CN106019782B - Projection arrangement - Google Patents
Projection arrangement Download PDFInfo
- Publication number
- CN106019782B CN106019782B CN201610531907.XA CN201610531907A CN106019782B CN 106019782 B CN106019782 B CN 106019782B CN 201610531907 A CN201610531907 A CN 201610531907A CN 106019782 B CN106019782 B CN 106019782B
- Authority
- CN
- China
- Prior art keywords
- projection arrangement
- heat dissipation
- dissipation channel
- fan
- degree
- 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
Abstract
The present invention discloses a kind of projection arrangement, including the first ventilation device being arranged on shell, fan and the first heat dissipation channel, the fan provides air-flow in the first direction, first heat dissipation channel guides the air-flow to the first ventilation device in a second direction, first ventilation device guides the air-flow along third direction and flows out the shell, wherein, the first direction has the first angle with the second direction, first angle is more than or equal to 90 degree and is less than 180 degree, the second direction has the second angle with the third direction, second angle is more than or equal to 0 degree and less than or equal to 90 degree, such a design causes while good heat radiating is carried out to projection arrangement, pneumatic noise can effectively be reduced, improve Consumer's Experience.
Description
Technical field
The present invention describes a kind of projection arrangement, the relatively low projection arrangement of espespecially a kind of noise.
Background technology
The technology of DLP projection arrangements is a kind of full-digital reflective shadow casting technique, and its feature is Digital Advantage first：Numeral
The use of technology, improve gradation of image grade, picture noise disappears, and image quality is stable, and digital picture is very accurate；Secondly
It is reflection advantage.DLP projection arrangements definition is high, picture is uniform, and color is sharp keen, fine and smooth, naturally true to nature, and three machines can reach very
High brightness, and can random zoom, adjustment it is very convenient.
The operation principle of DLP projection arrangements is the illuminating bundle for being sent light source, and the colour wheel module by rotation is by light
Line, which is filtered into after three kinds of colors of red, green, blue, is delivered to display module to be converted into image strip, then by projection lens by image light
Beam, which is projected on screen, forms picture, so as to provide splendid visual effect for spectator.
DLP projection arrangements can produce substantial amounts of heat in use, so as to cause projection arrangement temperature to raise, influence
The normal use of projection arrangement, therefore, in order that projection arrangement normal use to projection arrangement, it is necessary to radiate, so as to throw
The temperature of image device maintains one can be in the range of normal use.The existing radiating mode to projection arrangement typically by
The direct projection arrangement of air-flow of fan is radiated, and in order to reach radiating effect, and fan needs to provide stronger air-flow, and compared with
Strong air-flow can produce loud noise in projection arrangement internal motion, and therefore, such a radiating mode often produces noise, influence
Consumer's Experience.In order to improve Consumer's Experience, it is necessary to carry out noise reduction process to projection arrangement.And the existing wind on projection arrangement
The noise-reducing design of fan and runner is concentrated mainly in increasing quieter material in runner to reduce noise, and such a design method reduces
The effect of noise is limited, can not meet user's demand.
Therefore, it is necessary to a kind of new projection arrangement is provided, to overcome drawbacks described above.
The content of the invention
It is an object of the invention to provide a kind of projection arrangement, and noise is relatively low while good heat radiating is carried out.
For the above-mentioned purpose, the present invention provides a kind of projection arrangement, comprising：
Shell, it is provided with the first ventilation device；
Fan, it is arranged in the shell, for providing air-flow in the first direction；
First heat dissipation channel, it is arranged in the shell, it is first logical to this for guiding the air-flow of the fan in a second direction
Depressed structure, so that the air-flow flows out the shell along the third direction from first ventilation device；
Wherein, the first direction has the first angle with the second direction, and first angle is more than or equal to 90 degree and is less than
180 degree, the second direction have the second angle with the third direction, and second angle is more than or equal to 0 degree and less than or equal to 90 degree.
Preferably, first angle is more than or equal to 90 degree and less than or equal to 135 degree；And/or second angle be more than etc.
It is less than or equal to 60 degree in 0 degree.
Preferably, first heat dissipation channel includes sprue and the first runner, first runner is located at the sprue
Between the fan, the air-flow of the fan is directed to the sprue, and first runner has the first central shaft, this
One is oriented parallel to first central shaft.
Preferably, first heat dissipation channel also includes the second runner, second runner be used to connecting the sprue and
First ventilation device, the air-flow is directed to first ventilation device from the sprue, and second runner has the
Two central shafts, the third direction is parallel to second central shaft.
Preferably, the sprue has first end and the second end, the first end and second end are located at the of the sprue
Three central axial opposite ends, the first end are connected with first runner, and second end is connected with second runner, should
Second direction is parallel to the 3rd central shaft.
