CN204807901U - Projector - Google Patents
Projector Download PDFInfo
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- CN204807901U CN204807901U CN201520470824.5U CN201520470824U CN204807901U CN 204807901 U CN204807901 U CN 204807901U CN 201520470824 U CN201520470824 U CN 201520470824U CN 204807901 U CN204807901 U CN 204807901U
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- fan
- heat
- drain pan
- radiating fin
- air intake
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Abstract
The utility model discloses a projector, including casing and ray apparatus and the heat abstractor of setting in the casing, the casing includes drain pan, lateral wall and epitheca, be provided with the air intake on the lateral wall, heat abstractor includes radiating fin and fan, radiating fin and ray apparatus interconnect, the fan level sets up in the inner chamber, has the air inlet clearance between the air inlet of fan and the drain pan, leave the fan side has the gas outlet, the gas outlet is just to radiating fin. The utility model discloses aim at solving the problem that current projector bottom air inlet exists heat dissipation and frivolousization of influence.
Description
Technical field
The utility model relates to a kind of projector.
Background technology
Along with the development of technology, the development of projector trends towards the portability of product and lightening gradually, in existing projector, in order to reduce its thickness, the equal selection level of fan is placed, in the prior art, generally directly contacted with drain pan the bottom of fan, on drain pan, this place has air inlet, and drain pan be arranged with bracing frame, support certain spacing by between drain pan and the desktop placing projector, be convenient to the air intake of air inlet.But in actual use, the environment for use of projector is comparatively complicated, in a lot of situation, the gap between drain pan and desktop can not well well reserve by outside bracing frame, is often blocked this gap or air inlet by other things of bottom, is unfavorable for air intake.And when needing to closely cooperate with other product needed bottom product, the intake of air inlet will be affected, and does not reach due radiating effect.Now general projector radiating is all bottom surface air intake, and side air-out reaches radiating effect, even if some products can side air inlet, its fan used also is vertically place, and this just have impact on the lightening of product.
Utility model content
There is heat radiation for existing projector bottom air inlet and affect lightening problem, the utility model provides a kind of projector, the fan of inside and drain pan are pulled open a segment distance, is then reached the effect of side air inlet side air-out by the opening of side and the air channel of inside.The utility model can solve heat dissipation problem when to have other article bottom projector, and does not affect the thickness of product, and variation to a certain degree can be done according to appearance design in air inlet position.
It is as follows that the utility model solves the problems of the technologies described above adopted technical scheme:
A kind of projector is provided, comprises housing and the ray machine that is arranged in housing and heat abstractor;
Described housing comprises drain pan, sidewall and upper casing, and described sidewall is provided with air inlet;
Described heat abstractor comprises radiating fin and fan, and described radiating fin and ray machine are interconnected;
Described fan is horizontally placed on drain pan, and the bottom of described fan is provided with air intake opening, has air intake gap between described air intake opening and drain pan, and described fan side has gas outlet, and described gas outlet is just to radiating fin.
Further, described sidewall is provided with air outlet.
Further, described projector also includes deep bead, and described deep bead is vertically installed on drain pan, between gas outlet and air outlet, form air channel; Described radiating fin is arranged in described air channel.
Further, one end of described deep bead is resisted against on ray machine, and the other end is resisted against on sidewall, is provided with opening in the middle part of described deep bead, and described gas outlet is positioned at described aperture position.
Further, described fan is arranged on drain pan by support member, forms air intake gap between air intake opening and drain pan.
Further, the air intake gap between air intake opening and drain pan is 3 ~ 5mm.
Further, described fan is centrifugal fan, and described air intake opening is positioned at fan bottom.
Further, described ray machine comprises blue-light source chip, green light source chip and red light source chip, outer setting first heat conductor of described blue-light source chip, outer setting second heat conductor of green light source chip and red light source chip, described radiating fin is L-type structure, described L-type structure comprises the first heat sink and the second heat sink, described first heat sink is mutually vertical with the second heat sink, the inner side of described first heat sink contacts with the first heat conductor, and the inner side of described second heat sink contacts with the second heat conductor.
