CN220171388U - Radiator and projector for projector - Google Patents
Radiator and projector for projector Download PDFInfo
- Publication number
- CN220171388U CN220171388U CN202320984334.1U CN202320984334U CN220171388U CN 220171388 U CN220171388 U CN 220171388U CN 202320984334 U CN202320984334 U CN 202320984334U CN 220171388 U CN220171388 U CN 220171388U
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- heat
- projector
- sensing module
- piece
- heat dissipation
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 59
- 238000001514 detection method Methods 0.000 claims abstract description 18
- 230000005855 radiation Effects 0.000 claims abstract description 10
- 239000000956 alloy Substances 0.000 claims description 19
- 229910045601 alloy Inorganic materials 0.000 claims description 19
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 13
- 229910021389 graphene Inorganic materials 0.000 claims description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 239000011889 copper foil Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Projection Apparatus (AREA)
Abstract
The utility model relates to a heat dissipation device for a projector and the projector, comprising: the projector comprises a shell, a heat radiation piece and a heat conduction piece, wherein a detection port is formed in the shell of the projector, a sensing module is fixedly arranged on the inner wall of the shell corresponding to the detection port, and the heat radiation piece is attached to the sensing module and fixedly connected with the inner wall of the shell; the shell is also provided with a through hole, the through hole is arranged on one surface of the shell, on which the sensing module is arranged, one end of the heat conducting piece is connected with the heat radiating piece, and the other end of the heat conducting piece is exposed in the air through the through hole; the heat generated by the sensing module is conducted through the heat radiating piece and the heat conducting piece, and the conducted heat is volatilized in the air through the through hole on the shell, so that the rapid heat radiation of the sensing module is realized; on one hand, the detection precision of the sensing module is improved, and on the other hand, the stable operation of the sensing module is ensured.
Description
Technical Field
The utility model relates to the technical field of heat dissipation of sensing modules, in particular to a heat dissipation device for a projector and the projector.
Background
In order to quickly and automatically correct and focus a picture projected by a projector, a sensing module is generally arranged on the projector, and infrared light is emitted by the sensing module to detect the environmental depth information in front of the projector so as to identify the outline of an obstacle; in particular, the module is a TOF sensor. However, as the requirement on the recognition accuracy of the outline of the obstacle is gradually increased, the dot matrix on the sensing module is also gradually increased, so that the heating value of the sensing module is rapidly increased; correspondingly, with the rapid increase of the heating value, the overall detection precision of the sensing module can be correspondingly reduced, and if the heat cannot be timely dissipated, the normal operation of the module can be affected.
Disclosure of Invention
The utility model aims to overcome the defect of low heat dissipation efficiency of a sensing module in the prior art, thereby providing a heat dissipation device for a projector and the projector.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a heat sink for a projector, comprising: a heat dissipation member, a heat conduction member,
the projector comprises a projector body, a sensing module, a heat dissipation piece, a heat radiation piece and a heat radiation device, wherein the projector body is provided with a detection port, the sensing module is fixedly arranged on the inner wall of the projector body corresponding to the detection port, and the heat dissipation piece is attached to the sensing module and is fixedly connected with the inner wall of the projector body;
the shell is further provided with a through hole, the through hole is formed in one face of the shell, on which the sensing module is assembled, one end of the heat conducting piece is connected with the heat radiating piece, and the other end of the heat conducting piece is exposed to air through the through hole.
Preferably, the heat dissipation alloy cover is arranged on the through hole and is fixedly connected with the outer wall of the shell;
one end of the heat conducting piece, which is far away from the heat radiating piece, is connected with the heat radiating alloy through the through hole.
Preferably, the heat dissipation alloy is provided in a sheet form.
Preferably, the heat conductive member comprises graphene arranged in a sheet form,
the thickness of the graphene is 1mm-2mm.
Preferably, copper foil is adhered to the outer surface of the graphene.
Preferably, the shell of the projector is further provided with a shooting port, the shooting port is adjacent to the detection port, the projector further comprises a shooting module, the shooting module corresponds to the shooting port and is fixedly arranged on the inner wall of the shell of the projector, and the radiating piece faces to one side of the shell and is simultaneously in compression joint with the shooting module.
Preferably, the heat dissipation device further comprises heat dissipation fins, wherein the heat dissipation fins are fixedly arranged on one side, facing away from the inner wall of the shell, of the heat dissipation piece.
Preferably, the sensing module comprises a TOF sensor.
A projector comprises projection equipment and a heat dissipation device, wherein the heat dissipation device is arranged on the projection equipment, and the heat dissipation device is the heat dissipation device.
