CN104679195A - Computer heat radiating and cooling system and control method thereof - Google Patents
Computer heat radiating and cooling system and control method thereof Download PDFInfo
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- CN104679195A CN104679195A CN201510112224.6A CN201510112224A CN104679195A CN 104679195 A CN104679195 A CN 104679195A CN 201510112224 A CN201510112224 A CN 201510112224A CN 104679195 A CN104679195 A CN 104679195A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
Abstract
The invention relates to a computer heat radiating and cooling system and a control method thereof and belongs to the field of machines. In order to solve the problem that a computer emits heat in the prior art, the invention provides the computer heat radiating and cooling system and the control method thereof. The computer heat radiating and cooling system comprises more than three cooling pipes, a cooling device, a water cooling head and a water pump, wherein the water cooling head is arranged on a part to be cooled, two cooling pipes are respectively connected with the water inlet and the water outlet of the water cooling head, the cooling pipe is further connected with the inlet of the water pump, the outlet of the water pump is connected with a third cooling pipe, the cooling pipe connected with the outlet of the water pump is connected with the water inlet of the cooling device, and the cooling pipe connected with the water inlet of the water cooling head is connected with the water outlet of the cooling device. The computer heat radiating and cooling system and the control method thereof have the advantages that the heat emitted by the computer is effectively reduced, the service life of the computer is increased and the current loss is reduced; since the emitted heat amount of the computer is estimated according to the current operating load of the computer and the working capacity of the heat radiating and cooling system is prepared in advance, the energy consumption is reduced and the efficiency of the heat radiating and cooling system is improved.
Description
affiliated field
The invention belongs to mechanical field, particularly a kind of computer heat radiation cooling system and control method thereof.
Background technology
High temperature is the formidable enemy of integrated circuit.High temperature not only can cause system cloud gray model unstable, and serviceable life shortens, and even likely makes some parts burn.Cause the heat of high temperature except outside from computing machine, major part is from computer-internal.The effect of heating radiator is exactly by these heat absorption, ensures that the temperature of machine element is normal.The kind of heating radiator is very many, and CPU, video card, board chip set, hard disk, cabinet, power supply even CD-ROM drive and internal memory all can need heating radiator, and these different heating radiators can not be used with, and what wherein the most often contact is exactly the heating radiator of CPU.Finely divided hot mode, can be divided into air-cooled, heat pipe, water-cooled, semiconductor refrigerating, compressor cooling etc.Water-cooled uses liquid forced circulation under the drive of pump to take away the heat of heating radiator, have compared with air-cooled peace and quiet, cooling stable, to little etc. the advantage of condition depended.The heat dispersion of water-filled radiator is directly proportional to wherein cooling fluid (water or other liquid) flow velocity, and the flow velocity of refrigerating fluid is relevant to refrigeration system pump power again.And the thermal capacity of water is large, this just makes water-cooled refrigeration system have good thermal load capacity.Be equivalent to 5 times of air cooling system, the direct benefit caused is exactly that CPU operational temperature curve is very mild.Such as, use the system of air-cooled radiator can occur temperature thermal spike at short notice when the program that operation cpu load is larger, or likely exceed CPU warning temperature, water-cooling heat radiating system is then large due to thermal capacity, and heat fluctuation is relatively much smaller.From water-cooling principle, active water-cooled and the large class of passive type water-cooled two can be divided into.Active water-cooled, except possessing except the whole accessory of water-filled radiator, also needs to install radiator fan in addition and carrys out supplement heat rejecter water-cooled.But the efficiency that installation radiator fan carrys out supplement heat rejecter water-cooled is low, works as needs
One to summer, outdoor temperature is too high, add that summer is peak of power consumption, cable load is excessive, along with consumer continuous increase in the line, the electric current that cable bears is also increasing, secondly cable is along with the passing of service time, and cable exists the phenomenons such as aging, and its current-carrying capacity is also by reduction in various degree, once electric current exceeds rated current-carrying capacity, cable will generate heat, and after reaching uniform temperature, cable will puncture, burn, and will cause fire time serious, cable spontaneous combustion danger close, fire extinguishing difficulty is larger.In view of the cable that catches fire has electricity, can not going out with water, add if there are fire goods around, or other cables to igniting, initiation fire burning building, be easy to cause unmanageable fire situation.Be not only the electricity consumption time having stopped over the common people in high temperature sky, even can jeopardize life.Therefore, how to aerial cables cooling, be a very important problem.
