CN114063370A - Quick heat radiation structure and projecting apparatus of projecting apparatus - Google Patents
Quick heat radiation structure and projecting apparatus of projecting apparatus Download PDFInfo
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- CN114063370A CN114063370A CN202110847022.1A CN202110847022A CN114063370A CN 114063370 A CN114063370 A CN 114063370A CN 202110847022 A CN202110847022 A CN 202110847022A CN 114063370 A CN114063370 A CN 114063370A
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- 230000005855 radiation Effects 0.000 title claims description 4
- 238000001816 cooling Methods 0.000 claims abstract description 142
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 101
- 239000007788 liquid Substances 0.000 claims abstract description 93
- 230000017525 heat dissipation Effects 0.000 claims abstract description 47
- 238000009423 ventilation Methods 0.000 claims description 17
- 210000003205 muscle Anatomy 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 6
- 230000006978 adaptation Effects 0.000 claims description 3
- 239000000110 cooling liquid Substances 0.000 abstract description 22
- 239000002826 coolant Substances 0.000 abstract description 16
- 238000010521 absorption reaction Methods 0.000 abstract description 8
- 239000000498 cooling water Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 8
- 238000007789 sealing Methods 0.000 description 8
- 229910000838 Al alloy Inorganic materials 0.000 description 4
- 230000005288 electromagnetic effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000000956 alloy Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/145—Housing details, e.g. position adjustments thereof
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/16—Cooling; Preventing overheating
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Projection Apparatus (AREA)
Abstract
The invention discloses a quick heat dissipation structure of a projector and the projector, wherein a second cover plate is fixedly arranged on a projector box body, a light emitting part is fixedly arranged in the projector box body, a sleeve is fixedly sleeved outside the light emitting part, a water cooling mechanism and a cooled air cooling mechanism are arranged outside the sleeve and used for cooling the light emitting part through liquid, the air cooling mechanism realizes radial air suction through rotation, one end, far away from the side face of the projector box body, of the water cooling mechanism is fixedly connected with a connecting rod, and one end, far away from the light emitting part, of the connecting rod is fixedly connected with an alternating mechanism. The cooling liquid in the water cooling mechanism is the spiral and holds and carry out abundant cooling to the illuminating part, and the air-cooled structure radially induced drafts through rotating and cools off the surface of water cooling mechanism simultaneously, and the air-cooled adds water-cooled mode and realizes carrying out the rapid cooling heat dissipation cooling to the illuminating part, avoids illuminating part calorific capacity too big influence projecting apparatus work, and cooling mechanism further improves the radiating rate of illuminating part with coolant liquid circulation flow heat absorption and heat dissipation.
Description
Technical Field
The invention relates to the technical field of rapid heat dissipation projectors, in particular to a rapid heat dissipation structure of a projector and the projector.
Background
With the rapid development of scientific technology, the application of electronic instruments is more and more extensive, in our daily teaching, a projector is a commonly used instrument, and is a device which projects or reflects images or videos onto a screen through a digital light processing technology or an LCD liquid crystal imaging technology, corresponding images and video signals can be accessed through different signal sources, such as computers, mobile phones, DVDs and DVDs, so that playing is realized, the projector is widely applied to places of education, business, engineering, household and the like, and as the projector needs to use a light source to project the images onto a curtain, and the heating power of the light source is larger, the heat brought to the projector is extremely large. At present, a plurality of fins are fixedly arranged on a projection working module of the projector in a heat dissipation mechanism adopted in most projectors on the market, and a fan is arranged at one end of each fin and used for driving air to flow so as to reduce the temperature of the surfaces of the plurality of fins.
The existing heat dissipation method is to transfer the heat of the light source to the heat dissipation fins through the heat conduction pipes and then dissipate the heat of the heat dissipation fins through the air draft of the fan, but along with the lengthening of the service time and the increase of the ambient temperature, particularly in summer, the ambient temperature is higher, the heat dissipation effect of the fan carried by the projector is very poor, and the heat protection system in the projector automatically closes the projector.
