CN219245929U - Light source structure of projector - Google Patents
Light source structure of projector Download PDFInfo
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- CN219245929U CN219245929U CN202320060301.8U CN202320060301U CN219245929U CN 219245929 U CN219245929 U CN 219245929U CN 202320060301 U CN202320060301 U CN 202320060301U CN 219245929 U CN219245929 U CN 219245929U
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- light source
- substrate
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- radiating
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Abstract
The utility model discloses a light source structure of a projector, which comprises a heat dissipation substrate and a light source substrate arranged on the heat dissipation substrate, wherein the heat dissipation substrate and the light source substrate are of an integrated structure, and an LED light source is arranged on one side of the light source substrate, which is away from the heat dissipation substrate; the light source structure of the projector has the characteristic of long service life, the light source substrate and the heat dissipation substrate are integrally formed, heat conduction glue does not need to be coated on the heat dissipation substrate, and heat can be transferred to the heat dissipation substrate through the light source substrate, so that the heat is dissipated, the phenomenon of weakening of the LED light source caused by poor heat conduction performance between the light source substrate and the heat dissipation substrate is avoided, and the service life is prolonged.
Description
Technical Field
The present disclosure relates to projectors, and particularly to a light source structure of a projector.
Background
A projector is a device capable of projecting an image or video onto a curtain, and the key for determining the projection quality is often a projection light source structure of the projector; the projection light source structure in the existing projector generally comprises a light source substrate and a heat dissipation substrate, wherein an LED light source is arranged on one side of the light source substrate, heat conduction glue used for being connected with one side, deviating from the LED light source, of the light source substrate is coated on the heat dissipation substrate, the heat conduction coefficient of the heat conduction glue is limited and is generally 3W/(m.k) -5W/(m.k), the heat conduction glue is easy to volatilize in a long-time high-temperature environment, a chalking phenomenon occurs, the heat conduction performance is reduced, the weakness of the LED light source is further quickened, and the service life is influenced.
Disclosure of Invention
The utility model mainly aims to provide a light source structure of a projector with long service life.
In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a light source structure of projecting apparatus, includes the radiating substrate and set up in the light source base plate on the radiating substrate, the radiating substrate with the integrated into one piece's of light source base plate integral type structure, the light source base plate deviates from one side of radiating substrate is equipped with the LED light source.
In one embodiment, the device further comprises a cooling fan and a mounting bracket, wherein the cooling fan is mounted on one side of the mounting bracket; a plurality of radiating fins which are distributed in parallel are arranged on one side, away from the light source substrate, of the radiating substrate, a radiating gap is formed between two adjacent radiating fins, and the radiating fins and the radiating substrate are of an integrated structure; the mounting bracket is connected with the radiating fins, and the radiating fan is used for blowing air to the radiating gaps.
In an embodiment, the heat dissipation fins are provided with air passing grooves, and the air passing grooves are communicated with the heat dissipation gaps.
In an embodiment, the number of the air passing grooves is multiple.
In an embodiment, mounting flanges are respectively arranged on two opposite sides of the mounting bracket, and the mounting flanges are respectively connected with the heat dissipation fins on the heat dissipation substrate.
In one embodiment, the mounting flange is connected to the heat sink fins by bolts.
In an embodiment, the mounting flange is provided with a shock absorption layer which is abutted against the heat dissipation fins.
In an embodiment, the heat dissipation substrate is made of copper.
The utility model has the beneficial effects that: the light source structure of the projector has the characteristic of long service life, the light source substrate and the heat dissipation substrate are integrally formed, heat conduction glue does not need to be coated on the heat dissipation substrate, and heat can be transferred to the heat dissipation substrate through the light source substrate, so that the heat is dissipated, the phenomenon of weakening of the LED light source caused by poor heat conduction performance between the light source substrate and the heat dissipation substrate is avoided, and the service life is prolonged.
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 required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a light source structure of a projector according to a first embodiment of the utility model;
fig. 2 is an exploded view of a light source structure of a projector according to a first embodiment of the utility model;
fig. 3 is a schematic partial cross-sectional view of a light source structure of a projector according to a second embodiment of the utility model.
