CN108266273A - A kind of engine heat dissipating device and unmanned plane - Google Patents
A kind of engine heat dissipating device and unmanned plane Download PDFInfo
- Publication number
- CN108266273A CN108266273A CN201810188250.0A CN201810188250A CN108266273A CN 108266273 A CN108266273 A CN 108266273A CN 201810188250 A CN201810188250 A CN 201810188250A CN 108266273 A CN108266273 A CN 108266273A
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- China
- Prior art keywords
- engine
- air
- air outlet
- heat dissipating
- dissipating device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000009413 insulation Methods 0.000 claims abstract description 29
- 238000002485 combustion reaction Methods 0.000 claims abstract description 28
- 230000017525 heat dissipation Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 11
- 239000007921 spray Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/12—Cooling of plants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D33/00—Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for
- B64D33/08—Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for of power plant cooling systems
- B64D33/10—Radiator arrangement
Abstract
The invention discloses a kind of engine heat dissipating device and unmanned planes, it belongs to Helicopter Technology field, engine heat dissipating device includes thermal insulation board and axial flow blower, thermal insulation board is located at the side of engine and is arranged at intervals with engine, offer air outlet on thermal insulation board, the shell face of the combustion chamber of air outlet and engine is set；Axial flow blower includes air inlet and exhaust outlet, the setting of exhaust outlet face air outlet, and the area of air outlet is more than the area of exhaust outlet.Unmanned plane includes above-mentioned engine heat dissipating device.When engine works, axial flow blower works at the same time, and by the air outlet of thermal insulation board to the discharge high-speed air of engine, takes away heat caused by engine；Because thermal insulation board is arranged at intervals with engine, and the area of air outlet is more than the area of exhaust outlet, when axial flow blower works discharge high-speed air, since air stream movable property gives birth to pressure difference, surrounding air is driven to increase air mass flow to flowing at the air outlet of thermal insulation board, increase heat dissipation effect.
Description
Technical field
The present invention relates to Helicopter Technology field more particularly to a kind of engine heat dissipating devices and unmanned plane.
Background technology
Rotor wing unmanned aerial vehicle is due to mobility strong, operating cost is low and is widely used in civil and military field, such as navigate
Bat, stability maintenance, investigation, rescue, circuit inspection, agricultural plant protection etc..Rotor wing unmanned aerial vehicle is encountering during actual use
Under special operating mode, work of hovering for a long time is needed, it is natural air cooled that rotor wing unmanned aerial vehicle can not rely on high-speed mobile to carry out, internal temperature
Degree rises, and easily makes engine overheat and breaks down or even cause the crash of unmanned plane, generates huge economic loss.
In the prior art, have and radiated using the heat dissipation mesh of heat dissipating housing, but radiating efficiency is relatively low, it still can not be fast
Speed dissipates the heat of engine, and the temperature of engine is still higher, and the probability to break down is also still larger.
Invention content
It is an object of the present invention to provide a kind of engine heat dissipating device, to solve in the prior art start
The technical issues of machine radiating efficiency is low, high failure rate.
It is another object of the present invention to provide a kind of unmanned plane, engine radiating is efficient, unmanned plane failure rate is low.
As above conceive, the technical solution adopted in the present invention is：
A kind of engine heat dissipating device, including：
Thermal insulation board is arranged at intervals positioned at the side of engine and with the engine, outlet air is offered on the thermal insulation board
Mouthful, the air outlet and the shell face of the combustion chamber of the engine are set；
Axial flow blower, including air inlet and exhaust outlet, air outlet described in the exhaust outlet face is set, the air outlet
Area is more than the area of the exhaust outlet.
Wherein, the combustion chamber of the spout of the engine and the engine, the air outlet and the spout point
Not Wei Yu the combustion chamber both sides.
Wherein, air outlet pipe, one end of the air outlet pipe and the spout connection are connected on the shell of the combustion chamber.
Wherein, the thermal insulation board includes air dam and the mounting portion being connect with the air dam, and the air outlet is opened in
On the air dam, mounting hole is offered on the mounting portion.
Wherein, the shell of the combustion chamber is cylinder, and the air dam is the thin-walled that section is semi-circular shape, described to lead
Wind portion is coaxially disposed with the shell, the air dam and the radially spaced setting of the shell.
Wherein, the axial flow blower includes：
Housing, the air inlet are opened on the housing；
Impeller axle is connect in the housing and with the housing into rotation；
Impeller is installed in the impeller axle；
Guide vane, on the inner wall of the housing, several described guide vanes are evenly spaced on around the impeller axle；
Diffuser pipe, one end are connect with the housing, and the other end is the exhaust outlet.
Wherein, motor, the impeller axle and the output axis connection of the motor are further included.
Wherein, commutator, one end of the commutator and the impeller axis connection are further included, the other end connects with deceleration device
It connects.
