CN114575988A - Radiator hot air backflow prevention structure and radiator comprising same - Google Patents
Radiator hot air backflow prevention structure and radiator comprising same Download PDFInfo
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- CN114575988A CN114575988A CN202210249681.XA CN202210249681A CN114575988A CN 114575988 A CN114575988 A CN 114575988A CN 202210249681 A CN202210249681 A CN 202210249681A CN 114575988 A CN114575988 A CN 114575988A
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- 230000002265 prevention Effects 0.000 title description 5
- 230000017525 heat dissipation Effects 0.000 claims abstract description 62
- 230000000903 blocking effect Effects 0.000 claims abstract description 58
- 238000001816 cooling Methods 0.000 claims abstract description 56
- 238000009423 ventilation Methods 0.000 claims abstract description 26
- 230000000694 effects Effects 0.000 claims description 22
- 238000009434 installation Methods 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 3
- BKUKXOMYGPYFJJ-UHFFFAOYSA-N 2-ethylsulfanyl-1h-benzimidazole;hydrobromide Chemical compound Br.C1=CC=C2NC(SCC)=NC2=C1 BKUKXOMYGPYFJJ-UHFFFAOYSA-N 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 7
- 230000009471 action Effects 0.000 description 11
- 238000003780 insertion Methods 0.000 description 8
- 230000037431 insertion Effects 0.000 description 8
- 230000004888 barrier function Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000005389 magnetism Effects 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
- F01P11/10—Guiding or ducting cooling-air, to, or from, liquid-to-air heat exchangers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Air-Flow Control Members (AREA)
Abstract
The invention provides a radiator hot air backflow preventing structure and a radiator with the same, and the radiator hot air backflow preventing structure comprises a cooling box, wherein a heat dissipation plate is fixedly connected to one side of the cooling box, a heat dissipation plate is fixedly connected with a heat dissipation fin, a baffle for movably blocking the heat dissipation hole is arranged on the surface of the heat dissipation plate, an air outlet rod is fixedly connected to the upper surface of the baffle, a wrapping groove for movably covering the heat dissipation hole is formed in the bottom of the baffle, a gas collection cavity is formed in the baffle, a piston plate is movably arranged in the gas collection cavity, a through hole is formed in the piston plate and movably blocked by an air blocking assembly, a fixing block is fixedly arranged on the upper arm of the gas collection cavity, and a movable cavity communicated with the air outlet rod is formed in the fixing block. In the use process of the cooling device, when hot air backflow phenomenon occurs, the heat dissipation holes are blocked by the baffle, and when the hot air backflow phenomenon continues, hot air in the cooling cavity is discharged at intervals by means of pressurization of the piston plate and the ventilation rod.
Description
Technical Field
The invention relates to the technical field of hot air backflow prevention of radiators, in particular to a hot air backflow prevention structure of a radiator and a radiator with the same.
Background
The radiator is an indispensable part in a general cooling system, particularly in a water-cooled engine cooling system of an automobile, the automobile radiator is mainly formed by a water inlet chamber, a water outlet chamber, a radiator core and the like.
The utility model provides a novel auto radiator hot-blast proof reflux structure and radiator assembly that publication number "CN 208069397U" provided, including installing in the lower backplate of radiator bottom, the backplate is connected with the guide plate down, guide plate one end is equipped with the extension board that is located radiator wind gap below, and this extension board extends to radiator heat dissipation direction. Its aim at provides a novel auto radiator prevents hot-blast reflux structure and radiator assembly, through the guide plate with backplate is connected in order to solve the sealed sponge that the radiator bottom that exists among the prior art set up under the radiator bottom, the technical problem of the wind of the intercooler near be not convenient for with the radiator passing through.
However, the above device still has the following problems in the implementation process:
the hot air backflow phenomenon refers to the phenomenon that the temperature of air at the inlet of the air-cooled radiator is increased because hot air exhausted by the air-cooled radiator returns to the suction inlet of the air-cooled fan again, in the prior art, the suction inlet is blocked by a movable baffle plate in order to prevent hot air backflow, so that hot air backflow is avoided, if the hot air continuously flows back, the baffle plate can be in a state of always blocking the suction inlet, so that although the hot air backflow is prevented, high-temperature gas in a cooling chamber cannot be timely discharged, a heat dissipation device fails, the use of the device is influenced, and if the baffle plate is opened, the backflow hot air pressure can enter the cooling chamber greatly.
