CN2646743Y - color wheel and cover plate used thereof - Google Patents
color wheel and cover plate used thereof Download PDFInfo
- Publication number
- CN2646743Y CN2646743Y CN 03208484 CN03208484U CN2646743Y CN 2646743 Y CN2646743 Y CN 2646743Y CN 03208484 CN03208484 CN 03208484 CN 03208484 U CN03208484 U CN 03208484U CN 2646743 Y CN2646743 Y CN 2646743Y
- Authority
- CN
- China
- Prior art keywords
- cover plate
- colour wheel
- motor
- colored filter
- positioning part
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a color wheel adopting cover plate. Wherein, the cover plate comprises a cover plate body; the circumference of the cover plate body presents an angle and is provided with an emendating body putting part. Furthermore, the utility model also provides a color wheel and the cover plate is utilized in the color wheel.
Description
Technical field
The utility model is the cover plate about a kind of colour wheel and usefulness thereof, is meant a kind of colour wheel of optical projection system and cover plate of usefulness thereof of being applied to especially.
Background technology
Because under the multiple demand of big display area, miniaturization and lightweight system, image projecting system becomes one of subitem the most popular in the present opto-electronics.
Popular now optical projection system is divided into and is the three major types type, be respectively liquid crystal projection display (Liquid Crystal Display Projector, LCD), monocrystalline silicon LCD (LiquidCrystal on Silicon, LCoS) and the digital light processor (Digital Light Processing, DLP).Wherein, monocrystalline silicon LCD and digital light processor have the advantage that system oversimplifies, and will be the example explanation with the digital light processor below.
The digital light processor becomes now one of optical projection system of generation newly owing to have high brightness, correct color reproducibility, reaction time, noiseless and advantage such as light, thin, short, little fast.
The digital light processor adopting is digital control, utilizes the reflected light principle to carry out start simultaneously.With light-source collecting and via after the lens focus, pass the colored filter of redgreenblue optical filter, be projected to the digital micro-mirror chip (Digital Micro-mirror Device, DMD) on.In this technology, replace in traditional liquid crystal projector by the digital micro-mirror chip, be responsible for presenting the liquid crystal face version of image.Owing to have many small movable lens on the digital micro-mirror chip, control movable lens angle of inclination and deflection period with drive electrode, the reflection direction that relends by switches light throws imaging by camera lens.
From the above, be provided with one in the digital light processor in order to colorific colour wheel 7, colour wheel 7 main systems comprise a motor 71, a colored filter 72 and a cover plate 73.At this, motor 71 mainly is made up of axle center lid 711 and one motor body 712.Wherein, shown in Figure 1A, cover plate 73 is incorporated on the colored filter 72, so that colored filter 72 is between cover plate 73 and motor 71.In addition, shown in Figure 1B, cover plate 73 is between motor 71 and colored filter 72.
Because general colour wheel all is higher than 7200 commentaries on classics with the rotating speed of motor, when center of rotation departs from rotating shaft core, that is when center of rotation is not on rotating shaft core, cause the vibrations of colour wheel and the generation of noise easily, also can influence the fiduciary level in the running.
The utility model content
In order to overcome weak point of the prior art, the purpose of this utility model provides a kind of the have colour wheel of correction center of rotation function and the cover plate of usefulness thereof.
For reaching above-mentioned purpose, the utility model system provides a kind of colour wheel cover plate, and wherein, cover plate has a cover plate body, and the periphery of cover plate body is an angle and has extended a correction body positioning part.
In addition, the utility model also provides a kind of colour wheel, comprises a motor, a colored filter and a cover plate, and cover plate and colored filter are fixed on the motor, and wherein, the periphery of a cover plate body of cover plate is an angle and has extended a correction body positioning part.
From the above, the utility model provides the cover plate of a kind of colour wheel and usefulness thereof, has one on the cover plate and proofreaies and correct the body positioning part, can put the center of rotation that a weight is proofreaied and correct colour wheel.Compared with prior art, weight can be bonding on to be proofreaied and correct in the body positioning part, can locate easily when proofreading and correct the colour wheel center of rotation.In addition, weight is placed in the cover plate, can avoid also can reducing the influence of centrifugal force for counterweight because of evagination is dropped or is shifted by collision in cover plate.Moreover, by the center of rotation of proofreading and correct colour wheel, can solve the problem of colour wheel vibrations and the generation that reduces noise, more increase the fiduciary level of colour wheel running.
