CN105564221A - Heat-dissipation air channel structure of power compartment and engineering vehicle - Google Patents
Heat-dissipation air channel structure of power compartment and engineering vehicle Download PDFInfo
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- CN105564221A CN105564221A CN201510757639.9A CN201510757639A CN105564221A CN 105564221 A CN105564221 A CN 105564221A CN 201510757639 A CN201510757639 A CN 201510757639A CN 105564221 A CN105564221 A CN 105564221A
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 37
- 238000009423 ventilation Methods 0.000 claims description 37
- 238000001816 cooling Methods 0.000 claims description 31
- 238000010276 construction Methods 0.000 claims description 22
- 230000008030 elimination Effects 0.000 claims description 6
- 238000003379 elimination reaction Methods 0.000 claims description 6
- 230000009467 reduction Effects 0.000 claims description 5
- 239000011358 absorbing material Substances 0.000 claims description 3
- 230000005855 radiation Effects 0.000 abstract description 11
- 238000010438 heat treatment Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 5
- 239000006185 dispersion Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000003584 silencer Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
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- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
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Abstract
The invention relates to a heat-dissipation air channel structure of a power compartment and an engineering vehicle. The heat-dissipation air channel structure of the power compartment comprises air inlets, an air outlet and wind boards, wherein the air inlets and the air outlet are formed in the power compartment; the wind boards are arranged in the power compartment, correspond to the air inlets in position and enable airflow imported through the air inlets to enter the power compartment along a curve. The wind boards are arranged in the positions corresponding to the air inlets in the power compartment, so that the power compartment can be sealed better, and outward radiation of noise produced in the power compartment is effectively controlled; by means of the wind boards, the airflow imported through the air inlets is enabled to enter the power compartment along the curve, an air intake channel is far away from a heating area of an engine, the airflow entering the power compartment through the air inlets is not heated, and the heat dissipation performance is improved while the noise is effectively reduced.
Description
Technical field
The present invention relates to engineering machinery field, particularly relate to a kind of air channel structure and engineering truck of piggyback pod independence cooling system.
Background technology
Noise is the third-largest source of pollution being only second to water and air pollution, and in various noise emission, construction noise pollution is in first place, and construction noise pollution uses construction machinery and equipment in a large number and produces.Carrying out vibration and noise reducing research to construction machinery product is the important step advocated environmental protection, build a harmonious society.Foreign Engineering Machinery enterprise continues in-depth study to vibration noise, has led the development of this art, constantly releases the high-quality product of low noise, constantly promotes government and promulgates that new legislation is to improve market access threshold, establishing techniques and market barrier.In the face of more and more fierce market competition, China's construction machinery and equipment only has and constantly carries out technology innovation, improves China's construction machinery and equipment noise reduction technology level, could account for obtain advantage in international competition.
Cooling fan is originated as the overriding noise of construction machinery and equipment, even maximum noise source, is one of main bugbear of construction machinery and equipment Noise measarement.On engineering truck, cooling fan is generally applied in the cooling system of piggyback pod, driving engine equal power device is provided with in piggyback pod, the cooling system of piggyback pod also comprises radiator etc., because the heat radiation of fan air draught type is higher than bleed type radiating efficiency, and consider car load travel direction, the fan with independent cooling system is often arranged on after radiator, is positioned at the rearmost end in vehicle power cabin.Change the rotating speed of cooling fan in prior art according to different radiating requirements, control the heat radiation power of radiator, effectively solve driving engine height rotating speed and heat radiation power interference problem in the low situation of radiating requirements, complete machine is dispelled the heat and is in optimum regime all the time.
Although existing heat dissipation wind channel structure can realize heat sinking function preferably, but noise is directly radiated by ventilation inlet and air outlet, inside lacks actv. noise elimination structure, and inner sound absorption materials can not play optimum efficiency, make the sound insulation and noise reducing weak effect of car bonnet, and windage is larger.The method solving cooling system noise is generally divided into active method and passive method, active method is mainly optimized coupling to cooling fan itself, its radiated noise is reduced, passive method mainly carries out noise-reducing design to the air channel structure of cooling fan, its noise of effective prevention outwards transmits, two kinds of methods are indispensable for the Noise measarement of car load, especially at present the Optimized Matching of cooling fan itself is close to technological limit, improvement effect is relatively limited, carries out to the air channel structure of cooling fan the breach that noise-reducing design becomes engineering truck Noise measarement.
