CN103303127A - Combined heat-radiating system and engineering machinery - Google Patents
Combined heat-radiating system and engineering machinery Download PDFInfo
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- CN103303127A CN103303127A CN2013102825786A CN201310282578A CN103303127A CN 103303127 A CN103303127 A CN 103303127A CN 2013102825786 A CN2013102825786 A CN 2013102825786A CN 201310282578 A CN201310282578 A CN 201310282578A CN 103303127 A CN103303127 A CN 103303127A
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/88—Optimized components or subsystems, e.g. lighting, actively controlled glasses
Abstract
The invention relates to a combined heat-radiating system and engineering machinery. The invention discloses the combined heat-radiating system which comprises a heat radiator, a spray nozzle, a medium box, pumping equipment and a fan, wherein the spray nozzle is formed in one side of the heat radiator and is used for spraying a cooling medium to the heat radiator; the medium box is used for storing the cooling medium; the suction end of the pumping equipment is communicated with the medium box through a pipeline, and the ejection end of the pumping equipment is communicated with the spray nozzle; the fan is used for performing air cooling to the heat radiator. The combined heat-radiating system disclosed by the invention has the benefits that when the temperature of the engineering machinery is overhigh, the rotating speed of the fan is not only required to be increased, and the power of an engine is also not required to be additionally increased; the combined heat-radiating system conforms to the theme of green and energy-saving development in modern society; as for the heat-radiating system of which the rotating speed of the fan can not be changed, the heat-radiating efficiency can be remarkably improved through ejecting the cooling medium to prevent overhigh temperature of a main machine. The invention also discloses the engineering machinery with the combined heat-radiating system.
Description
Technical field
The present invention relates to the cooling system technical field, more particularly, relate to a kind of combined type heat radiating system and construction machinery and equipment.
Background technology
Can produce a large amount of used heat during other construction machinery and equipment work such as bulldozer, the system temperature of construction machinery and equipment is raise.Heat need in time distribute, cool off, in order to avoid affect the normal operation of equipment.In the prior art, these heats mainly dissipate by cycle cooling system, generally adopt at present the air cooled chiller system to dispel the heat, and namely pump air by fan radiator is cooled off.
Adopt the air cooled chiller system to dispel the heat, have two kinds of problems, the one, radiating effect is not good on some degree.Such as time in full summer, external temperature is very high, as it is untimely to add radiator heat-dissipation, tends to cause machine temperature too high and can't work; The 2nd, the power of air cooled chiller system consumption is generally higher, accounts for 7%～8% of machine system power.For high-power construction machinery and equipment, the power that the fan in the air cooled chiller system consumes can't neglect more.
The factor that affects the radiator heat-dissipation ability is many-sided, mainly contains speed, the composition of fluid, the dissipating area of radiator, the rate of circulation of radiator internal water and the factors such as wall thickness of radiator that fluid (being generally air) flows through radiator.For the fan (for example temperature-controlled fan) of variable speed, mainly be at present the flow velocity by the rotating speed control fluid that changes fan, regulate the radiating effect of radiator.Generally speaking, along with the raising of engineering truck workload, the used heat of generation the more, the rotating speed of fan also increases thereupon, the power of its consumption also becomes greatly, can increase so undoubtedly the load of driving engine.
In sum, be necessary to improve the air cooled chiller system, reduce the power of fan, reduce the energy consumption of driving engine, with most of power application in the groundwork of construction machinery and equipment.
Therefore, how under the prerequisite that does not consume higher-wattage, improve the radiating effect of system, thereby reduce the energy consumption of driving engine, so that most of power can be applied to become the technical matters that those skilled in the art need to be resolved hurrily in the groundwork of construction machinery and equipment.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of combined type heat radiating system, with under the prerequisite that does not consume higher-wattage, improve the radiating effect of system, thereby reduce the energy consumption of driving engine, so that most of power can be applied in the groundwork of construction machinery and equipment;
An again core of the present invention is to provide a kind of construction machinery and equipment with combinations thereof formula cooling system.
For achieving the above object, the invention provides following technical scheme:
A kind of combined type heat radiating system comprises:
Radiator;
Nozzle, described nozzle placement are used for spraying cooling media to described radiator in a side of described radiator;
Be used for depositing the medium box of cooling media;
Pumping equipment, the suction side of described pumping equipment and described medium box are by pipeline connection, and the ejection end of described pumping equipment is communicated with described nozzle;
Described radiator is carried out air-cooled fan.
