CN106019782A - Projection device - Google Patents
Projection device Download PDFInfo
- Publication number
- CN106019782A CN106019782A CN201610531907.XA CN201610531907A CN106019782A CN 106019782 A CN106019782 A CN 106019782A CN 201610531907 A CN201610531907 A CN 201610531907A CN 106019782 A CN106019782 A CN 106019782A
- Authority
- CN
- China
- Prior art keywords
- runner
- ventilation device
- projection arrangement
- fan
- heat dissipation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/16—Cooling; Preventing overheating
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Projection Apparatus (AREA)
Abstract
The invention discloses a projection device which comprises a first ventilation structure arranged on the housing of the device, a fan, and a first heat radiation channel; the fan provides an air flow in a first direction and the first heat radiation channel guides the airflow into the first ventilation structure in a second direction; the first ventilation structure guides the air flow out of the housing in a third direction. The first direction and the second direction form a first angle at 90 degrees or greater but limited to 180 degrees; the second direction and the third direction form a second angle at zero degree or greater but limited to 90 degrees. Such design makes the projection device radiate heat well and effectively reduce airflow noise, thus increasing a user's experience.
Description
Technical field
The present invention describes a kind of projection arrangement, the projection arrangement that a kind of noise is relatively low.
Background technology
The technology of DLP projection arrangement is a kind of full-digital reflective shadow casting technique, and first its feature is that numeral is excellent
Gesture: the employing of digital technology, makes gradation of image grade improve, and picture noise disappears, and image quality is stable,
Digital picture is the most accurate；Next to that reflection advantage.DLP projection arrangement definition is high, picture is uniform, color
Sharp keen, fine and smooth, the most true to nature, three machines can reach the highest brightness, and can random zoom, adjust very
Convenient.
The operation principle of DLP projection arrangement is the illuminating bundle sent by light source, through the colour wheel module rotated
Display module it is delivered to be converted into image strip after light is filtered into three kinds of colors of red, green, blue, then by
Image strip is projected on screen formation picture by projection lens, thus provides splendid vision to imitate for spectator
Really.
DLP projection arrangement in use can produce substantial amounts of heat, thus causes projection arrangement temperature liter
Height, affects the normal use of projection arrangement, therefore, in order to make projection arrangement normally use, needs projection
Device dispels the heat so that the temperature of projection arrangement maintain one can normally use in the range of.Existing
The radiating mode of projection arrangement is dispelled the heat typically by the direct projection arrangement of air-flow of fan, and in order to
Reaching radiating effect, fan needs to provide stronger air-flow, and stronger air-flow is at projection arrangement internal motion
Can produce loud noise, therefore, this kind of radiating mode often produces noise, affects Consumer's Experience.In order to
Improve Consumer's Experience, need projection arrangement is carried out noise reduction process.And the existing fan about projection arrangement
With the noise-reducing design of runner be concentrated mainly in runner increase quieter material to reduce noise, and this kind design
The effect that mode reduces noise is limited, it is impossible to meet user demand.
Therefore, it is necessary to provide a kind of new projection arrangement, to overcome drawbacks described above.
Summary of the invention
It is an object of the invention to provide a kind of projection arrangement, while carrying out good heat radiating, noise is relatively low.
For reaching above-mentioned purpose, the present invention provides a kind of projection arrangement, comprises:
Shell, is provided with the first ventilation device；
Fan, is arranged in this shell, for providing air-flow in the first direction；
First heat dissipation channel, is arranged in this shell, for guiding the air-flow of this fan in a second direction to being somebody's turn to do
First ventilation device, so that this air-flow flows out this shell along this third direction from this first ventilation device；
Wherein, this first direction and this second direction have the first angle, and this first angle is more than or equal to 90 degree
And less than 180 degree, this second direction and this third direction have the second angle, this second angle is more than or equal to 0
Spend and less than or equal to 90 degree.
It is also preferred that the left this first angle is more than or equal to 90 degree and less than or equal to 135 degree；And/or, this is second years old
Angle is less than or equal to 60 degree more than or equal to 0 degree.
