CN219831600U - Heat abstractor and projecting apparatus - Google Patents
Heat abstractor and projecting apparatus Download PDFInfo
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- CN219831600U CN219831600U CN202320996341.3U CN202320996341U CN219831600U CN 219831600 U CN219831600 U CN 219831600U CN 202320996341 U CN202320996341 U CN 202320996341U CN 219831600 U CN219831600 U CN 219831600U
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- 238000009434 installation Methods 0.000 claims abstract description 43
- 230000017525 heat dissipation Effects 0.000 claims abstract description 39
- 238000005485 electric heating Methods 0.000 claims abstract description 21
- 238000005192 partition Methods 0.000 claims description 16
- 238000001816 cooling Methods 0.000 claims description 10
- 230000000694 effects Effects 0.000 abstract description 7
- 230000005855 radiation Effects 0.000 description 7
- 230000002349 favourable effect Effects 0.000 description 6
- 230000003287 optical effect Effects 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000191 radiation effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Abstract
The utility model belongs to the field of projector heat dissipation, and particularly provides a heat dissipation device and a projector, wherein the heat dissipation device comprises a thermoelectric cooler, a main heat dissipation fan and an auxiliary heat dissipation fan, the thermoelectric cooler comprises an electric heating arm set, and a hot end heat exchange assembly and a cold end heat exchange assembly which are arranged on two sides of the electric heating arm set; the main heat dissipation fan comprises a first air inlet and a first air outlet, the cold end heat exchange assembly is arranged at the first air inlet, air enters the main heat dissipation fan from the first air inlet after passing through the cold end heat exchange assembly, and the first air outlet is communicated with the heat source device installation space; the auxiliary heat dissipation fan is arranged on one side of the hot end heat exchange assembly and used for driving air to pass through the hot end heat exchange assembly, the air inlet side of the hot end heat exchange assembly is adjacent to the air inlet side of the cold end heat exchange assembly, and the air outlet side of the hot end heat exchange assembly is positioned at one end far away from the air inlet side of the hot end heat exchange assembly. The projector comprises the heat dissipating device and the heat source device mounting space. The heat dissipation effect of the heat source device installation space can be effectively improved through the design.
Description
Technical Field
The utility model belongs to the technical field of projector heat dissipation, and particularly relates to a heat dissipation device and a projector.
Background
The existing projector basically adopts normal-temperature air cooling in design, and particularly, normal-temperature air flow is delivered to heating devices such as an optical lens and a display element, so that heat is taken away, and the working temperature of the heating device of the projector is within a controllable range.
The higher the luminous flux of the projector is, the more heat of the optical lens and the display element is increased, at this time, if the volume of the projector cannot be increased synchronously, the air flow blowing through the optical lens and the display element needs to be increased in the heat dissipation process, so that more heat is taken away, otherwise, the working temperature of the projector is too high, and only the frequency reduction work can be performed at that time, so that the performance of the whole projector is greatly affected. Increasing the air flow rate tends to require an increase in the air flow rate of the blower, i.e., the rotational speed of the blower is pulled up, and thus the noise increases, which reduces the competitiveness and practicality of the product.
Disclosure of Invention
The utility model aims to provide a heat dissipating device, which solves the problem that in the prior art, in order to improve the heat dissipating effect of a heating device, the air flow rate has to be increased by pulling up the rotating speed of a fan.
Another object of the present utility model is to provide a projector, which solves the problem in the prior art that the air flow rate has to be increased by increasing the rotation speed of the blower in order to increase the heat dissipation effect of the heat generating device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
in one aspect, there is provided a heat dissipating device comprising:
the thermoelectric cooler comprises an electric heating arm group, and a hot end heat exchange assembly and a cold end heat exchange assembly which are arranged on two sides of the electric heating arm group;
the main heat dissipation fan comprises a first air inlet and a first air outlet, the cold end heat exchange assembly is arranged at the first air inlet, air enters the main heat dissipation fan from the first air inlet after passing through the cold end heat exchange assembly, and the first air outlet is communicated with the heat source device installation space;
the auxiliary heat dissipation fan is arranged on one side of the hot end heat exchange assembly and used for driving air to pass through the hot end heat exchange assembly, the air inlet side of the hot end heat exchange assembly is adjacent to the air inlet side of the cold end heat exchange assembly, and the air outlet side of the hot end heat exchange assembly is located at one end far away from the air inlet side of the hot end heat exchange assembly.
