CN100589023C

CN100589023C - Projector

Info

Publication number: CN100589023C
Application number: CN200610084759A
Authority: CN
Inventors: 何文卿
Original assignee: Coretronic Corp
Current assignee: Coretronic Corp
Priority date: 2006-05-18
Filing date: 2006-05-18
Publication date: 2010-02-10
Anticipated expiration: 2026-05-18
Also published as: CN101075080A

Abstract

A projection device is prepared as setting fixture component of optical machine on optical machine and arranging an internal regulation screw hole on Z axle direction of said fixture component as wellas setting a regulation frame on regulation unit and arranging an external regulation screw hole on Z axle direction of regulation frame then using regulation screw to connect said internal and external regulation screw holes for making optical machine have regulation mechanism.

Description

Projection arrangement

[technical field]

The invention relates to a kind of projection arrangement, be meant a kind of can the adjustment especially, and then improve focus error and promote the projection arrangement of its projection quality the ray machine in the projection arrangement.

[background technology]

As shown in Figure 1, the generation of known projection arrangement 90 its image projection functions mainly is the ray machine 91 from inside, and this ray machine 91 is to be fixed on the base 92, image is projeced into a catoptron or screen 93 again.This ray machine 91 is precision components; and certain focal length design load is arranged; but because this ray machine 91 is own when making assembling; regular meeting is because of factors such as mechanism's tolerance, assembling tolerance, optical tolerance or transportations; make the Z shaft position (projecting direction of the projection lens of this ray machine 91) of this ray machine 91 produce change in displacement (promptly not on design load), and then cause that focal length is incorrect, the unclear situation of image.Though and projection arrangement is after carrying out the ray machine assembling, can there be other adjusting mechanisms to carry out the adjustment of focal length or projected position in addition, but in the prior art, because this ray machine 91 itself is to be fixed on this base 92 to adjust, cause the Z axial projection focal length of this ray machine also can't adjust, make the correct focal length design load of ray machine itself to implement, have a strong impact on the image quality of projector equipment, therefore, design improved in addition more how, making ray machine itself have the adjustment function, and then guarantee that it has the accurate quality basis of correct focal length design load when projector equipment is assembled, really is that industry should make great efforts to research and develop the emphasis direction of breakthrough again.

In view of its ray machine of aforementioned projection arrangement itself not tool adjust on the shortcoming of function and the structural design thereof and do not attain the desirable fact, this case inventor promptly sets about its solution of research and development design, hope can be developed a kind of ray machine that has more property adjusted and operation ease and be adjusted structure, popular and promote the development of this industry with service society, satisfying through for a long time design has generation of the present invention.

[summary of the invention]

The objective of the invention is is providing a kind of projection arrangement, and it can make ray machine itself have the mechanism of adjustment, and guarantees that ray machine is positioned at correct focal length design load when assembling, and then promotes the image quality of projection arrangement.

A further object of the present invention is to provide a kind of projection arrangement, and it can make ray machine have splendid operability and convenience in the focal length adjustment, and then promotes its assembling benefit.

Another object of the present invention is to provide a kind of projection arrangement, and it can make the projection of ray machine that the function that the position has adjustment is set, and then whole projection imaging quality is adjusted and promoted in convenient its assembling.

For reaching above-mentioned purpose, projection arrangement of the present invention includes: an optical mechanical apparatus is to include to adjust screw in one; And an adjusting gear, be to include an adjustment rack and to adjust screw rod, be to be provided with an outer screw of adjusting on this adjustment rack, this adjustments screw rod be bolted in this outer adjust screw and between the adjustment screw; This optical mechanical apparatus is and the binding that is articulated of this adjustment rack, can make this optical mechanical apparatus axially carry out the displacement start with respect to this adjustment rack along this adjustment screw rod when this adjustment screw rod of operation.

Projection arrangement of the present invention, it can make ray machine itself have the mechanism of adjustment, and guarantees that ray machine is positioned at correct focal length design load when assembling, and then promotes the image quality of projection arrangement; Can also make ray machine in the focal length adjustment, have splendid operability and convenience, and then promote its assembling benefit; Can also make the projection of ray machine that the function that the position has adjustment is set, and then whole projection imaging quality is adjusted and is promoted in convenient its assembling.

In order further understanding and understanding more to be arranged to technical characterictic of the present invention and the effect of being reached, sincerely help with preferred embodiment figure and cooperate detailed explanation, illustrate as the back:

[description of drawings]

Fig. 1 is known ray machine synoptic diagram;

Fig. 2 is the combination synoptic diagram of projection arrangement of the present invention;

Fig. 3 is the decomposing schematic representation of projection arrangement of the present invention;

Fig. 4 is the combination cross-sectional schematic of projection arrangement of the present invention;

Fig. 5 is the combination cross-sectional schematic of projection arrangement of the present invention;

Fig. 6 is the part combination cross-sectional schematic of projection arrangement of the present invention;

[embodiment]

See also shown in Fig. 2,3 and 4, projection arrangement of the present invention is to comprise an optical mechanical apparatus 10 and adjusting gear 30; This optical mechanical apparatus 10 includes a ray machine 11 and ray machine fixation kit 20, these ray machine 11 the place aheads are provided with a projection lens 12, the projecting direction of this projection lens 12 is to be defined as Z-direction, in order to carry out benchmark that focal length adjusts to, this ray machine fixation kit 20 is to include a ray machine fixed mount 21 and ray machine holder 22, this ray machine fixed mount 21 is to set firmly or spiral shell is located on this ray machine 11, it includes second stationary plane 212 that axial first stationary plane 211 of a vertical Z and two is positioned at these first stationary plane, 211 both sides, this first stationary plane 211 is to be provided with to adjust screw 213 in one, in the middle of preferable enforcement, this first stationary plane 211 is and 11 of ray machines are separated with suitable distance A, and this second stationary plane 212 is to convex with a fixing ear 214; This ray machine holder 22 is slightly to be a U shape support body and back, the position, side of being located at this ray machine 11; This ray machine holder 22 includes the fixedly mounting 221 of both sides, fixedly mounting 221 is to be provided with a fixed head that protrudes out 222, this fixed head 222 can with these fixing ear 214 concrete mutuallies, as be spirally connected, riveted joint etc., in order to link this ray machine fixed mount 21 and ray machine holder 22, certainly, this ray machine fixed mount 21 also can increase fixed mechanism with ray machine holder 22 in the appropriate location, for example: screw 321,322,323, the 324 spiral shell nodes that presented (shown in the 4th figure), in order to the fastness of increase binding, moreover, be further to be provided with a pivot hole 223 on this fixed head 222, and in the middle of preferable enforcement, this ray machine holder 22 and ray machine 11 are separated with suitable distance between being.

This adjusting gear 30 is to include an adjustment rack 31 and adjust seat 32, this adjustment rack 31 is to include the second adjustment face 312 that the axial first adjustment face 311 of a vertical Z and two is positioned at these first adjustment face, 311 both sides, this first adjustment face 311 is to be provided with an outer screw 213 of adjusting, in addition, one adjust screw rod 314 be bolted in that this is outer, 313,213 of interior adjustment screws, adjust mechanism in order to form the spiral shell knot; This second adjustment face 312 is to be provided with a chute to lack portion 315, the place ahead that this chute lacks portion 315 is to be provided with one to support part 316, should support on the part 316 be to be provided with a pilot hole 317, again, one tip bar 318 is to be hubbed at the pivot hole 223 of this fixed head 222 and to be linked to this pilot hole 317, this tip bar 318 is to be arranged with a spring 319, and make this spring 319 be resisted against this between part 316 and fixed head 222, and the chute that 222 of this fixed heads are positioned at this adjustment rack 31 lacks portion 315 places, change speech, this ray machine fixation kit 20 is to be the state that links that articulates with this adjustment rack 31.Moreover these adjustment rack 31 rears are and this adjustment seat 32 concrete mutuallies, as be spirally connected, riveted joint etc., and should adjustments seat 32 be to be fixedly arranged on the frame (not shown), and this adjustment 32 and these fixed head 222 rears be to have suitable clearance distance after the combination.

Continue and see also Fig. 5,6, when projection arrangement of the present invention carries out the focal length adjustment of this ray machine 11, it is this adjustment screw rod 314 of turn, the turn of this adjustment screw rod 314 can make this ray machine fixed mount 21 produce the start of upper and lower displacement, this ray machine fixed mount 21 and this ray machine 11 of one interlock and ray machine holder 22, and make the projection lens 12 of this ray machine 11 produce the effect that focal length is adjusted.

As described above, when this adjustment screw rod 314 of turn makes these ray machine 11 displacement starts, this spring 319 will be compressed or uphold, and this spring 319 is except that having the operation that relaxes this adjustment screw rod 314, have more and remedy this spring 319 and the outer gap between screw function of adjusting 213 of screws 313, interior adjustment screw, it is more accurate accurate to make in the focal length adjustment operation.Moreover because the adjustment of these ray machine 11 focal lengths own is to belong to a kind of Precision trimming, when this ray machine 11 was adjusted displacement backward, these tip bar 318 bottoms replacing of this fixed head 222 relatively can be used as a terminating point, adjusted the scope of displacements to limit or to set this ray machine 11.

What deserves to be mentioned is, adjustment screw 213,313 combinations that the present invention should adjust screw rod 314 and this ray machine fixed mount 21, adjustment rack 31 are relative when being positioned at Z-direction, can carry out the focal length adjustment operation of this ray machine 11, when adjustment screw 213,313 combinations of this adjustment screw rod 314 and this ray machine fixed mount 21, adjustment rack 31 are relative when being positioned at other directions (as X or Y direction), can carry out the operation that these ray machine 11 appropriate locations are adjusted.

In sum, projection arrangement of the present invention can be reached and have the effect that ray machine Z axle focal length is adjusted when client is installed, can effectively solve ray machine because of mechanism's tolerance, focal lengths that factor produces such as assembling tolerance, optical tolerance or transportation etc. not in the disappearance of design load, and then reach the goal of the invention of positive lifting projection quality, and the present invention is quite easy, rapid in the adjustment operation, can be rated as an excellence that has benefit and practicality and invents.

The above only is preferred embodiment of the present invention, is not to be used for limiting protection scope of the present invention, so the equalization of doing according to the present invention changes and modifies such as, all should be included in protection scope of the present invention.

[figure number is to as directed]

Projection arrangement 90 ray machines 91

Base 92 speculums or screen 93

Optical mechanical apparatus 10 adjusting devices 30

Ray machine 11 ray machine fixation kits 20

Projection lens 12 ray machine fixed mounts 21

Ray machine holder 22 first stationary planes 211

Adjust screw 213 in second stationary plane 212

The fixing fixing mounting 221 of ear 214

Fixed head 222 pivot holes 223

Adjustment rack 31 is adjusted seat 32

The first adjustment face, 311 second adjustment faces 312

The outer screw 213 of adjusting is adjusted screw rod 314

Chute lacks portion 315 and supports part 316

Pilot hole 317 tip bars 318

Spring 319 screws 321,322,323,324

Claims

1. projection arrangement includes:

One optical mechanical apparatus, be include adjust screw in one, a ray machine and is fixedly arranged on the ray machine fixation kit on this ray machine, wherein, this ray machine fixation kit includes one in order to the ray machine fixed mount of adjusting screw and one and the ray machine holder of this ray machine fixed mount concrete mutually to be set in this; And

One adjusting gear is to include an adjustment rack and to adjust screw rod, is to be provided with to adjust screw outside one on this adjustment rack, and this adjustment screw rod is to be bolted in this outer adjustment screw and interior the adjustment between screw;

This optical mechanical apparatus is and the binding that is articulated of this adjustment rack, can make this optical mechanical apparatus axially carry out the displacement start with respect to this adjustment rack along this adjustment screw rod when this adjustment screw rod of operation.

2. projection arrangement as claimed in claim 1 is characterized in that: this adjustment screw rod axially be the projecting direction that is parallel to a projection lens of this optical mechanical apparatus.

3. projection arrangement as claimed in claim 1 is characterized in that: this ray machine fixed mount be and this ray machine between be separated with a distance.

4. projection arrangement as claimed in claim 3 is characterized in that: this ray machine fixed mount convexes with a fixing ear, and this ray machine holder to be correspondence convex with fixed head, this fixed head and fixing ear concrete mutually.

5. projection arrangement as claimed in claim 4, it is characterized in that: this adjustment rack is to include a chute to lack portion, and this fixed head is to be positioned at this chute to lack the portion place, the place ahead that this chute lacks portion is provided with one to part, and this fixed head is pivoted with a tip bar, this tip bar is to be linked to the pilot hole that this supports part, and this tip bar is arranged with a spring, and this spring is resisted against this between part and this fixed head.

6. projection arrangement as claimed in claim 1 is characterized in that: this adjusting gear more include one with the adjustment seat of this adjustment rack concrete mutually.