CN209089136U - Projection arrangement - Google Patents
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- CN209089136U CN209089136U CN201822170142.9U CN201822170142U CN209089136U CN 209089136 U CN209089136 U CN 209089136U CN 201822170142 U CN201822170142 U CN 201822170142U CN 209089136 U CN209089136 U CN 209089136U
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Abstract
A kind of projection arrangement, including casing, projection lens module and light emitting module.Casing includes the first air intake vent and air outlet.Projection lens module is set in casing and neighbouring first air intake vent.Light emitting module is set in casing and neighbouring air outlet.Casing includes rear cover.Rear cover includes the second air intake vent, and the second air intake vent corresponds to light emitting module.First air-flow flows into casing from the first air intake vent, radiates to projection lens module and light emitting module, then flowed out by air outlet.Second air-flow flows into casing from the second air intake vent, radiates to light emitting module, then flowed out by air outlet.The projection arrangement of the utility model can reach good heat dissipation effect.
Description
Technical field
The utility model relates to a kind of display equipment, specifically with the projection arrangement of radiator structure.
Background technique
Projection arrangement is a kind of display equipment to generate large scale picture, and image-forming principle is to be mentioned light emitting module
The illuminating bundle of confession is converted into image strip by light valve (Light Value), then throws image strip through projection lens
Screen is mapped to form image.User can utilize projection arrangement and projection screen of arranging in pairs or groups, to cooperate image source to provide image information
Do the presentation of image frame.Therefore, projection arrangement has played the transmitting of information very big, and is widely used in being permitted
It is multi-field.
In the operation of projection arrangement, the internal component of projection arrangement, such as projection lens module or light emitting module,
Heat will be generated.If heat accumulation in casing, will affect the image quality of projection lens.Therefore, existing way is usually by projection lens
Head module is arranged in the integrally-built upstream side of projection arrangement, i.e., at the air intake vent of casing, and by light emitting module and remaining component
Including radiating module, such as cooling fin group or fan, configure in integrally-built downstream side, i.e., at the air outlet of casing, to
Projection lens module is not affected by high temperatures and can maintain image quality.However, under such configuration mode, as main heating source
Light emitting module be only capable of by being radiated by the air-flow of projection lens module and light emitting module, cause to shine for cooling
The radiating module of module and the heat exchanger effectiveness passed through between projection lens module and the air-flow of light emitting module are bad, Wu Fayou
Effect solves the heat dissipation problem of light emitting module, and the heat of light emitting module can not effectively be carried over system, and the efficiency of light emitting module can not
Effectively promoted.
In addition, be applied to the laser module of light emitting module, in technology under continuous progress, bring smaller encapsulation with
And higher power.With under existing known technology by laser module it is advanced for update a generation, and require reach lower
Temperature and higher power output need to be reached, but face following point.
It is only capable of inhibiting to reduce the method that temperature rises in a manner of increasing rotation speed of the fan and improve throughput in known technology
It will lead to great noise problem, the fin width size of radiator (Heat sink) is larger, the path change that air-flow is advanced
Long, the boundary layer growth between radiating fin is larger, increases flow resistance and reduces fan performance, so even improving wind
The efficiency fanning revolving speed energy bring air flow rate and being promoted is very limited, therefore causes the radiating efficiency of radiator poor.
" background technique " paragraph is used only to help to understand the content of the present invention, therefore is taken off in " background technique " paragraph
The content of dew may include some known technologies without constituting road known to those skilled in the art.In " background technique " paragraph institute
The content of exposure does not represent the content or the utility model one or more embodiment problem to be solved, practical at this
It has been readily known to those persons skilled in the art or has recognized before novel application.
Utility model content
The utility model provides a kind of projection arrangement, has good heat dissipation effect and image quality.
It is to propose one kind up to one of above-mentioned or part or all of purpose or other purposes, an embodiment of the utility model
Projection arrangement, including casing, projection lens module and light emitting module.Casing includes the first air intake vent and air outlet.Projection
Lens module is set in casing and neighbouring first air intake vent.Light emitting module is set in casing and neighbouring air outlet.Casing packet
Include rear cover.Rear cover includes the second air intake vent, and the second air intake vent corresponds to light emitting module.First air-flow flows into machine from the first air intake vent
It in shell, radiates to projection lens module and light emitting module, then is flowed out by air outlet.Second air-flow is flowed into from the second air intake vent
It in casing, radiates to light emitting module, then is flowed out by air outlet.
Based on above-mentioned, the projection arrangement of the utility model includes casing, projection lens module and light emitting module, wherein throwing
Shadow lens module is set in casing and the first air intake vent of neighbouring casing, and light emitting module is set in casing and neighbouring casing
Air outlet.In this way, the first air-flow flows into casing from the first air intake vent, radiate to projection lens module and light emitting module.