Specifically, the air inlet side of the hot end heat exchange assembly and the air inlet side of the cold end heat exchange assembly are arranged at adjacent positions, and the air outlet side of the hot end heat exchange assembly is arranged at one end far away from the air inlet side of the hot end heat exchange assembly, so that the design ensures that the air inlet side of the cold end heat exchange assembly and the air outlet side of the hot end heat exchange assembly are in relatively far away areas, high-temperature air discharged from the hot end heat exchange assembly can be effectively prevented from directly entering the cold end heat exchange assembly, the air entering the cold end heat exchange assembly is ensured to be relatively low-temperature or normal-temperature conventional air, the workload of the cold end heat exchange assembly is further reduced, and therefore the first air outlet of the main heat dissipation fan can more reliably discharge low-temperature air, and the heat dissipation effect on the installation space of a heat source device is effectively improved; secondly, the design makes the hot end heat exchange assembly with the hot end heat exchange assembly's air inlet air current direction is the same, helps the directional flow of air, and then has improved the efficiency that the air flows, makes main cooling fan with assist cooling fan under conventional operating rotation speed, can drive more air get into cold end heat exchange assembly with hot end heat exchange assembly, and then help improving heat exchange efficiency.
As a preferred technical scheme, the heat dissipating device further comprises a housing, the thermoelectric cooler is mounted on the housing, the cold end heat exchange assembly is located inside the housing, the hot end heat exchange assembly is located outside the housing, and the housing is provided with an opening located at one end far away from the air outlet side of the hot end heat exchange assembly.
Specifically, through setting up the casing, and will the opening sets up in keeping away from the one end of the air-out side of hot junction heat exchange assembly, can more reliably avoid hot junction heat exchange assembly exhaust high temperature air directly gets into cold junction heat exchange assembly, and then do benefit to first air outlet can discharge the air of lower temperature.
As a preferred technical scheme, the heat dissipating device further comprises an air duct, one end of the air duct is connected with the first air outlet, and the other end of the air duct is communicated with the heat source device installation space.
Specifically, through setting up the wind channel, can be to first air outlet exhaust low temperature air carries out the drainage, makes the positional relationship between heat source device installation space and the heat abstractor more nimble, is favorable to overall structure's overall arrangement and space make full use of.
As a preferable technical scheme, the air duct is fixed on the shell, and one end of the air duct, which is far away from the first air outlet, is located outside the shell.
Specifically, through will the wind channel is kept away from the one end setting of first air outlet is in the outside of casing, can effectively keep apart main cooling fan with heat source device installation space avoids the air direct blowing that does not cool down to heat source device installation space, and then guarantee more reliably the radiating effect in the heat source device installation space.
Preferably, a first abdication port and a second abdication port are arranged on the shell in parallel, the thermoelectric cooler penetrates through the first abdication port, and the air duct penetrates through the second abdication port.
As a preferable technical scheme, the auxiliary heat radiation fan is arranged at one end, far away from the opening, of the hot end heat exchange assembly, and the auxiliary heat radiation fan is an axial flow fan.
Specifically, by arranging the axial flow fan, the air inlet side and the air outlet side of the hot end heat exchange assembly are on the same straight line, and the hot end heat exchange assembly can more effectively exhaust high-temperature air away from the air inlet side of the hot end heat exchange assembly.
As a preferable technical scheme, the main heat dissipation fan is a centrifugal fan, and the first air inlet and the first air outlet are distributed at 90 degrees.
Specifically, through setting up centrifugal fan, make first air intake with first air outlet forms 90 degrees and distributes, is favorable to overall structure compacter.
As a preferable technical scheme, the hot end heat exchange assembly is parallel to the heat source device installation space, a first partition plate is arranged outside the shell, and the first partition plate is positioned between the hot end heat exchange assembly and the heat source device installation space.
Specifically, through setting up first baffle can the separation the higher temperature air of hot junction heat exchange component place region gets into heat source device installation space, and then guarantee follow wind channel exhaust low temperature air can be right heat source device installation space is cooled down more effectively.
As a preferable technical scheme, the outside of the housing is provided with a second partition plate, the second partition plate is disposed at a side of the housing away from the opening, and the second partition plate is connected with the first partition plate, and the first partition plate and the second partition plate surround adjacent two sides of the heat source device mounting space.