Summary of the invention
The object of the invention is to propose a kind of piggyback pod heat dissipation wind channel structure and engineering truck, it can effectively reduce piggyback pod noise.
For achieving the above object, the invention provides a kind of piggyback pod heat dissipation wind channel structure, it comprises is located at ventilation inlet on piggyback pod and air outlet, and the air baffle be located in described piggyback pod, described air baffle is corresponding with the position of described ventilation inlet, and described air baffle can make the air-flow imported by described ventilation inlet enter in described piggyback pod along curve.
One preferably or in embodiment, described ventilation inlet comprises the upper end ventilation inlet being located at described piggyback pod top and the side air admission mouth being located at described piggyback pod both sides, described air baffle comprises the upper end air baffle coordinated with described upper end ventilation inlet, and two side direction air baffles coordinating of side air admission mouth described with two respectively.
One preferably or in embodiment, described ventilation inlet is provided with air feed shutter window construction.
One preferably or in embodiment, the blade lean of described air feed shutter window construction is arranged, and forms V-type air channel with described air baffle.
One preferably or in embodiment, described air outlet is provided with air-out shutter.
One preferably or in embodiment, described air-out shutter entirety is rounded, each blade of described air-out shutter be divergent shape layout, suitable with the blade arrangement of the cooling fan in described piggyback pod.
One preferably or in embodiment, the top board of described piggyback pod, base plate and described air baffle surround noise elimination noise reduction chamber in piggyback pod.
One preferably or in embodiment, the top board of described piggyback pod, base plate and described air baffle are equipped with sound-absorbing material.
One preferably or in embodiment, piggyback pod heat dissipation wind channel structure also comprises radiator, wind scooper and cooling fan, enter described radiator along the curve air-flow entered in described piggyback pod and take away heat, under the guide functions of described wind scooper, discharge in the shape of a spiral through described cooling fan.
For achieving the above object, present invention also offers a kind of engineering truck, it comprises the piggyback pod heat dissipation wind channel structure in above-mentioned any embodiment.
Based on technique scheme, the present invention at least has following beneficial effect:
The present invention is provided with air baffle by the ventilation inlet correspondence position in piggyback pod, piggyback pod better can be sealed, the outside radiation of the noise of piggyback pod inside generation is effectively controlled, air baffle can make the air-flow imported by ventilation inlet enter in piggyback pod along curve, make air intake to the heating region away from driving engine, the air-flow entered by ventilation inlet is not heated, while effectively reducing noise, improves heat dispersion.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the external structure schematic diagram of piggyback pod heat dissipation wind channel structure provided by the invention;
Fig. 2 is the inner structure schematic diagram after piggyback pod heat dissipation wind channel structure piggyback pod provided by the invention is longitudinally cut open;
Fig. 3 is the schematic front view of Fig. 2;
Fig. 4 is the inner structure schematic diagram after piggyback pod heat dissipation wind channel structure piggyback pod provided by the invention is laterally cut open;
Fig. 5 is the schematic top plan view of Fig. 4;
Fig. 6 (a) is the perspective view of piggyback pod heat dissipation wind channel structure air-out shutter provided by the invention;
The schematic front view that Fig. 6 (b) is Fig. 6 (a).
Attached number in the figure:
1-car bonnet; 2-upper end ventilation inlet; 3-side air admission mouth; 4-air outlet; 5-wind scooper; 6-radiator; 7-cooling fan; The base plate of 8-piggyback pod; 9-vehicle frame; 10-driving engine; 11-upper end air baffle; 12-noise silencer; 13-air filter; 14-side direction air baffle; The top board of 15-piggyback pod; 16-air-out shutter.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in embodiment is clearly and completely described.Obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on embodiments of the invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limiting the scope of the invention can not be interpreted as.