Further, described first heat sink exterior lateral sides is provided with the first heat radiator of multiple vertical direction, and the exterior lateral sides of described second heat sink is provided with the second heat radiator of multiple horizontal direction.
Further, described first heat radiator is towards position, gas outlet, and described second heat radiator is towards air outlet position.
Further, described radiating fin and ray machine are connected by screw.
Fan is horizontally disposed with by the utility model, by arranging support member, fan is fixed on drain pan, air intake gap is left between fan and drain pan, sidewall arranges air inlet, reach the effect of side air inlet, the utility model is by keeping certain distance by fan and drain pan, from fan bottom surface air intake, air intake is wider, air inlet is arranged on sidewall, avoid existing air inlet and be arranged at the heat dissipation problem that drain pan produces, do not need to arrange leg bottom projector, be conducive to the lightening of projector, and there is larger selectivity the position of air inlet, can adjust accordingly according to the needs of appearance design.
Accompanying drawing explanation
Fig. 1 is the structural representation of the housing that the utility model provides;
Fig. 2 is the structural representation of the drain pan that the utility model provides;
Fig. 3 is the vertical view of the drain pan that the utility model provides;
The wiring layout of the ray machine that Fig. 4 provides for the utility model and radiating fin;
The structural representation of the radiating fin that Fig. 5 provides for the utility model.
Reference numeral in Figure of description is as follows:
1, sidewall; 11, air inlet; 12, air outlet; 13, project mouth; 2, drain pan; 21, joint pin; 22, deck; 23, air channel; 3, fan; 31, through hole; 32, support member; 33, air intake gap; 34, gas outlet; 4, radiating fin; 41, the first heat sink; 42, the second heat sink; 43, the first heat radiator; 44, the second heat radiator; 45, screwing through hole; 5, ray machine; 51, blue-light source chip; 52, green light source chip; 53, red light source chip; 54, screw blind hole; 55, the first heat conductor; 56, the second heat conductor; 6, deep bead; 61, stiffening rib; 62, opening.
Embodiment
The technical matters solved to make the utility model, technical scheme and beneficial effect are clearly understood, below in conjunction with drawings and Examples, are further elaborated to the utility model.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
In description of the present utility model, it will be appreciated that, term " longitudinal direction ", " radial direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.In description of the present utility model, except as otherwise noted, the implication of " multiple " is two or more.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition the concrete meaning of above-mentioned term in the utility model can be understood.
Shown in Fig. 1, Fig. 2 and Fig. 3, present embodiments provide a kind of projector, comprise housing and the ray machine that is arranged in housing and heat abstractor; Described housing comprises drain pan, sidewall and upper casing, and described sidewall is provided with air inlet;
Described projector is rectangular structure, be connected by screw and buckle between upper casing with drain pan 2, in the corner, top of drain pan 2 and the bottom corner location of upper casing, joint pin is set respectively, screw penetrates from the joint pin 21 of drain pan 2 and is connected to upper casing, the bottom inside of described upper casing arranges multiple fixture block (not shown), the top, edge of drain pan 2 arranges multiple deck 22, described deck 22 matches with described fixture block, it should be noted that, the connected mode of the present embodiment upper casing and drain pan 2 includes but not limited to aforesaid way, other realize the connected mode of function of the same race, also should be included within protection domain of the present utility model.
Shown in Figure 1, described sidewall 1 has projection mouth 13, air inlet 11 and air outlet 12, described air inlet 11 is the strip through-hole combination of the arrangement in matrix, described air outlet 12 is in the combination of laterally parallel oblique strip shaped through hole, projection mouth 13 is positioned at ray machine 5 just to position, and it should be noted that, the position of above-mentioned projection mouth 13, air outlet 12 and shape are only the preferred implementation of the present embodiment, other realize the setting of function of the same race, all should be included within protection domain of the present utility model;
Shown in Fig. 2 and Fig. 3, described heat abstractor comprises radiating fin 4 and fan 3, and described radiating fin 4 is between fan 4 and ray machine 5, and described radiating fin 4 is interconnected with ray machine 5 simultaneously and is fixed on above drain pan 2;
Described fan 3 is fixed on drain pan 2 by arranging support member 32, arranges air intake gap 33, the axis of fan 3 and horizontal plane between fan 3 and drain pan 2, and described fan 3 side has gas outlet 34, and described gas outlet 34 is just to radiating fin 4.