Preferably, in combinations thereof formula cooling system, described fan is induced draught fan, and described nozzle and described fan lay respectively at the both sides of described radiator, and described nozzle sprays a side in described radiator with cooling media.
Preferably, in combinations thereof formula cooling system, described fan is bleed type's fan, and described nozzle is between described fan and described radiator, and described nozzle sprays cooling media between described fan and described radiator.
Preferably, in combinations thereof formula cooling system, also comprise:
Electromagnetic valve, described electromagnetic valve are communicated between described pumping equipment and the described nozzle;
Temperature sensor, water temperature and/or driving engine oil temperature for detection of radiator obtain temperature parameter;
Controller is used for controlling described electromagnetic valve and described pumping equipment.
Preferably, in combinations thereof formula cooling system, described electromagnetic valve has off-load protection pipeline, and described off-load protection pipeline is communicated with described medium box.
Preferably, in combinations thereof formula cooling system, also comprise the level sensor for detection of liquid level in the described medium box, when liquid level was lower than default liquid level in described medium box, described electromagnetic valve controlled by described controller and described pumping equipment cuts out.
Preferably, in combinations thereof formula cooling system, when being in thin water spray compulsory mode, described electromagnetic valve controlled by described controller and described pumping equipment is opened, and presses the maximum flow work pattern;
When being in thin water spray temperature control mode, when described temperature parameter rises to the preset temperature parameter, described electromagnetic valve controlled by described controller and described pumping equipment is opened, and along with rising or the reduction of described temperature parameter, increases or reduce the open amount of described electromagnetic valve;
When being in thin water spray time preset pattern, described controller is controlled the time that described electromagnetic valve and described pumping equipment are opened according to the predefined time.
Preferably, in combinations thereof formula cooling system, when being in thin water spray time preset pattern, along with rising or the reduction of described temperature parameter, described controller increases or reduces the open amount of described electromagnetic valve.
Preferably, in combinations thereof formula cooling system, also comprise the filter that is arranged between described pumping equipment and the described medium box.
Preferably, in combinations thereof formula cooling system, described nozzle is mist-generating nozzle.
Preferably, in combinations thereof formula cooling system, described cooling media is water.
A kind of construction machinery and equipment comprises cooling system, and described cooling system is as above each described combined type heat radiating system.
Can find out from above-mentioned technical scheme, combined type heat radiating system provided by the invention, by in radiator one side nozzle being installed, by pumping equipment the cooling media in the medium box is pumped, and be delivered to by the road nozzle, finally spray to radiator by nozzle, pump the air that contains cooling media by fan again radiator is dispelled the heat.
Combined type heat radiating system provided by the invention when the construction machinery and equipment excess Temperature, needn't only increase the rotating speed of fan, does not also just need additionally to increase the power of driving engine.This also meets the green of modern society, the theme of Energy Conservation.And for the cooling system that can not change rotation speed of the fan, can significantly improve radiating effect by the ejection cooling media, avoid the operating temperature of main frame too high.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structured flowchart of the combined type heat radiating system that Fig. 1 provides for the embodiment of the invention;
The arrangement structure schematic diagram of the induced draught fan that Fig. 2 provides for the embodiment of the invention;
The arrangement structure schematic diagram of bleed type's fan that Fig. 3 provides for the embodiment of the invention;
The diagram of circuit of the combined type heat radiating system control method that Fig. 4 provides for the embodiment of the invention;
The diagram of circuit of the combined type heat radiating system control method that Fig. 5 provides for another embodiment of the present invention.
The specific embodiment
Core of the present invention is to provide a kind of combined type heat radiating system, with under the prerequisite that does not consume higher-wattage, improves the radiating effect of system, thereby reduces the energy consumption of driving engine, so that most of power can be applied in the groundwork of construction machinery and equipment;
Another core of the present invention is to provide a kind of construction machinery and equipment with combinations thereof formula cooling system.
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making all other embodiment that obtain under the creative work prerequisite.
See also Fig. 1, the structured flowchart of the combined type heat radiating system that Fig. 1 provides for the embodiment of the invention.
