CN102878101A - Fan, engine cooling system and construction machine - Google Patents
Fan, engine cooling system and construction machine Download PDFInfo
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- CN102878101A CN102878101A CN2012103581089A CN201210358108A CN102878101A CN 102878101 A CN102878101 A CN 102878101A CN 2012103581089 A CN2012103581089 A CN 2012103581089A CN 201210358108 A CN201210358108 A CN 201210358108A CN 102878101 A CN102878101 A CN 102878101A
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Abstract
The invention discloses a fan, an engine cooling system and a construction machine. The engine cooling system comprises the fan, wherein each blade of the fan comprises a fixed blade, an adjusting blade and an adjusting device; the fixed blade and the adjusting blade are arranged in the radial direction while adjacent ends of the fixed blade and the adjusting blade are overlapped; the fixed blade and the adjusting blade are connected with each other through the adjusting device; the adjusting device is used for adjusting the radial distance between the adjacent ends of the fixed blade and the adjusting blade; the radial distance between the outer edge of the fixed blade and the outer edge of the adjusting blade can be adjusted through the expansion and the contraction of the adjusting device; when the adjusting device extends, the distance between the fixed blade and the adjusting blade is enlarged, so as to increase the integral length of the fan blade, increase the volume efficiency of the fan, and improve the heat dissipation capability of the system; otherwise, when the adjusting device contracts, the integral length of the fan blade is shortened, the volume efficiency of the fan is reduced, and the heat dissipation capability of the system is weakened. Moreover, the length of each blade of the fan provided by the invention can be adjusted independently, and the blades are independent to each other, so as not to influence each other.
Description
Technical field
The present invention relates to engineering machinery field, particularly a kind of fan, engine-cooling system and engineering machinery.
Background technique
At present, engineering machinery is widely used in the numerous areas of the development of the national economy, has the area of enriching mineral resources in northern China especially, and large-scale engineering machinery has high usage frequency on the open coal mine of locality, large-scale quarry and other places.Motor is one of vitals of engineering machinery, and cooling system is the important component part of motor, the effect of cooling system is that motor is moved in suitable temperature range, thereby makes complete machine have good power character, Economy, emission performance and reliability of operation.
Engine-cooling system generally comprises radiator, wind scooper and fan, and cooling air by behind radiator, wind scooper and the fan, cools off the cooling liquid of motor successively.But the heat dissipation potential of this system's fan is fixed, and can not regulate according to actual needs.And engineering machinery is generally operational in the open-air atmosphere, be subjected to direct sunlight summer, surface temperature can reach about 45 ℃, engineering machinery is long-time large load operation under this environment, if the heat that motor produces surpasses the heat dissipation potential of cooling system, then can cause the engine water temperature rise, affect the overall performance of engineering machinery, even can not work because motor " boils ", so, the cooling system that generally can have larger heat dissipation potential to engine configurations.But in the winter time, temperature is extremely low again, the cooling system that designs for adapting to summer high temperature, because its heat dissipation potential is non-adjustable, so very easily cause when temperature is low, make motor be in for a long time the cold operation state, both wasted engine power, also can make fuel combustion in poor shape, hydrocarbons content is higher in the unable and tail gas of engine operation, befouling environment.So the fan that provides a kind of heat dissipation potential adjustable is provided badly, so that the operating temperature of motor is regulated.
Summary of the invention
In view of this, the present invention proposes a kind of fan, engine-cooling system and engineering machinery, to solve in the available engine cooling system, because the non-adjustable waste engine power that causes of fan cooling ability and the problem of befouling environment.
An aspect the present invention proposes a kind of fan, comprises blade, and each blade includes: stator blade and adjusting vane and the telescopic controlling device of radially arranging and mutually superposeing; Wherein, stator blade is connected by controlling device with adjusting vane, and controlling device is used for regulating the radial distance between stator blade and the adjusting vane abutting end.
Further, in the said fans, controlling device comprises: oil cylinder, and the one end is connected with stator blade, and the other end is connected with adjusting vane.