It is also preferred that the left this first heat dissipation channel includes sprue and the first sub-runner, this first sub-runner is positioned at this
Between sprue and this fan, the air-flow of this fan to be directed to this sprue, and this first shunting stage property
Having the first central shaft, this first direction is parallel to this first central shaft.
It is also preferred that the left this first heat dissipation channel also includes the second sub-runner, this second sub-runner is used for connecting this master
Runner and this first ventilation device, so that this air-flow is directed to this first ventilation device from this sprue, and should
Second sub-runner has the second central shaft, and this third direction is parallel to this second central shaft.
It is also preferred that the left this sprue has the first end and the second end, this first end and this second end are positioned at this main flow
The 3rd central axial opposite end in road, this first end is connected with this first sub-runner, this second end with should
Second sub-runner is connected, and this second direction is parallel to the 3rd central shaft.
It is also preferred that the left the junction of this first sub-runner and this sprue is chamfering, this second sub-runner is main with this
The junction of runner is chamfering.
It is also preferred that the left be provided with quieter material and/or at least one noise reduction fin in this first heat dissipation channel.
It is also preferred that the left also include the second heat dissipation channel, this second heat dissipation channel is from the second ventilation device of this shell
Extending to this fan, this second heat dissipation channel forms " U " type radiator structure with this first heat dissipation channel.
It is also preferred that the left this shell has the first side wall, the second sidewall, the 3rd sidewall and the 4th sidewall, this is first years old
Sidewall is relative with the 3rd sidewall, and this second sidewall is relative with the 4th sidewall, and this first ventilation device is positioned at
This first side wall, this second ventilation device is positioned at the 4th sidewall, and this second heat dissipation channel is from this second ventilation
Structure extends to this fan along the 3rd sidewall and this second sidewall successively, and this first heat dissipation channel is from this wind
Fan extends to this first ventilation device along this second sidewall and this first side wall successively.
It is also preferred that the left this projection arrangement also includes that multiple heat-generating units, the plurality of heat-generating units are arranged at this shell
In, and the plurality of heat-generating units is positioned at this " U " type radiator structure or adjacent to this " U " radiator structure.
Compared with prior art, projection arrangement of the present invention includes the first ventilation device, the wind being arranged on shell
Fan and the first heat dissipation channel, this fan provides air-flow in the first direction, and this first heat dissipation channel is in a second direction
Being directed to this air-flow to the first ventilation device, along third direction, this first ventilation device guides that this air-flow flows out should
Shell, wherein, this first direction and this second direction have the first angle, and this first angle is more than or equal to 90
Spending and less than 180 degree, this second direction and this third direction have the second angle, and this second angle is more than
In 0 degree and less than or equal to 90 degree, this kind of design makes while projection arrangement is carried out good heat radiating, can
Effectively reduce pneumatic noise, improve Consumer's Experience.
Accompanying drawing explanation
Fig. 1 is the structural representation of the projection arrangement of first embodiment of the invention.
Fig. 2 is the structural representation of the projection arrangement of second embodiment of the invention.
Detailed description of the invention
For making the purpose of the present invention, structure, feature and function thereof are had further understanding, hereby coordinate reality
Execute example and describe in detail as follows.
With reference to shown in Fig. 1, disclose the structural representation of projection arrangement 100 of the present invention.The present invention projects dress
Put 100 for projecting image.Projection arrangement 100 comprises shell 11, fan 12 and the first heat dissipation channel 13.
Below the concrete function of each assembly of projection arrangement 100 is described.
Shell 11 is provided with the first ventilation device 111.
Fan 12 is arranged in shell 11, provides air-flow (such as figure hollow arrow institute for F1 in the first direction
Show).
First heat dissipation channel 13 is arranged in shell 11, guides the gas of fan 12 for F2 in a second direction
Flow to the first ventilation device 111 so that this air-flow along third direction F3 outside the first ventilation device 111 flows out
Shell 11.
Wherein, first direction F1 and second direction F2 have the first included angle A, and the first included angle A is more than or equal to
90 degree are less than 180 degree, and second direction F2 and third direction F3 have the second included angle B, and the second included angle B is big
In being less than or equal to 90 degree equal to 0 degree, this kind of design makes while projection arrangement is carried out good heat radiating,
Also can effectively reduce pneumatic noise, improve Consumer's Experience.