A kind of unmanned plane, including engine heat dissipating device as described above.
Wherein, the engine is turboaxle motor.
Beneficial effects of the present invention：
Engine heat dissipating device proposed by the present invention, when the engine operates, axial flow blower works at the same time, and passes through thermal insulation board
Shell from air outlet to the combustion chamber of engine discharge high-speed air, take away heat caused by engine；Because thermal insulation board
It is arranged at intervals with engine, and the area of air outlet is more than the area of exhaust outlet, when axial flow blower works discharge high-speed air,
Since air stream movable property gives birth to pressure difference, surrounding air is driven to further increase the stream of air to flowing at the air outlet of thermal insulation board
Amount, increases heat dissipation effect.
Unmanned plane proposed by the present invention because using above-mentioned engine heat dissipating device, utilizes matching for axial flow blower and thermal insulation board
It closes, the heat of engine is taken away, radiating efficiency is high, and the engine in the fuselage of unmanned plane is made to cool down rapidly, reduces hair
The failure rate of motivation reduces the possibility that unmanned plane crashes, avoids unnecessary economic loss.
Description of the drawings
Fig. 1 is the structure diagram for the engine heat dissipating device that the embodiment of the present invention one provides；
Fig. 2 is the structure diagram of engine heat dissipating device provided by Embodiment 2 of the present invention.
In figure：
1st, engine；2nd, thermal insulation board；3rd, axial flow blower；4th, air outlet pipe；5th, mounting bracket；6th, commutator；7th, deceleration device；
21st, air dam；22nd, mounting portion.
Specific embodiment
For make present invention solves the technical problem that, the technical solution that uses and the technique effect that reaches it is clearer, below
The technical solution further illustrated the present invention with reference to attached drawing and by specific embodiment.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention rather than limitation of the invention.It also should be noted that in order to just
Part related to the present invention is illustrated only in description, attached drawing and not all.
Embodiment one
Referring to Fig. 1, the embodiment of the present invention provides a kind of engine heat dissipating device, for radiating to engine 1.Engine dissipates
Thermal includes thermal insulation board 2 and axial flow blower 3, and thermal insulation board 2 is located at the side of engine 1 and is arranged at intervals with engine 1, heat-insulated
Air outlet is offered on plate 2, air outlet and the shell face of the combustion chamber of engine 1 are set；Axial flow blower 3 include air inlet and
Exhaust outlet, the setting of exhaust outlet face air outlet, the area of air outlet are more than the area of exhaust outlet.
When engine 1 works, axial flow blower 3 works at the same time, by the air outlet that thermal insulation board 2 is opened to engine 1
Combustor outer casing discharges high-speed air, takes away heat caused by engine 1；Because thermal insulation board 2 is arranged at intervals with engine 1,
And the area of air outlet is more than the area of exhaust outlet, when axial flow blower 3 works discharge high-speed air, since air stream movable property is given birth to
Pressure difference drives surrounding air to further increase the flow of air to flowing at the air outlet of thermal insulation board 2, increase heat dissipation effect
Fruit.Using the cooperation of axial flow blower 3 and thermal insulation board 2, the heat of engine 1 is taken away, radiating efficiency is high, makes engine 1 rapid
Cooling reduces the failure rate of engine 1, avoids unnecessary economic loss.For the interval between thermal insulation board 2 and engine 1
Size and air outlet area it is more how many greatly than the area of exhaust outlet, be not restricted, can be set according to actual conditions herein
It puts.
The spout of engine 1 and the combustion chamber of engine 1, air outlet and spout are located at the both sides of combustion chamber respectively.
Because gas can be sprayed to the combustor outer casing of engine 1 by air outlet, air outlet and spout are located at the both sides of combustion chamber, prevent respectively
The only normal work for the gases affect spout that air outlet sprays, and the setting of air outlet, also can be by the gas and heat of nozzle
Amount is taken away, and strengthens heat dissipation.
Air outlet pipe 4, one end of air outlet pipe 4 and spout connection are connected on the shell of combustion chamber.The setting of air outlet pipe 4, it is right
The gas that the spout of engine 1 sprays plays guiding role.In the present embodiment, air outlet pipe 4 is rectangular tube.Thermal insulation board 2 is located at
The side of combustion chamber, air outlet pipe 4 are located at the opposite side of combustion chamber and are installed on shell.
In the present embodiment, thermal insulation board 2 includes air dam 21 and the mounting portion 22 being connect with air dam 21, and air outlet opens up
In on air dam 21, mounting hole is offered on mounting portion 22.Air dam 21 with engine 1 for coordinating, to the spout of engine 1
Wind-guiding, for installing fixed thermal insulation board 2, mounting hole is used to install screw mounting portion 22.
