CN215769316U - Heat dissipation mechanism and projector - Google Patents
Heat dissipation mechanism and projector Download PDFInfo
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- CN215769316U CN215769316U CN202122156871.0U CN202122156871U CN215769316U CN 215769316 U CN215769316 U CN 215769316U CN 202122156871 U CN202122156871 U CN 202122156871U CN 215769316 U CN215769316 U CN 215769316U
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- air outlet
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Abstract
The utility model relates to the technical field of projection equipment, and particularly provides a heat dissipation mechanism and a projector. The heat dissipation mechanism is arranged in the shell and comprises a fan and a heat conduction assembly, one end of the heat conduction assembly is connected with the side part of the optical machine, and the other end of the heat conduction assembly is positioned at the air outlet of the fan and is opposite to the air outlet; the optical machine and the main control circuit board are positioned on one side of the air inlet; the shell is provided with a first ventilation opening and a second ventilation opening opposite to the air outlet, and air flow formed between the first ventilation opening and the air inlet passes through the optical machine and the main control circuit board. Like this, utilize the heat conduction subassembly to derive the heat conduction that the light source during operation of ray apparatus produced, combine the fan to form the wind current in the casing again, take out the heat on main control circuit board, ray apparatus and the heat conduction subassembly is whole, need not to increase the power of fan, and the noise is little, and the radiating effect is good, improves the user experience nature to its use.
Description
Technical Field
The utility model belongs to the technical field of projection equipment, and particularly relates to a heat dissipation mechanism and a projector.
Background
Projectors are used in an increasing number of applications, such as school classrooms, corporate meetings, etc. At present, the heat dissipation of the projector on the market is mainly in a mode of single pumping or single blowing of a fan, the part with large heat generation quantity in the projector is a light source and a main control circuit board, and the wind power of the fan needs to be increased to effectively dissipate heat aiming at the two parts with large heat generation quantity, so that the mechanical noise of the fan is increased, the fan can work in a high-temperature environment for a long time, the service life of the fan can be greatly prolonged, and the use experience of a user is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a heat dissipation mechanism and a projector, and aims to solve the technical problems that in the prior art, the use requirement of the projector is difficult to meet only by using a fan for heat dissipation, the integral mechanical noise of the projector is increased, the fan works in a high-temperature environment for a long time, the service life of the projector is greatly shortened, and the use experience of a user is reduced.
In order to achieve the purpose, the utility model adopts the technical scheme that: the utility model provides a heat dissipation mechanism, it is located the casing of projecting apparatus for generate heat the piece and dispel the heat in the casing, generate heat the piece and include ray apparatus and master control circuit board, the ray apparatus with master control circuit board control connection. The heat dissipation mechanism comprises a fan and a heat conduction assembly, the fan is provided with an air inlet and an air outlet opposite to the air inlet, one end of the heat conduction assembly is connected with the optical machine, and the other end of the heat conduction assembly is positioned at the air outlet of the fan and opposite to the air outlet; the optical machine and the main control circuit board are positioned on one side of the air inlet; the shell is provided with a first ventilation opening opposite to the air inlet and a second ventilation opening opposite to the air outlet, and air flow formed between the first ventilation opening and the air inlet passes through the optical machine and the main control circuit board.
Furthermore, the heat conducting assembly comprises a heat dissipation group, at least one heat conducting substrate and at least one heat conducting piece, wherein the heat conducting substrates are arranged on the periphery of the optical machine, one end of each heat conducting piece is fixed on one heat conducting substrate, the other end of each heat conducting piece is connected with the heat dissipation group, and the heat dissipation group is located between the air outlet and the second air outlet.
Preferably, the heat dissipation assembly has a plurality of air channels, and two openings of each air channel are respectively opposite to the air outlet and the second air outlet.
Specifically, the heat dissipation group comprises a plurality of heat dissipation fins stacked together, and the ventilation channel is arranged between any two adjacent heat dissipation fins.
Furthermore, the end part of each heat conducting piece far away from the heat conducting substrate transversely penetrates through each heat radiating fin;
or the end part of each heat conducting piece far away from the heat conducting substrate is transversely fixed on the side part of each radiating fin.