The combined type heat radiating system that the embodiment of the invention provides comprises radiator 1, nozzle 2, pumping equipment 5 and fan 11.
Wherein, nozzle 2 is arranged in a side of radiator 1, be used for spraying cooling media to radiator 1, nozzle 2 can directly be ejected into cooling media on the radiator 1, also can be ejected into a side of radiator 1, by air draught effect or the blowing effect of fan, cooling media is drawn onto or blows on the radiator 1, to reach the effect of cooling radiator 1.Nozzle 2 is at least one, also can be a plurality of, at nozzle 2 when being a plurality of, can be according to actual needs, a plurality of nozzle 2 is arranged apart, to increase the homogeneity of cooling media ejection.
Medium box 7 is used for depositing cooling media, and cooling media is preferably water.Specific heat of water is larger, and is easier to obtain, and price is comparatively cheap, relatively is suitable as the cooling media of radiator 1.It will be appreciated by persons skilled in the art that cooling media also can be other medium, for example can be steam water interface, also can be other aqueous system etc.
The suction side of pumping equipment 5 and medium box 7 are by pipeline connection, and the ejection end of pumping equipment 5 is communicated with nozzle 2, by the effect of pumping equipment 5, the cooling media in the medium box 7 is pumped, and by nozzle 2 ejections.
11 pairs of radiatores of fan 1 carry out air-cooled, and this fan 11 can be fan of the prior art, and it is identical that fan 11 and the position relationship of radiator 1 can be prior art, and emphasis of the present invention does not lie in this.
Combined type heat radiating system provided by the invention, by in radiator 1 one sides nozzle 2 being installed, by pumping equipment 5 cooling media in the medium box 7 is pumped, and be delivered to by the road nozzle 2, finally spray to radiator 1 by nozzle 2, pump the air that contains cooling media by fan 11 again radiator 1 is dispelled the heat.
Combined type heat radiating system provided by the invention when the construction machinery and equipment excess Temperature, needn't only increase the rotating speed of fan, does not also just need additionally to increase the power of driving engine.This also meets the green of modern society, the theme of Energy Conservation.And for the cooling system that can not change rotation speed of the fan, can significantly improve radiating effect by the ejection cooling media, avoid the operating temperature of main frame too high.
See also Fig. 2, the arrangement structure schematic diagram of the induced draught fan that Fig. 2 provides for the embodiment of the invention.
In the present invention's one specific embodiment, fan 11 is induced draught fan, nozzle 2 and fan 11 lay respectively at the both sides of radiator 1, and nozzle 2 sprays a side in radiator 1 with cooling media, be that nozzle 2 need not cooling media is directly injected on the radiator 1, only need cooling media is ejected into a side of radiator 1, the fan 11 that is positioned at radiator 1 opposite side just can be by the effect of air draught, cooling media is drawn onto on the radiator 1, so that radiator 1 is cooled off.
See also Fig. 3, the arrangement structure schematic diagram of bleed type's fan that Fig. 3 provides for the embodiment of the invention.
In the present invention's one specific embodiment, fan 11 is bleed type's fan, nozzle 2 is between fan 11 and radiator 1, and nozzle 2 sprays cooling media between fan 11 and radiator 1, be that nozzle 2 need not cooling media is directly injected on the radiator 1, only need cooling media is ejected between fan 11 and the radiator 1, fan 11 just can be by the effect of blowing, cooling media is drawn onto on the radiator 1, so that radiator 1 is cooled off.
In the present invention's one specific embodiment, nozzle 2 is mist-generating nozzle.Thin water smoke is the concept with respect to water spray, and so-called thin water smoke is to use special nozzle, by the water particulate that sprays water with high pressure and produce.At NFPA(:National Fire Protection Association, National Fire Protection Association (NFPA)) in 750, the definition of thin water smoke is: under the minimal design operation pressure, on the plane at 1 meter of nozzle, record water smoke the water mean particle dia Dv0.99 of thick part be not more than 1000 μ m.
The thin water smoke of mist-generating nozzle spray place is the water particulate, and therefore with the water of volume, significantly the heat radiation area of contact of expansion and radiator 1 improves heat-sinking capability.
