CN203879605U - Air-cooling heat sink for engine - Google Patents
Air-cooling heat sink for engine Download PDFInfo
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- CN203879605U CN203879605U CN201420314278.1U CN201420314278U CN203879605U CN 203879605 U CN203879605 U CN 203879605U CN 201420314278 U CN201420314278 U CN 201420314278U CN 203879605 U CN203879605 U CN 203879605U
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- motor
- intake grill
- air cooling
- radiation device
- engine air
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- 238000001816 cooling Methods 0.000 title claims abstract description 44
- 230000007246 mechanism Effects 0.000 claims abstract description 38
- 230000005855 radiation Effects 0.000 claims description 32
- 230000001105 regulatory effect Effects 0.000 claims description 25
- 230000017525 heat dissipation Effects 0.000 abstract description 2
- 239000006185 dispersion Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000009194 climbing Effects 0.000 description 3
- 238000013021 overheating Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 235000014443 Pyrus communis Nutrition 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000010200 validation analysis Methods 0.000 description 1
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- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The utility model provides an air-cooling heat sink for an engine. The air-cooling heat sink comprises an air channel component (20) and an adjusting mechanism (30). The air channel component (20) is installed on an engine body (60) and comprises an air inlet (21) and an air outlet (22), and the air inlet (21) corresponds to an air inlet of a cowling (10) of the engine. The adjusting mechanism (30) is arranged on the air inlet (21), and the air channel component (20) adjusts the air open area on the air inlet (21) through the adjusting mechanism (30). According to the technical scheme, the problem that in the prior art, air-cooling heat dissipation performance of the engine is uncontrollable can be effectively solved.
Description
Technical field
The utility model relates to technical field of engines, in particular to a kind of engine air cooling and radiation device.
Background technique
At present, in electric inspection process field, to patrol and examine efficiency and reduce manpower labor intensity in order to improve, conventional power patrol unmanned machine replaces traditional manual inspection.Power patrol unmanned machine, because of the requirement of its handling characteristics and Environmental Conditions, is generally small-sized fixed-wing unmanned plane, power plant multiselect small-sized piston engine.Because need to carrying out routine under the environment of special area (plateau, low temp area), different temperatures (four seasons spring, summer, autumn and winter), power patrol unmanned machine patrols and examines operation, and the excursion of these operating ambient temperatures is larger, generally, between 60 DEG C of scopes of-40 DEG C～﹢, this has just proposed strict requirement to the power system of patrol unmanned machine.
When small-sized piston engine is normally worked, the center housing temperature of engine cylinder should remain between 150 DEG C～220 DEG C, and motor just can have been given play to best efficiency like this.Cylinder temperature is on the low side or higherly all can reduce engine output, thereby the too low meeting of cylinder temperature causes the insufficient motor car phenomenon of going out that causes of oil inflame; And thereby the too high meeting of cylinder temperature causes plug ring overheating deforming to cause the pull-cylinder phenomena of motor, which kind of phenomenon occurs all can produce fatal impact to the flight operation of unmanned plane.
At present, small-sized piston engine generally adopts air-cooled and Water Cooling Technology to carry out the cylinder temperature of control engine.Water Cooling Technology is by circulating water flow system is set around engine cylinder, the heat that the cylinder of motor is produced passes to circulating water flow, again by the heat of circulating water flow by the device radiation such as fan and radiating fin, so just played the object to engine cylinder cooling.Water Cooling Technology cooling-down effect is comparatively obvious and more stable, but to implement more complicated difficulty also larger.And because the structure weight of constituent self is more heavy, can have influence on the flight efficiency of power patrol unmanned machine.And air-cooled technology is directly to utilize air stream (flight of pusher-type unmanned plane is the propellerslip of incoming flow or drawing-in type unmanned plane windward) to flow through on engine cylinder surface, a small amount of engine cylinder temperature is taken away, thereby played the effect of engine cooling.How many and the flow velocity size of the flow of air stream, depends on the flying speed of unmanned plane and the air inlet of cowling designs completely.And patrol unmanned machine need to meet and patrols and examines job requirements, general flying speed be all changeless or change very little, once and cowling designed its heat dispersion and also just immobilized.So just limit the heat dissipation potential of motor, made patrol unmanned machine can not adapt to above-mentioned environmental change requirement, thereby restricted the use of patrol unmanned machine.
Model utility content
The utility model aims to provide a kind of engine air cooling and radiation device, to solve the uncontrollable problem of air cooling heat dispersion of motor in prior art.