Disclosure of Invention
The present invention provides a heat sink anti-backflow structure and a heat sink having the same, so as to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
a heat sink hot air backflow preventing structure comprises a cooling box, wherein a cooling cavity is formed in the cooling box, a cooling pipe is coiled in the cooling cavity, a heat dissipation plate is fixedly connected to one side of the cooling box, a plurality of heat dissipation fins are fixedly connected to the heat dissipation plate at intervals, heat dissipation holes communicated with the cooling cavity are formed in the heat dissipation plate, a plurality of fixing blocks are fixed on the surface of the heat dissipation plate, a rotary groove is formed in the fixing blocks, a rotary rod is rotatably arranged in the rotary groove, the rotary rod is rotatably sleeved with a baffle for movably blocking the heat dissipation holes, the baffle is fixedly connected with the fixing plate through a torsion spring, and the baffle guarantees exhaust in the cooling cavity under the continuous hot air backflow state;
baffle fixedly connected with inserted bar, the draw-in groove has been seted up on the inserted bar surface, the slot that supplies the inserted bar activity to stretch into is seted up on the heating panel surface, the inside buckle subassembly that is provided with the activity and blocks the inserted bar of heating panel.
Preferably, fixed surface is connected with out the gas pole on the baffle, the activity is seted up at the baffle bottom and is covered the parcel groove of louvre, the inside gas collecting cavity of seting up and parcel groove intercommunication of baffle, and the intercommunication department of parcel groove and gas collecting cavity is provided with the check valve, the inside activity of gas collecting cavity is provided with the piston board, piston board and the first elastic block of gas collecting cavity inner wall fixedly connected with, the through-hole has been seted up to the piston board inside, the through-hole is blocked by keeping off the gas subassembly activity, the card hole has been seted up to the through-hole lateral wall, the fixed block that is provided with of gas collecting cavity upper arm, the inside movable chamber of seting up and gas outlet rod intercommunication of fixed block, movable intracavity portion is provided with the activity and stretches into the inside ventilation rod of through-hole, ventilation rod communicates gas collecting cavity and movable chamber, ventilation rod and movable chamber inner wall fixedly connected with second elastic block.
Preferably, the buckle subassembly is including seting up in the inside and mutual wind sensing groove and the buckle chamber that communicates of heating panel, the activity of wind sensing inslot portion is provided with the wind sensing board, wind sensing board and wind sensing inslot wall fixedly connected with third elastic block, buckle intracavity portion is provided with the activity and stretches into the inside cardboard of draw-in groove, cardboard and buckle intracavity wall fixedly connected with fourth elastic block, buckle intracavity portion is provided with the activity and blocks the barrier plate of cardboard, barrier plate and buckle intracavity wall fixedly connected with fifth elastic block, the barrier plate passes through the stay cord and the activity sets up the movable block fixed connection in the inside slot, movable block and inserted bar swing joint.
Preferably, keep off the gas subassembly including seting up the chamber of keeping off the gas in the piston plate inside, keep off the inside gas magnetic shield that is provided with the activity and blocks the through-hole of gas intracavity, keep off gas magnetic shield and keep off gas intracavity wall fixedly connected with sixth elastic block, the fixed electro-magnet that is provided with of gas intracavity inside, the electro-magnet is opened by fixed setting at the switch control of card downthehole portion.
Preferably, the ventilation pole has inside seted up the installation cavity, the inside activity that is provided with of installation cavity stretches into the inside card needle of card hole, card needle and switch movable contact, card needle and installation intracavity wall fixedly connected with seventh elastic block, the part lower surface that the card needle stretches into card downthehole portion is the inclined plane, the card needle passes through the driving rope and the activity sets up the fly leaf fixed connection in ventilation pole inside, fly leaf and the fixed vaulting pole swing joint that sets up in the movable cavity.
Preferably, the gas outlet rod is arc-shaped.