In order further to optimize technique scheme, in the present invention's one specific embodiment, also comprise electromagnetic valve 3, temperature sensor 10 and controller 9.
Wherein, electromagnetic valve 3 is communicated between pumping equipment 5 and the nozzle 2, and temperature sensor 10 is connected with controller 9 communications, and water temperature and/or driving engine oil temperature for detection of radiator 1 obtain temperature parameter.Controller 9 is used for control electromagnetic valve 3 and pumping equipment 5.The unlatching of electromagnetic valve 3 and pumping equipment 5 can be subjected to the impact of temperature parameter, also can not be subjected to the impact of temperature parameter.
In order further to optimize technique scheme, electromagnetic valve 3 has off-load protection pipeline, and off-load protection pipeline is communicated with medium box 7.
The present invention works under the control of controller 9, and has multiple self-protection function.In the course of the work, after the water flow pressure in the pipeline in the water mist system surpassed default safety value, the off-load of electromagnetic valve 3 protection pipeline was opened, and water can be back to 7 li of medium boxes.
In the present invention's one specific embodiment, the present invention also can comprise the level sensor 8 for detection of medium box 7 interior liquid levels, and when medium box 7 interior liquid levels were lower than default liquid level, controller 9 control electromagnetic valves 3 and pumping equipment 5 were closed.Controller 9 is according to the water level in the level sensor 8 Real-Time Monitoring medium boxes 7, and the water temperature of the radiator 1 of temperature sensor 10 Real-Time Monitorings and/or driving engine oil temperature, when temperature, system quit work when water level was lower than preset value.
See also Fig. 4, the diagram of circuit of the combined type heat radiating system control method that Fig. 4 provides for the embodiment of the invention.
The combined type heat radiating system control method that the embodiment of the invention provides comprises:
Step S101: judge whether water level, temperature meet the demands;
Behind the system initialization, controller 9 judges according to the signal that temperature sensor 10 and level sensor 8 transmit whether system temperature is not less than the minimum temperature of predefined car load normal operation, and whether the water level of medium box 7 satisfies predefined minimum.If the temperature parameter that temperature sensor 10 detects is not less than the minimum temperature of predefined car load normal operation, and the water level of medium box 7 satisfies predefined minimum, execution in step S102 then, otherwise execution in step S103.
Step S102: spray thin water-atomization cooling;
Spray thin water smoke by nozzle, and by fan thin water smoke is drawn onto or blows to and carry out radiating and cooling on the radiator 1.
Step S102: quit work.
In the present invention's one specific embodiment, in order to adapt to different operative scenario, combined type heat radiating system has three kinds of mode of operations: thin water spray compulsory mode, thin water spray temperature control mode and thin water spray time preset pattern.The selection of three kinds of mode of operations can realize by button or driving lever.
When being in thin water spray compulsory mode, controller 9 control electromagnetic valves 3 and pumping equipment 5 are opened, and press the maximum flow work pattern, and under this mode of operation, the aperture of electromagnetic valve 3 is constant, all the time with maximum flow work.
When being in thin water spray temperature control mode, when the temperature parameter that detects at temperature sensor 10 rises to the preset temperature parameter, controller 9 control electromagnetic valves 3 and pumping equipment 5 are opened, and along with rising or the reduction of temperature parameter, increase or reduce the open amount of electromagnetic valve 3.When thin water spray temperature control mode, along with the rising of temperature, can increase the open amount of electromagnetic valve 3, then improve the ejection flow of nozzle 2; Along with the reduction of temperature, can reduce the open amount of electromagnetic valve 3, then reduce the ejection flow of nozzle 2.
When being in thin water spray time preset pattern, the time that controller 9 is opened according to predefined time control solenoid valve 3 and pumping equipment 5.For example, when switching to thin water spray time preset pattern, can be according to predefined work-hours (for example 1 hour), work 1 as a child quits work.
When being in thin water spray time preset pattern, also can according to the numerical value of temperature, regulate the size of thin water smoke flow.Namely when being in thin water spray time preset pattern, along with rising or the reduction of temperature parameter, controller 9 increases or reduces the open amount of electromagnetic valve 3.