Further, in the said fans, controlling device comprises the first electromagnetic pole, is connected in adjusting vane; The second electromagnetic pole is connected in stator blade; Elastic member is connected between the first electromagnetic pole and the second electromagnetic pole.
Further, in the said fans, described elastic member is spring.
Among the present invention, the flexible radial distance that can regulate between stator blade and the adjusting vane abutting end of controlling device, and then the length of blade of adjusting fan make the heat dissipation potential of fan adjustable.In addition, the length of each blade of this fan can be regulated separately, and is independent of one another, is independent of each other.
On the other hand, the invention allows for a kind of engine-cooling system, be provided with above-mentioned any fan on it.
Further, above-mentioned cooling system also comprises: wind scooper is arranged in the outside of adjusting vane; Distance measuring sensor is installed on wind scooper, and distance measuring sensor is for detection of the distance between wind scooper and the adjusting vane.
Further, above-mentioned cooling system also comprises: controller, be connected with distance measuring sensor, and controller is used for receiving the range information between stator blade and the adjusting vane.
Further, above-mentioned cooling system also comprises: temperature transducer, be installed on the liquid outlet of engine coolant, and temperature transducer is for detection of the temperature value of cooling liquid.
Further, above-mentioned cooling system also comprises: controller, and its signal input part is connected with temperature transducer, is used for receiving temperature value; The signal output part of controller is used for sending the regulated signal of determining according to temperature value; Controlling device is connected with the signal output part of controller, and controlling device is used for according to the radial distance between regulated signal adjusting stator blade and the adjusting vane.
Can find out the flexible radial distance that can regulate between stator blade and the adjusting vane abutting end of controlling device.During the controlling device elongation, the distance between stator blade and the adjusting vane increases, and then the entire length of fan blade is increased, and the fan volumetric efficiency increases, and improves the heat dissipation potential of system; On the contrary, when controlling device shortened, the entire length of fan blade reduced, and the fan volumetric efficiency reduces, and reduced the heat dissipation potential of system.In addition, among the present invention, the length of each blade of fan can be regulated separately, and is independent of one another, is independent of each other.
Another aspect the invention allows for a kind of engineering machinery, comprises motor, is provided with above-mentioned any engine-cooling system on the motor.
Because engine-cooling system has above-mentioned effect, also has correspondingly technique effect so have the engineering machinery of this cooling system.
Description of drawings
The accompanying drawing that consists of a part of the present invention is used to provide a further understanding of the present invention, and illustrative examples of the present invention and explanation thereof are used for explaining the present invention, do not consist of improper restriction of the present invention.In the accompanying drawings:
Fig. 1 is the front view of fan embodiment of the present invention;
Fig. 2 is in the fan embodiment of the present invention, the stereogram of controlling device preferred implementation;
Fig. 3 be embodiment illustrated in fig. 2 in, the connection diagram of controlling device and stator blade, adjusting vane;
Fig. 4 is engine-cooling system embodiment's of the present invention stereogram;
Fig. 5 is engine-cooling system embodiment's of the present invention structured flowchart.
Description of reference numerals:
1 fan
11 stator blades
12 adjusting vanes
13 controlling devices
14 wheel carriers
15 slide rails
2 wind scoopers
3 distance measuring sensors
4 temperature transducers
5 controllers
Embodiment
Need to prove that in the situation of not conflicting, embodiment and the feature among the embodiment among the present invention can make up mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the present invention in detail.
Fan embodiment:
Referring to Fig. 1, there is shown the preferred embodiment of fan of the present invention.As shown in the figure, this fan 1 comprises a plurality of blades, and each blade includes: radially arrange and stator blade 11 and adjusting vane 12 and telescopic controlling device 13 that abutting end superposes mutually.Wherein, stator blade 11 is connected by telescopic controlling device 13 with adjusting vane 12, and controlling device 13 is used for regulating the radial distance between stator blade 11 and adjusting vane 12 abutting ends.
