CN1940708A - Projector engine - Google Patents
Projector engine Download PDFInfo
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- CN1940708A CN1940708A CN 200510047318 CN200510047318A CN1940708A CN 1940708 A CN1940708 A CN 1940708A CN 200510047318 CN200510047318 CN 200510047318 CN 200510047318 A CN200510047318 A CN 200510047318A CN 1940708 A CN1940708 A CN 1940708A
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Abstract
A projection engine consists of engine box, light source set on engine box, color wheel for separating light shot out by light source to be R and G as well as B colors, hexagonal body formed by connecting light tunnel to four reflection plates and support table set formed separately at two ends of at least two reflection plates.
Description
Technical field
The present invention relates to a kind of projector, specifically about projector engine.
Background technology
The display device of in the recent period big picture, high image quality is as one of most important distribution [issue], now till, the representative of using as the display device developer of the big picture of this kind, high image quality has projection TV and projector.
At this, above-mentioned projection instrument has liquid crystal (LCD:liquid Crystal Display) projector and digital light to handle (Digital Light Processing) projector.
Above-mentioned digital light processing projector is different with liquid crystal projector, is to rely on DMD (DigitalMicromirror Device) projection information to carry out the projector of display mode.
Below, referring to figs. 1 through Fig. 3, traditional projector engine is described.
As shown in Figure 1, the tradition projector engine is provided with a plurality of opticses at engine box 10 and forms, comprise the light source 20 that is arranged at above-mentioned engine box 10 1 sides, be arranged at above-mentioned engine box 10 inboards, the colour wheel (color wheel) 30, the guiding that the light of above-mentioned light emitted are separated into R, G, B constitute by the first smooth tunnel (light tunnel) 40 of the light of above-mentioned colour wheel 30.Meanwhile, comprise in addition for the light of the first smooth tunnel (light tunnel) 40 guiding to the catoptron 60 of the plural number of DMD (Digital Micromirror Device) 50 chips reflection, will rely on catoptron 60 reflections, the image that presents by above-mentioned DMD50 chip is to projecting mirror 70 formations of outside projection.
As shown in Figures 2 and 3, the above-mentioned first smooth tunnel 40 becomes dimetric tunnel construction with the section of four first reflecting plates (41,42,43,44) of outside coating film treatment.
At this moment, above-mentioned each first reflecting plate, 41,42,43,44 usefulness cementing agent 45 bond with the reflecting plate 41,42,43,44 of adjacency, keep the hexahedron form.
And as above Nian Jie the first smooth tunnel 40 is when above-mentioned engine box 10 is provided with, show the elastomeric element 80 of " " word bending greatly and keep elasticity, promptly possess and wall 11 is set at above-mentioned engine box 10, the above-mentioned first smooth tunnel 40 is adjacent to setting with bond state at above-mentioned first left plate 41 that wall 11 is set, and a side of above-mentioned elastomeric element 80 is articulated in the above-mentioned wall 11 that is provided with, opposite side combines with above-mentioned engine box 10 screws, and be arranged to first upper board 42 of the resiliency supported above-mentioned first smooth tunnel 40 and the state of first right plate 43, the above-mentioned elastomeric element 80 of first upper board 42 of the resiliency supported above-mentioned first smooth tunnel 40 and first right plate 43 cuts formation first at first upper board 42 of the above-mentioned first smooth tunnel 40 and the corresponding position of first right plate 43 at this moment, two flexure strip 80a, 80b.
Finally, first upper board 42 and first right plate 43 of above-mentioned elastomeric element 80 by first and second flexure strip 80a, the 80b resiliency supported above-mentioned first smooth tunnel 40 is provided with wall 11 and bottom surface at above-mentioned engine box 10.
But there are the following problems for above-mentioned traditional projector engine.
Because the above-mentioned first smooth tunnel 40 is to keep the hexahedron form by the cementing agent 45 that is bonded in each first reflecting plate, 41,42,43,44 connecting portion, and the structure of dependence elastomeric element anchorage force fixed position, exist and reduce by first smooth tunnel 40 reliability problems, the i.e. thermal caking agent 45 that produces along with engine internal is softened, take place this moment as impacts such as external force, or the second flexure strip 80b that supports first right plate 43 of the above-mentioned first smooth tunnel 40 does the time spent being higher than elastic force setting value (for example 0.1kgf), along with moving about of first right plate 43, the hexahedron form can be twisted.
Therefore,, reverse, exist finally to cause the bad problem of reproducing by dmd chip 50 of picture by the reflection of light angle of the first smooth tunnel 40 along with the change of the above-mentioned first smooth tunnel 40 hexahedron forms.
