CN105824174A - Projector - Google Patents
Projector Download PDFInfo
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- CN105824174A CN105824174A CN201610029194.7A CN201610029194A CN105824174A CN 105824174 A CN105824174 A CN 105824174A CN 201610029194 A CN201610029194 A CN 201610029194A CN 105824174 A CN105824174 A CN 105824174A
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- Prior art keywords
- vane member
- peristome
- projector
- projecting
- lens
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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
- G03B21/145—Housing details, e.g. position adjustments thereof
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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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Projection Apparatus (AREA)
Abstract
Provided is a projector capable of being miniaturized. The projector comprises a housing shell forming a housing and having an opening; a projecting lens arranged in the housing shell and projecting an image through the opening; and a baffle used for opening and closing the opening and being characterized by having a first blade member and a second blade member. The first blade member overlaps at least one part of the second blade member, moves towards an opening direction to open the opening, and moves towards a closing direction to close at least one part of the opening. The opening direction rotates around an axis perpendicular to an image projection direction of the projecting lens, and the closing direction is opposite to the opening direction. The overlapping range of the first blade member and the second blade member when the opening is open is larger than the overlapping range when the opening is closed.
Description
Technical field
The present invention relates to a kind of projector.
Background technology
Conventionally, there is known following projector, it possesses: light supply apparatus；Optic modulating device, the light penetrated from this light supply apparatus is modulated and forms the image corresponding with image information by it；And projecting optical device, the amplification of this image is projected in screen etc. and is projected on face by it.As such projector, it is known to possess the projector (for example, referring to patent documentation 1) of the baffle plate of projecting optical device exposed for protection to outside.
This projector described in patent documentation 1 possesses the case body that projecting optical device (projecting lens) etc. is accommodated in inside, and this case body possesses: make the peristome that projecting optical device exposes；And this peristome is carried out the baffle plate of the tabular of opening and closing.The face that this baffle plate is configured to along being formed with this peristome at case body is moved.When this baffle plate moves to a side, peristome is opened and is exposed projecting optical device, and thus, being formed as can be by image projection in the state being projected on face.It addition, when baffle plate moves to the opposing party, close peristome, thereby, it is possible to protection projecting optical device.
Prior art literature
Patent documentation
Patent documentation 1: Japanese Unexamined Patent Publication 2010-262124 publication
Summary of the invention
Invent problem to be solved
But, in the projector described in patent documentation 1, the face that the baffle plate of tabular is configured to along being formed with peristome is moved.Accordingly, it would be desirable to arrange, at case body, the space that the baffle plate for the tabular bigger than peristome is kept out of the way, thus it is difficult to the miniaturization of projector.
The situation additionally, there are and be provided with such as air vent on the face that case body is formed with above-mentioned peristome, receiving the signal receiving part of the signal from remote controller.In this case, there are problem as follows, i.e. if guaranteeing above-mentioned space, then need the allocation position of this air vent and signal receiving part is any limitation as, thus be difficult to projector miniaturization.
Particularly in the projector of short focus type, there are the situation using the projecting lens with the shape that the projecting direction side to image bloats.In the structure making a baffle plate of the mating shapes with such projecting lens move, need to expand the space kept out of the way for this baffle plate further, it is difficult to the such problem of miniaturization realizing projector becomes notable.
It is an object of the invention to solve at least some of of above-mentioned problem, one of its purpose for provide a kind of can the projector of miniaturization.
For solving the technical scheme of problem
The projector of one mode of the present invention, it is characterised in that including: case body, constitutes shell, and has peristome；Projecting lens, is configured in described case body, and the projection picture via described peristome；And baffle plate, described peristome is carried out opening and closing, it is characterized in that, described baffle plate has multiple vane member, the plurality of vane member overlaps at least partially, and move to opening direction and open described peristome, move to closedown direction and close at least some of of described peristome, described opening direction is the direction carrying out rotating centered by the axle perpendicular with the projecting direction of the described image carried out by described projecting lens, described closedown direction is the direction contrary with described opening direction, the respective overlapping range of the plurality of vane member that described peristome is under the state opened is more than the respective overlapping range of the plurality of vane member under the state that described peristome is in closedown.
Additionally, as above-mentioned multiple vane members, except two vane members, it is also possible to enumerate the vane member of more than three.
According to one side formula, multiple vane members of composition baffle plate, when opening above-mentioned peristome, are overlapped into the scope bigger than the scope overlapped each other in the case of closing this peristome and are contained.Thus, can reduce in case body, receive the space of above-mentioned multiple vane member.Therefore, the miniaturization of projector can be realized.
In one side formula, being preferably, described projecting lens has the shape that the ora terminalis of described projecting direction side bloats to described projecting direction side, in the plurality of vane member at least any one has the shape of the convex camber along described projecting lens.
According to one side formula, multiple vane members are formed along the convex camber of projecting lens and the shape (such as arc-shaped) that formed, and these vane members move along above-mentioned rotation direction.Accordingly, compared to the situation of the above-mentioned tabular baffle plate of use, the face of the projecting direction side of projecting lens and the distance of each vane member can be shortened.Therefore, the case body (the particularly case body near projecting lens) for receiving these projecting lens and baffle plate can be reduced.
In one side formula, it is preferably, described case body has engaging portion, this engaging portion is at the locking the plurality of vane member in the pent position of described peristome, in the plurality of vane member at least any one has holding section, this holding section is for locking and maintain the closed mode of described peristome by described engaging portion.
According at least any one holding section being had in one side formula, the engaging portion being had by case body and multiple vane member, it is possible to maintain the closed mode of peristome.Therefore, it is possible to more reliably by flapper closure peristome.
In one side formula, being preferably, the plurality of vane member includes: the first vane member, is configured at described projecting lens side；And second vane member, it is configured at and described projecting lens opposite side relative to described first vane member；Described first vane member has operating portion, and when making described first vane member move to described opening direction, described operating portion abuts with described second vane member, makes described second vane member move to described opening direction.
Additionally, as operating portion, can be set forth in when making the first vane member move to above-mentioned closedown direction or above-mentioned opening direction, carry out the knob operated for user.
Such as, the second vane member is positioned at than the first vane member by the case of projecting lens side, even if being moved to above-mentioned opening direction by the operating portion being configured at the first vane member, this operating portion also will not abut against with the second vane member.Therefore, in order to make this second vane member and the first vane member move to equidirectional, need the structure being additionally provided for abutting against on the first vane member with this second vane member.
In contrast, according to one side formula, the first vane member is positioned at than the second vane member by projecting lens side, and operating portion and the second vane member that this first vane member is had abut against, therefore by this operating portion is operated, the second vane member can be made to move to above-mentioned opening direction.Therefore, it is possible not only to simplify the structure of the first vane member, it is also possible to the first vane member to the movement of above-mentioned opening direction, make the second vane member reliably move to equidirectional.
In one side formula, it is preferably, described first vane member has abutting part in the end of the described opening direction side of this first vane member, this abutting part can abut against with described second vane member, described second vane member has abutting portion, this abutting portion is positioned at the end of the side, described closedown direction of described second vane member, when described first vane member moves to described closedown direction, described abutting portion abuts against with described abutting part and makes described second vane member move to described closedown direction.
According to one side formula, when making the first vane member move to above-mentioned closedown direction, the abutting part of the first vane member and the abutting portion of the second vane member abut against.Accordingly, with the movement to above-mentioned closedown direction of first vane member, the second vane member can be made reliably to move to equidirectional.
In one side formula, it is preferably, when observing from described projecting direction side, described projecting lens has the shape that round end side is cut out, when observing from described projecting direction side, the plurality of vane member is accommodated in the position of described end side, thus opens described peristome.
According to one side formula, when observing from above-mentioned projecting direction side, multiple vane members are accommodated in the position of the notch side in projecting lens shape.Accordingly, untapped space can configure in case body the plurality of vane member.Therefore, the dead-space volume in case body can be made full use of and multiple vane members are received, therefore can promote the miniaturization of case body, and then the miniaturization of projector can be promoted.
Accompanying drawing explanation
Fig. 1 is the axonometric chart of the projector observing one embodiment of the present invention from face portion side.
Fig. 2 is the schematic diagram of the optical system of the projector illustrating above-mentioned embodiment.
Fig. 3 is the top view observing the projector the pent state of peristome of above-mentioned embodiment from face portion side.
Fig. 4 is the top view of the lens baffle plate the state closing peristome observing above-mentioned embodiment from face portion side.
Fig. 5 is the top view observing the lens baffle plate the state opening peristome of above-mentioned embodiment from face portion side.
Fig. 6 is the top view of the projector the state that the lens baffle plate from the above-mentioned embodiment of face portion side observation is accommodated in accepting regions.
The sectional view of the projector the state that Fig. 7 is the peristome closedown observing above-mentioned embodiment from right side facing side.
Fig. 8 is the sectional view of the projector the state that the peristome from the right side facing side above-mentioned embodiment of observation is opened.
Description of reference numerals
1 ... projector；2 ... case body；231 ... peristome；23A ... accepting regions；46 ... projecting optical device；461 ... projecting lens；463 ... engaging portion；5 ... lens baffle plate；51 ... the first vane member；511 ... operating portion；512 ... holding section；513 ... abutting part；52 ... the second vane member；521 ... upper surface；522 ... abutting portion；P ... center；S ... rotation direction；S1 ... close direction；S2 ... opening direction.
Detailed description of the invention
Hereinafter, based on accompanying drawing, one embodiment of the present invention is described.
[outline of projector]
Fig. 1 is the axonometric chart of the projector 1 observing present embodiment from face side.
The projector 1 of present embodiment is to be modulated the light penetrated from light supply apparatus 41 described later and form the image corresponding with image information, and this image amplifies the projector projecting to the short focus type that screen etc. is projected on face.As it is shown in figure 1, this projector 1 possesses case body 2, the apparatus main body 3 (with reference to Fig. 2) that is accommodated in this case body 2 and the lens barrier 5 being installed on case body 2.
Additionally, this projector 1 is configured to be not only the upright posture loaded in the way of making bottom surface sections 2B described later relative with the predetermined face that arranges, additionally it is possible to use under the inversion posture the most contrary with this upright posture.
[structure of case body]
Case body 2 has overall approximately parallelepiped body shape, is formed by synthetic resin in the present embodiment.This case body 2 is consisted of combination upper body 21, lower case 22, front shell 23 and aft case 24.
Wherein, the both sides respective part of face 2E, 2F of the top part 2A of case body 2, left and right it is made up of upper body 21.It addition, be made up of the both sides respective part of face 2E, 2F of bottom surface sections 2B of case body 2, left and right lower case 22.
And then, it is made up of face portion 2C of case body 2 front shell 23, aft case 24 constitutes back part 2D.
Additionally, in the following drawings and explanation, Z-direction represents the direct of travel (projecting direction) from projecting optical device 46 projected light described later, and X-direction and Y-direction represent and mutually orthogonal directions orthogonal with this Z-direction.Wherein, Y-direction represent overlook time in the way of making Z-direction in the horizontal direction, configure projector 1 in the case of, the top reverse with vertical is (i.e., from bottom surface sections 2B of case body 2 towards the direction of top part 2A), X-direction represents when Z-direction side (the direct of travel side of light) is observed from a left side towards right direction.
[structure of peristome]
As it is shown in figure 1, the front shell 23 constituting case body 2 has the peristome 231 for passing through from the image of above-mentioned projecting optical device 46 projection.That is, peristome 231 makes a part for projecting optical device 46, projecting lens the most described later 461 expose.
As it is shown in figure 1, such peristome 231 is formed as less than the size of Y-direction side with the size of Y-direction reverse side.That is, the shape that bottom when peristome 231 is formed as being arranged at projector 1 the predetermined face that arranges is less than top.Specifically, when observing from Z-direction side, projecting lens 461 is the substantially semi-circular shape by straight cuts toroidal in X direction.It is the scope more slightly smaller than peristome 231 from the injection scope of the light of these lens 461 injection.In other words, peristome 231 is formed as not blocking the shape of the light from lens 461 injection.
It addition, be provided with lens baffle plate 5 on peristome 231.Can be described in detail this lens baffle plate 5 afterwards, when this lens baffle plate 5 moves to the position opening peristome 231, the region beyond the subregion with Y-direction rightabout side of peristome 231 is opened.Thus, the image from projecting lens 461 projection projects via peristome 231.
[structure of apparatus main body]
Fig. 2 is the schematic diagram of the structure representing the apparatus main body 3 being located in case body 2.
As in figure 2 it is shown, apparatus main body 3 possesses formation and the optical unit 4 of projection picture.Though it addition, eliminate diagram, apparatus main body 3 possesses voice output unit, the control unit controlling projector 1 entirety, the power subsystem supplying electric power to the component parts of projector 1 and the cooling unit cooling down cooling object.
[structure of optical unit]
Optical unit 4 is formed under the control based on not shown control unit and projects the image corresponding with image information.This optical unit 4 possesses light supply apparatus 41, illumination optics device 42, colour esensitized equipment 43, relay-set 44, electro-optical device 45, projecting optical device 46 and supports these optical component casing 47.
Light supply apparatus 41 has illuminator 411 and reflector 412, to illumination optics device 42 outgoing beam.
Illumination optics device 42 is by the uniform-illumination in the face of the orthogonality of center shaft relative to the light beam penetrated from light supply apparatus 41.This illumination optics device 42 has the first lens arra 421, light modulating device the 425, second lens arra 422, polarization 423 and overlapping lens 424 according to the incident order of the light from light supply apparatus 41.
Light beam from illumination optics device 42 incidence is separated into red (R), green (G) and blue (B) these three coloured light by colour esensitized equipment 43.This colour esensitized equipment 43 has dichroic mirror 431,432 and reflecting mirror 433.
Relay-set 44 is located in three kinds of coloured light of separation compared with other coloured light in the light path of the red light that light path is longer.This relay-set 44 has light incident side lens 441, relay lens 443 and reflecting mirror 442,444.
White light after modulation, after being modulated the white light separated respectively accordingly with image information, is synthesized by electro-optical device 45.This electro-optical device 45 has: be located at three field lenses 451 of every coloured light；Three light incident side polarized light pieces 452；Three liquid crystal boards 453 (respectively red, green and blue liquid crystal board being set to 453R, 453G, 453B) and three emitting side polarized light pieces 454 as optic modulating device；And as the crossed dichroic prism 455 to the color synthesizing optical device that the white light after modulation synthesizes.
Projecting optical device 46 is configured to the coloured light after possessing synthesis (forming the light beam of image) amplification and projects to the above-mentioned projecting lens 461 being projected on face and the battery of lens of lens barrel 462.By such projecting optical device 46 (being projecting lens 461 in detail) projected light from peristome 231 (with reference to Fig. 3) projection of front shell 23.
It addition, projecting lens 461 has the shape that the ora terminalis of projecting direction side, i.e. Z-direction side bloats to projecting direction side.That is, being short burnt type projector due to the projector 1 of present embodiment, therefore projecting lens 461 radius of curvature compared with the lens of the circular used in general projector is less, and projecting lens 461 itself is bigger.When Z-direction unilateral observation, this projecting lens 461 is configured to substantially semi-circular (with reference to Fig. 7 and Fig. 8) formed so that straight line along the X direction cuts round end side.It addition, be provided with sky at projecting lens 461 with Y-direction rightabout side.That is, the sky with Y-direction rightabout side of this projecting lens 461 is the accepting regions 23A of storage lens baffle plate 5.Additionally, afterwards accepting regions 23A is described in detail.
Though optical component casing 47 eliminates diagram in detail, it possesses the member storage component in the groove portion for receiving various optics that is formed with, for the cap-like structure closing the peristome of the component storage being formed on this member storage component and the supporting member supporting projecting optical device 46.
Being set with lighting optical axis AX on this optical component casing 47, above-mentioned each device 41～46 is arranged in the precalculated position relative to this lighting optical axis AX.Therefore, when light supply apparatus 41 is configured to optical component casing 47, overlap with lighting optical axis AX from the central shaft of the light of this light supply apparatus 41 injection.
[structure of lens barrier]
Fig. 3 is the top view observing the projector 1 peristome is closed from face portion 2C side.
As it is shown on figure 3, be provided with lens barrier 5 in the front shell 23 constituting case body 2.When lens barrier 5 maintains the position closing peristome 231, the whole region of peristome 231 is closed.That is, lens barrier 5 has the function protecting projecting lens 461 by closing peristome 231.
Fig. 4 is the top view observing the lens baffle plate 5 state closing peristome 231 from face portion 2C side.
Lens barrier 5 is equivalent to the baffle plate of the present invention, has the function opening and closing above-mentioned peristome 231.As shown in Figure 4, the lens barrier 5 under the state closing peristome 231 is formed as the shape of the mating shapes of the opening surface with above-mentioned peristome 231, with Y-direction rightabout side be dimensioned so as to less than the size of Y-direction side.That is, the lens barrier 5 under the state closing peristome 231 is formed as peristome 231 same shape with front shell 23, and is formed as than peristome 231 slightly larger dimensions.
As shown in Figure 4, this lens baffle plate 5 possesses the first vane member 51 and the second vane member 52 being equivalent to multiple vane member.These first vane members 51 and the second vane member 52 are such as formed by synthetic resin.It addition, the first vane member 51 is arranged in projecting lens 461 side, i.e. with Z-direction rightabout side.It addition, the second vane member 52 is arranged in and projecting lens 461 opposite side, i.e. Z-direction side relative to the first vane member 51.It addition, the shape that the first vane member 51 and the second vane member 52 are created as the shape in the face along the Z-direction side in the convex camber of projecting lens 461 and are formed (with reference to Fig. 7 and Fig. 8).
Fig. 5 is the top view observing the lens baffle plate 5 state opening peristome 231 from face portion 2C side.
First vane member 51, in the face of Z-direction side i.e. the end of the Y-direction side of surface 51A, possesses towards the prominent operating portion 511 of this Z-direction.This operating portion 511 abuts against with face i.e. the upper surface 521 of the Y-direction side of the second vane member 52.Thus, when the operating portion 511 of the first vane member 51 is operated by operator, lens baffle plate 5 becomes the state shown in Fig. 5.That is, in the case of becoming the state that lens baffle plate 5 opens peristome 231, the first vane member 51 and the second vane member 52 become observes, from Z-direction, the state overlapped each other.
Fig. 6 is the top view observing the projector 1 state that lens baffle plate 5 is accommodated in accepting regions 23A from face portion 2C side.
With the peristome 231 in front shell 23 with Y-direction opposite side, i.e. from Z-direction unilateral observation projecting lens 461, the position of side that the end side of circle is cut out, be provided with accepting regions 23A.As shown in Figure 6, the first vane member 51 and the second vane member 52 are accommodated in the 23A of this accepting regions with overlapping state.It addition, the overlapping range of the first vane member 51 under the state opening peristome 231 and the second vane member 52 (with reference to Fig. 5) is more than the overlapping range (with reference to Fig. 4) of the first vane member 51 under the state closing peristome 231 and the second vane member 52.That is, when lens baffle plate 5 is accommodated in above-mentioned accepting regions 23A, when being less than the state closing peristome 231.Thus, accepting regions 23A in case body 2 (front shell 23) can be reduced.
On the other hand, the operating portion 511 of the first vane member 51 and the Y-direction side being arranged in this peristome 231 of upper surface 521 of the second vane member 52 and the region with Z-direction opposite side.That is, even if under the state opening peristome 231, the operating portion 511 of the first vane member 51 also will not be received in the 23A of accepting regions.Thus, operator is when peristome 231 is opened, it is also possible to easily hold operating portion 511.
Fig. 7 is the sectional view of the YZ plane lower section of the central shaft comprising projecting optical device 46 observing the projector 1 state that lens baffle plate 5 closes peristome 231 from face 2F side, right side, and Fig. 8 is the sectional view of the YZ plane lower section of the central shaft comprising projecting optical device 46 observing the projector 1 state that lens baffle plate 5 opens peristome 231 from face 2F side, right side.Additionally, Fig. 7 and Fig. 8 is the projector 1 under the state having dismantled front shell 23.
As shown in Figure 7 and Figure 8, the first vane member 51 has operating portion 511, holding section 512 and abutting part 513.
As it was previously stated, operating portion 511 is the part held by operator, be formed as surface 51A from the first vane member 51 Y-direction side end towards from this surface 51A away from the prominent tabular in direction.
Holding section 512 be the back side 51B from the first vane member 51 relative with operating portion 511 be positioned against from this back side 51B away from the prominent shape in direction.This holding section 512 is the position that the engaging portion 463 being configured in when lens baffle plate 5 closes peristome 231 in case body 2 is locking.
Abutting part 513 is from shape prominent towards the second vane member 52 side for the surface 51A of the first vane member 51, is the position that abuts against of the abutting portion 522 with the second vane member 52 described later.This abutting part 513 be arranged on on the end with Y-direction rightabout side (opening the side, direction of peristome 231) of the first vane member 51.
Second vane member 52 has upper surface 521 and abutting portion 522.
Upper surface 521 is the end face of the Y-direction side of the second vane member 52, is the position abutted for aforesaid operations portion 511.
Abutting portion 522 is from shape prominent towards the first vane member 51 side for the back side 52B of the second vane member 52, is the position that abuts against of the abutting part 513 with the first vane member 51.This abutting portion 522 is arranged in, from the end of the Y-direction side of the second vane member 52 (closing the side, direction of peristome 231) somewhat with the position of Y-direction rightabout side.I.e., owing to being provided with abutting portion 522 in the somewhat position with Y-direction rightabout side from upper surface 521, therefore as it is shown in fig. 7, in the case of being in the state that lens baffle plate 5 closes peristome 231, when observing this lens baffle plate 5 from Z-direction side, it is not easy to see this abutting portion 522.As such, it is possible to improve the outward appearance of lens baffle plate 5.
(deployment method of lens baffle plate)
As shown in Figure 7 and Figure 8, first vane member 51 of composition lens baffle plate 5 and the second vane member 52 are along rotation direction S, towards closing closing direction and opening the direction of this peristome 231 and move of peristome 231, this rotation direction S is P centered by the straight line along the X-direction vertical with the direction projected from projecting lens 461.Additionally, in rotation direction S, the direction being closed peristome 231 by lens baffle plate 5 is closedown direction S1, and the rightabout of this closedown direction S1 is opening direction S2.
Specifically, operator holds the operating portion 511 of the first vane member 51 of lens baffle plate 5 of state shown in Fig. 7.Then, when operator is to hold the state of operating portion 511, by this operating portion 511 towards opening direction S2 move time, the locking holding section 512 of engaging portion 463 is crossed this engaging portion 463, is moved towards opening direction S2.Then, the first vane member 51 guides the abutting portion 522 to the second vane member 52, moves along this second vane member 52 towards opening direction S2.So, when the first vane member 51 moves towards opening direction S2, this operating portion 511 abuts against with the upper surface 521 of the second vane member 52.If when the upper surface 521 of this operating portion 511 and the second vane member 52 abuts against, this operating portion 511 is made to move towards opening direction S2 further, the second vane member 52 then abutting to this operating portion 511 together moves towards opening direction S2 with the first vane member 51, becomes the state shown in Fig. 8.
(method for closing of lens baffle plate)
It addition, operator is to hold operating portion 511 state of the first vane member 51 of the lens baffle plate 5 under state shown in Fig. 8, this operating portion 511 is made to move towards closing direction S1.Thus, the first vane member 51 guides the abutting portion 522 to the second vane member 52, moves along this second vane member 52 to closing direction S1.Then, when the first vane member 51 moves along above-mentioned closedown direction S1, the abutting part 513 of this first vane member 51 abuts against with abutting portion 522.If when this abutting part 513 abuts against with abutting portion 522, operating portion 511 is made to move to closing direction S1 further, then abut against due to this abutting part 513 and abutting portion 522, thus the second vane member 52 is also closed direction S1 in the same direction and moved with the first vane member 51 1.And then, if by operating portion 511 towards closing direction S1 operation, then holding section 512 abuts against with engaging portion 463.Then, if making operating portion 511 move to closing direction S1 the most further, then engaging portion 463 is crossed in holding section 512, locking to this engaging portion 463, becomes the state shown in Fig. 7.
(effect of embodiment)
Projector 1 according to present embodiment, plays following fruit.
According to present embodiment, constitute the first vane member 51 of lens baffle plate 5 and the second vane member 52 when opening peristome 231, with the overlapping ranges bigger compared to the scope overlapped each other in the case of closing this peristome 231 and be contained.In case body 2, the first vane member 51 and space of the second vane member 52 is received hereby it is possible to reduce.Therefore, the miniaturization of projector 1 can be realized.
First vane member 51 and the second vane member 52 are formed along the convex camber of projecting lens 461 and the shape that formed, and these each vane members 51,52 move along above-mentioned rotation direction S.Accordingly, compared to using the situation of baffle plate of above-mentioned tabular, can shorten the face of Z-direction side and each vane member 51,52 in projecting lens 461 away from.Therefore, the case body 2 for receiving these projecting lens 461 and lens baffle plate 5 can be reduced.
The holding section 512 being had by the had engaging portion of case body 2 463 and the first vane member 51, can maintain the closed mode of peristome 231.Therefore, peristome 231 can reliably be closed by lens baffle plate 5
Such as, second vane member 52 is positioned at than the first vane member 51 more by the case of projecting lens 461 side, even if being moved towards above-mentioned opening direction S2 by the operating portion 511 being configured at the first vane member 51, this operating portion 511 also will not abut against with the second vane member 52.Therefore, in order to make this second vane member 52 move towards equidirectional with the first vane member 51, need on the first vane member 51, additionally arrange the structure abutted against with this second vane member 52.
In contrast, according to present embodiment, first vane member 51 is positioned at than the second vane member 52 more by projecting lens 461 side, the operating portion 511 being had due to this first vane member 51 abuts against with the second vane member 52, therefore by this operating portion 511 is operated, the second vane member 52 can be made to move towards above-mentioned opening direction S2.Therefore, it is possible not only to simplify the structure of the first vane member 51, it is also possible to the first vane member 51 to the movement of above-mentioned opening direction S2, make the second vane member 52 reliably move to equidirectional.
In the present embodiment, if making the first vane member 51 move to above-mentioned closedown direction S1, then the abutting part 513 of the first vane member 51 abuts against with the abutting portion 522 of the second vane member 52.Accordingly, the second vane member 52 can be made reliably to move to equidirectional with the first vane member 51 to the movement of above-mentioned closedown direction S1.
Observe from projecting direction side (Z-direction side), the position of the otch side (with Y-direction rightabout side) that the first vane member 51 and the second vane member 52 are housed in the shape of projecting lens 461.Accordingly, this first vane member 51 and the second vane member 52 can be arranged in case body 2 space not used.Therefore, it can make full use of the dead-space volume in case body 2, each vane member 51,52 is received, therefore can promote the miniaturization of case body 2, and then the miniaturization of projector 1 can be promoted.
(deformation of embodiment)
The present invention is not limited to an above-mentioned embodiment, is all contained in the present invention in deformation, the improvement etc. that can realize carrying out in the range of the purpose of the present invention.
In the above-described embodiment, lens baffle plate 5 has the first vane member 51 and the second vane member 52 as multiple vane members.But, the present invention is not limited to this.Such as, lens baffle plate 5 is in addition to having the first vane member 51 and the second vane member 52, it is also possible to possess the 3rd vane member.That is, lens baffle plate 5 can possess plural vane member.
In the above-described embodiment, the shape of the first vane member 51 and the second vane member 52 is that image is projected the face of direction (Z-direction) side and is formed in the convex camber of projecting lens 461.But, the present invention is not limited to this.Such as, the first vane member 51 and the second vane member 52 can be tabulars.Accordingly, even if the first vane member and the second vane member are tabulars, the first vane member being accommodated under the state in the 23A of accepting regions and the surface area of the second vane member are less than this first vane member under the state closing peristome 231 and the surface area of the second vane member, thus can reduce the accommodation space of case body 2.
In the above-described embodiment, engaging portion 463 is connected on the projecting lens 461 that is configured in case body 2.But, the present invention is not limited to this.For example, it is possible to engaging portion 463 is arranged in the front shell 23 constituting case body 2, it is also possible to this engaging portion 463 is arranged on upper shell 21.
In the above-described embodiment, the first vane member 51 is arranged in than the second vane member 52 by projecting lens 461 side.But, the present invention is not limited to this.For example, it is also possible to the second vane member 52 is arranged in than the first vane member 51 by projecting lens 461 side.In this case, as long as the abutting part abutted against with the second vane member 52 is arranged on the first vane member 51.Accordingly, by making the operating portion 511 being arranged on the first vane member 51 move to opening direction S2, the first vane member 51 and the second vane member 52 can be made to move to opening direction S2.
In the above-described embodiment, the first vane member 51 has abutting part 513, and the second vane member 52 has abutting portion 522, and abutting part 513 abuts against with abutting portion 522.But, the present invention is not limited to this.Such as, each vane member 51,52 can not possess abutting part 513 and abutting portion 522.In this case, such as, as long as arranging operating portion on the second vane member 52 further, it is possible to by respectively the operating portion of the operating portion 511 being arranged on the first vane member 51 and this second vane member 52 being operated, open and close peristome 231.
In the above-described embodiment, it is not provided with for lens baffle plate 5 (first vane member 51 and the second vane member 52) being carried out locking engaging portion when opening peristome 231.But, the present invention is not limited to this.For example, it is possible to be provided for further, when opening peristome 231, the abutting part 513 of the first vane member 51 is carried out locking engaging portion on lower house 22 or front shell 23.Thus, owing to can lens baffle plate 5 be carried out locking when opening peristome 231, even if therefore under the state such as using projector 1 with hanging state, it is also possible to be maintained open the state of peristome 231.
In the above-described embodiment, in the case of opening and close peristome 231, it is not provided with ways (such as gathering sill etc.), for when making the first vane member 51 and the second vane member 52 to opening direction S2 and closing that either direction moves in the S1 of direction, the first vane member 51 and the second vane member 52 being guided.But, the present invention is not limited to this.For example, it is also possible in the first vane member 51 and the second vane member 52 at least one party, arrange to above-mentioned opening direction S2 and close the ways that either direction moves in the S1 of direction.Thus, it is possible to make the first vane member 51 and the second vane member 52 move with more stable state.
In the above-described embodiment, the peristome 231 that accepting regions 23A is arranged in front shell 23 with Y-direction rightabout side, i.e. observe projecting lens 461 from Z-direction side, the region of side that the end side of circle is cut.But, the present invention is not limited to this.For example, it is possible to accepting regions to be arranged on the Y-direction side of peristome 231, X-direction side and the either side with X-direction rightabout side.
In the above-described embodiment, it is illustrated as a example by the projector 1 of short focus type.It addition, the shape of the shape that the first vane member 51 and the second vane member 52 are the convex camber along projecting lens 461.But, the invention is not limited in this.Such as, lens barrier 5 can also be applied to the projector possessing the shape lens different from this projecting lens 461.That is, as long as by the shape being shaped so as to lens along above-mentioned different shape of the first vane member 51 and the second vane member 52, then can be used in the projector of any purposes.
In the respective embodiments described above, optical unit 4 is configured to respectively along back part 2D and the substantially L-shaped of right side face 2F, but, the invention is not limited in this.For example, it is also possible to use the optical unit being configured to substantially U-shaped.
In the respective embodiments described above, employ the liquid crystal board 453 of the beam incident surface transmission-type different from beam exit surface, but the liquid crystal board of the reflection-type that light entrance face is identical with light emergence face can also be used.
In the respective embodiments described above, projector 1 possesses three liquid crystal boards 453R, 453G, 453B, but, the invention is not limited in this.That is, the present invention can also be applied in employing the projector of liquid crystal board 453 of less than two or more than four.
In the respective embodiments described above, employ the liquid crystal board 453 of the light entrance face transmission-type different from light emergence face, but the liquid crystal board of the reflection-type that light entrance face is identical with light emergence face can also be used.Additionally, as long as incident beam can be modulated and forms the optic modulating device of the image corresponding with image information, the device that make use of micro mirror can also be used, such as the optic modulating device beyond device that make use of DMD (DigitalMicromirrorDevice) etc. etc., liquid crystal.
In the above-described embodiment, light supply apparatus 41 is configured to have illuminator 411 and makes the structure of reflector 412 of luminous reflectance from illuminator 411 injection.But, the invention is not limited in this.Such as, the quantity of illuminator both can be two, it is also possible to is more than three.It addition, be not limited to light supply apparatus 41 there is the structure of illuminator 411, it is also possible to be configured to the structure with the solid light source such as LED (LightEmittingDiode), LD (LaserDiode).
Claims (6)
1. a projector, including:
Case body, constitutes shell, and has peristome；
Projecting lens, is configured in described case body, and the projection picture via described peristome；And
Baffle plate, carries out opening and closing to described peristome,
It is characterized in that,
Described baffle plate has multiple vane member, the plurality of vane member overlaps at least partially, and move to opening direction and open described peristome, move to closedown direction and close at least some of of described peristome, described opening direction is the direction carrying out rotating centered by the axle perpendicular with the projecting direction of the described image carried out by described projecting lens, described closedown direction is the direction contrary with described opening direction
The respective overlapping range of the plurality of vane member that described peristome is under the state opened is more than the respective overlapping range of the plurality of vane member under the state that described peristome is in closedown.
Projector the most according to claim 1, it is characterised in that
Described projecting lens has the shape that the ora terminalis of described projecting direction side bloats to described projecting direction side,
In the plurality of vane member at least any one has the shape of the convex camber along described projecting lens.
Projector the most according to claim 1 and 2, it is characterised in that
Described case body has engaging portion, and this engaging portion is used at the locking the plurality of vane member in the pent position of described peristome,
In the plurality of vane member at least any one has holding section, this holding section is for locking and maintain the closed mode of described peristome by described engaging portion.
Projector the most according to any one of claim 1 to 3, it is characterised in that
The plurality of vane member includes:
First vane member, is configured at described projecting lens side；And
Second vane member, is configured at and described projecting lens opposite side relative to described first vane member；
Described first vane member has operating portion,
When making described first vane member move to described opening direction, described operating portion abuts with described second vane member, makes described second vane member move to described opening direction.
Projector the most according to claim 4, it is characterised in that
Described first vane member has abutting part in the end of the described opening direction side of this first vane member, and this abutting part can abut against with described second vane member,
Described second vane member has abutting portion, this abutting portion is positioned at the end of the side, described closedown direction of described second vane member, when described first vane member moves to described closedown direction, described abutting portion abuts against with described abutting part and makes described second vane member move to described closedown direction.
Projector the most according to any one of claim 1 to 5, it is characterised in that
When observing from described projecting direction side, described projecting lens has the shape that round end side is cut out,
When observing from described projecting direction side, the plurality of vane member is accommodated in the position of described end side, thus opens described peristome.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015-010069 | 2015-01-22 | ||
| JP2015010069A JP2016133755A (en) | 2015-01-22 | 2015-01-22 | projector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105824174A true CN105824174A (en) | 2016-08-03 |
| CN105824174B CN105824174B (en) | 2018-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610029194.7A Active CN105824174B (en) | 2015-01-22 | 2016-01-18 | Projecting apparatus |
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| Country | Link |
|---|---|
| JP (1) | JP2016133755A (en) |
| CN (1) | CN105824174B (en) |
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| CN111290201A (en) * | 2018-12-07 | 2020-06-16 | 深圳光峰科技股份有限公司 | Projection device and cover door assembly thereof |
| US11753999B2 (en) | 2021-06-17 | 2023-09-12 | General Electric Company | Gas turbine sensor assembly and associated shutter mechanism |
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| CN102681306A (en) * | 2011-03-15 | 2012-09-19 | 精工爱普生株式会社 | Projector |
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| CN1955838A (en) * | 2005-10-28 | 2007-05-02 | 乐金电子（沈阳）有限公司 | Lens cover of projector |
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| CN111290201A (en) * | 2018-12-07 | 2020-06-16 | 深圳光峰科技股份有限公司 | Projection device and cover door assembly thereof |
| CN111290201B (en) * | 2018-12-07 | 2021-09-28 | 深圳光峰科技股份有限公司 | Projection device and cover door assembly thereof |
| US11753999B2 (en) | 2021-06-17 | 2023-09-12 | General Electric Company | Gas turbine sensor assembly and associated shutter mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105824174B (en) | 2018-04-17 |
| JP2016133755A (en) | 2016-07-25 |
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