A radiator comprises a radiator main body and further comprises the hot wind backflow prevention structure of the radiator.
Compared with the prior art, the invention has the beneficial effects that:
1. the heat dissipation holes are blocked when heat backflow occurs through the arrangement of the fixing block, the rotating rod, the torsion spring and the baffle, and the heat backflow is placed;
2. when the hot air backflow phenomenon continues, the clamping plate clamps the inserted rod, and the baffle is fixed to facilitate the subsequent pressurization and discharge of hot air in the cooling cavity;
3. when the hot air backflow phenomenon is continuous, hot air inside the cooling cavity is firstly gathered inside the air collecting cavity, and the air gathered inside the air collecting cavity is pressurized and discharged under the arrangement of the piston plate and the ventilation rod;
in the using process of the invention, when the hot air backflow phenomenon occurs, the backflow hot air drives the baffle to block the heat dissipation holes to prevent the hot air from flowing back to the interior of the cooling cavity, when the hot air backflow phenomenon disappears, the baffle resets under the action of the torsion spring, at the same time, the heat dissipation holes are opened again to ensure that the hot air in the cooling cavity is normally discharged, when the hot air backflow phenomenon continues, the baffle blocks the heat dissipation holes under the driving of the backflow hot air, the continuous backflow hot air drives the air sensing plate to enable the clamping plate to clamp the inserted rod, at the same time, the baffle is in a state of continuously blocking the heat dissipation holes, as the temperature in the cooling cavity continuously rises, the high-temperature and high-pressure gas in the cooling cavity enters the gas collection cavity through the wrapping groove at the moment, the piston plate is driven to move upwards, at the lower part of the piston plate collects the high-temperature and high-pressure gas, and the hot gas in the cooling cavity is discharged at intervals under the matching of the air blocking magnetic plate and the ventilation rod, the hot air in the cooling cavity can be normally discharged under the state of continuous backflow of the hot air.
Drawings
FIG. 1 is a perspective view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the cooling chamber according to the present invention;
FIG. 3 is a perspective view of the heat sink plate of the present invention;
FIG. 4 is a perspective view of a fixing plate according to the present invention;
FIG. 5 is a side view of a fixation plate of the present invention;
FIG. 6 is a front view of the heat sink of the present invention;
FIG. 7 is a schematic view of the internal structure of the baffle of the present invention;
FIG. 8 is a schematic view of the internal structure of the piston plate of the present invention;
fig. 9 is a schematic view of the internal structure of the heat dissipation plate of the present invention;
FIG. 10 is a schematic view of the internal structure of the fixing block according to the present invention;
fig. 11 is a schematic view of the internal structure of the installation cavity of the present invention.
In the figure: 1 cooling box, 2 cooling cavities, 3 cooling pipes, 4 cooling plates, 5 cooling fins, 6 heat dissipation holes, 7 fixing plates, 8 rotating grooves, 9 rotating rods, 10 baffles, 11 torsion springs, 12 insertion rods, 13 clamping grooves, 14 inserting grooves, 15 air outlet rods, 16 wrapping grooves, 161 one-way valves, 17 air collection cavities, 18 piston plates, 181 first elastic blocks, 19 through holes, 20 clamping holes, 21 fixing blocks, 22 movable cavities, 23 air vent rods, 231 second elastic blocks, 24 air sensing grooves, 25 clamping cavities, 26 air sensing plates, 261 third elastic blocks, 27 clamping plates, 28 fourth elastic blocks, 29 blocking plates, 291 fifth elastic blocks, 30 pull ropes, 31 movable blocks, 32 air blocking cavities, 33 air blocking magnetic plates, 331 sixth elastic blocks, 34 electromagnets, 35 switches, 36 installation cavities, 37 clamping pins, 371 seventh elastic blocks, 38 driving ropes, 39 movable plates and 40 support rods.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-11, the present invention provides a technical solution:
the first embodiment is as follows:
