Projector ray machine with novel heat dissipation structure and projector

Abstract

The invention provides a projector light machine with a novel heat dissipation structure and a projector, and the light machine comprises a housing, a light source plate, a light hopper, a lens module, a reflector, a projection lens, a first radiator, an inner fan, a first wind scooper, a second wind scooper, a first outer fan, a second radiator, a second outer fan, and a third wind scooper. The invention further provides a projector, the projector comprises a shell, the projector ray machine with the novel heat dissipation structure is arranged in the shell to form the whole projector, by means of the projector ray machine with the novel heat dissipation structure, the overall heat dissipation effect and use convenience of the projector are improved, and the projector ray machine with the novel heat dissipation structure has the advantages of being simple in structure and convenient to use. Meanwhile, the overall size of the projector is reduced, and the projector is more convenient to carry and use by a user.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of projection equipment, in particular to a projector light machine with a novel heat dissipation structure, and also provides a projector. BACKGROUND

[0002] With the popularity of electronic equipment, projectors gradually enter the public view, projectors have the advantages of large display area, convenient movement, etc., and are mainly used in conferences, teaching, display and other occasions, and gradually begin to enter families, and more and more people plan to use projectors to replace televisions as home audio-visual equipment, but the traditional projector has the following shortcomings:

[0003] 1. The conventional projector is generally powered by an external power supply, so it cannot be used in places without an external power supply, which is inconvenient,

[0004] 2. The lens module in the conventional projector lens module is usually designed with only one piece of heat insulation glass, which causes heat to accumulate on the lcd screen and easily causes the polarizer to yellow;

[0005] 3. The inner circulation first heat sink area of the commonly used projector light machine is concentrated in the rear part of the screen frame, and the position in front of the fan inlet is usually not covered, resulting in a small heat dissipation area, which affects the heat dissipation effect;

[0006] 4. The overall volume of the projector commonly seen on the market is large, which makes it inconvenient to carry and use. SUMMARY

[0007] In view of the above problems existing in the prior art, the projector light machine with a novel heat dissipation structure and the projector provided by the present application are used to overcome the above-mentioned defects in the prior art.

[0008] To achieve the above-mentioned application purposes, the technical solutions adopted by the present application are as follows:

[0009] A projector light machine with a novel heat dissipation structure, comprising a shell, a light source plate, a light funnel, a lens module, a mirror, a projection lens, a first heat sink, an inner fan, a first wind guide cover, a second wind guide cover, a first outer fan, a second heat sink, a second outer fan and a third wind guide cover,

[0010] The inner fan, the light funnel, the reflector and the lens module are arranged inside the shell, the rear side of the upper end of the shell is provided with a projection port, the front end of the projection lens is located in the projection port, the reflector is arranged obliquely on the front side of the projection lens, the lens module is located below the reflector, the light funnel is located below the lens module, the lower end surface of the shell is provided with a light funnel mounting hole, the lower end of the light funnel penetrates through the light funnel mounting hole and is inserted into the light funnel mounting hole, the light source plate is mounted on the lower end of the shell, and the light emitting elements on the top end thereof are located inside the lower end of the light funnel,

[0011] The inner fan is located on the right side of the reflector, and the right side wall thereof is provided with an air inlet, the air outlet of the inner fan is communicated with the air inlet on the upper end of the right side of the lens module through the first air baffle, the air outlet on the upper end of the left side of the lens module is communicated with the air inlet on the lower end of the left side thereof, the air outlet on the lower end of the right side of the lens module is communicated with the air inlet end of the second air baffle, the air outlet end of the second air baffle extends downward, the right side wall of the shell is provided with a heat dissipation port, the left end of the first heat sink is located inside the heat dissipation port, the airflow from the inner fan flows through the first air baffle, the space on the upper layer of the lens module, the space on the lower layer of the lens module, the gap between the second air baffle and the shell, the gap between the second air baffle and the first heat sink, the gap between the first air baffle and the first heat sink and the gap between the inner fan and the first heat sink in sequence, and finally flows into the inner fan through the air inlet on the right side wall of the inner fan, thereby forming an internal circulation heat dissipation structure,

[0012] The third air baffle is arranged outside the right side of the first heat sink, the first outer fan is located on the right side of the upper end of the third air baffle, the second heat sink is located below the shell, and the upper end surface thereof is connected with the lower end surface of the light source plate, the second outer fan is located at the rear end below the second heat sink, the airflow from the first outer fan flows through the first heat sink, the third air baffle, the gap between the second heat sink and the shell and then is discharged to the outside of the projector, and the airflow from the second outer fan flows through the surface of the second heat sink and then is discharged to the outside of the projector, thereby forming an external heat dissipation structure.

