CN203946283U - Agricultural depopulated helicopter driving engine Scroll collection forced air cooler - Google Patents
Agricultural depopulated helicopter driving engine Scroll collection forced air cooler Download PDFInfo
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- CN203946283U CN203946283U CN201420390065.7U CN201420390065U CN203946283U CN 203946283 U CN203946283 U CN 203946283U CN 201420390065 U CN201420390065 U CN 201420390065U CN 203946283 U CN203946283 U CN 203946283U
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Abstract
The utility model has been announced a kind of agricultural depopulated helicopter driving engine Scroll collection forced air cooler, belongs to helicopter engine cooling technology field.This cooling vessel comprises volute, on volute, be wholely set the cylindrical shape inlet plenum that is positioned at scroll front portion, centrifugal fan is arranged in the scroll of volute, centrifugal fan and cylindrical shape inlet plenum be concentric to be arranged and the diameter of centrifugal fan is greater than the internal diameter of cylindrical shape inlet plenum, volute bilateral symmetry is provided with two diffusers, diffuser communicates with scroll by scroll wall opening, and described opening is positioned at scroll cross section maximum, and engine cylinder-body is positioned at the exit of diffuser.This device has well solved engine radiating problem in agricultural depopulated helicopter operation process, is adapted at agricultural Helicopter Technology field and applies.
Description
Technical field
The utility model relates to a kind of collection forced air cooler, and particularly a kind of agricultural depopulated helicopter driving engine Scroll collection forced air cooler, belongs to helicopter engine cooling technology field.
Background technology
It is low that depopulated helicopter has cost, efficiency is high, the advantages such as landing is convenient, be widely used in various fields, and development prospect is rather good, the weather of depopulated helicopter itself is adaptable, , be widely used in taking photo by plane, the current depopulated helicopter in the fields such as aviation plant protection driving engine used is air-cooled engine substantially, natural air cooled or employing cooling fan when this radiating mode need to advance at utmost speed by helicopter carries out force-air cooling solution, but in the practical application of aviation plant protection, because operation needs, the speed of advancing of helicopter is slow, advance produce natural wind very little, even need hovering, air-cooled engine is limited by shell shape and organism internal structure, radiating effect is not good, the heat that driving engine distributes in this case can not by depopulated helicopter advance at utmost speed carry out natural air cooled heat radiation or because of ambient temperature high, cause starting built-in temperature sharply to raise, usually make the temperature of driving engine more than 230 degrees Celsius, be difficult to lower, this situation one is the life-span that affects helicopter, the 2nd, the easy scuffing of cylinder bore of driving engine or armful cylinder, easily cause the generation of air crash accident.For overcoming the problem of indicating oven temp. of engine in working process, very large cooling fan is installed in the employing having in the industry additional near driving engine, for horizontally-opposed driving engine, add the cooling fan of two diameter twices and engine size, although this type of cooling has certain effect, but for helicopter, the volume and weight installing additional is all larger, affect the work efficiency of helicopter itself, and this mode also only can be reduced to the temperature of driving engine 150 degrees Celsius of left and right, in unmanned plane agricultural plant protection process, for the harm and the loss that prevent that the engine overheat of helicopter from bringing, often take to reduce the way of medicine carrying amount, if specified medicine carrying amount is 10kg, actual medicine carrying amount 80%, be 8kg, to reduce the workload of driving engine, although this mode can ensure the safe operation of helicopter, but obviously can affect the operating efficiency of agricultural plant protection.
Summary of the invention
The utility model, for overcoming above the problems of the prior art, provides a kind of agricultural depopulated helicopter driving engine Scroll collection forced air cooler.
For realizing the purpose of this utility model, the technical scheme that the utility model adopts is: agricultural depopulated helicopter driving engine Scroll collection forced air cooler, comprise volute, on volute, be wholely set the cylindrical shape inlet plenum that is positioned at scroll front portion, centrifugal fan is arranged in the scroll of volute, centrifugal fan and cylindrical shape inlet plenum be concentric to be arranged and the diameter of centrifugal fan is greater than the internal diameter of cylindrical shape inlet plenum, volute bilateral symmetry is provided with two diffusers, diffuser communicates with scroll by scroll wall opening, described opening is positioned at scroll cross section maximum, engine cylinder-body is positioned at the exit of diffuser, further, described diffuser near middle is provided with air deflector, described air deflector is one to be arranged on the deflecting plate in diffuser along volute short transverse, this deflecting plate is away from not communicating between one side of volute and diffuser inwall, near having an opening between one side of volute and the inwall of expanding, the lower end of deflecting plate is arranged on 3/4ths At The Heights of diffuser, described deflecting plate is made as a dip plane from bottom 1/3rd At The Heights, described dip plane direction of tilt is contrary with centrifugal blower hand of rotation, the angle tilting is 15
o-25
o, further, described helicopter is pancake engine, two cylinder bodies are corresponding with two diffusers, further, and the described high 7-10mm of cylindrical shape inlet plenum, internal diameter is 100-120mm, and further, the size of described diffuser exports big or small covering engine cylinder body.
The positive technique effect that the utility model has is: this collection forced air cooler is to design for Wind-cooling type depopulated helicopter driving engine specially, " the flaring cross section volute+outlet water conservancy diversion " mode of employing, air is under the centrifugal fan High Rotation Speed centrifugal action of driven by engine, air is sucked from top inlet plenum, inlet plenum adopts cylinder type design, air-flow is evenly entered, admission port adopts running-on design, make the air entering can not return to inlet plenum, thereby raising intake efficiency, air enters diffusion scroll by fan High Rotation Speed, it is scroll, carry out diffusion for the first time, the part kinetic energy of gas is transformed into static pressure, carry out preliminary preparation for improving gas vent static pressure, in the time that gas enters diffuser continually, due to the sudden enlargement of air flow channel space, flow velocity abrupt change, carry out diffusion for the second time, static air pressure value increases substantially, exit gas flow is improved, take away to ensure enough amount of airs the heat that engine cylinder-body produces, because air-flow is when leaving fan blade and scroll outer wall, to move by tangential direction, will cause air-flow too to concentrate certain part in diffuser trend, make cylinder body heat radiation uneven.For this reason, in diffuser, add a guides, make air flow energy flow through uniformly whole engine cylinder-body, reach even cooling performance.The utility model is very good through real-world operation effect, taking the agricultural depopulated helicopter of specified medicine carrying amount 10kg as example, be the air cooling system that 10kg adopts the original design configurations of helicopter in medicine carrying amount, engine temperature is through being everlasting more than 230 degrees Celsius, in the time that being 8kg, medicine carrying amount adopts the air cooling system of the original design configurations of helicopter, engine temperature is through being everlasting more than 180 degrees Celsius, adopt the technical solution of the utility model, medicine carrying amount is in the time of 12kg, start and temperature can be controlled at below 110 degrees Celsius, medicine carrying amount 10kg, while being specified medicine carrying amount, the temperature of driving engine is 100 degrees Celsius of left and right, more than illustrate that this device obtained beyond thought technique effect, well solve engine radiating problem in agricultural depopulated helicopter operation process, being adapted at agricultural Helicopter Technology field applies.
Brief description of the drawings
Fig. 1 is front elevational schematic of the present utility model.
Fig. 2 is schematic top plan view of the present utility model.
Fig. 3 is that B-B in the utility model is to schematic diagram.
Fig. 4 is that C-C in the utility model is to schematic diagram.
Detailed description of the invention
In order to explain more fully enforcement of the present utility model, provide embodiment of the present utility model.These embodiments are only the elaborations to this device, do not limit scope of the present utility model.
Agricultural depopulated helicopter driving engine Scroll collection forced air cooler, comprise volute, on volute, be wholely set the cylindrical shape inlet plenum that is positioned at scroll front portion, centrifugal fan is arranged in the scroll of volute, centrifugal fan and cylindrical shape inlet plenum be concentric to be arranged and the diameter of centrifugal fan is greater than the internal diameter of cylindrical shape inlet plenum, volute bilateral symmetry is provided with two diffusers, diffuser communicates with scroll by scroll wall opening, described opening is positioned at scroll cross section maximum, engine cylinder-body is positioned at the exit of diffuser, further, described diffuser near middle is provided with air deflector, described air deflector is one to be arranged on the deflecting plate in diffuser along volute short transverse, this deflecting plate is away from not communicating between one side of volute and diffuser inwall, near having an opening between one side of volute and the inwall of expanding, the lower end of deflecting plate is arranged on 3/4ths At The Heights of diffuser, described deflecting plate is made as a dip plane from bottom 1/3rd At The Heights, described dip plane direction of tilt is contrary with centrifugal blower hand of rotation, the angle tilting is 15
o-25
ofurther, described helicopter is pancake engine, two cylinder bodies are corresponding with two diffusers, further, and the described high 7-10mm of cylindrical shape inlet plenum, internal diameter is 100-120mm, further, the size of described diffuser exports big or small covering engine cylinder body, just in time covering engine cylinder body.
More detailed embodiment as shown in drawings, Fig. 1 is front elevational schematic of the present utility model, and Fig. 2 is schematic top plan view of the present utility model, and A-A is to schematic diagram, Fig. 3 be B-B in the utility model to schematic diagram, Fig. 4 is that C-C in the utility model is to schematic diagram.In accompanying drawing, be respectively labeled as: 1-1: expanding device a, 1-2: expanding device b, 1-11: deflecting plate a, 1-12: deflecting plate b, 2: volute, 3: scroll, 4-1: cylinder body a, 4-2: cylinder body b, 5: cylindrical shape air inlet locular wall, 6: centrifugal blower, 7: cylindrical shape inlet plenum, as shown in the figure, the inside of volute 2 is scroll 3, be wholely set cylindrical shape inlet plenum 7 in the front portion of scroll 3, the 5th, cylindrical shape air inlet locular wall, centrifugal blower 6 is installed in scroll 3, the fan blade maximum gauge of centrifugal blower 6 is greater than the diameter of inlet plenum 7, gapped between the bottom of the end face of centrifugal blower 6 and inlet plenum 7, symmetrical cross section maximum in scroll both sides has opening, opening UNICOM diffuser, in figure, 1-1 is depicted as expanding device a, 1-2 is depicted as expanding device b, the middle part of two expanding devices is provided with air deflector, in figure, 1-11 is depicted as the air deflector a in diffuser a, 1-12 is depicted as the air deflector b in expanding device b, the bottom of air deflector is arranged on 3/4ths At The Heights of diffuser, be that deflecting plate lower end is 1/4th of diffuser height from the distance of diffuser lower end, for realizing good uniform water conservancy diversion cooling performance, find that in test deflecting plate is made as a dip plane from bottom 1/3rd At The Heights, this dip plane direction of tilt is contrary with centrifugal blower hand of rotation, the angle tilting is 15
o-25
oeffect can be fine, and preferred inclined-plane tilts 20
o, direction of tilt is contrary with blower fan hand of rotation, and the angle of inclined-plane and inclination has been shown in Fig. 3, the more specifically high 7-10mm of cylindrical shape inlet plenum, and internal diameter is 100-120mm, the outlet size of described diffuser should be advisable to cover engine cylinder-body.This collection forced air cooler is to design for Wind-cooling type depopulated helicopter driving engine specially, " the flaring cross section volute+outlet water conservancy diversion " mode of employing, in the time of work, air is under the centrifugal fan High Rotation Speed centrifugal action of driven by engine, air is sucked from top inlet plenum, inlet plenum adopts cylinder type design, air-flow is evenly entered, admission port adopts running-on design, make the air entering can not return to inlet plenum, thereby raising intake efficiency, air enters diffusion scroll by fan High Rotation Speed, it is