Particularly, the first end of stator blade 11 is connected with the wheel carrier of this fan 14, and wheel carrier 14 is used for and provides the motor (not shown) of power to be connected for this fan 1.The edge of stator blade 11 and adjusting vane 12 overlapping portions is provided with slide rail 15, and when controlling device 13 was stretched, stator blade 11 and adjusting vane 12 overlapping portions can be at these slide rail 15 interior relative slidings.Controlling device 13 can be selected oil cylinder, and an end of oil cylinder is connected with the second end of stator blade 11, and the other end of oil cylinder is connected with the first end of adjusting vane 12.Can find out that oil cylinder flexible can be regulated the radial distance between the first end of the second end of stator blade 1 and adjusting vane 12, and then regulate the length of blade of fan 1, the heat dissipation potential of fan can be regulated.In addition, the length of each blade of this fan can be regulated separately, and is independent of one another, is independent of each other.
During implementation, the flexible blade that adjusting vane 12 can adopt the light alloy such as PAG, PVC to make; Certainly, can select other materials to make, the present invention does not do restriction to the concrete material of adjusting vane 12 yet.
Referring to Fig. 2, there is shown another preferred implementation of controlling device.As shown in the figure, this controlling device comprises the first electromagnetic pole 131, the second electromagnetic pole 132 and elastic member 133.Wherein, the first electromagnetic pole 131 is connected in adjusting vane 12; The second electromagnetic pole 132 is connected in stator blade 11; Elastic member 133 is connected between the first electromagnetic pole 131 and the second electromagnetic pole 132.
Can find out, under the conventional state, elastic member 133(such as the spring between the first electromagnetic pole 131 and the second electromagnetic pole 132 etc.) in the raw, namely without stretching without the compression state; When making the first electromagnetic pole 131 and 132 energisings of the second electromagnetic pole produce same magnetic, the first electromagnetic pole 131 and the second electromagnetic pole 132 are separated from each other, elastic member stretches, and the area of overlap of stator blade 11 and adjusting vane 12 reduces, and the fan blade radial length increases; Otherwise when making the first electromagnetic pole 131 and the second electromagnetic pole 132 with diamagnetism mutually, the distance between the first electromagnetic pole 131 and the second electromagnetic pole 132 reduces, elastic member 133 compressions, and the area of overlap of stator blade 11 and adjusting vane 12 increases.
Need to prove: in the present embodiment, provided two kinds of preferred implementations of controlling device.But when people from related domain should be appreciated that implementation, the structure of controlling device was not limited in this, if can be along fan radially scalable, the embodiment of the invention is enumerated no longer one by one at this.
Can find out that from above-described embodiment the fan among the present invention changes the entire length of fan blade by telescopic controlling device, and then regulate the heat dissipation potential of fan.
Engine-cooling system embodiment:
Referring to Fig. 1 to Fig. 5, there is shown the first preferred embodiment of engine-cooling system among the present invention.As shown in the figure, this system comprises fan 1.Wherein, each blade of fan 1 includes: radially arrange and stator blade 11 and adjusting vane 12 and telescopic controlling device 13 that abutting end superposes mutually.Wherein, stator blade 11 is connected by telescopic controlling device 13 with adjusting vane 12, and telescopic controlling device 13 is used for regulating the radial distance between stator blade 11 and adjusting vane 12 abutting ends.
Generally speaking, engine-cooling system also comprises radiator and wind scooper 2 etc. usually.Wherein, wind scooper 2 is arranged at the outside of adjusting vane 12, and and the outside of adjusting vane 12 between leave the gap.Fan 1 is induced draught fan, and cooling air reduces coolant temperature by heat exchange method after passing through radiator, wind scooper 2, fan 1 successively under the effect of fan suction.
Particularly, the first end of stator blade 11 is connected with the wheel carrier 14 of fan 1, and wheel carrier 14 is used for and provides the motor (not shown) of power to be connected for this fan 1.Telescopic controlling device 13 can be selected oil cylinder, and an end of oil cylinder is connected with the second end of stator blade 11, and the other end of oil cylinder is connected with the first end of adjusting vane 12.