Further, the first included angle A is less than or equal to 135 degree more than or equal to 90 degree；And/or, the second folder
Angle B is less than or equal to 60 degree more than or equal to 0 degree, but is not limited, specifically by designer according to actual feelings
Depending on condition, do not repeat them here.
Further, as it is shown in figure 1, the first heat dissipation channel 13 includes sprue 131 and the first sub-runner 132,
First sub-runner 132 is arranged at sprue 131 and fan 12, is directed to sprue with the air-flow by fan 12
131, and the first sub-runner 132 has the first central shaft, first direction F1 is parallel to this first central shaft,
Make the first sub-runner 132, along the air-out direction of fan 12, this air-flow are directed to sprue 131, reducing
By the air flow collection of fan 12 directs into sprue 131 while noise, to improve radiating effect.This enforcement
In example, this first central shaft is also parallel to fan 12 for the central shaft of fan 12 or this first central shaft
Central shaft, but be not limited.It is also preferred that the left the first sub-runner 132 contacts with fan 12 or has
One preset pitch, this first preset pitch by designer according to practical situation depending on, do not repeat them here.
Further, the first heat dissipation channel 13 also includes that the second sub-runner 133, the second sub-runner 133 are used for connecting
Sprue 131 and the first ventilation device 111, to be directed to the first ventilation device by this air-flow from sprue 131
111, and the second sub-runner 133 has the second central shaft, third direction F3 is parallel to this second central shaft,
This air-flow is directed to by the second sub-runner 133 along the first central shaft O1 direction of the first ventilation device 111
First ventilation device 111, reduce while noise by this air flow collection is directed to the first ventilation device 111 with
Flow out outside shell 11, to improve radiating effect.In the present embodiment, this second central shaft is also the first ventilation knot
The central shaft of structure 111 or this second central shaft are parallel to the central shaft of the first ventilation device 111, but not with
This is limited.It is also preferred that the left the second sub-runner 133 contacts with the first ventilation device 112 or to have second pre-
If spacing, this first preset pitch by designer according to practical situation depending on, do not repeat them here.Enter one
Step, sprue 131 has the 3rd central shaft and in the first relative end 1311 of the 3rd central axis direction
With the second end 1312, the first end 1311 is connected with the first sub-runner 132, the second end 1312 and the second shunting
Road 133 is connected, but is not limited.In the present embodiment, second direction F2 is parallel to the 3rd central shaft,
But it is not limited.Further, the first sub-runner 132 is chamfering with the junction of sprue 131, i.e.
Junction is curved, namely turning is curved, and the second sub-runner 133 is to fall with the junction of sprue 131
Angle, i.e. junction are curved, namely turning is curved, so, and can further noise reduction.Apply in reality
In, the present invention the first heat dissipation channel 13 can be to be integrally formed with shell 11, or enclosed by other elements and set
Formed, or formed by single structural member (such as pipeline), and this single structural member can be one
Formula design, can also be split-type design, specifically by designer according to practical situation depending on, at this no longer
Repeat.
Further, the present invention use the fan 12 of large-size to provide air-flow because the wind of large-size
The fan 12 relatively low rotating speed of employing i.e. can provide required throughput, and then realizes the effect of noise reduction.Concrete and
Speech, the size of fan generally refers to the area in the air-supply face of fan, when throughput one timing needed, send
The rotating speed that the fan that rotating speed that the fan that the area in wind face is big needs is little less than the area in air-supply face needs, with this
Realize the effect by increasing fan dimension noise reduction.It is also preferred that the left the length of fan 12 is more than or equal to 80 millimeters,
Width is more than or equal to 80 millimeters, and wherein the length of fan 12 is multiplied by the face that width is the air-supply face of fan 12
Long-pending, such as, the long * width * thickness of fan 12 can be 80mm*80mm*25mm, 92mm*92mm*25mm,
105mm*105mm*38mm or 120mm*120mm*25mm, but be not limited, specifically by designing
Depending on personnel are according to practical situation, do not repeat them here.It should be strongly noted that under normal circumstances, when
The rotating speed of fan 12 can realize reducing the effect of noise less than 1200 revs/min.