As one preferred embodiment, fan 3 is fixed by support member 32 and is separated between drain pan 2 by the utility model, air intake gap 33 is formed between fan 3 and drain pan 2, the air inlet of fan 3 is no longer limited to this embodiment of air inlet is set from drain pan 2, air inlet 11 can be arranged at the side of projector, air inlet 11 can require to adjust position according to the build stack of product and appearance design, eliminate the restriction of air inlet 11 position, avoid bottom air inlet and easily sheltered from air inlet by bottom object, the problem of impact heat radiation.Simultaneously, existing projector needs to arrange bottom supports and is blocked by desktop to avoid its air inlet, air inlet 11 is arranged at projector side by the utility model, the leg bottom projector can be saved, be conducive to the lightening of projector, also being conducive to combines with other products bottom projector uses, and be applicable to combined projector and arrange, and micro projector is arranged.
On the other hand, in order to reduce the integral thickness of projector further, match with side air inlet simultaneously, fan 3 of the present utility model for being horizontally disposed with, fan shaft to horizontal plane.Existing side air inlet projector needs fan 3 vertically to arrange with the effect reaching side air inlet, and the utility model is owing to will arrange air intake gap between fan 3 and drain pan 2, fan 3 is horizontally disposed with and also can reaches good air inlet effect, solves fan and vertically arranges the brought problem affecting projector thickness.
As preferred further, described support member 32 is support column, is separately positioned on the bottom corner location of fan 3, and the object that the present embodiment arranges support member realizes the separation between fan 3 and drain pan 2, realize other forms of function of the same race, as fan 3 is hung on upper casing top.Fan 3 is separated with drain pan 2, also should be included within protection domain of the present utility model.
The large I in air intake gap 33 between fan 3 and drain pan 2 adjusts accordingly according to the thermal value of actual ray machine 5 and the size of fan 3, and as further preferred, the air intake gap 33 between fan 3 and drain pan 2 is set to 3 ~ 5mm.
As one preferred embodiment, described fan 3 is centrifugal fan, the principle of work of centrifugal fan after the axis of fan sucks, utilizes centrifugal force to be thrown out from circumferencial direction by fluid fluid, the surrounding of fan is enclosed construction, the side of described enclosed construction has gas outlet 34, arrange air intake opening (not shown) bottom described fan 3, described fan 3 top has the through hole 31 arranging electric wire.
In order to improve the radiating effect of fan 3, the utility model is also provided with deep bead 6 on described drain pan 2, described deep bead 6 is vertical with drain pan 2, the bottom of deep bead 6 arranges stiffening rib 61 and supports, between gas outlet 34 and air outlet 12, air channel 23 is formed by deep bead 6, by deep bead 6, radiating fin 4 is isolated in separately in air channel 23, when making fan 3 carry out air intake, the hot blast from radiating fin 4 can not be absorbed, avoid the formation of inner loop, improve heat exchange efficiency, one end of described deep bead 6 is resisted against on ray machine 5, the other end is resisted against on sidewall 1, opening 62 is provided with in the middle part of described deep bead 6, the side that described fan 3 sets out gas port 34 is embedded in described opening 62 position, air enters into the internal cavity of projector from the side air inlet mouth 11 of projector, fan 3 rotates, air is driven to enter from the air intake gap 33 bottom fan 3, then flow to vertical direction with fan shaft by the centrifugation of fan blade is past, due to obstruct and the guiding of fan 3 external sealed structure, air-flow blows out from gas outlet 34, the air-flow blown out from gas outlet 34 enters air channel 23 through the guiding of deep bead 6, blow to radiating fin 4, air-flow is through radiating fin 4 time, heat interchange is carried out with radiating fin 4, take away the heat produced by ray machine 5.
