CN102622007A - Energy-saving control method and device for cabinet - Google Patents
Energy-saving control method and device for cabinet Download PDFInfo
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- CN102622007A CN102622007A CN201210083255XA CN201210083255A CN102622007A CN 102622007 A CN102622007 A CN 102622007A CN 201210083255X A CN201210083255X A CN 201210083255XA CN 201210083255 A CN201210083255 A CN 201210083255A CN 102622007 A CN102622007 A CN 102622007A
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Abstract
The invention discloses an energy-saving control method and device for a cabinet, which has the following steps: 1) setting a temperature difference threshold value-output voltmeter; 2) detecting the air inlet temperature and the air outlet temperature of the cabinet, so as to obtain the temperature difference of the air inlet temperature and the air outlet temperature; 3) finding the temperature difference threshold value-output voltmeter according to the temperature difference so as to obtain the output voltage; and 4) outputting the output voltage to a cabinet fan. The device includes a temperature collecting unit, a distribution box and a plurality of power distribution units, wherein the distribution box includes an input electric connector, a control processing unit, a voltage regulating unit and a plurality of output electric connectors; and the control processing unit includes a temperature difference computation module, a preset voltage information storage unit and a fan control module. The energy control method and device for the cabinet has the advantages that the fan heat dissipation consumption is low, the operating cost is low, and the data equipment is safe and reliable.
Description
Technical field
The present invention relates to the rack electric energy management field of high-performance computer, be specifically related to a kind of energy-saving control method and device that is used for rack.
Background technology
Along with the high-performance computer packing density is increasingly high; Data equipment in the Single Cabinet is more and more, the power consumption of Single Cabinet is increasing; The power supply plan of computer system is also constantly changing, and is separated progressively to change into that three-phase alternating current is delivered directly in the data equipment with computer equipment by primary power source equipment.When realizing computer system security, reliable power supply, reduce self transmission losses of distribution line and device, reduce rack and take up room, cut down the consumption of energy, realize that electric energy management has become the significant design content of high-performance computer system scheme of electric power.
Data equipment rack distribution product in the past generally is no more than 10KW, though the single rack of high-performance computer surpasses 20KW's, all adopts DC distribution, promptly externally converts alternating current into 48V or other DC voltage is delivered to computer data equipment again.Such confession distribution system just is difficult to accept when single rack power meets or exceeds 50KW, and its Project Realization difficulty is too high, cable consumption a lot, line loss and voltage drop is excessive, inefficiency, in addition transmission line is local maybe be overheated.These problems are in the very not harmony that seems of the epoch of current promotion environment protecting and power-saving.Rack power source special allocation units PDU (power distribution unit) aims at various data and communication data equipment enclosure and the rack power source special that designs supplies the distribution interface product.But the PDU on the domestic and international market has no a product can satisfy the confession distribution demand of high-performance computer at present; Always exist various limitation to make and to design the scheme of electric power that can satisfy request for utilization; Do not have the detection and the electric energy management function that combine power utilization environment; Must design the AC distribution scheme and the electric energy management product that make new advances targetedly, to satisfy the application demand of high-performance computer system.
The rack of prior art is provided with air inlet and air outlet, is provided with the cabinet fan that is used to dispel the heat in the rack.But; Cabinet fan is in the long-term operation state in the rack of prior art; Because the data equipment in the rack generally is in long-time operating condition; Therefore prior art is because rack lacks corresponding cooling managing power consumption, is used for the power consumption of rack cooling and the too high waste of energy that causes of data rack wind speed is more, operating cost is higher.In addition, for the occasion of mass data equipment, the data equipment of prior art lacks corresponding cooling managing power consumption; Even data equipment is in holding state; Rack still keeps power supply to supply with, and for large-scale high-performance computer, equally also causes bigger waste of energy.
Summary of the invention
The technical matters that the present invention will solve provides a kind of fan heat radiation and consumes low, that operating cost is low, data equipment is safe and reliable energy-saving control method that is used for rack and device.
In order to solve the problems of the technologies described above, the technical scheme that the present invention adopts is:
A kind of energy-saving control method that is used for rack, implementation step is following:
1) one group of temperature difference threshold value is set, and the output voltage that an association is set for each temperature difference threshold value obtains being used to regulate the temperature difference threshold value-output voltage meter of cabinet fan voltage;
2) detect the intake air temperature and the air outlet temperature of rack, obtain the temperature difference of said intake air temperature and air outlet temperature;
3) search said temperature difference threshold value-output voltage meter according to the said temperature difference and obtain the output voltage that is complementary with the current temperature difference;
4) export said output voltage to cabinet fan.
