Projection system, projector cart, and method of adjusting position of projection system

Abstract

To provide a projection system that can easily adjust a position in a horizontal direction.SOLUTION: A projection system comprises a projector and a projector cart for accommodating the projector. The projector includes: a housing; a light source portion accommodated in the housing; a light modulation portion that is accommodated in the housing and modulates light emitted from the light source portion; and a projection lens portion that emits the light modulated by the light modulation portion to the outside of the housing. In a vertical direction, the projector cart includes: an accommodation portion that can accommodate the projector and emit the light emitted from the projection lens portion to the outside of the projector cart; wheels provided below the accommodation portion; and a grip portion that can be displaced so as to be located above the accommodation portion.SELECTED DRAWING: Figure 1

Description

[Technical Field]

[0001] The present invention relates to a projection system, a cart for a projector, and a method for adjusting the position of a projection system. [Background technology]

[0002] Conventionally, there is known a projector that displays an image by projecting projection light onto a screen, etc. A projector rack that can improve convenience even when the projector is moved is known (for example, see Patent Document 1). [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Application Laid-Open No. 2012-098644 Summary of the Invention [Problem to be solved by the invention]

[0004] When installing a projector rack, the wheels move freely, making it difficult to make fine adjustments horizontally. [Means for solving the problem]

[0005] The projection system of the present disclosure comprises a projector and a projector cart that houses the projector, wherein the projector includes a housing, a light source unit housed in the housing, a light modulation unit housed in the housing that modulates light emitted from the light source unit, and a projection lens unit that emits the light modulated by the light modulation unit to the outside of the housing, and in the vertical direction, the projector cart includes a housing unit that can house the projector and emit the light emitted from the projection lens unit to the outside of the projector cart, wheels provided below the housing unit, and a handle that can be displaced to be positioned above the housing unit.

[0006] The projector cart of the present disclosure is a projector cart that can accommodate a projector having a housing, a light source unit housed in the housing, a light modulation unit housed in the housing and modulating light emitted from the light source unit, and a projection lens unit that emits the light modulated by the light modulation unit to the outside of the housing, and includes a housing unit that can emit the light emitted from the projection lens unit to the outside of the projector cart in the vertical direction, wheels provided below the housing unit, and a handle that can be stored in the housing unit and can be displaced to be positioned above the housing unit.

[0007] The method for adjusting the position of a projection system disclosed herein is a method for adjusting the position of a projection system including a projector and a projector cart that houses the projector, wherein, in the vertical direction, the projector cart includes a storage section that can store the projector, wheels provided below the storage section, and a handle that can store the storage section and can be extended above the storage section, and includes the steps of supplying power to the projector, starting projection of projection data from the projector, and holding the handle while checking the projected image of the projection data to adjust the position of the projection system. [Brief explanation of the drawings]

[0008] [Figure 1] FIG. 2 is a left front perspective view of the projection system according to the first embodiment. [Figure 2] FIG. 2 is a right rear perspective view of the projection system of the first embodiment. [Figure 3] FIG. 2 is a right rear perspective view of the projection system in which the grip portion of the first embodiment is stored. [Figure 4] FIG. 1 is a front view of a projection system according to a first embodiment. [Figure 5] FIG. 10 is a right rear perspective view of the projection system of the second embodiment. [Figure 6] FIG. 10 is a right rear perspective view of the projection system in which the grip portion of the second embodiment is stored. [Figure 7] FIG. 11 is a right rear perspective view of the projection system according to the third embodiment. [Figure 8] 10A and 10B are diagrams illustrating an example of movement of the projection system according to the third embodiment. DETAILED DESCRIPTION OF THE INVENTION

[0009] Hereinafter, embodiments of the present disclosure will be described with reference to the drawings. In each drawing, the symbol FR indicates the front (front direction) of the projection system 1 in an installed state, the symbol UP indicates the upper side of the projection system 1, and the symbol RH indicates the right side of the projection system 1. Although not shown, the opposite direction of the symbol FR indicates the rear side of the projection system 1, the opposite direction of the symbol UP indicates the lower side of the projection system 1, and the opposite direction of the symbol RH indicates the left side of the projection system 1. In the description, directions such as front, back, left, right, and up and down are the same as the directions relative to the projection system 1 described above, unless otherwise specified.

[0010] [Embodiment 1] Fig. 1 is a left front perspective view of the projection system 1. Fig. 2 is a right rear perspective view of the projection system 1. Fig. 3 is a right rear perspective view of the projection system 1 with the grip part 150 stored. Fig. 4 is a front view of the projection system 1. The projection system 1 is made up of a projector 10 that projects an image and a projector cart 20 that houses the projector 10.

[0011] The projector 10 includes a housing 11, a light source unit housed in the housing 11, a light modulation unit, and a projection lens unit 14. Light emitted from the light source unit is incident on the light modulation unit. The light modulation unit modulates the light emitted from the light source unit. The light modulated by the light modulation unit is emitted outside the housing 11 by the projection lens unit 14, and images such as moving images and still images can be projected onto the projection surface.

[0012] The housing 11 of the projector 10 is provided with an air intake 15 for intake of air and a heat exhaust 16 for exhaust of heat. In addition, the lower part of the housing 11 of the projector 10 is provided with legs 17 that can adjust the projection surface in the vertical direction.

[0013] The projector cart 20 accommodates the projector 10 and is capable of moving the projector cart 20. The projector cart 20 can be moved by human power or by a robot, for example.

[0014] 4, the projector cart 20 includes a substantially rectangular parallelepiped storage section 30. Inside the storage section 30, the projector 10 is stored.

[0015] The housing unit 30 includes an upper surface portion (fifth surface) 35 forming the top surface, a right surface portion 33 (third surface) and a left surface portion (fourth surface) 34 forming the left and right sides, a front surface portion (first surface) 31 and a rear surface portion 32 (second surface) forming the front and rear surfaces, and a lower surface portion (sixth surface) 36 forming the bottom surface. Each surface of the housing unit 30 may be composed of multiple surfaces. In this embodiment, the front surface portion 31 is composed of a vertical surface 31a relative to the horizontal floor and an inclined surface 31b intersecting with the vertical surface 31a. By providing a horizontal surface on the upper surface portion 35, it can be used as a stand for electronic devices and the like that connect to the projector 10 housed in the housing unit 30.

[0016] An air intake hole 37 is formed on the front surface of the housing section 30. A heat exhaust hole 38 is formed on the right surface 33 and the rear surface 32 of the housing section 30. The air intake hole 37 and the heat exhaust hole 38 are provided in positions that do not interfere with the intake of air and the exhaust of heat from the projector 10 placed inside the projector cart. The air intake hole 37 and the heat exhaust hole 38 may also be configured with a plurality of slit holes. This makes it possible to prevent the temperature inside the housing section 30 from rising due to the exhaust air from the projector 10, even when the projector 10 is placed inside the housing section 30. In other words, since the projector 10 can exhaust the exhaust air to the outside of the housing section 30 of the projector cart 20, it is possible to prevent the exhaust air from the projector 10 from accumulating inside the housing section 30, and the air intake operation and the heat exhaust operation can be performed without the temperature inside the housing section 30 rising.

[0017] Wheels 39 are provided on the lower surface 36 of the storage section 30. The wheels 39 are provided at each of the four corners of the lower surface 36. The wheels 39 are provided with stoppers, and the stoppers can restrict the rotation of the wheels 39.

[0018] At least one of the top surface 35 and the front surface 31 of the housing 30 is provided with a window 40 for emitting the projected light from the projector 10 to the outside of the housing 30. The window 40 is provided so as not to block the projected light from the projector 10. The window 40 may also be provided by removing the top surface 35 and the front surface 31. In other words, the top surface 35 and the front surface 31 of the housing 30 are formed to be removable, and the projection system 1 can also be used with the top surface 35 and the front surface 31 removed.

[0019] In this embodiment, a partition plate 41 is provided in the housing section 30, dividing the housing section 30 into an upper space and a lower space. In this way, the housing section 30 may be divided into multiple spaces. By dividing the housing section 30 into multiple spaces, the installation height of the projector 10 can be roughly adjusted to match the position of the projection lens section 14 of the projector 10 and the position from which the projector 10 projects. In addition, the space below the partition plate 41 can be used as a storage space for related parts such as cables used for machinery and wiring other than the projector 10.

[0020] The storage section 30 is provided with a grip section 150 that serves as a handle when moving the projector cart 20. The grip section 150 is provided at the rear end of the storage section 30. The grip section 150 is displaceable and is formed so that it can be inserted through the top surface section 35 and stored inside the storage section 30. Examples of displacement means for storing the grip section 150 in the storage section 30 include an extendable structure and a folding structure.

[0021] The housing section 30 is provided with a cable (not shown) that supplies power to the projector and a wiring hole (not shown) for wiring the cable.

[0022] In this embodiment, the gripping portion 150 is composed of a first support portion 151 and a second support portion 152 that extend in the vertical direction, and a connection portion 153 that connects the upper ends of the first support portion 151 and the second support portion 152. In other words, the gripping portion 150 is formed in an inverted U shape when viewed from the front.

[0023] The grip portion 150 is exposed from the housing portion 30, and its length can be freely changed. That is, the housing state in the present disclosure does not only refer to a state in which the entire grip portion 150 is housed inside the housing portion 30, but also to a state in which part of the grip portion 150 is housed inside the housing portion 30 and part is exposed outside the housing portion 30. The grip portion 150 is formed so that when fully extended, the length from the upper surface portion 35 to the connecting portion 153 is longer than the length from the lower surface portion 36 to the upper surface portion 35 of the housing portion 30. In this way, by providing a long grip portion 150, the projector cart 20 can be moved in an upright position.

[0024] The gripping portion 150 can be retracted so that its uppermost end 150a is at the same position as or lower than the top surface 35 of the storage portion 30. A notch 35a for accommodating the connecting portion 153 is provided at the rear end of the top surface 35 of the storage portion 30. A notch 32a is also provided at the upper end of the rear surface 32 so that a portion of the accommodated gripping portion 150 is exposed at the outer end of the storage portion 30. These notches 32a and 35a create a gap around the connecting portion 153 of the gripping portion 150 when the gripping portion 150 is accommodated in the storage portion 30, allowing an operator to grasp and remove the gripping portion 150.

[0025] The method for adjusting the position of the projection system 1 can be roughly divided into three steps. The first step is to supply power to the projector 10 of the projection system 1. The second step is to start projection from the projector 10. The third step is to adjust the position of the projection system 1 by holding the grip portion 150 and checking the image projected from the projector 10. These steps allow the projection system 1 to make fine position adjustments.

[0026] [Effects of the First Embodiment] As described above, according to embodiment 1 to which the present invention is applied, a projector 10 and a projector cart 20 that houses the projector 10 are provided, and the projector 10 includes a housing 11, a light source unit housed in the housing 11, a light modulation unit housed in the housing 11 that modulates light emitted from the light source unit, and a projection lens unit 14 that emits the light modulated by the light modulation unit to the outside of the housing 11. In the vertical direction, the projector cart 20 includes a housing unit 30 that can house the projector 10 and can emit the light emitted from the projection lens unit 14 to the outside of the projector cart 20, wheels 39 provided below the housing unit 30, and a handle unit 150 that can be displaced to be positioned above the housing unit 30. This allows the user to easily move the projection system 1 and the projector cart 20 by gripping the grip portion 150.

[0027] The storage section 30 has an upper surface 35, a front surface 31, a right surface 33, a left surface 34, a rear surface 32, and a lower surface 36, and at least one of the upper surface 35 and the front surface 31 has a window 40 for emitting the projection light of the projector 10 to the outside of the storage section 30, wheels 39 are provided on the lower surface 36, and a handle 150 is provided on the upper surface 35, which can be stored in the storage section 30, and when the handle 150 is stored in the storage section 30, the position of the handle 150 is lower than the position of the upper surface 35. As a result, when the projection system 1 is in use, by storing the grip portion 150, it is possible to prevent the grip portion 150 from blocking the image projected from the projector 10.

[0028] In the vertical direction, the gripping portion 150 includes a first support portion 151 connected to the storage portion 30 and capable of extending above the storage portion 30, and a second support portion 152 connected to the storage portion 30 and capable of extending above the storage portion 30. According to this, when a user moves the projection system 1 and the projector cart 20, a force acts on the first support column 151 and the second support column 152, which prevents the projection system 1 from moving in an unexpected direction. In other words, the operability of the projection system 1 and the projector cart 20 is improved.

[0029] The gripping portion 150 includes a connecting portion 153 that connects the first support portion 151 and the second support portion 152 above the storage portion 30 in the vertical direction. According to this, the strength of the grip part 150 can be improved by connecting the first support part 151 and the second support part 152 with the connecting part 153. This makes it easier for the user to apply force to the grip part 150, improving the operability of the projection system 1 and the projector cart 20.

[0030] A method for adjusting the position of a projection system 1 including a projector 10 and a projector cart 20 that houses the projector 10, wherein the projector cart 20 includes, in the vertical direction, a storage section 30 that can store the projector 10, wheels 39 provided below the storage section 30, and a handle 150 that can store the storage section 30 and is extendable above the storage section 30, and includes the steps of supplying power to the projector 10, starting projection of projection data from the projector 10, and holding the handle 150 while checking the projected image of the projection data to adjust the position of the projection system 1. This allows the user to adjust the position while checking the image, such as a still image or a moving image, projected from the projector 10 after the projector 10 starts projection.

[0031] [Embodiment 2] A second embodiment of the present invention will be described below. In this second embodiment, parts configured in the same manner as in the first embodiment will be given the same reference numerals and descriptions thereof will be omitted.

[0032] Fig. 5 is a right rear perspective view of the projection system 1. Fig. 6 is a right rear perspective view of the projection system 1 with the grip part 250 stored. In the first embodiment described above, the grip portion 150 is formed in an inverted U-shape. In the second embodiment, the shape of the grip portion 150 is different from that in the first embodiment. That is, in the first embodiment, the grip portion 150 is formed by the first support portion 151, the second support portion 152, and the connecting portion 153. In the second embodiment, in addition to the components of the first embodiment, the grip portion 250 is provided with a first protrusion 251 and a second protrusion 252 extending outward in the vehicle width direction from the upper ends of the first support portion 151 and the second support portion 152. The vehicle width direction refers to the direction along the symbol RH. Accordingly, the shapes of the notches 35a, 32a in the upper surface portion 35 and the rear surface portion 32 are changed. The first protrusion 251 and the second protrusion 252 are formed to a size that can be grasped by a user. In this way, by providing the first protrusion 251 and the second protrusion 252 on the grip portion 250, the user can move the projection system 1 by holding the first protrusion 251 and the second protrusion 252. Furthermore, the shapes of the first protrusion 251 and the second protrusion 252 are not limited to being linear but can be displaced. By providing the first protrusion 251 and the second protrusion 252 in this manner, it is possible to reduce the ulnar flexion and flexion, which have a small range of motion, when grasping the projection system 1 and the projector cart 20, thereby reducing the load on the user's wrist.