a heat sink hot air backflow preventing structure comprises a cooling box 1, a cooling cavity 2 is arranged inside the cooling box 1, a cooling pipe 3 is coiled inside the cooling cavity 2, circulating water is arranged inside the cooling pipe 3, a heat dissipation plate 4 is fixedly connected to one side of the cooling box 1, the heat dissipation plate 4 is fixed on the side wall of the cooling box 1 through nuts, a plurality of heat dissipation plates 5 are fixedly connected to the heat dissipation plate 4 at intervals, the heat dissipation plates 5 are used for facilitating heat dissipation, heat dissipation holes 6 communicated with the cooling cavity 2 are formed inside the heat dissipation plate 4, high-temperature gas inside the cooling cavity 2 is released and dissipated through the heat dissipation plate 4, the heat dissipation plates 5 and the heat dissipation holes 6, in the embodiment, a plurality of heat dissipation holes 6 are formed in the heat dissipation plate 4, a plurality of fixing plates 7 are fixed on the surfaces of the heat dissipation plates 4, the fixing plates 7 are arranged above the heat dissipation holes 6 and are positioned on two sides of the heat dissipation holes 6, a rotary groove 8 is formed inside the fixing plates 7, a rotary rod 9 is rotatably arranged inside the rotary groove 8, the rotating rod 9 is rotatably arranged in the rotating groove 8, the rotating rod 9 is rotatably sleeved with a baffle 10 which movably blocks the heat dissipation holes 6, the baffle 10 is fixedly connected with the fixed plate 7 through a torsion spring 11, the baffle 10 is rotatably sleeved on the rotating rod 9, the included angle between the planes of the baffle 10 and the heat dissipation holes 6 is less than ninety degrees, when hot air flows back, the returned hot air drives the baffle 10, the baffle 10 rotates to cover the heat dissipation holes 6, at the moment, the hot air for preventing backflow enters the cooling cavity 2 through the heat dissipation holes 6 again, when the hot air backflow disappears, the baffle 10 resets under the action of the torsion spring 11, at the moment, the heat dissipation holes 6 are opened again to dissipate heat, the rotating rod 9 in the embodiment can also be fixedly arranged between the two fixed plates 7, the baffle 10 is rotatably sleeved on the rotating rod 9, the baffle 10 is fixedly connected with the fixed plates 7 through the torsion spring 11, and the technical effect which is desired to be achieved can also be achieved, the baffle 10 ensures the exhaust in the cooling cavity 2 in the continuous hot air backflow state, when the phenomenon of continuous hot air backflow occurs, the baffle 10 can continuously block the heat dissipation holes 6, at this time, the high-temperature gas in the cooling cavity 2 cannot be dissipated through the heat dissipation holes 6, and as time goes on, the temperature in the cooling cavity 2 can be continuously increased, so that the use of the device is affected, and the baffle 10 arranged in the embodiment can pressurize and release the gas in the cooling cavity 2 in the continuous hot air backflow state;
Example two:
the upper surface of the baffle 10 is fixedly connected with an air outlet rod 15, the air outlet rod is a hollow rod in the 15 position, the bottom of the baffle 10 is provided with a wrapping groove 16 which movably covers the heat dissipation holes 6, when the heat dissipation holes 6 are covered by the baffle 10, the wrapping groove 16 can cover the heat dissipation holes 6, the periphery of the wrapping groove 16 is wrapped by a rubber sealing strip, the heat dissipation holes 6 can be completely sealed by the wrapping groove 16, the interior of the baffle 10 is provided with a gas collection cavity 17 communicated with the wrapping groove 16, a one-way valve 161 is arranged at the communication part of the wrapping groove 16 and the gas collection cavity 17, when the hot air backflow continuously occurs, the heat dissipation holes 6 are covered by the baffle 10, the high-temperature gas in the cooling cavity 2 can not be dissipated through the heat dissipation holes 6, along with the increase of time, the gas temperature in the cooling cavity 2 continuously rises, the gas continuously expands, and presents a high-temperature and high-pressure state, the high-temperature and high-pressure gas in the cooling cavity 2 enters the wrapping groove 16 through the heat