CN110045572A - Colour wheel mould group and projection arrangement - Google Patents
Colour wheel mould group and projection arrangement Download PDFInfo
- Publication number
- CN110045572A CN110045572A CN201810046677.7A CN201810046677A CN110045572A CN 110045572 A CN110045572 A CN 110045572A CN 201810046677 A CN201810046677 A CN 201810046677A CN 110045572 A CN110045572 A CN 110045572A
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- China
- Prior art keywords
- balance element
- mould group
- colour wheel
- wheel mould
- basal disc
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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
-
- 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
-
- 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
- G03B21/20—Lamp housings
-
- 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
- G03B21/20—Lamp housings
- G03B21/2006—Lamp housings characterised by the light source
- G03B21/2033—LED or laser light sources
- G03B21/204—LED or laser light sources using secondary light emission, e.g. luminescence or fluorescence
Abstract
This application discloses a kind of colour wheel mould groups, which includes basal disc, light conversion layer and multiple balance elements, and light conversion layer is covered on a side surface of basal disc；Multiple balance elements are set to the setting of the center of rotation interval on another side surface of the separate light conversion layer of basal disc and around basal disc, wherein, balance element can at least partly be removed from basal disc according to the dynamic balancing demand of colour wheel mould group, multiple balance elements are also used to increase the heat dissipation area of colour wheel mould group, to improve the radiating efficiency of colour wheel mould group.Disclosed herein as well is a kind of projection arrangement, which includes above-mentioned colour wheel mould group.By the above-mentioned means, the application can be when the dynamic balancing of colour wheel mould group be unsatisfactory for demand, removing partial equilibrium part makes the dynamic balancing meet demand of colour wheel mould group, and the heat dissipation area by increasing colour wheel mould group, to improve the radiating efficiency of colour wheel mould group.
Description
Technical field
This application involves projection arrangement fields, more particularly to a kind of colour wheel mould group and projection arrangement.
Background technique
It, generally can be in order to make internal transmission light that there is color in the projection arrangements such as projector, projection TV now
Colour wheel is added between the projection source and display panel of projection arrangement, so that the light beam from projection source has after colour wheel filters
Colored.Due on colour wheel there is light conversion layer can show difference by the light beam of light conversion layer when colour wheel is quickly rotated
Color show colorful pattern on a display panel after reflection or projection.
Colour wheel on the make, due to the thickness of light conversion layer be arranged it is uneven, alternatively, when basal disc and driving motor assemble
It is uneven to will lead to the operating of colour wheel mould group for the deviation of concentricity.
Summary of the invention
The application, can be discontented in the dynamic balancing of colour wheel mould group mainly solving the technical problems that provide a kind of colour wheel mould group
When sufficient demand, removing partial equilibrium part makes the dynamic balancing meet demand of colour wheel mould group, and the radiating surface by increasing colour wheel mould group
Product, to improve the radiating efficiency of colour wheel mould group.
In order to solve the above technical problems, the technical solution that the application uses is: providing a kind of colour wheel mould group, the colour wheel
Mould group includes: basal disc, light conversion layer and multiple balance elements, and light conversion layer is covered on a side surface of basal disc；Multiple balances
Part is set to the setting of the center of rotation interval on another side surface of the separate light conversion layer of basal disc and around basal disc, wherein balance
Part can at least partly be removed from basal disc according to the dynamic balancing demand of colour wheel mould group, and multiple balance elements are also used to increase colour wheel mould group
Heat dissipation area, to improve the radiating efficiency of colour wheel mould group.
In order to solve the above technical problems, another technical solution that the application uses is: providing a kind of projection arrangement, the throwing
Image device includes above-mentioned colour wheel mould group.
The beneficial effect of the application is: being in contrast to the prior art, the application colour wheel mould group includes: basal disc, light turn
Layer and multiple balance elements are changed, light conversion layer is covered on a side surface of basal disc；Multiple balance elements are set to the separate of basal disc
Center of rotation interval setting on another side surface of light conversion layer and around basal disc, wherein balance element can be according to colour wheel mould group
Dynamic balancing demand at least partly removed from basal disc, multiple balance elements are also used to increase the heat dissipation area of colour wheel mould group, to improve
The radiating efficiency of colour wheel mould group.Since balance element can at least partly be removed from basal disc according to the dynamic balancing demand of colour wheel mould group,
Therefore, by removing partial equilibrium part, the dynamic balancing of colour wheel mould group can be made when the dynamic balancing of colour wheel mould group is unsatisfactory for demand
Meet demand, further, since multiple balance elements are set on basal disc, make basal disc and balance element can to colour wheel mould group into
Row heat dissipation, increases the heat dissipation area of colour wheel mould group, improves the radiating efficiency of colour wheel mould group.
Detailed description of the invention
Fig. 1 is the schematic cross-section of the application first embodiment colour wheel mould group；
Fig. 2 is the structural schematic diagram of the application second embodiment colour wheel mould group；
Fig. 2 a is the structural schematic diagram of another embodiment colour wheel mould group in the application second embodiment；
Fig. 3 is the structural schematic diagram of the application 3rd embodiment colour wheel mould group；
Fig. 4 is the structural schematic diagram of the application fourth embodiment colour wheel mould group；
Fig. 5 is the structural schematic diagram of the embodiment of the present application projection arrangement.
Specific embodiment
It is with reference to the accompanying drawings and embodiments, right in order to which the objects, technical solutions and advantages of the application are more clearly understood
The application is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the application, not
For limiting the application.
It should be noted that it can when an element is described as on " being fixed on " or " being set to " another element
Directly on the other element or may be simultaneously present centering elements.When an element is described as " connecting " another
Element, it, which can be, is directly connected to another element or may be simultaneously present centering elements.
It is only each other relatively it should also be noted that, the positional terms such as left and right, upper and lower, top, bottom in following embodiment
Concept or be reference with the normal operating condition of product, and should not be regarded as restrictive.
Referring to Fig. 1, Fig. 1 is the schematic cross-section of the application first embodiment colour wheel mould group.
In the present embodiment, colour wheel mould group 10 includes basal disc 11, light conversion layer 12 and multiple balance elements 13.
Light conversion layer 12 is covered on a side surface of basal disc 11.
Multiple balance elements 13 are set to be turned on another side surface of the separate light conversion layer 12 of basal disc 11 and around basal disc 11
Heart septum setting in dynamic, wherein balance element 13 can at least partly be moved from basal disc 11 according to the dynamic balancing demand of colour wheel mould group 10
It removes, multiple balance elements 13 are also used to increase the heat dissipation area of colour wheel mould group 10, to improve the radiating efficiency of colour wheel mould group.
Colour wheel mould group 10 further includes driving motor 14, and driving motor 14 is for driving basal disc 11 to rotate.
In the present embodiment, colour wheel mould group 10 includes reflecting layer 15, and reflecting layer 15 is set to light conversion layer 12 and basal disc 11
Between.Reflecting layer 15 is used to reflect the column of colour generated after the conversion of light conversion layer 12.
In another embodiment, colour wheel mould group 10 include transmission layer (not shown), transmission layer be set to light conversion layer 12 with
Between basal disc 11.Transmission layer is used to transmit the column of colour generated after the conversion of light conversion layer 12.
In the present embodiment, the shape of basal disc 11 is circle.In other embodiments, the shape of basal disc 11 can be triangle
The polygons such as shape, quadrangle, pentagon and hexagon, the application are not construed as limiting this.
In the present embodiment, the material of basal disc 11 can be metal, the metal material can for copper, aluminium, copper alloy or
Aluminium alloy etc..In other embodiments, the material of basal disc 11 can be high molecular material, and the application does not limit this.
Optionally, the diameter range of basal disc 11 can be between 50mm~150mm, for example, the diameter of basal disc 11 can be
50mm, 100mm or 150mm.In the present embodiment, the diameter of basal disc 11 is 100mm.
Basal disc 11 may include positioned at the first disk body 111 of center of rotation, around the second disk body of the first disk body 111 setting
112.Second disk body 112 connects the first disk body 111.In the present embodiment, the second disk body 112 and the first disk body 111 are integrally formed.
Optionally, the excircle dimension of the first disk body 111 can be the half of 112 excircle dimension of the second disk body.For example, in the first disk body
When 111 outside diameter A, the outside diameter of the second disk body 112 can be 2 × A.
Optionally, the outside diameter of the first disk body may range from 40~60mm, and the outside diameter of the second disk body can be
80~120mm.For example, the outside diameter of the first disk body can be 40mm, 50mm or 60mm, the outside diameter of the second disk body can
Think 80mm, 100mm or 120mm.In the present embodiment, the outside diameter of the first disk body is 50mm, the outer circle of the second disk body
Diameter is 100mm.
In the present embodiment, thickness of the thickness of the first disk body 111 less than the second disk body 112.In other embodiments,
The thickness of one disk body 111 can also be more than or equal to the thickness of the second disk body 112, be not construed as limiting herein.
Light conversion layer 12 is used to being converted to the light beam (white light) of projection source into colorful image strip (colored
Light).In the present embodiment, light conversion layer 12 can be is made of phosphor powder layer, for example, light conversion layer 12 can be by red fluorescence
Powder, blue colour fluorescent powder and green emitting phosphor are constituted with predetermined ratio.In other embodiments, light conversion layer 12 can be by filtering
Mating plate composition, for example, light conversion layer 12 can by Red lightscreening plate, blue color filter, these three optical filters of green color filter with
Predetermined ratio is constituted.
Optionally, it can be the setting of 12 part of light conversion layer that light conversion layer 12, which is covered on a side surface of basal disc 11,
On one side surface of two disk bodies 112, light conversion layer 12 is provided entirely on a side surface of the second disk body 112 or light conversion
Layer 12 be arranged on a side surface of the first disk body 111 and a side surface of the second disk body 112 on.In the present embodiment, light turns
It changes layer 12 to be provided entirely on a side surface of the second disk body 112, i.e. projected size of the light conversion layer 12 on basal disc 11 and the
The size of one side surface of two disk bodies 112 is identical.
Reflecting layer 15 is set between light conversion layer 12 and basal disc 11.In the present embodiment, light conversion layer 12 is in basal disc 11
On projection can cover all projection of the reflecting layer 15 on basal disc 11, and perspective plane of the light conversion layer 12 on basal disc 11
Product is greater than projected area of the reflecting layer 15 on basal disc 11.In other embodiments, light turns projection of the conversion layer on basal disc 11
Projection of the reflecting layer 15 on basal disc 11 can be fallen into, and projected area of the light conversion layer 12 on basal disc 11 is less than or equal to
Projected area of the reflecting layer 15 on basal disc 11.
In other embodiments, colour wheel mould group 10 may include transmission layer, and transmission layer is set to light conversion layer 12 and basal disc
Between 11.Optionally, position of the projection layer on basal disc 11 can be similar with the position in reflecting layer 15, and details are not described herein again.
Optionally, the first disk body 111 is provided with opening (not shown), and the opening is for being arranged driving motor 14, driving electricity
Machine 14 is fixedly connected by protruding into the opening with the first disk body 111.
Optionally, the shape of the opening is not limited to round, polygon or other shapes.Optionally, driving motor 14 with
Connection between first disk body 111 can be splicing, clamping or screw connection etc..
Optionally, the first disk body 111 is far from being provided at least two spokes 16, the spoke on a side surface of light conversion layer 12
Item 16 and the first disk body 111 are integrally formed and are fixedly connected between the second disk body 112 and driving motor 14.In the present embodiment
In, the quantity of spoke 16 is four, and four spokes 16 are uniformly arranged on a side surface of first disk body 111 far from light conversion layer 12
On.By the way that spoke 16 is arranged, the connection between the second disk body 112 of colour wheel mould group 10 and driving motor 14 can be made more firm
Gu.
When the light beam (usually white light) of projection source arrives at the light conversion layer 12 of colour wheel, since the high speed of colour wheel is revolved
Turn, the color Qu Butong for the light conversion layer 12 for arriving at the light beam of projection source, and be mixed into coloured light, coloured light is anti-
It penetrates after layer 15 reflects and projects colour wheel mould group 10.
In the present embodiment, multiple balance elements 13 are set on another side surface of the separate light conversion layer 12 of basal disc 11.
Further, multiple balance elements 13 can be set on the surface of the separate light conversion layer 12 of the second disk body 112.By the way that light is turned
The side surface that the second disk body 112 is arranged in layer 12 is changed, balance element 13 is arranged far from the second disk body 112 of light conversion layer 12
Another side surface can be such that colour wheel is diffused in the heat issue when light conversion by basal disc 11 and balance element 13, into
And improve the heat-sinking capability of colour wheel mould group 10.
In the present embodiment, the material of balance element can be metal.In other embodiments, the material of balance element can be
High molecular material, the application do not limit this.
Optionally, when the material of balance element is metal, the Brinell hardness range of the metal material is HB25~200, example
Such as, the Brinell hardness of the metal material can be HB25, HB100 or HB200.
Optionally, the material of balance element 13 can be copper, aluminium, copper alloy or aluminium alloy etc..In the present embodiment, it balances
The material of part 13 is copper.Optionally, the material of balance element 13 can be identical as the material of basal disc 11.
Optionally, heat sink material can also be coated on basal disc 11 and/or balance element 13, to further increase colour wheel mould group
10 heat-sinking capability.Wherein, heat sink material can be graphite, resin combination etc., be not construed as limiting herein.
Optionally, the quantity of balance element 13 should be at least more than three, and balance element 13 is uniformly arranged on the remote of the second disk body 112
Surface from light conversion layer 12.
Optionally, length range of the balance element 13 on first direction can be between 5mm~25mm, which can
Think the direction that basal disc 11 is directed toward from light conversion layer 12.For example, length of the balance element 13 on first direction can for 5mm,
15mm or 25mm.
In the present embodiment, equally circumferential array is arranged on the second disk body 112 multiple balance elements 13.In other realities
It applies in example, balance element 13 can be with the surface of separate light conversion layer 12 equidistant and that the second disk body 112 is arranged in polygon.
The polygon can be triangle, quadrangle or pentagon etc..
Balance element 13 is fixedly connected with basal disc 11.In the present embodiment, balance element 13 and basal disc 11 are integrally formed.Another
In embodiment, balance element 13 can be connected through a screw thread with basal disc 11.For example, basal disc 11 is equipped with groove, interior spiral shell is arranged in groove
Line, 13 one end of balance element are provided with external screw thread, which matches with internal screw thread, and balance element 13 and basal disc 11 are matched by screw thread
It closes, so that 13 basal disc 11 of balance element be made to be fixedly connected on basal disc 11.In another embodiment, balance element 13 can weld or
It is connected on basal disc 11.The application is not construed as limiting balance element 13 and the connection type of basal disc 11.
In the present embodiment, balance element 13 is used for when colour wheel mould group 10 is uneven, by the side for cutting the balance element 13
Formula removes partial equilibrium part 13, and then balances colour wheel mould group 10.It should be understood that cutting out balance element 13 can be to cut out a balance element
13 partial equilibrium part 13, or cut out an entire balance element 13.
Referring to Fig. 2, Fig. 2 is the structural schematic diagram of the application second embodiment colour wheel mould group.
In the present embodiment, the balance element of colour wheel mould group 20 can be column balance element 23.
Basal disc 21, light conversion layer 22, driving motor 24 and reflecting layer 25 can be with basal disc 11, the light in first embodiment
Conversion layer 12, driving motor 14 and reflecting layer 15 are identical, and details are not described herein again.
Optionally, the shape of column balance element 23 can be cylinder, rotary table, circular cone, prism, terrace with edge or pyramid.Wherein,
Prism can be the prisms such as triangular prism, quadrangular or pentagonal prism；Terrace with edge can be the ribs such as triangular platform, truncated rectangular pyramids or five terrace with edges
Platform；Pyramid can be the pyramids such as triangular pyramid, rectangular pyramid or pentagonal pyramid.It should be understood that column balance element 23 shape be cylinder,
When rotary table, prism or terrace with edge, both ends can be connect with basal disc 21.It is circular cone or rib in the shape of column balance element 23
When cone, the bottom surface of circular cone or the bottom surface of pyramid are connect with basal disc 21.
Optionally, the shape of column balance element 23 can also be combined shape, for example, column balance element 23 can be divided into
First segment and second segment, first segment and second segment are integrally formed, and first segment is connected between basal disc 21 and second segment, first segment
Shape can be that the shape of cylinder perhaps rotary table second segment can be that perhaps hemispherical or first segment shape can be with for circular cone
For prism or terrace with edge, the shape of second segment can be pyramid.The embodiment of the present application is not construed as limiting combined shape.
In the present embodiment, the shape of column balance element 23 is cylinder.
Optionally, the length range on first direction of column balance element 23 can be 5mm~15mm.For example, column
Length of the balance element 23 on first direction can be 5mm, 10mm or 15mm.In the present embodiment, 23 edge of column balance element
Length on first direction is 10mm.
Optionally, the diameter range of column balance element 23 is 1mm~3mm.For example, the diameter of column balance element 23 can be
1mm, 2mm or 3mm.In the present embodiment, the diameter of column balance element 23 is 2mm.In other embodiments, column balance element
23 can also have other diameters, and the application is not construed as limiting.
Optionally, the distance between arbitrary neighborhood column balance element is greater than 5mm, to improve radiating efficiency.
In the present embodiment, column balance element 23 can be vertically arranged on basal disc 21.
In other embodiments, column balance element 23 can be inclined on basal disc 21.Optionally, column balance element 23
Projection on basal disc 21 can be identical or opposite as the direction of motion of balance element.By the way that column balance element 23 is obliquely installed
On basal disc 21, and the direction of motion of projection and balance element of the column balance element 23 on basal disc 21 is on the contrary, can reduce basal disc
21 resistance when rotated.
In the present embodiment, a loop pillar shape balance element 23 is provided with centered on center of rotation on basal disc 21.Wherein, should
The quantity of column balance element 23 is 30 and with 50~100mm of diameter range setting in one loop pillar shape balance element 23.For example, this one
The quantity of column balance element 23 is 30 and with diameter 50mm, 65mm or 100mm setting in loop pillar shape balance element 23.
In another embodiment, multi-turn column balance element 23 is provided with centered on center of rotation on basal disc 21.For example,
Fig. 2 a is please referred to, Fig. 2 a is the structural schematic diagram of another embodiment colour wheel mould group in the application second embodiment, in the embodiment
In, column balance element 23a setting 4 is enclosed, and the quantity of column balance element 23 is 30 in every loop pillar shape balance element 23a.
Column balance element 23 can at least partly be removed from basal disc 21 according to the dynamic balancing demand of colour wheel mould group 20, i.e., in base
When disk 21 is uneven, part cylindrical balance element 23 is removed by way of cutting out column balance element 23, so that basal disc 21 balances.It answers
Understand, cutting out column balance element 23 can be the part cylindrical balance element 23 for cutting out a column balance element 23, or cut out one
A complete column balance element 23.
Optionally, balance adjustment part can also be set on column balance element 23, the balance adjustment part and column balance element 23
Cooperation, when being unsatisfactory for demand with the dynamic balancing in colour wheel mould group 20, position of the adjustment regulating part on column balance element 23,
So that the dynamic balancing meet demand of colour wheel mould group 20.For example, external screw thread has can be set in 23 outer surface of column balance element, balance is adjusted
Internal screw thread, external screw thread and screw-internal thread fit can be set in section part, by spin balancing regulating part, and then changes balance adjustment part and exists
Position on column balance element 23, to balance colour wheel.
Referring to Fig. 3, Fig. 3 is the structural schematic diagram of the application 3rd embodiment balance element.
In the present embodiment, the balance element of colour wheel mould group 30 can be sheet balance element 33.Sheet balance element 33 is also used to
The air velocity around sheet balance element 33 is improved, to further increase the radiating efficiency of colour wheel mould group 30.
In the present embodiment, basal disc 31, light conversion layer 32, driving motor 34 and reflecting layer 35 can in first embodiment
Basal disc 11, light conversion layer 12, driving motor 14 and reflecting layer 15 it is identical, details are not described herein again.
The length of sheet balance element 33 in a first direction can be constant.In another embodiment, sheet balance element 33 exists
Length on first direction can be variation, for example, the length of sheet balance element 33 in a first direction increases in a second direction
Big or reduction, the second direction are the direction that the second disk body is directed toward the first disk body.
Optionally, the length range of sheet balance element 33 in a first direction can be 10mm~20mm.For example, sheet is flat
The length of part 33 in a first direction that weighs can be 10mm, 15mm, 20mm.In the present embodiment, sheet balance element 33 is first
Length on direction is 15mm.In other embodiments, the length of sheet balance element 33 in a first direction can also be other
Length, the application are not construed as limiting.
Optionally, the length of sheet balance element 33 in a first direction is more than or equal to column balance element 23 in first party
Upward length.
Optionally, the thickness range of sheet balance element 33 can be with 1mm~2mm, for example, the thickness of sheet balance element 33 can be with
For 1mm, 1.5mm or 2mm.In the present embodiment, sheet balance element 33 with a thickness of 1.5mm.In other embodiments, sheet
The thickness of balance element 33 can also be other thickness, and the application is not construed as limiting.
Optionally, the distance between sheet balance element 33 is greater than 5mm, to increase radiating efficiency.
Sheet balance element 33 is vertically installed on basal disc 31.In other embodiments, sheet balance element 33 can be tilted and be set
It is placed on basal disc 31.
Optionally, the shape of sheet balance element 33 can be rectangle or cambered surface.It should be understood that in 33 shape of sheet balance element
When for rectangle, sheet balance element 33 is projected as straight line on basal disc 31；When the shape of sheet balance element 33 is cambered surface, sheet
Balance element 33 is projected as camber line on basal disc 31.
In the present embodiment, the shape of sheet balance element 33 be cambered surface, the cambered surface towards with 33 side of moving of sheet balance element
It protrudes in the opposite direction.
Optionally, when the shape of sheet balance element 33 is cambered surface, the one end of cambered surface far from driving motor can be with sheet
The direction of rotation of balance element 33 is tangent.Pass through one end by cambered surface far from driving motor and the direction of rotation phase of sheet balance element 33
It cuts, the air stream passband between sheet balance element 33 can be made maximum, and then reinforce the heat dissipation effect of colour wheel mould group 30.
In the present embodiment, a circle sheet balance element 33 is provided with centered on center of rotation on basal disc 31.Wherein, should
The quantity of sheet balance element 33 is 30 in one circle sheet balance element 33, and the interior diameter that basal disc 31 is arranged in is first default
Between value, the annular section that overall diameter is the second preset value.Optionally, the first values can be 50mm~70mm, the
Two values can be 80~100mm.For example, the first preset value can be 50mm, 60mm or 70mm, the second preset value
It can be 80mm, 90mm or 100mm.In the present embodiment, the first preset value is 70mm, second is preset in 100mm.
Optionally, multi-turn sheet balance element 33 is also provided with centered on center of rotation on basal disc 31.
Sheet balance element 33 can at least partly be removed from basal disc 31 according to the dynamic balancing demand of colour wheel mould group 30, i.e., in base
When disk 31 is uneven, part sheet balance element 33 is removed by way of cutting out sheet balance element 33, so that basal disc 31 balances.It answers
Understand, cutting out sheet balance element 33 can be the part sheet balance element 33 for cutting out a sheet balance element 33, or cut out one
A complete sheet balance element 33.
Referring to Fig. 4, Fig. 4 is the structural schematic diagram of the application fourth embodiment balance element.
Optionally, the balance element of colour wheel mould group 40 can be the combination of column balance element and sheet balance element.Sheet balance
Part 432 is also used to improve the air velocity around sheet balance element 432, to further increase the radiating efficiency of colour wheel mould group 30.
For example, at least two circle balance elements 43 are provided with centered on center of rotation on basal disc 41, at least two circle balance elements
At least one circle balance element is column balance element 431 in 43, and at least one circle balance element 43 is sheet balance element 432, sheet balance
Part 432 is set to the periphery of column balance element 431.
Optionally, basal disc 41, light conversion layer 42, driving motor 44 and reflecting layer 45 can be with the bases in first embodiment
Disk 11, light conversion layer 12, driving motor 14 and reflecting layer 15 are identical.Column balance element 431 can in second embodiment
Column balance element 23 is identical, and sheet balance element 432 can be identical as the sheet balance element 33 in 3rd embodiment, no longer superfluous herein
It states.
In the present embodiment, two circle balance elements are provided with centered on center of rotation on basal disc 41, the two circles balance element
In a circle balance element be column balance element 431, a circle balance element is sheet balance element 432, and sheet balance element 432 is set to column
The periphery of balance element 431.Specifically, the periphery that sheet balance element 432 is set to column balance element 431 can balance for sheet
Side of the column balance element 431 far from driving motor 44 is arranged in part 432.
In another embodiment, two circle balance elements can be set centered on center of rotation on basal disc 41, two circle
A circle balance element is column balance element 431 in balance element, and a circle balance element is sheet balance element 432, sheet balance element 432 and column
Shape balance element 431 can be spaced setting or the periphery of sheet balance element is arranged in column balance element.
In another embodiment, at least three circle balance elements can be set centered on center of rotation on basal disc 41, it should
At least three circle balance elements include an at least loop pillar shape balance element 431 and at least one circle sheet balance element 432, sheet balance element 432
Being set to the periphery of column balance element 431, perhaps periphery or the sheet of sheet balance element 432 is arranged in column balance element 431
Balance element 432 and the setting of the interval of column balance element 431, are not construed as limiting herein.In other embodiments, with rotation on basal disc 41
A circle balance element can be set centered on center.
In the present embodiment, by setting column balance element 431 and sheet balance element for the balance element of colour wheel mould group 40
432 combination column balance element 431 and/or sheet can at least partly will be balanced according to the dynamic balancing demand of colour wheel mould group 40
Part 432 is removed from basal disc 41, to meet the dynamic balancing demand of colour wheel mould group 40.
Optionally, in the present embodiment, will at least partly column balance element 431 and/or sheet balance element 432 from basal disc 41
Part cylindrical balance element 431 can be removed, preferentially removes part sheet balance element 432 or remove part simultaneously to be preferential by removing
Column balance element 431 and part sheet balance element 432.
Referring to Fig. 5, Fig. 5 is the structural schematic diagram of the application projection arrangement.
50 colour wheel mould group 51 of projection arrangement, the colour wheel mould group 51 can be the colour wheel mould group 51 in any of the above-described embodiment.
It being in contrast to the prior art, the application colour wheel mould group includes: basal disc, light conversion layer and multiple balance elements,
Light conversion layer is covered on a side surface of basal disc；Multiple balance elements are set to another side surface of the separate light conversion layer of basal disc
It is upper and be arranged around the center of rotation interval of basal disc, wherein balance element can be according to the dynamic balancing demand of colour wheel mould group at least partly
It is removed from basal disc, multiple balance elements are also used to increase the heat dissipation area of colour wheel mould group, to improve the radiating efficiency of colour wheel mould group.By
It can at least partly be removed from basal disc according to the dynamic balancing demand of colour wheel mould group in balance element, therefore can be in the dynamic of colour wheel mould group
When balance is unsatisfactory for demand, by removal partial equilibrium part, make the dynamic balancing meet demand of colour wheel mould group, further, due to
Multiple balance elements are set on basal disc, are made basal disc and balance element that can radiate to colour wheel mould group, are increased colour wheel mould group
Heat dissipation area, improve the radiating efficiency of colour wheel mould group.
The foregoing is merely presently filed embodiments, are not intended to limit the scope of the patents of the application, all to utilize this
Equivalent structure or equivalent flow shift made by application specification and accompanying drawing content, it is relevant to be applied directly or indirectly in other
Technical field similarly includes in the scope of patent protection of the application.
Claims (10)
1. a kind of colour wheel mould group, which is characterized in that the colour wheel mould group includes:
Basal disc；
Light conversion layer, the light conversion layer are covered on a side surface of the basal disc；
Multiple balance elements, the multiple balance element be set to the basal disc far from the light conversion layer another side surface on and
It is arranged around the center of rotation interval of the basal disc, wherein the balance element can be according to the dynamic balancing demand of the colour wheel mould group
It is at least partly removed from the basal disc, the multiple balance element is also used to increase the heat dissipation area of the colour wheel mould group.
2. colour wheel mould group according to claim 1, which is characterized in that the colour wheel mould group further comprises reflecting layer, institute
Reflecting layer is stated to be set between the light conversion layer and the basal disc.
3. colour wheel mould group according to claim 1, which is characterized in that the colour wheel mould group further includes driving motor, described
Driving motor is for driving the basal disc to rotate；The basal disc includes positioned at the first disk body of the center of rotation, around described
Second disk body of the first disk body setting, first disk body is for being arranged the driving motor, and second disk body is for being arranged
The balance element.
4. colour wheel mould group according to claim 1, which is characterized in that the balance element and the basal disc are integrally formed, institute
The material for stating balance element is metal, and the Brinell hardness range of the metal material is HB25~200.
5. colour wheel mould group according to claim 1, which is characterized in that equally circumferential array is set the multiple balance element
It sets on second disk body.
6. colour wheel mould group according to claim 1, which is characterized in that the balance element includes that column balance element and sheet are flat
At least one of weighing apparatus part or combination, wherein the sheet balance element is also used to improve the air around the sheet balance element
Flow velocity, to further increase the radiating efficiency of the colour wheel mould group.
7. colour wheel mould group according to claim 6, which is characterized in that on the basal disc centered on the center of rotation
At least two circle balance elements are provided with, at least one circle balance element is the column at least two circle balance element
Balance element, and at least one circle balance element is the sheet balance element, the sheet balance element is set to the column balance
The periphery of part.
8. colour wheel mould group according to claim 6 or 7, which is characterized in that the column balance element is along first direction
Length range is 5mm~15mm, and the diameter range of the column balance element is 1mm~3mm, any adjacent column balance element
The distance between be greater than 5mm, wherein the first direction is the direction that the basal disc is directed toward from the light conversion layer.
9. colour wheel mould group according to claim 8, which is characterized in that length of the sheet balance element on first direction
Range is 10mm~20mm, and length of the sheet balance element on first direction is more than or equal to column balance element edge
Length on first direction, the thickness range of the sheet balance element are 1mm~2mm, any adjacent sheet balance element it
Between distance be greater than 5mm.
10. a kind of projection arrangement, which is characterized in that the projection arrangement includes colour wheel of any of claims 1-9
Mould group.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810046677.7A CN110045572A (en) | 2018-01-17 | 2018-01-17 | Colour wheel mould group and projection arrangement |
| PCT/CN2018/080884 WO2019140781A1 (en) | 2018-01-17 | 2018-03-28 | Color wheel module and projection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810046677.7A CN110045572A (en) | 2018-01-17 | 2018-01-17 | Colour wheel mould group and projection arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110045572A true CN110045572A (en) | 2019-07-23 |
Family
ID=67273120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810046677.7A Pending CN110045572A (en) | 2018-01-17 | 2018-01-17 | Colour wheel mould group and projection arrangement |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110045572A (en) |
| WO (1) | WO2019140781A1 (en) |
Cited By (1)
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|---|---|---|---|---|
| CN114967302A (en) * | 2021-02-22 | 2022-08-30 | 中强光电股份有限公司 | Wavelength conversion module and projector |
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Also Published As
| Publication number | Publication date |
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| WO2019140781A1 (en) | 2019-07-25 |
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Application publication date: 20190723 |