Can find out the flexible radial distance that can regulate between stator blade 11 and the adjusting vane 12 of oil cylinder.When the piston rod of oil cylinder stretches out, distance between stator blade 11 and the adjusting vane 12 increases, and then the entire length of fan blade is increased, and wind scooper 2 maintains static, so reduced the gap between adjusting vane 12 and the wind scooper 2, thereby the reduction hot air reflux increases the fan volumetric efficiency, has improved the heat dissipation potential of system; When the piston rod of oil cylinder was regained, the entire length of fan blade reduced, and has increased the gap between adjusting vane 12 and the wind scooper 2, has reduced the heat dissipation potential of system.In addition, in the present embodiment, the length of each blade of fan can be regulated separately, and is independent of one another, is independent of each other.
During implementation, the flexible blade that adjusting vane 12 can adopt the light alloy such as PAG, PVC to make; Certainly, can select other materials to make, the present invention does not do restriction to the concrete material of adjusting vane 12 yet.
Need to prove: in the present embodiment, provided two kinds of preferred implementations of controlling device.But when people from related domain should be appreciated that implementation, the structure of controlling device was not limited in this, if can be along fan radially scalable, the present invention enumerates no longer one by one at this.
Preferably, in the various embodiments described above, engine-cooling system also comprises: distance measuring sensor 3, and it is installed on wind scooper 2 inwalls, and distance measuring sensor 3 is for detection of the distance between the outer rim of the inwall of wind scooper 2 and adjusting vane 12.When fan 1 rotated, distance measuring sensor 3 can detect the second end of adjusting vane 12 and the distance between the wind scooper 2 in real time, improved Operation safety.
Preferably, in the various embodiments described above, engine-cooling system also comprises: temperature transducer 4 and controller 5.Wherein, temperature transducer 4 is installed on the liquid outlet of engine coolant, and temperature transducer 4 is for detection of the temperature value of cooling liquid.The signal input part of controller 5 is connected with temperature transducer 4, is used for receiving this temperature value, and the signal output part of controller 5 is used for sending the regulated signal of determining according to this temperature value.The control end of oil cylinder is connected with the signal output part of controller 5, and oil cylinder is used for receiving this regulated signal, and according to the radial distance between this regulated signal adjusting stator blade 11 and the adjusting vane 12.
Preferably, during implementation, controller 5 can also be connected with distance measuring sensor 3, for the range information between the second end that receives wind scooper 2 and adjusting vane 12.
Particularly, when the temperature that detects engine coolant when distance measuring sensor 3 was higher than setting value, the piston rod of controller 5 control oil cylinders 13 stretched out, and the distance between stator blade 11 and the adjusting vane 12 is increased, and namely the entire length of blade 1 increases; Correspondingly, the gap between adjusting vane 12 and the wind scooper 2 reduces, and has reduced the hot air reflux effect of fan 1, has improved the air quantity of cooling system, has improved the heat dissipation potential of system; At this moment, controller 5 also receives the adjusting vane 12 of distance measuring sensor 3 detections and the distance between the wind scooper 2, and this distance is carried out Real Time Monitoring, to guarantee Operation safety.When the temperature of the engine coolant that detects when distance measuring sensor 3 is lower than setting value, the piston rod of controller 5 control oil cylinders is regained, distance between stator blade 11 and the adjusting vane 12 is reduced, the entire length that is blade 1 reduces, correspondingly, distance between adjusting vane 12 and the wind scooper 2 increases, and has reduced the heat dissipation potential of system.
Referring to Fig. 2, Fig. 3, there is shown the second preferred embodiment of engine-cooling system of the present invention.In the present embodiment, controlling device 13 adopts the first electromagnetic pole 131, the second electromagnetic pole 132 and elastic member 133 to realize that its specific implementation process gets final product referring to the relevant portion in the fan embodiment, and the present invention does not repeat them here.
Referring to Fig. 2, Fig. 3, under the conventional state, elastic member 133(such as the spring between the first electromagnetic pole 131 and the second electromagnetic pole 132 etc.) in the raw, namely without stretching without the compression state; When system temperature is too high, controller 5 control the first electromagnetic poles 131 and 132 energisings of the second electromagnetic pole produce same magnetic, utilize the magnetic pole principle of same-sex repulsion, the first electromagnetic pole 131 and the second electromagnetic pole 132 are separated from each other, elastic member 133 stretches, the area of overlap of stator blade 11 and adjusting vane 12 reduces, and the overall radial length of fan blade increases; Otherwise when system temperature is crossed when low, controller 5 control the first electromagnetic pole 131 and the second electromagnetic pole 132 are with diamagnetism mutually, utilize principle of opposite sex attraction, distance between the first electromagnetic pole 131 and the second electromagnetic pole 132 reduces, elastic member 133 compressions, the area of overlap of stator blade 11 and adjusting vane 12 increases.
