Projector ray machine with double air outlets and projector
By designing a cooling fan structure with dual air outlets and a semi-enclosed heat sink in the projector's optical engine, the problems of poor heat dissipation and high noise in traditional projector optical engines are solved, achieving more efficient heat dissipation and noise reduction.
Patent Information
- Application Number
- CN202520543843.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-26
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2035-03-26
AI Technical Summary
Traditional projectors suffer from poor heat dissipation of their optical engines. The single fan has a small air volume, low airflow rate at the exhaust vent, and high noise, resulting in unsatisfactory heat dissipation.
The projector optical engine is designed with dual air outlets, employing a dual-outlet cooling fan and radiator. The fan base partially surrounds the radiator to increase airflow and reduce noise.
It improves heat dissipation efficiency, reduces noise, and enhances the overall heat dissipation performance of the projector's optical engine.
Smart Images

Figure CN223611833U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the related technical field of projection equipment, concretely is projector light machine with double air outlet, simultaneously provides a kind of projector. BACKGROUND
[0002] With the popularity of electronic equipment, projector gradually enters the public vision, projector has the advantages such as big display surface, convenient movement, is used in meeting, teaching, demonstration and so on, gradually begins to enter family, more and more people plan to use projector to replace television as the audio-visual equipment of family, but the traditional projector currently has the following shortcomings:
[0003] 1. Conventional heat dissipation fan is generally single-fan structure, but single-fan air volume is small, leading to the poor overall heat dissipation of light machine;
[0004] 2. Single-air-outlet fan heat fan has low passing rate of air outlet, and fan may cause idling, leading to large noise;
[0005] 3. Conventional heat dissipation fan is independent individual, does not surround radiator, leading to suboptimal heat dissipation effect. INVENTION CONTENTS
[0006] In view of the above problems existing in the prior art, the projector light machine with double air outlets provided by the utility model is used to overcome the above defects in the prior art.
[0007] To achieve the above invention purposes, the technical scheme adopted by the utility model is as follows:
[0008] The projector light machine with double air outlets comprises a shell, a light source plate, a first reflector, a lens module, a second reflector, a projection lens, a heat sink, a heat dissipation fan, a radiator and a heat dissipation fan,
[0009] The light source plate, the first reflector, the lens module and the second reflector are arranged inside the shell, the left side of the lower end of the shell is provided with a heat dissipation port, the heat dissipation fan is located in the heat dissipation port, and the heat dissipation fan is located on the left side of the first reflector, the right side of the heat sink is connected with the heat dissipation port,
[0010] The right side of the upper end of the shell is provided with a projection port, the left end of the projection lens is connected with the projection port, the first reflecting mirror is located at the left side of the light source plate, the second reflecting mirror is located above the first reflecting mirror, the projection lens is located at the right side of the second reflecting mirror and above the light source plate, the lens module is located between the first reflecting mirror and the second reflecting mirror, the left side of the radiator is connected with the outer side wall of the shell, the connecting position of the radiator and the shell corresponds to the position of the light source plate, the right side of the radiator is connected with the cooling fan, and the front and rear ends of the cooling fan are respectively provided with air outlets.
[0011] In one of the embodiments, the cooling fan comprises a fan base, fan blades and a fan shell, the left end of the fan base is covered on the right end of the radiator, the fan shell is arranged on the right side wall of the fan base, the fan blades are arranged on the left side wall of the fan shell and located between the fan base and the fan shell, the air inlet is arranged on the fan base at the position opposite to the fan blades, and the air outlets are arranged on the front and rear ends of the fan shell.
[0012] In one of the embodiments, the fan shell comprises an upper side wall, a lower side wall and a right side wall, the two ends of the upper side wall and the lower side wall of the fan shell are respectively provided with fixing blocks, the fixing blocks are provided with through holes, the middle parts of the upper side wall and the lower side wall of the fan shell are respectively protruded upwards to form arc-shaped protruding parts, and the two protruding parts are symmetrically arranged with respect to the center point of the right side wall of the fan shell.
[0013] In one of the embodiments, the fan base comprises an upper side wall, a lower side wall, a front side wall, a rear side wall and a right side wall, the middle position of the right side wall of the fan base is provided with the air inlet, and the upper side wall, the lower side wall, the front side wall and the rear side wall of the fan base correspond to the outer sides of the upper side wall, the lower side wall, the front side wall and the rear side wall of the radiator.
[0014] In one of the embodiments, the width of the upper side wall of the fan base is smaller than the width of the upper side wall of the radiator, the width of the lower side wall of the fan base is equal to the width of the lower side wall of the radiator, and the front side wall and the rear side wall of the fan base are respectively provided with notches.
[0015] In one of the embodiments, the upper side wall, the front side wall and the rear side wall of the fan base are respectively provided with connecting plates, and the connecting plates are provided with through holes.
[0016] The utility model also provides a kind of projector, including shell, it is characterized by further including the projector light machine with double air outlet as described above, the projector light machine with double air outlet is arranged in the inside of the shell.
[0017] Compared with the prior art, the projector light machine with the double air outlets has the following advantages:
[0018] 1. The heat dissipation fan has the double air outlets, the air volume is increased by 50% under the same air pressure, the air outlet is smoother, the air volume passing through the radiator is more, the temperature of the radiator is reduced faster, and therefore the heat dissipation of the projector light machine is better.
[0019] 2. The heat dissipation fan with the double air outlets is smoother, and the noise is reduced by more than 1 DB under the same air pressure.
[0020] 3. The left end of the fan base of the heat dissipation fan is covered on the right end of the radiator, the radiator is semi-enclosed, and therefore the radiator can be effectively heat dissipated more concentratedly, and the heat dissipation efficiency of the radiator is obviously improved. BRIEF DESCRIPTION OF DRAWINGS
[0021] Figure 1 is a front view structural schematic diagram of the utility model;
[0022] Figure 2 is a three-dimensional structural schematic diagram of the fan base in the utility model;
[0023] Figure 3 is a three-dimensional structural schematic diagram of the utility model. DETAILED DESCRIPTION
[0024] In the description of the utility model, it is understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.
[0025] In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first", "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "a plurality of" is two or more, unless otherwise specifically limited.
[0026] In the utility model, unless another definite provision and limitation, the terms "mount", "link", "connect", "fix" and so on should do the broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be direct connection, also can indirectly connect through the intermediate medium, can be the communication of two elements or the interaction of two elements.For the ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0027] In the utility model, unless another definite provision and limitation, the first feature is "on" or "under" the second feature, which can be direct contact between the first and second features, or indirect contact between the first and second features through an intermediate medium.Moreover, the first feature "above", "above" and "on" the second feature can be directly above or obliquely above the first feature, or just indicate that the horizontal height of the first feature is higher than that of the second feature.The first feature "below", "below" and "below" the second feature can be directly below or obliquely below the first feature, or just indicate that the horizontal height of the first feature is less than that of the second feature.
[0028] In the description of the specification, the description of the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model.In this specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example.Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.In addition, the skilled in the art can combine and combine the different embodiments or examples described in the specification and the features of different embodiments or examples without contradiction.
[0029] As Figures 1-3 shown, in order to facilitate the description, the "up", "down", "left", "right", "front", "back" orientation reference in the utility model is based on the orientation shown in the drawings as the reference; Figure 1
[0030] The projector light machine with double air outlets comprises a shell 1, a light source plate, a first reflector, a lens module, a second reflector, a projection lens 2, a cooling fin 3, a cooling fan, a radiator 4 and a cooling fan 5,
[0031] The light source plate, the first reflector, the lens module and the second reflector are arranged in the interior of the shell 1, the left side of the lower end of the shell 1 is provided with a cooling port, the cooling fan is located in the cooling port, and the cooling fan is located at the left side of the first reflector, the right side of the cooling fin 3 is connected with the cooling port,
[0032] The right side of the upper end of the shell 1 is provided with a projection port, the left end of the projection lens 2 is connected with the projection port, the first reflecting mirror is located at the left side of the light source plate, the second reflecting mirror is located above the first reflecting mirror, the projection lens 2 is located at the right side of the second reflecting mirror and above the light source plate, the lens module is located between the first reflecting mirror and the second reflecting mirror, the left side of the heat sink 4 is connected with the outer side wall of the shell 1, and the connecting position of the heat sink 4 and the shell 1 corresponds to the position of the light source plate, the right side of the heat sink 4 is connected with the heat dissipation fan 5, and the front and rear ends of the heat dissipation fan 5 are respectively provided with air outlets; in the projector light machine with double air outlets provided by the utility model, the light emitted by the light source plate is reflected by the first reflecting mirror and passes through the lens module to reach the second reflecting mirror, and then is reflected by the second reflecting mirror to the projection lens; compared with the existing projector, the volume is more compact, the space inside the projector can be more fully utilized, and the packaging, transportation and storage costs are reduced; on the other hand, the heat dissipation fan in the utility model has double air outlets, the air volume is increased by 50% under the same air pressure, the air outlet is smoother, the air volume through the heat sink is larger, the temperature of the heat sink is reduced faster, and therefore the heat dissipation of the projector light machine is better.
[0033] Specifically, the heat dissipation fan 5 includes a fan base 51, fan blades 52 and a fan shell 53, the left end of the fan base 51 is covered on the right end of the heat sink 4, the fan shell 53 is arranged on the right side wall of the fan base 51, the fan blades 52 are rotatably arranged on the left side wall of the fan shell 53 and between the fan base 51 and the fan shell 53, the position opposite to the fan blades 52 on the fan base 51 is provided with an air inlet 511, and the front and rear ends of the fan shell 53 are respectively provided with air outlets 531.
[0034] Further, the fan shell 53 includes an upper side wall, a lower side wall and a right side wall, both ends of the upper side wall and the lower side wall of the fan shell 53 are respectively provided with fixing blocks 532, the fixing blocks 532 are provided with through holes, the connection between the fan shell 53 and the fan base 51 can be realized by using the fixing blocks and the through holes above the fixing blocks and cooperating with corresponding screws, the middle parts of the upper side wall and the lower side wall of the fan shell 53 are respectively protruded upwards to form arc-shaped protruding parts 533, and the two protruding parts 533 are symmetrically arranged relative to the center point of the right side wall of the fan shell 53 to adapt to the rotation of the fan blades 52.
[0035] In the embodiment, the fan base 51 comprises an upper side wall, a lower side wall, a front side wall, a rear side wall and a right side wall, a middle position of the right side wall of the fan base 51 is provided with an air inlet 511, the upper side wall, the lower side wall, the front side wall and the rear side wall of the fan base 51 correspond to the outer sides of the upper side wall, the lower side wall, the front side wall and the rear side wall of the radiator 4 to realize the connection relationship that the left end of the fan base 51 is covered on the right end of the radiator 4, and then the radiator 4 is semi-enclosed, so that the radiator 4 can be effectively cooled more concentratedly, and the heat dissipation efficiency of the radiator 4 is significantly improved.
[0036] In the embodiment, the width of the upper side wall of the fan base 51 is smaller than the width of the upper side wall of the radiator 4, the width of the lower side wall of the fan base 51 is equal to the width of the lower side wall of the radiator 4, and the front side wall and the rear side wall of the fan base 51 are respectively provided with notches, so that the connection between the fan base 51 and the radiator 4 is better, the right end of the radiator 4 is wrapped as much as possible under the premise of not affecting the cooperation and installation between the two, and then the heat dissipation efficiency of the radiator 4 is improved.
[0037] In the embodiment, the upper side wall, the front side wall and the rear side wall of the fan base 51 are respectively provided with connecting plates, the connecting plates are provided with through holes, the connecting plates and the through holes above the connecting plates are used to realize the connection between the fan base 51 and the shell 1 by cooperating with corresponding screws.
[0038] The utility model also provides a kind of projector, including shell, still including the projector light machine with double air outlet as described above, the projector light machine with double air outlet is set in the inside of shell to constitute the overall structure of projector.
[0039] The performance comparison data of conventional single-outlet cooling fan and the double-outlet cooling fan provided by the utility model are shown in the following table:
[0040]
[0041] As shown in the above table, the double-outlet cooling fan provided by the utility model has larger air volume and smaller noise under the condition of similar wind pressure compared with the conventional single-outlet cooling fan, so it can better improve the overall heat dissipation efficiency of the projector and is conducive to the long-term stable operation of the projector.
[0042] The technical features of the above-described embodiments can be combined arbitrarily, and to make the description concise, not all possible combinations of the technical features in the above-described embodiments are described, however, as long as the combinations of the technical features do not exist contradictory, they should be considered as the scope of the present application.
[0043] The above-described embodiments only express several implementation manners of the utility model, the description is more specific and detailed, but can not therefore be understood as the limitation of the utility model patent range. It should be pointed out that for ordinary skilled person in the art, without departing from the utility model concept, several deformations and improvements can be made, which belong to the protection range of the utility model. Therefore, the protection range of the utility model patent should be subject to the appended claims.
Claims
1. A projector light engine having dual air outlets, characterized by, The shell, light source plate, first reflector, lens module, second reflector, projection lens, heat sink, heat dissipation fan, radiator and heat dissipation fan, The light source plate, first reflector, lens module and second reflector are arranged in the interior of the shell, the left side of the lower end of the shell is provided with a heat dissipation port, the heat dissipation fan is located in the heat dissipation port, and the heat dissipation fan is located at the left side of the first reflector, the right side of the heat sink is connected with the heat dissipation port, The right side of the upper end of the shell is provided with a projection port, the left end of the projection lens is connected with the projection port, the first reflector is located at the left side of the light source plate, the second reflector is located above the first reflector, the projection lens is located at the right side of the second reflector and above the light source plate, the lens module is located between the first reflector and the second reflector, the left side of the radiator is connected with the outer side wall of the shell, and the connection position of the radiator and the shell corresponds to the position of the light source plate, the right side of the radiator is connected with the heat dissipation fan, and the front and rear ends of the heat dissipation fan are respectively provided with air outlets.
2. The projector light engine with dual air outlets of claim 1, wherein, The heat dissipation fan comprises a fan base, fan blades and a fan shell, the left end of the fan base is covered on the right end of the radiator, the fan shell is arranged on the right side wall of the fan base, the fan blades are rotatably arranged on the left side wall of the fan shell and located between the fan base and the fan shell, the position opposite to the fan blades on the fan base is provided with an air inlet, and the front and rear ends of the fan shell are respectively provided with the air outlets.
3. The projector light engine with dual air outlets of claim 2, wherein, The fan shell comprises an upper side wall, a lower side wall and a right side wall, both ends of the upper side wall and the lower side wall of the fan shell are respectively provided with fixing blocks, the fixing blocks are provided with through holes, the middle parts of the upper side wall and the lower side wall of the fan shell are respectively protruded upwards to form arc-shaped protruding parts, and the two protruding parts are symmetrically arranged with respect to the center point of the right side wall of the fan shell.
4. The projector light engine with dual air outlets of claim 2, wherein, The fan base comprises an upper side wall, a lower side wall, a front side wall, a rear side wall and a right side wall, the middle position of the right side wall of the fan base is provided with the air inlet, and the upper side wall, the lower side wall, the front side wall and the rear side wall of the fan base correspond to the outer side walls of the upper side wall, the lower side wall, the front side wall and the rear side wall of the radiator.
5. The projector light engine with dual air outlets of claim 4, wherein, The width of the upper side wall of the fan base is less than the width of the upper side wall of the radiator, the width of the lower side wall of the fan base is equal to the width of the lower side wall of the radiator, and the front side wall and the rear side wall of the fan base are respectively provided with notches.
6. The projector light engine with dual air outlets of claim 5, wherein, The upper side wall, the front side wall and the rear side wall of the fan base are respectively provided with connecting plates, and the connecting plates are provided with through holes.
7. A projector comprising a housing, characterized in that The shell, light source plate, first reflector, lens module, second reflector, projection lens, heat sink, heat dissipation fan, radiator and heat dissipation fan, The heat dissipation fan comprises a fan base, fan blades and a fan shell, the left end of the fan base is covered on the right end of the radiator, the fan shell is arranged on the right side wall of the fan base, the fan blades are rotatably arranged on the left side wall of the fan shell and located between the fan base and the fan shell, the position opposite to the fan blades on the fan base is provided with an air inlet, and the front and rear ends of the fan shell are respectively provided with the air outlets. The fan shell comprises an upper side wall, a lower side wall and a right side wall, both ends of the upper side wall and the lower side wall of the fan shell are respectively provided with fixing blocks, the fixing blocks are provided with through holes, the middle parts of the upper side wall and the lower side wall of the fan shell are respectively protruded upwards to form arc-shaped protruding parts, and the two protruding parts are symmetrically arranged with respect to the center point of the right side wall of the fan shell. The fan base comprises an upper side wall, a lower side wall, a front side wall, a rear side wall and a right side wall, the middle position of the right side wall of the fan base is provided with the air inlet, and the upper side wall, the lower side wall, the front side wall and the rear side wall of the fan base correspond to the outer side walls of the upper side wall, the lower side wall, the front side wall and the rear side wall of the radiator. The width of the upper side wall of the fan base is less than the width of the upper side wall of the radiator, the width of the lower side wall of the fan base is equal to the width of the lower side wall of the radiator, and the front side wall and the rear side wall of the fan base are respectively provided with notches. The upper side wall, the front side wall and the rear side wall of the fan base are respectively provided with connecting plates, and the connecting plates are provided with through holes. The shell, light source plate, first reflector, lens module, second reflector, projection lens, heat sink, heat dissipation fan, radiator and heat dissipation fan,