Chinese patent publication No. CN112397976A discloses a laser with a rapid heat dissipation function, which comprises a shell, wherein a heat dissipation mechanism is fixedly connected inside the shell, the heat dissipation mechanism comprises a heat conduction cylinder, one end of the heat conduction cylinder is fixedly connected with the inner side wall of one end of the shell, a laser generator is fixedly sleeved on the inner side wall of the heat conduction cylinder, a discharge groove is formed in the position of the outer side wall of the other end of the shell corresponding to a stress generator, the laser generator is characterized in that the annular outer side wall of one end of the heat conduction cylinder is fixedly connected with a fixing ring II, the annular outer side wall of the other end of the heat conduction cylinder is fixedly connected with a fixing ring I, the annular outer side wall of one end of the heat conduction cylinder is fixedly connected with a sealing ring II, the annular outer side wall of the other end of the heat conduction cylinder is fixedly connected with a sealing ring I on one side of the fixing ring I, and the annular outer side walls of the sealing ring I and the sealing ring II are slidably sleeved with a moving sleeve, the annular inner side wall of one end of the moving sleeve is fixedly connected with three fixed blocks at equal angles in an annular mode, the other end of the moving sleeve is fixedly connected with a first toothed ring, one side wall, close to a second fixed ring, of the first fixed ring is fixedly connected with a sleeving ring, the first fixed ring is used for supporting and limiting the second toothed ring, the annular outer side wall of the sleeving ring is rotatably sleeved with a second toothed ring, the first toothed ring is meshed with the second toothed ring, the second toothed ring rotates to extrude the first toothed ring to enable the moving sleeve to move towards the second fixed ring, when the second toothed ring rotates to be separated from the first toothed ring, the rebounding module enables the moving sleeve to reversely move, the first toothed ring is meshed with the second toothed ring again, continuous rotation of the second toothed ring drives the moving sleeve to continuously reciprocate, so that a guide plate in the moving sleeve stirs cooling liquid to accelerate the flow of the cooling liquid, the temperature distribution is uniform, and when the three fixed blocks are fixedly connected with the second fixed ring, the annular inside wall that the removal cover is located between sealing ring one and the sealing ring two has linked firmly a plurality of water conservancy diversion modules, the water conservancy diversion module includes the dwang, the lateral wall of dwang rotates and is connected with the guide plate, the dwang links firmly with the removal inner wall, one side that the dwang is close to solid fixed ring two is provided with the shelves pole, and the shelves pole links firmly with the removal inner wall, form an annular chamber between sealing ring one, sealing ring two, the removal cover and the heat-conducting tube, and be equipped with the coolant liquid in the annular chamber, one side that the inner wall of shell is located heat dissipation mechanism has linked firmly the circulation mechanism that supplies water and drive ring gear two to heat dissipation mechanism, leads out the annular chamber with overheated coolant liquid and cools off.
The following problems may be encountered during the operation of the existing projector:
the existing heat dissipation method is to transfer the heat of the light source to the heat dissipation fins through the heat conduction pipes and then dissipate the heat of the heat dissipation fins through the air draft of the fan, but along with the lengthening of the service time and the increase of the ambient temperature, particularly in summer, the ambient temperature is higher, the heat dissipation effect of the fan carried by the projector is very poor, and the heat protection system in the projector automatically closes the projector.
Disclosure of Invention
The invention aims to provide a rapid heat dissipation structure of a projector and the projector, and aims to solve the problem that in the prior art, the heat dissipation method transfers the heat of a light source to a heat dissipation fin through a heat conduction pipe, and then the heat dissipation fin is subjected to heat dissipation through fan air draft, but along with the increase of service time and the increase of environmental temperature, particularly in summer, the environmental temperature is higher, the heat dissipation effect of a fan carried by the projector is very poor, and the projector is automatically closed by a heat protection system in the projector.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a quick heat radiation structure and projecting apparatus of projecting apparatus, including projecting apparatus box, No. two apron, illuminating part and shell, fixed mounting has No. two apron on the projecting apparatus box, fixed mounting has the illuminating part in the projecting apparatus box, the fixed cover in the illuminating part outside has connect the sleeve pipe, the sheathed tube outside is provided with carries out refrigerated water cooling mechanism to the illuminating part through liquid, water cooling mechanism is spiral fixed mounting in the sleeve pipe outside, water cooling mechanism's outside swing joint has carries out refrigerated air-cooled mechanism to the illuminating part surface, air-cooled mechanism realizes radially induced drafting through rotating, the one end fixedly connected with connecting rod of projecting apparatus box side is kept away from to water cooling mechanism, the one end fixedly connected with cooling mechanism who keeps away from the illuminating part on the connecting rod.