Furthermore the rear cover of casing includes the second air intake vent, and the second air intake vent corresponds to light emitting module.In this way, the second air-flow enters from second
Air port flows into casing, radiates to light emitting module.Whereby, other than introducing the first air-flow through the first air intake vent, for
As the light emitting module of main heating source and the light-emitting component of light emitting module, the second gas further is introduced through the second air intake vent
Stream can not effectively be carried over to avoid the heat of light emitting module so as to improving the heat dissipation effect to light emitting module, influence light emitting module
Luminous efficiency.Accordingly, the projection arrangement of the utility model has good heat dissipation effect and image quality.In addition to this, also
Heat accumulation can be improved influences the image quality of projection lens module in casing.
In order to make the above-mentioned features and advantages of the utility model more obvious and understandable, special embodiment below, and cooperate attached drawing
It is described in detail below.
Detailed description of the invention
Fig. 1 is the top cross-sectional view of the projection arrangement of an embodiment of the utility model.
Fig. 2A is the schematic diagram of the members of the projection arrangement of Fig. 1.
Fig. 2 B to Fig. 2 E is the schematic diagram of the members of other embodiments.
Fig. 3 A is the schematic diagram of the cooling base of Fig. 1.
Fig. 3 B to Fig. 3 D is the schematic diagram of the cooling base of other embodiments.
Fig. 4 is the vertical view enlarged cross-sectional view of the projection arrangement of Fig. 1.
Specific embodiment
It is real with reference to attached drawing in following cooperation in relation to addressing other technologies content, feature and effect before the utility model
It applies in the detailed description of example, can clearly present.The direction term being previously mentioned in following embodiment, such as: upper and lower, left,
It is right, front or rear etc., it is only the direction with reference to attached drawing.Therefore, the direction term used is intended to be illustrative and not intended to limit this reality
With novel.
Fig. 1 is the top cross-sectional view of the projection arrangement of an embodiment of the utility model.Referring to FIG. 1, in this reality
It applies in example, projection arrangement 100 includes casing 110, projection lens module 120 and light emitting module 130.Projection lens module 120
It is set in casing 110 with light emitting module 130.Wherein, light emitting module 130 includes light-emitting component 130a, light valve and other light
Learn component (such as reflecting mirror, collector lens) etc. and other components not being painted.In the present embodiment, light-emitting component 130a
It in this way include the solid-states such as laser diode (Laser Diode) or light emitting diode (Light Emitting Diode, LED)
Light source, for providing excitation beam.In other embodiments, light-emitting component 130a is, for example, light bulb, not limited to this.Shine mould
Block 130 is for providing illuminating bundle.Light valve is configured on the transmission path of illuminating bundle, and illuminating bundle is converted into image light
Beam.Then, projection lens module 120 is configured on the transmission path of image strip, and image strip is converted into projected light beam,
And then projection arrangement 100 is made to reach projecting acts.However, above description be projection arrangement 100, projection lens module 120 with
One embodiment of light emitting module 130, the composition of projection arrangement 100 and its applied projection lens module 120 and light emitting module
130 composition can be adjusted according to demand, and the utility model is not limited thereto.
In the present embodiment, casing 110 include front cover 112, rear cover 114, lower cover 116, a pair of of the side cover not being painted and
Upper cover.Wherein, front cover 112 and rear cover 114 opposite to each other, a pair of of side cover for not being painted it is relative to each other, and lower cover 116 be not painted
Upper cover it is relative to each other so that the composition of casing 110 generally presents box-like, and remaining component can be configured in casing 110.Figure
1 is considered as dismantling projection arrangement 100 top cross-sectional view after the upper cover of casing 110.However, not according to application mode
Together, casing 110 can be adjusted to discoid, oval plate-like or other proper shapes according to demand, and size can also be according to demand
Adjustment, the utility model are not limited to this.Projection lens module 120 and light emitting module 130 are set in casing 110, to reach
Projecting acts above-mentioned.
In the operation of projection arrangement 100, the internal component of projection arrangement 100, such as projection lens module 120 with
Light emitting module 130 will generate heat.In particular, the light-emitting component 130a of light emitting module 130 is considered as the master of projection arrangement 100
Want one of heat source.If heat accumulation in casing 110, will affect the heat dissipation effect and projection lens module of light emitting module 130
120 image quality.Therefore, such as Fig. 1, in the present embodiment, casing 110 includes the first air intake vent 110a and air outlet
110b.First air intake vent 110a and air outlet 110b are for example arranged on a pair of of the side cover not being painted, and are correspondingly arranged in machine
The opposite sides of shell 110.Projection lens module 120 and light emitting module 130 are located at the first air intake vent 110a and air outlet 110b
Between, wherein projection lens module 120 is set in casing 110 and adjacent to the first air intake vent 110a.Projection lens module 120 is thrown
The projected light beam penetrated leaves projection arrangement 100 by upper cover.Front cover 112 is not provided with any opening.