Pass through the various embodiments described above, can find out, this engine-cooling system can be according to the temperature of engine coolant, regulate in real time the entire length of fan blade, and then the heat dissipation potential of regulating cooling system, guarantee that motor moves in optimum temperature, avoided the available engine cooling fan because the non-adjustable motor that causes of diameter can not be in the problem of optimum temperature operation.
Engineering machinery is implemented example:
The invention allows for a kind of engineering machinery, take excavator as example, be provided with above-mentioned any cooling system on the motor of this project machinery.Wherein, the specific implementation process of cooling system gets final product with reference to above-mentioned explanation, and the present invention does not repeat them here.
Because engine-cooling system has above-mentioned effect, also has corresponding technique effect so have the engineering machinery of this engine-cooling system.
The above only is preferred embodiment of the present invention, and is in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a fan comprises blade, it is characterized in that, each described blade includes: radially arrange and stator blade (11) and adjusting vane (12) and telescopic controlling device (13) that abutting end superposes mutually; Wherein,
Described stator blade (11) is connected by described controlling device (13) with described adjusting vane (12), and described controlling device (13) is used for regulating the radial distance between described stator blade (11) and described adjusting vane (12) abutting end.
2. fan according to claim 1 is characterized in that, described controlling device (13) comprising:
Oil cylinder, the one end is connected with described stator blade (11), and the other end is connected with described adjusting vane (12).
3. fan according to claim 1 is characterized in that, described controlling device (13) comprising:
The first electromagnetic pole (131) is connected in described adjusting vane (12);
The second electromagnetic pole (132) is connected in described stator blade (11);
Elastic member (133) is connected between described the first electromagnetic pole (131) and the second electromagnetic pole (132).
4. fan according to claim 3 is characterized in that, described elastic member (133) is spring.
5. an engine-cooling system is characterized in that, is provided with each described fan in the claim 1 to 4 on it.
6. engine-cooling system according to claim 5 is characterized in that, also comprises:
Wind scooper (2) is arranged in the outside of described adjusting vane (12);
Distance measuring sensor (3) is installed on described wind scooper (2), and described distance measuring sensor (3) is for detection of the distance between described wind scooper (2) and the described adjusting vane (12).
7. engine-cooling system according to claim 6 is characterized in that, also comprises:
Controller (5) is connected with described distance measuring sensor (3), and described controller (5) is used for receiving the range information between described stator blade (11) and the described adjusting vane (12).
8. engine-cooling system according to claim 7 is characterized in that, also comprises:
Temperature transducer (4) is installed on the liquid outlet of described engine coolant, and described temperature transducer (4) is for detection of the temperature value of described cooling liquid.
9. engine-cooling system according to claim 8 is characterized in that, also comprises:
Controller (5), its signal input part is connected with described temperature transducer (4), is used for receiving described temperature value; The signal output part of described controller (5) is used for sending the regulated signal of determining according to described temperature value;
Described controlling device (13) is connected with the signal output part of described controller (5), and described controlling device (13) is for the radial distance of regulating according to described regulated signal between described stator blade (11) and the described adjusting vane (12).
