CN219799972U

CN219799972U - Radiator with double-fan structure and projector

Info

Publication number: CN219799972U
Application number: CN202320521997.XU
Authority: CN
Inventors: 杨秀才; 任乐军
Original assignee: Changsha Cre Electronic Technology Co ltd
Current assignee: Changsha Cre Electronic Technology Co ltd
Priority date: 2023-03-17
Filing date: 2023-03-17
Publication date: 2023-10-03
Anticipated expiration: 2033-03-17

Abstract

The utility model discloses a radiator with a double-fan structure, which comprises a radiating fin support, a radiating fin group, two radiating fans, a radiating fan support and a heat transfer component, wherein the two radiating fans are arranged in the radiating fan support side by side, the radiating fin group is arranged in the radiating fin support, the radiating fin support is mutually connected with the radiating fan support, the radiating fin support and the heat transfer component are symmetrically arranged on two sides of the radiating fan support, one end of the heat transfer component is inserted into the radiating fin group, and air inlet holes are respectively arranged at positions, corresponding to the two radiating fans, on the radiating fan support.

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 and air pressure 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 carrying of a user is inconvenient;

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 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:

radiator with two fan structures, including fin support, fin group, two radiator fan, radiator fan support and heat transfer subassembly, two radiator fan sets up side by side radiator fan support's inside, the fin group sets up the inside of fin support, fin support and radiator fan support interconnect, just fin support and heat transfer subassembly symmetry set up the both sides of radiator fan support, heat transfer subassembly's one end cartridge is in the inside of fin group, radiator fan support is last to be provided with the income wind hole respectively with two the position department that radiator fan corresponds.

In one embodiment, the side wall of the cooling fan bracket is provided with a mounting groove, two cooling fans are arranged in the mounting groove, the mounting groove is internally provided with the air inlet hole, the air inlet hole is correspondingly arranged with the air inlet of the cooling fan,

two connecting grooves used for being connected with the radiating fin support are respectively arranged at intervals on the top end and the bottom end of the radiating fan support, and a fixing plate is further arranged on the bottom end of the radiating fan support.

In one embodiment, the heat transfer assembly comprises a heat transfer substrate and a plurality of heat conducting pipes, wherein a plurality of grooves are formed in the side wall of the heat transfer substrate, one ends of the plurality of heat conducting pipes are correspondingly arranged in the plurality of grooves, and the other ends of the plurality of heat conducting pipes penetrate through the fixing plate and are inserted into the radiating fin group.

In one embodiment, the heat dissipation sheet group is formed by stacking a plurality of heat dissipation sheets arranged at intervals, a plurality of through holes are formed in the heat dissipation sheets, and one ends of the plurality of heat conduction pipes are correspondingly inserted into the plurality of through holes from the lower part of the heat dissipation sheet group.

In one embodiment, the fin support is a frame structure, a positioning frame is arranged between the upper side wall and the lower side wall of the fin support, a positioning groove is arranged in the middle of one side of the fin, a plurality of fins are stacked between the upper side wall and the lower side wall of the fin support, and the positioning frame is clamped in the positioning groove.

In one embodiment, two connecting columns are respectively arranged at intervals on the top end and the bottom end of the cooling fin support, two connecting columns positioned at the top end of the cooling fin support are correspondingly clamped in two connecting grooves positioned at the top end of the cooling fan support, and two connecting columns positioned at the bottom end of the cooling fin support are correspondingly clamped in two connecting grooves positioned at the bottom end of the cooling fan support.

In one embodiment, a plurality of clamping blocks are respectively arranged on the left side wall and the right side wall of the cooling fin support, a plurality of clamping grooves are respectively correspondingly arranged on the left side wall and the right side wall of the cooling fan support, and the clamping blocks on the cooling fin support are correspondingly clamped in the clamping grooves on the cooling fan support.

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 heat radiation component,

the side wall of the shell is provided with a lens mounting opening and a light source assembly mounting opening, 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 position of the shell opposite to the light source assembly mounting opening is provided with a heat radiation assembly mounting opening, the heat radiation assembly is mounted in the heat radiation assembly mounting opening,

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

Further, 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.

Further, 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 partial perspective view of a radiator with a dual fan structure;

FIG. 2 is a schematic view of a second partial perspective view of a heat sink with a dual fan configuration;

FIG. 3 is a schematic perspective view of a fin stand of a heat sink having a dual fan configuration;

FIG. 4 is a schematic diagram of a heat sink with dual fan structure;

FIG. 5 is a perspective view of a radiator fan support with a dual fan structure;

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

fig. 7 is a partial perspective view of a 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. 1-7:

radiator with double fan structure, including fin support 1, fin group 2, two radiator fan 3, radiator fan support 4 and heat transfer component 5, two radiator fan 3 set up in the inside of radiator fan support 4 side by side, fin group 2 sets up in the inside of fin support 1, fin support 1 and radiator fan support 4 interconnect, and fin support 1 and the setting of heat transfer component 5 symmetry are in the front and back both sides of fin support 4, the one end cartridge of heat transfer component 5 is in the inside of fin group 2, the position department that corresponds with two radiator fan 3 on the radiator fan support 4 is provided with the fresh air inlet respectively, heat transfer component 5 will come from the inside heat conduction of projecting apparatus to on the fin group 2 of radiator fan ray apparatus, then radiator fan 3 starts to blow and dispel the heat and send out.

