the temperature warning state, make that heat-sink unit dispels the heat with the higher limit of radiation parameter in the described hot subregion, and make and carry out with described hot subregion that heat-sink unit dispels the heat with the higher limit of radiation parameter in other subregions of associated configuration.
Particularly, the temperature warning processing module makes hot subregion internal fan rotate with the speed governing higher limit, and related subregion internal fan rotates with the speed governing higher limit.
When occurring entering the abnormality processing state when unusual in the equipment, when be temperature warning unusually, the interior heat-sink unit of the related subregion with it of hot subregion dispels the heat with the higher limit of speed governing, can carry out fast cooling to guarantee this hot subregion when described.
Further, the alarm of heat-sink unit increases rotating speed in the hot subregion of temperature alert record module records.
Further, embodiment of the invention control module also comprises rotating speed choice module, be used for when described hot subregion temperature warning is removed, and when the initial radiation parameter of heat-sink unit is greater than the threshold value of this hot subregion of setting in the described hot subregion, and the initial radiation parameter of heat-sink unit makes in described other subregions that heat-sink unit all dispels the heat with the initial radiation parameter of heat-sink unit in the described hot subregion in the heat-sink unit and described hot subregion when having the initial radiation parameter of heat-sink unit in other subregions of associated configuration with this hot subregion in the described hot subregion.
More specifically, if hot subregion temperature warning is removed the initial speed of rotating speed choice module comparative heat subregion internal fan and the threshold value of this hot subregion.
Increase after the rotating speed if the initial speed of hot subregion internal fan, then deducts alarm smaller or equal to the threshold value of this hot subregion, make hot subregion enter normal mode of operation immediately, this hot subregion internal fan dispels the heat with the initial speed of this hot subregion.
If the initial speed of hot subregion internal fan is greater than the threshold value of this hot subregion, the then initial speed of the initial speed of comparative heat subregion internal fan and related subregion internal fan.
If the initial speed of hot subregion internal fan then makes related subregion internal fan and hot subregion internal fan all rotate with the initial speed of hot subregion internal fan more than or equal to the initial speed of related subregion internal fan.The fan of the related subregion of this hot subregion is dispelled the heat with the rotating speed that is higher than related section post need, is to avoid related subregion internal fan to reduce rapidly to shake because of rotating speed.
If the initial speed of hot subregion internal fan is less than the initial speed of this association subregion internal fan, then the related subregion of this hot subregion deducts alarm increases rotating speed, enters normal mode of operation immediately.
The heat sink conception of being taked under a kind of abnormal patterns temperature warning situation that the embodiment of the invention is dispelled the heat at communication facilities, can in time tackle the emergency case of device interior, when temperature warning occurring, hot subregion internal fan and all heat radiations at full speed of related subregion internal fan, temperature warning district temperature is descended rapidly, when temperature warning is removed, according to rotating speed and temperature conditions, carry out the rotating speed transition between normal mode or normal and the alert mode, avoid shake, further improved the reliability of heat radiation.
Further, embodiment of the invention control module comprises that also temperature loses processing module, temperature is lost processing module, be used for when described hot subregion is in the temperature acquisition lost condition, make in the described hot subregion heat-sink unit with the higher limit heat radiation of radiation parameter, and remove and this hot subregion exists other subregions of associated configuration and the association status of this hot subregion.
Particularly, the temperature acquisition lost condition exists one or more temperature acquisition points to lose and the getting in touch of harvester in the instant heating subregion.This situation may cause the temperature of the final collection of harvester in this hot subregion can not truly reflect the practical situation of device interior, so control module takes worst case to handle, the interior heat-sink unit of this hot subregion is dispelled the heat with the speed governing higher limit, to satisfy the radiating requirements of this hot subregion, but for avoiding unnecessary energy consumption, the related subregion of this hot subregion is removed the incidence relation with this hot subregion, the hot partition recovery temperature acquisition of losing up to temperature acquisition.
When temperature acquisition recovered, the rotating speed of hot subregion internal fan returned to total rotating speed that this hot subregion temperature issues during the last temperature acquisition before losing, and entered the normal mode of operation of communication facilities heat radiation immediately.
The heat sink conception of being taked under the another kind of abnormal patterns temperature loss situation at the communication facilities heat radiation can in time be tackled the emergency case of device interior, has further improved the reliability of heat radiation.
The above; only be the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of described claim.
Claims (12)
1. the heat dissipating method of a communication facilities is characterized in that, comprising:
Communication facilities internal heat subregion is carried out temperature acquisition;
By the associated configuration of the temperature of being gathered and described hot subregion and other subregions, calculate the radiation parameter of heat-sink unit in the described hot subregion;
Heat-sink unit dispels the heat according to described radiation parameter in the described hot subregion.
2. according to the heat dissipating method of the described communication facilities of claim 1, it is characterized in that described associated configuration by the temperature of being gathered and described hot subregion and other subregions is calculated the radiation parameter of heat-sink unit in the described hot subregion, comprising:
Obtain the initial radiation parameter of heat-sink unit in this hot subregion according to the temperature of described hot subregion;
By the initial radiation parameter of heat-sink unit in described other subregions and pre-configured other subregions and the degree of association of described hot subregion, determine the related radiation parameter of heat-sink unit in the described hot subregion;
According to the radiation parameter of described initial radiation parameter with heat-sink unit in described related radiation parameter is determined described hot subregion.