Summary of the invention
In order to solve the problem of the computer heating described in background technology, the invention provides a kind of computer heat radiation cooling system and control method thereof.
The present invention's adopted technical scheme that solves the problem is as follows:
A kind of computer heat radiation cooling system, comprise the cooling tube of more than three, cooling device, water-cooling head and water pump, it is characterized in that: water-cooling head is arranged on cooled piece, two cooling tubes connect water inlet and the water delivering orifice of water-cooling head respectively, the cooling tube connecting water-cooling head water delivering orifice is also connected with the import of water pump, water delivery side of pump connects the 3rd cooling tube, connect the cooling tube of exit of pump to be connected with the water inlet of cooling device, the cooling tube connecting water-cooling head water inlet is connected with the water delivering orifice of cooling device.
Described cooling tube is flexible pipe, described cooling device comprises refrigerating module and module of giving vent to anger, wherein refrigerating module comprises housing, is arranged in housing and the water sprinkler be connected with the water inlet of hot water on housing, housing upper end is provided with exhausr port and water inlet of hot water, and lower end is provided with cold water water delivering orifice and is arranged on the air intake opening on cold water water delivering orifice top; Module of giving vent to anger comprises the extraction fan be arranged on housing below exhausr port and the gas outlet be connected with housing exhausr port.
Described cooling device also comprises reserve tank, connects the water delivering orifice of reserve tank and the filling pipe of cooling device water inlet of hot water, and filling pipe is provided with switch.
Described housing is also provided with control module, control module comprises temperature sensor, level sensor, water storage tank water level sensor, wire and processing module, temperature sensor, level sensor is connected with processing module by wire respectively with water storage tank water level sensor, processing module is by wire and extraction fan, the switch that filling pipe is arranged connects, temperature sensor is arranged in the water in the cooling tube connecting water-cooling head water inlet, level sensor is arranged in housing, water storage tank water level sensor setting is in the water of reserve tank, processing module is arranged on outside.
Described water-cooling head can multiplely be connected, and shares a cooling device.
A control method for Cable cooling system, the steps include:
The first step, the temperature sensor be arranged in cooling tube records the temperature T1 of the water in cooling tube, the level sensor be arranged in housing records the water level X1 in housing, the water storage tank water level sensor be arranged in reserve tank records the water level X2 in reserve tank, and the temperature T1 of the water in cooling tube, water level X1 and water level X2 are passed to processing module by temperature sensor, level sensor and water storage tank water level sensor respectively;
Second step; Temperature T1, water level X1 and water level X2, the temperature T1 of processing module reception water deduct the target water temperature T pre-set, and obtain temperature gap △ T1;
3rd step, processing module judges that whether water level X1 is less than or equal to target water level X, if whether water level X1 is less than or equal to target water level X, processing module controls the switch opens on filling pipe, and the water in reserve tank is entered in housing by water sprinkler, until water level X1 reaches the peak level X3 in the cooling tube that pre-sets, the switch that processing module controls on filling pipe cuts out, if water level X1 is higher than target water level X, lower than peak level X3, processing module does not send signal;
Processing module judges that whether water level X2 is less than or equal to warning line, if water level X2 is less than or equal to warning line, processing module gives a warning, if water level X2 is higher than warning line, processing module does not give a warning;
Processing module judges whether temperature gap △ T1 is more than or equal to the positive negativity of warning temperature and temperature gap △ T1, if temperature gap △ T1 is negative, processing module controls extraction fan and reduces rotating speed, controls water pump and reduces operating power, reduce the mobility of water in cooling tube; If temperature gap △ T1 is for just and temperature gap △ T1 is more than or equal to warning temperature, processing module is controlling extraction fan and is increasing speed, and controls water pump and increases operating power, strengthen the mobility of water in cooling tube; Return the first step.