Light emitting module 130 is set in casing 110 and neighbouring air outlet 110b.In this way, the first air-flow A1 is from the first inlet air
Mouthful 110a is flowed into casing 110, to radiate to projection lens module 120 and light emitting module 130, then is flowed by air outlet 110b
Out.On the flow path of the first air-flow A1 projection lens module 120 and light emitting module 130 be located at the first air intake vent 110a and
Between air outlet 110b.Whereby, heat caused by the internal component of projection arrangement 100 can carry out scattered through the first air-flow A1
Heat.In particular, projection lens module 120 is disposed in proximity to the first air intake vent 110a, the first air-flow A1 can be effectively penetrated
It radiates to projection lens module 120, the image quality of projection lens module 120 can be maintained.
It in the present embodiment, include the second air intake vent 114a in the rear cover 114 of casing 110.Second air intake vent 114a is corresponding
In the light-emitting component 130a of light emitting module 130.Furthermore, the second air intake vent 114a is located at the rear end of light emitting module 130,
Air outlet 110b is located relative to the side of light emitting module 130, and light emitting module 130 is located on the flow path of the second air-flow A2
Between second air intake vent 114a and air outlet 110b.In this way, the second air-flow A2 flows into casing 110 from the second air intake vent 114a
It is interior, it is radiated with the light-emitting component 130a to light emitting module 130, then flowed out by air outlet 110b.Whereby, in addition to the first air-flow
Except A1, heat caused by the light emitting module 130 of projection arrangement 100 can further radiate through the second air-flow A2.
It further illustrates, other than the first air-flow A1, heat caused by the light-emitting component 130a of light emitting module 130 can also be through the
Two air-flow A2 radiate.
Furthermore in the present embodiment, since the first air intake vent 110a and air outlet 110b are separately positioned on the one of casing 110
To side cover, and the second air intake vent 114a is arranged on the rear cover 114 of casing 110, compared to the first air intake vent 110a, the second inlet air
Mouthful 114a is closer to air outlet 110b.In this way, the first air-flow A1 can sequentially flow through projection lens module 120 and light emitting module
130, and the second air-flow A2 flows primarily through the radiating module of light emitting module 130, and the first air-flow A1 and the second air-flow A2 are then
It is flowed out by air outlet 110b.
In the present embodiment, when projection arrangement 100 is placed in XYZ coordinate system, the light-emitting component of light emitting module 130
The optical axis O of 130a is substantially parallel to the Y-axis of XYZ coordinate system, and the centre normal (not being painted) of the second air intake vent 114a is substantially
On be parallel to Y-axis so that the angle substantially 0 of the centre normal of the optical axis O of light-emitting component 130a and the second air intake vent 114a
Degree, i.e., the optical axis O of light-emitting component 130a is generally overlapped with the centre normal of the second air intake vent 114a.It is described " generally " to refer to
Allow to make difference brought by tolerance or size design.Therefore, the optical axis O of light-emitting component 130a and the second air intake vent 114a
The angle of centre normal be unspecified angle between 0 degree to 5 degree, i.e. the optical axis O of light-emitting component 130a and the second air intake vent
The centre normal of 114a can have under the premise of coinciding with one another to be deviated slightly.However, above-mentioned condition is only the utility model
One of embodiment, in other embodiments, when projection arrangement 100 using other kinds of casing (such as with curve
The rear cover of shape profile), or the position of the second air intake vent 114a is had adjusted using rectangular box-like casing 110, and lead
When the centre normal of the second air intake vent 114a being caused to be not parallel to Y-axis, the optical axis O of light-emitting component 130a and the second air intake vent 114a's
The angle of centre normal can also be adjusted according to demand.The center method of the optical axis O of light-emitting component 130a and the second air intake vent 114a
The angle of line is the unspecified angle between 0 degree to 45 degree, but the utility model is not limited to this.As long as the second air intake vent 114a energy
The radiating module for enough making the second air-flow A2 flow to light emitting module 130 radiates to it, that is, can reach the heat dissipation of the utility model
Purpose, specific embodiment can be adjusted according to demand.
Similarly, when projection arrangement 100 is placed in XYZ coordinate system, the centre normal of the second air intake vent 114a is substantially
On be parallel to the Y-axis of XYZ coordinate system, the centre normal (not being painted) of air outlet 110b is substantially parallel to X-axis, so that second enters
Substantially 90 degree of the angle of the centre normal of the centre normal and air outlet 110b of air port 114a, i.e. the second air intake vent 114a's
Centre normal and the centre normal of air outlet 110b are generallyperpendicular.Therefore, the centre normal and outlet air of the second air intake vent 114a
The angle of the centre normal of mouth 110b is the unspecified angle between 85 degree to 95 degree.However, above-mentioned condition is only the utility model
One of embodiment, in other embodiments, when projection arrangement 100 using other kinds of casing (such as with curve
The rear cover or side cover of shape profile), or have adjusted using rectangular box-like casing 110 second air intake vent 114a and/or
The position of air outlet 110b, and the centre normal of the second air intake vent 114a is caused to be not parallel in Y-axis and/or air outlet 110b
When heart normal is not parallel to X-axis, the angle of the centre normal of the centre normal and air outlet 110b of the second air intake vent 114a can also
To adjust according to demand, the utility model is not limited to this.As long as the second air intake vent 114a can make the second air-flow A2 flow to hair
Optical module 130 carries out heat dissipation to it and air outlet 110b can make the second air-flow A2 flow out casing 110, that is, it is practical new to can reach this
The heat dissipation purpose of type, specific embodiment can be adjusted according to demand.
In addition, for improving radiating effect, projection arrangement 100 further includes radiating module, radiating module include fan 140,
Cooling fin group 150, cooling base 160 and heat pipe 170.In the present embodiment, fan 140 is set in casing 110, and is located at
Between light emitting module 130 and air outlet 110b, casing 110 will be flowed into from the first air intake vent 110a and the second air intake vent 114a
Interior the first air-flow A1 and the second air-flow A2 is drawn to air outlet 110b.Cooling fin group 150 is set in casing 110, and is located at
Between light emitting module 130 and air outlet 110b, so that the first air-flow A1 and the second air-flow A2 that fan 140 is drawn pass through heat dissipation
Piece group 150 and flow to air outlet 110b and be expelled to projection arrangement 100.Also that is, compared to light emitting module 130, fan 140 and
Cooling fin group 150 is closer to air outlet 110b, so that in X-direction between projection lens module 120 and the first air intake vent 110a
On distance be less than light emitting module 130 between air outlet 110b in the X-axis direction at a distance from, that is, light emitting module 130 with
There is also fan 140 and cooling fin groups 150 between air outlet 110b, but the utility model is not limited to this, can be according to need
Ask adjustment.In this way, the setting of fan 140 and cooling fin group 150 can be assisted the heat guidance in casing 110 to air outlet
110b further promotes the whole heat dissipation effect of projection arrangement 100.
Furthermore for improving radiating effect, in the present embodiment, the cooling base 160 and light emitting module of projection arrangement 100
130 connections, that is, cooling base 160 are contacted with light-emitting component 130a, and by the mode of heat transfer, light-emitting component 130a is produced
Raw heat is transferred to cooling base 160, and cooling base 160 is located between light emitting module 130 and the second air intake vent 114a.Wherein,
Cooling base 160 includes multiple radiator structures 162 and the pedestal 164 for connecting light emitting module 130.Pedestal 164 is, for example, flat
Plate and it is easily engageable on light emitting module 130, such as pedestal 164 is bonded on rear side of light-emitting component 130a.Radiator structure 162 from
Pedestal 164 is prominent towards the second air intake vent 114a, and there is interval to each other.In this way, light emitting module 130 and light-emitting component
Heat caused by 130a can be transmitted outward through cooling base 160, and the second gas flowed into from the second air intake vent 114a of arranging in pairs or groups
Stream A2 radiate, make heat with the second air-flow A2 from air outlet 110b flow out.Due to cooling base 160 and light emitting module 130
The shorter and thermal resistance of the distance between light-emitting component 130a it is lower, heat can be effectively transmitted to heat dissipation base from light emitting module 130
Seat 160, so that there are biggish temperature differences by cooling base 160 and the second air-flow A2 from the second air intake vent 114a inflow, therefore
The heat exchanger effectiveness between cooling base 160 and the second air-flow A2 can be improved.Furthermore heat pipe 170 connects cooling base 160 and dissipates
Backing group 150.In this way, heat caused by light emitting module 130 can be transferred to cooling fin through cooling base 160 and heat pipe 170
Group 150, and arrange in pairs or groups the first air-flow A1 flowed into from the first air intake vent 110a and the second air-flow from the second air intake vent 114a inflow
A2 radiates, and flows out heat with the first air-flow A1 and the second air-flow A2 from air outlet 110b in place of cooling fin group 150.Such as
This, the setting of cooling base 160 and heat pipe 170 also can further improving radiating effect.
