CN221125189U - Heat-wind backflow prevention structure of radiator - Google Patents
Heat-wind backflow prevention structure of radiator Download PDFInfo
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- CN221125189U CN221125189U CN202323211038.7U CN202323211038U CN221125189U CN 221125189 U CN221125189 U CN 221125189U CN 202323211038 U CN202323211038 U CN 202323211038U CN 221125189 U CN221125189 U CN 221125189U
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- fixedly connected
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- pipe
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- 230000002265 prevention Effects 0.000 title claims abstract description 12
- 230000017525 heat dissipation Effects 0.000 claims abstract description 28
- 239000000428 dust Substances 0.000 claims description 11
- 239000000110 cooling liquid Substances 0.000 claims description 10
- 241000883990 Flabellum Species 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 229910052802 copper Inorganic materials 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
- 238000001816 cooling Methods 0.000 description 9
- 230000005855 radiation Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 1
- 230000000191 radiation effect Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model relates to the technical field of radiators and discloses a heat-resistant air backflow structure of a radiator, which comprises a main machine shell, wherein an air outlet heat dissipation hole is formed in the left side of the main machine shell, an air inlet heat dissipation hole is formed in the right side of the main machine shell, an air outlet pipe is fixedly connected to the left side of the main machine shell, a fixed frame is fixedly connected to the left side of the inner side of the main machine shell, an annular frame is sleeved on the inner side of the fixed frame in a threaded manner, a connecting rod is fixedly connected to the inner side of the annular frame, the other end of the connecting rod is fixedly connected with a motor, an output shaft of the motor is fixedly connected with a fan blade, a backflow prevention frame is fixedly connected to the left side of the inner side of the fan blade, the hot air is guided by the inclined design of the air outlet pipe, the backflow of the hot air is avoided due to the external wind force, meanwhile, the U-shaped design of the backflow prevention frame can avoid backflow of hot air from a gap between the fan blade and the annular frame, the air inlet is designed to face to the bottom, and the direction opposite to the air outlet of the hot air is prevented from flowing back into the inner cavity of the main machine shell.
Description
Technical Field
The utility model relates to the technical field of radiators, in particular to a hot air backflow prevention structure of a radiator.
Background
The computer mainly comprises a CPU, a display card, a main board, a memory, a hard disk, a display, a case, an optical drive, a keyboard, a mouse and a heat dissipation system.
In the process of using the computer, the main board of the computer generates a large amount of heat due to high-level calculation operation, and a radiator is required to radiate heat, so that components on the main board can be kept at normal working temperature.
The hot air backflow phenomenon refers to a phenomenon that hot air discharged by the air cooling radiator returns to the suction inlet of the air cooling fan again, so that the temperature of inlet air of the air cooling radiator is increased. Because the air-cooled radiator uses air cooling, the inlet air temperature of the air-cooled radiator has a great influence on the heat exchange performance of the air-cooled radiator. If the air cooling radiator is improperly arranged, the inlet temperature of the air cooling radiator is higher than the ambient temperature, the heat transfer temperature difference is reduced, the heat transfer efficiency of the air cooling radiator is reduced, the heat transfer performance is reduced, the heat transfer is deteriorated when severe, the safe operation of the radiator and a main board is directly affected, the air inlet for heat radiation is not provided with a dustproof structure, and a large amount of dust is sucked to be accumulated on the surface of the radiator in the heat radiation process, so that the heat radiation effect is affected.
Disclosure of utility model
In order to overcome the above-mentioned drawbacks of the prior art, the present utility model provides a heat-wind backflow prevention structure of a heat sink, so as to solve the above-mentioned problems in the prior art.
The utility model provides the following technical scheme: the utility model provides a radiator heat-proof wind backward flow structure, includes the host computer shell, the air-out louvre has been seted up in the left side of host computer shell, the air inlet louvre has been seted up on the right side of host computer shell, the left side fixedly connected with tuber pipe of host computer shell, the inboard left side fixedly connected with fixed frame of host computer shell, the annular frame has been cup jointed to the inboard screw thread of fixed frame, the inboard fixedly connected with connecting rod of annular frame, the other end fixedly connected with motor of connecting rod, the output shaft fixedly connected with flabellum of motor, the inboard left side fixedly connected with of flabellum prevents the backward flow frame.
