CN215769312U - Intelligent projection equipment - Google Patents

Abstract

The utility model relates to the technical field of projection equipment, and particularly provides intelligent projection equipment which comprises a main control circuit board, a projection device, a camera and a detection module, wherein the projection device, the camera and the detection module are all electrically connected with the main control circuit board, the camera is used for capturing a projection image on a projection plane, the detection module is used for detecting the distance between the projection device and the projection plane, and the camera and the detection module are both positioned on the same plane with the projection end of the projection device. The field range of the camera is larger than the projection range of the projector. The main control circuit board obtains the projected image information caught by the camera and the distance information detected by the detection module, calculates through the main control circuit board, obtains the adjustment result of projected image to control projection arrangement according to appearance and the definition of adjustment result automatic adjustment projected image, like this, need not the manual regulation one by one of user, alright quick adjustment to expected effect, labour saving and time saving, whole equipment is more intelligent, improves the user and uses experience nature to it.

Description

Intelligent projection equipment

Technical Field

The utility model belongs to the technical field of projection equipment, and particularly relates to intelligent projection equipment.

Background

The projection equipment integrates the traditional television playing function and can be used for playing videos, characters, images and the like. Compared with the traditional television, the projection equipment is convenient to carry, larger in projection size and relatively low in price. At present, the definition and the appearance of a projection image of projection equipment need to be manually adjusted, which brings great inconvenience to users.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide intelligent projection equipment to solve the technical problem that in the prior art, the definition and the appearance of a projection image of the projection equipment need to be manually adjusted, so that great inconvenience is brought to a user.

In order to achieve the purpose, the utility model adopts the technical scheme that: the utility model provides an intelligent projection equipment, include the master control circuit board, be used for projecting the projection image to arbitrary projection plane's projection arrangement, be used for catching the camera of projection image on the projection plane and be used for detecting the detection module of distance between projection arrangement and the projection plane, projection arrangement the camera with detection module all with the master control circuit board electricity is connected, the camera with detection module all with projection arrangement's projection end is located the coplanar, the field of view scope of camera is greater than projection arrangement's projection scope, the master control circuit board acquires projection image information and distance information on the projection plane to calculate the adjustment result who reachs the projection image, projection arrangement is according to appearance and the definition of adjustment result automatically regulated projection head image.

Furthermore, the projection device comprises an optical machine for generating three-color light beams, an integration module which is butted with the optical machine and used for receiving the three-color light beams and integrating the three-color light beams to form projection light beams carrying projection information, and a projection lens which is butted with the integration module and used for conducting the projection light beams, wherein the optical machine and the integration module are electrically connected with the main control circuit board.

Furthermore, the projection device further comprises an automatic focusing assembly, the automatic focusing assembly is arranged on the side of the projection lens and connected with the projection lens, and the automatic focusing assembly is in control connection with the master control circuit board.

Furthermore, the projection device further comprises a heat dissipation system, the heat dissipation system comprises a fan and a heat conduction assembly, the fan is provided with an air inlet and an air outlet, one end of the heat conduction assembly is connected with the optical machine, the other end of the heat conduction assembly is located at the air outlet of the fan and opposite to the air outlet, and the optical machine, the integration module and the main control circuit board are all located on one side of the air inlet.

Furthermore, the heat conducting assembly comprises a heat dissipation group, at least one heat conducting substrate and at least one heat conducting piece, wherein each heat conducting substrate is arranged on the periphery of the optical machine, one end of each heat conducting piece is fixed on one heat conducting substrate, the other end of each heat conducting piece is connected with the heat dissipation group, and the heat dissipation group is positioned at the air outlet.

Furthermore, the heat dissipation system further comprises at least one heat dissipation member, each heat dissipation member comprises a heat dissipation substrate and a plurality of heat dissipation fins, one side of each heat dissipation fin is fixed on the plate surface of the heat dissipation substrate and is arranged at intervals, and the heat dissipation substrate is fixed on the side of the integration module.