Fig. 2A is the schematic diagram of the members of the projection arrangement of Fig. 1.Fig. 2 B to Fig. 2 E is the part group of other embodiments
The schematic diagram of part.Fig. 3 A is the schematic diagram of the cooling base of Fig. 1.Fig. 3 B to Fig. 3 D is the signal of the cooling base of other embodiments
Figure.It will illustrate the fan and cooling fin group of the present embodiment and other embodiments, and with Fig. 2A to Fig. 2 E below with Fig. 3 A to Fig. 3 D
Illustrate the cooling base of the present embodiment and other embodiments.
It please refer to Fig. 1 and Fig. 2A, in the present embodiment, the quantity of fan 140 is two, and the fan 140 is each other simultaneously
It arranges between light emitting module 130 and air outlet 110b, but one or three or more can also be used, the utility model is not limited to
This.Furthermore cooling fin group 150 includes upstream cooling fin group 152 and downstream cooling fin group 154.The configuration of upstream cooling fin group 152 exists
Between light emitting module 130 and fan 140, and downstream cooling fin group 154 configures between fan 140 and air outlet 110b, so that
Fan 140 is configured between upstream cooling fin group 152 and downstream cooling fin group 154.Upstream cooling fin group 152 and downstream cooling fin
Group 154 is respectively the combination that multiple cooling fins are constituted, and cooling fin group 150 (i.e. upstream cooling fin group 152 and downstream cooling fin
The configuration range of group 154) corresponds to the configuration range of two fans 140, i.e., cooling fin included by cooling fin group 150 is in axial direction
The distribution of upper (Y-axis of the XYZ coordinate system of such as Fig. 1) corresponds to (Y of the XYZ coordinate system of such as Fig. 1 in the axial direction of fan 140
Axis) configuration range, that is, size (the shared body of upstream cooling fin group 152, downstream cooling fin group 154 and fan 140
Product) it is substantially the same.In this way, the first air-flow A1 and the second air-flow A2 can sequentially pass through upstream cooling fin group 152, fan 140
With downstream cooling fin group 154, then flowed out from air outlet 110b.This upstream cooling fin group 152, fan 140 and downstream are radiated
The radiating module for the sandwich structure that piece group 154 is constituted can have compared with low flow resistance and be added to air quantity, and then be promoted
Heat dissipation effect.However, the composition of fan 140 and cooling fin group 150 can also the mode as described in the embodiment of Fig. 2 B to Fig. 2 E into
Row adjustment.
Specifically, cooling fin group 150a includes downstream cooling fin group 154 but does not include upstream in the embodiment of Fig. 2 B
Cooling fin group 152, in the embodiment of Fig. 2 C, cooling fin group 150b includes upstream cooling fin group 152 but does not include downstream heat dissipation
Piece group 154.When only with wherein one group of upstream cooling fin group 152 and downstream cooling fin group 154, one group of heat pipe is also used
170 connect light emitting module 130 and upstream cooling fin group 152 or downstream cooling fin group 154.It follows that the group of cooling fin group
At that can adjust according to demand, the utility model is not limited to this.Also, illustrate although not shown, but the size of cooling fin group can also
It is adjusted according to demand.When only with wherein one group of upstream cooling fin group 152 and downstream cooling fin group 154, width can also be used
Biggish cooling fin is spent to constitute upstream cooling fin group 152 or downstream cooling fin group 154, and the utility model is not limited to this.
In addition, the quantity of fan 140 is one in the embodiment of Fig. 2 D, and cooling fin group 150c (including upstream heat dissipation
Piece group 152c and downstream cooling fin group 154c) configuration range correspond to a fan 140 configuration range.Similarly, scheming
In the embodiment of 2E, the quantity of fan 140 is three and configuration side by side, and cooling fin group 150d (including upstream cooling fin group
152d and downstream cooling fin group 154d) configuration range correspond to three fans 140 configuration range.It follows that fan 140
Quantity can be adjusted according to demand, and the configuration range of cooling fin group can correspond to fan 140 configuration range adjust, this
Utility model is not limited to this.Also, illustrate although not shown, when using multiple fans 140, the arrangement mode of fan 140
It can be adjusted according to demand, and cooling fin group at this time can also be only with wherein the one of upstream cooling fin group and downstream cooling fin group
Group, the utility model are not limited to this.
Furthermore it please refer to Fig. 1 and Fig. 3 A, in the present embodiment, cooling base 160 includes radiator structure 162 and plate
The pedestal 164 of shape.Radiator structure 162 is across multiple radiating fins of 164 left and right sides of pedestal, protrudes outward from pedestal 164
And it is arranged in parallel, and there is interval to each other.When cooling base 160 is configured at light emitting module 130 by flat pedestal 164
When upper, the radiating fin as radiator structure 162 extends toward the second air intake vent 114a, and is substantially parallel to XYZ coordinate system
X/Y plane.In this way, the second air-flow A2 can carry out heat exchange with the radiator structure 164 of cooling base 160, and then make from luminous mould
Block 130 and light-emitting component 130a are transferred to the hot of cooling base 160 and flow out with the second air-flow A2 from air outlet 110b.And
And though non-icon illustrates, the radiating fin as radiator structure 162 is also possible to use other modes toward the second air intake vent
114a extends, and the utility model is not limited to this.However, the structure of cooling base 160 can also be such as the embodiment of Fig. 3 B to Fig. 3 D
The mode is adjusted.