Description of the reference numerals:
1. a heat radiation fan; 2. a mounting bracket; 21. installing a flanging; 22. an adjustment tank; 23. a bolt; 24. a vent; 3. a heat-dissipating substrate; 31. a light source substrate; 32. an LED light source; 33. a heat radiation fin; 34. a heat dissipation gap; 331. a wind passing groove; 332. and (3) a nut.
Detailed Description
The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. 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.
It should be noted that, in the embodiment of the present utility model, directional indications such as up, down, left, right, front, and rear … … are referred to, and the directional indication is merely used to explain the relative positional relationship, movement conditions, and the like between the components in a specific posture such as that shown in the drawings, and if the specific posture is changed, the directional indication is changed accordingly.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is 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 at least one such feature.
In addition, if the meaning of "and/or" is presented throughout this document to include three parallel schemes, taking "and/or" as an example, including a scheme, or a scheme that is satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
In this application, unless specifically stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.
Referring to fig. 1 to 3, a light source structure of a projector includes a heat dissipation substrate 3 and a light source substrate 31 disposed on the heat dissipation substrate 3, wherein the heat dissipation substrate 3 and the light source substrate 31 are integrally formed, and an LED light source 32 is disposed on a side of the light source substrate 31 facing away from the heat dissipation substrate 3.
As can be seen from the above description, the light source substrate 31 and the heat dissipation substrate 3 are integrally formed, and the heat conduction glue does not need to be coated on the heat dissipation substrate 3, so that the heat can be transferred to the heat dissipation substrate 3 through the light source substrate 31, and the heat can be dissipated, so that the phenomenon that the LED light source 32 is weakened due to the poor heat conduction performance between the light source substrate 31 and the heat dissipation substrate 3 is avoided, and the service life is prolonged.
Further, the cooling device also comprises a cooling fan 1 and a mounting bracket 2, wherein the cooling fan 1 is mounted on one side of the mounting bracket; a plurality of parallel radiating fins 33 are arranged on one side of the radiating substrate 3 away from the light source substrate 31, radiating gaps 34 are formed between two adjacent radiating fins 33, and the radiating fins 33 and the radiating substrate 3 are of an integrated structure; the mounting bracket 2 is connected to the heat dissipation fins 33, and the heat dissipation fan 1 is configured to blow air to the heat dissipation gap 34.
As can be seen from the above description, the mounting bracket 2 is configured to mount the cooling fan 1 on the cooling fins 33 of the cooling substrate 3, and blow air to the cooling gaps 34 through the cooling fan 1, so that the cooling fins 33 are beneficial to radiating heat on the cooling substrate 3, and improving cooling efficiency.
Further, the heat dissipation fins 33 are provided with air passing grooves 331, and the air passing grooves 331 are communicated with the heat dissipation gaps 34.
As can be seen from the above description, the air passing grooves 331 are formed on the heat dissipation fins 33, so that air can flow through the heat dissipation gaps 34, thereby improving heat dissipation efficiency.
Further, the number of the air passing grooves 331 is plural.
As can be seen from the above description, the number of the wind passing grooves 331 can be set according to practical application requirements.
Further, the mounting flanges 21 are respectively provided at two opposite sides of the mounting bracket 2, and the mounting flanges 21 are respectively connected with the heat dissipation fins 33 on the heat dissipation substrate 3.
As can be seen from the above description, the mounting flange 21 facilitates the connection between the mounting bracket 2 and the heat sink fins 33, which is beneficial for improving structural stability.
Further, the mounting flange 21 is connected to the heat sink fins 33 by bolts 23.
As can be seen from the above description, the connection manner between the mounting flange 21 and the heat sink fins 33 can be set according to practical application requirements.
Further, the mounting flange 21 is provided with a shock absorbing layer abutting against the heat dissipation fins 33.
As can be seen from the above description, the damping layer is used for reducing the influence of the vibration of the cooling fan 1 on the cooling fins 33, which is beneficial to improving the structural stability.
Further, the heat dissipation substrate 3 is made of copper.
As can be seen from the above description, the heat dissipation substrate 3 is made of copper, which is beneficial to improving heat dissipation performance.