Description of drawings
Figure 1A and Figure 1B are one group of schematic side view of existing colour wheel;
Fig. 2 is a synoptic diagram of the cover plate of the utility model first embodiment;
Fig. 3 is another synoptic diagram of the cover plate of the utility model first embodiment;
Fig. 4 is a synoptic diagram of the concrete enforcement of Fig. 2;
Fig. 5 is a synoptic diagram of the concrete enforcement of Fig. 3; And
Fig. 6 and Fig. 7 are for being one group of synoptic diagram of the colour wheel of the utility model second embodiment.
Embodiment
Hereinafter with reference to accompanying drawing, illustrate according to the colour wheel of the utility model embodiment and the cover plate of usefulness thereof.
As shown in Figure 2, first embodiment of the present utility model provides a kind of colour wheel with cover plate 1, and wherein cover plate 1 has a cover plate body 11, and the periphery of cover plate body 11 is an angle and has extended one and proofread and correct body positioning part 12.In present embodiment, proofread and correct body positioning part 12 and extend with rough 90 angles of spending.
In present embodiment, cover plate body 11 is formed in one with proofreading and correct body positioning part 12, as shown in Figure 2.Certainly, cover plate body 11 with proofread and correct body positioning part 12 can also be bonded with each other (not being shown among the figure).
In addition, the colour wheel of present embodiment also comprises a shielding portion 13 with cover plate 1, and itself and cover plate body 11 are parallel to each other, and shielding portion 13 its be an angle and extend by proofreading and correct body positioning part 12.As shown in Figure 3, the shielding portion 13 of present embodiment extends with the angle of rough 90 degree.In this, cover plate body 11, correction body positioning part 12 are one-body molded with shielding portion 13.Certainly, proofreading and correct body positioning part 12 also can be bonded with each other with shielding portion 13.In present embodiment, shielding portion 13 is circular.
Then, in present embodiment, colour wheel 4 comprises a motor 2, a colored filter 3 and cover plate 1, and cover plate 1 is fixed on the motor 2 with colored filter 3.Wherein, cover plate 1 is between colored filter 3 and motor 2, as shown in Figure 4.Certainly, colored filter 3 can also be between cover plate 1 and motor 2, as shown in Figure 5.
In present embodiment, as Fig. 4 and shown in Figure 5, motor 2 is made up of axle center lid 21 and one motor body 22, and axle center lid 21 is arranged at a side of an axis direction of motor body 22.At this, motor body 22 mainly is made up of a housing, a magnet circle (not being shown in figure), a siliconized plate (not being shown in figure) and a coil (not being shown in figure).When coil electricity, siliconized plate produces magnetic force and magnetic field, and allows magnetic field that orderly variation takes place by positive and negative and the intensity of electrical current, also is a rotating magnetic field, makes magnet circle and rotating magnetic field effect and then formation rotation.
In addition, the colored filter in the present embodiment 3 is fixed on the axle center lid 21 of motor 2.Wherein, colored filter 3 can utilize the bonding mode to be arranged on the axle center lid 21.At this, colored filter 3 can be the circular filter with a redness, green and blue three looks fan-shaped glass plate.In addition, colored filter 3 also can be a formed circular filter of a plurality of blocks with red, green, blue three looks, or also can be one and add the formed circular filter of a plurality of blocks of white transparent block with red, green, blue three looks.Certainly, colored filter 3 can also be a ring-like optical filter, as Fig. 4 and shown in Figure 5.In present embodiment, the pattern of colored filter 3 and color combination can be required and adjust according to reality.
In addition, the cover plate in the present embodiment 1 is fixed on axle center lid 21 and the colored filter 3 in the bonding mode.Because when colored filter 3 directly is bonding on the axle center when covering 21, colored filter 3 is minimum with the contact area of axle center lid 21, causes the location to be difficult for, so by adding upper cover plate 1 and then increasing colored filter 3 and bonding area between 21 is covered in the axle center.
From the above, after colour wheel 4 was rotating a period of time, center of rotation may depart from the rotating shaft core (not being shown in figure) because use for a long time down.When center of rotation is not positioned at rotating shaft core, when rotating, cause vibrations easily and produce noise, also can influence the fiduciary level of running simultaneously.
As shown in Figure 4, Fig. 4 is a synoptic diagram of the concrete enforcement of Fig. 2.In present embodiment, it utilizes a weight 5 to carry out the correction of center of rotation.Wherein, weight 5 is any object with weight, for example glue (glue), counterweight or any block or the like.The method of proofreading and correct is weight 5 to be bonding on proofread and correct on body positioning part 12 and the cover plate body 11, and according to the degree of center of rotation displacement, locatees with machine and adjusts weight 5 in the position of proofreading and correct on the body positioning part 12.Certainly, counterweight 2 can also be fixed in the cover plate 1 by alternate manner.
Please refer to Fig. 5 again, Fig. 5 is a synoptic diagram of the concrete enforcement of Fig. 3.In Fig. 5, shielding portion 13 can prevent that more weight 5 from coming off towards the A direction.
In addition, as Fig. 6 and shown in Figure 7, the utility model second embodiment provides a kind of colour wheel 6, comprise a motor 61, a colored filter 62 and a cover plate 63, cover plate 63 is fixed on the motor 61 with colored filter 62, wherein, the periphery of a cover plate body 631 of cover plate 63 is an angle and has extended one and proofread and correct body positioning part 632.
In present embodiment, motor 61 comprises axle center lid 611 and one motor body 612.
In addition, the colour wheel 6 of present embodiment also comprises a shielding portion 633, and itself and cover plate body 611 are parallel to each other, and it is an angle and extends by proofreading and correct body positioning part 632.
Assembly in the present embodiment assembly that is basically the same as those in the first embodiment, its feature and function are all identical, do not repeat them here.
In addition, the colour wheel 6 of present embodiment also comprises a spacer 64, and motor body 612 is fixed on the spacer 64.Spacer 64 is connected with a driver (not being shown in figure) with an electric wire (not being shown in figure), and this driver is in order to CD-ROM drive motor body 612, and a bit (rotating shaft core) of establishing with spacer 64 and 612 of motor bodies is that rotate at the center.
The utility model provides the cover plate of a kind of colour wheel and usefulness thereof, has one on the cover plate and proofreaies and correct the body positioning part, can put the center of rotation that a weight is proofreaied and correct colour wheel.Compared with prior art, weight can be bonding on to be proofreaied and correct in the body positioning part, can locate easily when proofreading and correct the colour wheel center of rotation.In addition, weight is placed in the cover plate, can avoid also can reducing the influence of centrifugal force for counterweight because of evagination is dropped or is shifted by collision in cover plate.Moreover, by the center of rotation of proofreading and correct colour wheel, can solve the problem of colour wheel vibrations and the generation that reduces noise, more increase the fiduciary level of colour wheel running.
Above-mentioned only is illustrative, but not is restricted person.Anyly do not break away from spirit of the present utility model and category, and, all should be contained in the claim scope of the present utility model its equivalent modifications of carrying out or change.
Claims (14)
1. colour wheel cover plate, wherein, this cover plate has a cover plate body, it is characterized in that:
The periphery of this cover plate body is an angle and has extended a correction body positioning part.
2. colour wheel cover plate according to claim 1 is characterized in that also comprising
One shielding portion, itself and this cover plate body is parallel to each other, and this shielding portion is an angle by this correction body positioning part and extends.
3. colour wheel cover plate according to claim 1 is characterized in that this cover plate body and this correction body positioning part are formed in one.
4. colour wheel cover plate according to claim 2 is characterized in that this cover plate body, this correction body positioning part and this shielding portion are formed in one.
5. colour wheel cover plate according to claim 1 is characterized in that this colour wheel comprises a motor, a colored filter and this cover plate, and this cover plate and this colored filter are fixed on this motor.
6. colour wheel cover plate according to claim 5 is characterized in that this colored filter is between this cover plate and this motor.
7. colour wheel cover plate according to claim 5 is characterized in that this cover plate is between this colored filter and this motor.
8. a colour wheel comprises a motor, a colored filter and a cover plate, and this cover plate and this colored filter are fixed on this motor, it is characterized in that:
The periphery of one cover plate body of this cover plate is an angle and has extended a correction body positioning part.
9. colour wheel according to claim 8 is characterized in that this cover plate also comprises a shielding portion, and itself and this cover plate body is parallel to each other, and this shielding portion is an angle by this correction body positioning part and extends.
10. colour wheel according to claim 8 is characterized in that this cover plate body and this correction body positioning part are formed in one.
11. colour wheel according to claim 9 is characterized in that this cover plate body, this correction body positioning part and this shielding portion are formed in one.
12. colour wheel according to claim 8 is characterized in that this colored filter is between this cover plate and this motor.
13. colour wheel according to claim 8 is characterized in that this cover plate is between this colored filter and this motor.
14. colour wheel according to claim 8 is characterized in that also comprising
One spacer, this motor drive shaft is located on this spacer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03208484 CN2646743Y (en) | 2003-08-27 | 2003-08-27 | color wheel and cover plate used thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03208484 CN2646743Y (en) | 2003-08-27 | 2003-08-27 | color wheel and cover plate used thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2646743Y true CN2646743Y (en) | 2004-10-06 |
Family
ID=34288670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03208484 Expired - Fee Related CN2646743Y (en) | 2003-08-27 | 2003-08-27 | color wheel and cover plate used thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2646743Y (en) |
-
2003
- 2003-08-27 CN CN 03208484 patent/CN2646743Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20041006 |