JP2008076806A - Projector and carrying case - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a projector which has a carrying case, can start to be used with simple preliminary work etc., is less likely to damage a main body during the preliminary work and is hardly disturbed by the carrying case in projection, and to provide the carrying case. <P>SOLUTION: When the projector 10 is used, a projection opening closing/opening member 43c is moved to an opening position from a closing position, and fixed to a holding member 43e. Thereby, a light transmission opening 43a is opened and a projection lens 11 is exposed. Then, a finger is inserted into an opening 41a to operate the lever 63 of an adjusting member 62, thereby adjusting an amount of projection of a front leg member 61 and hence adjusting the angle of the inclination of a projector body 20. In this state, a remote controller light transmission part 43h is disposed in the front face of a remote controller light receiving part 12 and ventilation sections 43g and 41d are disposed opposite a front face exhaust port 13 and a rear face intake port 18. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

The present invention relates to a projector having a carrying case and its carrying case,
In particular, the present invention relates to a projector and the like that can simplify installation of a projector and preparation for projection in use.

A portable projector is provided with a carrying case for storing and transporting, and the projector is often carried and carried in such a carrying case (see, for example, Patent Documents 1 and 2).

When trying to use a projector stored in a conventional carrying case, first take out the projector from the carrying case, then install the projector in an appropriate location, and connect the power cable. It was.

Another projector is provided with a case that is slidable with respect to the main body, and by pulling out the main body from the case as appropriate, a ventilation port that communicates with the blower fan is formed at the rear of the case (see Patent Document 3). ).
JP 2006-55552 A Utility Model Registration No. 312146 JP 2005-92098 A

However, for a projector transported in a carrying case, it is necessary to take out the projector from the carrying case every time the projector is used, and the preparation work is complicated. Further, when the projector is taken out, the hand may be slid to drop on the floor or the like, and as a result, the projector may be seriously damaged. Further, the carrying case after the projector is taken out becomes unnecessary during the subsequent image projection. In particular, when the projector must be used in a narrow space, there are many cases where the carrying case is not placed, which makes it difficult to handle.

In the case of a projector of a type having a slidable case, the front and rear depth of the case only substantially expands and contracts. When transporting while protecting the projector, the entire projector is stored in an appropriate carrying case. There is a need to. In this case as well, there are problems such as the complexity of preparation work for removing the projector from the carrying case and the place where the carrying case is placed.

Therefore, the present invention is a projector that is transported by a carrying case, and is a projector that is easy to prepare for start of use and has a low possibility of damaging the main body during the preparation work, and the carrying case is unlikely to become an obstacle during projection. The purpose is to provide a carrying case.

In order to solve the above problems, a projector according to the present invention includes a projector main body and a carrying case that houses the projector main body. Here, the carrying case can expose at least a part of the projection light emitting portion provided in the projector body to the outside of the carrying case when the projector body is stored in the carrying case. It is configured. In this section and the following, the term “projector body” means a part that functions as a conventional projector. Generally, various components such as a light source, a light modulation unit, a projection lens, and a control circuit are included in the body case. It is what was stored in. In the “projector body”, the “projection light emitting unit” is a part that emits a projection image and projects it onto the screen, and is a light emission side part of a normal projection lens. In addition, the term “projector”
It means a projector equipped with a conventional projector and a special “carrying case” for storing it.

In the projector described above, when the carrying case is housed in the carrying case, at least a part of the projection light emitting portion provided in the projector main body can be exposed to the outside. The projection light can be emitted as it is from the projection light emitting unit of the projector body in the housed state. In other words, since the projector body can be operated without removing the projector body from the carrying case, the preparation work for starting the projector is easy, and there is no possibility of damaging the projector body during the preparation work. Can increase the sex.
Further, since the projector main body can be used while being housed in the carrying case, the operation sound of the projector can be reduced. Furthermore, since the projector main body can be integrally stored in the carrying case even during projection, there is no problem with the place where the carrying case is placed.