Be used for the further improvement of the energy-saving control method of rack as the present invention:
The function expression of said temperature difference threshold value-output voltage meter is following:
Wherein, V
fBe output voltage, V
0Be the rated voltage of cabinet fan, Δ T>=x, y＜Δ T＜x, 0＜Δ T≤y and Δ T=0 represent 4 temperature difference threshold values respectively, and Δ T is the temperature difference, and x is that the highest temperature that data equipment allows in the rack is appreciated, and y appreciates for preset stagnation temperature.
The present invention also comprises the step of carrying out power supply control according to the electric current of standby data equipment, and the concrete steps that said electric current according to the standby data equipment carries out power supply control are following:
A) one group of working current threshold value is set, and the power opening state that an association is set for each working current threshold value obtains current threshold-power supply status parameter list;
B) working current of each data equipment in the detection rack;
C) search said current threshold-power supply status parameter list according to the working current of data equipment and obtain the power supply status parameter that is complementary with the current working current of each data equipment;
D) successively according to the switching-on and switching-off state of each data equipment in the said power supply status parameter control rack.
The function expression of said current threshold-power supply status parameter list is following:
Wherein, S
dPower supply status parameter for the rack data equipment; It is electric power starting that on represents the power supply status parameter, and it is power-off that off represents the power supply status parameter, and B＜I≤A, I≤B, I＞A and Δ T>=x represent 3 working current threshold values respectively; A is the theoretical peak static current of lcd value of data equipment; B is the stand-by power consumption current value of data equipment, and I is for detecting the working current of the data equipment that obtains, and Δ T is the temperature difference of rack intake air temperature and air outlet temperature.
The present invention also provides a kind of energy-saving control device that is used for rack; It comprises the temperature collecting cell that is used to gather rack intake air temperature and air outlet temperature, a plurality of power distribution units that are used to manage the panel box of control power supply supply and are used for providing to data equipment AC power; Said panel box comprises input electric connector, controlled processing unit, is used to regulate voltage-regulation unit and a plurality of output electric connector of cabinet fan voltage; Said input electric connector links to each other with power distribution unit through the output electric connector; Said controlled processing unit comprises the temperature difference computing module, the predeterminated voltage information memory cell that is used to store temperature difference threshold value-output voltage meter that are used to calculate rack intake air temperature and air outlet temperature-difference, be used for exporting according to the temperature difference and temperature difference threshold value-output voltage meter the fan control module of corresponding output voltage; The input end of said temperature difference computing module links to each other with temperature collecting cell; Said temperature difference computing module, predeterminated voltage information memory cell link to each other with fan control module respectively, and the output terminal of said fan control module links to each other with cabinet fan through the voltage-regulation unit.
Be used for the further improvement of the energy-saving control device of rack as the present invention:
Said panel box also comprises the electric parameter collecting unit and the protection control module that is used for control data device power supply (DPS) break-make that is used to gather each data equipment working current; The input end of said electric parameter collecting unit links to each other with each output electric connector respectively; Said protection control module comprises the identical a plurality of isolating switchs of quantity with the output electric connector; Said input electric connector links to each other with each output electric connector through isolating switch respectively, and the control end of said isolating switch all links to each other with said power switch control module; Said controlled processing unit also comprises the preset state information memory cell that is used for storaging current threshold value-power supply status parameter list and according to the power switch control module of data equipment working current, current threshold-power supply status parameter list output data device power supply (DPS) state parameter; Said electric parameter collecting unit, preset state information memory cell link to each other with the power switch control module respectively, and the output terminal of said power switch control module links to each other with the power-supply controller of electric of data equipment.
Said protection control module comprises also and the identical a plurality of earth leakage protective devices of quantity of output electric connector that said earth leakage protective device and isolating switch are connected in series.
Said panel box also comprise be used for the consumption information of each power distribution unit carry out network output and to controlled processing unit transmit the external control order communication unit, be used for said consumption information is shown the demonstration output control unit of output, said communication unit, show that output control unit links to each other with controlled processing unit respectively.