To achieve these goals, the utility model provides a kind of engine air cooling and radiation device, comprising: ducting part, be arranged on the body of motor, and ducting part comprises intake grill and exhaust outlet, intake grill is corresponding to the wind inlet of the cowling of motor; Regulating mechanism, is arranged on intake grill place, and wherein, ducting part is adjusted the gas area of passage at intake grill place by regulating mechanism.
Further, regulating mechanism comprise barge board, motor and be connected to barge board and motor between driving mechanism, motor is arranged on the outside of ducting part, and motor drives barge board motion by driving mechanism, so that barge board is arranged on intake grill place movably.
Further, the arranged outside of intake grill has expansion mouth, the first opening shape of expansion mouth is identical with intake grill shape and be fixedly connected with intake grill, the area of the second opening of expansion mouth is greater than the area of the first opening, the second opening place plane parallel is in the first opening place plane, and, between the second opening and the first opening, be connected by streamlined junction surface.
Further, ducting part also comprises ducting part body, and ducting part body is rectangular shape, and the middle and upper part of the side of ducting part body is provided with intake grill, on the bottom surface of ducting part body, is provided with exhaust outlet.
Further, driving mechanism comprises fork, has the first guiding groove on barge board, and the first guiding groove is perpendicular to the moving direction of barge board, and the first end of fork is arranged on the output shaft of motor, and the second end of fork is flexibly connected with the first guiding groove.
Further, intake grill place is provided with the chute for the barge board edge that leads, and chute is two, is arranged on symmetrically the both sides of intake grill.
Further, the arranged outside of intake grill has guiding element, offers the second guiding groove matching with guiding element on barge board, and the second guiding groove is perpendicular to the first guiding groove.
Further, guiding element comprises montant and directional post, and montant is erected at intake grill place, and directional post is arranged on montant, and the second guiding groove matches with directional post.
Further, engine air cooling and radiation device also comprises support, support be arranged on motor body outside and be fixedly connected with the body of motor, support comprises two side plates of fitting with the body left and right sides of motor, ducting part is two, and two ducting parts are symmetricly set on the outside of side plate.
Further, the position corresponding to the spark plug of motor on side plate offers first hole suitable with the ignition cloud cap of motor, and on ducting part, the position corresponding with the first hole offers the second hole.
Application the technical solution of the utility model arranges ducting part on the body of motor, and the intake grill of this ducting part is corresponding to the wind inlet of cowling.Intake grill place is provided with regulating mechanism, and intake grill is adjusted the size of gas area of passage by regulating mechanism, and then the heat dispersion of control engine air cooling sink.When power patrol unmanned machine is in climbing regime of flight or during in the higher environment of summer temp, the gas area of passage that regulating mechanism is adjusted intake grill maximizes, at this moment just can strengthen the heat dispersion of engine air cooling and radiation device, thereby avoid the too high meeting of cylinder temperature to cause plug ring overheating deforming to cause the pull-cylinder phenomena of motor.When power patrol unmanned machine is in average flight state or in season in spring and autumn when euthermic environment, the gas area of passage of regulating mechanism adjustment intake grill is moderate, so just can ensure that the heat that heat that motor self distributes and Air Flow transmission take away is substantially suitable, just can keep temperature cylinder in suitable scope.And when power patrol unmanned machine is in falling the lower time of environment that high regime of flight or winter temperature are lower, regulating mechanism adjusts intake grill and cuts out completely, the heat that the heat that the cylinder body of motor self distributes is like this taken away higher than Air Flow transmission, can play heat insulation effect to motor.Like this, engine air cooling and radiation device of the present utility model just can remain in suitable temperature range the cylinder body of motor from the aspect of control engine heat dispersion, and then ensures that motor given play to best usefulness.
Brief description of the drawings
The Figure of description that forms the application's a part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 shows according to the embodiment's of engine air cooling and radiation device of the present utility model structural representation;
Fig. 2 shows the structural representation of the ducting part of the engine air cooling and radiation device of Fig. 1;
Fig. 3 shows the structural representation of the regulating mechanism of the engine air cooling and radiation device of Fig. 1;
Fig. 4 show Fig. 3 regulating mechanism open status architecture schematic diagram completely;
Fig. 5 shows the half-open position structural representation of the regulating mechanism of Fig. 3;
Fig. 6 shows the complete off status structural representation of the regulating mechanism of Fig. 3;
Fig. 7 shows the schematic top plan view of the engine air cooling and radiation device of Fig. 1;
Fig. 8 shows the schematic side view of the engine air cooling and radiation device of Fig. 1; And
Fig. 9 shows the ducting part structural representation of the engine air cooling and radiation device of Fig. 8.