In a specific aspect or viewpoint of the present invention, in the projector, the carrying case includes an open state in which the projection light emitting unit is at least partially exposed and a closed state in which the projection light emitting unit is not exposed. Projection opening / closing part that can be switched between. In this case, by making the projection opening / closing part of the carrying case open, the projection light can be emitted outside the carrying case and incident on the projection screen, and the projection case opening / closing part of the carrying case is closed. By doing so, the projection light emitting section can be protected from the external environment.

In another aspect of the present invention, the carrying case includes holding means for holding the projection opening / closing part in either the open state or the closed state. In this case, the state of the projection opening / closing part can be stably maintained in any one of the states, and for example, it is possible to reliably prevent the projection opening / closing part from being closed and causing trouble during projection.

In another aspect of the present invention, the carrying case further includes a ventilation portion that allows ventilation between the ventilation opening provided in the projector main body and the outside of the carrying case when the projector main body is housed in the carrying case. In this case, it is possible to prevent the cooling efficiency from being lowered due to the ventilation opening of the carrying case being blocked during the operation of the projector main body housed in the carrying case.

In yet another aspect of the present invention, the ventilation section includes a plurality of ventilation holes and a mesh member that faces the ventilation opening of the projector main body when the projector main body is stored in the carrying case. In this case, the ventilation part can have a simple structure that does not require opening and closing, and
Reliable ventilation can be ensured.

In yet another aspect of the present invention, when the carrying case stores the projector main body in the carrying case, the remote control light receiving unit provided in the projector main body can receive remote control light from the outside of the carrying case. The unit is further provided. In this case, when the projector main body stored in the carrying case is in operation, the operation of the projector main body can be remotely controlled.

In yet another aspect of the present invention, when the carrying case stores the projector main body in the carrying case, at least part of the height adjustment direction side of the height adjusting portion provided in the projector main body is disposed on the carrying case. It further includes an adjustment allowing portion that is exposed to the outside. In this case, it is possible to adjust the installation posture of the projector body by adjusting the arrangement of the height adjustment unit of the projector body housed in the carrying case, and it is possible to adjust the angle of the projection light from the projector body.

In still another aspect of the invention, the adjustment allowing portion includes an adjustment opening that exposes a support member that is included in the height adjustment portion and is displaced with respect to the projector main body. In this case, it is possible to perform posture adjustment in which a necessary amount of the support member of the height adjustment unit is exposed from the adjustment opening.

In still another aspect of the invention, the carrying case further includes a holder portion that positions and fixes the projector main body to the carrying case when the projector main body is housed in the carrying case. In this case, the projector main body and the carrying case can be accurately positioned and fixed with an extremely simple configuration.

The carrying case according to the present invention is for housing the projector body,
When the projector main body is housed in the carrying case, at least a part of the projection light emitting portion provided in the projector main body on the emission direction side can be exposed to the outside of the carrying case.

In the above carrying case, when the projector body is stored in the carrying case,
Since at least a part of the projection light emitting part provided in the projector main body can be exposed to the outside, the projection light is emitted as it is from the projection light emitting part of the projector main body that is housed in the carrying case. Can be made. That is, preparation work for starting use of the projector is simple, and there is no possibility of damaging the projector body during the preparation work, so that the reliability of the projector can be improved. Further, since the projector main body can be used while being housed in the carrying case, the operation sound of the projector can be reduced. Furthermore, since the projector main body and the carrying case can be integrated even during projection, there is no problem with the location of the carrying case.

In a specific aspect of the present invention, the carrying case can be switched between an open state in which the projection light emitting unit is at least partially exposed and a closed state in which the projection light emitting unit is not exposed. A projection opening / closing part is provided.

In another aspect of the present invention, the projector further includes a ventilation unit that allows ventilation between the ventilation port provided in the projector main body and the outside when the projector main body is stored.

In still another aspect of the present invention, the remote control light receiving portion provided in the projector main body further includes a remote control light transmitting portion that can receive external remote control light when the projector main body is stored.

According to still another aspect of the present invention, the projector further includes an adjustment permission unit that exposes at least a part of the height adjustment direction side of the height adjustment unit provided in the projector main body to the outside when the projector main body is stored. .

According to still another aspect of the present invention, the projector further includes a holder portion for positioning and fixing the projector body when the projector body is stored.