Compared with the prior art, the utility model has the beneficial effects that:
according to the heat dissipation device for the projector and the projector, provided by the technical scheme, the heat generated by the sensing module is conducted through the heat dissipation piece and the heat conduction piece, and the conducted heat is volatilized in the air through the through hole on the shell, so that the rapid heat dissipation of the sensing module is realized; on one hand, the detection precision of the sensing module is improved, and on the other hand, the stable operation of the sensing module is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is an overall structure diagram of a heat dissipating device according to an embodiment of the present utility model.
Fig. 2 is a schematic structural view of a projector housing.
Fig. 3 is a schematic view of a part of the structure of the housing shown in fig. 2.
Reference numerals illustrate:
1. a housing; 11. a detection port; 12. a photographing port; 13. a heat-dissipating alloy; 14. a through hole; 15. a projection port; 2. a heat sink; 3. a heat conductive member; 4. a heat radiation fin; 5. and a sensing module.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The embodiment of the utility model provides a heat dissipation device for a projector; as shown in fig. 1 to 3, comprising: a heat dissipation member 2 and a heat conduction member 3; the projector comprises a shell 1, a sensing module 5, a projection port 15 and a detection port 11, wherein the shell 1 of the projector is provided with the projection port 15 and the detection port 11 is arranged on the same side as the projection port 15, and the sensing module 5 is fixedly arranged on the inner wall of the shell 1 of the projector corresponding to the detection port 11 and is used for detecting depth information of a front environment; specifically, the sensing module 5 is used for measuring and calculating the projection distance to realize the rapid focusing of the picture delivery, measuring and calculating the inclination angle to realize the rapid correction of the projection picture, and measuring and calculating the user profile when the user enters the projection area to avoid the projection light rays from injuring the eyes of the user; the heat dissipation part 2 is used for dissipating heat of the sensing module 5 with rising heat caused by gradual increase of the dot matrix in the detection process, and the heat conduction part 3 is used for conducting the heat dissipated by the sensing module 5 further so as to enable the conducted heat to be volatilized rapidly; more specifically, in order to facilitate heat conduction, the heat dissipation element 2 is crimped on the sensor module 5 towards one side of the housing 1 and is fixedly connected with the inner wall of the housing 1; and in order to facilitate better volatilizing of the conducted heat into the air, a through hole 14 is further provided on the housing 1 of the projector, the through hole 14 is provided in communication with the inside of the housing 1, and for the short heat conduction path, the through hole 14 is provided on the side of the housing equipped with the sensor module 5, and then one end of the heat conducting member 3 is connected with the heat dissipating member 2, and the other end is exposed to the air through the through hole 14.
The heat generated by the sensing module 5 is conducted through the heat radiating piece 2 and the heat conducting piece 3, and the conducted heat is volatilized in the air through the through hole 14 on the shell 1, so that the rapid heat radiation of the sensing module 5 is realized; on the one hand, the detection precision of the sensing module 5 is improved, and on the other hand, the stable operation of the sensing module 5 is ensured.
Specifically, the sensing module 5 works, and the generated heat is conducted to the heat conducting piece 3 from the heat radiating piece 2, is volatilized in the air through the heat conducting piece 3 and through the through hole 14 on the shell 1, so that the effect of heat radiation and temperature reduction of the sensing module 5 is realized; the sensing module 5 may be a detection unit such as a camera module, a laser, etc., and in the present utility model, the sensing module 5 is a TOF sensor.
Preferably, in order to better volatilize the heat conducted by the heat conducting piece 3 into the air, the device also comprises a heat dissipation alloy 13, and the heat dissipation alloy 13 is covered on the through hole 14 and fixedly connected with the outer wall of the shell 1; one end of the heat conducting piece 3 far away from the heat radiating piece 2 is connected with the heat radiating alloy 13 through a through hole 14; that is, the heat dissipation member 2 conducts the heat of the sensor module 5 to the heat conduction member 3, and then passes through the heat conduction member 3 to be led to the heat dissipation alloy 13, and then the heat conducted out is volatilized in the air through the heat dissipation alloy 13. In addition, wireless transmission modules such as WiFi and Bluetooth are further installed in the projector, and in order to avoid the heat dissipation alloy 13 interfering with the receiving and transmitting of wireless signals, the wireless transmission modules can be arranged on the inner wall of the shell 1 above the heat dissipation alloy 13.
Preferably, in order to ensure a good heat dissipation effect, the heat sink 2 comprises a heat dissipation alloy 13; further, to ensure a good heat conduction effect, the heat conduction member 3 includes graphene; in addition, in order to facilitate assembly and reduce the occupation of the installation space, the heat dissipation alloy 13 and the graphene are arranged in a sheet shape; moreover, the thickness of the graphene sheet in the embodiment is 1mm-2mm, and in contrast, a common heat conduction copper pipe cannot be achieved.