Described processing module comprise a kind of determine according to the operating load of current cooled piece and the temperature of air after the temperature of cooled piece and the BP neural network of the temperature T1 of water.
Described BP neural network, model is set up and is divided into following 2 steps:
Step one, the determination of network structure
Set up the network structure of BP neural network model in engineer applied, the content determined is as follows:
1. input layer number
First will input data " normalization " to limited range [between [0,1];
The operating load of cable and the temperature of air are defined as the input layer of BP neural network model, the input layer number of BP neural network model is 2;
2. output layer nodes is 1
3. the choosing of node in hidden layer
Determine that node in hidden layer is 15, so far traditional BP neural network structure is own through determining, its model structure is 2x15 x1;
Step 2, the setting of network parameter
1. learning rate v span is [0.5,2.5];
2. smoothing factor a span is [[0.5,0.9];
3. learning error E controls in [0. 005,0.01].
The invention has the beneficial effects as follows: the present invention effectively reduces the heating of computer, add the life-span of computer, reduce the loss of electric current.And the present invention estimates the thermal value of computer by the operating load of current computer, gets out the workload of heat radiation cooling system in advance, energy consumption and the efficiency that improve heat radiation cooling system are saved.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Wherein, 1 be cooling tube, 2 be cooling device, 4 be hot-water line, 5 be cold water pipe, 6 be refrigerating module, 7 be air inlet module, 8 be air inlet module, 61 be housing, 62 be water sprinkler, 81 be extraction fan, 82 for gas outlet, 9 is control module.
Embodiment
Be illustrated in figure 1 wherein a kind of embodiment of the present invention.
A kind of computer heat radiation cooling system, comprise the cooling tube 1 of more than three, cooling device 2, water-cooling head 3 and water pump 4, water-cooling head 3 is arranged on cooled piece, two cooling tubes 1 connect water inlet and the water delivering orifice of water-cooling head 3 respectively, the cooling tube 1 connecting water-cooling head 3 water delivering orifice is also connected with the import of water pump 4, the outlet of water pump 4 connects the 3rd cooling tube 1, the cooling tube 1 connecting water pump 4 outlet is connected with the water inlet of cooling device 2, and the cooling tube 1 connecting water-cooling head 3 water inlet is connected with the water delivering orifice of cooling device 2.
For the ease of installing, described cooling tube 1 is flexible pipe, cooling device 2 comprises refrigerating module 6 and module 8 of giving vent to anger, wherein refrigerating module 6 comprises housing 61, is arranged in housing 61 and the water sprinkler 62 be connected with the water inlet of hot water on housing 61, housing 61 upper end is provided with exhausr port and water inlet of hot water, and lower end is provided with cold water water delivering orifice and is arranged on the air intake opening on cold water water delivering orifice top; Module of giving vent to anger 8 comprises the extraction fan 81 be arranged on housing 61 below exhausr port and the gas outlet 82 be connected with housing 61 exhausr port.
Described cooling device 2 is provided with reserve tank 7, connects the water delivering orifice of reserve tank 7 and the filling pipe 5 of cooling device 2 water inlet of hot water, and filling pipe 5 is provided with switch.
Described housing 61 is also provided with control module 9, control module 9 comprises temperature sensor, level sensor, water storage tank water level sensor, wire and processing module, temperature sensor, level sensor is connected with processing module by wire respectively with water storage tank water level sensor, processing module is by wire and extraction fan 81, the switch that filling pipe 5 is arranged connects, temperature sensor is arranged in the water in the cooling tube 1 connecting water-cooling head 3 water inlet, level sensor is arranged in housing 61, water storage tank water level sensor setting is in the water of reserve tank 7, it is outside that processing module is arranged on housing 61.
Described water-cooling head 3 can multiplely be connected, and shares a cooling device 2.
