Colour wheel and assemble method thereof
Technical field
The present invention is the structure and the number of assembling steps thereof of relevant colour wheel; Especially finger utilizes double faced adhesive tape that optical filter and becket are fixed together earlier, and it is solid to allow mucigel on the double faced adhesive tape do again, optical filter is able to and permanent cemented colour wheel and the assemble method thereof of becket.
Background technology
Suggestion is selected in picking out of the structuring concept of relevant colour wheel, design conditions and material, and the reader can be voluntarily with reference to United States Patent (USP) the 5th, 868, and No. 482 and the 6th, 024, No. 453 patent specification content does not repeat them here.
In recent years, (Digital Light Processing, technology DLP) is applied in digital projector, and the trend that replaces traditional liquid crystal projector is quite arranged in the digital light processing.In rotation at a high speed, the not good colour wheel of balance can produce irritating vibrating noise always, and not only directly but also will seriously destroy the producer's brand image, its quality very denys, and the evaluation of whole projector is had great influence.How in the assembling process of colour wheel, obtain comparatively ideal rotary balance, the competitiveness that concerns and goodwill are not allowed at all indiscreet and negligent.
The optical filter of colour wheel utilizes glue to be affixed on becket, equally also with glue becket is amplexiformed rotating disk in motor.Because glue has certain fluidity and vicidity, during injecting glue if the thickness inequality, during rotation with imbalance; In addition, the glue of injection allocation overflows to optical filter sometimes, and polluting becomes faulty materials.For solving this kind sol pollution problems, the U.S. the 6th, 705, the countermeasure that No. 733 patents are taked is to stay a ring gap to catch when pasting just in case the glue that overflows for mending at the becket edge of colour wheel; And the countermeasure that the 6th, 618, No. 214 patents of the U.S. are taked then is to form several groove in case glue is excessive to optical filter on the commissure of becket.
Above patent perhaps can reduce the opportunities for contamination of the glue that overflows, but for the glue thickness ununiformity problem of destruction of balance and fail to solve, the U.S. the 6th, 598, No. 977 patents propose to offer hole on the commissure of becket, can utilize these holes to extract the too much glue of injection allocation, make to reach do not overflow glue and all thick technical purpose of maintenance glue-line from the behind of gluing face.
The colour wheel of above-mentioned patent all is to utilize glue to paste optical filter all, and attempts to utilize the change of various becket surface design to overcome the problem of its excessive glue and became uneven, like non-basic solution.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of colour wheel and assemble method thereof, to solve the inhomogeneous of above-mentioned mucigel and to prevent the technical matters of excessive glue pollution optical filter, allows colour wheel reach predetermined rotary balance state easily.
For this reason, the present invention proposes a kind of colour wheel assemble method, an optical filter gluing on a becket, is comprised the following steps:
(a1). prepare a double faced adhesive tape, respectively there is a mucigel on its two sides;
(b1). paste this double faced adhesive tape on this optical filter, with the wherein one side of optical filter gluing at this becket; And
(c1). drying, and allow the mucigel on this optical filter and this becket do the solid permanent bonding effect that produces.
Preferable, still be included in the glutinous double faced adhesive tape in surface of this optical filter, use make this colour wheel must with the step of a motor gluing.
Preferable, still be included in the glutinous double faced adhesive tape in surface of this becket, use make this colour wheel must with the step of a motor gluing.
Preferable, this drying steps is meant and will places a dry place together behind this optical filter, this becket and this double faced adhesive tape gluing.
The invention allows for a kind of colour wheel assemble method, an optical filter gluing on a becket, is comprised the following steps:
(a1). prepare a double faced adhesive tape, respectively there is a mucigel on its two sides;
(b1). paste this double faced adhesive tape on this optical filter, with the wherein one side of optical filter gluing at this becket; And
(c1). heating produces permanent bonding effect and allow mucigel on this optical filter and this becket do to consolidate.
Preferable, still be included in the glutinous double faced adhesive tape in surface of this optical filter, use make this colour wheel must with the step of a motor gluing.
Preferable, still be included in the glutinous double faced adhesive tape in surface of this becket, use make this colour wheel must with the step of a motor gluing.
Preferable, this heating steps is meant a time-out behind this optical filter, this becket and this double faced adhesive tape gluing, and it is toasted, and this double faced adhesive tape is done admittedly this becket and this double faced adhesive tape is forever binded.
The present invention has further proposed a kind of colour wheel, comprising: an optical filter; One becket; And a double faced adhesive tape, between this optical filter and this becket, the surface has mucigel to make both combinations.
Preferable, at the still glutinous double faced adhesive tape in the surface of this optical filter, use make this colour wheel must with a motor gluing.
Preferable, still be included in the glutinous double faced adhesive tape in surface of this becket, use make this colour wheel must with a motor gluing.
Step of the present invention comprises (a). preparation one is equivalent to the double faced adhesive tape of the face that sticks together of colour wheel becket; (b). utilize this double faced adhesive tape that optical filter is fixed on the becket; (c). make the mucigel sclerosis of this double faced adhesive tape.Reach the purpose of forever sticking together for the mucigel that makes double faced adhesive tape quickens sclerosis, can adopt the heating of drying equipment or baking oven when implementing this method to quicken gummed.The present invention has replaced traditional injecting glue with double faced adhesive tape sticks together, and can use the scope and the thickness of control mucigel.So assemble colour wheel, not only do not have the problem of traditional injecting glue became uneven but also the glue that can not overflow, can reduce balance and mend heavy number of times, improve the quality and reduction time cost of colour wheel.
Description of drawings
Fig. 1 is the colour wheel decomposing schematic representation of assembling according to the inventive method.
Fig. 2 is the block diagram according to the inventive method first embodiment.
Fig. 3 is the block diagram according to the inventive method second embodiment.
Fig. 4 is the colour wheel of assembling according to the inventive method, makes its becket stick together embodiment at the optical filter back side.
Fig. 5 is the colour wheel of assembling according to the inventive method, makes its becket stick together embodiment in the optical filter front.
The drawing reference numeral explanation:
10 colour wheels, 11 optical filters
12 beckets, 13 double faced adhesive tapes
14 motors, 15 double faced adhesive tapes
20 colour wheels
The implementation step of a1, b1, b1 first embodiment
The implementation step of a2, b2, b2 first embodiment
Embodiment
As shown in Figure 1, the colour wheel 10 produced of the method according to this invention comprises the combination of one group of optical filter 11, a becket 12 and a double faced adhesive tape 13.The mucigel on double faced adhesive tape 13 two sides will forever bind optical filter 11 and make with becket 12 and become a colour wheel 10 in case do admittedly.
As shown in Figure 2, assemble the method for colour wheel according to the present invention, its first embodiment combination step can comprise:
(a1). preparation one is equivalent to the double faced adhesive tape 13 of the face that sticks together of becket 12, and its profile can be circle.Double faced adhesive tape 13 can be the double faced adhesive tape of epoxy resin; The preferably can make 0.05 to 0.10 millimeter (mm) of its thickness Jie.And when the face that sticks together of becket 12 had outstanding position, double faced adhesive tape 13 should be established the hole of corresponding its shape to avoid this position.
(b1). paste double faced adhesive tape 13 on optical filter 11, make optical filter 11 get the wherein one side of gluing at becket 12; And
(c1). air dry, allow optical filter 11 and becket 12 after engaging leave the place of a drying in, the mucigel of double faced adhesive tape 13 is done consolidated, produce permanent bonding effect.So-called dry place can utilize known infrared dryer to quicken dry place or transport channel, or utilize general dehumidification equipment to keep its dry degree.
As shown in Figure 3, assemble the method for colour wheel according to the present invention, the application of its second embodiment still can comprise the following steps:
(a2). preparation one is equivalent to the double faced adhesive tape 13 of the face that sticks together of becket 12, and profile can be circle usually.This double faced adhesive tape 13 can be the double faced adhesive tape of epoxy resin, and the preferably can make 0.05 to 0.10 millimeter (mm) of its thickness Jie.When the face that sticks together of becket 12 had outstanding position, double faced adhesive tape 13 should be established the hole of corresponding its shape to avoid this outstanding position.
(b2). paste double faced adhesive tape 13 on optical filter 11, make optical filter 11 must use the wherein one side of gluing at becket 12; And
(c2). heating, make the mucigel of double faced adhesive tape 13 be added rapid-curing cutback admittedly, produce permanent bonding effect.For example, temperature can be set in 100 ℃ and implement baking 1 to 1.5 hour, optical filter 11 will be able to permanent gluing together with becket 12.
As shown in Figure 4, the colour wheel 10 that above-mentioned two embodiment are assembled, its becket 12 can utilize double faced adhesive tape 13,15 to stick between optical filter 11 and the motor 14; Utilize double faced adhesive tape 13 that optical filter 11 is attached to becket 12 during enforcement earlier, utilize above-mentioned air dry or heating steps that its mucigel is done then and produce nonvolatil joint admittedly.Paste double faced adhesive tape 15 at the another side of becket 12.Then, measure the deflection and the deviator of its rotation, utilize double faced adhesive tape 15 to make it to rotate quite motor 14 gluings of (but deflection is opposite) of deviator with one.It is forever affixed to utilize air dry or heating steps that the mucigel drying of double faced adhesive tape 15 is made at last.
As shown in Figure 5, the colour wheel 20 that utilizes above-mentioned two embodiment to be assembled, its becket 22 can utilize double faced adhesive tape 23 to be attached to the front of optical filter 21, utilize air dry, removal moisture drying or heating steps to make the mucigel on the double faced adhesive tape 23 do solid, then double faced adhesive tape 15 is attached to the another side of optical filter 21, measure the deflection and the deviator of its rotation, make motor 14 gluings with a rotation deviator suitable (but deflection is opposite).At last, utilize air dry, removal moisture drying or heating steps to make mucigel drying on the double faced adhesive tape 15 equally again, assumed appearance wheel 20 is able to permanent engagement with motor 14.
The inventive method can be avoided the formed glue-line became uneven of employing point glue of prior art and the problem of excessive glue pollution optical filter, and can utilize the gluing time of the step shortening colour wheel of dehumidifying, heating or baking again.More than explanation only is that the scope of the invention should not exceeded with these embodiment in order to convenient explanation preferred embodiment of the present invention.As previously mentioned, for the production dealer of digital projector, littler technological breakthrough all will concern its competition and goodwill are not definitely allowed a bit indiscreet and negligent.This case is different from the number of assembling steps of any known colour wheel, and obviously is a great progress.All application above-mentioned steps assemblers of institute all belong to claim of the present invention.