The during operation specifically, cooling liquid among the water-cooling mechanism is the spiral and holds and carry out the intensive cooling to the illuminating part, cooling liquid passes through the area of contact of spiral mode increase and illuminating part, the air-cooled structure is radially induced drafted through the rotation and is cooled off the surface of water-cooling mechanism simultaneously, the air-cooled adds water-cooled mode and realizes carrying out the cooling that dispels the heat fast fully to the illuminating part, avoid the illuminating part to give out heat too big influence projecting apparatus normal work, cooling mechanism further absorbs heat and dispels the heat with coolant liquid circulation flow, further improve the radiating rate of illuminating part.
As a further scheme of the invention, the water cooling mechanism comprises a first radiating pipe and a liquid chamber; fixedly connected with spiral muscle on the sheathed tube side, sleeve pipe outside fixed mounting has a cooling tube, has seted up the radiating groove with spiral muscle looks adaptation in the cooling tube, and sleeve pipe and a cooling tube cooperate through spiral muscle and radiating groove to be connected, and fixedly connected with spiral shape backup pad in the radiating groove separates into evenly distributed's liquid chamber with the radiating groove.
During specific work, cooling water is filled in the liquid chamber, heat emitted by the light emitting part is transmitted to the sleeve, the sleeve transmits the heat to the spiral rib, the contact area of the spiral rib and the heat dissipation groove is larger, the cooling water is higher in heat absorption efficiency, the liquid chamber is supported by the supporting plate, the strength of the liquid chamber is effectively enhanced, and the problem of surface collapse of the liquid chamber is avoided.
As a further scheme of the invention, the air cooling structure comprises an air combing pipe, arc-shaped blades and a ventilation groove; the inboard fixedly connected with bearing of shell, swing joint has the comb tuber pipe on the bearing, the fixed coil that is provided with on the comb tuber pipe side, the even fixedly connected with magnet of inboard of shell, comb tuber pipe and ventilation groove group constitute the ventilation groove, the ventilation groove is the annular, the one end setting in ventilation groove is on the side of projecting apparatus box, the air vent has evenly been seted up on the comb tuber pipe, the inboard fixedly connected with arc blade of comb tuber pipe, arc blade is provided with four and fixed connection on the inside wall of comb tuber pipe.
During specific work, the coil switch on power circular telegram, magnet passes through electromagnetic effect and drives the quick rotation of comb tuber pipe, the arc blade that comb tuber pipe drove fixed connection rotates, evenly distributed's arc blade rotates and produces radial suction and inhales cold wind from the side of projecting apparatus box, the surface that cold wind input a cooling tube through the air vent that evenly sets up on the comb tuber pipe is bloied abundant cooling to a cooling tube, cold wind is outside the projecting apparatus box from comb tuber pipe transmission, further carry out the forced air cooling to the illuminating part in water-cooling, realize quick cooling's effect.
As a further scheme of the invention, the cooling mechanism comprises a No. two radiating pipe; no. one cooling tube and connecting rod fixed connection, the connecting rod keep away from one of cooling tube serve No. two cooling tubes of fixedly connected with, the connecting rod has seted up the through-hole along its length direction is inside, No. two cooling tube inboards are provided with radiating groove and liquid chamber, the liquid chamber of a cooling tube and the liquid chamber of No. two cooling tubes pass through the through-hole intercommunication in the connecting rod, No. two one end fixedly connected with water pipe that the connecting rod was kept away from to the cooling tube, the liquid chamber intercommunication of water pipe and No. two cooling tubes, the one end that No. two cooling tubes were kept away from to a water pipe is connected with the water pump, the intercommunication has No. two water pipes on the water pump, the one end intercommunication that the water pump was kept away from to No. two water pipes has the liquid reserve tank, the intercommunication has No. three water pipes on the liquid reserve tank, No. three water pipes keep away from the one end of water pump and the liquid chamber intercommunication in the cooling tube.
During concrete work, the water pump fills liquid into the liquid chamber of No. two cooling tubes through a water pipe, the coolant liquid is the indoor flow of spiral liquid in No. two cooling tubes, coolant liquid flow stroke is big, fully carry out the heat of coolant liquid and arrange the scattered at the flow in-process, the coolant liquid that is fully cooled in No. two cooling tube liquid chambers is through the through-hole in the connecting rod flow in the liquid chamber in the cooling tube to the inboard illuminating part of a cooling tube and carry out the heat absorption cooling, coolant liquid in a cooling tube absorbs and carries the heat and flows in the liquid reserve tank through No. three water pipes, the water pump pumps liquid from the liquid reserve tank through No. two water pipes, thereby coolant liquid circulation flow, further improve the radiating rate of illuminating part.
In a further aspect of the present invention, the servo motor is fixedly connected to a signal line, one end of the signal line is fixedly connected to a temperature sensor, and the temperature sensor is fixedly connected to one end of the light emitting portion.
During specific work, when the servo motor senses that the temperature in the light-emitting part is not reduced any more and continues to the value of the rising setting, a transmission signal is sent to the servo motor, and the servo motor is started to rotate positively and negatively, so that the first radiating pipe and the second radiating pipe move in a reciprocating manner.
As a further scheme of the invention, the connecting rods are arranged in the air combing pipe and are arranged behind the arc-shaped blades.
During specific work, induced draft when the comb tuber pipe is rotatory, cold wind spreads the surface of a cooling tube and No. two cooling tubes from the ventilation hole on, further air-cooled cooling when leaving the sleeve pipe natural cooling after cooling tube and No. two cooling tubes.
As a further scheme of the invention, one end of each of the first radiating pipe and the second radiating pipe is provided with a water inlet, and the water inlets are movably hinged with cover plates.
The specific during operation opens the apron, can open the water inlet and change the cooling water, changes the water that the temperature is high to the low cooling water of input temperature fast.
As a further scheme of the invention, the sleeve, the spiral ribs, the first radiating pipe, the radiating grooves and the second radiating pipe are made of aluminum alloy.
During specific work, the heat conduction efficiency of the sleeve, the spiral ribs, the first radiating pipe, the radiating groove and the second radiating pipe made of aluminum alloy materials is high, and the heat dissipation efficiency can be effectively increased.
The working principle is as follows: the cooling water is filled in the liquid chamber, the heat emitted by the light-emitting part is transmitted to the sleeve, the sleeve transmits the heat to the spiral rib, the contact area between the spiral rib matched with the spiral rib and the radiating groove is larger, the absorption efficiency of the cooling water to the heat is higher, the supporting plate supports the liquid chamber, the strength of the liquid chamber is effectively enhanced, the coil is powered on, the magnet drives the air combing pipe to rotate rapidly through the electromagnetic effect, the air combing pipe drives the fixedly connected arc-shaped blades to rotate, the uniformly distributed arc-shaped blades rotate to generate radial suction to suck cold air from the side surface of the projector box body, the cold air is input to the outer surface of the first radiating pipe through the air holes uniformly arranged on the air combing pipe to blow air to sufficiently cool the first radiating pipe, the cold air is transmitted to the outside of the projector box body from the air combing pipe, the light-emitting part is further cooled by air while being cooled, and the liquid is filled into the second radiating pipe through the first water-through pipe by the water pump, the coolant liquid is the indoor flow of spiral liquid in No. two cooling tubes, coolant liquid flow stroke is big, fully carry out the heat of coolant liquid and arrange the heat dissipation at the flow in-process, the through-hole that is flowed into in the liquid chamber in No. two cooling tubes through the through-hole in the connecting rod by fully refrigerated coolant liquid in the cooling tube liquid chamber carries out the heat absorption cooling to the inboard illuminating part of cooling tube, coolant liquid absorption in No. one cooling tube carries the heat and flows into the liquid reserve tank through No. three water service pipes in, the water pump pumps liquid from the liquid reserve tank through No. two water service pipes, thereby coolant liquid circulation flow, further improve the radiating rate of illuminating part.
According to the rapid heat dissipation structure of the projector and the projector, the cooling liquid in the water cooling mechanism is spirally contained to fully cool the light emitting part, the contact area between the cooling liquid and the light emitting part is increased in a spiral mode, meanwhile, the air cooling structure performs radial air suction through rotation to cool the outer surface of the water cooling mechanism, the air cooling and water cooling modes achieve rapid and full heat dissipation and cooling of the light emitting part, the situation that the normal work of the projector is affected due to overlarge heat productivity of the light emitting part is avoided, the cooling mechanism circularly flows the cooling liquid to absorb and dissipate heat, and the heat dissipation rate of the light emitting part is further improved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic diagram of a three-dimensional overall structure of the present invention;
FIG. 2 is a schematic view of a three-dimensional overall structure of the present invention with the cover plate removed;
FIG. 3 is a schematic view of the overall structure of the projector case of the present invention removed;
FIG. 4 is a schematic view of the air cooling structure and water cooling mechanism of the present invention;
FIG. 5 is a schematic cross-sectional view of the air-cooling structure and water-cooling mechanism of the present invention;
FIG. 6 is a schematic view of the first and second heat pipes;
FIG. 7 is a schematic view of the structure of the combing pipe and the arc-shaped blades of the invention;
FIG. 8 is a schematic view of the spiral rib and sleeve configuration of the present invention;
FIG. 9 is a schematic view of a first embodiment of the present invention;
FIG. 10 is a schematic cross-sectional view of a first heat pipe and a first heat sink of the present invention;
fig. 11 is a schematic view of the overall side structure of the present invention.
In the figure: 1. a projector case; 2. a second cover plate; 3. a housing; 4. an air-cooled structure; 401. a wind combing pipe; 402. an arc-shaped blade; 403. a ventilation slot; 5. a water cooling mechanism; 501. a first radiating pipe; 502. a water inlet; 503. a heat sink; 504. a liquid chamber; 505. a support plate; 506. a cover plate; 6. a magnet; 7. a coil; 8. a bearing; 10. a water pump; 11. a first water pipe; 12. a light emitting section; 14. a cooling mechanism; 1401. a second radiating pipe; 1402. a connecting rod; 15. a spiral rib; 16. a sleeve; 17. a liquid storage tank; 18. a second water pipe; 19. and a third water pipe.
Detailed Description
As shown in fig. 1, 2, 3, 6 and 11, a rapid heat dissipation structure of a projector and a projector comprise a projector case 1, a second cover plate 2, a light emitting part 12 and a housing 3; fixed mounting has apron 2 No. two on the projector box 1, fixed mounting has illuminating part 12 in the projector box 1, the fixed cover in illuminating part 12 outside has connect sleeve pipe 16, the outside of sleeve pipe 16 is provided with carries out refrigerated water cooling mechanism 5 to illuminating part 12 through liquid, water cooling mechanism 5 is spiral fixed mounting in the sleeve pipe 16 outside, water cooling mechanism 5's outside swing joint has carries out refrigerated air cooling mechanism 4 to illuminating part 12 surface, air cooling mechanism 4 realizes radially induced drafting through rotating, the one end fixedly connected with connecting rod 1402 of illuminating part 12 is kept away from to water cooling mechanism 5, the one end fixedly connected with cooling mechanism 14 of water cooling mechanism 5 is kept away from on connecting rod 1402.
During specific work, the cooling liquid in the water cooling mechanism 5 is the spiral and holds and carry out the intensive cooling to the illuminating part 12, and the cooling liquid passes through the area of contact of spiral mode increase and illuminating part 12, and the forced air cooling structure 4 cools off the surface of water cooling mechanism 5 through radially induced drafting through rotating simultaneously, and the cooling that looses heat fast fully is realized to the illuminating part 12 to the mode of forced air cooling with water cooling, avoids illuminating part 12 to give out heat too big influence projecting apparatus normal work.
As shown in fig. 1, 2, 3, 4, 5, 8, 9 and 10, the water cooling mechanism 5 includes a first radiating pipe 501 and a liquid chamber 504; fixedly connected with spiral muscle 15 on the side of sleeve pipe 16, sleeve pipe 16 outside fixed mounting has a cooling tube 501, has seted up the radiating groove 503 with spiral muscle 15 looks adaptation in a cooling tube 501, and sleeve pipe 16 and a cooling tube 501 are connected through spiral muscle 15 and radiating groove 503 cooperation, and fixedly connected with spiral shape backup pad 505 in the radiating groove 503, backup pad 505 separates into evenly distributed's liquid chamber 504 with radiating groove 503.
During specific work, cooling water is filled in the liquid chamber 504, heat emitted by the light emitting part 12 is transmitted to the sleeve 16, the sleeve 16 transmits the heat to the spiral rib 15, the contact area between the spiral rib 15 and the heat dissipation groove 503 in spiral fit is larger, the cooling water absorption efficiency to the heat is higher, the supporting plate 505 supports the liquid chamber 504, the strength of the liquid chamber 504 is effectively enhanced, and the problem of surface collapse of the liquid chamber 504 is avoided.
As shown in fig. 3, 5, 6, 7, 8 and 10, the air cooling structure 4 comprises a combing air pipe 401, arc-shaped blades 402 and ventilation slots 403; the inboard fixedly connected with bearing 8 of shell 3, swing joint has comb tuber pipe 401 on the bearing 8, the fixed coil 7 that is provided with on the side of comb tuber pipe 401, the even fixedly connected with magnet 6 in inboard of shell 3, ventilation groove 403 is constituteed to comb tuber pipe 401 and ventilation groove 403, ventilation groove 403 is the annular, the one end setting of ventilation groove 403 is on the side of projecting apparatus box 1, the air vent has evenly been seted up on comb tuber pipe 401, the inboard fixedly connected with arc blade 402 of comb tuber pipe 401, arc blade 402 is the arc and sets up four, arc blade 402 is provided with four and fixed connection on the inside wall of comb tuber pipe 401.
During specific work, 7 switch on power of coil is circular telegrams, magnet 6 drives the quick rotation of comb tuber pipe 401 through electromagnetic effect, comb tuber pipe 401 drives fixed connection's arc blade 402 and rotates, evenly distributed's arc blade 402 rotates and produces radial suction and inhales cold wind from the side of projecting apparatus box 1, cold wind blows the abundant cooling of blowing to a cooling tube 501 through the surface that evenly sets up air vent input a cooling tube 501 on comb tuber pipe 401, cold wind transmits outside projecting apparatus box 1 from comb tuber pipe 401, further carry out the forced air cooling to illuminating part 12 in the water-cooling, realize rapid cooling's effect.
As shown in fig. 4, 5, 6, 7, 8 and 10, the cooling mechanism 14 includes a No. two heat dissipation pipe 1401; first cooling tube 501 and connecting rod 1402 are fixedly connected, one end of connecting rod 1402, which is far away from first cooling tube 501, is fixedly connected with second cooling tube 1401, connecting rod 1402 is provided with a through hole along the inside of the length direction thereof, heat dissipation groove 503 and liquid chamber 504 are arranged on the inner side of second cooling tube 1401, liquid chamber 504 of first cooling tube 501 and liquid chamber 504 of second cooling tube 1401 are communicated through the through hole in connecting rod 1402, one end of second cooling tube 1401, which is far away from connecting rod 1402, is fixedly connected with first water through pipe 11, water through pipe 11 of first 1401 is communicated with liquid chamber 504 of second cooling tube, one end of first water through pipe 11, which is far away from second cooling tube, is connected with water pump 10, water through pipe 10 is communicated with second water through pipe 18, one end of second water through pipe 18, which is far away from water pump 10, is communicated with liquid storage tank 17, water through pipe 19 of third water through pipe 17, one end of third water through pipe 19, which is far away from water pump 10, is communicated with liquid chamber 504 in first cooling tube 501.
During specific operation, the water pump 10 fills liquid into the liquid chamber 504 of the second radiating pipe 1401 through the first water through pipe 11, the cooling liquid flows in the spiral liquid chamber 504 of the second radiating pipe 1401, the flow stroke of the cooling liquid is large, the heat of the cooling liquid is fully dissipated in the flowing process, the cooling liquid fully cooled in the liquid chamber 504 of the second radiating pipe 1401 flows into the liquid chamber 504 of the first radiating pipe through the through hole in the connecting rod 1402 to absorb heat and cool the light emitting part 12 on the inner side of the first radiating pipe, the cooling liquid in the first radiating pipe 501 absorbs and carries heat and flows into the liquid storage box 17 through the third water through pipe 19, the water pump 10 pumps the liquid from the liquid storage box 17 through the second water through pipe 18, and the cooling liquid circulates and flows, so that the heat dissipation rate of the light emitting part 12 is further improved.
As shown in fig. 3, 4 and 5, the servo motor 10 is fixedly connected with a signal line 9, one end of the signal line 9 is fixedly connected with a temperature sensor 13, and the temperature sensor 13 is fixedly connected with one end of the light emitting part 12.
In specific operation, when the servo motor 10 senses that the temperature in the light emitting portion 12 is not reduced and continues to reach the set value of the rising temperature, a signal is transmitted to the servo motor 10 to start the servo motor 10 to rotate forward and backward, so that the first radiating pipe 501 and the second radiating pipe 1401 move back and forth.
As shown in fig. 5 and 6, the connecting rods 1402 are provided in the combing pipe 401, and the connecting rods 1402 are provided behind the arc-shaped blades 402.
During specific work, when the air drafting pipe 401 rotates to suck air, cold air is scattered to the surfaces of the first radiating pipe 501 and the second radiating pipe 1401 from the air ventilating holes, and the first radiating pipe 501 and the second radiating pipe 1401 are further cooled by air in the process of naturally cooling after leaving the sleeve 16.
As shown in fig. 3 and 9, a water inlet 502 is fixedly disposed at one end of the first radiating pipe 501 and the connection rod 1402, and a cover plate 506 is movably hinged to the water inlet 502.
In specific operation, the cover plate 506 is opened, the water inlet 502 can be opened to replace cooling water, and water with high temperature can be replaced, so that cooling water with low temperature can be rapidly input.
As shown in fig. 6, 8 and 9, the sleeve 16, the spiral rib 15, the first radiating pipe 501, the radiating groove 503 and the second radiating pipe 1401 are made of aluminum alloy.
During specific work, the heat conduction efficiency of the sleeve 16, the spiral ribs 15, the first radiating pipe 501, the radiating groove 503 and the second radiating pipe 1401 made of aluminum alloy materials is high, and the heat dissipation efficiency can be effectively improved.
The working principle is as follows: the cooling water is filled in the liquid chamber 504, the heat emitted by the light-emitting part 12 is transmitted to the sleeve 16, the sleeve 16 transmits the heat to the spiral rib 15, the contact area between the spiral rib 15 matched with the spiral shape and the heat dissipation groove 503 is larger, the absorption efficiency of the cooling water to the heat is higher, the support plate 505 supports the liquid chamber 504, the strength of the liquid chamber 504 is effectively enhanced, when the projector works, the coil 7 is powered on, the magnet 6 drives the air combing pipe 401 to rotate rapidly through the electromagnetic effect, the air combing pipe 401 drives the fixedly connected arc-shaped blades 402 to rotate, the uniformly distributed arc-shaped blades 402 rotate to generate radial suction to suck cold air from the side surface of the projector box body 1, the cold air is input to the outer surface of the first heat dissipation pipe 501 through the air vents uniformly arranged on the air combing pipe 401 to blow air to sufficiently cool the first heat dissipation pipe 501, the cold air is transmitted to the outside the projector box body 1 from the air combing pipe 401, and the light-emitting part 12 is further cooled by air at the same time of water cooling, the water pump 10 fills liquid into the liquid chamber 504 of the second radiating pipe 1401 through the first water through pipe 11, the cooling liquid flows in the spiral liquid chamber 504 of the second radiating pipe 1401, the flow stroke of the cooling liquid is large, the heat of the cooling liquid is fully dissipated in the flowing process, the cooling liquid fully cooled in the liquid chamber 504 of the second radiating pipe 1401 flows into the liquid chamber 504 of the first cooling pipe through the through hole in the connecting rod 1402 to absorb heat and cool the light emitting part 12 on the inner side of the first cooling pipe, the cooling liquid in the first radiating pipe 501 absorbs and carries heat and flows into the liquid storage box 17 through the third water through pipe 19, the water pump 10 pumps the liquid from the liquid storage box 17 through the second water through pipe 18, and the cooling liquid circulates and flows, so that the heat dissipation rate of the light emitting part 12 is further improved.
Claims (7)
1. The utility model provides a quick heat radiation structure and projecting apparatus of projecting apparatus, includes projecting apparatus box, No. two apron, illuminating part and shell, its characterized in that: fixed mounting has No. two apron on the projecting apparatus box, fixed mounting has the illuminating part in the projecting apparatus box, the fixed cover in the illuminating part outside has connect the sleeve pipe, the sheathed tube outside is provided with carries out refrigerated water cooling mechanism to the illuminating part outside through liquid, water cooling mechanism is spiral fixed mounting in the sleeve pipe outside, water cooling mechanism's outside swing joint has carries out refrigerated air cooling mechanism to the illuminating part surface, air cooling mechanism blows the illuminating part outside from the projecting apparatus box outside through rotating the realization, the one end fixedly connected with connecting rod of illuminating part is kept away from to water cooling mechanism, the one end fixedly connected with cooling mechanism who keeps away from water cooling mechanism on the connecting rod.
2. The projector and the rapid heat dissipation structure thereof according to claim 1, wherein: the water cooling mechanism comprises a first radiating pipe and a liquid chamber; fixedly connected with spiral muscle on the sheathed tube side, sleeve pipe outside fixed mounting has a cooling tube, has seted up the radiating groove with spiral muscle looks adaptation in the cooling tube, and sleeve pipe and a cooling tube cooperate through spiral muscle and radiating groove to be connected, and fixedly connected with spiral shape backup pad in the radiating groove separates into evenly distributed's liquid chamber with the radiating groove.
3. The projector and the rapid heat dissipation structure thereof according to claim 1, wherein: the air cooling structure comprises an air combing pipe, arc-shaped blades and a ventilation groove; the inboard fixedly connected with bearing of shell, swing joint has the comb tuber pipe on the bearing, the fixed coil that is provided with on the comb tuber pipe side, the even fixedly connected with magnet of inboard of shell, comb tuber pipe and ventilation groove group constitute the ventilation groove, the ventilation groove is the annular, the one end setting in ventilation groove is on the side of projecting apparatus box, the air vent has evenly been seted up on the comb tuber pipe, the inboard fixedly connected with arc blade of comb tuber pipe, arc blade is provided with four and fixed connection on the inside wall of comb tuber pipe.
4. The projector and the rapid heat dissipation structure thereof according to claim 2, wherein: the cooling mechanism comprises a second radiating pipe; no. one cooling tube and connecting rod fixed connection, the connecting rod keep away from one of cooling tube serve No. two cooling tubes of fixedly connected with, the connecting rod has seted up the through-hole along its length direction is inside, No. two cooling tube inboards are provided with radiating groove and liquid chamber, the liquid chamber of a cooling tube and the liquid chamber of No. two cooling tubes pass through the through-hole intercommunication in the connecting rod, No. two one end fixedly connected with water pipe that the connecting rod was kept away from to the cooling tube, the liquid chamber intercommunication of water pipe and No. two cooling tubes, the one end that No. two cooling tubes were kept away from to a water pipe is connected with the water pump, the intercommunication has No. two water pipes on the water pump, the one end intercommunication that the water pump was kept away from to No. two water pipes has the liquid reserve tank, the intercommunication has No. three water pipes on the liquid reserve tank, No. three water pipes keep away from the one end of water pump and the liquid chamber intercommunication in the cooling tube.
5. The projector and the rapid heat dissipation structure thereof according to claim 4, wherein: the servo motor is fixedly connected with a signal wire, one end of the signal wire is fixedly connected with a temperature sensor, and the temperature sensor is fixedly connected with one end of the light-emitting part.
6. The projector and the rapid heat dissipation structure thereof according to claim 4, wherein: the connecting rod sets up in the comb tuber pipe, and the connecting rod setting is at the rear of arc blade.
7. The projector and the rapid heat dissipation structure thereof according to claim 2, wherein: a water inlet has all been seted up to the one end of a cooling tube and No. two cooling tubes, and the activity is articulated on the water inlet has the apron.
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| CN202110847022.1A CN114063370B (en) | 2021-07-27 | 2021-07-27 | Quick heat radiation structure of projector and projector |
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| CN114063370B (en) | 2023-10-03 |
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