The ray machine 5 that the utility model adopts is the known projector light-emitting device of prior art, ray machine 5 is the core component on projector, mainly as the emissive source of projection image, project after the picture signal received is changed into photoimaging, shown in Figure 4, described ray machine 5 is provided with blue-light source chip 51, green light source chip 52 and red light source chip 53, described blue-light source chip 51, green light source chip 52 and red light source chip 53 are arranged in the side of described ray machine 5 in L-type, wherein green light source chip 52 and red light source chip 53 are positioned at the same side, outer setting first heat conductor 55 of described blue-light source chip 51, outer setting second heat conductor 56 of green light source chip 52 and red light source chip 53, described first heat conductor 55 and the second heat conductor 56 are for conducting blue-light source chip 51, the heat produced when green light source chip 52 and red light source chip 53 work, its material can adopt copper, the metal material that the thermal conductivity such as aluminium are good.
Shown in Fig. 4 and Fig. 5, described radiating fin 4 is L-type structure, match with the heating site location of ray machine 5, described L-type structure comprises the first heat sink 41 and the second heat sink 42, described first heat sink 41 is mutually vertical with the second heat sink 42, the inner side of described first heat sink 41 contacts with the first heat conductor 55, the inner side of described second heat sink 42 contacts with the second heat conductor 56, described radiating fin 4 is the excellence conductor of heat, by radiating fin 4 is contacted with the first heat conductor 55 and the second heat conductor 56, the heat conduction that can be produced by ray machine 5 is in time on radiating fin 4, in order to improve heat exchange efficiency, can between the first heat sink 41 and the first heat conductor 55, heat conductive silica gel is coated with between second heat sink 42 and the second heat conductor 56, described first heat sink 41 exterior lateral sides is provided with the first heat radiator 43 of multiple vertical direction, the exterior lateral sides of described second heat sink 42 is provided with the second heat radiator 44 of multiple horizontal direction, described first heat radiator 43 and the second heat radiator 44 are for increasing the heat interchanging area of this radiating fin 4 and air, described first heat radiator 43 is towards position, gas outlet 34, described second heat radiator 44 is towards air outlet 12 position.
During ray machine work, described blue-light source chip 51, green light source chip 52 and red light source chip 53 produce a large amount of heats, heat is delivered on radiating fin 4 by the first heat conductor 55 and the second heat conductor 56, the unheated air that fan 3 drives is blown on the first heat radiator 43 of radiating fin 4, flow in the horizontal direction under the effect of the first heat radiator 43, the follow-up afterflow of heat interchange is carried out to the second heat radiator 44 with the first heat radiator 43, air-flow then carries out heat interchange with the second heat radiator 44 and forms high temperature gas flow, and high temperature gas flow discharges projector by air outlet 12.
Described first heat sink 41 and the second heat sink 42 all have screwing through hole 45, the screwing through hole of described first heat sink 41 is 1, the screwing through hole of described second heat sink 42 is 2, described ray machine 5 also has the screw blind hole 54 of relevant position, and described radiating fin 4 is fixedly connected on ray machine 5 by screw.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (11)
1. a projector, is characterized in that, comprises housing and the ray machine that is arranged in housing and heat abstractor;
Described housing comprises drain pan, sidewall and upper casing, and described sidewall is provided with air inlet;
Described heat abstractor comprises radiating fin and fan, and described radiating fin and ray machine are interconnected;
Described fan is horizontally placed on drain pan, and the bottom of described fan is provided with air intake opening, has air intake gap between described air intake opening and drain pan, and described fan side has gas outlet, and described gas outlet is just to radiating fin.
2. a kind of projector according to claim 1, is characterized in that, described sidewall is provided with air outlet.
3. a kind of projector according to claim 2, is characterized in that, described projector also includes deep bead, and described deep bead is vertically installed on drain pan, between gas outlet and air outlet, form air channel; Described radiating fin is arranged in described air channel.