In the present embodiment, the shell of combustion chamber for cylinder, air dam 21 for section be semi-circular shape thin-walled, wind-guiding
Portion 21 is coaxially disposed with shell, air dam 21 and the radially spaced setting of shell.The structure setting of air dam 21 so that engine
1 combustion chamber is located at the inside of air dam 21, and axial flow blower 3 is located at the outside of air dam 21,21 semi-surrounding combustion chamber of air dam
Shell, air outlet spray gas along combustion chamber case surface flow, take away heat.The setting of semi-surrounding increases gas
While with the contact area of shell, gas is not influenced and is flowed out in time.
Certainly, the shape of combustion chamber and air dam 21 is not construed as limiting, as long as air dam 21 is enabled to match with combustion chamber
Merge the wind-guiding into combustion chamber.
Axial flow blower 3 includes housing, impeller axle, impeller, guide vane and diffuser pipe, and air inlet is opened on housing, impeller axle
It being connect in housing and with housing into rotation, impeller is installed in impeller axle, and guide vane is located at the inner wall of housing and is connect with housing,
Several guide vanes are evenly spaced on around impeller axle；One end of diffuser pipe is connect with housing, and the other end is exhaust outlet.
When the impeller is rotated, gas from air inlet along impeller axially into housing, by the pushing of impeller blade
The energy of gas is increased, then flows into guide vane, guide vane becomes axial flowing, while introduce gas into diffuser pipe by air-flow is deflected
It is interior, gas is discharged by exhaust outlet.
In the present embodiment, mounting bracket 5 is provided on engine 1, axial flow blower 3 is connect with mounting bracket 5.
In the present embodiment, the output shaft company of axial flow blower 3, impeller axle and motor is driven by motor (not shown)
It connects.The setting of motor, it is simple and convenient, it occupies little space, mitigates the weight of radiator.
Embodiment two
Fig. 2 shows embodiment two, wherein identical with embodiment one or corresponding parts are used with embodiment one accordingly
Reference numeral.For simplicity, the distinctive points of embodiment two and embodiment one are only described.Difference part is, passes through commutation
The output shaft driving axial flow blower 3 of device 6, one end and the impeller axis connection of commutator 6, the other end are connect with deceleration device 7.Commutation
The setting of device 6, increases the stability of device, and in the case where needing to install two engines 1, and commutator 6 can be with
Two axial flow blowers 3 are connected simultaneously, ensure synchronism and stability.
The embodiment of the present invention also provides a kind of unmanned plane, includes the engine heat dissipating device of as above any embodiment.Because adopting
With above-mentioned engine heat dissipating device, using the cooperation of axial flow blower 3 and thermal insulation board 2, the heat of engine 1 is taken away, heat dissipation effect
Rate is high, and the engine 1 in the fuselage of unmanned plane is made to cool down rapidly, reduces the failure rate of engine 1, reduces unmanned plane and crashes
Possibility, avoid unnecessary economic loss.
In the present embodiment, engine 1 is turboaxle motor.The main pyrotoxin of turboaxle motor is in combustion chamber and spray
At mouthful, so turboaxle motor (especially combustion chamber and spout) and the other equipment of unmanned plane are separated with thermal insulation board 2.
Embodiment of above is to elaborate the basic principle and characteristic of the present invention, and the present invention is not limited by the above embodiment
System, without departing from the spirit and scope of the present invention, the present invention also have various changes, these changes and modifications are all
It falls into scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent circle
It is fixed.
Claims (10)
1. a kind of engine heat dissipating device, which is characterized in that including：
Thermal insulation board (2) is arranged at intervals positioned at the side of engine (1) and with the engine (1), is opened on the thermal insulation board (2)
Equipped with air outlet, the air outlet and the shell face of the combustion chamber of the engine (1) are set；
Axial flow blower (3), including air inlet and exhaust outlet, air outlet described in the exhaust outlet face is set, the air outlet
Area is more than the area of the exhaust outlet.
2. engine heat dissipating device according to claim 1, which is characterized in that the spout of the engine (1) with it is described
The combustion chamber of engine (1), the air outlet and the spout are located at the both sides of the combustion chamber respectively.
3. engine heat dissipating device according to claim 2, which is characterized in that be connected with out on the shell of the combustion chamber
Tracheae (4), one end and the spout connection of the air outlet pipe (4).
4. engine heat dissipating device according to claim 1, which is characterized in that the thermal insulation board (2) is including air dam
(21) and with the air dam (21) mounting portion (22) connecting, the air outlet is opened on the air dam (21), described
Mounting portion offers mounting hole on (22).
5. engine heat dissipating device according to claim 4, which is characterized in that the shell of the combustion chamber is cylinder,
The air dam (21) is the thin-walled that section is semi-circular shape, and the air dam (21) is coaxially disposed with the shell, described to lead
Wind portion (21) and the radially spaced setting of the shell.