Summary of the invention
The present invention provides the light tunnel with mechanism stable structure in order to solve as above problem, to its objective is, can improve product reliability, can also show the projector engine of stable portrait.
In order to achieve the above object, the present invention is comprising engine box, be arranged on the light source of above-mentioned engine box, be arranged on above-mentioned engine box, the light of above-mentioned light source irradiation is separated into R, G, the colour wheel of B (colorwheel), be arranged in the projector engine that above-mentioned engine box, guiding constitute through the light tunnel (light tunnel) of the light of above-mentioned colour wheel, provide above-mentioned smooth tunnel to connect four reflecting plates and formed the hexahedron shape, and, at least form a platform group respectively in the end, two ends of two reflecting plates, the two ends of residual reflection plate are connected above-mentioned platform group.
According to example of the present invention, comprising engine box, be arranged on the light source of above-mentioned engine box, be arranged on above-mentioned engine box, the light of above-mentioned light source irradiation is separated into R, G, the colour wheel of B (colorwheel), be arranged in the projector engine that above-mentioned engine box, guiding constitute through the light tunnel (light tunnel) of the light of above-mentioned colour wheel, provide above-mentioned smooth tunnel to connect four reflecting plates and formed the hexahedron shape, its underpart plate is fixed on above-mentioned engine box bottom surface for bonded dose.
The effect of projector engine of the present invention is described as follows:
1. the present invention can structurally fixedly secure the light tunnel, has the advantage that improves the product reliability;
2. because the present invention can fixedly secure the light tunnel, the light that light source is spread out of passes through with correct reflection angle, and it is bad by the picture that dmd chip reproduces to have a prevention.
Description of drawings
Fig. 1 is the sketch map of traditional projector engine;
Fig. 2 is the cross section sketch map of Fig. 1 I-I line;
Fig. 3 is the sketch map of Fig. 1 light tunnel;
Fig. 4 is the major part sectional view of schematic diagram the present invention the 1st embodiment;
Fig. 5 is the sketch map of Fig. 4 light tunnel;
Fig. 6 is the major part sectional view of the 2nd embodiment of schematic diagram projector engine of the present invention;
Fig. 7 is the sketch map of Fig. 6 light tunnel;
Fig. 8 is the major part sectional view of the 3rd embodiment of schematic diagram projector engine of the present invention;
Fig. 9 is the major part sectional view of the 4th embodiment of schematic diagram projector engine of the present invention.
Embodiment
With reference to accompanying drawing, specific implementation above-mentioned purpose embodiments of the invention are described.
For convenience of explanation, the element identical with tradition given same names and same-sign, and omits its detailed description.
Embodiment 1
At first, with reference to the 1st embodiment of Fig. 4 and the following explanation of Fig. 5 projector engine of the present invention.
As shown in Figure 4 and Figure 5, be connected to form the hexahedron shape according to the light tunnel 140 of the 1st embodiment by four reflecting plates 141,142,143,144 of outside coating film treatment.
At this, above-mentioned smooth tunnel 140 forms first platform group 141a, 141b, 142a, the 142b of " L " word shape at the two ends up and down of left and right side plate 141,142 medial end, with above-mentioned first platform group 141a, 141b, 142a, 142b be that length direction at corresponding left and right side plate 141,142 forms.
And the two ends, the left and right sides in the installing of above-mentioned first platform group 141a, 141b, 142a, 142b, lower panel 143,144 make it possess hexahedron structure of section quadrangle attitude.
At this moment, paste cementing agent at above-mentioned first platform group 141a, 141b, 142a, 142b, the above-mentioned upper and lower part of strong bonded plate 143,144.
As a reference, be in contact with one another though between first platform group 141a, 141b, 142a, 142b, keep at a certain distance away among Fig. 4, the phase mutual edge distance of upper and lower part plate 143,144 and left and right side plate 141,142 also has at interval slightly, it only for the ease of giving symbol is, actually is adjacent to fully.
In addition, above-mentioned smooth tunnel 140 is adjacent to left plate 141 and is provided with at the wall 11 that is provided with that engine box 10 forms, and above-mentioned smooth tunnel 140 is by probably with elastomeric element 80 resiliency supported of " " word bending, one side of above-mentioned elastomeric element 80 is articulated in the above-mentioned wall 11 that is provided with, opposite side combines with above-mentioned engine box 10 screws, and is arranged to the upper board 143 of the above-mentioned smooth tunnel 140 of resiliency supported and the state of right plate 142.At this moment, the above-mentioned elastomeric element 80 of the upper board 143 of the above-mentioned smooth tunnel 140 of resiliency supported and right plate 142 cuts first and second flexure strip of formation 80a, 80b at the upper board 143 of above-mentioned smooth tunnel 140 and the corresponding position of right plate 142.
With reference to Fig. 4 and Fig. 5, as follows about the Action Specification of above-mentioned illustrated the present invention the 1st embodiment:
Support the hexahedron structure that upper and lower part plate 143,144 forms at the above-mentioned smooth tunnel 140 of above-mentioned the 1st embodiment mutually by first platform group of left and right side plate 142 formation " L " word shapes 141a, 141b, 142a, 142b.
Therefore, above-mentioned smooth tunnel 140 is when external impacts strengthens, perhaps the elastic force of the second flexure strip 80b of supports right side plate 142 is being done the time spent greater than setting value, can prevent that right plate 142 from moving to the left by above-mentioned first platform group 141a, 141b, 142a, 142b.
Be above-mentioned smooth tunnel 140 right plate 142 because of the elastic force of the external impacts or the second flexure strip 80b greater than the setting value effect, when making it mobile to the left, the vertical plane 142b of first platform 142a, the 142b that forms at above-mentioned right plate 142 bumps in the end of upper and lower part plate 143,144 and prevents to move.
Because above-mentioned smooth tunnel 140 dependence itself connect the twisted of structure prevention hexahedron form, can make by the reflection of light angle of above-mentioned smooth tunnel 140 and do not reversed, stable picture is provided.
Embodiment 2
With reference to Fig. 6 and Fig. 7, the 2nd embodiment of projector engine of the present invention is described.
As shown in Figure 6 and Figure 7, the light tunnel of above-mentioned the 2nd embodiment is second platform group 143a, 143b, 144a, the 144b of two ends, the left and right sides each self-forming of medial end " L " word shape of the upper and lower part plate 143,144 in four reflecting plates 141,142,143,144 of coating film treatment outside, promptly form second platform group 143a, 143b, 144a, 144b at upper and lower part plate 143,144, connect the two ends of left and right side plate 141,142 at above-mentioned second platform group 143a, 143b, 144a, 144b, constitute the light tunnel 140 of hexahedron form.
At this moment, above-mentioned second platform group 143a, 143b, 144a, 144b are along with plate 143,144 length directions in corresponding upper and lower part form, and paste the above-mentioned left and right side plate 141,142 of bonding agent strong bonded.
As a reference, be in contact with one another though in Fig. 6, between second platform group 143a, 143b, 144a, 144b, keep at a certain distance away, the phase mutual edge distance of upper and lower part plate 143,144 and left and right side plate 141,142 also has at interval slightly, it only for the ease of giving symbol is, actually is adjacent to fully.
On the other hand, the light tunnel 140 of above-mentioned the 2nd embodiment is also the same with the 1st embodiment, relies on probably elastomeric element 80 first and second flexure strip 80a, 80b resiliency supported upper board 143 and right plate 142 with the bending of " " word.
With reference to Fig. 6 and Fig. 7, the Action Specification of the present invention the 2nd embodiment of above-mentioned explanation is as follows.
The light tunnel 140 of above-mentioned the 2nd embodiment is by forming second platform group of " L " word shape 143a, 143b, 144a, 144b at upper and lower part plate 143,144, and the hexahedron that left and right side plate 141,142 is supported is mutually constructed.
Therefore, above-mentioned smooth tunnel 140 is when external impacts strengthens, and perhaps the elastic force of the flexure strip 80b of supports right side plate 142 is being done the time spent greater than setting value, can prevent that right plate 142 from moving to the left by above-mentioned second platform group 143a, 143b, 144a, 144b.
Be above-mentioned smooth tunnel 140 right plate 142 because of the elastic force of the external impacts or the second flexure strip 80b greater than setting value, when it is mobile to the left, vertical plane 143b, 144b among second platform group 143a forming, 143b, 144a, the 144b will be bumped on upper and lower part plate 143,144 in the both ends of above-mentioned right plate 142, prevent that it from moving.
Therefore, above-mentioned smooth tunnel 140 is also the same with above-mentioned the 1st embodiment, and dependence itself connects the twisted of structure prevention hexahedron form, can make by the reflection of light angle of above-mentioned smooth tunnel 140 and not reversed, and stable picture is provided.
Embodiment 3
The 3rd embodiment with reference to the following explanation of Fig. 8 projector engine of the present invention.
As shown in Figure 8, according to the first smooth tunnel 40 of the 3rd embodiment as before, four first reflecting plates 41,42,43,44 of outside coating film treatment connect with section quadrangle structure.
That is, above-mentioned each first reflecting plate 41,42,43,44 relies on cementing agent 45 and bonds in abutting connection with first reflecting plate 41,42,43,44, has the hexahedron shape on the whole.
And the wall 11 that is provided with that first left plate 41 of the above-mentioned first smooth tunnel 40 is close to engine box 10 formation is provided with.
At this moment, first lower panel 44 of the above-mentioned first smooth tunnel 40 relies on cementing agent 45 to be fixed on the bottom surface of above-mentioned engine box 10.
More particularly, the bottom surface of above-mentioned engine box 10 that first lower panel 44 of the above-mentioned first smooth tunnel 40 is installed has formed filling orifice 10a, and it is fixing to have injected bonding agent 145 by above-mentioned filling orifice 10a, so first lower panel 44 of the above-mentioned first smooth tunnel 40 can be fixed on the bottom surface of above-mentioned engine box 10.
And first lower panel 44 of the above-mentioned as mentioned above first smooth tunnel 40 is being fixed in the bottom surface state of engine box 10, by probably with elastomeric element 80 resiliency supported of " " word bending.
At this, a side of above-mentioned elastomeric element 80 connects the above-mentioned wall 11 that is provided with, and opposite side connects the bottom surface of above-mentioned engine box 10, the first smooth tunnel 40 that resiliency supported is provided with the form of first upper board 42 that wraps up the above-mentioned first smooth tunnel 40 and first right plate 43.
At this moment, 80 positions at first upper board 42 of the correspondence above-mentioned first smooth tunnel 40 of above-mentioned elastomeric element are cut and are formed the first flexure strip 80a.
That is, above-mentioned first smooth tunnel 40 first lower panel 44 are fixed on the bottom surface of above-mentioned engine box 10, and first upper board 42 that has only the first smooth tunnel 40 is by resiliency supported.
Finally, each first reflecting plate, 41,42,43,44 connecting portion of the first smooth tunnel 40 of above-mentioned the 3rd embodiment are pasted for bonded dose 45 and are formed the hexahedron shape, first left plate 41 with wall be set be adjacent to, first lower panel 44 is fixed on the bottom surface of above-mentioned engine box 10, makes first upper board 42 by the first flexure strip 80a resiliency supported.
The Action Specification of the 3rd embodiment of the present invention of above-mentioned explanation is as follows:
Because first lower panel 44 of the first smooth tunnel 40 of above-mentioned the 3rd embodiment is fixed on the bottom surface of above-mentioned engine box 10, has only first upper board 42 by resiliency supported, make when impacting when bearing external force, can prevent first right plate 43 moving to the left, being the above-mentioned first smooth tunnel 40 will be bonded in the softening state of cementing agent 45 of each first reflecting plate, 41,42,43,44 connecting portion in the heat that produces because of engine internal, even bear external impacts, because of fixing of first lower panel 44, prevent moving about of first right plate 43, can keep the hexahedron form.
Therefore, the above-mentioned first smooth tunnel 40 can prevent the twisted of hexahedron form, can make by the reflection of light angle of the above-mentioned first smooth tunnel 40 and not reversed, and stable picture is provided.
In addition, form filling orifice 10a in the bottom surface of engine box 10 as mentioned above, and inject the reasons are as follows of the bonding agent 145 fixing above-mentioned first smooth tunnels 40 by filling orifice 10a:
Even it is slightly different that the first smooth tunnel 40 is provided with the position, the reflection of light angle of passing through is seriously reversed.If directly smear bonding agent in the bottom surface of above-mentioned engine box 10 the first smooth tunnel 40 is set, the position that is provided with of the above-mentioned first smooth tunnel 40 is subject to variation, promptly smear not only difficulty of bonding agent 145 in the bottom surface of above-mentioned engine box 10, and be provided with in the process of the first smooth tunnel 40 on the ground of smearing bonding agent 145, may cause the variation that the position is set of the first smooth tunnels 40 such as height tolerance of first lower panel 44 of the first smooth tunnel 40.
Therefore, as above-mentioned the 3rd embodiment, form filling orifice 10a in the bottom surface of above-mentioned engine box 10, the first smooth tunnel 40 and elastomeric element 80 together is set, first lower panel 44 that makes the first smooth tunnel 40 is injected bonding agent by filling orifice 10a and is fixed after the bottom surface of engine box 10 is adjacent to.
Embodiment 4
Fig. 9 be the fourth embodiment of the invention projector engine slightly show sectional view, be to replace the filling orifice 10a (with reference to Fig. 8) of above-mentioned the 3rd embodiment to form injection groove 20a in the bottom surface of engine box 10, fix first smooth tunnel 40 first lower panel 44, promptly inject bonding agent 145, above-mentioned first smooth tunnel 40 first lower panel 44 are fixed on the bottom surface of above-mentioned engine box 10 at above-mentioned injection groove 20a.
The first smooth tunnel 40 of above-mentioned the 4th embodiment will be bonded in the softening state of cementing agent 45 of each first reflecting plate, 41,42,43,44 connecting portion in the heat that produces because of engine internal, even bear external impacts, because of fixing of first lower panel 44, prevent moving about of first right plate 43, can keep the hexahedron form.
Therefore, the above-mentioned first smooth tunnel 40 can prevent the twisted of hexahedron form, can make by the reflection of light angle of the above-mentioned first smooth tunnel 40 and not reversed, and stable picture is provided.
As a reference, when above-mentioned injection groove 20a injects bonding agent 145, should inject the bonding agent that is less than the capacity that injects groove 20a, prevent that in the process that the above-mentioned first smooth tunnel 40 is set bonding agent 145 is that above-mentioned engine box 10 bottom surfaces are excessive to the outside of injecting groove 20a.
The invention is not restricted to the foregoing description, from additional request scope as can be known, the people with the common knowledge in the affiliated field of the present invention can change, and this kind change also belongs to the scope of the invention.
Claims (11)
1. projector engine, comprise engine box, be arranged on the light source of above-mentioned engine box, be arranged on above-mentioned engine box, the light of above-mentioned light source irradiation is separated into R, G, the colour wheel of B (color wheel), be arranged on above-mentioned engine box, guiding light tunnel (light tunnel) through the light of above-mentioned colour wheel, it is characterized in that: above-mentioned smooth tunnel connects four reflecting plates and has formed the hexahedron shape, and form a platform group at least respectively in the end, two ends of two reflecting plates, the two ends of residual reflection plate are connected above-mentioned platform group.
2. by the described projector engine of claim 1, it is characterized in that: above-mentioned platform group is at the left plate and the right plate of four reflecting plates.
3. by the described projector engine of claim 1, it is characterized in that: above-mentioned platform group is in the upper board and the lower panel of four reflecting plates.
4. by claim 1,2 or 3 described projector engines, it is characterized in that: above-mentioned platform group section forms " L " word shape.
5. by claim 1,2 or 3 described projector engines, it is characterized in that: comprise the upper board of the above-mentioned smooth tunnel of resiliency supported and the elastomeric element of right plate in addition.
6. by the described projector engine of claim 5, it is characterized in that: above-mentioned elastomeric element forms more than one flexure strip at least at the corresponding position of above-mentioned upper board and right plate.
7. projector engine, comprise engine box, be arranged on the light source of above-mentioned engine box, be arranged on above-mentioned engine box, the light of above-mentioned light source irradiation is separated into R, G, the colour wheel of B (color wheel), be arranged on above-mentioned engine box, the guiding light tunnel (light tunnel) through the light of above-mentioned colour wheel, it is characterized in that: above-mentioned smooth tunnel connects four reflecting plates and has formed the hexahedron shape, and its underpart plate is fixed on above-mentioned engine box bottom surface for bonded dose.
8. by the described projector engine of claim 7, it is characterized in that: the bottom surface at the above-mentioned engine box of the above-mentioned smooth tunnel lower panel of correspondence forms in order to inject the filling orifice of bonding agent.
9. by the described projector engine of claim 7, it is characterized in that: the bottom surface at the above-mentioned engine box of the above-mentioned smooth tunnel lower panel of correspondence forms in order to inject the injection groove of bonding agent.
10. by claim 7,8 or 9 described projector engines, it is characterized in that: the elastomeric element that comprises the above-mentioned smooth tunnel upper board of resiliency supported in addition.
11. by the described projector engine of claim 10, it is characterized in that: above-mentioned elastomeric element forms more than one flexure strip at least at the corresponding position of above-mentioned upper board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510047318 CN1940708A (en) | 2005-09-30 | 2005-09-30 | Projector engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510047318 CN1940708A (en) | 2005-09-30 | 2005-09-30 | Projector engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1940708A true CN1940708A (en) | 2007-04-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510047318 Pending CN1940708A (en) | 2005-09-30 | 2005-09-30 | Projector engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1940708A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101334582B (en) * | 2007-06-25 | 2010-06-16 | 卡西欧计算机株式会社 | Optical system unit and projector including the same optical system |
-
2005
- 2005-09-30 CN CN 200510047318 patent/CN1940708A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101334582B (en) * | 2007-06-25 | 2010-06-16 | 卡西欧计算机株式会社 | Optical system unit and projector including the same optical system |
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