In the embodiment of Fig. 3 B, cooling base 160a includes radiator structure 162a and flat pedestal 164.Heat dissipation knot
Structure 162a is radiating fin, protrudes outward from pedestal 164 and is arranged in array.When cooling base 160a is by flat pedestal
164 when being configured on light emitting module 130, and the radiating fin for being arranged in array as radiator structure 162a is toward the second air intake vent
114a extends, and is generally respectively parallel to the X/Y plane of XYZ coordinate system.In this way, the embodiment compared to Fig. 3 A, can increase
Gap between radiating fin, but the utility model is not limited to this.
Similarly, in the embodiment of Fig. 3 C and Fig. 3 D, cooling base 160b include radiator structure 162b with it is flat
Pedestal 164, and cooling base 160c includes radiator structure 162c and flat pedestal 164.Radiator structure 162b is from pedestal
164 multiple sections that are prominent outward and being arranged in array are round and its width equally distributed thermal column in the height direction,
And radiator structure 162c is prominent outward from pedestal 164 and to be arranged in multiple sections of array be rectangle and its width in height side
The thermal column to successively decrease upwards from bottom towards top.When cooling base 160b or cooling base 160c are by flat pedestal
164 when being configured on light emitting module 130, and the thermal column for being arranged in array as radiator structure 162a or radiator structure 162b is past
Second air intake vent 114a extends.It follows that the utility model is not intended to limit the specific of radiator structure used by cooling base
Form, as long as can transmit outward heat caused by light emitting module 130 and light-emitting component 130a via cooling base.
Fig. 4 is the vertical view enlarged cross-sectional view of the projection arrangement of Fig. 1.Fig. 1 and Fig. 4 are please referred to, in the present embodiment, the
Two air intake vent 114a are less than cooling fin group 150 farthest closest to the distance between one end of air outlet 110b and air outlet 110b d1
Separate out the distance between the one side (e.g. air-flow enter cooling fin group 150 at first surface) of air port 110b and air outlet 110b
D2, and the second air intake vent 114a is greater than fan 140 closest to the distance between one end of air outlet 110b and air outlet 110b d1
The distance between one side and air outlet 110b farthest away from air outlet 110b d3.Above-mentioned design is for improving heat dissipation effect.
Specifically, the second air intake vent 114a is closest to the distance between one end of air outlet 110b and air outlet 110b d1
Refer to the second air intake vent 114a closest to one end of air outlet 110b along XYZ coordinate axis X-direction to air outlet 110b it
Between distance, one side of the cooling fin group 150 far from air outlet 110b refer to cooling fin group with the distance between air outlet 110b d2
152 one side far from air outlet 110b of upstream cooling fin group in 150 along the distance between X-direction to air outlet 110b,
And one side of the fan 140 far from air outlet 110b refers to fan 140 far from air outlet with the distance between air outlet 110b d3
The one side of 110b is along the distance between X-direction to air outlet 110b.However, working as its for using and being different from the casing 110 of Fig. 1
When the casing of his type, then above-mentioned definition mode is not limited to.
In the present embodiment, distance d1 is set as being less than distance d2, that is, the opening range of the second air intake vent 114a
It generates and partly overlaps in the X-axis direction with the allocation position of cooling fin group 150.In this way, entering casing from the second air intake vent 114a
The second air-flow A2 in 110 at least corresponds to a portion (such as upstream cooling fin group 152) of cooling fin group 150, can
So that the second air-flow A2 and cooling fin group 150 carry out sufficient heat exchange, and then improve whole heat dissipation effect.Similarly, will
Distance d1 is set greater than distance d3, that is, the opening range of the second air intake vent 114a and the allocation position of fan 140 in X-axis
It is not overlapped on direction, and in the X-axis direction, the position of the second air intake vent 114a is before the position of fan 140, so that fan
140 positioned at the flow path of the second air-flow A2, (i.e. the second air-flow A2 flows through the second air intake vent 114a, fan 140 to air outlet
On 110b).In this way, part the second air-flow A2 entered in casing 110 from the second air intake vent 114a can directly be taken out by fan 140
Draw and carry out sufficient heat exchange with part the first air-flow A1 for flowing through upstream cooling fin group 152, so-called heat exchange, that is, temperature is high
The first air-flow A1 and part the second air-flow A2 for being directly entered in casing 110 both be sufficiently mixed and reduce the temperature of air-flow,
So that part the first air-flow A1 and part the second air-flow A2 that fan 140 flows out have lower temperature, it can be effectively to downstream
Cooling fin group 154 cools down, so that the better heat-radiation effect of projector entirety.However, the utility model is not limited to
This, can adjust according to actual demand.
In addition, in the present embodiment, lower cover 116 includes third air intake vent 116a.For the angle of vertical view, third inlet air
Mouth 116a corresponds to the position of upstream cooling fin group 152 between light source module 130 and air outlet 110b.In the view of Fig. 1
In angle, the third air intake vent 116a positioned at lower cover 116 is shielded corresponding to upstream cooling fin group 152, therefore is represented by dotted lines,
And third air intake vent 116a can be multiple slits being arranged in parallel with each other or be single opening, but the utility model is not limited to
This, as long as setting corresponds to the opening of upstream cooling fin group 152 on lower cover 116.In this way, third air-flow A3 is from third
Air intake vent 116a is flowed into casing 110 with Z-direction, the heat of upstream cooling fin group 152, further by from third air intake vent
116a flow into third air-flow A3 radiate, make heat with third air-flow A3 from air outlet 110b flow out.Due to third inlet air
Mouth 116a corresponds to the position of upstream cooling fin group 152, therefore the heat exchange between third air-flow A3 and upstream cooling fin group 152
Efficiency is good.In this way, the setting of third air intake vent 116a also can further improving radiating effect.However, the utility model does not limit to
In this, can be adjusted according to demand.
In conclusion the projection arrangement of the utility model includes casing, projection lens module and light emitting module, wherein throwing
Shadow lens module is set in casing and the first air intake vent of neighbouring casing, and light emitting module is set in casing and neighbouring casing
Air outlet.In this way, the first air-flow flows into casing from the first air intake vent, sequentially to carry out to projection lens module and light emitting module
Heat dissipation.Furthermore the rear cover of casing includes the second air intake vent, and the second air intake vent corresponds to light emitting module.In this way, the second air-flow is from
Two air intake vents flow into casing, to radiate to light emitting module.Whereby, in addition to through the first air intake vent introduce the first air-flow it
Outside, for the light-emitting component of the light emitting module as main heating source, the second air-flow further is introduced through the second air intake vent, is borrowed
To improve the heat dissipation effect to light emitting module, the heat dissipation effect of light emitting module is influenced in casing to avoid heat accumulation.In addition, throwing
Image device can also according to demand using fan, cooling fin group, cooling base and/or heat pipe come improving radiating effect.Accordingly, this reality
There is good heat dissipation effect and image quality with novel projection arrangement.
Only as described above, the only preferred embodiment of the utility model, when the utility model cannot be limited with this
The range of implementation, i.e., all simple equivalence changes made according to the utility model claims book and utility model content with repair
Change, all still belongs in the range that the utility model patent covers.In addition any embodiment or claim of the utility model are not necessary to
Reach the disclosed whole purpose of the utility model or advantage or feature.In addition, abstract and utility model title be intended merely to it is auxiliary
It helps patent document retrieval to be used, not is used to limit the interest field of the utility model.In addition, this specification or claims
In refer to " first ", the terms such as " second " are only to name the title or the different embodiments of difference or model of element (Element)
It encloses, and is not used to limit the upper limit or lower limit in component count.
Description of symbols:
100: projection arrangement
110: casing
110a: the first air intake vent
110b: air outlet
112: front cover
114: rear cover
114a: the second air intake vent
116: lower cover
116a: third air intake vent
120: projection lens module
130: light emitting module
130a: light-emitting component
140: fan
150,150a, 150b, 150c, 150d: cooling fin group
152,152c, 152d: upstream cooling fin group
154,154c, 154d: downstream cooling fin group
160,160a, 160b, 160c: cooling base
162,162a, 162b, 162c: radiator structure
164: pedestal
170: heat pipe
A1: the first air-flow
A2: the second air-flow
A3: third air-flow
D1, d2, d3: distance
O: optical axis.
Claims (18)
1. a kind of projection arrangement, which is characterized in that the projection arrangement includes casing, projection lens module and light emitting module,
Wherein:
The casing includes the first air intake vent and air outlet；
The projection lens module is set in the casing and neighbouring first air intake vent；And
The light emitting module is set in the casing and the neighbouring air outlet,
Wherein the casing includes rear cover, and the rear cover includes the second air intake vent, and second air intake vent corresponds to described shine
Module,
First air-flow flows into the casing from first air intake vent, to the projection lens module and the light emitting module into
Row heat dissipation, then flowed out by the air outlet, the second air-flow flows into the casing from second air intake vent, to the luminous mould
Block radiates, then is flowed out by the air outlet.