Above-mentioned accompanying drawing comprises the following drawings mark:
10, cowling; 20, ducting part; 21, intake grill; 22, exhaust outlet; 23, the second hole; 30, regulating mechanism; 31, barge board; 32, motor; 33, fork; 34, the first guiding groove; 35, chute; 36, the second guiding groove; 37, montant; 38, directional post; 40, expansion mouth; 50, support; 51, side plate; 60, the body of motor; 61, ignition cloud cap.
Embodiment
It should be noted that, in the situation that not conflicting, the feature in embodiment and embodiment in the application can combine mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the utility model in detail.
As depicted in figs. 1 and 2, the engine air cooling and radiation device of the present embodiment comprises: ducting part 20 and regulating mechanism 30.Ducting part 20 is arranged on the body 60 of motor, and ducting part 20 comprises intake grill 21 and exhaust outlet 22, and intake grill 21 is corresponding to the wind inlet of the cowling 10 of motor.Regulating mechanism 30 is arranged on intake grill 21 places.Wherein, ducting part 20 is adjusted the gas area of passage at intake grill 21 places by regulating mechanism 30.
The technological scheme of application the present embodiment arranges ducting part 20 on the body 60 of motor, and the intake grill 21 of this ducting part 20 is corresponding to the wind inlet of cowling 10.Intake grill 21 places are also provided with regulating mechanism 30, and intake grill 21 is adjusted the size of gas area of passage by regulating mechanism 30, and then the heat dispersion of control engine air cooling sink.When power patrol unmanned machine is in climbing regime of flight or during in the higher environment of summer temp, the gas area of passage that regulating mechanism 30 is adjusted intake grill 21 maximizes, at this moment just can strengthen the heat dispersion of engine air cooling and radiation device, thereby avoid the too high meeting of cylinder temperature to cause plug ring overheating deforming to cause the pull-cylinder phenomena of motor.When power patrol unmanned machine is in average flight state or in season in spring and autumn when euthermic environment, it is moderate that regulating mechanism 30 is adjusted the gas area of passage of intake grill 21, so just can ensure that the heat that heat that motor self distributes and Air Flow transmission take away is substantially suitable, just can keep temperature cylinder in suitable scope.And when power patrol unmanned machine is in falling the lower time of environment that high regime of flight or winter temperature are lower, regulating mechanism 30 adjusts intake grill 21 and cuts out completely, the heat that the heat that the cylinder body of motor self distributes is like this taken away higher than Air Flow transmission, can play heat insulation effect to motor.Like this, the engine air cooling and radiation device of the present embodiment just can remain in suitable temperature range the cylinder body of motor from the aspect of control engine heat dispersion, and then ensures that motor given play to best usefulness.
As shown in Figures 4 to 6, regulating mechanism 30 comprise barge board 31, motor 32 and be connected to barge board 31 and motor 32 between driving mechanism, motor 32 is arranged on the outside of ducting part 20, motor 32 drives barge board 31 to move by driving mechanism, so that barge board 31 is arranged on intake grill 21 places movably.Like this, just can drive barge board 31 to move by motor 32 and driving mechanism easily, and then control the size of intake grill 21 gas area of passages.
As shown in Figure 3, in the present embodiment, driving mechanism comprises fork 33, on barge board 31, have the first guiding groove 34, the first guiding groove 34 is perpendicular to the moving direction of barge board 31, the first end of fork 33 is arranged on the output shaft of motor 32, and the second end of fork 33 is flexibly connected with the first guiding groove 34.Intake grill 21 places are provided with the chute 35 for barge board 31 edges that lead, and chute 35 is two, are arranged on symmetrically the both sides of intake grill 21.In order further to increase the stability that barge board 31 moves, the arranged outside of intake grill 21 has guiding element, offers the second guiding groove 36, the second guiding grooves 36 that match with guiding element perpendicular to the first guiding groove 34 on barge board 31.Preferably, guiding element comprises montant 37 and directional post 38, and montant 37 is erected at intake grill 21 places, and directional post 38 is arranged on montant 37, and the second guiding groove 36 matches with directional post 38.