According to the radiator with the double-fan structure, the two radiating fans 3 are arranged on the radiating fan support 4 side by side, the size of the whole radiator can be made smaller while the radiating effect is ensured, so that the whole projector can be made smaller, the radiator is convenient for a user to carry, the heat transfer component 5 can be arranged on the outer side wall of the optical machine of the projector and is connected with the 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 5, the heat transfer component 5 transfers the heat to the radiating fin group 2, at the moment, the two radiating fans 3 operate to radiate the heat on the radiating fin group 2 out of the optical machine of the projector, 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 5 to conduct the heat, and the two radiating fans 3 are discharged to the optical machine, so that internal hot air flow disturbance is avoided, and the radiator is simple and efficient.

In the embodiment, a mounting groove 401 is arranged on the side wall of the cooling fan bracket 4, two cooling fans 3 are arranged in the mounting groove 401, an air inlet hole is arranged in the mounting groove 401, the air inlet hole is arranged corresponding to the air inlet of the cooling fan 3,

the top and bottom of the cooling fan bracket 4 are respectively provided with two connecting grooves 402 which are used for being connected with the cooling fin bracket 1 at intervals, the bottom of the cooling fan bracket 4 is also provided with a fixing plate 403, when the two cooling fans 3 are operated, the heat transfer component 5 conducts heat from the inside of the projector optical machine to the cooling fin group 2, then the cooling fans 3 are started, air flow enters the air inlet of the cooling fans 3 through the air inlet holes on the mounting grooves 11, and then is led out through impellers in the two cooling fans 3 to achieve the purpose of heat dissipation.

In this embodiment, the heat transfer assembly 5 includes a heat transfer substrate 501 and a plurality of heat conductive pipes 502, a plurality of grooves are disposed on a sidewall of the heat transfer substrate 501, one ends of the plurality of heat conductive pipes 502 are correspondingly installed in the plurality of grooves, and the other ends penetrate through the fixing plate 403 and are inserted into the fin group 2.

Specifically, the fin group 2 is formed by stacking a plurality of fins 201 arranged at intervals, a plurality of through holes 202 are formed in the fins 201, one ends of a plurality of heat conduction pipes 502 are inserted into the plurality of through holes 202 correspondingly from the lower part of the fin group 2, heat generated by elements in the projector is transferred to the heat conduction pipes 42 through the heat transfer substrate 41, the heat on the heat conduction pipes 42 is transferred to the fins 201, and the heat on the fins 201 and the heat on the heat conduction pipes 502 is fully dissipated through wind blown out by the heat dissipation fan 3.

In this embodiment, the fin support 1 is a frame structure, a positioning frame 101 is disposed between an upper sidewall and a lower sidewall of the fin support 1, a positioning groove 203 is disposed in a middle position of one side of the fin 201, a plurality of fins 201 are stacked between the upper sidewall and the lower sidewall of the fin support 1, and the positioning frame 101 is clamped in the positioning groove 203 to limit the position of the fin 201.

In the present embodiment, two connecting posts 102 are disposed at intervals on the top and bottom ends of the fin support 1, respectively, and the corresponding clips of the lower ends of the two connecting posts 102 located on the top end of the fin support 1 are located in the two connecting slots 402 located on the top end of the fin support 4, and the corresponding clips of the upper ends of the two connecting posts 102 located on the bottom end of the fin support 1 are located in the two connecting slots 402 located on the bottom end of the fin support 4.

Further, two clamping blocks 103 are respectively arranged on the left and right side walls of the cooling fin support 1, a plurality of clamping grooves 404 are respectively correspondingly arranged on the left and right side walls of the cooling fan support 4, and the clamping blocks 103 on the cooling fin support 1 are correspondingly clamped in the clamping grooves 404 on the cooling fan support 4.

The fin stand 1 and the cooling fan stand 4 can be firmly connected and rapidly positioned and installed by arranging the cooperation between the connecting column 102 and the connecting groove 402 and the cooperation between the clamping block 103 and the clamping groove 404.

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, the light machine comprises a shell 6, a light source component 7, a lens 8, a first reflector 9, a lens module 10, an image display module 11, a second reflector 12 and a heat dissipation component 13,

a lens mounting opening and a light source assembly mounting opening are formed in the side wall of the shell 6, a light source assembly 7 is mounted in the light source assembly mounting opening, a radiator is positioned on the outer side of the light source assembly 7 and connected with the shell 6, a heat transfer substrate 501 is arranged on the outer side wall of the light source assembly 7 and positioned in the light source assembly mounting opening, an 8 lens is mounted in the lens mounting opening, a heat radiation assembly mounting opening is formed in the shell 6 at a position opposite to the light source assembly mounting opening, a heat radiation assembly 13 is mounted in the heat radiation assembly mounting opening,

the light emitted from the light source assembly 7 is reflected to the lens 8 via the second reflector 12, the image display module 11, the lens module 10 and the first reflector 9 for projection operation.