In the present invention's one optimal technical scheme, the present invention also can comprise the filter 6 that is arranged between pumping equipment 5 and the medium box 7.The present invention can fall the contaminant filter in the cooling media by filter 6 is set, and avoids impurity to enter in the nozzle 2, plug nozzle 2 and affect equipment cooling.
See also Fig. 5, the diagram of circuit of the combined type heat radiating system control method that Fig. 5 provides for another embodiment of the present invention.
The combined type heat radiating system control method that the embodiment of the invention provides comprises:
Step S201: whether water level, temperature meet the demands;
Behind the system initialization, controller 9 judges according to the signal that temperature sensor 10 and level sensor 8 transmit whether system temperature is not less than the minimum temperature of predefined car load normal operation, and whether the water level of medium box 7 satisfies predefined minimum.If the temperature parameter that temperature sensor 10 detects is not less than the minimum temperature of predefined car load normal operation, and the water level of medium box 7 satisfies predefined minimum, execution in step S202 then, otherwise execution in step S203.
Step S202: system works model selection;
The system works pattern comprises compulsory mode (being thin water spray compulsory mode), prefabricated pattern of time (being thin water spray time preset pattern) and temperature control mode (being thin water spray temperature control mode).When selecting compulsory mode, execution in step S204 then, when the prefabricated pattern of select time, execution in step S205 then, when selecting temperature control mode, execution in step S206 then.
Step S203: quit work.
Step S204: spray thin water-atomization cooling;
Controller 9 control electromagnetic valves 3 and pumping equipment 5 are opened, and press the maximum flow work pattern, and under this mode of operation, the aperture of electromagnetic valve 3 is constant, all the time with maximum flow work.
Step S205: spray thin water-atomization cooling;
The time that controller 9 is opened according to predefined time control solenoid valve 3 and pumping equipment 5.For example, when switching to thin water spray time preset pattern, can be according to predefined work-hours (for example 1 hour), work 1 as a child quits work.
When being in thin water spray time preset pattern, also can according to the numerical value of temperature, regulate the size of thin water smoke flow.Namely when being in thin water spray time preset pattern, along with rising or the reduction of temperature parameter, controller 9 increases or reduces the open amount of electromagnetic valve 3.
Step S206: whether temperature reaches setting value;
Judge whether the temperature parameter that temperature sensor 10 detects reaches setting value, if reach setting value, execution in step S208 then, otherwise execution in step S207.
Step S207: break-off;
When temperature parameter was lower than setting value, illustrative system did not also need to dispel the heat, therefore thin water smoke break-off, and namely control system control electromagnetic valve 3 and pumping equipment 5 are closed.
Step S208: spray thin water-atomization cooling;
When the temperature parameter that detects at temperature sensor 10 rose to preset temperature parameter (being setting value), controller 9 control electromagnetic valves 3 and pumping equipment 5 were opened, and along with rising or the reduction of temperature parameter, increased or reduce the open amount of electromagnetic valve 3.When thin water spray temperature control mode, along with the rising of temperature, can increase the open amount of electromagnetic valve 3, then improve the ejection flow of nozzle 2; Along with the reduction of temperature, can reduce the open amount of electromagnetic valve 3, then reduce the ejection flow of nozzle 2.
In sum, combined type heat radiating system disclosed by the invention has following technique effect:
1, can significantly increase the radiating effect of cooling system, effectively prevent the system works excess Temperature;
2, can reduce the use power of fan, and can reduce the mesh power of fan, can reach the purpose of energy-saving and emission-reduction;
3, the present technology of water mist system is ripe, therefore easily realizes, cost is lower;
4, can integrate with the temperature-controlled fan height, be integrated into a system, rotation speed of the fan and thin water smoke flow are regulated simultaneously, can reach good radiating effect;
5, thin water smoke electrical insulation capability is good, and water mist system does not affect electrical equipment normal operation and the safety around it;
6, the engineer machinery operation environment is abominable, how can produce dust in the working process, and thin water smoke can reduce the dust that produces in the operation process, reduces the harm that human body is produced.
The invention also discloses a kind of construction machinery and equipment with combinations thereof formula cooling system, owing to having combinations thereof formula cooling system, therefore have all technique effects of combinations thereof formula cooling system concurrently, this paper does not repeat them here.