The energy-saving control method that the present invention is used for rack has following advantage:
1, the present invention is through detecting the intake air temperature and the air outlet temperature of rack; Obtain the temperature difference of intake air temperature and air outlet temperature; Searching temperature difference threshold value-output voltage meter according to the temperature difference obtains the output voltage that is complementary with the current temperature difference and exports output voltage to cabinet fan; Can regulate rotation speed of the fan according to the air inlet of rack, temperature real-time response between the air outlet, can minimize the power consumption and the too high electric weight waste that causes of data rack wind speed that are used for the rack cooling, can guarantee that the temperature difference of rack air outlet and air intake vent remains within the scope of data equipment permission; Guarantee the safe operation of data equipment; Can effectively manage the rack energy consumption, guarantee that the rack power consumption minimizes, have the fan heat radiation and consume the advantage low, that operating cost is low, data equipment is safe and reliable.
2, the present invention is further through detecting the working current of each data equipment in the rack; Search current threshold-power supply status parameter list according to the working current of data equipment and obtain the power supply status parameter that is complementary with the current working current of each data equipment; And successively according to the switching-on and switching-off state of each data equipment in the power supply status parameter control rack; Therefore can, data equipment supply with by powered-down when being in holding state; Can further reduce the energy consumption of standby data equipment, reduce operating cost.
The present invention is used for the energy-saving control device of rack owing to have the structure corresponding with the energy-saving control method that is used for rack; Therefore also possesses the above-mentioned advantage that is used for the energy-saving control method of rack; And the present invention is through the form of a plurality of power distribution units on the panel box band; Directly carry AC power, can solve the AC distribution problem that in limited cabinet space, realizes the super high power of single rack, help saving cabinet space through power distribution unit; Can improve the packing density of data equipment, have the advantage that facility, flexible configuration, easy expansion are installed.In addition, protection control module of the present invention further comprises quantity and the identical a plurality of earth leakage protective devices of quantity of exporting electric connector, to the protection better effects if of data equipment; Controlled processing unit of the present invention further comprises communication unit, shows output control unit, can realize showing output to the user in real time alternately and with consumption information with outside energy management system, and is easy to use, favorable expandability.
Description of drawings
Fig. 1 is that the fan voltage of the embodiment of the invention is regulated process flow diagram.
Fig. 2 is the data equipment electric energy management process flow diagram of the embodiment of the invention.
Fig. 3 is the main framed structure synoptic diagram of the embodiment of the invention.
Fig. 4 is the detailed framework structural representation of the embodiment of the invention.
Fig. 5 is the main framed structure synoptic diagram of embodiment of the invention panel box.
Fig. 6 is the main framed structure synoptic diagram of embodiment of the invention managing power consumption and monitoring unit.
Fig. 7 is the framed structure synoptic diagram of embodiment of the invention power distribution unit.
Marginal data: 1, temperature collecting cell; 2, panel box; 20, internal electric source module; 21, input electric connector; 22, controlled processing unit; 221, temperature difference computing module; 222, predeterminated voltage information memory cell; 223, fan control module; 224, preset state information memory cell; 225, power switch control module; 23, output electric connector; 24, voltage-regulation unit; 25, electric parameter collecting unit; 26, protection control module; 261, isolating switch; 262, earth leakage protective device; 27, communication unit; 28, show output control unit; 3, power distribution unit; 31, load module; 32, wiring collection module; 33, output module.
Embodiment
As shown in Figure 1, the implementation step of energy-saving control method that the embodiment of the invention is used for rack is following:
1) one group of temperature difference threshold value is set, and the output voltage that an association is set for each temperature difference threshold value obtains being used to regulate the temperature difference threshold value-output voltage meter of cabinet fan voltage;
2) detect the intake air temperature T1 and the air outlet temperature T 2 of rack, obtain the temperature difference T of intake air temperature T1 and air outlet temperature T2 degree;
3) search temperature difference threshold value-output voltage meter according to the temperature difference and obtain the output voltage V that is complementary with the current temperature difference
f
4) with output voltage V
fExport cabinet fan to.