Preferably, the junction of first runner and the sprue is chamfering, second runner and the sprue
Junction is chamfering.
Preferably, quieter material and/or at least one noise reduction fin are provided with first heat dissipation channel.
Preferably, also including the second heat dissipation channel, second heat dissipation channel extends to from the second ventilation device of the shell
The fan, second heat dissipation channel form U-typed radiator structure with first heat dissipation channel.
Preferably, the shell has the first side wall, second sidewall, the 3rd side wall and the 4th side wall, the first side wall and should
3rd side wall is relative, and the second sidewall is relative with the 4th side wall, and first ventilation device is located at the first side wall, and this is second logical
Depressed structure is located at the 4th side wall, second heat dissipation channel from second ventilation device successively along the 3rd side wall and this second
Side wall extends to the fan, and first heat dissipation channel extends to this along the second sidewall and the first side wall successively from the fan
First ventilation device.
Preferably, the projection arrangement also includes multiple heat-generating units, the plurality of heat-generating units are arranged in the shell, and should
Multiple heat-generating units are located in the U-typed radiator structure or neighbouring " U " radiator structure.
Compared with prior art, projection arrangement of the present invention includes being arranged at the first ventilation device on shell, fan and the
One heat dissipation channel, the fan provide air-flow in the first direction, and first heat dissipation channel is directed to the air-flow in a second direction
One ventilation device, first ventilation device guide the air-flow along third direction and flow out the shell, wherein, the first direction with this
Two directions have the first angle, and first angle is more than or equal to 90 degree and is less than 180 degree, and the second direction has with the third direction
There is the second angle, second angle is more than or equal to 0 degree and less than or equal to 90 degree, and such a design causes good to projection arrangement progress
While radiating well, pneumatic noise can be effectively reduced, improves Consumer's Experience.
Brief description of the drawings
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.
Embodiment
To make to have further understanding to the purpose of the present invention, construction, feature and its function, hereby coordinate embodiment detailed
It is described as follows.
Shown in reference picture 1, the structural representation of projection arrangement 100 of the present invention is disclosed.Projection arrangement 100 of the present invention is used for
Project image.Projection arrangement 100 includes shell 11, the heat dissipation channel 13 of fan 12 and first.Below to each group of projection arrangement 100
The concrete function of part is described.
Shell 11 is provided with the first ventilation device 111.
Fan 12 is arranged in shell 11, and air-flow is provided for F1 in the first direction (as shown in figure hollow arrow).
First heat dissipation channel 13 is arranged in shell 11, and the air-flow for the guiding fans 12 of F2 in a second direction is to first logical
Depressed structure 111, so that the air-flow flows out shell 11 along third direction F3 from the first ventilation device 111.
Wherein, first direction F1 and second direction F2 has the first included angle A, and the first included angle A is more than or equal to 90 degree and is less than 180
Degree, second direction F2 and third direction F3 have the second included angle B, and the second included angle B is more than or equal to 0 degree less than or equal to 90 degree, such a
Design while good heat radiating is carried out to projection arrangement, can also effectively reduce pneumatic noise, improve Consumer's Experience.
Further, the first included angle A is more than or equal to 90 degree and is less than or equal to 135 degree；And/or second included angle B be more than or equal to
0 degree is less than or equal to 60 degree, but is not limited, and specifically by designer depending on actual conditions, will not be repeated here.
Further, as shown in figure 1, the first heat dissipation channel 13 includes the runner 132 of sprue 131 and first, first point
Runner 132 is arranged at sprue 131 and fan 12, and the air-flow of fan 12 is directed into sprue 131, and the first runner
132 have the first central shaft, and first direction F1 is parallel to first central shaft so that the first going out along fan 12 of runner 132
The air-flow is directed to sprue 131 by wind direction, and sprue will be directed into the air flow collection of fan 12 while noise is reduced
131, to improve radiating effect.In the present embodiment, first central shaft is also the central shaft or first central shaft of fan 12
Parallel to the central shaft of fan 12, but it is not limited.Preferably, the first runner 132 is in contact or had with fan 12
First default spacing, the first default spacing depending on actual conditions, will not be repeated here by designer.Further,
First heat dissipation channel 13 also includes the second runner 133, and the second runner 133 is used to connect the ventilation knot of sprue 131 and first
Structure 111, the air-flow is directed to the first ventilation device 111 from sprue 131, and the second runner 133 has the second center
Axle, third direction F3 is parallel to second central shaft so that first center of second runner 133 along the first ventilation device 111
The air-flow is directed to the first ventilation device 111 by axle O1 directions, and first will be directed in the air flow collection while noise is reduced
Ventilation device 111 is to flow out outside shell 11, to improve radiating effect.In the present embodiment, second central shaft is also the first ventilation
The central shaft of structure 111 or second central shaft but are not limited parallel to the central shaft of the first ventilation device 111.Compared with
Good, the second runner 133 is in contact with the first ventilation device 112 or with the second default spacing, the first default spacing
By designer depending on actual conditions, it will not be repeated here.Further, sprue 131 have the 3rd central shaft and
In the relative end 1312 of first end 1311 and second of the 3rd central axis direction, first end 1311 and the phase of the first runner 132
Even, the second end 1312 is connected with the second runner 133, but is not limited.In the present embodiment, second direction F2 parallel to this
Three central shafts, but be not limited.Further, the junction of the first runner 132 and sprue 131 is chamfering, that is, is connected
Locate curved, namely turning is curved, and the junction of the second runner 133 and sprue 131 is chamfering, i.e., junction is in arc
Shape, namely turning are curved, in this way, can further noise reduction.In practical application, the first heat dissipation channel 13 of the invention can be
It is integrally formed with shell 11, either enclosed to set by other elements and formed or is formed by single structural member (such as pipeline), and this
Single structural member can be unitary design, can also be split-type design, specifically by designer according to actual conditions and
It is fixed, it will not be repeated here.
Further, the present invention provides air-flow using the fan 12 of large-size, because the fan 12 of large-size is adopted
Required throughput can be provided with relatively low rotating speed, and then realize the effect of noise reduction.Specifically, the size of fan is main
The area in the air-supply face of fan is referred to, when the timing of throughput one of needs, rotating speed that the big fan of the area in face of blowing needs
The rotating speed that the fan small less than the area in air-supply face needs, the effect by increasing fan dimension noise reduction is realized with this.Preferably,
The length of fan 12 is more than or equal to 80 millimeters, and width is more than or equal to 80 millimeters, and it is wind that the length of wherein fan 12, which is multiplied by width,
Fan 12 air-supply face area, for example, the wide * thickness of the long * of fan 12 can be 80mm*80mm*25mm, 92mm*92mm*25mm,
105mm*105mm*38mm or 120mm*120mm*25mm, but be not limited, specifically by designer according to actual conditions
Depending on, it will not be repeated here.It should be strongly noted that under normal circumstances, when the rotating speed of fan 12 can less than 1200 revs/min
To realize the effect for reducing noise.
Further, quieter material and/or at least one noise reduction fin are provided with the first heat dissipation channel 13, with further
Realizing reduces the effect of noise.
Further, as shown in Fig. 2 also including the second heat dissipation channel 12, there is the second ventilation device 112 on shell 11,
Second ventilation device 112 is air inlet, and the second heat dissipation channel 12 extends to fan 12, the second radiating from the second ventilation device 112
The heat dissipation channel 13 of passage 12 and first is collectively forming U-typed radiator structure, and air-flow enters shell 11 from the second ventilation device 112,
And the second heat dissipation channel 12, the ventilation device 112 of 1 and first heat dissipation channel of fan 13 to the first are flowed through successively.
Further, shell 11 has the first side wall 113, second sidewall 114, the 3rd side wall 115 and the 4th side wall 116,
The side wall 115 of the first side wall 113 and the 3rd is relative, and the side wall 116 of second sidewall 114 and the 4th is relative, and the first ventilation device 111 is located at
At the first side wall 113 and run through the first side wall 113 to connect the inside of shell 11 and exterior space, the second ventilation device 112
To connect the inside of shell 11 and exterior space at the 4th side wall 116 and through the 4th side wall 116, the second heat dissipation channel 14 is certainly
Second ventilation device 112 extends to fan 12 along the 3rd side wall 115 and second sidewall 114 successively, and the first heat dissipation channel 13 is certainly
Fan 12 extends to the first ventilation device 111 along second sidewall 114 and the first side wall 113 successively.Preferably, projection arrangement
100 include multiple heat-generating units, and the plurality of heat-generating units are distributed in U-typed radiator structure and nearby or positioned at U-typed radiating tied
In structure, so that U-typed radiator structure can radiate to the plurality of heat-generating units, wherein, the plurality of heat-generating units can be light
Mechanical, electrical road plate, light source, camera lens etc..In this way, the present invention can be to multiple in projection arrangement 100 by the U-typed radiator structure
Heat-generating units are radiated, and noise is relatively low, and U-typed radiator structure of the present invention need to open up two perforates on shell 11 in addition
(i.e. the first ventilation device 111 and the second ventilation device 112), thus outward appearance perforate can be simplified, and due to the perforate on shell 11
It is less, extraneous dust can be reduced to a certain extent to be entered in shell 11, specifically by designer depending on actual conditions,
This is repeated no more.Preferably, the high heat-generating units of the quantity of heat production heat-generating units low compared with quantity of heat production are close in the plurality of heat-generating units
First ventilation device 111, i.e., close to air outlet, rational deployment is realized, and then improve radiating effect, but be not limited, specifically
By designer depending on actual conditions, it will not be repeated here.In the present embodiment, camera lens is arranged at the 4th side wall 116, and mirror
Head is located at the opening of U-typed radiator structure.