As shown in Figure 2, the rear end of engineering truck is located at by piggyback pod, for arranging driving engine 10, air filter 13, noise silencer 12 and piggyback pod heat dissipation wind channel structure in piggyback pod.Piggyback pod comprises car bonnet 1, and car bonnet 1 can be bolted and be fixed on vehicle frame 9.Piggyback pod heat dissipation wind channel structure provided by the invention, while not affecting radiating effect, effectively can control the noise that the work such as the driving engine 10 of piggyback pod inside, cooling fan 7 cause, and effectively reduces the outside engine noise of engineering truck.
As shown in Figure 1, piggyback pod heat dissipation wind channel structure provided by the invention comprises the ventilation inlet 2 be located on piggyback pod, 3 and air outlet 4, ventilation inlet 2, the setting position of 3 is away from driving engine 10 position in piggyback pod, as shown in Figure 2, Figure 4 shows, piggyback pod heat dissipation wind channel structure provided by the invention also comprises air baffle 11,14, radiator 6, wind scooper 5 and the cooling fan 7 be located in piggyback pod, air baffle 11, the setting position of 14 and the position of ventilation inlet 2,3 corresponding.Air baffle 11,14 can make by ventilation inlet 2,3 air-flows imported enter in piggyback pod along curve, and the heating region of driving engine 10 can be avoided, avoid being heated, the air-flow entered in piggyback pod along curve enters radiator 6 and takes away heat, under the guide functions of wind scooper 5, flow in the shape of a spiral through cooling fan 7, finally discharge from air outlet 4.
The present invention is by the ventilation inlet 2 in piggyback pod, 3 correspondence positions are provided with air baffle 11,14, piggyback pod better can be sealed, the outside radiation of the noise of piggyback pod inside generation is effectively controlled, air baffle 11,14 can make by ventilation inlet 2, and 3 air-flows imported enter in piggyback pod along curve, make air intake runner away from the heating region of driving engine 10, make by ventilation inlet 2,3 air-flows entered are not heated, and improve heat dispersion.
As shown in Figure 2-5, ventilation inlet 2,3 can comprise the upper end ventilation inlet 2 being located at piggyback pod top and the side air admission mouth 3 being located at piggyback pod both sides, corresponding, air baffle 11,14 comprise the upper end air baffle 11 coordinated with upper end ventilation inlet 2, and two the side direction air baffles 14 coordinated with two side air admission mouths 3 respectively, i.e. the corresponding side direction air baffle 14 of each side air admission mouth 3.Three ventilation inlets and three air baffles form three air intake runners, article three, air intake runner all can make air-flow enter in piggyback pod along curve, such as carry out in piggyback pod along S type curve, effective stop noise is to external irradiation, and make air intake runner away from driving engine 10 body, air-flow can not be made to be heated, under noise decrease radiation, improve heat-sinking capability.
One preferably or in embodiment, ventilation inlet 2,3 can be provided with air feed shutter window construction, and the entirety of air feed shutter window construction can be quadrilateral structure, and each blade of air feed shutter window construction is parallel to each other, and be all obliquely installed, with air baffle 11, between 14, form V-type air channel, air baffle 11, the shape of 14 can be arranged as required, and charge air flow can be made to enter in piggyback pod along curve.Such as: the opening of the air feed shutter window construction of upper end ventilation inlet 2 is to oblique rear, and opening direction and the upper end air baffle 11 of air feed shutter window construction form V-type air channel.The opening of the air feed shutter window construction of two side air admission mouths 3 is to oblique rear, and the opening direction of air feed shutter window construction and two side direction air baffles 14 form V-type air channel, and air-flow is entered in piggyback pod by the S-type curve in V-type air channel.
In above-described embodiment, air feed shutter window construction is equipped with at upper end ventilation inlet 2 and two side air admission mouths 3, effectively can stop that noise is to external irradiation further, air feed shutter window construction forms V-type air channel to oblique rearward openings and air intake baffle plate, enables air-flow flow in piggyback pod along S type curve, and whole piggyback pod air channel windage is less, and air intake runner is away from driving engine 10 body, can not EAT be heated, both reduce noise radiation, turn improve heat-sinking capability.