3. according to the heat dissipating method of claim 1 or 2 described communication facilitiess, it is characterized in that,, calculate the radiation parameter of heat-sink unit in the described hot subregion, also comprise by the associated configuration of the temperature of being gathered and described hot subregion and other subregions:
If temperature reduces in the described hot subregion, then determine the additional heat parameter by the coefficient of temperature drop-out value and setting;
Add up the value of described additional heat parameter, described initial radiation parameter and described related radiation parameter as the radiation parameter of described hot subregion.
4. according to the heat dissipating method of claim 1 or 2 described communication facilitiess, it is characterized in that this method also comprises:
If described hot subregion is in the temperature warning state, heat-sink unit dispels the heat with the higher limit of radiation parameter in the then described hot subregion, and carries out with described hot subregion that heat-sink unit dispels the heat with the higher limit of radiation parameter in other subregions of associated configuration.
5. according to the heat dissipating method of the described communication facilities of claim 4, it is characterized in that, heat-sink unit dispels the heat with the higher limit of radiation parameter in the described hot subregion, and carry out after heat-sink unit dispels the heat with the higher limit of radiation parameter in other subregions of associated configuration with described hot subregion, this method also comprises:
If described hot subregion temperature warning is removed, and the initial radiation parameter of heat-sink unit is greater than the threshold value of this hot subregion of setting in the described hot subregion, and in the described hot subregion the initial radiation parameter of heat-sink unit more than or equal to having the initial radiation parameter of heat-sink unit in other subregions of associated configuration with this hot subregion, in then described other subregions in heat-sink unit and the described hot subregion heat-sink unit all dispel the heat with the initial radiation parameter of heat-sink unit in the described hot subregion.
6. according to the heat dissipating method of claim 1 or 2 described communication facilitiess, it is characterized in that this method also comprises:
If described hot subregion is in the temperature acquisition lost condition, heat-sink unit and is removed and this hot subregion exists other subregions of associated configuration and the association status of this hot subregion with the higher limit heat radiation of radiation parameter in the then described hot subregion.
7. the cooling system of a communication facilities is characterized in that, this system comprises:
Temperature collecting cell is used for communication facilities internal heat subregion is carried out temperature acquisition;
Control module is used for the associated configuration by the temperature of being gathered and described hot subregion and other subregions, calculates the radiation parameter of heat-sink unit in the described hot subregion;
Heat-sink unit is used for dispelling the heat according to the described radiation parameter that control module issues.
8. according to the cooling system of the described communication facilities of claim 7, it is characterized in that described control module comprises initial radiation parameter computing module, related radiation parameter computing module and total radiation parameter computing module; Wherein,
Described initial radiation parameter computing module is used for obtaining according to the temperature of described hot subregion the initial radiation parameter of heat-sink unit in this hot subregion;
Described related radiation parameter computing module is used for determining the related radiation parameter of heat-sink unit in the described hot subregion by the initial radiation parameter of described other subregions and pre-configured other subregions and the degree of association of described hot subregion;
Described total radiation parameter computing module is used for according to the radiation parameter of described initial radiation parameter with heat-sink unit in described related radiation parameter is determined described hot subregion.
9. according to the cooling system of the described communication facilities of claim 8, it is characterized in that described control module also comprises:
The additional heat parameter calculating module is used for then determining the additional heat parameter by the coefficient of temperature drop-out value and setting if temperature reduces in the described hot subregion.
10. according to the cooling system of the described communication facilities of claim 7, it is characterized in that described control module also comprises:
The temperature warning processing module, be used for when described hot subregion is in the temperature warning state, make that heat-sink unit dispels the heat with the higher limit of radiation parameter in the described hot subregion, and make and carry out with described hot subregion that heat-sink unit dispels the heat with the higher limit of radiation parameter in other subregions of associated configuration.
11. the cooling system according to the described communication facilities of claim 10 is characterized in that, described control module also comprises:
Rotating speed choice module, be used for when described hot subregion temperature warning is removed, and when the initial radiation parameter of heat-sink unit is greater than the threshold value of this hot subregion of setting in the described hot subregion, and the initial radiation parameter of heat-sink unit makes in described other subregions that heat-sink unit all dispels the heat with the initial radiation parameter of heat-sink unit in the described hot subregion in the heat-sink unit and described hot subregion when having the initial radiation parameter of heat-sink unit in other subregions of associated configuration with this hot subregion in the described hot subregion.
12. the cooling system according to each described communication facilities in the claim 7 to 11 is characterized in that, described control module also comprises:
Temperature is lost processing module, be used for when described hot subregion is in the temperature acquisition lost condition, make in the described hot subregion heat-sink unit with the higher limit heat radiation of radiation parameter, and remove and this hot subregion exists other subregions of associated configuration and the association status of this hot subregion.
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| CN101819457B (en) | 2012-08-08 |
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