dissipation holes 6, then the gas enters the gas collecting cavity 17, the one-way valve 161 is arranged to ensure that the gas at the communication position of the wrapping groove 16 and the gas collecting cavity 17 flows in the direction that the gas can only flow from the wrapping groove 16 to the gas collecting cavity 17, the piston plate 18 is movably arranged in the gas collecting cavity 17, the piston plate 18 and the inner wall of the gas collecting cavity 17 form a closed space, when the gas enters the gas collecting cavity 17, the piston plate 18 can be driven to move upwards, the first elastic block 181 is fixedly connected with the inner wall of the piston plate 18 and the inner wall of the gas collecting cavity 17, the through hole 19 is formed in the piston plate 18, the through hole 19 is movably blocked by the gas blocking component, the through hole 19 is a vent hole, the through hole 19 is in a state blocked by the gas blocking component in an initial state, when the gas blocking component is opened, the gas at the lower part of the piston plate 18 can flow through the through hole 19, the side wall of the through hole 19 is provided with the clamping hole 20, the clamping hole 20 is convenient to be matched with a clamping rod in the ventilation rod 23 subsequently to enable the piston plate 18 to move downwards and reset, can stimulate ventilation rod 23 to move down together, the fixed block 21 that is provided with of gas collection chamber 17 upper wall, the inside movable chamber 22 who offers and give vent to anger the 15 intercommunication of pole of 21 fixed block, the inside ventilation rod 23 that stretches into through-hole 19 inside that is provided with of movable chamber 22, ventilation rod 23 is in the inside part of movable chamber 22 and forms airtight space with movable chamber 22 inner wall, ventilation rod 23 is the cavity pole, ventilation rod 23 communicates gas collection chamber 17 and movable chamber 22, ventilation rod 23 and movable chamber 22 inner wall fixedly connected with second elastic block 231.
Example three:
on the basis of the first embodiment, the structure of the buckle assembly in the first embodiment is disclosed, the buckle assembly includes a wind sensing groove 24 and a buckle cavity 25 which are arranged inside the heat dissipation plate 4 and are communicated with each other, the wind sensing groove 24 is an open groove, a wind sensing plate 26 is movably arranged inside the wind sensing groove 24, the wind sensing plate 26 and the inner wall of the wind sensing groove 24 form a closed space, when a hot wind backflow phenomenon occurs, the backflow hot wind drives the wind sensing plate 26 to move down, the gas inside the wind sensing groove 24 is extruded into the buckle cavity 25, the inner walls of the wind sensing plate 26 and the wind sensing groove 24 are fixedly connected with a third elastic block 261, a clamping plate 27 which movably extends into the clamping groove 13 is arranged inside the buckle cavity 25, the clamping plate 27 and the inner wall of the buckle cavity 25 form a closed space, the gas entering the buckle cavity 25 from the wind sensing groove 24 can drive the clamping plate 27 to move, the inner walls of the clamping plate 27 and the buckle cavity 25 are fixedly connected with a fourth elastic block 28, the blocking plate 29 for movably blocking the blocking plate 27 is arranged in the buckling cavity 25, the blocking plate 29 is in a state of blocking the blocking plate 27 in an initial state, when gas enters the buckling cavity 25, the left side of the blocking plate 27 is in a high-pressure state at the moment, but the blocking plate 27 is blocked by the blocking plate 29 at the moment and is in a state to be triggered, the blocking plate 29 and the inner wall of the buckling cavity 25 are fixedly connected with a fifth elastic block 291, the blocking plate 29 is fixedly connected with a movable block 31 movably arranged in the slot 14 through a pull rope 30, the movable block 31 is in movable contact with the insertion rod 12, when the insertion rod 12 extends into the slot 14, the movable block 31 is extruded, the movable block 31 pulls the blocking plate 29 to move downwards through the pull rope 30 at the moment, and at the moment, the blocking plate 27 extends into the clamping groove 13 under the effect of left-side high-pressure gas to block the insertion rod 12.