A kind of control method of computer heat radiation cooling system, step one, the temperature sensor be arranged in cooling tube 1 records the temperature T1 of the water in cooling tube 1, the level sensor be arranged in housing 61 records the water level X1 in housing 61, the water storage tank water level sensor be arranged in reserve tank 7 records the water level X2 in reserve tank 7, and the temperature T1 of the water in cooling tube 1, water level X1 and water level X2 are passed to processing module by temperature sensor, level sensor and water storage tank water level sensor respectively;
Step 2, temperature T1, water level X1 and water level X2, the temperature T1 of processing module reception water deduct the target water temperature T pre-set, and obtain temperature gap △ T1;
Step 3, processing module judges that whether water level X1 is less than or equal to target water level X, if whether water level X1 is less than or equal to target water level X, processing module controls the switch opens on filling pipe 5, and the water in reserve tank 7 is entered in housing 61 by water sprinkler 62, until water level X1 reaches the peak level X3 in the cooling tube 1 that pre-sets, the switch that processing module controls on filling pipe 5 cuts out, if water level X1 is higher than target water level X, lower than peak level X3, processing module does not send signal;
Step 4, processing module judges that whether water level X2 is less than or equal to warning line, if water level X2 is less than or equal to warning line, processing module gives a warning, if water level X2 is higher than warning line, processing module does not give a warning;
Step 5, processing module judges whether temperature gap △ T1 is more than or equal to the positive negativity of warning temperature and temperature gap △ T1, if temperature gap △ T1 is negative, processing module controls extraction fan 81 and reduces rotating speed, control water pump 4 and reduce operating power, reduce the mobility of water in cooling tube 1; If temperature gap △ T1 is for just and temperature gap △ T1 is more than or equal to warning temperature, processing module is controlling extraction fan 81 and is increasing speed, and controls water pump 4 and increases operating power, strengthen the mobility of water in cooling tube 1; Return the first step.
Sensitiveer in order to make processing module reflect, reduce the fluctuation of cooled piece surface temperature, processing module also comprises a kind of BP neural network, BP neural network determine according to the operating load of current cooled piece and the temperature of air after the temperature of cooled piece and the temperature T1 of water, temperature T1 according to the water of prediction obtains temperature gap △ T1, processing module judges whether temperature gap △ T1 is more than or equal to the positive negativity of warning temperature and temperature gap △ T1, if temperature gap △ T1 is negative, processing module controls extraction fan 81 and reduces rotating speed, control two pumps be separately positioned in hot-water line 4 and cold water pipe 5 and reduce operating power, reduce the mobility of water in cooling tube 1, if temperature gap △ T1 is for just and temperature gap △ T1 is more than or equal to warning temperature, processing module is controlling extraction fan 81 and is increasing speed.
BP neural network is used to strengthen computer heat radiation cooling system.Using the operating load of cooled piece and the temperature of air as two input variables of BP neural network, carry out the calculating of cooled piece thermal value, and push over out the accounting temperature of cooled piece, pre-service is carried out to computer cooling system.
The model of BP neural network is set up
Be divided into following 2 steps:
1) determination of network structure
Set up the network structure of BP neural network model in engineer applied, the content that needs are determined is as follows:
1. input layer number
The number of input layer how much depends on the dimension of data source and it is to the size of sample value disturbance degree.In addition, artificial neural network can only process numeric type data, if there are the data of non-numeric type in source data, and first will by external information conversion or coding.Generally need first to input data " normalization " to limited range [between [0,1].
Determine that the input layer of BP neural network model is: the operating load of cooled piece and the temperature of air.Therefore the input layer number of BP neural network model is 2.
2. output layer node number
In common engineering, the number of output layer node is 1; If have multiple output also can construct multi output network or multiple single output network is studied respectively.For carrying out the calculating of computer thermal value in the present invention, and the network model output layer nodes of the accounting temperature of pushing over out cooled piece is 1, and its physical significance is the accounting temperature of cooled piece.