Example 1
Referring to fig. 1 to 3, a first embodiment of the present utility model is as follows: the light source structure of the projector is applied to the projector and used for providing illumination, the projector comprises a shell, and a light source structure and a light path component which are arranged in the shell, the light source structure is used for emitting light to the light path component, and the light path component comprises a rear phenanthrene mirror, heat-insulating glass, a front phenanthrene mirror, reflecting glass and a projection lens; light rays emitted by the LED light source 32 are projected to the projection lens through the rear phenanthrene mirror, the heat-insulating glass, the front phenanthrene mirror and the reflecting glass in sequence; it should be noted that, the specific configuration of the projector is well known in the art, so the detailed configuration of the projector is not repeated in this embodiment; specifically, the light source structure includes a heat dissipation substrate 3 and a light source substrate 31 disposed on the heat dissipation substrate 3, the heat dissipation substrate 3 and the light source substrate 31 are integrally formed as an integral structure, the heat dissipation substrate 3 is made of copper, so that the heat dissipation performance is improved, and an LED light source 32 is disposed on a side of the light source substrate 31 facing away from the heat dissipation substrate 3; more specifically, the LED light source 32 is an LED light emitting circuit formed on the light source substrate 31 by an etching process; in detail, the light source structure further includes a light cup mounted on the light source substrate 31, and the rear phenanthrene mirror is mounted on the light cup.
Preferably, the light source structure further comprises a cooling fan 1 and a mounting bracket 2, wherein the cooling fan 1 is mounted on one side of the mounting bracket; a plurality of parallel radiating fins 33 are arranged on one side of the radiating substrate 3 away from the light source substrate 31, radiating gaps 34 are formed between two adjacent radiating fins 33, and the radiating fins 33 and the radiating substrate 3 are of an integrated structure; the mounting bracket 2 is connected with the heat dissipation fins 33, the heat dissipation fan 1 is used for blowing air to the heat dissipation gaps 34, the mounting bracket 2 is used for mounting the heat dissipation fan 1 on the heat dissipation fins 33 of the heat dissipation substrate 3, and the heat dissipation fins 33 are beneficial to radiating out the heat on the heat dissipation substrate 3 and improving the heat dissipation efficiency by blowing air to the heat dissipation gaps 34 through the heat dissipation fan 1; specifically, the heat dissipation fins 33 are provided with air passing grooves 331, the air passing grooves 331 are communicated with the heat dissipation gaps 34, and the air passing grooves 331 facilitate air to circulate in the heat dissipation gaps 34, so that heat dissipation efficiency is improved; alternatively, the number of the air passing grooves 331 may be one or more, and specifically, the number of the air passing grooves 331 may be set according to actual application requirements.
In this embodiment, the mounting flanges 21 are respectively provided on opposite sides of the mounting bracket 2, that is, the number of the mounting flanges 21 is two; the mounting flanges 21 are respectively connected with the radiating fins 33 on the radiating substrate 3, specifically, two opposite sides of the mounting bracket 2 are bent and extended to form the mounting flanges 21 on one side away from the radiating fan 1, and the two mounting flanges 21 are respectively connected with the two radiating fins 33 on the outermost side of the radiating substrate 3; more specifically, the two mounting flanges 21 are arranged parallel to each other on the mounting bracket 2; in detail, the mounting flange 21 is connected with the heat dissipation fins 33 through the bolts 23, the heat dissipation fins 33 are further provided with nuts 332 in threaded connection with the bolts 23, the nuts 332 are disposed on one side of the heat dissipation fins 33, which is close to the mounting flange 21, and the nuts 332 are abutted against the mounting flange 21.
Preferably, the mounting flange 21 is further provided with an adjusting groove 22 extending along the extending direction thereof, one end of the bolt 23 penetrates through the adjusting groove 22 and is in threaded connection with the nut 332, the other end of the bolt 23 is used for abutting against one side of the mounting flange 21 away from the heat dissipation fins 33, and the bolt 23 can slide relative to the adjusting groove 22 or be fixed on the heat dissipation flange by screwing or unscrewing the bolt 23; by adjusting the position of the bolt 23 in the adjusting groove 22, the relative position of the mounting bracket 2 and the radiating fins 33 can be adjusted; specifically, the mounting bracket 2 is provided with a vent 24, the air outlet of the cooling fan 1 is arranged corresponding to the vent 24, the plane of the vent 24 is perpendicular to the cooling fins 33, the cooling gaps 34 are located in the projection area of the vent 24, and the cooling fins are projected along the extending direction of the mounting flange 21; in this way, the distance between the ventilation opening 24 and the heat dissipation gap 34 can be adjusted by adjusting the position of the bolt 23 in the adjusting groove 22, so that the heat dissipation fan 1 can effectively blow air to each heat dissipation gap 34, and the stability of heat dissipation performance is ensured.