In the present embodiment, the function expression of temperature difference threshold value-output voltage meter is following:
Wherein, V
fBe output voltage, V
0Be the rated voltage of cabinet fan, Δ T>=x, y＜Δ T＜x, 0＜Δ T≤y and Δ T=0 represent 4 temperature difference threshold values respectively, and Δ T is the temperature difference; X is that the highest temperature that data equipment allows in the rack is appreciated; Y appreciates for preset stagnation temperature, and the highest temperature is appreciated and preset stagnation temperature and appreciates that all structure, the data equipment heat radiation situation with rack is relevant, can rule of thumb be provided with; Highest temperature appreciation x value is 20 ℃ in the present embodiment, and preset stagnation temperature appreciation y value is 10 ℃.In the present embodiment, if Δ T>=x, then the output voltage of cabinet fan is rated voltage V
0, the fan full-speed operation; If y＜Δ T＜x, then the output voltage of cabinet fan is rated voltage V
080%, this moment rotation speed of the fan reduce to approximately at full speed 50%; If 0＜Δ T≤y, then the output voltage of cabinet fan is rated voltage V
060%, this moment rotation speed of the fan reduce to approximately at full speed 10%; If Δ T=0, then the output voltage of cabinet fan is 0V, and cabinet fan stops operating.
As shown in Figure 2, present embodiment comprises that also the electric current according to the standby data equipment carries out the step of power supply control, thereby realizes that the power opening state of treating machine data equipment manages further to reach minimizing of rack energy consumption.In the present embodiment, the concrete steps of carrying out power supply control according to the electric current of standby data equipment are following:
A) one group of working current threshold value is set, and the power opening state that an association is set for each working current threshold value obtains current threshold-power supply status parameter list;
B) working current of each data equipment in the detection rack;
C) search current threshold-power supply status parameter list according to the working current of data equipment and obtain the power supply status parameter that is complementary with the current working current of each data equipment;
D) successively according to the switching-on and switching-off state of each data equipment in the power supply status parameter control rack.
In the present embodiment, the function expression of current threshold-power supply status parameter list is following:
Wherein, S
dPower supply status parameter for the rack data equipment; It is electric power starting that on represents the power supply status parameter, and it is power-off that off represents the power supply status parameter, and B＜I≤A, I≤B, I＞A and Δ T>=x represent 3 working current threshold values respectively; A is the theoretical peak static current of lcd value of data equipment; B is the stand-by power consumption current value of data equipment, and I is for detecting the working current of the data equipment that obtains, and Δ T is the temperature difference of rack intake air temperature and air outlet temperature.When B＜I≤A, the working current of data equipment is a certain value between peak point current and the standby current, and this moment, the power supply status parameter was on, and the state that the data equipment power switch should maintain " on " is constant; When I≤B, the working current of data equipment is less than standby current, and this moment, the power supply status parameter was off, and the power switch of data equipment is closed; When I＞A and Δ T>=x; The maximum temperature rise that the working current of data equipment allows more than or equal to data equipment greater than peak point current and temperature rise; This moment, the power supply status parameter was off; Data equipment is in the hole, therefore must the device power supply (DPS) switch cut out and send alerting signal to reach the effect to the data equipment protection.The theoretical peak static current of lcd value A and the concrete factor of stand-by power consumption current value B of data equipment are different according to equipment, and the theoretical peak static current of lcd value A of data equipment is 30 amperes in the present embodiment, and the stand-by power consumption current value B of data equipment is 1 ampere.
Like Fig. 3 and shown in Figure 4; The energy-saving control device that present embodiment is used for rack comprises the temperature collecting cell 1 that is used to gather rack intake air temperature and air outlet temperature, a plurality of power distribution units 3 that are used to manage the panel box 2 of control power supply supply and are used for providing to data equipment AC power; Panel box 2 comprises input electric connector 21, controlled processing unit 22, is used to regulate voltage-regulation unit 24 and a plurality of output electric connector 23 of cabinet fan voltage; Input electric connector 21 links to each other with power distribution unit 3 through output electric connector 23; Controlled processing unit 22 comprises the temperature difference computing module 221, the predeterminated voltage information memory cell 222 that is used to store temperature difference threshold value-output voltage meter that are used to calculate rack intake air temperature and air outlet temperature-difference, be used for exporting according to the temperature difference and temperature difference threshold value-output voltage meter the fan control module 223 of corresponding output voltage; The input end of temperature difference computing module 221 links to each other with temperature collecting cell 1; Temperature difference computing module 221, predeterminated voltage information memory cell 222 link to each other with fan control module 223 respectively, and the output terminal of fan control module 223 links to each other with cabinet fan through voltage-regulation unit 24.
In the present embodiment, temperature collecting cell 1 comprises the temperature sensor of being located at the rack air inlet and the temperature sensor of being located at the rack air outlet.Controlled processing unit 22 adopts the CPLD chip EPM240Z of super low-power consumption, is used to realize electric parameters analysis, calculating and the control to panel box 2, and regulates to the computational analysis of temperature data and to fan voltage.Panel box 2 both can be installed in the outside of rack, also can be installed in the inside of rack.Temperature collecting cell 1 comprises two temperature sensors; One of them temperature sensor is located at the air inlet of rack; Another temperature sensor is located at the air outlet of rack; Cabinet fan rotation in the rack can make air outside constantly get into, carry data equipment from the rack air inlet and when moving, behind the meeting distribute heat, discharge from the rack air outlet, thereby is reached for the effect of data equipment heat radiation.Input electric connector 21 adopts Three-phase five-wire industry connector, and its load current ability is not less than 125A; Output electric connector 23 adopts Three-phase five-wire industry connector, and its load current ability is not less than 32A.
Panel box 2 also comprise be used for the consumption information of each power distribution unit 3 carry out network output and to controlled processing unit 22 transmit the external controls order communication unit 27, be used for consumption information is shown the demonstration output control unit 28 of output, communication unit 27, show that output control unit 28 links to each other with controlled processing unit 22 respectively.Controlled processing unit 22 can be realized with outside energy management system (PMS) mutual through communication unit 27: through the control command of communication unit 27 receptions from PMS; Can directly control the output voltage of fan control module 223, each road-power supply status parameter of control power switch control module 225 outputs, thereby realize Long-distance Control cabinet fan and data equipment; Through the consumption information (parameters such as voltage, electric current, active power, power factor and harmonic wave etc.) of communication unit 27, realize remote monitoring and diagnosis to rack to each power distribution unit 3 of PMS output; Show that simultaneously output control unit 28 also can be in real time with the on-the-spot demonstration output of the consumption information of each power distribution unit 3.In the present embodiment; Communication unit 27 is used for carrying out network service with the PMS of data center; Realize constantly supervision and the control of data center to alternating current; Adopt general RS485 interface to realize, the interface module that also can extraly attach an optional RS485 in addition changes Ethernet realizes being connected with the network of Ethernet; Show that output control unit 28 comprises LCD display module and button assembly, button assembly is used for panel box 2 is carried out local search, control operation; The LCD display module is used to export the consumption information of each power distribution unit 3.Therefore; Communication unit 27 makes rack realize that the managing power consumption of self becomes possibility with demonstration output control unit 28; The managing power consumption of present embodiment and monitoring unit current collection can measurement, calculating, analysis, management, control, be in communication in one; Both can carry out remote monitoring through host computer; Again can be initiatively the data equipment enclosure be carried out electric energy management and temperature, wind speed control, can also carry out local information inquiry and control operation, this all brings convenience for data center's energy management and data equipment managing power consumption.
Like Fig. 4 and shown in Figure 5; Managing power consumption and control module are the core components of realizing managing power consumption; In the present embodiment, managing power consumption and control module comprise internal electric source module 20, controlled processing unit 22, voltage-regulation unit 24, electric parameter collecting unit 25, communication unit 27 and show output control unit 28.
Like Fig. 4 and shown in Figure 6; The input end of the internal electric source module 20 of present embodiment links to each other with input electric connector 21, and the output terminal of internal electric source module 20 links to each other with temperature collecting cell 1, controlled processing unit 22, voltage-regulation unit 24, electric parameter collecting unit 25, communication unit 27, demonstration output control unit 28 respectively.
As shown in Figure 7, power distribution unit 3 is made up of load module 31, wiring collection module 32, output module 33.Load module 31 adopts Three-phase five-wire industry connector, requires its load current ability to be not less than 32A, and its outside is connected with panel box 2, and inside is connected with wiring collection module 32.Wiring collection module 32 is used for a load module 31 is linked to each other with a plurality of output modules 33.Output module 33 comprises splicing ear and display module, and splicing ear can adopt IEC320C13 or IEC320C14 or IEC320C19 or multiple power supply interfaces such as U.S. mark, Europe superscript, and display module can adopt the light emitting diode of different colours as required.In the present embodiment, the quantity of power distribution unit 3 also can be adjusted as required, can use one or more power distribution unit 3 and panel box 2 to realize the power supply supply of a rack.In addition, except the panel box of present embodiment 2 through power distribution unit 3 for data equipment supplies power, also can directly use panel box 2 to supply power as data equipment.In the present embodiment, the load module 31 of power distribution unit 3 adopts the connector design with output module 33, is convenient to dismounting, maintains easily.
1 pair of rack air intake/output end of temperature collecting cell mouth temperature of passing through of present embodiment is carried out monitoring calculation, the working current of data equipment is gathered, and the power-supply controller of electric of fan voltage and data equipment is controlled, and makes that the rack distribution of the high-power data equipment of high density is simple more, configuration is more flexible; More be prone to expansion, perfection has realized the support mission to the high-efficiency computer system running environment, guarantees security of system, stable, operation reliably; Realized the autonomous electric energy management of Single Cabinet simultaneously; And the form that present embodiment connects a plurality of power distribution units 3 through panel box 2 reduced distribution progression directly for data equipment provides AC power, and casing is light; Flexible configuration; Easy for installation, reduce consumption to service cable, improved power supply quality; Reduce line loss, practiced thrift the energy and system operation cost.Present embodiment is compared rack distribution product in the past through the form of a plurality of power distribution units 3 of panel box 2 connections, under the suitable condition of physical dimension, has significantly improved output power, makes that further improving the high-performance computer system packing density becomes possibility.Present embodiment has been applied in the high-efficiency computer system at several national supercomputing centers and plurality of data center; The rack energy consumption of high-efficiency computer system can be practiced thrift through checking, and power management can be conveniently implemented wherein computer equipment.
The course of work of present embodiment is following:
A1) one group of temperature difference threshold value is set; And the output voltage that an association is set for each temperature difference threshold value obtains being used to regulate the temperature difference threshold value-output voltage meter of cabinet fan voltage, and temperature difference threshold value-output voltage meter is stored in the predeterminated voltage information memory cell 222;
A2), obtain the temperature difference T of intake air temperature T1 and air outlet temperature T 2 through temperature difference computing module 221 through the intake air temperature T1 and the air outlet temperature T 2 of temperature collecting cell 1 detection rack;
A3) temperature difference threshold value-output voltage meter of searching in the predeterminated voltage information memory cell 222 according to the temperature difference of fan control module 223 obtains the output voltage V that is complementary with the current temperature difference
f, and the voltage output command sent to voltage-regulation unit 24;
A4) voltage-regulation unit 24 is with output voltage V
fExport cabinet fan to.
Simultaneously, except the electric energy energy consumption of above-mentioned cabinet fan is managed the control, present embodiment also carries out the step of power supply control according to the electric current of standby data equipment, and the concrete steps of carrying out power supply control according to the electric current of standby data equipment are following:
B1) one group of working current threshold value is set; And the power opening state that an association is set for each working current threshold value obtains current threshold-power supply status parameter list, and with current threshold-power supply status parameter table stores in preset state information memory cell 224;
B2) detect the electric current of each output electric connector 23 through electric parameter collecting unit 25, thereby obtain being connected in the rack working current of the data equipment on the power distribution unit 3;
B3) current threshold-power supply status parameter list of searching in the preset state information memory cell 224 according to the working current of data equipment of power switch control module 225 obtains the power supply status parameter that is complementary with the current working current of each data equipment;
B4) power switch control module 225 is controlled the switching-on and switching-off state of each isolating switch 261 in the rack successively according to the power supply status parameter, and then realizes the control to data device power supply (DPS) break-make.
Below only be preferred implementation of the present invention, protection scope of the present invention also not only is confined to the foregoing description, and all technical schemes that belongs under the thinking of the present invention all belong to protection scope of the present invention.Should be pointed out that for those skilled in the art in the some improvement and the retouching that do not break away under the principle of the invention prerequisite, these improvement and retouching also should be regarded as protection scope of the present invention.