3. the choosing of node in hidden layer
Common neural network model is single hidden layer model, and choosing node in hidden layer is a complicated problem.Node in hidden layer very little, may cause network not restrained, and node in hidden layer is too many, long or result of calculation is unstable between one when may cause sample learning.The present invention adopts experience trial and error procedure, finally determines that node in hidden layer is 15.So far traditional BP neural network structure is own through determining, its model structure is 2x15 x1.
2) setting of network parameter
The network parameter of BP neural network model comprises: learning rate v, smoothing factor a, learning error E, network parameter the whether reasonable speed that can have influence on network learning and training is set.
1. learning rate v is [0.5,2.5] by tentative calculation suggestion span.Test finds, the selection of the learning rate sliding factor integration that is desirous of peace considers just to be conducive to the optimization of network model.
2. smoothing factor a: the introducing of smoothing factor makes learning rate be no longer constant value, but change along with the change of iteration error, but smoothing factor is also unsuitable excessive, is [[0.5 by tentative calculation suggestion span, 0.9], if value is excessive easily enter saturation region.
3. learning error E: the size of study medial error can impact inspection medial error, and general study medial error is less, and inspection medial error is also less.But study medial error is less, and pace of learning is also slower, does not even restrain, if study medial error is too little, can cause Expired Drugs, even if network can be restrained, inspection medial error also can produce resilience, by a large amount of tentative calculation, study medial error is adopted to control in [0. 005,0.01].
By above 2 steps, complete the foundation of BP neural network model.
Conclusion
The present invention operationally states on the basis of BP neural network model work, obtains drawing a conclusion:
1) structure of BP neural network model is 2x15 x1.Namely input layer has 2: the operating load of cooled piece and the temperature of air.Output layer has 1: the accounting temperature of cooled piece.Hidden layer quantity is 15.
2) the study medial error of BP neural network model is 1 0. 013 m, and inspection medial error is 10.049 m.
Claims (8)
1. a computer heat radiation cooling system, comprise the cooling tube (1) of more than three, cooling device (2), water-cooling head (3) and water pump (4), it is characterized in that: water-cooling head (3) is arranged on cooled piece, two cooling tubes (1) connect water inlet and the water delivering orifice of water-cooling head (3) respectively, the cooling tube (1) connecting water-cooling head (3) water delivering orifice is also connected with the import of water pump (4), the outlet of water pump (4) connects the 3rd cooling tube (1), the cooling tube (1) that connection water pump (4) exports is connected with the water inlet of cooling device (2), the cooling tube (1) connecting water-cooling head (3) water inlet is connected with the water delivering orifice of cooling device (2).
2. computer heat radiation cooling system according to claim 1, it is characterized in that: described cooling tube (1) is flexible pipe, described cooling device (2) comprises refrigerating module (6) and module of giving vent to anger (8), wherein refrigerating module (6) comprises housing (61), is arranged in housing (61) and the water sprinkler (62) be connected with the water inlet of hot water on housing (61), housing (61) upper end is provided with exhausr port and water inlet of hot water, and lower end is provided with cold water water delivering orifice and is arranged on the air intake opening on cold water water delivering orifice top; Module of giving vent to anger (8) comprises the extraction fan (81) be arranged on below the upper exhausr port of housing (61) and the gas outlet (82) be connected with housing (61) exhausr port.
3. computer heat radiation cooling system according to claim 1, it is characterized in that: described cooling device (2) also comprises reserve tank (7), connects the water delivering orifice of reserve tank (7) and the filling pipe (5) of cooling device (2) water inlet of hot water, and filling pipe (5) is provided with switch.
4. computer heat radiation cooling system according to claim 2, it is characterized in that: described housing (61) is also provided with control module (9), control module (9) comprises temperature sensor, level sensor, water storage tank water level sensor, wire and processing module, temperature sensor, level sensor is connected with processing module by wire respectively with water storage tank water level sensor, processing module is by wire and extraction fan (81), the upper switch arranged of filling pipe (5) connects, temperature sensor is arranged in the water in the cooling tube (1) connecting water-cooling head (3) water inlet, level sensor is arranged in housing (61), water storage tank water level sensor setting is in the water of reserve tank (7), it is outside that processing module is arranged on housing (61).