2. projection arrangement according to claim 1, which is characterized in that the light emitting module includes light-emitting component, the hair
The angle of the centre normal of the optical axis of optical element and second air intake vent is the unspecified angle between 0 degree to 45 degree.
3. projection arrangement according to claim 1, which is characterized in that the light emitting module includes light-emitting component, the hair
The angle of the centre normal of the optical axis of optical element and second air intake vent is the unspecified angle between 0 degree to 5 degree.
4. projection arrangement according to claim 1, which is characterized in that second air intake vent is located at the light emitting module
Rear end, the air outlet are located at a side of the light emitting module, the luminous mould on the flow path of second air-flow
Block is between second air intake vent and the air outlet.
5. projection arrangement according to claim 4, which is characterized in that the centre normal of second air intake vent and it is described go out
The angle of the centre normal in air port is the unspecified angle between 85 degree to 95 degree.
6. projection arrangement according to claim 1, which is characterized in that first air intake vent and the air outlet are corresponding
It is set to the opposite sides of the casing, the projection lens module shines with described on the flow path of first air-flow
Module is between first air intake vent and the air outlet.
7. projection arrangement according to claim 1, which is characterized in that between first air intake vent and the air outlet
Distance is greater than the distance between second air intake vent and the air outlet.
8. projection arrangement according to claim 1, which is characterized in that the projection lens module and first air intake vent
The distance between be less than the distance between the light emitting module and the air outlet.
9. projection arrangement according to claim 1, which is characterized in that further include:
An at least fan is set in the casing, and between the light emitting module and the air outlet, will be from described
First air-flow that first air intake vent and second air intake vent flow into the casing and second air-flow be drawn to
The air outlet；And
An at least cooling fin group, is set in the casing, and between the light emitting module and the air outlet, so that institute
It states first air-flow and second air-flow that fan is drawn and the outlet air is flow to by an at least cooling fin group
Mouthful.
10. projection arrangement according to claim 9, which is characterized in that an at least cooling fin group includes upstream heat dissipation
Piece group configures between the light emitting module and the fan.
11. projection arrangement according to claim 9, which is characterized in that an at least cooling fin group includes downstream heat dissipation
Piece group configures between the fan and the air outlet.
12. projection arrangement according to claim 9, which is characterized in that an at least cooling fin group includes upstream heat dissipation
Piece group and downstream cooling fin group, the fan arrangement is between the upstream cooling fin group and the downstream cooling fin group.
13. projection arrangement according to claim 9, which is characterized in that the quantity of the fan is multiple, the multiple wind
Fan is each other side by side between the light emitting module and the air outlet.
14. projection arrangement according to claim 9, which is characterized in that the configuration range pair of an at least cooling fin group
The configuration range of fan described in Ying Yu.
15. projection arrangement according to claim 9, which is characterized in that second air intake vent is closest to the air outlet
One end and the distance between the air outlet be greater than the fan farthest away from the air outlet one side and the air outlet it
Between distance.
16. projection arrangement according to claim 9, which is characterized in that second air intake vent is closest to the air outlet
One end and the distance between the air outlet be less than the one side and institute of at least cooling fin group farthest away from the air outlet
State the distance between air outlet.
17. projection arrangement according to claim 9, which is characterized in that further include:
Cooling base is connect with the light emitting module, and between the light emitting module and second air intake vent, described to dissipate
Hot radical seat includes multiple radiator structures, and the multiple radiator structure is prominent towards second air intake vent；And
An at least heat pipe connects the cooling base and an at least cooling fin group.
18. projection arrangement according to claim 1, which is characterized in that the casing further includes lower cover, and the lower cover includes
Third air intake vent, the third air intake vent correspond to described at least one between the light emitting module and the air outlet
Cooling fin group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822170142.9U CN209089136U (en) | 2018-12-24 | 2018-12-24 | Projection arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822170142.9U CN209089136U (en) | 2018-12-24 | 2018-12-24 | Projection arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209089136U true CN209089136U (en) | 2019-07-09 |
Family
ID=67127226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822170142.9U Active CN209089136U (en) | 2018-12-24 | 2018-12-24 | Projection arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209089136U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110632811A (en) * | 2019-09-29 | 2019-12-31 | 深圳市火乐科技发展有限公司 | Projector with a light source |
| US11520219B2 (en) | 2019-08-04 | 2022-12-06 | Coretronic Corporation | Heat dissipating module and projection device |
-
2018
- 2018-12-24 CN CN201822170142.9U patent/CN209089136U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11520219B2 (en) | 2019-08-04 | 2022-12-06 | Coretronic Corporation | Heat dissipating module and projection device |
| CN110632811A (en) * | 2019-09-29 | 2019-12-31 | 深圳市火乐科技发展有限公司 | Projector with a light source |
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