Example four:
on the basis of the second embodiment, the structure of the air blocking assembly in the second embodiment is disclosed, the air blocking assembly includes an air blocking cavity 32 formed in the piston plate 18, an air blocking magnetic plate 33 movably blocking the through hole 19 is arranged in the air blocking cavity 32, the air blocking magnetic plate 33 is in a state of blocking the through hole 19 in an initial state, a sixth elastic block 331 is fixedly connected to inner walls of the air blocking magnetic plate 33 and the air blocking cavity 32, an electromagnet 34 is fixedly arranged in the air blocking cavity 32, the electromagnet 34 is controlled to be turned on by a switch 35 fixedly arranged in the clamping hole 20, the switch 35 and the electromagnet 34 are connected in series through a wire and an external power supply, the switch 35 is a press-contact type switch, when the switch 35 is pressed, the electromagnet 34 is electrified to have magnetism, the air blocking magnetic plate 33 exits from the through hole 19, and the through hole 19 is opened.
Example five:
the inside of the ventilation rod 23 is provided with an installation cavity 36, the inside of the installation cavity 36 is provided with a clamping needle 37 movably extending into the clamping hole 20, the clamping needle 37 is movably contacted with the switch 35, the inner walls of the clamping needle 37 and the installation cavity 36 are fixedly connected with a seventh elastic block 371, the lower surface of the part, extending into the clamping hole 20, of the clamping needle 37 is an inclined surface, the lower part of one end, extending into the clamping hole 20, of the clamping needle 37 is an inclined surface, when the piston plate 18 moves upwards continuously, the ventilation rod 23 extends into the through hole 19 at the moment, the lower surface of the clamping needle 37 is extruded with the piston plate 18, the clamping needle 37 retracts into the installation cavity 36 firstly, when the clamping needle 37 moves to the position of the clamping hole 20, the clamping needle 37 extends into the clamping hole 20 under the action of the seventh elastic block, the ventilation rod 23 and the piston plate 18 at the moment, the clamping needle 37 is clamped and extrudes the switch 35 in the process of extending into the clamping hole 20 at the same time, the air blocking magnetic air collection plate 33 exits from the through hole 19, and the air collection plate 17 is located at the lower part of the piston plate 23, The movable cavity 22 and the air outlet rod 15 are exhausted, in the process, the piston plate 18 moves downwards under the action of the first elastic block 181 to pressurize the exhausted air, meanwhile, the air vent rod 23 also moves downwards along with the piston plate 18, the clamping needle 37 is fixedly connected with a movable plate 39 movably arranged in the air vent rod 23 through a driving rope 38, the movable plate 39 is movably contacted with a supporting rod 40 fixedly arranged in the movable cavity 22, the movable plate 39 is pressed along with the continuous downward movement of the air vent rod 23, the movable plate 39 pulls the clamping needle 37 to exit from the clamping hole 20 through the driving rope 38, at the moment, the air vent rod 23 is separated from the piston plate 18, and the air blocking magnetic plate 33 blocks the through hole 19 again.
Preferably, the air outlet rod 15 is arc-shaped, the arc-shaped arrangement enables the air outlet of the air outlet rod 15 and the backflow hot air to be in a non-parallel state, and when air needs to be exhausted, air can be exhausted better.
A radiator comprises a radiator main body and further comprises the hot air backflow preventing structure of the radiator.