One preferably or in embodiment, air outlet 4 is located at the rear end of cooling fan 7 along air flow line, and air outlet 4 is provided with air-out shutter 16.As shown in Fig. 6 (a), Fig. 6 (b), air-out shutter 16 is overall rounded, and each blade of air-out shutter 16 is that divergent shape is arranged, suitable with the blade arrangement of the cooling fan 7 in piggyback pod.Further, the blade of air-out shutter 16 and the blade of cooling fan 7 are close to vertical.
Above-described embodiment, air outlet 4 is designed in cooling fan 7 rear end, according to the helical airflow that cooling fan 7 blows out, the blade of the air-out shutter 16 of rear end air outlet 4 is that divergent shape is arranged, suitable with the blade arrangement of the cooling fan 7 in piggyback pod, can duct resistance be effectively reduced, suppress the noise outwards directly radiation of cooling fan 7.
Ventilation inlet and air outlet 4 are equipped with shutter and inner sound insulation air damper structure by the present invention, can effectively suppress piggyback pod interior noise to external irradiation, in the airtight noise elimination cavity of the noise reflection deadened inner and driving engine 10, the formation of radiator 6 surrounding to car bonnet 1, reach object of well eliminating the noise, the noise of car load is effectively controlled.
In the illustrative examples of above-mentioned piggyback pod heat dissipation wind channel structure, the top board 15 of piggyback pod, base plate 8 and air baffle 11,14 surround noise elimination noise reduction chamber in piggyback pod, further, the top board 15 of piggyback pod, base plate 8 and air baffle 11, all can be provided with sound-absorbing material on 14.
Enumerate the working process of a specific embodiment of piggyback pod heat dissipation wind channel structure provided by the invention below: air is entered by the upper end ventilation inlet 2 and side air admission mouth 3 being set to shutter form, under the water conservancy diversion of upper end air baffle 11, two side direction air baffles 14, enter radiator 6 through S type path take away heat, under the guide functions of wind scooper 5, air-flow in the shape of a spiral after cooling fan 7, is finally blown out by the rear end air outlet 4 of the shutter being designed to divergent shape blade.
The helical airflow that the shutter of the divergent shape blade of rear end air outlet 4 blows out according to cooling fan 7 designs, air-flow windage can be effectively reduced, and play good defening effect, and the air intake runner that the upper end air baffle 11 of piggyback pod inside setting and two side direction air baffles 14 are formed is away from driving engine 10, the air entered can not additionally be heated, the heat dispersion that can improve while realizing good noise elimination noise reduction effect.
Piggyback pod heat dissipation wind channel structure provided by the invention can be applied on engineering truck.
Engineering truck provided by the invention comprises the piggyback pod heat dissipation wind channel structure in above-mentioned any embodiment.Piggyback pod heat dissipation wind channel structure arranges the air inlet structure that can effectively stop noise to leak in the both sides of piggyback pod and upper end, the air outlet 4 that blade is the louver form of divergent shape distribution is set in radiator 6 rear end, when not affecting piggyback pod air channel windage, piggyback pod can better seal by this piggyback pod heat dissipation wind channel structure, the outside radiation of the noise of piggyback pod inside generation is effectively controlled, and ventilation inlet 2, the setting of 3 is away from the heating region of driving engine 10, make ventilation inlet 2, 3 air entered are not heated, improve the heat dispersion of heat dissipation wind channel structure.
Piggyback pod heat dissipation wind channel structure provided by the invention effectively can reduce the outer shot noise of machine of construction machinery and equipment, by the application test on real vehicle, outside engine noise more than decline 2dBA, piggyback pod heat dissipation wind channel structure provided by the invention is simple, be easy to processing and manufacturing, practical reliable, do not change the overall installation form of car bonnet 1, effectively can control the radiation that the noise of piggyback pod inside generation is outside.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; Although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the field are to be understood that: still can modify to the specific embodiment of the present invention or carry out equivalent replacement to portion of techniques feature; And not departing from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technical scheme scope of request of the present invention protection.