Further, the first ventilation device 111 and the second ventilation device 12 can include one or more hole respectively, but
It is not limited, specifically by designer depending on actual conditions, is not repeating herein.
To sum up, projection arrangement of the present invention includes the first ventilation device, fan and the first heat dissipation channel being arranged on shell,
The fan provides air-flow in the first direction, and first heat dissipation channel is directed to the air-flow to the first ventilation device in a second direction,
First ventilation device guides the air-flow along third direction and flows out the shell, wherein, the first direction has with the second direction
First angle, first angle are more than or equal to 90 degree and are less than 180 degree, and the second direction has the second folder with the third direction
Angle, second angle are more than or equal to 0 degree and less than or equal to 90 degree, and such a design carrying out good heat radiating to projection arrangement
Meanwhile pneumatic noise can be effectively reduced, improve Consumer's Experience.
The present invention is described by above-mentioned related embodiment, but above-described embodiment is only the example for implementing the present invention.
It must be noted that the embodiment disclosed is not limiting as the scope of the present invention.On the contrary, do not depart from the present invention spirit and
In the range of the change and retouching made, belong to the scope of patent protection of the present invention.
Claims (10)
1. a kind of projection arrangement, it is characterised in that include：
Shell, it is provided with the first ventilation device；
Fan, it is arranged in the shell, for providing air-flow in the first direction；
First heat dissipation channel, it is arranged in the shell, air-flow to first ventilation for guiding the fan in a second direction is tied
Structure, so that the air-flow flows out the shell along third direction from first ventilation device；
Wherein, the first direction has the first angle with the second direction, and first angle is more than or equal to 90 degree and less than 180
Degree, the second direction have the second angle with the third direction, and second angle is more than or equal to 0 degree and less than or equal to 90 degree.
2. projection arrangement as claimed in claim 1, it is characterised in that first angle is more than or equal to 90 degree and is less than or equal to
135 degree；And/or second angle is more than or equal to 0 degree and is less than or equal to 60 degree.
3. projection arrangement as claimed in claim 1, it is characterised in that first heat dissipation channel includes sprue and the first shunting
Road, first runner are located between the sprue and the fan, and the air-flow of the fan is directed into the sprue, and this
One runner has the first central shaft, and the first direction is parallel to first central shaft.
4. projection arrangement as claimed in claim 3, it is characterised in that first heat dissipation channel also includes the second runner, should
Second runner is used to connect the sprue and first ventilation device, and the air-flow is directed into this from the sprue first leads to
Depressed structure, and second runner has the second central shaft, the third direction is parallel to second central shaft.
5. projection arrangement as claimed in claim 4, it is characterised in that the sprue has first end and the second end, and this first
End is located at the 3rd central axial opposite end of the sprue with second end, and the first end is connected with first runner,
Second end is connected with second runner, and the second direction is parallel to the 3rd central shaft.
6. projection arrangement as claimed in claim 4, it is characterised in that the junction of first runner and the sprue is to fall
Angle, the junction of second runner and the sprue is chamfering.
7. projection arrangement as claimed in claim 1, it is characterised in that be provided with first heat dissipation channel quieter material and/
Or at least one noise reduction fin.
8. projection arrangement as claimed in claim 1, it is characterised in that also including the second heat dissipation channel, second heat dissipation channel
The fan is extended to from the second ventilation device of the shell, second heat dissipation channel forms U-typed with first heat dissipation channel and dissipated
Heat structure.
9. projection arrangement as claimed in claim 8, it is characterised in that the shell has the first side wall, second sidewall, the 3rd side
Wall and the 4th side wall, the first side wall is relative with the 3rd side wall, and the second sidewall is relative with the 4th side wall, first ventilation
Structure is located at the first side wall, and second ventilation device is located at the 4th side wall, and second heat dissipation channel is tied from second ventilation
Structure extends to the fan along the 3rd side wall and the second sidewall successively, and first heat dissipation channel is from the fan successively along this
Second sidewall and the first side wall extend to first ventilation device.
10. the projection arrangement as described in claim 8 or 9, it is characterised in that it is single that the projection arrangement also includes multiple heatings
Member, the plurality of heat-generating units are arranged in the shell, and the plurality of heat-generating units are located in the U-typed radiator structure or neighbouring
Should " 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 CN106019782A (en) | 2016-10-12 |
| CN106019782B true 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 |
|---|---|
| CN106019782A (en) | 2016-10-12 |
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