[First Embodiment]
FIG. 1 is a perspective view showing an appearance of the projector according to the first embodiment of the present invention in use, and FIG. 2 is a perspective view showing the inside of a carrying case in the projector shown in FIG. FIG. 3 is a perspective view showing an open state of the inside of the projector housing the projector main body.

As shown in FIG. 1 and the like, the projector 10 of the present embodiment includes a projector body 20 having an image projection function and a carrying case 30 for housing and protecting the body. For example, the projector 10 is placed on a table TA. Then, the image light IL is emitted toward a front screen (not shown). Here, the projector body 20 can have the same appearance and function as a general projector. The projector main body 20 can be taken out from the carrying case 30 and can be used alone. However, in this embodiment, the projector main body 20 is integrated with the carrying case 30 in a state of being mainly housed in the carrying case 30. The case of operating in the following will be described.

The carrying case 30 has a flat rectangular parallelepiped appearance, and is a box-shaped container-like case body 31.
And a case lid portion 33 that covers the upper portion of the case main body 31. These case bodies 31
As shown in FIG. 2, the case lid 33 is connected via a hinge portion 32, and allows the case lid 33 to open and close with respect to the case body 31.

The case body 31 includes a rectangular and plate-shaped bottom surface portion 41, a pair of side walls 42 and 42 connected to both sides in the longitudinal direction of the bottom surface portion 41, and a front wall 43 connected to the front side of the bottom surface portion 41 in the short direction. The rear wall 44 connected to the rear side in the short direction of the bottom surface portion 41 and the partition wall 45 extending from the front wall 43 to the rear wall 44 are provided. These bottom face part 41, walls 42-44, and partition wall 45
Is a plate-like member incorporating a cushioning material made of a resin foam or the like, and can maintain the box-shaped three-dimensional shape of the case body 31, and the projector 10 housed in the carrying case 30 can be externally mounted. It can be protected from impact.

The carrying case 30 is divided into two space areas AR1, AR2 by a partition wall 45.
As shown in FIG. 3, the projector main body 20 is normally stored in one space area AR1, and the other space area AR2 is connected to the projector main body 20 especially when the projector 10 is transported. A power cable 51, a computer cable 52, and the like are housed.

Fastener elements 53 are provided along the upper edges of the walls 42, 42, 43 of the case body 31. Further, around the case lid 33, the walls 42, 42,
Fastener elements 54 are provided corresponding to 43. Both fastener elements 53,
54 can be opened and closed in two directions by two sliders 55 and 55.

The bottom surface portion 41 of the case body 31 has an opening 4 that exposes a front leg member (not shown) as a support member of the projector body 20 on the space area AR1 side for the projector body 20.
1a, holders 41b and 41b for fixing a rear leg member (not shown) of the projector main body 20, and a rectangular ventilation portion 41d that faces the lower surface air inlet (not shown) of the projector main body 20 and ensures its air permeability. Is provided. Among these, the opening 41a is a part that functions as an adjustment allowing portion or an adjustment opening.

4A is a plan view of the opening 41a, and FIG. 4B is a side sectional view of the opening 41a. As is clear from the drawing, the opening 41 a has a keyhole-shaped opening shape so that the user's finger can be passed along with the front leg member 61 of the projector main body 20. By using the opening 41a, the lever 63 of the adjustment member 62 that supports the front leg member 61 is operated, and the front leg member 61 is moved forward and backward with respect to the projector main body 20, whereby the inclination angle of the projector main body 20 with respect to the front-rear direction. Can be fine-tuned. Here, the front leg member 61 and the adjustment member 62 serve as a height adjustment unit for adjusting the posture of the projector main body 20.

Note that an adjustment port opening / closing member 41g for opening / closing the opening 41a may be provided at the position of the opening 41a in the bottom surface portion 41. Such an adjustment port opening / closing member 41g is sewn or screwed to the bottom surface portion 41 at a hinge portion HG provided at one end, and is formed by a magic tape (registered trademark) -like engagement member 41j provided at the other end. It can be held in an open state and a closed state.

FIG. 4C is a side sectional view of the holders 41b and 41b. The holders 41b and 41b are holder portions for positioning and fixing the projector main body 20 to the carrying case 30, and as is apparent from the figure, are formed of rubber bush-shaped concave members, and the rear leg members 64, 64 is fitted and fixed to the case body 31 side. That is, the holder 4
The rear part of the projector main body is supported by 1b and 41b.

Here, the distance between the centers of the holders 41b and 41b and the rear leg member 6 of the projector main body 20 are shown.
The shape of the recesses of the holders 41b and 41b to which the 4 and 64 are fitted is respectively the projector body 2
The distance between the centers of the rear leg members 64, 64 and the outer shape of the rear leg members 64, 64 is set to be 0, and the rear leg members 64, 64 of the projector body 20 are attached to the holders 41b, 41.
The projector body 20 and the carrying case 30 are positioned by being fitted to b.
The holders 41b and 41b may be resin bushes or metal bushes instead of rubber bushes. However, if rubber bushes are used, the outer dimensions of the rear leg members 64 and 64 and the recess dimensions of the holders 41b and 41b By appropriately setting to a desired size, it is possible to press-fit with the elasticity of the rubber bush, and the projector body 20 and the carrying case 30 can be easily positioned and fixed.
Note that the function required for the conventional carrying case is simply to store the projector body or to protect the projector body when the projector is being transported. Therefore, the necessity of accurately positioning the projector body with respect to the carrying case is very high. There wasn't. However, when the carrying case 30 is provided with various configurations corresponding to the arrangement of the various functional units of the projector main body 20 like the above-described and carrying case 30 of the present embodiment described later, the accuracy of the projector main body 20 and the carrying case 30 will be described. Good positioning is an important technical issue. In this embodiment, since the projector main body 20 and the carrying case 30 can be positioned and fixed with high accuracy with an extremely simple configuration as described above, its technical value is extremely high.

Returning to FIG. 2 etc., the ventilation part 41d is a mesh member, and has many ventilation holes as a lattice-shaped gap. This ventilation part 41d enables ventilation between a back surface intake port (not shown) which is a ventilation port provided in the projector main body 20 and the outside. As a result, the carrying case 3
During the operation of the projector main body 20 housed in 0, it is possible to prevent the cooling efficiency from being lowered due to the back inlet of the projector main body 20 being blocked.

A handle 57 is attached to the side wall 42 on the left side of the case body 31 so that the user can hold the projector 10 when transporting the projector 10, and the side wall 42 on the right side of the drawing 4 is prevented from coming into close contact with the ground. Two small projecting legs (not shown) are provided. In place of the handle 57 as shown, a shoulder belt whose length can be adjusted can be provided.

The front wall 43 of the case main body 31 has a light transmission port 43a that exposes the emission side of the projection lens 11 that is a projection light emission unit of the projector main body 20, and a projection for exposing or closing the light transmission port 43a. A mouth opening / closing member 43c and a holding member 43 for holding the projection opening / closing member 43c.
d, 43e, a rectangular ventilation portion 43g that faces the front exhaust port (not shown) of the projector main body 20 and ensures its air permeability, and remote control light transmission that optically exposes the remote control light receiving portion 12 of the projector main body 20. Part 43h.

The light transmission port 43a is a circular opening formed so as to cut out the front wall 43, and has an inner diameter comparable to the outer diameter of the projection lens 11 of the projector main body 20 in the emission direction.
Permeate L without blocking. The projection opening / closing member 43c is a disk-shaped member, and is sewn or screwed to the front wall 43 at a hinge portion HG provided at a part of the edge.
The projection opening / closing member 43c is between an open state (see FIG. 1) in which the tip of the projection lens 11 is exposed to the outside and a closed state (see FIG. 2) in which the projection lens 11 is not exposed. It is possible to switch with. The projection opening / closing member 43c is locked to the holding member 43e in the open state, and is locked to the holding member 43d in the closed state. That is, the projection opening / closing member 43c is reliably held in either the open state or the closed state by the two holding members 43e and 43d as the holding means. The projection opening / closing member 43c and the holding members 43e and 43d are provided with a detachable means in the form of Velcro (registered trademark). That is, both holding members 43
On the surface of e and 43d, an engaging member having a loop shape or a hook shape is formed, and an engaging member having a loop shape or a hook shape is also formed on the projection 43j of the projection opening / closing member 43c. Thus, the projection 43j can be easily and securely attached to and detached from the holding members 43e and 43d.

The ventilation portion 43g is a mesh member, and has a large number of ventilation holes as lattice-shaped gaps. The ventilation portion 43g enables ventilation between a front exhaust port (not shown) that is a ventilation port provided in the projector main body 20 and the outside. Thereby, during the operation of the projector main body 20 housed in the carrying case 30, it is possible to prevent the front exhaust port of the projector 20 from being blocked and the cooling efficiency from being lowered.

The remote control light transmitting portion 43h is a member in which a member such as a film or a plate that selectively transmits infrared light is inserted into an opening formed so as to cut out the front wall 43. The remote control light transmitting unit 43 h is a remote control light receiving unit 12 provided with remote control light, that is, infrared light from a remote control (not shown) for the user to remotely operate the projector main body 20.
Is allowed to enter.

A cable opening 44 b is formed at an appropriate position of the rear wall 44 in the case body 31. In use, the power cable 51 and the computer cable 52 extending from the projector main body 20 are connected to the space area AR1 from the space area AR1 through the opening 45b provided in the partition wall 45.
And extends outward from the space area AR2 through an opening 44b provided in the rear wall 44.

FIG. 5 is a perspective view of the projector main body 20 housed in the carrying case 30 described above, and FIGS. 6A to 6C are the projector main body 20, respectively.

The projector main body 20 has an optical system and an electric circuit housed in a main body case 20a. As shown in FIG. 6A, the operation panel 15 and the lens driving lever 1 are provided on the upper surface 20d.
6 is provided. The operation panel 15 is a part that is operated by the user to switch or adjust the operation state of the projector main body 20, and the lens driving lever 16 is a part that the user manually performs zooming and focusing of the projection lens 11. .

As shown in FIG. 6B, the front end portion of the projection lens 11, the remote control light receiving portion 12, and the front exhaust port 13 are disposed on the front surface 20 c of the projector main body 20. When the projector body 20 is housed in the carrying case 30, the light transmission port 43 a is disposed so as to be positioned in front of the projection lens 11, and the remote control light transmission unit 43 h is disposed so as to be positioned in front of the remote control light receiving unit 12, A ventilation portion 43g is arranged so as to face the front exhaust port 13.

As shown in FIG. 6C, a front leg member 61 and rear leg members 64, 64 are arranged on the bottom surface 20 e of the projector main body 20. Further, the bottom surface 20e of the projector body 20 has
A rear intake 18 is also provided. When the projector main body 20 is housed in the carrying case 30, the opening 41 a is disposed so as to be positioned directly below the front leg member 61, and the rear leg member 64,
Holders 41b and 41b (see FIG. 2) are disposed at positions corresponding to 64, and a ventilation portion 41d is disposed so as to face the bottom surface intake port 18.

Although not shown on the rear side of the projector body 20, a power cable 51 is not shown.
A connector portion 19 for connecting the computer cable 52 and the like to the internal circuit is formed (see FIG. 6B).

FIG. 7 is a block diagram conceptually illustrating the internal structure of the projector body 20. In addition to the main body case 20a, the projector main body 20 includes a main optical device 71 also called an optical engine unit, a power supply device 72 that supplies power to a lamp light source, a cooling fan unit 73 for air-cooling the lamp light source, and the like. And a circuit device 74 for controlling the operation of the entire apparatus. The circuit device 74 is composed of electronic components mounted on a printed circuit board, and is housed in an appropriate place in the main body case 20a. However, in the drawing, it is displayed outside the main body case 20a.

Among these, the main optical device 71 functions as an image optical device for image formation and image projection,
A light source device 81 that generates illumination light with uniform light source light, and the illumination light that has passed through the light source device 81 is red
A separate illumination system 82 that separates into three colors of green and blue, a light modulator 83 that is illuminated by illumination light of each color emitted from the separate illumination system 82, and a modulated light of each color that has passed through the light modulator 83 are combined. A cross dichroic prism 84 and a projection lens 11 for projecting image light emitted from the cross dichroic prism 84 are provided.

Here, the light source device 81 includes a lamp unit 81a that forms a light source beam and the lamp unit 81a.
And a uniformizing optical system 81b for converting the light source light emitted from the light into uniform illumination light having a predetermined polarization direction. The separate illumination system 82 includes first and second dichroic mirrors 82a and 82b, and separates the illumination light into three light beams of red light LR, green light LG, and blue light LB. The light modulation unit 83 includes three liquid crystal light valves 83 on which the three colors of illumination lights LR, LG, and LB are respectively incident.
r, 83g, 83b, and intensity-modulates each color light LR, LG, LB in units of pixels according to the drive signal. The cross dichroic prism 84 includes intersecting dichroic films 84a, 8
4b, and emits image light IL obtained by synthesizing modulated light from the liquid crystal light valves 83r, 83g, 83b. The projection lens 11 projects the image light IL synthesized by the cross dichroic prism 84 as a color image on a screen (not shown) at an appropriate magnification.

The circuit device 74 includes an image processing unit 91 to which an external image signal such as a video signal is input, a light valve driving unit 92 that drives the liquid crystal light valves 83r, 83g, and 83b based on the output of the image processing unit 91, A panel circuit 93 for the operation panel 15 operated by the user, and a main control unit 95 that comprehensively controls operations of these circuit portions 91, 92, 93, 12 and the like.
The main control unit 95 executes a command instructed by the user with the remote control based on the detection output of the remote control light receiving unit 12 that receives the remote control light.

Hereinafter, a method of using the projector 10 of the present embodiment will be described. Projector 10
When transporting the case, one space region A of the case body 31 constituting the carrying case 30 is used.
The projector body 20 is housed in R1, and the power cable 51 is placed in the other space area AR2.
Accommodating accessories such as the computer cable 52 and the like, the case body 31 as a whole is covered with the case lid 33.
And the case lid 33 is fixed by engaging the fastener.

When the projector 10 is used, the projector 10 is placed on the table TA, and the case lid 33 is opened by removing the fastener. Thereafter, the power cable 51 and the computer cable 52 extending from the connector portion 19 of the projector main body 20 are extended to the outside through the opening 44b provided in the rear wall 44 of the carrying case 30, and connected to the power source and the computer. Thereafter, the case body 31 is covered with the case lid portion 33 and the case lid portion 33 is fixed by engagement of the fasteners. Next, by changing the projection opening / closing member 43c from the closed state to the holding member 43e, the light transmission opening 43a is opened and the projection lens 11 is exposed to the outside. Next, by inserting a finger into the opening 41 a and operating the lever 63 of the adjustment member 62, the protrusion amount of the front leg member 61 is adjusted, and the inclination angle of the projector body 20 is adjusted. In this state, the remote control light transmitting portion 43h is disposed in front of the remote control light receiving portion 12, and the ventilation portions 43g and 41d are disposed so as to face the front exhaust port 13 and the rear intake port 18. Thereafter, the main optical device 71, the circuit device 74, and the like are operated as appropriate to project a necessary image on a screen disposed in front of the projection lens 11.

After the projection of the image by the projector 10, the adjustment member 62 is returned to the original position, the front leg member 61 is accommodated in the case body 31, and the projection opening / closing member 43c is changed from the open state to the closed state and fixed to the holding member 43d. Open the case lid 33 and connect the power cable 51 and the like
Store in R2. Finally, the case main body 31 is covered with the case lid 33 and the case lid 33 is fixed by the engagement of the fasteners.

According to the projector 10 of the present embodiment, it is possible to emit the projection light as it is from the projection lens 11 of the projector main body 20 in a state of being housed in the carrying case 30. That is, since the projector main body 20 can be operated without being taken out of the carrying case 30, preparation work for starting the use of the projector 10 is easy, and there is no possibility of damaging the projector main body 20 during the preparation work. Can improve the reliability. Further, since the projector body 20 can be used while being housed in the carrying case 30, the operation sound of the projector 10 can be reduced and it is environmentally friendly. Furthermore, since the projector body 20 can be integrally stored in the carrying case 30 even during image projection, there is no problem with the place where the carrying case 30 is placed. Further, in the conventional carrying case 30, the projector 10 needs to be frequently taken in and out of the carrying case 30, and thus the interior space of the carrying case 30 is designed to be larger than the outer shape of the projector 10, but the projector 10 according to the present embodiment. In this case, since frequent insertion and removal of the projector main body 20 is not necessary, it is not necessary to increase the internal space of the carrying case 30 beyond that of the accessory. Therefore, the carrying case 30 can be downsized to a level close to the size of the projector 10.

[Second Embodiment]
Hereinafter, the projector according to the second embodiment will be described. Note that the projector according to the second embodiment is obtained by partially changing the projector according to the first embodiment, and the same portions are denoted by the same reference numerals and redundant description is omitted. In addition, parts that are not particularly described are the same as those in the first embodiment.

FIGS. 8A and 8B are perspective views for explaining the open state of the projector 110 according to the second embodiment. In this case, the case lid part 133 is composed of two parts 133A and 113B.
It can be opened and closed independently. Fastener elements 153 and 154 are provided between the two parts 133A and 133B. By connecting or separating both parts 133A and 133B, the case main body 31 can be opened and closed in units of each part 133A and 133B. It has become.

In the projector 110, for example, only one portion 133B of the case lid portion 133 can be opened, and the power cable 51 or the like already connected to the projector body 20 can be pulled out. In this state, the projection opening / closing member 43c The desired image can be projected onto the screen arranged in front of the projector 110 by adjusting the amount of protrusion of the front leg member 61 by opening the front leg member 61 and appropriately operating the main optical device 71, the circuit device 74, and the like. it can.

In addition, this invention is not restricted to said embodiment, In the range which does not deviate from the summary, it can be implemented in a various aspect, For example, the following deformation | transformation is also possible.

In the above embodiment, the light transmission port 43a for exposing the projection lens 11 is a simple opening, but the light transmission port 43a may be closed with a transparent film or a transparent plate. in this case,
The projection opening / closing member 43c can be omitted. The remote control light transmitting portion 43h can also be replaced with a transparent film or a transparent plate.

Moreover, in the said embodiment, although the projection opening / closing member 43c which makes the light transmission port 43a an open state or a closed state is provided, such a projection port opening / closing member 43c is abbreviate | omitted and the light transmission port 43a always open | released. It can also be. Similarly, the ventilation portion 41d, the remote control light transmission portion 43h, the ventilation portion 43g, and the like can be always opened as mere openings.

In the above embodiment, the projection opening / closing member 43c is fixed to the front wall 43 and cannot be separated. However, the projection opening / closing member 43c can be a separate member that can be attached to and detached from an appropriate place on the front wall 43.

Moreover, the ventilation parts 41d and 43g are not restricted to what is formed with a fixed mesh. For example, in the ventilation parts 41d and 43g, a structure similar to the light transmission port 43a and the projection port opening / closing member 43c provided on the exit side of the projection lens 11 can be provided, and in this case, a mesh portion can be left.

In the above embodiment, the two space areas AR1 and AR2 are provided in the carrying case 30, but the space area AR2 for storing the power cable 51 and the like may be omitted.

In the above embodiment, the light source device 8 is used as the main optical device 71 of the projector main body 20.
1, separate illumination system 82, light modulator 83, cross dichroic prism 84, projection lens 1
1 is exemplified, but the optical system of the projector main body 20 is not limited to the above-described configuration example, and various optical systems can be employed depending on the application. For example, the light modulation unit 83 can be configured by a digital micromirror device instead of a liquid crystal panel.

It is a perspective view which shows the external appearance in the use condition of the projector which concerns on 1st Embodiment. It is a perspective view which shows the inside of a carrying case among the projectors shown in FIG. It is a perspective view which shows the state which open | released the inside of the projector which accommodated the projector main body. (A)-(c) is an enlarged view explaining adjustment and fixation of a front leg member and a rear leg member. It is a perspective view of a projector main body. (A)-(c) is the top view, front view, and bottom view of a projector main body. It is a block diagram which illustrates notionally the internal structure of a projector main body. It is a figure explaining the projector of 2nd Embodiment.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 ... Projector, 11 ... Projection lens, 12 ... Remote control light-receiving part, 13 ... Front exhaust port, 15 ... Operation panel, 16 ... Lens drive lever, 18 ... Back surface intake port, 19 ...
Connector part 20 ... Projector body 20a ... Body case 30 ... Carrying case 31 ... Case body 32 ... Hinge part 33 ... Case lid part 41 ... Bottom part 41a ... Opening 41b, 41b ... Holder 41d , 43g ... Ventilation part, 41g
... adjustment port opening / closing member, 41j ... engaging member, 42, 42, 43, 45 ... wall, 43a ... light transmission port, 43c ... projection opening opening / closing member, 43d, 43e ... holding member, 43g, 41d ...
Ventilation part, 43h ... Remote control light transmission part, 43j ... Projection part, 51 ... Power cable, 5
2 ... Computer cable 53,54 ... Fastener element 54 ... Fastener element 57 ... Hand handle 61 ... Front leg member 64 ... Rear leg member 74 ... Circuit device 8
DESCRIPTION OF SYMBOLS 1 ... Light source device, 82 ... Separate illumination system, 83 ... Light modulation part, 95 ... Main control part, AR1,
AR2 ... space area, IL ... image light

Claims (15)

The projector body,
A carrying case for storing the projector body;
A projector comprising:
The carrying case, when the projector main body is stored in the carrying case, at least a part on the emission direction side of the projection light emitting portion provided in the projector main body,
A projector configured to be exposed to the outside of the carrying case. The carrying case includes a projection opening / closing part that can be switched between an open state in which the projection light emitting part is at least partially exposed and a closed state in which the projection light emitting part is not exposed. Item 1. The projector according to Item 1. The projector according to claim 2, wherein the carrying case includes a holding unit that holds the projection opening / closing portion in either the open state or the closed state. The said carrying case is further equipped with the ventilation part which enables the ventilation between the ventilation opening provided in the said projector main body, and the exterior of the said carrying case, when the said projector main body is accommodated in the said carrying case. Item 4. The projector according to any one of Items 3 to 3. The projector according to claim 4, wherein the ventilation portion includes a plurality of ventilation holes and a mesh member that faces the ventilation opening of the projector main body when the projector main body is housed in the carrying case. The carrying case further includes a remote control light transmitting portion that allows a remote control light receiving portion provided in the projector main body to receive remote control light from outside the carrying case when the projector main body is housed in the carrying case. The projector according to any one of claims 1 to 6. The carrying case exposes at least part of the height adjustment direction side of the height adjustment portion provided in the projector main body to the outside of the carrying case when the projector main body is stored in the carrying case. The projector according to claim 1, further comprising an adjustment permission unit. The projector according to claim 7, wherein the adjustment allowing portion includes an adjustment opening that exposes a support member that is included in the height adjustment portion and is displaced with respect to the projector main body. The projector according to any one of claims 1 to 8, wherein the carrying case further includes a holder portion that positions and fixes the projector main body to the carrying case when the projector main body is stored in the carrying case. A carrying case for storing the projector body,
A carrying case configured such that, when the projector main body is stored in the carrying case, at least a part of the projection light emitting portion provided in the projector main body can be exposed to the outside of the carrying case. . The carrying case according to claim 10, further comprising: a projection opening / closing portion that can be set to an open state in which the projection light emitting unit is at least partially exposed and a closed state in which the projection light emitting unit is not exposed. The carrying case according to claim 10 or 11, further comprising a ventilation portion that allows ventilation between a ventilation port provided in the projector main body and the outside when the projector main body is stored. The carrying according to any one of claims 10 to 12, further comprising a remote control light transmitting portion that allows a remote control light receiving portion provided in the projector main body to receive external remote control light when the projector main body is stored. Case. 14. The apparatus according to claim 10, further comprising an adjustment permission unit that exposes at least a part of the height adjustment direction side of the height adjustment unit provided in the projector main body to the outside when the projector main body is stored. The carrying case according to any one of the above. The projector according to claim 10, further comprising a holder portion that positions and fixes the projector body when the projector body is stored.

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