CN106837584A - Beneficial to small-sized single rotor unmanned helicopter engine block structure of radiating - Google Patents
Beneficial to small-sized single rotor unmanned helicopter engine block structure of radiating Download PDFInfo
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- CN106837584A CN106837584A CN201510873789.6A CN201510873789A CN106837584A CN 106837584 A CN106837584 A CN 106837584A CN 201510873789 A CN201510873789 A CN 201510873789A CN 106837584 A CN106837584 A CN 106837584A
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- water
- cylinder body
- radiating
- annular
- small
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
- F02F1/18—Other cylinders
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
Beneficial to small-sized single rotor unmanned helicopter engine block structure of radiating, including cylinder body and water collar；Outer wall of cylinder block is connected with multi-disc radiating fin, and outer wall of cylinder block is provided with the annular vacancy band of not connected radiating fin；Water collar is sealingly mounted on the annular vacancy band of cylinder body, and annular water chamber is formed between cylinder body, which is provided with the water supply connector and water out adapter for being communicated to annular water chamber.It is an advantage of the invention that, when engine works, by water supply connector to being passed through cooling water in annular water chamber, cooling water absorbs the heat of cylinder body during being flowed in cooling water cavity, discharged by water out adapter again, radiating effect is better than the simple small aero by wind-cooling heat dissipating, it is ensured that engine job stability, extends the follow-on mission time of depopulated helicopter.
Description
Technical field
The present invention relates to engine block structure, particularly a kind of small-sized single rotor unmanned helicopter engine block structure beneficial to radiating.
Background technology
Existing small aero is often applied on depopulated helicopter, for example, take photo by plane on unmanned plane or agricultural spray agricultural chemicals unmanned plane or small-sized model airplane and military fixed-wing target drone.Consider its weight and applying working condition, its cooling mechanism includes the radiating fin being disposed in parallel on engine body, radiated by the way of air-cooled, by the propeller that is connected with arbor, rotation and the convection current wind produced during high-speed flight are cooled down to engine body at a high speed during unmanned helicopter flight.
But there is problems with use：When the reduction of propeller rotating speed or flying speed reduction of unmanned plane, the abatement of wind, the cooling effectiveness of cooling mechanism will be substantially reduced, and cause engine job insecurity, if do not raised speed, the too high power dropping of cylinder body (piston cylinder) temperature will be caused and cause air crash.If engine is lowered the temperature by speed-raising of refueling again under being in the condition of high temperature, cylinder body (piston cylinder) temperature can on the contrary lifted faster.So the existing unmanned helicopter continuous flight time is all shorter, it is impossible to realize long-time non-stop flight.
The content of the invention
The purpose of the present invention is to overcome the deficiencies in the prior art, and provides a kind of small-sized single rotor unmanned helicopter engine block structure beneficial to radiating.It is used cooperatively with water collar, increased the mode of water-cooling, and good heat dissipation effect solves the various drawbacks that existing small-sized single rotor unmanned helicopter engine is brought using wind-cooling heat dissipating.
The technical scheme is that：Beneficial to small-sized single rotor unmanned helicopter engine block structure of radiating, including cylinder body, outer wall of cylinder block is covered by the evenly distributed multi-disc radiating fin being connected thereto, and outer wall of cylinder block is provided with the annular vacancy band of not connected radiating fin.
Further technical scheme is the present invention:Cylinder body includes high-temperature region, air inlet area and ventilation area, and annular vacancy band is located at the high-temperature region of cylinder body.
The present invention is used cooperatively with water collar and had the following advantages that：
1st, part radiating fin is removed on the cylinder body of existing small aero, form the annular vacancy band installed for water collar, water collar is sealingly mounted on annular vacancy band, when engine works, by water supply connector to being passed through cooling water in annular water chamber, cooling water absorbs the heat of cylinder body during being flowed in cooling water cavity, discharged by water out adapter again, radiating effect is better than the simple small aero by wind-cooling heat dissipating, ensure engine job stability, extend follow-on mission time and the service life of engine of depopulated helicopter.
2nd, sealed by sealing gasket between the contact surface of left arc sleeve and right arc sleeve, sealed by sealing ring A and sealing ring B between water collar and the contact surface of cylinder body, prevent cooling water from oozing out or leaking from cooling water cavity.
Below in conjunction with figure, the invention will be further described with embodiment.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is the dimensional structure diagram after the present invention is assembled with water collar；
Fig. 3 is the explosive view of water collar.
Specific embodiment
Embodiment 1：
As shown in Figure 1：Beneficial to small-sized single rotor unmanned helicopter engine block structure of radiating, including cylinder body 1, the outer wall of cylinder body 1 is covered by the evenly distributed multi-disc radiating fin 11 being connected thereto, it is characterized in that：The outer wall of cylinder body 1 is provided with the annular vacancy band 12 of not connected radiating fin 11.Cylinder body 1 includes high-temperature region, air inlet area and ventilation area, and annular vacancy is with 12 high-temperature regions 13 for being located at cylinder body 1.
Structure after the present invention and water collar assembling is as shown in Figure 2,3：
Including cylinder body 1 and water collar.Water collar includes left arc sleeve 21 and right arc sleeve 22.Left and right arc sleeve is arranged on the annular vacancy of cylinder body 1 band 12 and is bolted into an annular, and the tank connection on both intrados circularizes tank, and annular water chamber 3 is formed between annular water tank and cylinder body 1.The water supply connector 211 to annular water chamber 3 and water out adapter 221 are communicated with water collar.Water supply connector 211 is located on left arc sleeve 21, and water out adapter 221 is located on right arc sleeve 22.Multi-disc fin 23 is evenly equipped with the extrados of left and right arc sleeve.
Sealed by sealing gasket 24 between the contact surface of left arc sleeve 21 and right arc sleeve 22.Sealed by sealing ring A25 and sealing ring B26 between the contact surface of water collar and cylinder body 1, sealing ring A, B are located at the both sides of annular water chamber 3.
Claims (2)
1., beneficial to small-sized single rotor unmanned helicopter engine block structure of radiating, including cylinder body (1), cylinder body (1) outer wall is covered by the evenly distributed multi-disc radiating fin (11) being connected thereto, it is characterized in that：Cylinder body (1) outer wall is provided with the annular vacancy band (12) of not connected radiating fin (11).
2. as claimed in claim 1 beneficial to the small-sized single rotor unmanned helicopter engine block structure for radiating, it is characterized in that：Cylinder body (1) includes high-temperature region (13), air inlet area and ventilation area, and annular vacancy band (12) is located at the high-temperature region of cylinder body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510873789.6A CN106837584A (en) | 2015-12-03 | 2015-12-03 | Beneficial to small-sized single rotor unmanned helicopter engine block structure of radiating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510873789.6A CN106837584A (en) | 2015-12-03 | 2015-12-03 | Beneficial to small-sized single rotor unmanned helicopter engine block structure of radiating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106837584A true CN106837584A (en) | 2017-06-13 |
Family
ID=59149215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510873789.6A Pending CN106837584A (en) | 2015-12-03 | 2015-12-03 | Beneficial to small-sized single rotor unmanned helicopter engine block structure of radiating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106837584A (en) |
-
2015
- 2015-12-03 CN CN201510873789.6A patent/CN106837584A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170613 |