Specifically, through setting up with the second baffle that first baffle is connected, can further keep apart the hot junction heat exchange module with heat source device installation space avoids the higher temperature air of hot junction heat exchange module place region gets into heat source device installation space, and then guarantee follow wind channel exhaust low temperature air can be right heat source device installation space is cooled down more effectively.
As a preferable technical scheme, the hot-end heat exchange component comprises a hot-end heat conducting plate and a hot-end radiating fin, wherein the hot-end heat conducting plate is attached to the electric heating arm group, and the hot-end radiating fin is arranged on one side of the hot-end heat conducting plate away from the electric heating arm group;
and/or, the cold-end heat exchange assembly comprises a cold-end heat conducting plate and a cold-end radiating fin, the cold-end heat conducting plate is attached to the electric heating arm group, and the cold-end radiating fin is arranged on one side, away from the electric heating arm group, of the cold-end heat conducting plate.
In another aspect, a projector is provided, which includes a heat source device mounting space for mounting at least part of a heat generating device of the projector, and the heat dissipating device is used for dissipating heat from the heat source device mounting space.
Specifically, the thermoelectric cooler is adopted to cool the air entering the heat source device installation space in advance, namely, the air inlet temperature of the heat source device installation space is actively controlled within a certain range, on one hand, the influence of the external environment temperature can be effectively reduced, the fan of the heat radiating device is ensured to work under higher power under the normal working rotating speed, on the other hand, the fan can still be kept at a relatively low rotating speed under the condition that the optical lens, the display element and the like of the projector work under full power, the increase amplitude of noise is reduced, and the noise is kept in a relatively low section. On the other hand, the process of reducing the temperature of the air in advance is beneficial to breaking through the use limitation of the projector in high-altitude and high-temperature environments and expanding the use scene and universality of the projector.
The heat dissipation device and the projector provided by the utility model have the beneficial effects that:
firstly, through setting the air inlet side of the hot end heat exchange assembly and the air inlet side of the cold end heat exchange assembly at adjacent positions, and setting the air outlet side of the hot end heat exchange assembly at one end far away from the air inlet side of the hot end heat exchange assembly, firstly, the design ensures that the air inlet side of the cold end heat exchange assembly and the air outlet side of the hot end heat exchange assembly are in relatively far away areas, high-temperature air discharged from the hot end heat exchange assembly can be effectively prevented from directly entering the cold end heat exchange assembly, the air entering the cold end heat exchange assembly is ensured to be relatively low-temperature or normal-temperature conventional air, and further the work load of the cold end heat exchange assembly is reduced, so that the first air outlet of the main heat dissipation fan can more reliably discharge low-temperature air, and the heat dissipation effect on the installation space of a heat source device is effectively improved; secondly, the design makes the hot end heat exchange assembly with the hot end heat exchange assembly's air inlet air current direction is the same, helps the directional flow of air, and then has improved the efficiency that the air flows, makes main cooling fan with assist cooling fan under conventional operating rotation speed, can drive more air get into cold end heat exchange assembly with hot end heat exchange assembly, and then help improving heat exchange efficiency.
Secondly, the thermoelectric cooler is adopted in the projector to cool down the air entering the heat source device installation space in advance, namely, the air inlet temperature of the heat source device installation space is actively controlled within a certain range, on one hand, the influence of the external environment temperature can be effectively reduced, the fan of the heat radiating device is ensured to work at higher power under the normal working rotating speed, and on the other hand, the fan can still be kept at relatively lower rotating speed under the condition that the optical lens, the display element and the like of the projector work at full power, the noise increasing amplitude is reduced, and the noise is kept at a relatively lower interval. On the other hand, the process of reducing the temperature of the air in advance is beneficial to breaking through the use limitation of the projector in high-altitude and high-temperature environments and expanding the use scene and universality of the projector.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic perspective view of a heat dissipating device according to an embodiment of the present utility model;
fig. 2 is an exploded schematic view of a heat dissipating device according to an embodiment of the present utility model.
Wherein, each reference sign in the figure:
1. a thermoelectric cooler; 11. an electric heating arm group; 12. a hot end heat exchange assembly; 121. a hot side heat conductive plate; 122. a hot side heat sink; 13. a cold end heat exchange assembly; 131. a cold end heat conducting plate; 132. cold end radiating fin;
2. a main heat radiation fan; 21. a first air inlet; 22. a first air outlet;
3. an auxiliary heat radiation fan;
4. a housing; 41. an opening; 42. a first relief port; 43. a second relief port;
5. an air duct;
6. a first separator.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Embodiment one:
as shown in fig. 1 and 2, the heat dissipation device comprises a thermoelectric cooler 1, a main heat dissipation fan 2 and an auxiliary heat dissipation fan 3, wherein the thermoelectric cooler 1 comprises an electric heating arm set 11, and a hot end heat exchange component 12 and a cold end heat exchange component 13 which are arranged at two sides of the electric heating arm set 11; the main heat dissipation fan 2 comprises a first air inlet 21 and a first air outlet 22, the cold end heat exchange assembly is arranged at the first air inlet 21, air enters the main heat dissipation fan 2 from the first air inlet 21 after passing through the cold end heat exchange assembly, and the first air outlet 22 is communicated with the heat source device installation space; the auxiliary heat dissipation fan 3 is arranged on one side of the hot end heat exchange assembly 12 and is used for driving air to pass through the hot end heat exchange assembly 12, the air inlet side of the hot end heat exchange assembly 12 is adjacent to the air inlet side of the cold end heat exchange assembly 13, and the air outlet side of the hot end heat exchange assembly 12 is positioned at one end far away from the air inlet side of the hot end heat exchange assembly 12.
Specifically, by arranging the air inlet side of the hot-side heat exchange component 12 and the air inlet side of the cold-side heat exchange component 13 at adjacent positions, and arranging the air outlet side of the hot-side heat exchange component 12 at one end far away from the air inlet side of the hot-side heat exchange component 12, firstly, such design ensures that the air inlet side of the cold-side heat exchange component 13 and the air outlet side of the hot-side heat exchange component 12 are in relatively far away areas, high-temperature air discharged from the hot-side heat exchange component 12 can be effectively prevented from directly entering the cold-side heat exchange component 13, and the air entering the cold-side heat exchange component 13 is ensured to be relatively low-temperature or normal-temperature normal air, so that the workload of the cold-side heat exchange component 13 is reduced, and the first air outlet 22 of the main heat radiation fan 2 can more reliably discharge low-temperature air, and effectively improve the heat radiation effect on the installation space of a heat source device; secondly, the design makes the air inlet air flow direction of the hot end heat exchange component 12 and the cold end heat exchange component 13 the same, and is favorable for the directional flow of air, and then improves the efficiency of air flow, and makes the main heat radiation fan 2 and the auxiliary heat radiation fan 3 under the conventional working rotation speed, and can drive more air to enter the cold end heat exchange component 13 and the hot end heat exchange component 12, and then is favorable for improving the heat exchange efficiency.
In one embodiment, the heat dissipating device further comprises a housing 4, the thermoelectric cooler 1 is mounted to the housing 4, and the cold side heat exchange assembly 13 is located inside the housing 4, the hot side heat exchange assembly 12 is located outside the housing 4, the housing 4 is provided with an opening 41, and the opening 41 is located at an end far from the air outlet side of the hot side heat exchange assembly 12. Specifically, through setting up casing 4, and set up opening 41 in the one end of keeping away from the air-out side of hot junction heat exchange assembly 12, can avoid hot junction heat exchange assembly 12 exhaust high temperature air directly to get into cold junction heat exchange assembly 13 more reliably, and then do benefit to first air outlet 22 can discharge the air of lower temperature more.
In one embodiment, the heat dissipating device further includes an air duct 5, one end of the air duct 5 is connected to the first air outlet 22, and the other end of the air duct 5 is communicated with the heat source device installation space. The air duct 5 is fixed to the housing 4, and an end of the air duct 5 away from the first air outlet 22 is located outside the housing 4. Specifically, through setting up wind channel 5, can carry out the drainage to first air outlet 22 exhaust low temperature air, make the positional relationship between heat source device installation space and the heat abstractor more nimble, be favorable to overall structure's overall arrangement and space make full use of. In addition, through setting up the one end that wind channel 5 was kept away from first air outlet 22 in the outside of casing 4, can effectively keep apart main radiator fan 2 and heat source device installation space, avoid not cooling the air and directly blow to heat source device installation space, and then guarantee the radiating effect in the heat source device installation space more reliably.
Further, the casing 4 is cuboid, the opening 41 sets up in one of them side of casing 4, the top of casing 4 has set up first hole 42 and the second hole 43 of stepping down side by side, thermoelectric cooler 1 sets up the left side on casing 4, thermoelectric cooler 1 runs through first hole 42 of stepping down, the heat source device installation space is located the top on the right side of casing 4, wind channel 5 is L shape, and the department of bending of L shape is the arc bending transition, wind channel 5 runs through second hole 43 of stepping down. The cross section of the air duct 5 is square or rectangular, and the cross section and the size of the air duct 5 are the same as those of the first air outlet 22.
Further, the main cooling fan 2 is arranged at the left side of the inside of the shell 4 and is positioned below the thermoelectric cooler 1, the first air inlet 21 is opened upwards, and the cold end heat exchange component is covered above the first air inlet 21.
In one embodiment, the auxiliary heat dissipation fan 3 is disposed at an end of the hot side heat exchange assembly 12 away from the opening 41, and the auxiliary heat dissipation fan 3 is an axial flow fan. The main cooling fan 2 is a centrifugal fan, and the first air inlet 21 and the first air outlet 22 are distributed at 90 degrees. Specifically, on the one hand, by setting the axial flow fan, the air inlet side and the air outlet side of the hot end heat exchange component 12 are on the same straight line, so that the hot end heat exchange component 12 can more effectively exhaust high-temperature air away from the air inlet side of the hot end heat exchange component 12. On the other hand, through setting up centrifugal fan, make first air intake 21 and first air outlet 22 form 90 degrees and distribute, be favorable to overall structure compacter.
In one embodiment, the hot side heat exchange assembly 12 is juxtaposed with the heat source device mounting space, and the housing 4 is provided with a first baffle 6 on the exterior thereof, the first baffle 6 being located between the hot side heat exchange assembly 12 and the heat source device mounting space. Specifically, by arranging the first partition plate 6, higher-temperature air in the area where the hot end heat exchange component 12 is located can be prevented from entering the heat source device installation space, and further, low-temperature air exhausted from the air duct 5 can be guaranteed to cool the heat source device installation space more effectively.
In one embodiment, the outside of the housing 4 is provided with a second partition provided on a side of the housing 4 remote from the opening 41, and the second partition is connected with the first partition 6, and the first partition 6 and the second partition are surrounded on adjacent sides of the heat source device mounting space. Specifically, through setting up the second baffle of being connected with first baffle 6, can further keep apart hot junction heat exchange assembly 12 and heat source device installation space, avoid hot junction heat exchange assembly 12 regional higher temperature air to get into heat source device installation space, and then guarantee from wind channel 5 exhaust low temperature air can cool down heat source device installation space more effectively.
In one embodiment, the hot side heat exchange assembly 12 includes a hot side heat conducting plate 121 and a hot side heat radiating fin 122, wherein the hot side heat conducting plate 121 is attached to the electric heating arm set 11, and the hot side heat radiating fin 122 is disposed at a side of the hot side heat conducting plate 121 away from the electric heating arm set 11. The cold-end heat exchange assembly 13 comprises a cold-end heat conducting plate 131 and cold-end radiating fins 132, wherein the cold-end heat conducting plate 131 is attached to the electric heating arm set 11, and the cold-end radiating fins 132 are arranged on one side, far away from the electric heating arm set 11, of the cold-end heat conducting plate 131.
Further, the overall shape of the hot-end heat sink 122 is a cube, and the auxiliary heat dissipation fan 3 is mounted on one side of the hot-end heat sink 122 away from the opening 41 of the housing 4. Specifically, the hot-end heat sink 122 is configured as a cube, so that sufficient space can be ensured for the auxiliary heat dissipation fan 3 to be mounted on the side surface of the hot-end heat sink 122.
Embodiment two:
the present embodiment provides a projector, which includes a heat source device installation space for installing at least part of a heat generating device of the projector, and a heat dissipating device of the first embodiment, the heat dissipating device being for dissipating heat from the heat source device installation space. Specifically, the thermoelectric cooler 1 is adopted to cool the air entering the heat source device installation space in advance, namely, the air inlet temperature of the heat source device installation space is actively controlled within a certain range, on one hand, the influence of the external environment temperature can be effectively reduced, the fan of the heat radiating device can be ensured to work at higher power under the normal working rotating speed, on the other hand, the fan can still be kept at relatively lower rotating speed under the condition that the optical lens, the display element and the like of the projector work at full power, the increase amplitude of noise is reduced, and the noise is kept in a relatively lower section. On the other hand, the process of reducing the temperature of the air in advance is beneficial to breaking through the use limitation of the projector in high-altitude and high-temperature environments and expanding the use scene and universality of the projector.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (10)
1. A heat sink, characterized in that: comprising
The thermoelectric cooler comprises an electric heating arm group, and a hot end heat exchange assembly and a cold end heat exchange assembly which are arranged on two sides of the electric heating arm group;
the main heat dissipation fan comprises a first air inlet and a first air outlet, the cold end heat exchange assembly is arranged at the first air inlet, air enters the main heat dissipation fan from the first air inlet after passing through the cold end heat exchange assembly, and the first air outlet is communicated with the heat source device installation space;
the auxiliary heat dissipation fan is arranged on one side of the hot end heat exchange assembly and used for driving air to pass through the hot end heat exchange assembly, the air inlet side of the hot end heat exchange assembly is adjacent to the air inlet side of the cold end heat exchange assembly, and the air outlet side of the hot end heat exchange assembly is located at one end far away from the air inlet side of the hot end heat exchange assembly.
2. A heat sink as defined in claim 1, wherein: the heat dissipation device further comprises a shell, the thermoelectric cooler is mounted in the shell, the cold end heat exchange assembly is located in the shell, the hot end heat exchange assembly is located outside the shell, the shell is provided with an opening, and the opening is located at one end far away from the air outlet side of the hot end heat exchange assembly.
3. A heat sink as defined in claim 2, wherein: the heat dissipation device further comprises an air channel, one end of the air channel is connected with the first air outlet, and the other end of the air channel is communicated with the heat source device installation space.
4. A heat sink as claimed in claim 3, wherein: the air duct is fixed to the shell, and one end, away from the first air outlet, of the air duct is located outside the shell.
5. A heat sink as defined in claim 2, wherein: the auxiliary heat dissipation fan is arranged at one end, far away from the opening, of the hot end heat exchange assembly, and the auxiliary heat dissipation fan is an axial flow fan.
6. A heat sink as defined in claim 1, wherein: the main cooling fan is a centrifugal fan, and the first air inlet and the first air outlet are distributed at 90 degrees.
7. A heat sink as defined in claim 2, wherein: the hot end heat exchange assembly is parallel to the heat source device installation space, a first partition plate is arranged outside the shell, and the first partition plate is located between the hot end heat exchange assembly and the heat source device installation space.
8. A heat sink as defined in claim 7, wherein: the outside of casing is provided with the second baffle, the second baffle sets up the casing is kept away from the one side of opening, just the second baffle with first baffle is connected, first baffle with the second baffle centers on the adjacent both sides in heat source device installation space.
9. A heat sink according to any one of claims 1 to 8, wherein: the hot end heat exchange assembly comprises a hot end heat conduction plate and a hot end radiating fin, the hot end heat conduction plate is attached to the electric heating arm set, and the hot end radiating fin is arranged on one side of the hot end heat conduction plate away from the electric heating arm set;
and/or, the cold-end heat exchange assembly comprises a cold-end heat conducting plate and a cold-end radiating fin, the cold-end heat conducting plate is attached to the electric heating arm group, and the cold-end radiating fin is arranged on one side, away from the electric heating arm group, of the cold-end heat conducting plate.
10. A projector, characterized in that: comprising a heat source device mounting space for mounting at least part of a heat generating device of a projector, the projector further comprising a heat dissipating device as claimed in any one of claims 1 to 9 for dissipating heat from the heat source device mounting space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320996341.3U CN219831600U (en) | 2023-04-23 | 2023-04-23 | Heat abstractor and projecting apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320996341.3U CN219831600U (en) | 2023-04-23 | 2023-04-23 | Heat abstractor and projecting apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219831600U true CN219831600U (en) | 2023-10-13 |
Family
ID=88280945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320996341.3U Active CN219831600U (en) | 2023-04-23 | 2023-04-23 | Heat abstractor and projecting apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219831600U (en) |
-
2023
- 2023-04-23 CN CN202320996341.3U patent/CN219831600U/en active Active
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