Further, the right side fixedly connected with fixed pipe of host computer shell, the bottom fixedly connected with air-supply line of fixed pipe, the bottom screw thread of the outside of air-supply line has cup jointed the screw frame, the inboard fixedly connected with dust screen of screw frame.
Further, the bottom of host computer shell inboard is provided with the mainboard, the top fixedly connected with heat dissipation base of mainboard, the top fixedly connected with cooling tube of heat dissipation base, the outside fixedly connected with fin of cooling tube.
Further, the right side of the air outlet pipe is mutually matched with the air outlet radiating holes, and the left side of the air outlet pipe is higher than the right side.
Further, the radiating pipe is made of copper, and cooling liquid is arranged on the inner side of the radiating pipe.
Further, the radiating fin is made of aluminum.
The utility model has the technical effects and advantages that:
according to the utility model, the backflow prevention frame is arranged, the hot air is guided through the inclined design of the air outlet pipe, so that the hot air backflow caused by external wind force is avoided, and meanwhile, due to the U-shaped design of the backflow prevention frame, hot air can be prevented from flowing back from a gap between the fan blade and the annular frame, the air inlet is designed to face the bottom, and the direction of the air inlet is opposite to that of the air outlet of the hot air, so that the hot air is prevented from flowing back into the inner cavity of the host shell from the air inlet.
According to the utility model, the dustproof net is arranged, so that the dustproof net plays a role in dust prevention, and the phenomenon that dust is accumulated on the surface of the radiating fin to influence the radiating efficiency is avoided.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a schematic view of a dust-proof net structure of the present utility model.
Fig. 3 is a schematic diagram of an air-out heat dissipation hole structure of the present utility model.
Fig. 4 is a schematic structural diagram of a heat dissipating assembly according to the present utility model.
Fig. 5 is a schematic view of a fan blade according to the present utility model.
FIG. 6 is a schematic view of a back flow preventing frame according to the present utility model.
The reference numerals are: 1. a host housing; 101. an air outlet pipe; 102. a fixed tube; 103. an air inlet pipe; 104. a thread frame; 105. a dust screen; 106. an air outlet heat dissipation hole; 107. air inlet and heat dissipation holes; 2. a main board; 201. a heat dissipation base; 202. a heat radiating pipe; 203. a heat sink; 3. a fixed frame; 301. an annular frame; 302. a connecting rod; 303. a motor; 304. a fan blade; 305. and a backflow prevention frame.
Detailed Description
The embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the present utility model, and the configurations of the structures described in the following embodiments are merely examples, and the heat-air backflow prevention structure of a radiator according to the present utility model is not limited to the structures described in the following embodiments, and all other embodiments obtained by a person skilled in the art without making any inventive effort are within the scope of the present utility model.