Because staff may have errors in the assembly process, and the selected graphene heat conducting piece 3 is relatively thin; in order to avoid the breakage of the flaky graphene caused by secondary assembly, a copper foil is adhered to the outer surface of the graphene so as to increase the strength of the flaky graphene.
Specifically, a shooting port 12 is further formed in the shell 1 of the projector, and in order to realize reasonable layout of the installation space, the shooting port 12 is arranged adjacent to the detection port 11; the projector also comprises a camera module, and the camera module is fixedly arranged on the inner wall of the shell 1 of the projector corresponding to the shooting port 12; in order to facilitate heat dissipation of the camera module, the heat dissipation part 2 faces one side of the shell 1 and is simultaneously in pressure connection with the camera module so as to conduct heat of the camera module.
Preferably, in order to further improve the heat dissipation efficiency, the heat dissipation device is further provided with heat dissipation fins 4; specifically, the heat dissipation fins 4 are fixedly arranged on one side of the heat dissipation piece 2, which is back to the inner wall of the shell 1 of the projector; namely, part of heat generated by the sensing module 5 and the camera module is conducted to the heat dissipation alloy 13 from the through hole 14 through the heat dissipation part 2 via the heat conduction part 3, and then volatilized to the air through the heat dissipation alloy 13, and the other part of heat is conducted to the heat dissipation fins 4 through the heat dissipation part 2 for heat dissipation; considering reasonable layout of the installation space, the radiating fins 4 are fixedly arranged on one side of the radiating piece 2, which faces away from the camera module; it is noted that the heat generated by the camera module is lower than that of the sensor module 5, and the camera module and the sensor module 5 are not synchronous in operation, so that the normal heat dissipation of the sensor module 5 is not affected.
A projector comprises a projection device and a heat dissipation device, wherein the heat dissipation device is arranged on the projection device and used for dissipating heat of the projection device in the operation process, and the heat dissipation device is the heat dissipation device.
The above embodiments are only preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present utility model are intended to be within the scope of the present utility model as claimed.
Claims (9)
1. A heat sink for a projector, comprising: a heat dissipation member, a heat conduction member,
the projector comprises a projector body, a sensing module, a heat dissipation piece, a heat radiation piece and a heat radiation device, wherein the projector body is provided with a detection port, the sensing module is fixedly arranged on the inner wall of the projector body corresponding to the detection port, and the heat dissipation piece is attached to the sensing module and is fixedly connected with the inner wall of the projector body;
the shell is further provided with a through hole, the through hole is formed in one face of the shell, on which the sensing module is assembled, one end of the heat conducting piece is connected with the heat radiating piece, and the other end of the heat conducting piece is exposed to air through the through hole.
2. The heat dissipating device of claim 1, further comprising a heat dissipating alloy, said heat dissipating alloy cover disposed over said through hole and fixedly attached to an outer wall of said housing;
one end of the heat conducting piece, which is far away from the heat radiating piece, is connected with the heat radiating alloy through the through hole.
3. The heat sink of claim 2, wherein the heat sink alloy is a sheet-like arrangement.
4. The heat dissipating device of claim 1, wherein the thermally conductive member comprises graphene in a sheet-like arrangement,
the thickness of the graphene is 1mm-2mm.
5. The heat sink of claim 4, wherein the outer surface of the graphene is bonded with copper foil.
6. The heat dissipation device according to claim 1, wherein a photographing opening is further formed in the housing of the projector, the photographing opening is disposed adjacent to the detecting opening, the heat dissipation device further comprises a camera module, the camera module is fixedly disposed on an inner wall of the housing of the projector corresponding to the photographing opening, and the heat dissipation part faces one side of the housing and is simultaneously in pressure connection with the camera module.
7. The heat dissipating device of claim 6, further comprising heat dissipating fins fixedly disposed on a side of said heat dissipating member facing away from said inner wall of said housing.
8. The heat sink of claim 1, wherein the sensing module comprises a TOF sensor.
9. A projector comprising a projection device and a heat sink mounted on the projection device, the heat sink being a heat sink according to any one of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320984334.1U CN220171388U (en) | 2023-04-24 | 2023-04-24 | Radiator and projector for projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320984334.1U CN220171388U (en) | 2023-04-24 | 2023-04-24 | Radiator and projector for projector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220171388U true CN220171388U (en) | 2023-12-12 |
Family
ID=89053619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320984334.1U Active CN220171388U (en) | 2023-04-24 | 2023-04-24 | Radiator and projector for projector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220171388U (en) |
-
2023
- 2023-04-24 CN CN202320984334.1U patent/CN220171388U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |