CN215297921U - Integral desktop projection device - Google Patents

Abstract

The application provides an integral type desktop projection arrangement, including projection table, organism host computer and removable stand, the projection table with the organism host computer respectively with removable stand connects, and the three is connected as an organic wholely, the organism host computer is including being located the projection unit of projection table top, integral type desktop projection arrangement still includes information acquisition equipment and calculation and the control unit, the projection unit with information acquisition equipment respectively with it links to each other with the control unit to calculate, the projection unit includes the orientation the projection mouth of projection table, information acquisition equipment acquires mutual information data, calculation and the control unit basis mutual information data control that information acquisition equipment acquireed the projection unit changes projected picture. The application provides an integral type desktop projection arrangement, it integrates the degree height, convenient assembling and application environment wide range.

Description

Integral desktop projection device

Technical Field

The application relates to the technical field of projection interaction, in particular to an integrated desktop projection device.

Background

Projection technology has been widely used in the field of audio-visual, and with the continuous development of projection technology, projection interaction technology is also used in the aspects of learning, entertainment and the like. The projection interaction technology is that specific operation of a user on a projection image is fed back to a projection interaction system, and the projection interaction system responds according to specific action of the user, so that an interaction effect is achieved. Virtual projection keyboard input is a common application of projection interaction technology. Similarly, the projection interaction device is applied to some projection learning tables, the projection interaction device can project a picture on the table, and a user can interact by clicking, sliding and other operations on the picture, so that the learning interest can be increased. However, the conventional technologies such as the virtual projection keyboard and the projection learning desk are limited to the assembling of the projection interactive device, and the projection picture is usually local, and the projection picture is mostly static, so that it is difficult to realize large-area and dynamic picture projection. The projection of large tracts of land, dynamic picture can be realized to the projection of traditional hoist and mount home theater formula, however, its projecting apparatus and curtain are for installing respectively, often receive the restriction because of the difference of house furred ceiling, room roof beam, wall body structure when installing indoor, and it erects and debugs with high costs, the degree of difficulty is big, and in case erect the back, position and form are fixed promptly, are difficult to according to service environment difference and nimble adjustment.

In view of this, the prior art is in need of improvement.

SUMMERY OF THE UTILITY MODEL

The application provides an integral type desktop projection arrangement, it integrates the degree height, convenient assembling and is suitable for the environment and extensively.

For solving above-mentioned technical problem, this application provides an integral type desktop projection arrangement, including projection table, organism host computer and removable stand, the projection table with the organism host computer respectively with removable stand is connected, and the three is connected as an organic wholely, the organism host computer is including being located the projection unit of projection table top, integral type desktop projection arrangement still includes information acquisition equipment and calculation and the control unit, the projection unit with information acquisition equipment respectively with the calculation links to each other with the control unit, the projection unit includes the orientation the projection mouth of projection table, information acquisition equipment acquires mutual information data, calculation and the control unit basis mutual information data control that information acquisition equipment acquireed the projection unit changes projected picture.

As a further improved technical solution of the present application, the detachable column has a plurality of fixing positions in a vertical direction, and the machine body main machine is selectively installed in one of the plurality of fixing positions; or the machine body host can move up and down relative to the detachable upright post; or the detachable upright post is arranged in a manner of being capable of stretching up and down; or the desktop of the projection table can be arranged in a way of lifting up and down.

As the further improved technical scheme of this application, the organism host computer includes the casing, the projection unit with calculation and the control unit are all located in the casing, the projection unit includes projecting apparatus and light filling lamp, calculation and the control unit include the circuit board and locate the controller of circuit board.

As the further improved technical scheme of this application, the organism host computer is including locating wireless communication module, power module and radiating piece in the casing, the casing include casing frame and install in casing panel on the casing frame, correspond on the casing panel the projection mouth is equipped with the trompil, corresponds the radiating piece is equipped with the louvre.

As the further improved technical scheme of this application, information acquisition equipment including set up in inside sensor in the casing with set up in outside the casing and with circuit board electric connection's external sensor, inside sensor and/or external sensor includes one or more in infrared sensor, color sensor, binocular sensor, radar sensor, pressure sensor, the high appearance of clapping, scanner, infrared touch frame, attitude sensor, handle class sensor, vital sign measurement component, the mood collection component.

As the further improved technical scheme of this application, the maintenance groove has been seted up to the casing, be equipped with a plurality of external interfaces on the circuit board, external interface expose in the maintenance groove.

As the further improved technical scheme of this application, removable stand is cavity setting, the cavity inside of removable stand is equipped with the connecting wire, the connecting wire is connected the organism host computer with the projection table.

As the further improved technical scheme of this application, removable stand include vertical pipe and certainly the convex protruding shell in one side of vertical pipe, protruding shell supports on the top surface of projection table, install the audio amplifier in the protruding shell, a plurality of sound holes have been seted up on the protruding shell.

As the further improved technical scheme of this application, the projection table includes projection board and but two at least table amalgamation portions of split, two at least table amalgamation portions are assembled and are formed complete table, the projection board is located the table is bench, the frame of table is higher than its inside plane, makes the frame forms the recess rather than inside plane, the projection board is located in the recess.

As a further improved technical scheme of the application, the surface of the projection plate is sprayed with projection paint.

The integrated desktop projection device comprises a projection table, a machine body host and a detachable stand column, wherein the three are connected into a whole; the main machine body and the projection table are respectively installed with the detachable upright post, after the installation is finished, the positioning between the main machine body and the projection table is accurate, and the assembly is convenient without repeated debugging; the integral desktop projection device formed can be moved integrally to meet the requirements of use in different environments and positions, and the application environment is wider.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive labor.

FIG. 1 is a front view of an embodiment of the present application.

FIG. 2 is a side view of an embodiment of the present application in combination with a desktop projector.

FIG. 3 is a rear view of an embodiment of the present application.

FIG. 4 is a bottom view of an embodiment of the present application integrated desktop projector.

FIG. 5 is a top view of a projection table according to an embodiment of the present application.

FIG. 6 is a side view of a projection table according to an embodiment of the present application.

FIG. 7 is a perspective view of a frame of a desktop projector according to an embodiment of the present application.

FIG. 8 is a schematic perspective view of a housing panel of an embodiment of the integrated desktop projector.

Fig. 9 is an internal schematic view of a main body of an integrated desktop projection device according to an embodiment of the present application.

FIG. 10 is a side view of another embodiment of the integrated desktop projector of the present application.

Description of reference numerals: 1-a projection table; 11-a table assembly part; 111-a frame; 1110-positioning grooves; 112-a groove; 113-brake port; 114-a cabinet door; 115-opening; 116-a fixation section; 12-a projection plate; 13-a rotating wheel; 2-detachable upright posts; 21-a vertical tube; 2101-front side panel; 2102-rear side panel; 211-import-export; 212-service port; 22-convex shells; 221-sound outlet hole; 3-machine body host; 31-a housing; 311-a cabinet frame; 3111-prismatic stem; 3112-a fan mounting plate; 3113-a vent; 312-a chassis panel; 3121-perforating; 3122-first sensor opening; 3123-a second sensor opening; 3124-a first thermal vent; 3125-a second thermal vent; 321-a projector; 3211-projection port; 322-a sensor; 323-circuit board; 324 — a heat dissipation fan.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present application, but are merely examples of apparatus and methods consistent with certain aspects of the present application.

The integrated desktop projection device of the present application will be described in detail with reference to the accompanying drawings. Features in the embodiments described below may be combined with each other without conflict.

Referring to fig. 1 to 9, an integrated desktop projection apparatus in an embodiment of the present application includes a projection table 1, a main body 3, and a detachable column 2, where the projection table 1 and the main body 3 are respectively connected with the detachable column 2, and the three are connected as a whole. The machine body host 3 comprises a projection unit positioned above the projection table 1, the integrated desktop projection device further comprises an information acquisition device and a calculation and control unit, the projection unit and the information acquisition device are respectively connected with the calculation and control unit, the projection unit comprises a projection port 3211 facing the projection table 1, the information acquisition device acquires interactive information data, and the calculation and control unit controls the projection unit to change a projected picture according to the interactive information data acquired by the information acquisition device.

Referring to fig. 2 to 5, the projection table 1 includes a table and a projection plate 12 disposed on the table. In an embodiment, the table is a cabinet made of baking varnish and made of wood, the cabinet has a space for placing articles therein, and the cabinet is further provided with a cabinet door 114 for opening and closing the space inside the cabinet to communicate with the outside. Of course, the table is not limited to wood, and in other embodiments, the table may be made of plastic, metal, or other materials. The table may also be provided without a cabinet, such as a conventional table style with a table top and legs. In an embodiment, the table comprises at least two table assembling parts 11 which can be disassembled, that is, the table is assembled by a plurality of table assembling parts 11. The table is formed by assembling a plurality of table assembling parts 11, and can be disassembled for carrying, so that the table is convenient to carry. Every the bottom of table amalgamation portion 11 still is equipped with a plurality of runners 13, can make things convenient for the promotion, the pulling of table amalgamation portion 11, makes things convenient for the removal of table. The rotating wheel 13 is a universal wheel, and can facilitate the movement of the table assembling part 11 in any direction. The universal wheel is provided with a foot brake part (not numbered), when the foot brake part is stepped, the universal wheel is locked and cannot roll easily, and the table is prevented from being undesirably and easily moved after being moved in place. In this embodiment, the majority of universal wheel is hidden at the cabinet internally, correspond on the cabinet body the service brake portion of universal wheel is equipped with brake mouthful 113, and the user can insert brake mouthful 113 with the foot and in order to step on service brake portion, convenient operation. The side of the table is further provided with a plurality of openings 115 and fixing portions 116, and in an embodiment, the side of the table, that is, the side wall of the cabinet is provided with the openings 115 and the fixing portions 116. The opening 115 and the fixing portion 116 are provided for a connection line and a screw for mounting to pass through or connect.

As shown in fig. 2 to 4, the table includes a frame 111 and a table top located inside the frame, and the frame 111 is higher than a plane formed by the table top inside the frame, so that the frame 111 and the plane inside the frame form a groove 112. The projection plate 12 is located within the recess 112. The projection plate 12 is a whole plate, and the surface of the projection plate is sprayed with projection paint. With the arrangement, since the plane for receiving the projection picture is the projection plate 12, not the table itself, the material of the table and the manufacturing process of the table do not need to be high, and the manufacturing cost of the table can be reduced. The projection plate 12 is a whole plate, so that splicing gaps can be avoided, and the completeness and continuity of pictures are ensured. In one embodiment, the assembled table is rectangular, the frame 111 of the table is a rectangular frame, three of the four sides of the rectangular frame have the same width, and the width of the remaining side is greater than the width of the other three sides. The middle of the side with larger width is provided with a positioning groove 1110. The positioning groove 1110 is formed, so that the width of the frame is large, and the positioning groove 1110 is prevented from being formed in a table area for placing the projection plate. Locating slot 1110 is located the middle part of the side of projection table 1, locating slot 1110 is used for supplying removable stand 2 installation location, as above the lateral wall of the cabinet body on set up opening 115 and fixed part 116 correspond and be located the below region of locating slot 1110, opening 115 is used for supplying the connecting wire to wear out from removable stand 2 and wear to establish into the cabinet body through opening 115, fixed part 116 is used for supplying the fixed connection of removable stand 2 and the cabinet body.

Referring to fig. 1 to 3, the detachable column 2 includes a vertical pipe 21 and a protruding shell 22 protruding from one side of the vertical pipe 21. In an embodiment, the vertical tube 21 is a hollow tube with a rectangular cross section, the vertical tube 21 includes a front side plate 2101 and a back side plate 2102 which are arranged oppositely, a left side plate and a right side plate which are arranged oppositely, and an upper side plate and a lower side plate which are arranged oppositely, and the areas of the front side plate 2101 and the back side plate 2102 are larger than the areas of the left side plate, the right side plate, the upper side plate and the lower side plate. The protruding shell 22 protrudes from the front side plate 2101 in a direction away from the rear side plate 2102. Referring to fig. 2 and 3, in the embodiment shown in fig. 2 and 3, the upper portion of the vertical pipe 21 is higher than the convex shell 22, and the lower portion of the vertical pipe 21 is located below the convex shell 22. In other words, the convex shell 22 is not provided at the end of the vertical tube 21, but is provided in the area between the upper and lower ends of the vertical tube 21. Screw holes are arranged on the front side plate 2101 at the upper part and the lower part of the vertical pipe 21 and are respectively used for connecting the machine body host 3 and the projection table 1. Through holes (not shown) are further formed in the front side plates 2101 at the upper portion and the lower portion of the vertical tube 21, and are used for a connecting wire to pass through and to be routed in the hollow of the vertical tube 21 so as to be electrically connected with the machine body host 3 and electrical components in the projection table 1. The through hole is opened in the middle position department on the left and right sides of vertical pipe 21, the screw hole symmetry is located the left and right sides of through hole. The shape of the through hole is not limited, and the through hole can be a circular hole, a square hole, a rectangular hole, an elliptical hole, a runway-shaped hole and the like. An access hole 212 is formed in the rear side plate 2102 at the lower portion of the vertical pipe 21 and corresponds to the through hole and the opening 113 of the table, so that electric appliance parts arranged in the cabinet body of the table can be conveniently overhauled. The protruding shell 22 is in a trapezoid shape, the protruding shell 22 and the front side plate 2101 are integrated, and specifically, the protruding shell 22 and the front side plate 2101 can be manufactured by a metal integrated forming process or welded into a whole. An inlet and an outlet 211 are formed in the rear side panel 2102 of the vertical tube 21 at the corresponding position of the convex shell 22, so that sound components, light components and the like can be put into the convex shell 22 or taken out of the convex shell 22. A plurality of sound holes 221 are formed on the left and right sides of the protruding shell 22 for transmitting sound. In the embodiment shown in fig. 1 to 6, the detachable column 2 is assembled with the projection table 1 such that the protruding shell 22 is supported on the top surface of the projection table 1, the lower portion of the vertical tube 21 abuts against the positioning groove 1110 of the projection table 1, a screw is connected to a screw hole on the front side plate 2101 on the lower portion of the vertical tube 21, so as to fixedly connect the vertical tube 21 with the side surface of the projection table 1 by a screw, and the bottom end surface of the vertical tube 21 is flush with the bottom supporting surface of the projection table 1, i.e. the bottom end surface of the vertical tube 21 is also supported on the ground where the projection table 1 is located, so as to ensure stability. In another embodiment, referring to fig. 10, the embodiment shown in fig. 10 is different from the embodiment shown in fig. 1 to 6 mainly in the installation position of the detachable column 2. In the embodiment shown in fig. 10, the protruding shell 22 is located at the end of the lower part of the vertical tube 21, the detachable column 2 is integrally mounted on the top surface of the frame 111 of the projection table 1, and the bottom end surface of the vertical tube 21 and the bottom end surface of the protruding shell 22 are fixedly connected with the top surface of the projection table 1 through screws. The bottom end surface of the vertical pipe 21 and the bottom end surface of the convex shell 22 are both fixed with the top surface of the projection table 1, the contact supporting area is large, and the connection stability of the detachable upright post 2 can be enhanced.

Referring to fig. 2 and fig. 7 to 9, the main body 3 includes a housing 31, a projection unit disposed in the housing 31, a calculation and control unit, and a sensor 322. The calculation and control unit comprises a circuit board 323 and a controller electrically connected to the circuit board 323. The sensor 322 is electrically connected to the circuit board 323. The cabinet 31 includes a cabinet frame 311 and a cabinet panel 312. Casing frame 311 is the metal frame, and it includes many arris poles 3111, and mode such as welding, screw connection are passed through to many arris poles 3111 and are made up and form the frame. Since the housing frame 311 is mainly formed by combining the edge bars 3111, a plurality of surfaces of the housing frame 311 are open without being blocked, and the components such as the projection unit, the circuit board 323, the sensor 322, and the like in the housing frame can be conveniently mounted. The projection unit includes a projector 321 and a light supplement lamp (not shown), and the light supplement lamp can enhance the brightness of the projection picture of the projector 321 and improve the projection effect. The projection unit and the circuit board 323 are mounted on the housing frame 311, and the housing frame 311 is fixedly connected to the detachable column 2. Because the structural strength of arris pole 3111 is better, organism host computer 3 passes through casing frame 311 to be fixed on removable stand 2, and its connection stability is good. According to specific needs, the chassis frame 311 may be provided with a plurality of metal plates for mounting components inside the chassis 31. In one embodiment, the housing 31 has a heat sink and a power module inside for supplying power to the projection unit, the circuit board 323 and the sensor 322. The heat sink is used for dissipating heat of the projection unit, the circuit board 323, the sensor 322, and the like. In this embodiment, the heat dissipating member includes a heat dissipating fan 324, the casing frame 311 is provided with a fan mounting plate 3112 for the heat dissipating fan 324 to be mounted, the fan mounting plate 3112 is provided with a vent 3113, and the heat dissipating fan 324 blows air to dissipate heat of the projector 321, the circuit board 323, and at least one of the power module. The chassis panel 312 is formed by a metal plate, the chassis panel 312 is mounted on the chassis frame 311, and the chassis panel 312 covers a plurality of sides of the chassis frame 311, so as to cover the internal components such as the projection unit, the circuit board 323, the sensor 322, the heat dissipation fan 324 and the like in the chassis 31, thereby improving the appearance and the appearance of the main body 3. The chassis panel 312 has an opening 3121 corresponding to the projection opening 3211 of the projector 321, a first heat dissipation hole 3124 corresponding to the heat dissipation fan 324, and a second heat dissipation hole 3125 corresponding to the heat dissipation opening of the projector 321. The sensor 322 includes an internal sensor disposed in the housing 31, the internal sensor including one or more of an infrared sensor, a color sensor, and a binocular sensor. The enclosure panel 312 is provided with a sensor opening corresponding to the internal sensor. In the embodiment shown in fig. 8, the sensor openings include a first sensor opening 3122 and a second sensor opening 3123 corresponding to different types of sensors, and the shapes of the first and second sensor openings 3122, 3123 match the shape of the sensors. Further, the sensor 322 further includes an external sensor disposed outside the housing 31 and electrically connected to the circuit board 323, where the external sensor includes one or more of a radar sensor, a pressure sensor, a high-speed scanner, a scanner, and an infrared touch frame. The housing 31 is provided with an overhaul groove (not shown), and the circuit board 323 is provided with a plurality of external interfaces exposed in the overhaul groove. A wireless communication module electrically connected with the circuit board 323 is arranged in the machine body host 3, the wireless communication module receives a remote control instruction, and the circuit board 323 controls the projector to change a projected picture according to the remote control instruction received by the wireless communication module. The wireless communication module can be a WIFI module, a Bluetooth module, a GPRS module and the like. The machine body main machine 3 is arranged on the upper part of the detachable upright post 2 and is arranged opposite to the convex shell 22 up and down. Electric components such as circuit board 323, projection unit, sensor 322 in the organism host computer 3 pass through stereo set part, light part in connecting wire and the protruding shell 22 of removable stand 2 to and at least one of the electric property in the electric components such as the sensor that sets up in the projection table 1, luminescent light links to each other, the connecting wire is worn to establish the cavity inside of the vertical pipe 21 of removable stand 2. The sensor in the projection table 1 comprises an infrared touch frame, and the connecting wire is electrically connected with the infrared touch frame and the circuit board 323.

In one embodiment, the information acquisition device includes a wireless communication module and a sensor 322. The sensors 322 include one or more of a gesture sensor, a handle-like sensor, a vital sign measurement component, and an emotion collection component. The handle type sensor can utilize a keyboard handle protocol commonly used by windows or android platforms and the like, and comprises a handle, a keyboard, a remote control board, a dance mat and the like. The vital sign measurement component may measure vital signs such as heart rate, pulse, blood pressure, respiration, pain, blood oxygen, pupil, and corneal reflex. The emotion collection module may be a module that judges the emotion of a person by collecting the expression, the body movement, and the sound of the person. Specifically, the sensor 322 may include one or more of an infrared sensor, a color sensor, a binocular sensor, a radar sensor, a high-speed camera, a scanner, an acceleration sensor, a magnetic sensor, a gyroscope, a pressure sensor, and an infrared touch frame.

In an embodiment, the projection port 3211 of the projector 321 is retractable up and down, so as to achieve focusing and focusing, and adjust a projection range projected to the projection table 1, a size of a projection screen, and a degree of definition. In other embodiments, the vertical pipe 21 has a plurality of fixing positions in the vertical direction, and the body unit 3 is selectively installed in one of the fixing positions. In other embodiments, the main body 3 is vertically movable relative to the vertical pipe 21, for example, a slide rail is disposed on the vertical pipe 21, and the main body 3 has a sliding groove or a pulley engaged with the slide rail. In other embodiments, the vertical pipe 21 is disposed to be capable of extending and retracting up and down, for example, the vertical pipe 21 includes a plurality of sections that are sleeved with each other and can be pulled, the main body 3 is fixed on the uppermost vertical pipe 21, and the change of the distance between the main body 2 and the projection table 1 can be realized by pulling between the vertical pipes 21. In other embodiments, the projection plate 12 of the projection table 1 can move up and down, for example, a jacking device is arranged under the projection plate 12, the jacking device can jack up and drop down the projection plate 12, the jacking device can be driven by hand or by electricity, the concrete arrangement of the jacking device can refer to the prior art, such as a jack, an air cylinder, a hydraulic cylinder, a screw rod and the like, and details are not described herein.

As can be seen from the above description of the specific embodiments, the various sensors 322 included in the integrated desktop projection apparatus provided by the present application can detect the interaction on the projection path from the projection port 3211 to the projection table 1, and the calculation and control unit controls the projection unit to change the projected image according to the interaction detected by the sensors 322, thereby realizing entertainment interaction. The interaction may include a specific gesture, placing and removing a prop obstacle on the projection table 1, touch operation on an infrared touch frame, wirelessly transmitting a control signal through an operation handle, and the like. The integrated desktop projection device comprises a projection table 1, a machine body host 3 and a detachable upright post 2 which are connected into a whole, wherein a projection unit which is arranged in the machine body host 3 can project images to the projection table, the detachable upright post 2 is used for realizing the connection of the machine body host 3 and the projection table 1, and the three are connected into a whole, so that the integration degree is high; the machine body host 3 and the projection table 1 are respectively installed with the detachable upright post 2, after the installation is finished, the positioning between the machine body host 3 and the projection table 1 is accurate, and the assembly is convenient without repeated debugging; the integral desktop projection device formed can be moved integrally to meet the requirements of use in different environments and positions, and the application environment is wider.

Although the present application has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the application, and all changes, substitutions and alterations that fall within the spirit and scope of the application are to be understood as being covered by the following claims.

Claims (10)

1. The utility model provides an integral type desktop projection arrangement, its characterized in that, includes projection table, organism host computer and removable stand, the projection table with the organism host computer respectively with removable stand connects, and the three is connected as an organic wholely, the organism host computer is including being located the projection unit of projection table top, integral type desktop projection arrangement still includes information acquisition equipment and calculation and the control unit, the projection unit with information acquisition equipment respectively with calculation links to each other with the control unit, the projection unit includes the orientation the projection mouth of projection table, information acquisition equipment acquires mutual information data, calculation and the control unit basis mutual information data control that information acquisition equipment acquireed the projection unit changes the projected picture.

2. The unitary desktop projector as claimed in claim 1, wherein the removable post has a plurality of fixed positions in a vertical direction, and the main body unit is selectively mounted in one of the fixed positions; or the machine body host can move up and down relative to the detachable upright post; or the detachable upright post is arranged in a manner of being capable of stretching up and down; or the desktop of the projection table can be arranged in a way of lifting up and down.

3. The integrated desktop projection device of claim 1, wherein the body host comprises a housing, the projection unit and the calculation and control unit are both disposed in the housing, the projection unit comprises a projector and a fill-in light, and the calculation and control unit comprises a circuit board and a controller disposed on the circuit board.

4. The integrated desktop projector as claimed in claim 3, wherein the main body comprises a wireless communication module, a power module and a heat sink disposed inside the housing, the housing comprises a housing frame and a housing panel mounted on the housing frame, the housing panel has an opening corresponding to the projection opening, and the heat sink has a heat dissipating hole corresponding to the heat sink.

5. The integrated desktop projector as claimed in claim 3, wherein the information acquisition device comprises an internal sensor disposed inside the housing and an external sensor disposed outside the housing and electrically connected to the circuit board, wherein the internal sensor and/or the external sensor comprises one or more of an infrared sensor, a color sensor, a binocular sensor, a radar sensor, a pressure sensor, a high-speed scanner, a scanner, an infrared touch frame, an attitude sensor, a handle sensor, a vital sign measurement component, and a mood collection component.

6. The integrated desktop projector as claimed in claim 5, wherein the housing defines an access slot, and the circuit board defines a plurality of external connectors exposed to the access slot.

7. The integrated desktop projector as claimed in claim 1, wherein the detachable column is hollow, and a connecting wire is disposed inside the hollow of the detachable column, and the connecting wire connects the main body and the projection desk.

8. The integrated desktop projector as claimed in claim 1, wherein the detachable pillar comprises a vertical tube and a protrusion case protruding from one side of the vertical tube, the protrusion case is supported on the top surface of the projection desk, a sound box is installed in the protrusion case, and a plurality of sound holes are formed in the protrusion case.

9. The integrated desktop projector as claimed in claim 1, wherein the projection table comprises a projection plate and at least two detachable table assembling portions, the at least two table assembling portions are assembled to form a complete table, the projection plate is disposed on the table, and a frame of the table is higher than an inner plane thereof, so that the frame and the inner plane thereof form a groove, and the projection plate is disposed in the groove.

10. The integrated desktop projection device of claim 9 wherein the surface of the projection plate is painted with a projection paint.

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