6. engine heat dissipating device according to claim 1, which is characterized in that the axial flow blower (3) includes：
Housing, the air inlet are opened on the housing；
Impeller axle is connect in the housing and with the housing into rotation；
Impeller is installed in the impeller axle；
Guide vane, on the inner wall of the housing, several described guide vanes are evenly spaced on around the impeller axle；
Diffuser pipe, one end are connect with the housing, and the other end is the exhaust outlet.
7. engine heat dissipating device according to claim 6, which is characterized in that further include motor, the impeller axle and institute
State the output axis connection of motor.
8. engine heat dissipating device according to claim 6, which is characterized in that further include commutator (6), the commutator
(6) one end and the impeller axis connection, the other end are connect with deceleration device (7).
9. a kind of unmanned plane, which is characterized in that including such as claim 1-8 any one of them engine heat dissipating device.
10. unmanned plane according to claim 9, which is characterized in that the engine (1) is turboaxle motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810188250.0A CN108266273A (en) | 2018-03-07 | 2018-03-07 | A kind of engine heat dissipating device and unmanned plane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810188250.0A CN108266273A (en) | 2018-03-07 | 2018-03-07 | A kind of engine heat dissipating device and unmanned plane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108266273A true CN108266273A (en) | 2018-07-10 |
Family
ID=62774706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810188250.0A Pending CN108266273A (en) | 2018-03-07 | 2018-03-07 | A kind of engine heat dissipating device and unmanned plane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108266273A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109484656A (en) * | 2018-12-24 | 2019-03-19 | 沈阳旋飞航空技术有限公司 | A kind of engine heat insulation structural for the dynamic unmanned plane of oil |
| CN113211581A (en) * | 2021-05-13 | 2021-08-06 | 浙江木田工具股份有限公司 | Firewood chopping device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05169986A (en) * | 1991-12-24 | 1993-07-09 | Nissan Motor Co Ltd | Engine room structure |
| JPH09287451A (en) * | 1996-04-22 | 1997-11-04 | Aisin Chem Co Ltd | Radiator cooling system |
| JP2008038687A (en) * | 2006-08-03 | 2008-02-21 | Zenoah:Kk | Engine blower |
| CN102673793A (en) * | 2012-06-08 | 2012-09-19 | 中国航空工业集团公司西安飞机设计研究所 | Exhaust ejector system of airplane auxiliary power unit |
| CN104648674A (en) * | 2013-11-22 | 2015-05-27 | 中国航空工业集团公司西安飞机设计研究所 | Low-resistance fan-aided ejecting air feeding device |
| CN207934996U (en) * | 2018-03-07 | 2018-10-02 | 天津曙光天成科技有限公司 | A kind of engine heat dissipating device and unmanned plane |
-
2018
- 2018-03-07 CN CN201810188250.0A patent/CN108266273A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05169986A (en) * | 1991-12-24 | 1993-07-09 | Nissan Motor Co Ltd | Engine room structure |
| JPH09287451A (en) * | 1996-04-22 | 1997-11-04 | Aisin Chem Co Ltd | Radiator cooling system |
| JP2008038687A (en) * | 2006-08-03 | 2008-02-21 | Zenoah:Kk | Engine blower |
| CN102673793A (en) * | 2012-06-08 | 2012-09-19 | 中国航空工业集团公司西安飞机设计研究所 | Exhaust ejector system of airplane auxiliary power unit |
| CN104648674A (en) * | 2013-11-22 | 2015-05-27 | 中国航空工业集团公司西安飞机设计研究所 | Low-resistance fan-aided ejecting air feeding device |
| CN207934996U (en) * | 2018-03-07 | 2018-10-02 | 天津曙光天成科技有限公司 | A kind of engine heat dissipating device and unmanned plane |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109484656A (en) * | 2018-12-24 | 2019-03-19 | 沈阳旋飞航空技术有限公司 | A kind of engine heat insulation structural for the dynamic unmanned plane of oil |
| CN109484656B (en) * | 2018-12-24 | 2020-10-27 | 沈阳旋飞航空技术有限公司 | A engine heat insulation structure for oil move unmanned aerial vehicle |
| CN113211581A (en) * | 2021-05-13 | 2021-08-06 | 浙江木田工具股份有限公司 | Firewood chopping device |
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Effective date of registration: 20221012 Address after: Room 105, Building 9, Area B3 (formerly Area 2 of Ronghui Business Park), Enterprise Headquarters Base, Binhai-Zhongguancun Science and Technology Park, Economic and Technological Development Zone, Binhai New Area, Tianjin 300457 Applicant after: Tianjin Phoenix Intelligent Technology Co.,Ltd. Address before: Floor 1, block B, No.3, Tengfei Road, Junliang City, Dongli District, Tianjin Applicant before: TIANJIN SHUGUANG TIANCHENG TECHNOLOGY Co.,Ltd. |
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