10. an engineering machinery comprises motor, it is characterized in that, is provided with each described engine-cooling system in the claim 5 to 9 on the described motor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210358108.9A CN102878101B (en) | 2012-09-24 | 2012-09-24 | Fan, engine-cooling system and engineering machinery |
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|---|---|---|---|
| CN201210358108.9A CN102878101B (en) | 2012-09-24 | 2012-09-24 | Fan, engine-cooling system and engineering machinery |
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| Publication Number | Publication Date |
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| CN102878101A true CN102878101A (en) | 2013-01-16 |
| CN102878101B CN102878101B (en) | 2015-10-14 |
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| CN201210358108.9A Active CN102878101B (en) | 2012-09-24 | 2012-09-24 | Fan, engine-cooling system and engineering machinery |
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| CN103836004A (en) * | 2014-02-27 | 2014-06-04 | 长城汽车股份有限公司 | Water pump |
| CN103835991A (en) * | 2014-02-27 | 2014-06-04 | 长城汽车股份有限公司 | Water pump and vehicle provided with same |
| CN107332433A (en) * | 2017-08-21 | 2017-11-07 | 重庆路格科技有限公司 | Switching Power Supply heat abstractor |
| CN107482879A (en) * | 2017-08-18 | 2017-12-15 | 重庆路格科技有限公司 | The heat dissipating method of switch power module |
| CN107905883A (en) * | 2018-01-12 | 2018-04-13 | 浙江元盛塑业股份有限公司 | A kind of silicon oil filled fan clutch |
| CN107975495A (en) * | 2018-01-12 | 2018-05-01 | 浙江元盛塑业股份有限公司 | A kind of silicon-oil fan blade |
| CN108005930A (en) * | 2017-12-31 | 2018-05-08 | 山东建筑大学 | A kind of telescopic fan of intelligent control flabellum rotating speed |
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| CN108167225A (en) * | 2018-02-12 | 2018-06-15 | 福建中研机电科技有限公司 | A kind of multistage variable air quantity motor blower fan and the motor with the fan blade |
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| CN112220367A (en) * | 2020-09-30 | 2021-01-15 | 宁波方太厨具有限公司 | Fan blade structure for cooking equipment and oven with structure |
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| CN103835991A (en) * | 2014-02-27 | 2014-06-04 | 长城汽车股份有限公司 | Water pump and vehicle provided with same |
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| CN103835991B (en) * | 2014-02-27 | 2017-02-01 | 长城汽车股份有限公司 | Water pump and vehicle provided with same |
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| CN107482879B (en) * | 2017-08-18 | 2019-09-03 | 重庆路格科技有限公司 | The heat dissipating method of switch power module |
| CN107482879A (en) * | 2017-08-18 | 2017-12-15 | 重庆路格科技有限公司 | The heat dissipating method of switch power module |
| CN107332433A (en) * | 2017-08-21 | 2017-11-07 | 重庆路格科技有限公司 | Switching Power Supply heat abstractor |
| CN108005930A (en) * | 2017-12-31 | 2018-05-08 | 山东建筑大学 | A kind of telescopic fan of intelligent control flabellum rotating speed |
| CN107975495A (en) * | 2018-01-12 | 2018-05-01 | 浙江元盛塑业股份有限公司 | A kind of silicon-oil fan blade |
| CN108087095A (en) * | 2018-01-12 | 2018-05-29 | 浙江元盛塑业股份有限公司 | Silicon oil filled fan clutch |
| CN107905883A (en) * | 2018-01-12 | 2018-04-13 | 浙江元盛塑业股份有限公司 | A kind of silicon oil filled fan clutch |
| CN108167225A (en) * | 2018-02-12 | 2018-06-15 | 福建中研机电科技有限公司 | A kind of multistage variable air quantity motor blower fan and the motor with the fan blade |
| CN109974086A (en) * | 2019-03-29 | 2019-07-05 | 广东美的制冷设备有限公司 | Air guide structure, air conditioner indoor unit and air conditioner |
| CN112220367A (en) * | 2020-09-30 | 2021-01-15 | 宁波方太厨具有限公司 | Fan blade structure for cooking equipment and oven with structure |
| CN112483237A (en) * | 2020-12-08 | 2021-03-12 | 湖南行必达网联科技有限公司 | Electric control silicone oil fan control method, device and system and vehicle |
| CN112483237B (en) * | 2020-12-08 | 2022-01-11 | 湖南行必达网联科技有限公司 | Electric control silicone oil fan control method, device and system and vehicle |
| CN113179612A (en) * | 2021-03-24 | 2021-07-27 | 林福星 | Intelligent robot power supply equipment based on high-rate fiber type nickel-cadmium storage battery |
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