As shown in Figure 7, in order to strengthen engine air cooling and radiation device integral heat sink performance, the arranged outside of intake grill 21 has expansion mouth 40, the first opening shape of expansion mouth 40 is identical with intake grill 21 shapes and be fixedly connected with intake grill 21, the area of the second opening of expansion mouth 40 is greater than the area of the first opening, the second opening place plane parallel is in the first opening place plane, and, between the second opening and the first opening, be connected by streamlined junction surface.Like this, just can increase the gas flow that enters intake grill 21, and the setting of streamlined junction surface also makes the wind effect of expansion mouth 40 better.
As shown in Figure 8, in the present embodiment, ducting part 20 also comprises that ducting part body is rectangular shape, and the middle and upper part of the side of ducting part body is provided with intake grill 21, is provided with exhaust outlet 22 on the bottom surface of ducting part body.The position of intake grill 21 is corresponding with the top of the body of motor 60, and the position of exhaust outlet 22 is corresponding with the bottom of the body of motor 60.When air stream is from intake grill 21 enters ducting part 20, can the direction from the upper surface of cylinder to lower surface and the direction from cylinder front surface to rear surface to carry out comprehensive air cooling, the air stream of low temperature is in the time of the heat-delivery surface of cylinder, air takes away by heat-conduction effect the heat that cylinder produces, and last heated air is discharged from the exhaust outlet 22 of ducting part 20 bottom surfaces.
As shown in Figure 7 and Figure 8, in the present embodiment, engine air cooling and radiation device also comprises support 50, support 50 be arranged on motor body 60 outside and be fixedly connected with the body 60 of motor, support 50 comprises two side plates 51 of fitting with body 60 left and right sides of motor, ducting part 20 is two, and two ducting parts 20 are symmetricly set on the outside of side plate 51.Like this, can from two of a motor side, control the heat dispersion of motor, motor can be remained in suitable temperature model essay, ensure the best efficiency of motor.
As shown in Figure 9, in order to make the engine air cooling and radiation device structure of the present embodiment compacter, position corresponding to the spark plug of motor on side plate 51 offers first hole suitable with the ignition cloud cap 61 of motor, and on ducting part 20, the position corresponding with the first hole offers the second hole 23.Preferably, the second hole 23 is Pear Shaped hole.Like this can be at the compact structure that ensures to keep under the prerequisite not having greatly changed in original power patrol unmanned machine structure unmanned plane.
Embodiment of the present utility model has passed through actual flight validation, in the time that summer, operating ambient temperature was at 40 DEG C, unmanned plane, under the regime of flight of climbing, adopts the working state of intake grill 21 standard-sized sheets shown in Fig. 4, and the cylinder temperature of motor can be controlled at 220 DEG C of left and right; Winter, operating ambient temperature was in the time of-20 DEG C, and unmanned plane is falling under high flying condition, adopted the working state of intake grill 21 complete shut-downs shown in Fig. 6, and the cylinder temperature of motor can be controlled at 150 DEG C of left and right.Experimental result surface, the engine air cooling and radiation device of the present embodiment by the control to engine radiating performance, makes the temperature of motor remain in suitable scope effectively, ensures that motor given play to best usefulness.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. an engine air cooling and radiation device, is characterized in that, comprising:
Ducting part (20), be arranged on the body (60) of motor, described ducting part (20) comprises intake grill (21) and exhaust outlet (22), and described intake grill (21) is corresponding to the wind inlet of the cowling (10) of described motor;
Regulating mechanism (30), is arranged on described intake grill (21) and locates,
Wherein, described ducting part (20) adjusts by described regulating mechanism (30) the gas area of passage that described intake grill (21) is located.
2. engine air cooling and radiation device according to claim 1, it is characterized in that, described regulating mechanism (30) comprise barge board (31), motor (32) and be connected to described barge board (31) and described motor (32) between driving mechanism, described motor (32) is arranged on the outside of described ducting part (20), described motor (32) drives described barge board (31) motion by described driving mechanism, locates so that described barge board (31) is arranged on described intake grill (21) movably.
3. engine air cooling and radiation device according to claim 2, it is characterized in that, the arranged outside of described intake grill (21) has expansion mouth (40), the first opening shape of described expansion mouth (40) is identical with described intake grill (21) shape and be fixedly connected with described intake grill (21), the area of the second opening of described expansion mouth (40) is greater than the area of described the first opening, described the second opening place plane parallel is in described the first opening place plane, and, between described the second opening and described the first opening, be connected by streamlined junction surface.