The working principle is as follows: when the hot air backflow phenomenon occurs, the baffle 10 blocks the heat dissipation holes 6 under the driving of the backflow hot air, the backflow hot air is prevented from entering the cooling cavity 2, and when the hot air backflow phenomenon disappears, the baffle 10 resets under the action of the torsion spring 11;
when the hot air backflow phenomenon continues, the backflow hot air drives the air sensing plate 26 to move downwards, the air sensing plate 26 extrudes the air in the air sensing groove 24 into the buckle cavity 25, the interior of the buckle cavity 25 is in a high-pressure state at the moment, the clamping plate 27 is blocked by the blocking plate 29, and the clamping plate 27 is in a state to be extended;
the backflow hot air drives the blocking plate 29 to block the heat dissipation holes 6, the insertion rod 12 is inserted into the slot 14, the insertion rod 12 extrudes the movable block 31, the movable block 31 pulls the blocking plate 29 to move downwards through the pull rope 30, the blocking plate 29 does not block the clamping plate 27 at the moment, the clamping plate 27 extends out under the action of air pressure to clamp the insertion rod 12, the clamping plate 27 keeps the state of clamping the insertion rod 12 under the action of the continuous backflow hot air, the baffle 10 keeps the state of blocking the heat dissipation holes 6 at the moment, and the wrapping groove 16 wraps and covers the heat dissipation holes 6 at the moment;
at any time, the time that the baffle 10 blocks the heat dissipation holes 6 is increased, the air temperature in the cooling cavity 2 is continuously increased at this time, the air in the cooling cavity 2 is continuously expanded, the expanded air enters the air collection cavity 17 through the wrapping groove 16, the piston plate 18 is driven to move upwards, the air collection cavity 17 is positioned at the lower part of the piston plate 18 and continuously collects high-pressure air along with the continuous upward movement of the piston plate 18, and meanwhile, the ventilation rod 23 extends into the through hole 19;
in the process that the ventilation rod 23 extends into the through hole 19, the clamping needle 37 firstly extrudes with the side wall of the piston plate 18 to retract into the mounting cavity 36, when the clamping needle 37 moves to the clamping hole 20, the clamping needle 37 extends into the clamping hole 20 under the action of the seventh elastic block 371, and the ventilation rod 23 and the piston plate 18 are fixed under the action of the clamping needle 37;
when the clamping needle 37 extends into the clamping hole 20 and presses the switch 35, the electromagnet 34 is powered on and has magnetism, the electromagnet 34 attracts the air blocking magnetic plate 33 to move left and withdraw from the through hole 19, the part of the air collecting cavity 17 below the piston plate 18 is communicated with the movable cavity 22 and the air outlet rod 15, the air in the part of the air collecting cavity 17 below the piston plate 18 is discharged sequentially through the air vent rod 23, the movable cavity 22 and the air outlet rod 15, the piston plate 18 moves downwards under the action of the first elastic block 181, the air below the piston plate 18 is pressed out in the downward moving process, and the air is discharged under the action of pressure and the arc-shaped air outlet rod 15.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a radiator anti-hot air backflow structure, includes cooler bin (1), cooling chamber (2) have been seted up to cooler bin (1) inside, cooling chamber (2) inside dish is equipped with cooling tube (3), cooler bin (1) one side fixedly connected with heating panel (4), a plurality of fin (5) of heating panel (4) interval fixedly connected with, inside louvre (6) of seting up and cooling chamber (2) intercommunication of heating panel (4), its characterized in that: the surface of the heat dissipation plate (4) is fixedly provided with a plurality of fixing plates (7), a rotating groove (8) is formed in each fixing plate (7), a rotating rod (9) is rotatably arranged in each rotating groove (8), the rotating rod (9) is rotatably sleeved with a baffle (10) which movably blocks the heat dissipation hole (6), the baffle (10) is fixedly connected with the fixing plates (7) through a torsion spring (11), and the baffle (10) ensures exhaust in the cooling cavity (2) in a hot air continuous backflow state;
baffle (10) fixedly connected with inserted bar (12), draw-in groove (13) have been seted up on inserted bar (12) surface, slot (14) that supply inserted bar (12) activity to stretch into are seted up on heating panel (4) surface, the inside buckle subassembly that blocks inserted bar (12) that is provided with the activity of heating panel (4).
2. The structure of claim 1, wherein: the upper surface of the baffle (10) is fixedly connected with an air outlet rod (15), the bottom of the baffle (10) is provided with a wrapping groove (16) which movably covers the radiating holes (6), the inside of the baffle (10) is provided with a gas collecting cavity (17) communicated with the wrapping groove (16), the communication position of the wrapping groove (16) and the gas collecting cavity (17) is provided with a one-way valve (161), the inside of the gas collecting cavity (17) is movably provided with a piston plate (18), the inner wall of the piston plate (18) and the gas collecting cavity (17) is fixedly connected with a first elastic block (181), the inside of the piston plate (18) is provided with a through hole (19), the through hole (19) is movably blocked by an air blocking component, the side wall of the through hole (19) is provided with a clamping hole (20), the upper wall of the gas collecting cavity (17) is fixedly provided with a fixing block (21), the inside of the fixing block (21) is provided with a movable cavity (22) communicated with the air outlet rod (15), the gas collection device is characterized in that a ventilation rod (23) movably extending into the through hole (19) is arranged inside the movable cavity (22), the gas collection cavity (17) is communicated with the movable cavity (22) through the ventilation rod (23), and a second elastic block (231) is fixedly connected to the inner walls of the ventilation rod (23) and the movable cavity (22).
3. The structure of claim 1, wherein: the buckle component comprises a wind sensing groove (24) and a buckle cavity (25) which are arranged in the heat dissipation plate (4) and are communicated with each other, the wind sensing plate (26) is movably arranged in the wind sensing groove (24), the wind sensing plate (26) and the inner wall of the wind sensing groove (24) are fixedly connected with a third elastic block (261), a clamping plate (27) movably extending into the clamping groove (13) is arranged in the clamping cavity (25), the clamping plate (27) and the inner wall of the clamping cavity (25) are fixedly connected with a fourth elastic block (28), a blocking plate (29) for movably blocking the blocking plate (27) is arranged in the buckling cavity (25), a fifth elastic block (291) is fixedly connected with the inner walls of the blocking plate (29) and the buckling cavity (25), the blocking plate (29) is fixedly connected with a movable block (31) movably arranged in the slot (14) through a pull rope (30), and the movable block (31) is movably contacted with the inserted rod (12).
4. The hot air backflow preventing structure of a heat sink according to claim 2, wherein: the air blocking component comprises an air blocking cavity (32) arranged inside the piston plate (18), an air blocking magnetic plate (33) which movably blocks the through hole (19) is arranged inside the air blocking cavity (32), a sixth elastic block (331) is fixedly connected to the inner walls of the air blocking magnetic plate (33) and the air blocking cavity (32), an electromagnet (34) is fixedly arranged inside the air blocking cavity (32), and the electromagnet (34) is controlled to be opened by a switch (35) fixedly arranged inside the clamping hole (20).
5. The hot air backflow preventing structure of a heat sink according to claim 4, wherein: ventilation pole (23) inside has seted up installation cavity (36), installation cavity (36) inside is provided with the activity and stretches into card needle (37) of card hole (20) inside, card needle (37) and switch (35) movable contact, card needle (37) and installation cavity (36) inner wall fixedly connected with seventh elastic block (371), card needle (37) stretch into the partial lower surface of card hole (20) inside and be the inclined plane, card needle (37) set up at ventilation pole (23) inside fly leaf (39) fixed connection through driving rope (38) and activity, fly leaf (39) and fixed bracing piece (40) movable contact who sets up in activity cavity (22) inside.
6. The hot air backflow preventing structure of a heat sink according to claim 2, wherein: the gas outlet rod (15) is arc-shaped.
7. A radiator, includes radiator main part, its characterized in that: further comprising a heat sink backflow preventing structure of any one of claims 1 to 6.
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| CN202210249681.XA CN114575988B (en) | 2022-03-14 | 2022-03-14 | Radiator hot air backflow preventing structure and radiator comprising same |
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| CN202210249681.XA CN114575988B (en) | 2022-03-14 | 2022-03-14 | Radiator hot air backflow preventing structure and radiator comprising same |
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Cited By (1)
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| CN115566515A (en) * | 2022-11-10 | 2023-01-03 | 中国航天三江集团有限公司 | Optical path heat effect suppression device in high-power laser |
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| CN114575988B (en) | 2022-12-27 |
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Denomination of invention: Radiator anti-hot air backflow structure and radiator containing the structure Effective date of registration: 20230302 Granted publication date: 20221227 Pledgee: Bank of China Limited Changshu branch Pledgor: SUZHOU SHENGFA ALUMINUM CO.,LTD. Registration number: Y2023980033791 |
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Granted publication date: 20221227 Pledgee: Bank of China Limited Changshu branch Pledgor: SUZHOU SHENGFA ALUMINUM CO.,LTD. Registration number: Y2023980033791 |
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Denomination of invention: Radiator anti hot air backflow structure and radiators containing this structure Granted publication date: 20221227 Pledgee: Bank of China Limited Changshu branch Pledgor: SUZHOU SHENGFA ALUMINUM CO.,LTD. Registration number: Y2024980008821 |
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