Claims (8)
1. energy-saving control method that is used for rack is characterized in that implementation step is following:
1) one group of temperature difference threshold value is set, and the output voltage that an association is set for each temperature difference threshold value obtains being used to regulate the temperature difference threshold value-output voltage meter of cabinet fan voltage;
2) detect the intake air temperature and the air outlet temperature of rack, obtain the temperature difference of said intake air temperature and air outlet temperature;
3) search said temperature difference threshold value-output voltage meter according to the said temperature difference and obtain the output voltage that is complementary with the current temperature difference;
4) export said output voltage to cabinet fan.
2. the energy-saving control method that is used for rack according to claim 1 is characterized in that, the function expression of said temperature difference threshold value-output voltage meter is following:
Wherein, V
fBe output voltage, V
0Be the rated voltage of cabinet fan, Δ T>=x, y＜Δ T＜x, 0＜Δ T≤y and Δ T=0 represent 4 temperature difference threshold values respectively, and Δ T is the temperature difference, and x is that the highest temperature that data equipment allows in the rack is appreciated, and y appreciates for preset stagnation temperature.
3. the energy-saving control method that is used for rack according to claim 1 and 2 is characterized in that also comprising the step of carrying out power supply control according to the electric current of standby data equipment, and the concrete steps that said electric current according to the standby data equipment carries out power supply control are following:
A) one group of working current threshold value is set, and the power opening state that an association is set for each working current threshold value obtains current threshold-power supply status parameter list;
B) working current of each data equipment in the detection rack;
C) search said current threshold-power supply status parameter list according to the working current of data equipment and obtain the power supply status parameter that is complementary with the current working current of each data equipment;
D) successively according to the switching-on and switching-off state of each data equipment in the said power supply status parameter control rack.
4. the energy-saving control method that is used for rack according to claim 3 is characterized in that, the function expression of said current threshold-power supply status parameter list is following:
Wherein, S
dPower supply status parameter for the rack data equipment; It is electric power starting that on represents the power supply status parameter, and it is power-off that off represents the power supply status parameter, and B＜I≤A, I≤B, I＞A and Δ T>=x represent 3 working current threshold values respectively; A is the theoretical peak static current of lcd value of data equipment; B is the stand-by power consumption current value of data equipment, and I is for detecting the working current of the data equipment that obtains, and Δ T is the temperature difference of rack intake air temperature and air outlet temperature.
5. energy-saving control device that is used for rack; It is characterized in that: it comprises the temperature collecting cell (1) that is used to gather rack intake air temperature and air outlet temperature, a plurality of power distribution units (3) that are used to manage the panel box (2) of control power supply supply and are used for providing to data equipment AC power; Said panel box (2) comprises input electric connector (21), controlled processing unit (22), is used to regulate voltage-regulation unit (24) and a plurality of output electric connector (23) of cabinet fan voltage; Said input electric connector (21) links to each other with power distribution unit (3) through output electric connector (23); Said controlled processing unit (22) comprises the temperature difference computing module (221), the predeterminated voltage information memory cell (222) that is used to store temperature difference threshold value-output voltage meter that are used to calculate rack intake air temperature and air outlet temperature-difference, be used for exporting according to the temperature difference and temperature difference threshold value-output voltage meter the fan control module (223) of corresponding output voltage; The input end of said temperature difference computing module (221) links to each other with temperature collecting cell (1); Said temperature difference computing module (221), predeterminated voltage information memory cell (222) link to each other with fan control module (223) respectively, and the output terminal of said fan control module (223) links to each other with cabinet fan through voltage-regulation unit (24).
6. the energy-saving control device that is used for rack according to claim 5; It is characterized in that: said panel box (2) also comprises the protection control module (26) that is used to gather the electric parameter collecting unit (25) of each data equipment working current and is used for control data device power supply (DPS) break-make; The input end of said electric parameter collecting unit (25) links to each other with each output electric connector (23) respectively; Said protection control module (26) comprises the identical a plurality of isolating switchs (261) of quantity with output electric connector (23); Said input electric connector (21) links to each other with each output electric connector (23) through isolating switch (261) respectively, and the control end of said isolating switch (261) all links to each other with said power switch control module (225); Said controlled processing unit (22) also comprises the preset state information memory cell (224) that is used for storaging current threshold value-power supply status parameter list and according to the power switch control module (225) of data equipment working current, current threshold-power supply status parameter list output data device power supply (DPS) state parameter; Said electric parameter collecting unit (25), preset state information memory cell (224) link to each other with power switch control module (225) respectively, and the output terminal of said power switch control module (225) links to each other with the power-supply controller of electric of data equipment.