Further, in the first heat dissipation channel 13, it is provided with quieter material and/or at least one noise reduction fin,
With the further effect realizing reducing noise.
Further, as in figure 2 it is shown, also include the second heat dissipation channel 12, shell 11 has the second ventilation
Structure 112, the second ventilation device 112 is air inlet, and the second heat dissipation channel 12 is from the second ventilation device 112
Extending to fan 12, the second heat dissipation channel 12 and the first heat dissipation channel 13 are collectively forming " U " type radiator structure,
Air-flow enters shell 11 from the second ventilation device 112, and flows through the second heat dissipation channel 12, fan 1 and successively
First heat dissipation channel 13 to the first ventilation device 112.
Further, shell 11 has the first side wall the 113, second sidewall 114, the 3rd sidewall 115 and
Four sidewalls 116, the first side wall 113 is relative with the 3rd sidewall 115, the second sidewall 114 and the 4th sidewall 116
Relatively, the first ventilation device 111 is positioned at the first side wall 113 and runs through the first side wall 113 to connect shell
The inside of 11 and space outerpace, the second ventilation device 112 is positioned at the 4th sidewall 116 and runs through the 4th sidewall
116 to connect inside and the space outerpace of shell 11, and the second heat dissipation channel 14 depends on from the second ventilation device 112
Secondary extending to fan 12 along the 3rd sidewall 115 and the second sidewall 114, the first heat dissipation channel 13 is from fan
12 extend to the first ventilation device 111 along the second sidewall 114 and the first side wall 113 successively.It is also preferred that the left
Projection arrangement 100 includes that multiple heat-generating units, the plurality of heat-generating units are distributed near " U " type radiator structure
Or be positioned at " U " type radiator structure, so that the plurality of heat-generating units can be carried out by " U " type radiator structure
Heat radiation, wherein, the plurality of heat-generating units can be ray machine, circuit board, light source, camera lens etc..So, originally
Multiple heat-generating units in projection arrangement 100 can be dispelled the heat by invention by this " U " type radiator structure,
And noise is relatively low, the present invention " U " type radiator structure only need to offer two perforates (i.e. on shell 11 in addition
First ventilation device 111 and the second ventilation device 112), thus outward appearance perforate can be simplified, and due to shell
Perforate on 11 is less, can reduce extraneous dust to a certain extent and enter in shell 11, specifically by designer
Depending on member is according to practical situation, do not repeat them here.It is also preferred that the left quantity of heat production is high in the plurality of heat-generating units
The heat-generating units heat-generating units low compared with quantity of heat production is near the first ventilation device 111, i.e. near air outlet, it is achieved close
Removing the work office, and then improve radiating effect, but be not limited, specifically by designer according to practical situation
Fixed, do not repeat them here.In the present embodiment, camera lens is arranged at the 4th sidewall 116, and camera lens is positioned at " U "
The opening part of type radiator structure.
Further, the first ventilation device 111 and the second ventilation device 12 can include one or many respectively
Individual hole, but be not limited, specifically by designer according to practical situation depending on, do not repeating at this.
To sum up, projection arrangement of the present invention includes that the first ventilation device, fan and first that are arranged on shell dissipate
The passage of heat, this fan provides air-flow in the first direction, and this first heat dissipation channel is directed to this gas in a second direction
Flowing to the first ventilation device, this first ventilation device guides this air-flow along third direction and flows out this shell, wherein,
This first direction and this second direction have the first angle, and this first angle is more than or equal to 90 degree and less than 180
Degree, this second direction and this third direction have the second angle, and this second angle is more than or equal to 0 degree and is less than
Equal to 90 degree, this kind of design makes while projection arrangement is carried out good heat radiating, can effectively reduce air-flow
Noise, improves Consumer's Experience.