4. a kind of projector according to claim 3, is characterized in that, one end of described deep bead is resisted against on ray machine, and the other end is resisted against on sidewall, is provided with opening in the middle part of described deep bead, and described gas outlet is positioned at described aperture position.
5. a kind of projector according to claim 1, is characterized in that, described fan is arranged on drain pan by support member, forms air intake gap between air intake opening and drain pan.
6. a kind of projector according to claim 1,2,3,4 or 5, is characterized in that, the air intake gap between air intake opening and drain pan is 3 ~ 5mm.
7. a kind of projector according to claim 1, is characterized in that, described fan is centrifugal fan, and described air intake opening is positioned at fan bottom.
8. a kind of projector according to claim 2, it is characterized in that, described ray machine comprises blue-light source chip, green light source chip and red light source chip, outer setting first heat conductor of described blue-light source chip, outer setting second heat conductor of green light source chip and red light source chip, described radiating fin is L-type structure, described L-type structure comprises the first heat sink and the second heat sink, described first heat sink is mutually vertical with the second heat sink, the inner side of described first heat sink contacts with the first heat conductor, the inner side of described second heat sink contacts with the second heat conductor.
9. a kind of projector according to claim 8, is characterized in that, described first heat sink exterior lateral sides is provided with the first heat radiator of multiple vertical direction, and the exterior lateral sides of described second heat sink is provided with the second heat radiator of multiple horizontal direction.
10. a kind of projector according to claim 9, is characterized in that, described first heat radiator is towards position, gas outlet, and described second heat radiator is towards air outlet position.
11. a kind of projector according to claim 1,8,9 or 10, it is characterized in that, described radiating fin and ray machine are connected by screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520470824.5U CN204807901U (en) | 2015-07-03 | 2015-07-03 | Projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520470824.5U CN204807901U (en) | 2015-07-03 | 2015-07-03 | Projector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204807901U true CN204807901U (en) | 2015-11-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520470824.5U Active CN204807901U (en) | 2015-07-03 | 2015-07-03 | Projector |
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| Country | Link |
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| CN (1) | CN204807901U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106896629A (en) * | 2015-12-18 | 2017-06-27 | 鸿富锦精密工业(武汉)有限公司 | Projecting apparatus |
| WO2018045933A1 (en) * | 2016-09-12 | 2018-03-15 | 华为技术有限公司 | Heat sink, heat dissipation apparatus, heat dissipation system and communication device |
| CN109688768A (en) * | 2018-12-29 | 2019-04-26 | 青岛小鸟看看科技有限公司 | A kind of intelligent interaction device |
| JP2020024244A (en) * | 2018-08-06 | 2020-02-13 | セイコーエプソン株式会社 | projector |
-
2015
- 2015-07-03 CN CN201520470824.5U patent/CN204807901U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106896629A (en) * | 2015-12-18 | 2017-06-27 | 鸿富锦精密工业(武汉)有限公司 | Projecting apparatus |
| WO2018045933A1 (en) * | 2016-09-12 | 2018-03-15 | 华为技术有限公司 | Heat sink, heat dissipation apparatus, heat dissipation system and communication device |
| US11043442B2 (en) | 2016-09-12 | 2021-06-22 | Huawei Technologies Co., Ltd. | Heat sink, heat dissipation apparatus, heat dissipation system, and communications device |
| US11502019B2 (en) | 2016-09-12 | 2022-11-15 | Huawei Technologies Co., Ltd. | Heat sink, heat dissipation apparatus, heat dissipation system, and communications device |
| JP2020024244A (en) * | 2018-08-06 | 2020-02-13 | セイコーエプソン株式会社 | projector |
| JP7115125B2 (en) | 2018-08-06 | 2022-08-09 | セイコーエプソン株式会社 | projector |
| CN109688768A (en) * | 2018-12-29 | 2019-04-26 | 青岛小鸟看看科技有限公司 | A kind of intelligent interaction device |
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