Claims (10)
1. a piggyback pod heat dissipation wind channel structure, it is characterized in that: comprise the ventilation inlet (2 be located on piggyback pod, 3) and air outlet (4), and the air baffle (11 be located in described piggyback pod, 14), described air baffle (11,14) with described ventilation inlet (2,3) position is corresponding, described air baffle (11,14) air-flow imported by described ventilation inlet (2,3) can be made to enter in described piggyback pod along curve.
2. piggyback pod heat dissipation wind channel structure as claimed in claim 1, it is characterized in that: described ventilation inlet (2,3) the upper end ventilation inlet (2) being located at described piggyback pod top and the side air admission mouth (3) being located at described piggyback pod both sides is comprised, described air baffle (11,14) the upper end air baffle (11) coordinated with described upper end ventilation inlet (2) is comprised, and two side direction air baffles (14) coordinating of side air admission mouth (3) described with two respectively.
3. piggyback pod heat dissipation wind channel structure as claimed in claim 1, is characterized in that: described ventilation inlet (2,3) is provided with air feed shutter window construction.
4. piggyback pod heat dissipation wind channel structure as claimed in claim 3, is characterized in that: the blade lean of described air feed shutter window construction is arranged, and forms V-type air channel with described air baffle (11,14).
5. piggyback pod heat dissipation wind channel structure as claimed in claim 1, is characterized in that: described air outlet (4) is provided with air-out shutter (16).
6. piggyback pod heat dissipation wind channel structure as claimed in claim 5, it is characterized in that: described air-out shutter (16) is overall rounded, each blade of described air-out shutter (16) is that divergent shape is arranged, suitable with the blade arrangement of the cooling fan (7) in described piggyback pod.
7. piggyback pod heat dissipation wind channel structure as claimed in claim 1, is characterized in that: the top board (15) of described piggyback pod, base plate (8) and described air baffle (11,14) surround noise elimination noise reduction chamber in piggyback pod.
8. piggyback pod heat dissipation wind channel structure as claimed in claim 7, is characterized in that: the top board (15) of described piggyback pod, base plate (8) and described air baffle (11,14) are equipped with sound-absorbing material.
9. piggyback pod heat dissipation wind channel structure as claimed in claim 1, it is characterized in that: also comprise radiator (6), wind scooper (5) and cooling fan (7), enter described radiator (6) along the curve air-flow entered in described piggyback pod and take away heat, under the guide functions of described wind scooper (5), discharge in the shape of a spiral through described cooling fan (7).
10. an engineering truck, is characterized in that: comprise the piggyback pod heat dissipation wind channel structure as described in any one of claim 1-9.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510757639.9A CN105564221A (en) | 2015-11-09 | 2015-11-09 | Heat-dissipation air channel structure of power compartment and engineering vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510757639.9A CN105564221A (en) | 2015-11-09 | 2015-11-09 | Heat-dissipation air channel structure of power compartment and engineering vehicle |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106476612A (en) * | 2016-05-31 | 2017-03-08 | 徐工集团工程机械有限公司 | Piggyback pod and engineering truck |
| CN109372048A (en) * | 2018-12-13 | 2019-02-22 | 江苏徐工工程机械研究院有限公司 | Engine compartment, power unit and twin-wheel slotting machine |
| CN110588328A (en) * | 2019-10-10 | 2019-12-20 | 江苏徐工工程机械研究院有限公司 | A temperature control method for a power cabin, an engineering vehicle and a power cabin |
| CN114701352A (en) * | 2022-04-25 | 2022-07-05 | 徐州徐工矿业机械有限公司 | An engine cooling system, method and construction machinery |
| CN116744650A (en) * | 2023-06-20 | 2023-09-12 | 中航光电科技股份有限公司 | Improved circulating heat dissipation structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114701352A (en) * | 2022-04-25 | 2022-07-05 | 徐州徐工矿业机械有限公司 | An engine cooling system, method and construction machinery |
| CN116744650A (en) * | 2023-06-20 | 2023-09-12 | 中航光电科技股份有限公司 | Improved circulating heat dissipation structure |
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Application publication date: 20160511 |