The present invention is been described by by above-mentioned related embodiment, but above-described embodiment is only and implements the present invention's
Example.It must be noted that, the embodiment disclosed is not limiting as the scope of the present invention.On the contrary, not
The change made in departing from the spirit and scope of the present invention and retouching, all belong to the scope of patent protection of the present invention.
Claims (10)
1. a projection arrangement, it is characterised in that comprise:
Shell, is provided with the first ventilation device；
Fan, is arranged in this shell, for providing air-flow in the first direction；
First heat dissipation channel, is arranged in this shell, for guiding the air-flow of this fan in a second direction to being somebody's turn to do
First ventilation device, so that this air-flow flows out this shell along this third direction from this first ventilation device；
Wherein, this first direction and this second direction have the first angle, and this first angle is more than or equal to 90
Spending and less than 180 degree, this second direction and this third direction have the second angle, and this second angle is more than
In 0 degree and less than or equal to 90 degree.
2. projection arrangement as claimed in claim 1, it is characterised in that this first angle is more than or equal to
90 degree and less than or equal to 135 degree；And/or, this second angle is less than or equal to 60 degree more than or equal to 0 degree.
3. projection arrangement as claimed in claim 1, it is characterised in that this first heat dissipation channel includes
Sprue and the first sub-runner, this first sub-runner is between this sprue and this fan, with by this fan
Air-flow be directed to this sprue, and this first sub-runner has the first central shaft, and this first direction is parallel to
This first central shaft.
4. projection arrangement as claimed in claim 3, it is characterised in that this first heat dissipation channel also wraps
Including the second sub-runner, this second sub-runner is used for connecting this sprue and this first ventilation device, with by this gas
Stream is directed to this first ventilation device from this sprue, and this second sub-runner has the second central shaft, and this is the years old
Three are oriented parallel to this second central shaft.
5. projection arrangement as claimed in claim 4, it is characterised in that this sprue has the first end
With the second end, this first end and this second end are positioned at the 3rd central axial opposite end of this sprue, are somebody's turn to do
First end is connected with this first sub-runner, and this second end is connected with this second sub-runner, and this second direction is parallel
In the 3rd central shaft.
6. projection arrangement as claimed in claim 4, it is characterised in that this first sub-runner is main with this
The junction of runner is chamfering, and this second sub-runner is chamfering with the junction of this sprue.
7. projection arrangement as claimed in claim 1, it is characterised in that set in this first heat dissipation channel
It is equipped with quieter material and/or at least one noise reduction fin.
8. projection arrangement as claimed in claim 1, it is characterised in that also include the second heat dissipation channel,
This second heat dissipation channel extends to this fan from the second ventilation device of this shell, this second heat dissipation channel with should
First heat dissipation channel forms " U " type radiator structure.
9. projection arrangement as claimed in claim 8, it is characterised in that this shell have the first side wall,
Second sidewall, the 3rd sidewall and the 4th sidewall, this first side wall is relative with the 3rd sidewall, this second sidewall
Relative with the 4th sidewall, this first ventilation device is positioned at this first side wall, and this second ventilation device is positioned at this
4th sidewall, this second heat dissipation channel from this second ventilation device successively along the 3rd sidewall and this second side
Wall extends to this fan, this first heat dissipation channel from this fan successively along this second sidewall and this first side wall
Extend to this first ventilation device.
10. the projection arrangement as described in claim 8 or 9, it is characterised in that this projection arrangement is also
Including multiple heat-generating units, the plurality of heat-generating units is arranged in this shell, and the plurality of heat-generating units is positioned at
In being somebody's turn to do " U " type radiator structure or adjacent to being somebody's turn to do " U " radiator structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610531907.XA CN106019782B (en) | 2016-07-07 | 2016-07-07 | Projection arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610531907.XA CN106019782B (en) | 2016-07-07 | 2016-07-07 | Projection arrangement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106019782A true CN106019782A (en) | 2016-10-12 |
| CN106019782B CN106019782B (en) | 2018-01-05 |
Family
ID=57109023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610531907.XA Active CN106019782B (en) | 2016-07-07 | 2016-07-07 | Projection arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106019782B (en) |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN106019782B (en) | 2018-01-05 |
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