Furthermore, the heat dissipation assembly further comprises at least one fixing piece, the side edge of each heat dissipation fin is fixed on each fixing piece, and the stacking direction of each heat dissipation fin is the same as the length direction of each fixing piece.
Furthermore, the heat dissipation mechanism further comprises at least one heat dissipation member, each heat dissipation member comprises a heat dissipation substrate and a plurality of heat dissipation fins, one side of each heat dissipation fin is fixed on the board surface of the heat dissipation substrate and is arranged at intervals, and the heat dissipation substrate is fixed on the side part of the optical machine.
Further, heat dissipation mechanism still includes the mounting bracket, the mounting bracket is fixed in the casing, the mounting bracket have the installation cavity and with first opening and the second opening of installation cavity intercommunication, the fan is fixed in the installation cavity, the air intake with first opening is relative, the air outlet with the second opening is relative, the ray apparatus is fixed in on the mounting bracket, and be located on the first opening.
Further, the mounting bracket still has mounting groove and third opening, the second opening with the third opening is located respectively the relative both sides wall of mounting groove, the heat dissipation group is located in the mounting groove, the third opening with the second ventilation opening is relative.
The utility model also provides a projector which comprises the heat dissipation mechanism.
The heat dissipation mechanism and the projector provided by the utility model have the beneficial effects that: the projector mainly comprises a light machine and a main control circuit board, wherein the light machine mainly generates heat and is provided with a light source emitting different color lights and a chip used for receiving the color lights and integrating and emitting the color lights to a projection incident end of the projection lens, and the chip is electrically connected with the main control circuit board. The heat dissipation mechanism is arranged in a shell of the projector and specifically comprises a fan and a heat conduction assembly, wherein the fan is provided with an air inlet and an air outlet, one end part of the heat conduction assembly is connected with a light source of the optical machine, and the other end part of the heat conduction assembly is positioned at the air outlet of the fan and is opposite to the air outlet so as to conduct heat generated by the light source out; the optical machine and the main control circuit board are positioned on one side of the air inlet; the shell is provided with a first ventilation opening opposite to the air inlet and a second ventilation opening opposite to the air outlet, and air flow formed between the first ventilation opening and the air inlet passes through the optical machine and the main control circuit board. Like this, utilize the heat conduction subassembly to derive the heat conduction that the light source during operation of ray apparatus produced, reunion fan forms the wind current in the casing, take out the heat on main control circuit board, ray apparatus and the heat conduction subassembly is whole, finally discharge by the second ventilation opening of casing, improve the radiating effect of main control circuit board and ray apparatus, need not to increase the power of fan, the noise is little, the radiating effect is good, ensure that the projecting apparatus normally works, the life of extension projecting apparatus, improve the user experience nature to its use.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a partially exploded perspective view of a projector according to an embodiment of the present invention;
FIG. 2 is a perspective view of a mounting bracket provided by an embodiment of the present invention;
fig. 3 is a partially exploded perspective view of a projector according to an embodiment of the present invention.
Wherein, in the figures, the respective reference numerals:
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
It will be understood that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or it can be indirectly fixed to or disposed on the other element through a third member. 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 through a third component.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the utility model.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1 to 3, an embodiment of the utility model provides a heat dissipation mechanism 100, which is disposed in a housing 200 of a projector 1 and used for dissipating heat generated by a heat generating component in the housing 200, where the heat generating component includes an optical engine 300 and a main control circuit board 400, and the optical engine 300 is in control connection with the main control circuit board 400. The heat dissipation mechanism 100 includes a fan 110 and a heat conduction assembly 120, the fan 110 has an air inlet 1101 and an air outlet 1102 opposite to the air inlet 1101, one end of the heat conduction assembly 120 is connected to the optical engine 300, and the other end is located at the air outlet 1102 of the fan 110 and opposite to the air outlet 1102; the optical machine 300 and the main control circuit board 400 are located at one side of the air inlet 1101; the housing 200 has a first ventilation opening 201 opposite to the intake opening 1101 and a second ventilation opening 202 opposite to the exhaust opening 1102, and the wind formed between the first ventilation opening 201 and the intake opening 1101 flows through the optical machine 300 and the main control circuit board 400.