[0013] In one of the embodiments, the light funnel, the projection lens and the first heat sink are respectively sealed and connected with the shell and the lens module.

[0014] In one of the embodiments, the lens module comprises a lens frame, the inside of the lens frame is sequentially provided with a rear neophel lens, a first heat insulation glass, an LCD screen, a second heat insulation glass and a front neophel lens from top to bottom, the gap between the rear neophel lens and the first heat insulation glass constitutes a first air inlet channel, the gap between the first heat insulation glass and the LCD screen constitutes a second air inlet channel, the gap between the LCD screen and the second heat insulation glass constitutes a first air outlet channel, and the gap between the second heat insulation glass and the front neophel lens constitutes a second air outlet channel.

[0015] The air outlet of the inner air fan is communicated with the left ends of the first air inlet channel and the second air inlet channel through the first air guide cover, the left ends of the first air inlet channel and the second air inlet channel are communicated with the left ends of the first air outlet channel and the second air outlet channel, and the right ends of the first air outlet channel and the second air outlet channel are communicated with the air inlet end of the second air guide cover.

[0016] In one of the embodiments, a protrusion is arranged on the shell at a position opposite to the left ends of the first air inlet channel and the second air inlet channel and the first air outlet channel and the second air outlet channel, and the left ends of the first air inlet channel and the second air inlet channel are communicated with the left ends of the first air outlet channel and the second air outlet channel through the protrusion.

[0017] In one of the embodiments, the first air guide cover and the second air guide cover are integrally formed, and the left side of the connection position of the first air guide cover and the second air guide cover is sealingly connected with the lens frame.

[0018] In one of the embodiments, the first heat sink comprises a first heat sink plate body, a plurality of first heat dissipation fins are arranged side by side on the left side wall and the right side wall of the first heat sink plate body, the first heat dissipation fins on the left side wall of the first heat sink plate body are located in the inside of the shell, the first heat sink plate body covers the outside of the heat dissipation port, the first heat dissipation fins on the right side wall of the first heat sink plate body are located at the lower end position, the first outer air fan is arranged at the upper end position of the right side of the first heat sink plate body, and the air inlet is arranged on the right side wall of the first outer air fan and the air outlet is arranged on the lower side wall.

[0019] In one of the embodiments, the second heat sink comprises a second heat sink plate body, the upper end surface of the second heat sink plate body is connected with the lower end surface of the light source plate, a plurality of second heat dissipation fins are arranged side by side on the front end of the lower end surface, the second outer air fan is arranged at the rear end of the lower end surface of the second heat sink plate body, and the air inlet is arranged on the lower side wall of the second outer air fan and the air outlet is arranged on the front side wall.

[0020] In one of the embodiments, the outer cover of the second outer fan and the second radiator is provided with a protective cover, the upper end of the protective cover is connected with the lower end of the shell, the lower end surface of the protective cover is provided with a through hole at the position corresponding to the air inlet of the second outer fan, and the front end opening of the protective cover is provided.

[0021] In one of the embodiments, the left side of the third air baffle is connected with the right side of the shell, and the middle part of the third air baffle is covered on the outer part of the first radiator fin on the right side wall of the first radiator, the upper end of the right side of the third air baffle is provided with a first outer fan mounting hole, the first outer fan is arranged in the first outer fan mounting hole, the lower end of the right side of the third air baffle is provided with a power panel mounting hole, and the power panel is arranged in the power panel mounting hole, the air flow from the first outer fan flows through the first radiator fin on the right side wall of the first radiator, the gap between the power panel and the shell, the gap between the second radiator and the shell in sequence, and then is discharged to the outside of the projector through the front end of the second radiator, and the air flow from the air outlet of the second outer fan flows through the radiator fin on the lower surface of the second radiator plate body, and then is discharged to the outside of the projector through the front end opening of the protective cover.

[0022] The application further provides a projector, which comprises a shell and a projector optical machine with a novel heat dissipation structure as described above.

[0023] Compared with the prior art, the projector optical machine with a novel heat dissipation structure and the projector provided by the application have the following advantages:

[0024] 1. The third air baffle in the application is provided with a power panel, which can provide power supply for the projector, so that the projector can work in places without external power supply.

[0025] 2. In the application, a heat insulation glass is added between the rear Neffel lens and the LCD screen, and the polaroid originally arranged on the LCD screen is changed to the newly added heat insulation glass, two air inlets are formed between the rear Neffel lens, the first heat insulation glass and the LCD screen, two air outlets are formed between the LCD screen, the second heat insulation glass and the front Neffel lens, cold air blows through the two air inlets and the two air outlets in sequence through the inner fan to carry away heat and become hot air, the hot air is cooled by the first radiator to become cold air again to enter the inner fan to complete the circulation, the air inlets and the air outlets in the lens module are double air duct heat dissipation structures, which greatly improve the heat dissipation effect of each lens in the lens module, prevent the polaroid from yellowing, and are beneficial to the long-term stable work of the projector.

[0026] Meanwhile, the air flow from the first outer fan flows through the first radiator, the third air baffle, the gap between the second radiator and the shell in sequence and is discharged to the outside of the projector, and the air flow from the second outer fan flows through the surface of the second radiator and is discharged to the outside of the projector, thereby forming an external heat dissipation structure as a whole, so that the projector light machine has a unique structure of internal and external heat dissipation, and the heat dissipation effect of the projector as a whole is greatly improved.

[0027] 3. In the application, the area of the first radiator is increased, so that the first radiator can cover the position of the air inlet of the inner fan, thereby improving the heat dissipation efficiency of the internal circulation heat dissipation air duct.

[0028] 4. By adjusting the position of the inner fan and the unique structure design of the first radiator and the second radiator, the volume of the radiator is greatly reduced, so that the volume of the projector light machine as a whole becomes more compact, thereby the volume of the projector as a whole can be significantly reduced, and the user can carry and use the projector conveniently. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 It is a schematic diagram of the three-dimensional structure of the projector light machine in the application;

[0030] Figure 2 It is a first partial schematic diagram of the three-dimensional structure of the projector light machine in the application;

[0031] Figure 3 It is a second partial schematic diagram of the three-dimensional structure of the projector light machine in the application;

[0032] Figure 4 It is a schematic diagram of the internal partial three-dimensional structure of the projector light machine in the application;

[0033] Figure 5 It is a schematic diagram of the three-dimensional structure of the first radiator in the application;

[0034] Figure 6 It is a schematic diagram of the three-dimensional structure of the second radiator in the application;

[0035] Figure 7 It is a schematic diagram of the partial three-dimensional structure of the second radiator in the application;

[0036] Figure 8 It is a schematic diagram of the three-dimensional structure of the third air baffle in the application;

[0037] Figure 9 It is a schematic diagram of the three-dimensional structure of the protective cover in the application. DETAILED DESCRIPTION

[0038] In the description of the application, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", and the like are intended to indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the application.

[0039] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the application, the meaning of "a plurality of" is two or more, unless otherwise explicitly specified and limited.

[0040] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0041] In the present application, unless otherwise explicitly specified and limited, 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 "above" the second feature can be directly above or obliquely above the first feature, or only 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 only indicate that the horizontal height of the first feature is less than that of the second feature.

[0042] In the description of the specification, the description of the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the 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 suitable manner in any one or more embodiments or examples. In addition, the person skilled in the art can combine and combine the different embodiments or examples described in the specification and the features of the different embodiments or examples without contradiction.

[0043] As shown in Figures 1-9 For the convenience of description, the "up", "down", "left", "right", "front", "back" orientation reference in the present application is based on the orientation shown in the drawings; Figure 4 As shown in the drawings;

[0044] A projector light machine with a new heat dissipation structure, comprising a shell 1, a light source plate 2, a light funnel 3, a lens module 4, a mirror 5, a projection lens 6, a first heat sink 7, an inner fan 8, a first air guide cover 9, a second air guide cover 10, a first outer fan 11, a second heat sink 12, a second outer fan 13 and a third air guide cover 14,

[0045] The inner fan 8, the light funnel 3, the mirror 5 and the lens module 4 are arranged inside the shell 1, the rear side of the upper end of the shell 1 is provided with a projection port, the front end of the projection lens 6 is located in the projection port, the mirror 5 is arranged obliquely on the front side of the projection lens 6, the lens module 4 is located below the mirror 5, the light funnel 3 is located below the lens module 4, the lower end surface of the shell 1 is provided with a light funnel mounting hole, the lower end of the light funnel 3 penetrates the light funnel mounting hole and is inserted into the light funnel mounting hole, the light source plate 2 is installed at the lower end of the shell 1, and the light emitting elements on the top end thereof are located inside the lower end of the light funnel 3. Therefore, the light emitted by the light emitting elements on the light source plate 2 is reflected by the mirror 5 to the projection lens 6 through the light funnel 3 and the lens module 4 for projection operation;

[0046] The inner fan 8 is located at the right side of the reflector 5, and the air inlet is arranged on the right side wall of the inner fan 8, the air outlet of the inner fan 8 is communicated with the air inlet of the upper end of the right side of the lens module 4 through the first air baffle 9, the air outlet of the upper end of the left side of the lens module 4 is communicated with the air inlet of the lower end of the left side, the air outlet of the lower end of the right side of the lens module 4 is communicated with the air inlet end of the second air baffle 10, the air outlet end of the second air baffle 10 extends downward, the heat dissipation port is arranged on the right side wall of the shell 1, and the left end of the first radiator 7 is located in the heat dissipation port, the air flow from the inner fan 8 flows through the first air baffle 9, the space of the upper layer of the lens module 4, the space of the lower layer of the lens module 4, the gap between the second air baffle 10 and the shell 1, the gap between the second air baffle 10 and the first radiator 7, the gap between the first air baffle 9 and the first radiator 7 and the gap between the inner fan 8 and the first radiator 7 in sequence, and finally flows into the inner fan 8 through the air inlet on the right side wall of the inner fan 8, thereby forming an inner circulation heat dissipation structure,

[0047] The third air baffle 14 is arranged outside the right side of the first radiator 7, the first outer fan 11 is located at the right side of the upper end of the third air baffle 14, the second radiator 12 is located below the shell 1, and the upper end surface of the second radiator 12 is connected with the lower end surface of the light source plate 2, and the second outer fan 13 is located at the rear end below the second radiator 12, the air flow from the first outer fan 11 flows through the first radiator 7, the third air baffle 14, the gap between the second radiator 12 and the shell 1 in sequence and is discharged to the outside of the projector, and the air flow from the second outer fan 13 flows through the surface of the second radiator 12 and is discharged to the outside of the projector, thereby forming an external heat dissipation structure, and the projector light machine provided by the application has the unique structure of internal and external heat dissipation, and the heat dissipation effect of the projector is greatly improved.

[0048] In the embodiment, the light funnel 3, the projection lens 6 and the first radiator 7 are respectively and sealingly connected with the shell 1 and the lens module 4, the light funnel 3, the projection lens 6 and the first radiator 7 are respectively and sealingly connected with the shell 1, so that the dust or foreign matters in the outside are effectively prevented from entering the inside of the shell 1, and the projection effect of the projector is ensured, the light funnel 3 and the lens module 4 are sealingly connected, so that the light leakage phenomenon between the light funnel 3 and the lens module 4 is avoided, and the projection effect of the projector is ensured.

[0049] In the embodiment, the lens module 4 comprises a lens frame 41, and the inside of the lens frame 41 is sequentially provided with, from top to bottom, a rear neophel lens 42, a first heat insulation glass 43, an LCD screen 44, a second heat insulation glass 45 and a front neophel lens 46 in sequence, gaps between the rear neophel lens 42 and the first heat insulation glass 43 constitute a first air inlet channel, gaps between the first heat insulation glass 43 and the LCD screen 44 constitute a second air inlet channel, gaps between the LCD screen 44 and the second heat insulation glass 45 constitute a first air outlet channel, and gaps between the second heat insulation glass 45 and the front neophel lens 46 constitute a second air outlet channel.

[0050] The air outlet of the inner air fan 8 is communicated with the left ends of the first air inlet channel and the second air inlet channel through the first air guide cover 9, the left ends of the first air inlet channel and the second air inlet channel are communicated with the left ends of the first air outlet channel and the second air outlet channel, and the right ends of the first air outlet channel and the second air outlet channel are communicated with the air inlet end of the second air guide cover 10.

[0051] Through the above technology, the air flow from the inner air fan 8 will flow through the first air guide cover 9, the first air inlet channel and the second air inlet channel on the upper layer of the lens module 4, the first air outlet channel and the second air outlet channel on the lower layer of the lens module 4, the gap between the second air guide cover 10 and the shell 1, the gap between the second air guide cover 10 and the first radiator 7, the gap between the first air guide cover 9 and the first radiator 7, and the gap between the inner air fan 8 and the first radiator 7 in sequence, and finally flows into the inner air fan 8 through the air inlet on the right side wall of the inner air fan 8, thereby forming a complete circulating heat dissipation air flow; meanwhile, the air inlet channel and the air outlet channel in the lens module 4 are double air channel heat dissipation structures, which further improve the heat dissipation effect of the lens module 4.

[0052] In the embodiment, a protruding portion 15 is arranged on the shell 1 at a position opposite to the left ends of the first air inlet channel and the second air inlet channel and the first air outlet channel and the second air outlet channel, the left ends of the first air inlet channel and the second air inlet channel are communicated with the left ends of the first air outlet channel and the second air outlet channel through the protruding portion 15, specifically, the arc-shaped protruding portion 15 protruding outward can well guide the air from the air outlets on the left sides of the first air inlet channel and the second air inlet channel into the air inlets on the left sides of the first air outlet channel and the second air outlet channel, thereby ensuring the stable flow of the entire circulating heat dissipation air flow in the light machine.

[0053] In the embodiment, the first air guide cover 9 and the second air guide cover 10 are integrally formed, and the left side of the connection position of the first air guide cover 9 and the second air guide cover 10 is sealingly connected with the lens frame 41, thereby well avoiding the phenomenon of air flow mutual flow between the first air guide cover 9 and the second air guide cover 10, and thereby ensuring the orderly flow of the entire circulating heat dissipation air flow in the light machine.

[0054] In the embodiment, the first heat sink 7 comprises a heat sink plate body 71, a plurality of first heat dissipation fins 72 are arranged side by side on the left side wall and the right side wall of the heat sink plate body 71 respectively, the first heat dissipation fins 72 on the left side wall of the heat sink plate body 71 are located inside the shell 1, the heat sink plate body 71 covers the outside of the heat dissipation port and is sealingly connected, so as to avoid the gap between the two and the phenomenon that dust or foreign matter enters the shell 1, the first heat dissipation fins 72 on the right side wall of the heat sink plate body 71 are located at the lower end position, the first outer fan 11 is arranged at the upper end position of the right side of the heat sink plate body 71, the air inlet is arranged on the right side wall of the first outer fan 11, and the air outlet is arranged on the lower side wall, so that the heat in the entire circulating heat dissipation airflow in the light machine is first transferred to the first heat dissipation fins 72 on the left side wall of the heat sink plate body 71, and then transferred to the first heat dissipation fins 72 on the right side wall of the heat sink plate body 71, and then the first outer fan 11 inhales the airflow through the air inlet on the right side wall thereof and spouts from the air outlet on the lower side wall thereof, so as to flow through the first heat dissipation fins 72 on the right side wall of the heat sink plate body 71 to take away the heat on the surface thereof, thereby achieving the purpose of heat dissipation of the light machine.

[0055] Further, the first heat dissipation fins 72 on the left and right side walls of the heat sink plate body 71 are longitudinally spaced, so that airflow channels are formed between the plurality of first heat dissipation fins 72, which not only facilitates the airflow, but also increases the contact area between the first heat dissipation fins 72 and the air, thereby improving the heat dissipation efficiency.