7. the energy-saving control device that is used for rack according to claim 6; It is characterized in that: said protection control module (26) also comprises the identical a plurality of earth leakage protective devices (262) of quantity with output electric connector (23), and said earth leakage protective device (262) is connected in series with isolating switch (261).
8. the energy-saving control device that is used for rack according to claim 7; It is characterized in that: said panel box (2) also comprise be used for the consumption information of each power distribution unit (3) carry out network output and to controlled processing unit (22) transmit the external control order communication unit (27), be used for said consumption information is shown the demonstration output control unit (28) of output, said communication unit (27), show that output control unit (28) links to each other with controlled processing unit (22) respectively.
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| CN 201210083255 CN102622007B (en) | 2012-03-27 | 2012-03-27 | Energy-saving control method and device for cabinet |
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| CN 201210083255 CN102622007B (en) | 2012-03-27 | 2012-03-27 | Energy-saving control method and device for cabinet |
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| CN102957366A (en) * | 2012-09-18 | 2013-03-06 | 青岛海信日立空调系统有限公司 | Permanent magnet synchronous motor control method and device and air conditioning equipment |
| CN103411377A (en) * | 2013-08-29 | 2013-11-27 | 合肥美的电冰箱有限公司 | Microwave oven refrigerator and control method of radiating motor thereof |
| CN107087314A (en) * | 2016-12-29 | 2017-08-22 | 大唐湘潭发电有限责任公司 | The method that switchgear acts the frequency is reduced in a kind of regulating system of switchgear and analog machine combination |
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| CN102957366A (en) * | 2012-09-18 | 2013-03-06 | 青岛海信日立空调系统有限公司 | Permanent magnet synchronous motor control method and device and air conditioning equipment |
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| CN107087314A (en) * | 2016-12-29 | 2017-08-22 | 大唐湘潭发电有限责任公司 | The method that switchgear acts the frequency is reduced in a kind of regulating system of switchgear and analog machine combination |
| CN107087314B (en) * | 2016-12-29 | 2018-06-26 | 大唐湘潭发电有限责任公司 | A kind of method that the switchgear action frequency is reduced in switchgear and the regulating system of analog machine combination |
| CN107256189A (en) * | 2017-06-12 | 2017-10-17 | 郑州云海信息技术有限公司 | A kind of server power block leaving air temp monitoring method and device |
| CN107624029A (en) * | 2017-10-27 | 2018-01-23 | 烟台北方星空自控科技有限公司 | A kind of mobile unit Intelligent heat dissipation device |
| CN108235652A (en) * | 2017-12-27 | 2018-06-29 | 青岛海尔空调电子有限公司 | For the heat management device and method of computer room |
| CN110165783A (en) * | 2019-06-03 | 2019-08-23 | 长沙而道新能源科技有限公司 | Inter-act intelligence distribution system based on Internet of Things framework |
| CN110165783B (en) * | 2019-06-03 | 2020-08-11 | 深圳极数充物联技术有限公司 | Bidirectional interactive intelligent power distribution and utilization system based on Internet of things architecture |
| CN111076344A (en) * | 2019-12-09 | 2020-04-28 | 珠海格力电器股份有限公司 | Control method and system for automatically adjusting fan frequency reduction rate and storage medium |
| CN111654163A (en) * | 2020-05-11 | 2020-09-11 | 浙江富春江水电设备有限公司 | Efficient heat dissipation system for pole coil of hydraulic generator |
| CN111654158A (en) * | 2020-05-11 | 2020-09-11 | 浙江富春江水电设备有限公司 | Control method of large-capacity generator set heat dissipation system |
| CN112765859A (en) * | 2021-01-27 | 2021-05-07 | 胜达克半导体科技(上海)有限公司 | Temperature management method based on automatic testing machine |
| CN112765859B (en) * | 2021-01-27 | 2024-02-06 | 胜达克半导体科技(上海)股份有限公司 | Temperature management method based on automatic testing machine |
| CN113008412A (en) * | 2021-03-17 | 2021-06-22 | 阳光电源股份有限公司 | Method, device and system for detecting abnormal heat dissipation of air duct and readable storage medium |
| CN113391662A (en) * | 2021-07-21 | 2021-09-14 | 浙江程运医学科技有限公司 | Real-time monitoring system for mri working state internet of things |
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