scroll, carry out diffusion for the first time, the part kinetic energy of gas is transformed into static pressure, carry out preliminary preparation for improving gas vent static pressure, in the time that gas enters diffuser continually, due to the sudden enlargement of air flow channel space, flow velocity abrupt change, carry out diffusion for the second time, static air pressure value increases substantially, exit gas flow is improved, take away to ensure enough amount of airs the heat that engine cylinder-body produces, because air-flow is when leaving fan blade and scroll outer wall, to move by tangential direction, will cause air-flow too to concentrate certain part in diffuser trend, make cylinder body heat radiation uneven.For this reason, in diffuser, add a guides, make air flow energy flow through uniformly whole engine cylinder-body, reach even cooling performance.The utility model is very good through real-world operation effect, taking the agricultural depopulated helicopter of specified medicine carrying amount 10kg as example, be the air cooling system that 10kg adopts the original design configurations of helicopter in medicine carrying amount, engine temperature is through being everlasting more than 230 degrees Celsius, in the time that being 8kg, medicine carrying amount adopts the air cooling system of the original design configurations of helicopter, engine temperature is through being everlasting more than 180 degrees Celsius, adopt the technical solution of the utility model, medicine carrying amount is in the time of 12kg, start and temperature can be controlled at below 110 degrees Celsius, medicine carrying amount 10kg, while being specified medicine carrying amount, the temperature of driving engine is below 100 degrees Celsius, hand can touch does not in short-term hinder hand, more than illustrate that this device obtained beyond thought technique effect, well solve engine radiating problem in agricultural depopulated helicopter operation process, being adapted at agricultural Helicopter Technology field applies.
After describing embodiment of the present utility model in detail, the personage who is familiar with this technology can be well understood to, can carry out various variations and amendment not departing under above-mentioned claim and spirit, any simple modification, equivalent variations and modification that all foundations technical spirit of the present utility model is done above embodiment, all belong to the scope of technical solutions of the utility model, and the utility model is not also limited to the embodiment of example in specification sheets.
Claims (5)
1. agricultural depopulated helicopter driving engine Scroll collection forced air cooler, comprise volute, it is characterized in that: on volute, be wholely set the cylindrical shape inlet plenum that is positioned at scroll front portion, centrifugal fan is arranged in the scroll of volute, centrifugal fan and cylindrical shape inlet plenum be concentric to be arranged and the diameter of centrifugal fan is greater than the internal diameter of cylindrical shape inlet plenum, volute bilateral symmetry is provided with two diffusers, diffuser communicates with scroll by scroll wall opening, described opening is positioned at scroll cross section maximum, and engine cylinder-body is positioned at the exit of diffuser.
2. agricultural depopulated helicopter driving engine Scroll collection forced air cooler according to claim 1, it is characterized in that: described diffuser near middle is provided with air deflector, described air deflector is one to be arranged on the deflecting plate in diffuser along volute short transverse, this deflecting plate is away from not communicating between one side of volute and diffuser inwall, near having an opening between one side of volute and the inwall of expanding, the lower end of deflecting plate is arranged on 3/4ths At The Heights of diffuser, described deflecting plate is made as a dip plane from bottom 1/3rd At The Heights, described dip plane direction of tilt is contrary with centrifugal blower hand of rotation, the angle tilting is 15
o-25
o.
3. agricultural depopulated helicopter driving engine Scroll collection forced air cooler according to claim 1, is characterized in that: described helicopter is pancake engine, and two cylinder bodies are corresponding with two diffusers.
4. agricultural depopulated helicopter driving engine Scroll collection forced air cooler according to claim 1, is characterized in that: the described high 7-10mm of cylindrical shape inlet plenum, internal diameter is 100-120mm.