In this embodiment, the main heating element in the projector 1 includes an optical engine 300 and a main control circuit board 400, and the main heat generating portion in the optical engine 300 is a light source emitting different color lights and a chip for receiving the color lights and integrating and emitting the color lights to the projection incident end of the projection lens, and the chip is electrically connected to the main control circuit board 400. The heat dissipation mechanism 100 is disposed in the housing 200 of the projector 1, and specifically includes a fan 110 and a heat conduction assembly 120, where the fan 110 has an air inlet 1101 and an air outlet 1102, one end of the heat conduction assembly 120 is connected to the light source of the optical engine 300, and the other end is located at the air outlet 1102 of the fan 110 and is opposite to the air outlet 1102 for conducting heat generated by the light source out; the optical machine 300 and the main control circuit board 400 are located at one side of the air inlet 1101; the housing 200 has a first ventilation opening 201 opposite to the intake opening 1101 and a second ventilation opening 202 opposite to the exhaust opening 1102, and the wind formed between the first ventilation opening 201 and the intake opening 1101 flows through the optical machine 300 and the main control circuit board 400. Like this, utilize heat conduction assembly 120 to derive the heat that the light source during operation of ray apparatus 300 produced, combine fan 110 to form the wind current in casing 200 again, take main control circuit board 400, the heat on ray apparatus 300 and the heat conduction assembly 120 is whole to be taken away, finally discharge by second ventilation opening 202 of casing 200, improve main control circuit board 400 and ray apparatus 300's radiating effect, need not to increase fan 110's power, the noise is little, the radiating effect is good, ensure that projector 1 normally works, prolong projector 1's life, improve the user experience nature to its use.
In this embodiment, the first ventilation opening 201 and the second ventilation opening 202 are both provided in a plurality and arranged in an array manner.
Referring to fig. 1, further, the heat conducting assembly 120 includes a heat dissipating assembly 121, at least one heat conducting substrate 122 and at least one heat conducting member 123, each heat conducting substrate 122 is disposed on the periphery of the optical machine 300, one end of each heat conducting member 123 is fixed on one heat conducting substrate 122, and the other end is connected to the heat dissipating assembly 121, and the heat dissipating assembly 121 is located between the air outlet 1102 and the second air outlet 202.
In the embodiment, the heat conducting substrate 122 is a copper substrate, and the material of the heat conducting substrate 122 is not limited, so as to meet the heat conducting requirement. The heat conductivity of the light source of the optical engine 300 is improved by the heat conducting substrate 122. One end of the heat conducting member 123 is welded on the heat conducting substrate 122, and the other end is connected with the heat dissipating assembly 121, so as to conduct heat on the heat conducting substrate 122 to the heat dissipating assembly 121, thereby effectively increasing the heat dissipating area of the light source of the optical engine 300 and improving the heat dissipating rate of the light source. The heat dissipating assembly 121 is located at the air outlet 1102 of the fan 110, and the heat on the heat dissipating assembly 121 is quickly taken away by blowing air and dissipated out through the second air vent 202, so as to further improve the heat dissipating efficiency of the light source and further improve the heat dissipating efficiency of the optical engine 300.
Referring to fig. 1 and fig. 3, preferably, the heat dissipation assembly 121 has a plurality of air channels 1201, and two openings of each air channel 1201 are respectively opposite to the air outlet 1102 and the second air outlet 202. Therefore, the contact area between the wind flow and the heat dissipation group 121 is increased, and the heat dissipation rate of the heat dissipation group 121 is better improved.