5. the computer heat radiation cooling system according to Claims 1 to 4 any one, is characterized in that: described water-cooling head (3) can multiplely be connected, and shares a cooling device (2).
6. a control method for computer heat radiation cooling system, is characterized in that:
Step one, the temperature sensor be arranged in cooling tube (1) records the temperature T1 of the water in cooling tube (1), the level sensor be arranged in housing (61) records the water level X1 in housing (61), the water storage tank water level sensor be arranged in reserve tank (7) records the water level X2 in reserve tank (7), and the temperature T1 of the water in cooling tube (1), water level X1 and water level X2 are passed to processing module by temperature sensor, level sensor and water storage tank water level sensor respectively;
Step 2, temperature T1, water level X1 and water level X2, the temperature T1 of processing module reception water deduct the target water temperature T pre-set, and obtain temperature gap △ T1;
Step 3, processing module judges that whether water level X1 is less than or equal to target water level X, if whether water level X1 is less than or equal to target water level X, processing module controls the switch opens on filling pipe (5), water in reserve tank (7) enters in housing (61) by water sprinkler (62), until water level X1 reaches the peak level X3 in the cooling tube (1) that pre-sets, the switch that processing module controls on filling pipe (5) cuts out, if water level X1 is higher than target water level X, lower than peak level X3, processing module does not send signal;
Step 4, processing module judges that whether water level X2 is less than or equal to warning line, if water level X2 is less than or equal to warning line, processing module gives a warning, if water level X2 is higher than warning line, processing module does not give a warning;
Step 5, processing module judges whether temperature gap △ T1 is more than or equal to the positive negativity of warning temperature and temperature gap △ T1, if temperature gap △ T1 is negative, processing module controls extraction fan (81) and reduces rotating speed, control water pump (4) and reduce operating power, reduce the mobility of cooling tube (1) interior water; If temperature gap △ T1 is for just and temperature gap △ T1 is more than or equal to warning temperature, processing module is controlling extraction fan (81) and is increasing speed, and controls water pump (4) and increases operating power, strengthen the mobility of cooling tube (1) interior water; Return the first step.
7. the control method of computer heat radiation cooling system according to claim 6, is characterized in that: described processing module comprise a kind of determine according to the operating load of current cooled piece and the temperature of air after the temperature of cooled piece and the BP neural network of the temperature T1 of water.
8. the control method of computer heat radiation cooling system according to claim 7, is characterized in that: described BP neural network, and model is set up and is divided into following 2 steps:
Step one, the determination of network structure
Set up the network structure of BP neural network model in engineer applied, the content determined is as follows:
1. input layer number
First will input data " normalization " to limited range [between [0,1];
The operating load of cable and the temperature of air are defined as the input layer of BP neural network model, the input layer number of BP neural network model is 2;
2. output layer nodes is 1
3. the choosing of node in hidden layer
Determine that node in hidden layer is 15, so far traditional BP neural network structure is own through determining, its model structure is 2x15 x1;
Step 2, the setting of network parameter
Practising speed v span is [0.5,2.5];
2. smoothing factor a span is [[0.5,0.9];
3. learning error E controls in [0. 005,0.01].
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| CN112612340A (en) * | 2021-01-05 | 2021-04-06 | 青岛黄海学院 | Automatic heat dissipation and dust removal device for computer case |
| CN112612340B (en) * | 2021-01-05 | 2022-06-03 | 青岛黄海学院 | Automatic heat dissipation and dust removal device for computer case |
| CN114490275A (en) * | 2022-04-11 | 2022-05-13 | 江苏嘉擎信息技术有限公司 | MCU-based host monitoring control method, system, electronic equipment and medium |
| CN114490275B (en) * | 2022-04-11 | 2022-07-19 | 江苏嘉擎信息技术有限公司 | MCU-based host monitoring control method, system, electronic equipment and medium |
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Application publication date: 20150603 |