CN219066840U - Projection light source structure and projector - Google Patents
Projection light source structure and projector Download PDFInfo
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- CN219066840U CN219066840U CN202223408905.1U CN202223408905U CN219066840U CN 219066840 U CN219066840 U CN 219066840U CN 202223408905 U CN202223408905 U CN 202223408905U CN 219066840 U CN219066840 U CN 219066840U
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Abstract
The utility model discloses a projection light source structure and a projector, wherein the projector comprises the projection light source structure, the projection light source structure comprises a mounting substrate and a light cup which is connected to the mounting substrate in an adhesive way, an LED light-emitting chip is arranged on the mounting substrate, a mounting hole for exposing the LED light-emitting chip is arranged at the bottom of the light cup, a surrounding dam with the same outline shape as the mounting hole is arranged on the mounting substrate, the outer side wall of the surrounding dam is abutted against the hole wall of the mounting hole, and the LED light-emitting chip is arranged at the inner side of the surrounding dam; the LED light-emitting chip is covered by the transparent mirror, and the transparent mirror is connected with the surrounding dam, and the outline shape of the transparent mirror is the same as that of the surrounding dam; set up the back dam around LED light emitting chip, reduced the risk of light leak, set up that light-transmitting mirror and back dam fix a position the installation of light cup jointly, ensured the accuracy of light cup mounted position, light-transmitting mirror can also receive and lead the light that LED light emitting chip sent, reduced the risk of light loss, promoted the play light effect.
Description
Technical Field
The present disclosure relates to projectors, and particularly to a projection light source structure and 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 mounting substrate and a light cup, wherein an LED light-emitting chip is arranged on the mounting substrate, and the light cup is positioned around the LED light-emitting chip and is connected with the mounting substrate through adhesion; but in the process of bonding the light cup to the mounting substrate, gaps are easy to appear between the bonding surfaces of the light cup and the mounting substrate, light leakage is caused, the mounting position of the light cup is easy to deviate, and the light emitting effect of the projection light source structure is affected.
Disclosure of Invention
The technical problems to be solved by the utility model are as follows: the projection light source structure and the projector with good light emitting effect are provided.
In order to solve the technical problems, the utility model adopts the following technical scheme: the projection light source structure comprises a mounting substrate and a light cup which is connected to the mounting substrate in an adhesive mode, wherein an LED light-emitting chip is arranged on the mounting substrate, a mounting hole for exposing the LED light-emitting chip is formed in the bottom of the light cup, a surrounding dam with the same outline shape as the mounting hole is arranged on the mounting substrate, the outer side wall of the surrounding dam is in contact with the hole wall of the mounting hole, and the LED light-emitting chip is arranged on the inner side of the surrounding dam; the LED light-emitting chip is characterized by further comprising a light-transmitting lens, wherein the light-transmitting lens covers the LED light-emitting chip and is connected with the surrounding dam, and the outline shape of the light-transmitting lens is the same as that of the surrounding dam.
Furthermore, the light cup is further provided with a mounting part, and the mounting part is connected with the mounting substrate in an adhesive manner.
Furthermore, a sinking groove is formed in the mounting substrate, and the mounting part is mounted in the sinking groove.
Further, the shape of the mounting portion is the same as the shape of the sink.
Further, the number of the mounting portions is plural.
Further, the bottom of the light cup extends along the outer side of the light cup to form the mounting part.
Further, the material of the light cup is a metal material, a plastic material or a glass material.
Furthermore, the material of the light-transmitting lens is acrylic material, optical glass or silica gel material.
In order to solve the technical problems, the utility model also provides a projector, which comprises the projection light source structure.
The utility model has the beneficial effects that: the projection light source structure and the projector provided by the utility model have the characteristic of good light emitting effect, and the surrounding of the LED light emitting chip is provided with the surrounding dam, so that the risk of light leakage is reduced, the installation of the light cup is positioned by the arrangement of the light transmitting lens and the surrounding dam together, the accuracy of the installation position of the light cup is ensured, and the improvement of the light emitting effect is facilitated; in addition, the light-transmitting mirror can also be used for converging and guiding light rays emitted by the LED light-emitting chip, so that the risk of light loss is reduced, and the light-emitting effect is further improved.
Drawings
Fig. 1 is a schematic structural diagram of a projector according to a first embodiment of the utility model;
fig. 2 is a schematic cross-sectional view of a projection light source structure according to a first embodiment of the present utility model.
Description of the reference numerals:
1. a housing; 2. a projection light source structure; 21. a light cup; 211. a mounting hole; 212. a mounting part; 22. a mounting substrate; 221. an LED light emitting chip; 222. a surrounding dam; 223. a light-transmitting lens; 224. sinking grooves; 3. a rear phenanthrene mirror; 4. a heat insulating glass; 5. a front phenanthrene mirror; 6. reflective glass; 7. and a projection lens.
Detailed Description
In order to describe the technical contents, the achieved objects and effects of the present utility model in detail, the following description will be made with reference to the embodiments in conjunction with the accompanying drawings.
Referring to fig. 1 and 2, a projection light source structure includes a mounting substrate 22 and a light cup 21 adhesively connected to the mounting substrate 22, wherein an LED light emitting chip 221 is disposed on the mounting substrate 22, a mounting hole 211 for exposing the LED light emitting chip 221 is disposed at the bottom of the light cup 21, a dam 222 having the same shape as the contour of the mounting hole 211 is disposed on the mounting substrate 22, the outer side wall of the dam 222 abuts against the wall of the mounting hole 211, and the LED light emitting chip 221 is mounted inside the dam 222; and the LED light-emitting chip is characterized by further comprising a light-transmitting mirror 223, wherein the light-transmitting mirror 223 covers the LED light-emitting chip 221 and is connected with the surrounding dam 222, and the outline shape of the light-transmitting mirror 223 is the same as that of the surrounding dam 222.
From the above description, the beneficial effects of the utility model are as follows: the surrounding of the LED light-emitting chip 221 is provided with the surrounding dam 222, so that the light leakage risk is reduced, the light-transmitting mirror 223 and the surrounding dam 222 are arranged to jointly position the installation of the light cup 21, the accuracy of the installation position of the light cup 21 is ensured, and the improvement of the light-emitting effect is facilitated; in addition, the light-transmitting lens 223 can also converge and guide the light emitted by the LED light-emitting chip 221, so that the risk of light loss is reduced, and the light-emitting effect is further improved.
Further, the optical cup 21 is further provided with a mounting portion 212, and the mounting portion 212 is adhesively connected to the mounting substrate 22.
As can be seen from the above description, the mounting portion 212 is provided on the optical cup 21, which increases the contact area between the optical cup 21 and the mounting substrate 22, thereby improving the structural stability.
Further, the mounting substrate 22 is provided with a sink 224, and the mounting portion 212 is mounted in the sink 224.
As can be seen from the above description, the sink 224 is convenient for accommodating the mounting portion 212, which is beneficial for improving the compactness.
Further, the shape of the mounting portion 212 is the same as the shape of the sink 224.
As is apparent from the above description, the shape of the mounting portion 212 is set to be the same as the shape of the sink 224, so that the sink 224 can position the mounting of the mounting portion 212.
Further, the number of the mounting portions 212 is plural.
As can be seen from the above description, the number of the mounting portions 212 can be set according to actual application requirements.
Further, the bottom of the optical cup 21 is extended along the outer side thereof to form the mounting portion 212.
As is apparent from the above description, the mounting portion 212 extends outside the optical cup 21, and provides a space for the inside of the optical cup 21.
Further, the optical cup 21 is made of metal, plastic or glass.
From the above description, the material of the optical cup 21 may be selected according to practical application requirements.
Further, the transparent mirror 223 is made of acrylic material, optical glass or silica gel material.
As can be seen from the above description, the material of the light-transmitting mirror 223 can be set according to practical application requirements.
In order to solve the above technical problems, the present utility model further provides a projector, which includes the projection light source structure 2.
Example 1
Referring to fig. 1 and 2, a first embodiment of the utility model is as follows: a projector for projecting an image or video onto a curtain; the projector comprises a shell 1, a projection light source structure 2, a rear phenanthrene mirror 3, heat insulation glass 4, a front phenanthrene mirror 5, reflective glass 6 and a projection lens 7, wherein the projection light source structure 2, the rear phenanthrene mirror 3, the heat insulation glass 4, the front phenanthrene mirror 5, the reflective glass 6 and the projection lens 7 are arranged in the shell 1; the projection light source structure 2 comprises a mounting substrate 22 and a light cup 21 adhesively connected to the mounting substrate 22, wherein an LED light emitting chip 221 is arranged on the mounting substrate 22, a mounting hole 211 for exposing the LED light emitting chip 221 is arranged at the bottom of the light cup 21, a surrounding dam 222 with the same outline shape as the mounting hole 211 is arranged on the mounting substrate 22, the outer side wall of the surrounding dam 222 is abutted against the hole wall of the mounting hole 211, and the LED light emitting chip 221 is arranged at the inner side of the surrounding dam 222; the LED light-emitting chip 221 is covered by the light-transmitting mirror 223 and is connected with the surrounding dam 222, and the outline shape of the light-transmitting mirror 223 is the same as that of the surrounding dam 222; the mounting substrate 22 is mounted at the bottom of the inner side of the shell 1, and the rear phenanthrene mirror 3 is mounted at one side of the light cup 21, which is away from the mounting substrate 22; in detail, the light emitted from the LED light-emitting chip 221 passes through the light-transmitting mirror 223, and is converged by the light-transmitting mirror 223 and then projected to the projection lens 7 through the rear phenanthrene mirror 3, the heat-insulating glass 4, the front phenanthrene mirror 5 and the reflective glass 6; in detail, in the process of mounting the light cup 21 to the mounting substrate 22, the light-transmitting mirror 223 is matched with the mounting hole 211 of the light cup 21 in a positioning manner, so that the accuracy of the mounting position of the light cup 21 and the mounting substrate 22 is ensured, and the light-transmitting mirror can also be used for converging and guiding the light emitted by the LED light-emitting chip, so that the risk of light loss is reduced, and the light-emitting effect is further improved.
Alternatively, the shape of the light-transmitting mirror 3 may be cylindrical, prismatic, semi-circular or semi-elliptical, which may be specifically selected according to practical application requirements.
Preferably, the optical cup 21 is further provided with a mounting portion 212, the mounting portion 212 is adhesively connected to the mounting substrate 22, and the mounting portion 212 is disposed on the optical cup 21, so that the contact area between the optical cup 21 and the mounting substrate 22 is increased, which is beneficial to improving the structural stability; specifically, the mounting substrate 22 is provided with a sink 224, the mounting portion 212 is mounted in the sink 224, and the sink 224 is convenient for accommodating the mounting portion 212, so as to facilitate improvement of structural compactness; more specifically, the shape of the mounting portion 212 is the same as the shape of the sink 224, such that the sink 224 can position the mounting of the mounting portion 212; alternatively, the number of the mounting portions 212 may be plural, and specifically, the number of the mounting portions 212 may be set according to actual application requirements.
In this embodiment, the bottom of the light cup 21 extends along the outer side thereof to form the mounting portion 212, and the mounting portion 212 extends outside the light cup 21, so as to avoid a space for the inner side of the light cup 21; specifically, the material of the optical cup 21 is a metal material, a plastic material or a glass material; the transparent mirror 223 is made of acrylic material, optical glass or silica gel material; the materials of the light-transmitting lens 223 and the light cup 21 may be specifically selected according to practical application requirements.
In summary, the projection light source structure and the projector provided by the utility model have the characteristic of good light emitting effect, and the surrounding of the LED light emitting chip is provided with the surrounding dam, so that the risk of light leakage is reduced, the installation of the light cup is jointly positioned by the arrangement of the light transmitting lens and the surrounding dam, the accuracy of the installation position of the light cup is ensured, and the improvement of the light emitting effect is facilitated; in addition, the light-transmitting mirror can also be used for converging and guiding light rays emitted by the LED light-emitting chip, so that the risk of light loss is reduced, and the light-emitting effect is further improved.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent changes made by the specification and drawings of the present utility model, or direct or indirect application in the relevant art, are included in the scope of the present utility model.
Claims (9)
1. The projection light source structure comprises a mounting substrate and a light cup which is connected to the mounting substrate in an adhesive mode, wherein an LED light-emitting chip is arranged on the mounting substrate, and a mounting hole for exposing the LED light-emitting chip is formed in the bottom of the light cup; the LED light-emitting chip is characterized by further comprising a light-transmitting lens, wherein the light-transmitting lens covers the LED light-emitting chip and is connected with the surrounding dam, and the outline shape of the light-transmitting lens is the same as that of the surrounding dam.
2. The projection light source structure of claim 1, wherein the light cup is further provided with a mounting portion adhesively attached to the mounting substrate.
3. The projection light source structure according to claim 2, wherein the mounting substrate is provided with a sink, and the mounting portion is mounted in the sink.
4. A projection light source structure as defined in claim 3, wherein the shape of the mounting portion is the same as the shape of the sink.
5. The projection light source structure of claim 2, wherein the number of mounting portions is plural.
6. The projection light source structure of claim 2, wherein the bottom of the light cup extends along an outer side thereof to form the mounting portion.
7. The projection light source structure of claim 1, wherein the light cup is made of metal, plastic or glass.
8. The projection light source structure of claim 1, wherein the transparent lens is made of acrylic, optical glass or silica gel.
9. A projector comprising the projection light source structure of any one of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223408905.1U CN219066840U (en) | 2022-12-15 | 2022-12-15 | Projection light source structure and projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223408905.1U CN219066840U (en) | 2022-12-15 | 2022-12-15 | Projection light source structure and projector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219066840U true CN219066840U (en) | 2023-05-23 |
Family
ID=86348712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223408905.1U Active CN219066840U (en) | 2022-12-15 | 2022-12-15 | Projection light source structure and projector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219066840U (en) |
-
2022
- 2022-12-15 CN CN202223408905.1U patent/CN219066840U/en active Active
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