Referring to fig. 1, in particular, the heat dissipation assembly 121 includes a plurality of stacked heat dissipation fins 1211, and a ventilation channel 1201 is formed between any two adjacent heat dissipation fins 1211. The end of each heat conducting member 123 far away from the heat conducting substrate 122 transversely penetrates through each heat dissipating fin 1211; alternatively, the end of each heat-conducting member 123 away from the heat-conducting substrate 122 is transversely fixed to the side of each heat-dissipating fin 1211. Thus, the heat generated by the light source of the optical engine 300 during operation is conducted to the heat dissipation fins 1211 through the heat conducting member 123 to enlarge the heat dissipation area, and the air outlet 1102 of the fan 110 is opposite to the heat dissipation fins 1211, and the air blown by the fan 110 flows through the air channels 1201 to quickly take away the heat on the heat dissipation fins 1211, so as to accelerate the heat dissipation rate of the heat dissipation assembly 121, thereby improving the heat dissipation rate of the light source generating color light in the optical engine 300.
In the embodiment, the optical engine 300 has three color light sources, correspondingly, three heat conducting substrates 122 are provided, and the heat conducting members 123 correspond to the heat conducting substrates 122 one by one. Each heat conducting substrate 122 is fixed at each color light source for conducting out the heat generated thereby.
Referring to fig. 1, the heat dissipation assembly 121 further includes at least one fixing plate 1212, wherein the side of each heat dissipation fin 1211 is fixed on each fixing plate 1212, and the stacking direction of each heat dissipation fin 1211 is the same as the length direction of each fixing plate 1212. The heat dissipating fins 1211 are welded to the fixing pieces 1212. The two fixing pieces 1212 are respectively located at two side portions of the heat dissipating set 121. Thus, on one hand, the heat dissipation fins 1211 can be fixed together, and on the other hand, the wind flow passing through the heat dissipation assembly 121 is prevented from entering the housing 200 again, thereby increasing the discharge rate.
Referring to fig. 1, preferably, the heat dissipation mechanism 100 further includes at least one heat dissipation member 130, each heat dissipation member 130 includes a heat dissipation substrate 131 and a plurality of heat dissipation fins 132, one side of each heat dissipation fin 132 is fixed to the plate surface of the heat dissipation substrate 131 and is arranged at intervals, and the heat dissipation substrate 131 is fixed to the side of the optical engine 300.
In the present embodiment, each heat sink 130 corresponds to a chip of the optical engine 300, and is used for dissipating heat of the chip. Each heat sink 130 includes a heat dissipation substrate 131 and a plurality of heat dissipation fins 132, one side of each heat dissipation fin 132 is fixed to the board surface of the heat dissipation substrate 131 and is arranged at intervals, and the heat dissipation substrate 131 is arranged corresponding to the chip of the optical engine 300, so as to increase the heat dissipation area of the chip, increase the heat dissipation rate of the chip, and ensure the normal operation of the chip.
Referring to fig. 1 to fig. 3, further, the heat dissipation mechanism 100 further includes a mounting frame 140, the mounting frame 140 is fixed in the housing 200, the mounting frame 140 has a mounting cavity 1401, and a first through opening 1402 and a second through opening 1403 communicated with the mounting cavity 1401, the fan 110 is fixed in the mounting cavity 1401, the air inlet 1101 is opposite to the first through opening 1402, the air outlet 1102 is opposite to the second through opening 1403, and the optical engine 300 is fixed on the mounting frame 140 and is located on the first through opening 1402.
Referring to fig. 1 to fig. 3, further, the mounting frame 140 further has a mounting groove 1404 and a third through hole 1405, the second through hole 1403 and the third through hole 1405 are respectively disposed on two opposite sidewalls of the mounting groove 1404, and the heat dissipation assembly 121 is disposed in the mounting groove 1404, so as to facilitate positioning and mounting of the heat dissipation assembly 121 and facilitate arrangement of the heat conducting elements 123. The third vent 1405 is opposite to the second vent 202.
Referring to fig. 3, an embodiment of the utility model further provides a projector 1, which includes the heat dissipation mechanism 100 as described above.