In detail, the mounting flange 21 is further provided with a scale mark, the scale mark extends along the extending direction of the adjusting groove 22, and by setting the scale mark, an assembly person can conveniently and accurately grasp the displacement travel of the bolt 23 in the adjusting groove 22.
As an alternative, the mounting flange 21 is provided with a shock-absorbing layer that is abutted against the heat dissipation fins 33, and the shock-absorbing layer is used for reducing the influence of the vibration of the heat dissipation fan 1 on the heat dissipation fins 33, so that the improvement of the structural stability is facilitated; specifically, the material of vibration-damping layer can be rubber material, silica gel material or sponge material, specifically can be according to actual application demand right the material of vibration-damping layer sets up.
In summary, the light source structure of the projector provided by the utility model has the characteristic of long service life, the light source substrate and the heat dissipation substrate are integrally formed, the heat conduction glue does not need to be coated on the heat dissipation substrate, and the heat can be transferred to the heat dissipation substrate through the light source substrate, so that the heat is dissipated, the phenomenon of weakening of the LED light source caused by poor heat conduction performance between the light source substrate and the heat dissipation substrate is avoided, and the service life is facilitated
Lifting the life; through adjusting the position of the bolt in the adjusting groove, the distance 5 between the ventilation opening and the heat dissipation gap is adjusted, so that the heat dissipation fan can effectively blow air to each heat dissipation gap, and the stability of heat dissipation performance is ensured.
The foregoing is merely an alternative embodiment of the present utility model, and is not intended to limit the scope of the utility model,
all equivalent structural changes made by the content of the specification and the drawings of the utility model or direct/indirect application in other related technical fields are included in the protection scope of the utility model.
Claims (8)
1. The utility model provides a light source structure of projecting apparatus, its characterized in that includes the radiating substrate and set up in the light source base plate on the radiating substrate, the radiating substrate with the integrated into one piece's of light source base plate integral type structure, the light source base plate deviates from one side of radiating substrate is equipped with the LED light source.
2. The light source structure of a projector according to claim 1, further comprising a heat radiation fan and a mounting bracket, the heat radiation fan being mounted on one side of the mounting bracket; a plurality of radiating fins which are distributed in parallel are arranged on one side, away from the light source substrate, of the radiating substrate, a radiating gap is formed between two adjacent radiating fins, and the radiating fins and the radiating substrate are of an integrated structure; the mounting bracket is connected with the radiating fins, and the radiating fan is used for blowing air to the radiating gaps.
3. The light source structure of the projector according to claim 2, wherein the heat radiation fins are provided with air passing grooves, and the air passing grooves are communicated with the heat radiation gaps.
4. A light source structure of a projector according to claim 3, wherein the number of the wind passing grooves is plural.
5. The light source structure of claim 2, wherein the mounting brackets are provided with mounting flanges on opposite sides thereof, respectively, the mounting flanges being connected with the heat dissipation fins on the heat dissipation substrate, respectively.
6. The light source structure of the projector according to claim 5, wherein the mounting flange is connected to the heat radiation fins by bolts.
7. The light source structure of the projector according to claim 5, wherein the mounting flange is provided with a shock absorbing layer abutting against the heat radiation fins.
8. The light source structure of claim 1, wherein the heat dissipating substrate is made of copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320060301.8U CN219245929U (en) | 2023-01-09 | 2023-01-09 | Light source structure of projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320060301.8U CN219245929U (en) | 2023-01-09 | 2023-01-09 | Light source structure of projector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219245929U true CN219245929U (en) | 2023-06-23 |
Family
ID=86841739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320060301.8U Active CN219245929U (en) | 2023-01-09 | 2023-01-09 | Light source structure of projector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219245929U (en) |
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2023
- 2023-01-09 CN CN202320060301.8U patent/CN219245929U/en active Active
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