Referring to fig. 1-6, the utility model provides a heat-resistant air backflow structure of a radiator, which comprises a main machine shell 1, an air outlet heat radiation hole 106 is formed on the left side of the main machine shell 1, an air inlet heat radiation hole 107 is formed on the right side of the main machine shell 1, an air outlet pipe 101 is fixedly connected on the left side of the main machine shell 1, a fixed frame 3 is fixedly connected on the left side of the inner side of the main machine shell 1, an annular frame 301 is sleeved on the inner side of the fixed frame 3 in a threaded manner, a connecting rod 302 is fixedly connected on the inner side of the annular frame 301, a motor 303 is fixedly connected on the other end of the connecting rod 302, a fan blade 304 is fixedly connected on the output shaft of the motor 303, a backflow-resistant frame 305 is fixedly connected on the left side of the inner side of the fan blade 304, heat is generated by a chip of a main machine 2 in the use process of the main machine, the heat is transmitted to a heat radiation pipe 202 through a heat radiation base 201, and cooling liquid on the inner side of the heat radiation pipe 202 absorbs the heat to evaporate into gas, rising to the top of the radiating pipe 202 and then being transferred to the radiating fin 203, leading to the temperature rise of the radiating fin 203, then condensing and refluxing the cooling liquid, circulating, the higher the temperature of the radiating fin 203 is, the larger the temperature difference between the radiating fin 203 and the surrounding air is, the higher the heat transfer efficiency is, the easier the heat is radiated into the air, the chip working temperature of the main board 2 is ensured to be lower than the dangerous temperature, the radiator transfers the heat to the air by convection, the larger the surface area of the radiating fin 203 is, the more the part which can be contacted with the air to generate convection is, the fan blades 304 are driven by the motor 303 to accelerate the circulation of the air, thereby increasing the air convection, thereby increasing the radiating efficiency, the density of the hot air is low, the inclined design of the air outlet pipe 101 has the flow guiding effect on the hot air, the hot air backflow caused by the outside wind force is avoided, meanwhile, the U-shaped design of the backflow preventing frame 305 is adopted, the backflow of hot air from the gap between the fan blade 304 and the annular frame 301 can be avoided.
In a preferred embodiment, the right side fixedly connected with fixed pipe 102 of host computer shell 1, the bottom fixedly connected with air-supply line 103 of fixed pipe 102, the bottom screw thread of the outside of air-supply line 103 has cup jointed screw thread frame 104, the inboard fixedly connected with dust screen 105 of screw thread frame 104, the air intake designs to towards the bottom, opposite with the air outlet direction of hot air, avoid hot air to flow back into the inner chamber of host computer shell 1 from the air intake, dust screen 105 plays dirt-proof effect, avoid the dust to pile up at the surface of fin 203 and influence radiating efficiency.
In a preferred embodiment, the bottom of the inner side of the host housing 1 is provided with a main board 2, the top of the main board 2 is fixedly connected with a heat dissipation base 201, the top of the heat dissipation base 201 is fixedly connected with a heat dissipation tube 202, the outer side of the heat dissipation tube 202 is fixedly connected with a heat dissipation fin 203, the chip of the main board 2 generates heat, the heat is transferred to the heat dissipation tube 202 through the heat dissipation base 201, the cooling liquid in the inner side of the heat dissipation tube 202 absorbs the heat and evaporates into gas, and rises to the top of the heat dissipation tube 202 and then is transferred to the heat dissipation fin 203, so that the temperature difference between the heat dissipation fin 203 and the surrounding air is larger, the heat transfer efficiency is higher, and the heat is easier to be dissipated into the air.
In a preferred embodiment, the right side of the air outlet pipe 101 is mutually matched with the air outlet heat dissipation hole 106, and the left side of the air outlet pipe 101 is higher than the right side, so that the hot air is guided, and backflow caused by external wind force is avoided.
In a preferred embodiment, the radiating pipe 202 is made of copper, the inner side of the radiating pipe 202 is provided with cooling liquid and powder-shaped sintered walls with tiny holes, the cooling liquid on the inner side of the radiating pipe 202 absorbs heat to evaporate into gas, rises to the top of the radiating pipe 202 and then is transferred to the radiating fins 203, so that the radiating fins 203 are heated, and then the cooling liquid is condensed and flows back.
In a preferred embodiment, the heat sink 203 is made of aluminum, and has the characteristics of low cost, high thermal conductivity, good ductility, and convenient processing and heat dissipation.
The working principle of the utility model is as follows: in the using process of the host machine, the chip of the main board 2 can generate heat, the heat is transferred to the radiating pipe 202 through the radiating base 201, the cooling liquid at the inner side of the radiating pipe 202 absorbs the heat to evaporate into gas, the gas rises to the top of the radiating pipe 202 and then is transferred to the radiating fin 203, the temperature of the radiating fin 203 is raised, then the cooling liquid is condensed and flows back, the circulation is carried out, the higher the temperature of the radiating fin 203 is, the larger the temperature difference between the radiating fin 203 and the surrounding air is, the higher the heat transfer efficiency is, the easier the heat is emitted into the air, the chip working temperature of the main board 2 is ensured to be lower than the dangerous temperature, the radiator transfers the heat to the air by convection, the larger the surface area of the radiating fin 203 is, the more the part that can produce convection current with air contact is just, drive the flabellum 304 through motor 303 and can accelerate the circulation of air, thereby increase air convection, thereby increase radiating efficiency, the density of hot air is low, through the slope design of play tuber pipe 101, play the effect of water conservancy diversion to hot air, avoid external wind-force to lead to hot air backward flow, the U type design of anti-return frame 305 simultaneously can avoid hot-blast from the gap between flabellum 304 and the annular frame 301 backward flow, the air intake design is towards the bottom, opposite with the air outlet direction of hot air, avoid hot air to follow the air intake backward flow to advance the inner chamber of host computer shell 1, dust screen 105 plays dirt-proof effect, avoid the dust to pile up the surface at fin 203 to influence radiating efficiency.
Claims (6)
1. The utility model provides a heat radiator anti-hot wind backward flow structure, includes host computer shell (1), its characterized in that: air-out louvre (106) have been seted up in the left side of host computer shell (1), air inlet louvre (107) have been seted up on the right side of host computer shell (1), the left side fixedly connected with of host computer shell (1) goes out tuber pipe (101), the inboard left side fixedly connected with fixed frame (3) of host computer shell (1), annular frame (301) have been cup jointed to the inboard screw thread of fixed frame (3), the inboard fixedly connected with connecting rod (302) of annular frame (301), the other end fixedly connected with motor (303) of connecting rod (302), the output shaft fixedly connected with flabellum (304) of motor (303), the inboard left side fixedly connected with backflow prevention frame (305) of flabellum (304).
2. The heat sink heat wind backflow preventing structure according to claim 1, wherein: the right side fixedly connected with fixed pipe (102) of host computer shell (1), the bottom fixedly connected with air-supply line (103) of fixed pipe (102), threaded frame (104) have been cup jointed to the bottom screw thread in the outside of air-supply line (103), the inboard fixedly connected with dust screen (105) of threaded frame (104).
3. The heat sink heat wind backflow preventing structure according to claim 1, wherein: the novel heat dissipation device is characterized in that a main board (2) is arranged at the bottom of the inner side of the host shell (1), a heat dissipation base (201) is fixedly connected to the top of the main board (2), a heat dissipation pipe (202) is fixedly connected to the top of the heat dissipation base (201), and a heat dissipation fin (203) is fixedly connected to the outer side of the heat dissipation pipe (202).
4. The heat sink heat wind backflow preventing structure according to claim 1, wherein: the right side of the air outlet pipe (101) is mutually matched with the air outlet radiating holes (106), and the left side of the air outlet pipe (101) is higher than the right side.
5. A heat sink heat wind backflow preventing structure according to claim 3, wherein: the radiating pipe (202) is made of copper, and cooling liquid is arranged on the inner side of the radiating pipe (202).
6. A heat sink heat wind backflow preventing structure according to claim 3, wherein: the heat sink (203) is made of aluminum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323211038.7U CN221125189U (en) | 2023-11-28 | 2023-11-28 | Heat-wind backflow prevention structure of radiator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323211038.7U CN221125189U (en) | 2023-11-28 | 2023-11-28 | Heat-wind backflow prevention structure of radiator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221125189U true CN221125189U (en) | 2024-06-11 |
Family
ID=91370141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323211038.7U Active CN221125189U (en) | 2023-11-28 | 2023-11-28 | Heat-wind backflow prevention structure of radiator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221125189U (en) |
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2023
- 2023-11-28 CN CN202323211038.7U patent/CN221125189U/en active Active
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