In this embodiment, the light from the light source assembly 7 sequentially passes through the second reflector 12, the image display module 11, the lens module 10 and the first reflector 9, and is finally reflected to the lens 8 by the first reflector 9, 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 7 is transferred into the radiator through the heat transfer substrate 501, and the radiator radiates the heat to ensure long-term stable operation of the light source assembly 7; the heat dissipation component 13 that the inside of the ray apparatus of projecting apparatus set up can give off the heat that second reflector 12, image display module 11, lens module 10 and first reflector 9 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, install two stereo sets 14 in bilateral symmetry of casing 6 upper end, and two stereo sets 14 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 15 is installed on the top of casing 6, be provided with control chip 16 on the mainboard 15, be provided with the adjusting device who is used for adjusting the projection focus of camera lens 8 on the lateral wall of casing 6, adjusting device is located the below of camera lens 8.

In this embodiment, the adjusting device includes an adjusting motor 801, a gear 802 is disposed on a spindle of the adjusting motor, a focusing ring 803 is rotatably disposed outside the lens 8, a plurality of gear teeth are disposed on an outer sidewall of the focusing ring, the gear 802 is meshed with the gear teeth on the focusing ring, and the adjusting motor is electrically connected with the control chip 16; the control chip 16 is used for controlling the adjusting motor 801 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

1. Radiator with two fan structures, its characterized in that includes fin support, fin group, two radiator fan, radiator fan support and heat transfer subassembly, two radiator fan sets up side by side radiator fan support's inside, the fin group sets up the inside of fin support, fin support and radiator fan support interconnect, just fin support and heat transfer subassembly symmetry set up the both sides of radiator fan support, heat transfer subassembly's one end cartridge in the inside of fin group, the last two of radiator fan support the position department that corresponds with radiator fan is provided with the inlet air hole respectively.

2. The radiator with the double-fan structure according to claim 1, wherein a mounting groove is arranged on the side wall of the radiator fan support, two radiator fans are arranged in the mounting groove, the air inlet hole is arranged corresponding to the air inlet of the radiator fan,

3. The radiator with the double-fan structure according to claim 2, wherein the heat transfer assembly comprises a heat transfer substrate and a plurality of heat conducting pipes, a plurality of grooves are formed in the side wall of the heat transfer substrate, one ends of the plurality of heat conducting pipes are correspondingly arranged in the plurality of grooves, and the other ends of the plurality of heat conducting pipes penetrate through the fixing plate and are inserted into the radiating fin group.

4. The radiator with the double-fan structure according to claim 3, wherein the radiating fin group is formed by stacking a plurality of radiating fins arranged at intervals, a plurality of through holes are formed in the radiating fins, and one ends of a plurality of heat conducting pipes are correspondingly inserted into the plurality of through holes from the lower part of the radiating fin group.

5. The radiator with the double-fan structure according to claim 4, wherein the radiating fin support is of a frame structure, a positioning frame is arranged between the upper side wall and the lower side wall of the radiating fin support, a positioning groove is arranged in the middle of one side of the radiating fin, a plurality of radiating fins are stacked between the upper side wall and the lower side wall of the radiating fin support, and the positioning frame is clamped in the positioning groove.

6. The heat sink with dual fan structure according to claim 5, wherein two connecting posts are separately provided at intervals on top and bottom ends of the heat sink support, lower ends of the two connecting posts located at the top end of the heat sink support are correspondingly blocked in the two connecting slots located at the top end of the heat sink fan support, and upper ends of the two connecting posts located at the bottom end of the heat sink support are correspondingly blocked in the two connecting slots located at the bottom end of the heat sink fan support.

7. The radiator with the double-fan structure according to claim 6, wherein a plurality of clamping blocks are respectively arranged on the left side wall and the right side wall of the radiating fin support, a plurality of clamping grooves are respectively correspondingly arranged on the left side wall and the right side wall of the radiating fan support, and the clamping blocks on the radiating fin support are correspondingly clamped in the clamping grooves on the radiating fan support.

8. A projector, comprising a housing, and further comprising a heat sink having a dual fan structure according to any one of claims 3-7, wherein a light engine is disposed in the housing, the light engine comprises a housing, a light source assembly, a lens, a first mirror, a lens module, an image display module, a second mirror, and a heat sink assembly,

9. The projector according to claim 8, wherein two sounds are symmetrically arranged on two sides of the upper end of the housing, the two sounds are arranged on two sides of the lens mounting opening, a main board is arranged on the top end of the housing, 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 housing, and the adjusting device is arranged below the lens.

10. The projector according to claim 9, wherein 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.