4. engine air cooling and radiation device according to claim 2, it is characterized in that, described ducting part (20) also comprises ducting part body, described ducting part body is rectangular shape, the middle and upper part of the side of described ducting part body is provided with described intake grill (21), is provided with described exhaust outlet (22) on the bottom surface of described ducting part body.
5. engine air cooling and radiation device according to claim 2, it is characterized in that, described driving mechanism comprises fork (33), on described barge board (31), have the first guiding groove (34), described the first guiding groove (34) is perpendicular to the moving direction of described barge board (31), the first end of described fork (33) is arranged on the output shaft of described motor (32), and the second end of described fork (33) is flexibly connected with described the first guiding groove (34).
6. engine air cooling and radiation device according to claim 2, it is characterized in that, described intake grill (21) locates to be provided with the chute (35) for described barge board (31) edge that leads, described chute (35) is two, is arranged on symmetrically the both sides of described intake grill (21).
7. engine air cooling and radiation device according to claim 5, it is characterized in that, the arranged outside of described intake grill (21) has guiding element, on described barge board (31), offer the second guiding groove (36) matching with described guiding element, described the second guiding groove (36) is perpendicular to described the first guiding groove (34).
8. engine air cooling and radiation device according to claim 7, it is characterized in that, described guiding element comprises montant (37) and directional post (38), described montant (37) is erected at described intake grill (21) and locates, it is upper that described directional post (38) is arranged on described montant (37), and described the second guiding groove (36) matches with described directional post (38).
9. according to the engine air cooling and radiation device described in any one in claim 1 to 8, it is characterized in that, described engine air cooling and radiation device also comprises support (50), described support (50) be arranged on described motor body (60) outside and be fixedly connected with the body (60) of described motor, described support (50) comprises two side plates (51) of fitting with body (60) left and right sides of described motor, described ducting part (20) is two, two described ducting parts (20) are symmetricly set on the outside of described side plate (51).
10. engine air cooling and radiation device according to claim 9, it is characterized in that, the position of the upper spark plug corresponding to described motor of described side plate (51) offers first hole suitable with the ignition cloud cap (61) of described motor, and the upper position corresponding with described the first hole of described ducting part (20) offers the second hole (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420314278.1U CN203879605U (en) | 2014-06-12 | 2014-06-12 | Air-cooling heat sink for engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420314278.1U CN203879605U (en) | 2014-06-12 | 2014-06-12 | Air-cooling heat sink for engine |
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| Publication Number | Publication Date |
|---|---|
| CN203879605U true CN203879605U (en) | 2014-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420314278.1U Expired - Fee Related CN203879605U (en) | 2014-06-12 | 2014-06-12 | Air-cooling heat sink for engine |
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| Country | Link |
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| CN (1) | CN203879605U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113250802A (en) * | 2021-07-15 | 2021-08-13 | 四川迅联达智能科技有限公司 | Flow control heat dissipation assembly, intelligent temperature management system, heat dissipation method of intelligent temperature management system and engine |
| CN113464262A (en) * | 2021-06-30 | 2021-10-01 | 航天时代飞鸿技术有限公司 | Temperature control device and control method of aviation piston engine for unmanned aerial vehicle |
| CN113482767A (en) * | 2021-05-26 | 2021-10-08 | 珠海天晴航空航天科技有限公司 | Unmanned aerial vehicle and engine control method thereof |
-
2014
- 2014-06-12 CN CN201420314278.1U patent/CN203879605U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113482767A (en) * | 2021-05-26 | 2021-10-08 | 珠海天晴航空航天科技有限公司 | Unmanned aerial vehicle and engine control method thereof |
| CN113482767B (en) * | 2021-05-26 | 2022-08-09 | 珠海天晴航空航天科技有限公司 | Unmanned aerial vehicle and engine control method thereof |
| CN113464262A (en) * | 2021-06-30 | 2021-10-01 | 航天时代飞鸿技术有限公司 | Temperature control device and control method of aviation piston engine for unmanned aerial vehicle |
| CN113250802A (en) * | 2021-07-15 | 2021-08-13 | 四川迅联达智能科技有限公司 | Flow control heat dissipation assembly, intelligent temperature management system, heat dissipation method of intelligent temperature management system and engine |
| CN113250802B (en) * | 2021-07-15 | 2021-09-21 | 四川迅联达智能科技有限公司 | Flow control heat dissipation assembly, intelligent temperature management system, heat dissipation method of intelligent temperature management system and engine |
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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: 20141015 Termination date: 20180612 |
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| CF01 | Termination of patent right due to non-payment of annual fee |