5. agricultural depopulated helicopter driving engine Scroll collection forced air cooler according to claim 1, is characterized in that: the size of described diffuser exports big or small covering engine cylinder body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420390065.7U CN203946283U (en) | 2014-07-16 | 2014-07-16 | Agricultural depopulated helicopter driving engine Scroll collection forced air cooler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420390065.7U CN203946283U (en) | 2014-07-16 | 2014-07-16 | Agricultural depopulated helicopter driving engine Scroll collection forced air cooler |
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| Publication Number | Publication Date |
|---|---|
| CN203946283U true CN203946283U (en) | 2014-11-19 |
Family
ID=51888339
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|---|---|---|---|
| CN201420390065.7U Expired - Fee Related CN203946283U (en) | 2014-07-16 | 2014-07-16 | Agricultural depopulated helicopter driving engine Scroll collection forced air cooler |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104691768A (en) * | 2014-07-16 | 2015-06-10 | 安阳全丰航空植保科技有限公司 | Volute type air centralization cooler for engine of agricultural unmanned helicopter |
| CN104802998A (en) * | 2015-04-25 | 2015-07-29 | 亳州市智航航空植保科技有限公司 | Air-cooled engine for unmanned plant protection aircraft |
| CN106741978A (en) * | 2016-12-30 | 2017-05-31 | 中航维拓（天津）科技有限公司 | A kind of helicopter integration Complex-cooling system |
| CN106741977A (en) * | 2017-02-09 | 2017-05-31 | 深圳市航宇航空科技有限公司 | A kind of culvert type unmanned vehicle overhead engine direct drives double device for cooling |
| CN109229398A (en) * | 2018-08-30 | 2019-01-18 | 哈尔滨飞机工业集团有限责任公司 | A kind of piggyback pod having active heat removal function |
| CN109642585A (en) * | 2016-09-02 | 2019-04-16 | 惠普发展公司， 有限责任合伙企业 | Blower-casting for noise reduction |
| CN110015435A (en) * | 2019-04-12 | 2019-07-16 | 亿航智能设备（广州）有限公司 | Electric aircraft and its cooling system, method, equipment and storage medium |
| CN112829929A (en) * | 2021-01-27 | 2021-05-25 | 贵州电网有限责任公司 | A wireless line unmanned aerial vehicle that patrols that charges for on high-voltage transmission lines |
-
2014
- 2014-07-16 CN CN201420390065.7U patent/CN203946283U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104691768A (en) * | 2014-07-16 | 2015-06-10 | 安阳全丰航空植保科技有限公司 | Volute type air centralization cooler for engine of agricultural unmanned helicopter |
| CN104691768B (en) * | 2014-07-16 | 2017-01-18 | 安阳全丰航空植保科技有限公司 | Volute type air centralization cooler for engine of agricultural unmanned helicopter |
| CN104802998A (en) * | 2015-04-25 | 2015-07-29 | 亳州市智航航空植保科技有限公司 | Air-cooled engine for unmanned plant protection aircraft |
| CN109642585A (en) * | 2016-09-02 | 2019-04-16 | 惠普发展公司， 有限责任合伙企业 | Blower-casting for noise reduction |
| US11131324B2 (en) | 2016-09-02 | 2021-09-28 | Hewlett-Packard Development Company, L.P. | Fan housing for reduced noise |
| CN106741978A (en) * | 2016-12-30 | 2017-05-31 | 中航维拓（天津）科技有限公司 | A kind of helicopter integration Complex-cooling system |
| CN106741978B (en) * | 2016-12-30 | 2023-09-29 | 重庆驼航科技有限公司 | Integrated composite cooling system for helicopter |
| CN106741977A (en) * | 2017-02-09 | 2017-05-31 | 深圳市航宇航空科技有限公司 | A kind of culvert type unmanned vehicle overhead engine direct drives double device for cooling |
| CN109229398A (en) * | 2018-08-30 | 2019-01-18 | 哈尔滨飞机工业集团有限责任公司 | A kind of piggyback pod having active heat removal function |
| CN110015435A (en) * | 2019-04-12 | 2019-07-16 | 亿航智能设备（广州）有限公司 | Electric aircraft and its cooling system, method, equipment and storage medium |
| CN112829929A (en) * | 2021-01-27 | 2021-05-25 | 贵州电网有限责任公司 | A wireless line unmanned aerial vehicle that patrols that charges for on high-voltage transmission lines |
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Legal Events
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141119 Termination date: 20160716 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |