CN219916159U - Radiator with double-fan structure and projector - Google Patents

Abstract

The utility model discloses a radiator with a double-fan structure, which comprises a radiator support, a radiator group, two radiating fans and a heat transfer component, wherein the two radiating fans are arranged on one side of the radiator support side by side, the radiator group comprises a first radiating fin component and a second radiating fin component, the first radiating fin component and the second radiating fin component are arranged on the other side of the radiator support at intervals, the heat transfer component is positioned between the first radiating fin component and the second radiating fin component, one end of the heat transfer component is inserted into the first radiating fin component, the other end of the heat transfer component is inserted into the second radiating fin component, air inlet holes are respectively formed in positions, corresponding to the two radiating fans, of the radiator support, of the projector, and two independent radiating systems inside and outside the projector are used for enabling air flow to be smooth and free from disorder during radiating, reducing heat accumulation, and the two radiating sub fans arranged side by side enable the structure of the whole projector to be more compact and smaller in size so as to be convenient for a user to carry.

Description

Radiator with double-fan structure and projector

Technical Field

The utility model relates to the technical field of projectors, in particular to a radiator with a double-fan structure, and further relates to a projector.

Background

With the continuous development of technology, projection technology is continuously advanced, projectors are widely applied to meeting, teaching, entertainment and other places, and with the wide application and use frequency improvement of projectors, higher requirements are also put on the aspects of heat dissipation, volume and the like of the projectors, but the traditional projectors at present have the following defects:

1. the single-fan structure ensures that the heat dissipation effect is better if the indexes such as air quantity, air pressure and the like are excellent, namely the size is large, but the large-size fans usually cause the outline size of the optical machine of the projector to be obviously increased so as to influence the overall size of the projector, and the projector is inconvenient for a user to carry;

2. the light source component, the optical component and the like which are arranged in the projector at present share one set of heat dissipation system, so that internal air flow is disturbed, the heat dissipation effect is extremely poor, good heat dissipation cannot be achieved after the projector is used for a long time, and the service life of the projector is reduced.

Disclosure of Invention

The technical problem to be solved by the utility model is to provide a radiator with a double-fan structure and a projector aiming at the defects in the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the radiator with the double-fan structure is characterized by comprising a radiator support, a radiating fin group, two radiating fans and a heat transfer component, wherein the two radiating fans are arranged on one side of the radiator support side by side, the radiating fin group comprises a first radiating fin component and a second radiating fin component, the first radiating fin component and the second radiating fin component are arranged on the other side of the radiator support at intervals, the heat transfer component is positioned between the first radiating fin component and the second radiating fin component, one end of the heat transfer component is inserted into the first radiating fin component, the other end of the heat transfer component is inserted into the second radiating fin component, air inlet holes are respectively formed in positions, corresponding to the two radiating fans, on the radiator support, and heat in the first radiating fin component, the second radiating fin component and the heat transfer component is discharged by the radiating fans through the air inlet holes.

In one embodiment, the side wall of the radiator support is provided with a mounting groove, two radiating fans are arranged in the mounting groove, two air inlet holes are arranged in the mounting groove, the two air inlet holes are arranged in one-to-one correspondence with the air inlets of the radiating fans,

two radiating fin clamping grooves are formed in the top end of the radiator support at intervals, and one ends of the first radiating fin assembly and the second radiating fin assembly are respectively arranged in the radiating fin clamping grooves.

In one embodiment, the heat transfer component comprises a heat transfer substrate and a plurality of heat conduction pipes, a plurality of grooves are arranged on the side wall of the heat transfer substrate, the plurality of heat conduction pipes are correspondingly arranged in the plurality of grooves,

the radiator comprises a radiator support, a first radiating fin assembly, a second radiating fin assembly, a plurality of through holes, slotted holes, heat conducting pipes, through holes and slotted holes, wherein the through holes are respectively arranged on the first radiating fin assembly and the second radiating fin assembly, the slotted holes are respectively arranged on the side walls of the two ends of the radiator support, and the two ends of the heat conducting pipes are correspondingly inserted into the through holes on the first radiating fin assembly and the second radiating fin assembly and the slotted holes on the two ends of the radiator support.

In one embodiment, the first fin component and the second fin component respectively comprise a plurality of fins arranged at intervals, the through holes are formed in the fins, the side faces of the fins are 7-shaped, the bottom ends, far away from one side of the cooling fan, of the fins are rounded corners, and the protruding parts of the upper ends of the fins in the first fin component and the second fin component are respectively clamped in the fin clamping grooves.

In one embodiment, the heat transfer substrate is provided with a plurality of threaded holes, the side walls at two ends of the radiator support are respectively provided with a plurality of threaded holes, and the upper end and the lower end of the radiator support, which are far away from one side of the radiator fan, are respectively provided with clamping plates.

The utility model also provides a projector, which comprises a shell, the radiator with the double-fan structure, a light machine arranged in the shell, a light source component, a lens, a first reflector, a lens module, an image display module, a second reflector and a radiating component,

the side wall of the shell is provided with a lens mounting opening and a light source assembly mounting opening from top to bottom, the light source assembly is mounted in the light source assembly mounting opening, the radiator is positioned at the outer side of the light source assembly and is connected with the shell, the heat transfer substrate is arranged on the outer side wall of the light source assembly and is positioned in the light source assembly mounting opening, the lens is mounted in the lens mounting opening, the heat radiation assembly mounting opening is formed in the position, opposite to the light source assembly mounting opening, of the shell, the heat radiation assembly is mounted in the heat radiation assembly mounting opening,

the light emitted by the light source component is transmitted to the lens through the second reflector, the image display module, the lens module and the first reflector.

In one embodiment, the light source assembly mounting opening is positioned between the first radiating fin assembly, the second radiating fin assembly and the upper clamping plate and the lower clamping plate, a plurality of threaded holes are formed on the shell positioned around the light source assembly mounting opening,

the radiator is characterized in that a plurality of fixing rods are arranged on the outer side wall of the shell, the fixing rods correspond to threaded holes in two ends of the radiator support one by one, and threaded holes are formed in the outer end face of each fixing rod.

In one embodiment, two sounds are symmetrically arranged on two sides of the upper end of the shell, the two sounds are arranged on two sides of the lens mounting opening, a main board is arranged on the top end of the shell, a control chip is arranged on the main board, an adjusting device for adjusting the projection focal length of the lens is arranged on the outer side wall of the shell, and the adjusting device is located below the lens.

In one embodiment, the adjusting device comprises an adjusting motor, a gear is arranged on a main shaft of the adjusting motor, a focusing ring is rotatably arranged outside the lens, a plurality of gear teeth are arranged on the outer side wall of the focusing ring, the gear is meshed with the gear teeth on the focusing ring, and the adjusting motor is electrically connected with the control chip.

The beneficial effects of the utility model are as follows:

1. according to the radiator with the double-fan structure, the two fans which are smaller in size and arranged in parallel are used for radiating the light source component in the optical machine, so that the overall size of the radiator can be effectively reduced under the condition of ensuring excellent indexes such as air quantity and air pressure, and the optical machine structure of the whole projector is simpler and more compact, the whole volume of the projector is smaller, the space in the projector can be more fully utilized, and the radiator is more convenient for a user to carry;

2. the projector provided by the utility model is provided with the inner and outer independent heat dissipation systems which are respectively used for heat dissipation of different components, so that air flow is smoother and is not disturbed during heat dissipation, and heat generated by each component during use can be reduced to be accumulated, so that long-term stable operation of each component is ensured.

Drawings

FIG. 1 is a first perspective view of a radiator with a dual fan structure;

FIG. 2 is a second perspective view of a radiator with a dual fan structure;

FIG. 3 is a first partial perspective view of a radiator with a dual fan structure;

FIG. 4 is a schematic view of a second partial perspective view of a heat sink with a dual fan configuration;

FIG. 5 is a schematic perspective view of a heat sink assembly;

FIG. 6 is a schematic perspective view of a projector;

FIG. 7 is a first partial perspective view of a projector;

fig. 8 is a second partial perspective view of the projector.

Detailed Description

In the description of the present utility model, it should be 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 an orientation or positional relationship based on that shown in the drawings, merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are 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 one or more such feature. In the description of the present utility model, the meaning of "plurality" is two or more unless specifically defined otherwise.

In the present utility model, unless explicitly specified 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 above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

As described in fig. 1-8:

the radiator with the double-fan structure comprises a radiator support 1, a radiator fin group 2, two radiator fans 3 and a heat transfer component 4, wherein the two radiator fans 3 are arranged on one side of the radiator support 1 side by side, the radiator fin group 2 comprises a first radiator fin component 21 and a second radiator fin component 22, the first radiator fin component 21 and the second radiator fin component 22 are arranged on the other side of the radiator support 1 at intervals, the heat transfer component 4 is positioned between the first radiator fin component 21 and the second radiator fin component 22, one end of the heat transfer component 4 is inserted into the first radiator fin component 21, the other end of the heat transfer component is inserted into the second radiator fin component 22, air inlet holes 111 are respectively formed in positions, corresponding to the two radiator fans 3, of the radiator support 1, and heat from the first radiator fin component 21, the second radiator fin component 22 and the heat transfer component 4 is discharged by the radiator fans 3 through the air inlet holes 111.

According to the radiator with the double-fan structure, two cooling fans 3 are arranged on the radiator support 1 side by side, the size of the whole radiator can be made smaller while the cooling effect is ensured by the arrangement of the double fans, so that the whole radiator can be made smaller, the radiator is convenient for a user to carry, the heat transfer component 4 can be arranged on the outer side wall of the optical machine of the projector and is connected with elements in the optical machine of the projector, when the projector works, heat generated by the elements in the optical machine of the projector is transferred to the heat transfer component 4, at the moment, the two cooling fans 3 operate to guide the heat on the heat transfer component 4 out of the optical machine of the projector through the air inlet 111 on the radiator support 1 through the first cooling fin component 21 and the second cooling fin component 22, and compared with the traditional working principle of internal circulation of the radiator arranged in the optical machine of the projector, the radiator utilizes the heat transfer component 4 to guide the heat, and the two cooling fans 3 are used for discharging the optical machine, so that internal turbulence is avoided, and the radiator is simple and efficient.

In the present embodiment, a mounting groove 11 is provided on the side wall of the radiator support 1, two cooling fans 3 are provided in the mounting groove 11, two air inlet holes 111 are provided in the mounting groove 11, the two air inlet holes 111 are provided in one-to-one correspondence with the air inlets of the cooling fans 3, when the two cooling fans 3 are operated, the heat on the heat transfer component 4 and the first cooling fin component 21 and the second cooling fin component 22 is conducted out through the air inlet holes 111 in the mounting groove 11, the air inlets of the cooling fans 3 are conducted out through the impellers in the two cooling fans 3,

the radiator support 1 top interval is provided with two fin draw-in grooves 12, and the one end of first fin subassembly 21 and second fin subassembly 22 sets up respectively in fin draw-in groove 12, fixes first fin subassembly 21 and second fin subassembly 22 on radiator support 1 through two draw-in grooves 12, avoids leading to first fin subassembly 21 and second fin subassembly 22 to become flexible because of vibrations.

In this embodiment, the heat transfer assembly 4 includes a heat transfer substrate 41 and a plurality of heat conducting pipes 42, elements inside the projector can be mounted on the heat transfer substrate 41, a plurality of grooves are provided on the side wall of the heat transfer substrate 41, the plurality of heat conducting pipes 42 are correspondingly mounted in the plurality of grooves, heat generated by the elements inside the projector is transferred to the heat conducting pipes 42 through the heat transfer substrate 41,

the first radiating fin component 21 and the second radiating fin component 22 are respectively provided with a plurality of through holes 23, the side walls of the two ends of the radiator support 1 are respectively provided with slotted holes 24, the two ends of the heat conducting pipe 42 are correspondingly inserted into the through holes 23 of the first radiating fin component 21 and the second radiating fin component 22 and the slotted holes 24 of the two ends of the radiator support 1, and the heat of the first radiating fin component 21, the second radiating fin component 22 and the heat conducting pipe 42 is fully radiated through the wind blown out by the radiating fan 3.

In this embodiment, the first fin assembly 21 and the second fin assembly 22 respectively include a plurality of fins arranged at intervals, the fins are provided with through holes 23, the side surfaces of the fins are in a shape of 7, the bottom ends of the fins, which are far away from the cooling fan 3, are rounded corners, and the protruding parts of the upper ends of the fins in the first fin assembly 21 and the second fin assembly 22 are respectively clamped in the fin clamping grooves 12.

In this embodiment, the heat transfer substrate 41 is provided with a plurality of threaded holes, the components inside the projector can be screwed on the heat transfer substrate 41 by screws, the side walls at the two ends of the radiator support 1 are respectively provided with a plurality of threaded holes, the radiator can be screwed on the housing of the optical machine of the projector by screws, the upper and lower ends of the radiator support 1, which are far away from the cooling fan 3, are respectively provided with the clamping plates 13, the housing of the optical machine of the projector can be clamped between the upper and lower clamping plates 13, so that the connection between the radiator and the housing of the optical machine of the projector is tighter, and the heat from the light source assembly 51 can be emitted by the cooling fan as completely as possible, and the escape from the gap between the radiator and the housing of the optical machine of the projector is avoided.

The utility model also provides a projector, which comprises a shell, and the radiator with the double-fan structure, wherein a ray machine is arranged in the shell, the ray machine comprises a shell 5, a light source component 51, a lens 52, a first reflector 53, a lens module 54, an image display module 55, a second reflector 57 and a heat radiation component 56, a lens mounting opening and a light source component mounting opening are arranged on the side wall of the shell from top to bottom, the light source component 51 is arranged in the light source component mounting opening, the radiator is positioned at the outer side of the light source component 51 and is connected with the shell 5, a heat transfer substrate 41 is arranged on the outer side wall of the light source component 51 and is positioned in the light source component mounting opening, the lens 52 is arranged in the lens mounting opening, the heat radiation component mounting opening is arranged at the position of the shell 5 opposite to the light source component mounting opening, the heat radiation component 56 is arranged in the heat radiation component mounting opening,

the inside from the top down of casing 5 is equipped with first reflector mounting groove, lens module mounting groove, image display module mounting groove and second reflector mounting groove in proper order, and first reflector 53 has been put to first reflector mounting groove intussuseption, and lens module 54 has been put to lens module mounting groove intussuseption, and image display module 55 has been put to image display module mounting groove intussuseption, and second reflector 57 has been put to second reflector mounting groove intussuseption, and the light that is sent by light source module 51 transmits to camera lens 52 through second reflector 57, image display module 55, lens module 54 and first reflector 53 and projects.

In this embodiment, the light from the light source assembly 51 sequentially passes through the second reflector 57, the image display module 55, the lens module 54 and the first reflector 53, and is finally reflected to the lens 52 by the first reflector 53, and the light machine of the projector can be made smaller by adopting the structural design of secondary reflection, so that the projector is convenient for a user to carry; the heat generated by the light source assembly 51 is transferred into the radiator through the heat transfer substrate 41, and the radiator radiates the heat to ensure long-term stable operation of the light source assembly 51; the heat dissipation component 56 that the inside of the ray apparatus of projecting apparatus set up can give off the heat that second reflector 57, image display module 55, lens module 54 and first reflector 53 produced, inside and outside two independent cooling systems are used for the independent heat dissipation of different subassemblies respectively for the air current is more smooth and easy not disturbed when the heat dissipation, and the heat that each subassembly produced when using can reduce and pile up.

In this embodiment, the light source assembly placement opening is located between the first heat sink assembly 21, the second heat sink assembly 22 and the upper and lower clamping plates 13, a plurality of threaded holes are formed in the housing 5 around the light source assembly placement opening, the heat transfer substrate 41 is in threaded connection with the outer side wall of the light source assembly placement opening through screws, a plurality of fixing rods 511 are arranged on the outer side wall of the housing 5, the fixing rods 511 are in one-to-one correspondence with the threaded holes at two ends of the radiator support 1, the threaded holes are formed in the outer end faces of the fixing rods 511, and connection between the radiator support 1 and the fixing rods 511 can be achieved through screws.

In this embodiment, install two stereo sets 6 in bilateral symmetry of casing 5 upper end, and two stereo sets 6 set up in the both sides of camera lens installing port, the inside scattered space of utilization projector that two little stereo sets can be better compares the volume that is favorable to reducing the ray apparatus of projector more of the setting of a big stereo set in the traditional projector, mainboard 7 is installed on the top of casing 5, be provided with control chip on the mainboard 7, be provided with the adjusting device who is used for adjusting the projection focus of camera lens 52 on the lateral wall of casing 5, adjusting device is located the below of camera lens 52.

In this embodiment, the adjusting device includes an adjusting motor 521, a gear 522 is disposed on a spindle of the adjusting motor, a focusing ring 523 is rotatably disposed outside the lens 52, a plurality of gear teeth are disposed on an outer sidewall of the focusing ring, the gear 522 is meshed with the gear teeth on the focusing ring, and the adjusting motor is electrically connected with the control chip; the control chip is used for controlling the adjusting motor 521 to automatically adjust the projection focal length of the projector so as to ensure the projection effect of the projector.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. Radiator with two fan structures, its characterized in that includes radiator support (1), fin group (2), two radiator fan (3) and heat transfer subassembly (4), two radiator fan (3) set up side by side on one side of radiator support (1), fin group (2) include first fin subassembly (21) and second fin subassembly (22), first fin subassembly (21) and second fin subassembly (22) interval set up on the opposite side of radiator support (1), heat transfer subassembly (4) are located between first fin subassembly (21) and second fin subassembly (22), and its one end cartridge be in the inside of first fin subassembly (21), the other end cartridge be in the inside of second fin subassembly (22), on radiator support (1) with two the position department that radiator fan (3) corresponds is provided with respectively into wind hole (111), come from first fin subassembly (21), second fin subassembly (22) and heat transfer subassembly (4) are gone into by wind hole (111) in radiator fan (3).

2. The radiator with the double-fan structure according to claim 1, wherein a placement groove (11) is arranged on the side wall of the radiator support (1), two radiating fans (3) are arranged in the placement groove (11), two air inlet holes (111) are formed in the placement groove (11), the two air inlet holes (111) are arranged in one-to-one correspondence with the air inlets of the radiating fans (3),

two radiating fin clamping grooves (12) are formed in the top end of the radiator support (1) at intervals, and one ends of the first radiating fin assembly (21) and the second radiating fin assembly (22) are respectively arranged in the radiating fin clamping grooves (12).

3. The radiator with the double-fan structure according to claim 1, wherein the heat transfer component (4) comprises a heat transfer substrate (41) and a plurality of heat conducting pipes (42), a plurality of grooves are arranged on the side wall of the heat transfer substrate (41), a plurality of the heat conducting pipes (42) are correspondingly arranged in a plurality of the grooves,

the radiator comprises a radiator support (1), and is characterized in that a plurality of through holes (23) are respectively formed in the first radiating fin assembly (21) and the second radiating fin assembly (22), slotted holes (24) are respectively formed in the side walls of the two ends of the radiator support (1), and the two ends of the heat conducting tube (42) are correspondingly inserted into the through holes (23) in the first radiating fin assembly (21) and the second radiating fin assembly (22) and the slotted holes (24) in the two ends of the radiator support (1).

4. The radiator with the double-fan structure according to claim 3, wherein the first radiating fin component (21) and the second radiating fin component (22) respectively comprise a plurality of radiating fins arranged at intervals, the radiating fins are provided with through holes (23), the side surfaces of the radiating fins are 7-shaped, the bottom ends, far away from one side of the radiating fan (3), of the radiating fins are rounded corners, and the protruding parts of the upper ends of the radiating fins in the first radiating fin component (21) and the second radiating fin component (22) are respectively clamped in the radiating fin clamping grooves (12).

5. The radiator with the double-fan structure according to claim 3, wherein the heat transfer substrate (41) is provided with a plurality of threaded holes, the side walls at two ends of the radiator support (1) are respectively provided with a plurality of threaded holes, and the upper end and the lower end of the radiator support (1) far away from one side of the radiator fan (3) are respectively provided with a clamping plate (13).

6. A projector, comprising a housing, and further comprising a heat sink having a double fan structure as claimed in any one of claims 4 and 5, wherein a light machine is provided in the housing, the light machine comprising a housing (5), a light source assembly (51), a lens (52), a first mirror (53), a lens module (54), an image display module (55), a second mirror (57) and a heat dissipation assembly (56),

the side wall of the shell is provided with a lens mounting opening and a light source assembly mounting opening from top to bottom, the light source assembly (51) is mounted in the light source assembly mounting opening, the radiator is positioned at the outer side of the light source assembly (51) and is connected with the shell (5), the heat transfer substrate (41) is arranged on the outer side wall of the light source assembly (51) and is positioned in the light source assembly mounting opening, the lens (52) is mounted in the lens mounting opening, the heat radiation assembly mounting opening is formed in the position, opposite to the light source assembly mounting opening, of the shell (5), the heat radiation assembly (56) is mounted in the heat radiation assembly mounting opening,

light emitted by the light source assembly (51) is transmitted to the lens (52) through the second reflector (57), the image display module (55), the lens module (54) and the first reflector (53).

7. The projector according to claim 6, wherein the light source assembly mounting opening is located between the first heat sink assembly (21), the second heat sink assembly (22) and the upper and lower clamping plates (13), a plurality of screw holes are formed in the housing (5) around the light source assembly mounting opening,

a plurality of fixing rods (511) are arranged on the outer side wall of the shell (5), the fixing rods (511) correspond to threaded holes in two ends of the radiator support (1) one by one, and threaded holes are formed in the outer end faces of the fixing rods (511).

8. The projector according to claim 6, wherein two sound boxes (6) are symmetrically arranged on two sides of the upper end of the housing (5), the two sound boxes (6) are arranged on two sides of the lens mounting opening, a main board (7) is arranged on the top end of the housing (5), a control chip is arranged on the main board (7), an adjusting device for adjusting the projection focal length of the lens (52) is arranged on the outer side wall of the housing (5), and the adjusting device is arranged below the lens (52).

9. The projector according to claim 8, wherein the adjusting device comprises an adjusting motor (521), a gear (522) is disposed on a main shaft of the adjusting motor, a focusing ring (523) is rotatably disposed on an outer side wall of the lens (52), a plurality of gear teeth are disposed on an outer side wall of the focusing ring, the gear (522) is meshed with the gear teeth on the focusing ring, and the adjusting motor is electrically connected with the control chip.