In this embodiment, the heat dissipation mechanism 100 is applied to the projector 1, so as to effectively improve the heat dissipation effects of the optical machine 300 and the main control circuit board 400 in the projector 1, prolong the service life of the projector 1, and improve the user experience of the user in using the projector.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A heat dissipation mechanism is arranged in a shell of a projector and used for dissipating heat of a heating element in the shell, wherein the heating element comprises an optical machine and a main control circuit board, the optical machine is in control connection with the main control circuit board, the heat dissipation mechanism is characterized by comprising a fan and a heat conduction assembly, the fan is provided with an air inlet and an air outlet opposite to the air inlet, one end of the heat conduction assembly is connected with the optical machine, and the other end of the heat conduction assembly is positioned at the air outlet of the fan and opposite to the air outlet; the optical machine and the main control circuit board are positioned on one side of the air inlet; the shell is provided with a first ventilation opening opposite to the air inlet and a second ventilation opening opposite to the air outlet, and air flow formed between the first ventilation opening and the air inlet passes through the optical machine and the main control circuit board.
2. The heat dissipating mechanism of claim 1, wherein the heat conducting assembly comprises a heat dissipating assembly, at least one heat conducting substrate and at least one heat conducting member, each heat conducting substrate is disposed around the optical engine, one end of each heat conducting member is fixed to one heat conducting substrate, and the other end of each heat conducting member is connected to the heat dissipating assembly, and the heat dissipating assembly is located between the air outlet and the second air outlet.
3. The heat dissipating mechanism of claim 2, wherein the heat dissipating assembly has a plurality of air channels, and two openings of each air channel are respectively opposite to the air outlet and the second air outlet.
4. The heat dissipating mechanism of claim 3, wherein said heat dissipating assembly comprises a plurality of stacked fins, and said air channel is disposed between any two adjacent fins.
5. The heat dissipating mechanism of claim 4, wherein an end of each of the heat conducting members away from the heat conducting substrate is transversely disposed through each of the heat dissipating fins;
or the end part of each heat conducting piece far away from the heat conducting substrate is transversely fixed on the side part of each radiating fin.
6. The heat dissipating mechanism of claim 4, wherein the heat dissipating assembly further comprises at least one fixing plate, a side of each of the heat dissipating fins is fixed to each of the fixing plates, and a stacking direction of each of the heat dissipating fins is the same as a length direction of each of the fixing plates.
7. The heat dissipating mechanism of any of claims 1 to 6, further comprising at least one heat dissipating member, each heat dissipating member comprising a heat dissipating substrate and a plurality of heat dissipating fins, wherein one side of each heat dissipating fin is fixed to the board surface of the heat dissipating substrate and spaced apart from the board surface, and the heat dissipating substrate is fixed to the side of the optical engine.
8. The heat dissipating mechanism of any of claims 3 to 6, further comprising a mounting bracket secured within the housing, the mounting bracket having a mounting cavity and first and second openings in communication with the mounting cavity, the fan secured within the mounting cavity, the air inlet opposing the first opening, the air outlet opposing the second opening, the optical engine secured to the mounting bracket and positioned over the first opening.
9. The heat dissipating mechanism of claim 8, wherein the mounting bracket further has a mounting groove and a third opening, the second opening and the third opening are respectively disposed on two opposite sidewalls of the mounting groove, the heat dissipating assembly is disposed in the mounting groove, and the third opening is opposite to the second opening.
10. A projector characterized by comprising the heat dissipation mechanism according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122156871.0U CN215769316U (en) | 2021-09-07 | 2021-09-07 | Heat dissipation mechanism and projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122156871.0U CN215769316U (en) | 2021-09-07 | 2021-09-07 | Heat dissipation mechanism and projector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215769316U true CN215769316U (en) | 2022-02-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122156871.0U Active CN215769316U (en) | 2021-09-07 | 2021-09-07 | Heat dissipation mechanism and projector |
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| Country | Link |
|---|---|
| CN (1) | CN215769316U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114815475A (en) * | 2022-05-20 | 2022-07-29 | 深圳市火乐科技发展有限公司 | Heat radiation structure and projection equipment |
-
2021
- 2021-09-07 CN CN202122156871.0U patent/CN215769316U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114815475A (en) * | 2022-05-20 | 2022-07-29 | 深圳市火乐科技发展有限公司 | Heat radiation structure and projection equipment |
| CN114815475B (en) * | 2022-05-20 | 2024-04-02 | 深圳市火乐科技发展有限公司 | Heat radiation structure and projection equipment |
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