Each embodiment adopts the mode of going forward one by one to describe in this specification sheets, and what each embodiment stressed is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and General Principle as defined herein can be in the situation that do not break away from the spirit or scope of the present invention, in other embodiments realization.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (12)
1. a combined type heat radiating system is characterized in that, comprising:
Radiator (1);
Nozzle (2), described nozzle (2) is arranged in a side of described radiator (1), is used for spraying cooling media to described radiator (1);
Be used for depositing the medium box (7) of cooling media;
Pumping equipment (5), the suction side of described pumping equipment (5) and described medium box (7) are by pipeline connection, and the ejection end of described pumping equipment (5) is communicated with described nozzle (2);
Described radiator (1) is carried out air-cooled fan (11).
2. combined type heat radiating system as claimed in claim 1, it is characterized in that, described fan (11) is induced draught fan, described nozzle (2) and described fan (11) lay respectively at the both sides of described radiator (1), and described nozzle (2) sprays cooling media in a side of described radiator (1).
3. combined type heat radiating system as claimed in claim 1, it is characterized in that, described fan (11) is bleed type's fan, described nozzle (2) is positioned between described fan (11) and the described radiator (1), and described nozzle (2) sprays cooling media between described fan (11) and described radiator (1).
4. combined type heat radiating system as claimed in claim 1 is characterized in that, also comprises:
Electromagnetic valve (3), described electromagnetic valve (3) are communicated between described pumping equipment (5) and the described nozzle (2);
Temperature sensor (10), water temperature and/or driving engine oil temperature for detection of radiator (1) obtain temperature parameter;
Controller (9) is used for controlling described electromagnetic valve (3) and described pumping equipment (5).
5. combined type heat radiating system as claimed in claim 4 is characterized in that, described electromagnetic valve (3) has off-load protection pipeline, and described off-load protection pipeline is communicated with described medium box (7).
6. combined type heat radiating system as claimed in claim 4, it is characterized in that, also comprise the level sensor (8) for detection of the interior liquid level of described medium box (7), when liquid level was lower than default liquid level in described medium box (7), described electromagnetic valve (3) controlled by described controller (9) and described pumping equipment (5) cuts out.
7. combined type heat radiating system as claimed in claim 4 is characterized in that, when being in thin water spray compulsory mode, described electromagnetic valve (3) controlled by described controller (9) and described pumping equipment (5) is opened, and presses the maximum flow work pattern;
When being in thin water spray temperature control mode, when described temperature parameter rises to the preset temperature parameter, described electromagnetic valve (3) controlled by described controller (9) and described pumping equipment (5) is opened, and along with rising or the reduction of described temperature parameter, increase or reduce the open amount of described electromagnetic valve (3);
When being in thin water spray time preset pattern, described controller (9) is controlled the time that described electromagnetic valve (3) and described pumping equipment (5) are opened according to the predefined time.
8. combined type heat radiating system as claimed in claim 7 is characterized in that, when being in thin water spray time preset pattern, along with rising or the reduction of described temperature parameter, described controller (9) increases or reduce the open amount of described electromagnetic valve (3).
9. such as each described combined type heat radiating system of claim 1-8, it is characterized in that, also comprise the filter (6) that is arranged between described pumping equipment (5) and the described medium box (7).
10. such as each described combined type heat radiating system of claim 1-8, it is characterized in that, described nozzle (2) is mist-generating nozzle.
11. such as each described combined type heat radiating system of claim 1-8, it is characterized in that, described cooling media is water.
12. a construction machinery and equipment comprises cooling system, it is characterized in that, described cooling system is such as each described combined type heat radiating system of claim 1-11.
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| CN109017275A (en) * | 2018-09-29 | 2018-12-18 | 瑞安市宏利汽车散热器有限公司 | A kind of efficient automobile heat radiator assembly |
| CN109812327A (en) * | 2019-02-22 | 2019-05-28 | 江苏徐工工程机械研究院有限公司 | A kind of cleaning of land leveller radiator and auxiliary coolant system and its control method |
| CN111497597A (en) * | 2020-04-29 | 2020-08-07 | 徐州徐工挖掘机械有限公司 | Heat dissipation system of pure electric excavator and control method |
| CN112455211A (en) * | 2020-12-01 | 2021-03-09 | 吉林大学 | Independent partition efficient spraying type liquid cooling system |
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