[0056] In the embodiment, the second heat sink 12 comprises a second heat sink plate body 121, the upper end face of the second heat sink plate body 121 is connected with the lower end face of the light source plate 2, a plurality of second heat dissipation fins 122 are arranged side by side on the front end of the lower end face, and the second outer fan 13 is arranged at the rear end of the lower end face of the second heat sink plate body 121, the air inlet is arranged on the lower side wall of the second outer fan 13, and the air outlet is arranged on the front side wall, therefore, the heat generated by the light source plate 2 is directly transferred to the second heat sink plate body 121 and then to the second heat dissipation fins 122, and then the airflow from the second outer fan 13 flows through the lower surface of the second heat sink plate body 121 and the plurality of second heat dissipation fins 122, thereby achieving the purpose of heat dissipation of the light source plate 2.

[0057] Specifically, the second radiator plate body 121 comprises heat-conducting pipes 1211 and heat-conducting plates 1212, a plurality of heat-conducting pipes 1211 and two heat-conducting plates 1212 are arranged side by side, the two heat-conducting plates 1212 are arranged at intervals, the plurality of heat-conducting pipes 1211 and the two heat-conducting plates 1212 are wrapped with a heat-conducting film to form the second radiator plate body 121, and a plurality of second radiating fins 122 are arranged side by side on the lower surface of the second radiator plate body 121, wherein the heat-conducting pipes 1211 are made of copper material, the heat-conducting plates 1212 are made of aluminum or copper material, the heat-conducting film is aluminum foil, the second radiating fins 122 are made of aluminum material, and the plurality of second radiating fins 122 are adhered to the surface of the heat-conducting film by heat-conducting glue,

[0058] The heat-conducting pipes 1211, the heat-conducting plates 1212, the second radiating fins 122 and the heat-conducting film are integrated and combined together, the linear heat-conducting pipes 1211 are opposite to the curved heat-conducting pipes in the conventional radiator for the projector, so that the heat-conducting pipes 1211, the heat-conducting plates 1212, the second radiating fins 122 and the heat-conducting film are integrated and combined together, and the whole is in a plate structure, and the overall thickness is much smaller than that of the conventional radiator for the projector, so that the overall volume of the second radiator 12 provided by the present application can be further reduced.

[0059] In the embodiment, the second outer fan 13 and the outer cover of the second radiator 12 are provided with a protective cover 16, the upper end of the protective cover 16 is connected with the lower end of the shell 1, the lower end surface of the protective cover 16 is provided with a through hole at a position corresponding to the air inlet of the second outer fan 13, and the front end of the protective cover 16 is open. By arranging the protective cover 16, the second outer fan 13 and the second radiator 12 can be protected, and the airflow generated by the second outer fan 13 can be more concentrated and quickly blown to the second radiator 12, thereby further improving the heat dissipation effect.

[0060] In the embodiment, the left side shell 1 of the third air deflector 14 is connected to the right side of the left side shell 1, and the middle part of the third air deflector 14 is arranged outside the first heat dissipation fins 72 on the right side wall of the first heat sink 7, the upper end of the right side of the third air deflector 14 is provided with a first outer fan mounting hole, the first outer fan 11 is arranged in the first outer fan mounting hole, the lower end of the right side of the third air deflector 14 is provided with a power panel mounting hole, the power panel mounting hole is provided with the power panel 17, the air flow from the first outer fan 11 flows through the first heat dissipation fins 72 on the right side wall of the first heat sink 7, the gap between the power panel 17 and the shell 1, the gap between the second heat sink 12 and the shell 1 in sequence, and then is discharged to the outside of the projector through the front end of the second heat sink 12, at the same time, the air flow from the air outlet of the second outer fan 13 flows through the heat dissipation fins 122 on the lower surface of the second heat sink plate body 121, and then is discharged to the outside of the projector through the front end opening of the protective cover 16, therefore, the air flow from the first outer fan 11 flows through the first heat dissipation fins 72 on the right side wall of the first heat sink 7, the gap between the power panel 17 and the shell 1, the gap between the second heat sink 12 and the shell 1 in sequence, and then is discharged to the outside of the projector through the front end of the second heat sink 12, so as to realize the purpose of discharging the heat in the light machine to the outside of the projector, on the other hand, the air flow from the air outlet of the second outer fan 13 flows through the heat dissipation fins 122 on the lower surface of the second heat sink plate body 121, and then is discharged to the outside of the projector through the front end opening of the protective cover 16, so as to realize the purpose of discharging the heat generated by the light source panel 2 to the outside of the projector, therefore, the whole projector has the unique structure of internal and external double heat dissipation, greatly improves the overall heat dissipation effect of the projector, at the same time, the power panel 17 is arranged on the third air deflector 14, the power panel 17 can provide power for the projector, therefore, the projector can be used in places without external power supply, further improving the convenience of users using the projector.

[0061] The application further provides a projector, which comprises a shell and a projector light machine with a novel heat dissipation structure as described above, wherein the projector light machine with a novel heat dissipation structure is arranged in the shell.

[0062] The technical features of the above-mentioned embodiments can be combined arbitrarily, and for the sake of brevity, all possible combinations of the technical features in the above-mentioned embodiments are not 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.

[0063] The above embodiments only express several implementation manners of the present application, and the description is more specific and detailed, but it should not be understood as a limitation on the patent scope of the present application. It should be noted that for ordinary skilled persons in the art, without departing from the concept of the present application, several modifications and improvements can be made, which are within the protection scope of the present application. Therefore, the protection scope of the patent of the present application should be subject to the appended claims.

Claims

1. A projector light engine having a novel heat dissipation structure, characterized in that, The shell, the light source plate, the light funnel, the lens module, the mirror, the projection lens, the first heat sink, the inner fan, the first air guide cover, the second air guide cover, the first outer fan, the second heat sink, the second outer fan and the third air guide cover, The inner fan, the light funnel, the mirror and the lens module are arranged in the interior of the shell, the rear side of the upper end of the shell is provided with a projection port, the front end of the projection lens is located in the projection port, the mirror is arranged obliquely on the front side of the projection lens, the lens module is located below the mirror, the light funnel is located below the lens module, the lower end surface of the shell is provided with a light funnel mounting hole, the lower end of the light funnel penetrates through the light funnel mounting hole and is inserted into the light funnel mounting hole, the light source plate is mounted on the lower end of the shell, and the light emitting elements on the top end thereof are located in the interior of the lower end of the light funnel, The inner fan is located on the right side of the mirror, and the air inlet is arranged on the right side wall of the inner fan, the air outlet of the inner fan is communicated with the air inlet on the upper end on the right side of the lens module through the first air guide cover, the air outlet on the upper end on the left side of the lens module is communicated with the air inlet on the lower end on the left side thereof, the air outlet on the lower end on the right side of the lens module is communicated with the air inlet end of the second air guide cover, the air outlet end of the second air guide cover extends downward, the heat dissipation port is arranged on the right side wall of the shell, the left end of the first heat sink is located in the interior of the heat dissipation port, the airflow from the inner fan flows through the first air guide cover, the space on the upper layer of the lens module, the space on the lower layer of the lens module, the gap between the second air guide cover and the shell, the gap between the second air guide cover and the first heat sink, the gap between the first air guide cover and the first heat sink and the gap between the inner fan and the first heat sink in sequence, and finally flows into the inner fan through the air inlet on the right side wall of the inner fan, thereby forming an internal circulation heat dissipation structure, The third air guide cover is arranged outside the right side of the first heat sink, the first outer fan is located on the right side of the upper end of the third air guide cover, the second heat sink is located below the shell, and the upper end surface thereof is connected with the lower end surface of the light source plate, the second outer fan is located at the rear end below the second heat sink, the airflow from the first outer fan flows through the first heat sink, the third air guide cover, the gap between the second heat sink and the shell in sequence and is discharged to the outside of the projector, and the airflow from the second outer fan flows through the surface of the second heat sink and is discharged to the outside of the projector, thereby forming an external heat dissipation structure.

2. The projector light engine with a novel heat dissipation structure according to claim 1, characterized in that, The light funnel, the projection lens and the first heat sink are respectively and sealingly connected with the shell and the lens module.

3. The projector light engine with a novel heat dissipation structure according to claim 1, characterized in that, The lens module comprises a lens frame, the inside of the lens frame is sequentially provided with a rear neophel lens, a first heat insulation glass, an LCD screen, a second heat insulation glass and a front neophel lens from top to bottom, the gap between the rear neophel lens and the first heat insulation glass constitutes a first air inlet channel, the gap between the first heat insulation glass and the LCD screen constitutes a second air inlet channel, the gap between the LCD screen and the second heat insulation glass constitutes a first air outlet channel, and the gap between the second heat insulation glass and the front neophel lens constitutes a second air outlet channel, The air outlet of the inner fan is communicated with the left ends of the first air inlet channel and the second air inlet channel through the first air guide cover, the left ends of the first air inlet channel and the second air inlet channel are communicated with the left ends of the first air outlet channel and the second air outlet channel, and the right ends of the first air outlet channel and the second air outlet channel are communicated with the air inlet end of the second air guide cover.

4. The projector light engine with a novel heat dissipation structure according to claim 3, characterized in that, A protrusion is arranged on the shell at a position opposite to the left ends of the first air inlet channel and the second air inlet channel and the first air outlet channel and the second air outlet channel, and the first air inlet channel and the second air inlet channel are communicated with the first air outlet channel and the second air outlet channel through the protrusion.

5. The projector light engine with a novel heat dissipation structure according to claim 4, characterized in that, The first air guide cover and the second air guide cover are integrally formed, and the left side of the connection position of the first air guide cover and the second air guide cover is sealingly connected with the lens frame.

6. The projector light engine with a novel heat dissipation structure according to claim 1, characterized in that, The first heat dissipation device comprises a first heat dissipation plate body, a plurality of first heat dissipation fins are arranged side by side on the left side wall and the right side wall of the first heat dissipation plate body, the first heat dissipation fins on the left side wall of the first heat dissipation plate body are located in the inside of the shell, the first heat dissipation plate body covers the outside of the heat dissipation port, the first heat dissipation fins on the right side wall of the first heat dissipation plate body are located at the lower end position, the first outer fan is arranged at the upper end position of the right side of the first heat dissipation plate body, an air inlet is arranged on the right side wall of the first outer fan, and an air outlet is arranged on the lower side wall.

7. The projector light engine with a novel heat dissipation structure according to claim 6, characterized in that, The second heat dissipation device comprises a second heat dissipation plate body, the upper end surface of the second heat dissipation plate body is connected with the lower end surface of the light source plate, a plurality of second heat dissipation fins are arranged side by side on the front end of the lower end surface, and the second outer fan is arranged at the rear end of the lower end surface of the second heat dissipation plate body.

8. The projector light engine with a novel heat dissipation structure according to claim 7, characterized in that, The second outer fan and the second heat dissipation device are covered with a protective cover, the upper end of the protective cover is connected with the lower end of the shell, a through hole is arranged on the lower end surface of the protective cover at a position corresponding to the air inlet of the second outer fan, and the front end of the protective cover is open.

9. The projector light engine with a novel heat dissipation structure according to claim 8, characterized in that, The right side of the left side of the third air baffle is connected with the shell, and the middle part of the third air baffle is arranged outside the first heat dissipation fin on the right side wall of the first heat sink; the upper end of the right side of the third air baffle is provided with a first outer fan mounting hole, and the first outer fan is arranged in the first outer fan mounting hole; the lower end of the right side of the third air baffle is provided with a power panel mounting hole, and the power panel is arranged in the power panel mounting hole; the air flow from the first outer fan flows through the first heat dissipation fin on the right side wall of the first heat sink, the gap between the power panel and the shell, the gap between the second heat sink and the shell in sequence, and then is discharged to the outside of the projector through the front end of the second heat sink; the air flow from the air outlet of the second outer fan flows through the heat dissipation fin on the lower surface of the second heat sink plate body, and then is discharged to the outside of the projector through the front end opening of the protective cover.

10. A projector comprising a housing, characterized in that The projector optical machine with the novel heat dissipation structure also comprises the projector optical machine with the novel heat dissipation structure as claimed in any one of claims 1-9, and the projector optical machine with the novel heat dissipation structure is arranged in the inside of the shell.

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