[0033] [Effects of the second embodiment] As described above, according to the second embodiment of the present invention, the gripping portion 150 includes a grippable first protrusion 251 that protrudes from the first support portion 151 in a direction intersecting the direction in which the first support portion 151 extends, and a grippable second protrusion 252 that protrudes from the second support portion 152 in a direction intersecting the direction in which the second support portion 152 extends. This makes it possible to avoid ulnar flexion and flexion, which have a small range of motion, when the user grasps the first protrusion 251 and the second protrusion 252, even if the heights of the gripping portion 150 are different. In other words, the user can grasp the gripping portion 150 by movements that involve dorsiflexion or palmar flexion, which have a large range of motion, and therefore, the load on the wrist can be reduced when using the projection system 1 and the projector cart 20.

[0034] [Embodiment 3] A third embodiment of the present invention will be described below. In the third embodiment, parts configured in the same manner as in the first embodiment will be given the same reference numerals and descriptions thereof will be omitted.

[0035] 7 is a right rear perspective view of the projection system 1. FIG. 8 is a diagram illustrating the movement of the projection system 1. In the third embodiment, the shape of the grip portion 150 differs from that in the first embodiment. That is, in the first embodiment, the grip portion 150 is formed by the first support portion 151, the second support portion 152, and the connection portion 153. In the third embodiment, the grip portion 350 is formed by the first support portion 151 and the second support portion 152. Gripping areas 351 and 352 are provided at the upper ends of the first support portion 151 and the second support portion 152. The gripping areas 351 and 352 are formed, for example, by providing a grip or the like on the first support portion 151. The height of the grip portion 150 can be adjusted so that the gripping areas 351 and 352 are at a height equal to or higher than the user's elbow. By providing the gripping areas at a position equal to or higher than the user's elbow in this way, it is possible to reduce ulnar flexion and flexion of the wrist, which has a small range of motion, when gripping the projection system 1 and the projector cart 20, thereby reducing the load on the user's wrist.

[0036] [Effects of the Third Embodiment] As described above, according to the third embodiment of the present invention, the gripping portion 150 includes: a first support portion 151 having a gripping area 351, and when the height of the first support portion 151 is higher than the height of the user's elbow, the gripping area 351 is at a position at a height equal to or higher than the user's elbow; and a second support portion 152 having a gripping area 352, and when the height of the second support portion 152 is higher than the height of the user's elbow, the gripping area 352 is at a position at a height equal to or higher than the user's elbow. By making the height of the gripping areas 351, 352 the same as the user's elbow, ulnar flexion and flexion of the wrist can be avoided, and the load on the wrist can be reduced when using the projection system 1 and the projector cart 20.

[0037] [Other embodiments] The above-described embodiment merely shows one aspect of the present invention, and any modifications and applications are possible without departing from the spirit of the present invention. Summary of this disclosure A summary of this disclosure is provided below.

[0038] (Appendix 1) A projection system comprising: a projector; and a projector cart that houses the projector, wherein the projector includes a housing, a light source unit housed in the housing, a light modulation unit housed in the housing that modulates light emitted from the light source unit, and a projection lens unit that emits the light modulated by the light modulation unit to the outside of the housing, and wherein the projector cart includes, in the vertical direction, a housing unit that can house the projector and emit the light emitted from the projection lens unit to the outside of the projector cart, wheels provided below the housing unit, and a handle that can be displaced to be positioned above the housing unit. This allows the user to easily move the projection system by gripping the grip portion.

[0039] (Supplementary Note 2) The projection system described in Supplementary Note 1, wherein the storage section has a first surface, a second surface opposite the first surface, a third surface intersecting the first surface and the second surface, a fourth surface opposite the third surface and intersecting the first surface and the second surface, a fifth surface intersecting the first surface, the second surface, the third surface, and the fourth surface, and a sixth surface opposite the fifth surface and intersecting the first surface, the second surface, the third surface, and the fourth surface, and at least one of the first surface and the fifth surface is provided with a window portion for emitting projection light of the projector to the outside of the storage section, the wheels are provided on the sixth surface, and the handle is provided on the fifth surface, the handle can be stored in the storage section, and when the handle is stored in the storage section, the position of the handle is lower than the position of the fifth surface. As a result, when the projection system 1 is in use, by storing the grip portion 150, it is possible to prevent the grip portion 150 from blocking the image projected from the projector 10.

[0040] (Appendix 3) A projection system described in Appendix 1 or 2, wherein in the vertical direction, the gripping portion includes a first support portion connected to the housing portion and capable of extending above the housing portion, and a second support portion connected to the housing portion and capable of extending above the housing portion. With this, when a user moves the projection system, force acts on the two support columns, which prevents the projection system from moving in an unexpected direction, thereby improving the operability of the projection system.

[0041] (Appendix 4) A projection system according to any one of appendixes 3, wherein the gripping portion includes a connecting portion that connects the first support portion and the second support portion above the storage portion in the vertical direction. According to this, by connecting the first support and the second support with the connecting part, the strength of the grip part can be improved, which makes it easier for the user to apply force to the grip part and improves the operability of the projection system.

[0042] (Appendix 5) A projection system described in Appendix 3 or 4, wherein the gripping portion includes a first grippable protrusion that protrudes from the first support portion in a direction intersecting the direction in which the first support portion extends, and a second grippable protrusion that protrudes from the second support portion in a direction intersecting the direction in which the second support portion extends. This allows the user to avoid ulnar flexion or flexion, which have a small range of motion, when grasping the first protruding portion and the second protruding portion, even if the heights of the gripping portions are different. In other words, the user can grasp the gripping portion by dorsiflexion or palmar flexion, which have a large range of motion, thereby reducing the load on the wrist.

[0043] (Appendix 6) The projection system described in any of Appendices 3 to 5, wherein the gripping portion includes: the first support portion has a gripping area, and when the height of the first support portion is higher than the height of the user's elbow, the gripping area is at a height equal to or higher than the height of the user's elbow; and the second support portion has a gripping area, and when the height of the second support portion is higher than the height of the user's elbow, the gripping area is at a height equal to or higher than the height of the user's elbow. According to this, by making the height of the gripping area the same as the user's elbow, ulnar flexion and flexion of the wrist can be avoided, and the load on the wrist can be reduced.

[0044] (Appendix 7) A projector cart capable of accommodating a projector having a housing, a light source unit housed in the housing, a light modulation unit housed in the housing and modulating light emitted from the light source unit, and a projection lens unit that emits the light modulated by the light modulation unit to the outside of the housing, the projector cart including: a housing unit that can emit the light emitted from the projection lens unit to the outside of the projector cart in the vertical direction; wheels provided below the housing unit; and a handle that can be displaced to be positioned above the housing unit. This allows the user to easily move the projector cart by gripping the grip portion.

[0045] (Appendix 8) A projector cart as described in Appendix 7, wherein the storage section has a first surface, a second surface opposite the first surface, a third surface intersecting the first surface and the second surface, a fourth surface opposite the third surface and intersecting the first surface and the second surface, a fifth surface intersecting the first surface, the second surface, the third surface and the fourth surface, and a sixth surface opposite the fifth surface and intersecting the first surface, the second surface, the third surface and the fourth surface, and at least one of the first surface and the fifth surface is provided with a window for emitting projection light from the projector to the outside of the storage section, the wheels are provided on the sixth surface, and the handle is provided on the fifth surface, the handle can be stored in the storage section, and when the handle is stored in the storage section, the position of the handle is lower than the position of the fifth surface. As a result, when an image is projected by the projector placed on the projector cart, the handle can be stored so that it does not obstruct the field of view.

[0046] (Appendix 9) A cart for a projector as described in Appendix 7 or 8, wherein in the vertical direction, the gripping portion includes a first support portion connected to the storage portion and capable of extending above the storage portion, and a second support portion connected to the storage portion and capable of extending above the storage portion. With this, when a user moves the projector cart, force acts on the two support columns, which prevents the projector cart from moving in an unexpected direction, thereby improving the operability of the projector cart.

[0047] (Appendix 10) The cart for a projector according to Appendix 9, wherein the gripping portion includes a connecting portion that connects the first support portion and the second support portion above the storage portion in the vertical direction. According to this, by connecting the first support and the second support with the connecting part, the strength of the grip part can be improved, which makes it easier for the user to apply force to the grip part and improves the operability of the projector cart.

[0048] (Appendix 11) A cart for a projector as described in Appendix 9 or 10, wherein the gripping portion further includes a first grippable protrusion that protrudes from the first support portion in a direction intersecting the direction in which the first support portion extends, and a second grippable protrusion that protrudes from the second support portion in a direction intersecting the direction in which the second support portion extends. This allows the user to avoid ulnar flexion or flexion, which have a small range of motion, when grasping the first protruding portion and the second protruding portion, even if the heights of the gripping portions are different. In other words, the user can grasp the gripping portion by dorsiflexion or palmar flexion, which have a large range of motion, thereby reducing the load on the wrist.

[0049] (Appendix 12) The gripping portion of the projector cart described in any of Appendices 9 to 11 includes: the first support portion has a gripping area, and when the height of the first support portion is higher than the height of the user's elbow, the gripping area is at a height equal to or higher than the height of the user's elbow; and the second support portion has a gripping area, and when the height of the second support portion is higher than the height of the user's elbow, the gripping area is at a height equal to or higher than the height of the user's elbow. According to this, by making the height of the gripping area the same as the user's elbow, ulnar flexion and flexion of the wrist can be avoided, and the load on the wrist can be reduced.

[0050] (Appendix 13) A method for adjusting the position of a projection system including a projector and a projector cart that houses the projector, wherein the projector cart includes, in the vertical direction, a storage section that can store the projector, wheels provided below the storage section, and a handle that can be extended above the storage section and that can store the storage section, the method including the steps of: supplying power to the projector; starting projection of projection data from the projector; and adjusting the position of the projection system by holding the handle while checking the projected image of the projection data. This allows the user to adjust the position while checking the image, such as a still image or a moving image, projected from the projector after the projector has started projection. [Explanation of symbols]

[0051] 1...Projection system, 10...Projector, 11...Housing, 14...Projection lens section, 15...Air intake, 16...Heat exhaust vent, 17...Leg, 20...Projector cart, 30...Storage section, 31...Front section (first surface), 31a...Vertical surface, 31b...Inclined surface, 32...Rear section (second surface), 32a...Notch, 33...Right surface (third surface), 34...Left surface (fourth surface), 35...Top Surface part (5th surface), 35a...notch, 36...lower surface part (6th surface), 37...intake hole, 38...heat exhaust hole, 39...wheel, 40...window part, 41...partition plate, 150...gripping part, 150a...upper end, 1 51...first support section, 152...second support section, 153...connection section, 250...grip section, 251...first protrusion section, 252...second protrusion section, 350...grip section, 351...grip area, 352...grip area.

Claims

1. A projector and a cart for the projector that houses the projector, the projector includes a housing, a light source unit housed in the housing, a light modulation unit housed in the housing and configured to modulate light emitted from the light source unit, and a projection lens unit configured to emit the light modulated by the light modulation unit to the outside of the housing; In the vertical direction, the projector cart includes a storage section capable of storing the projector and capable of emitting light emitted from the projection lens section to the outside of the projector cart, wheels provided below the storage section, and a grip section displaceable to be positioned above the storage section. Projection system.

2. the storage section has a first surface, a second surface opposite to the first surface, a third surface intersecting the first surface and the second surface, a fourth surface opposite to the third surface and intersecting the first surface and the second surface, a fifth surface intersecting the first surface, the second surface, the third surface, and the fourth surface, and a sixth surface opposite to the fifth surface and intersecting the first surface, the second surface, the third surface, and the fourth surface, a window portion for emitting projection light from the projector to the outside of the housing portion is provided on at least one of the first surface and the fifth surface; The wheels are provided on the sixth surface, The grip portion is provided on the fifth surface, the gripping portion is receivable in the accommodation portion, and when the gripping portion is accommodated in the accommodation portion, the position of the gripping portion is lower than the position of the fifth surface; The projection system according to claim 1 .

3. In the vertical direction, the grip portion includes a first support portion connected to the storage portion and extensible above the storage portion, and a second support portion connected to the storage portion and extensible above the storage portion. The projection system according to claim 1 .

4. In the vertical direction, the grip portion includes a connection portion that connects the first support portion and the second support portion above the storage portion, The projection system according to claim 3 .

5. The grip portion includes a grippable first protrusion protruding from the first support portion in a direction intersecting the direction in which the first support portion extends, and a grippable second protrusion protruding from the second support portion in a direction intersecting the direction in which the second support portion extends.

5. The projection system according to claim 3 or 4.

6. the grip portion is such that the first support portion has a gripping area, and when the height of the first support portion is higher than the height of the elbow of the user, the gripping area is at a position equal to or higher than the height of the elbow of the user; the second support portion has a gripping area, and when the height of the second support portion is higher than the height of the user's elbow, the gripping area is at a position equal to or higher than the height of the user's elbow.

5. The projection system according to claim 3 or 4.

7. A cart for a projector capable of accommodating a projector having a housing, a light source unit housed in the housing, a light modulation unit housed in the housing and modulating light emitted from the light source unit, and a projection lens unit that emits the light modulated by the light modulation unit to the outside of the housing, The projector cart includes a storage section that can emit light emitted from the projection lens section to the outside of the projector cart in the vertical direction, wheels that are provided below the storage section, and a handle that can be displaced to be positioned above the storage section. Projector cart.

8. In projector carts, the storage section has a first surface, a second surface opposite to the first surface, a third surface intersecting the first surface and the second surface, a fourth surface opposite to the third surface and intersecting the first surface and the second surface, a fifth surface intersecting the first surface, the second surface, the third surface, and the fourth surface, and a sixth surface opposite to the fifth surface and intersecting the first surface, the second surface, the third surface, and the fourth surface, a window portion for emitting projection light from the projector to the outside of the housing portion is provided on at least one of the first surface and the fifth surface; The wheels are provided on the sixth surface, The grip portion is provided on the fifth surface, The gripping portion can be accommodated in the accommodation portion, When the gripping portion is accommodated in the accommodation portion, the position of the gripping portion is lower than the position of the fifth surface.

8. The projector cart according to claim 7.

9. In the vertical direction, the grip portion includes a first support portion connected to the storage portion and extensible above the storage portion, and a second support portion connected to the storage portion and extensible above the storage portion.

8. The projector cart according to claim 7.

10. In the vertical direction, the grip portion includes a connection portion that connects the first support portion and the second support portion above the storage portion, 10. The projector cart of claim 9.

11. The grip portion further includes a grippable first protrusion protruding from the first support portion in a direction intersecting the extending direction of the first support portion; a grippable second protrusion protruding from the second support rod in a direction intersecting the direction in which the second support rod extends, 11. The cart for a projector according to claim 9 or 10.

12. the grip portion is such that the first support portion has a gripping area, and when the height of the first support portion is higher than the height of the elbow of the user, the gripping area is at a position equal to or higher than the height of the elbow of the user; the second support portion has a gripping area, and when the height of the second support portion is higher than the height of the user's elbow, the gripping area is at a position equal to or higher than the height of the user's elbow.

11. The cart for a projector according to claim 9 or 10.

13. A method for adjusting the position of a projection system including a projector and a projector cart that houses the projector, comprising: In a vertical direction, the projector cart includes a storage section capable of storing the projector, wheels provided below the storage section, and a handle section capable of storing the storage section and extending above the storage section; a step of supplying power to the projector; a step of starting projection of projection data from the projector; and a step of adjusting the position of the projection system by gripping the grip portion while checking a projected image of the projection data, How to adjust the position of a projection system.

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