Furthermore, the intelligent projection equipment further comprises a shell, the shell comprises a top cover and a shell with an accommodating cavity, the top cover is buckled at the top of the shell and is detachably connected with the shell, and the projection device, the main control circuit board, the camera and the detection module are all arranged in the accommodating cavity;

the front side of the shell is provided with a lens opening for the projection lens to insert, a camera opening for the camera to insert and a detection opening for the detection module to insert, and the lens opening, the camera opening and the detection opening are all communicated with the accommodating cavity;

the shell is provided with a first ventilation opening and a second ventilation opening at the side part of the shell at intervals, the first ventilation opening is relatively positioned above the air inlet, the second ventilation opening is opposite to the air outlet, and one end part of the heat-conducting component is positioned between the air outlet and the second ventilation opening.

Furthermore, intelligence projection equipment still includes the audio amplifier, the casing in hold the horizontal baffle of intracavity, hold the chamber by the baffle is divided into first appearance chamber and second appearance chamber, projection arrangement the main control circuit board the camera and detection module all locates first appearance intracavity, the audio amplifier is located the second holds the chamber and with the main control circuit board electricity is connected.

Furthermore, the sound box comprises a box body, an inverter tube and at least one loudspeaker, wherein the box body is provided with a sound cavity, a sound outlet communicated with the sound cavity and at least one loudspeaker hole communicated with the sound cavity, the sound outlet end of each loudspeaker extends out of one loudspeaker hole, and the end part opposite to the sound outlet end is positioned in the sound cavity; the inverted tube is provided with an air inlet, an air outlet and a guide cavity communicated with the air inlet and the air outlet, the inverted tube is arranged on the sound box, the air inlet is in butt joint with the sound outlet of the box body, and the air outlet is communicated with the outer side of the box body.

Furthermore, the inverter tube is arranged on the sound box in a roundabout serpentine shape, and each bending part is in smooth transition.

The intelligent projection equipment provided by the utility model has the beneficial effects that: the intelligent projection equipment comprises a main control circuit board, a projection device, a camera and a detection module, wherein the projection device is electrically connected with the main control circuit board, the projection device is used for projecting a projection image to any projection plane, the camera is used for capturing the projection image on the projection plane, the detection module is used for detecting the distance between the projection device and the projection plane, and the camera and the detection module are both located on the same plane with the projection end of the projection device, so that the accuracy of detecting the distance is improved. The field of view scope of camera is greater than the projection scope of projecting apparatus, like this, is convenient for the camera to catch complete projecting image. The main control circuit board obtains the projected image information caught by the camera and the distance information detected by the detection module, calculates through the main control circuit board, obtains the adjustment result of projected image to control projection arrangement according to appearance and the definition of adjustment result automatic adjustment projected image, like this, need not the manual regulation one by one of user, alright quick adjustment to expected effect, labour saving and time saving, whole equipment is more intelligent, improves the user and uses experience nature to it.

Drawings

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

Fig. 1 is a perspective assembly view of an intelligent projection device provided by an embodiment of the utility model;

fig. 2 is an exploded perspective view of an intelligent projection device provided in an embodiment of the present invention;

fig. 3 is an exploded perspective view of a projection apparatus provided in an embodiment of the present invention;

FIG. 4 is a perspective view of an autofocus assembly provided by an embodiment of the present invention;

fig. 5 is an exploded perspective view of the sound box according to the embodiment of the present invention;

fig. 6 is a partially exploded perspective view of an intelligent projection device provided by an embodiment of the present invention;

FIG. 7 is an exploded perspective view of a housing provided by an embodiment of the present invention;

FIG. 8 is an enlarged view at A in FIG. 7;

FIG. 9 is a perspective view of a top cover provided by an embodiment of the present invention;

fig. 10 is an enlarged view at B in fig. 9.

Wherein, in the figures, the respective reference numerals:

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

It will be understood that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or it can be indirectly fixed to or disposed on the other element through a third member. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element through a third component.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the utility model.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1 and fig. 2, an embodiment of the present invention provides an intelligent projection device 1, including a main control circuit board 100, a projection apparatus 200 for projecting a projection image to any projection plane, a camera 300 for capturing the projection image on the projection plane, and a detection module 400 for detecting a distance between the projection apparatus 200 and the projection plane, where the projection apparatus 200, the camera 300, and the detection module 400 are all electrically connected to the main control circuit board 100, the camera 300 and the detection module 400 are both located on the same plane as a projection end of the projection apparatus 200, a field range of the camera 300 is greater than a projection range of the projection apparatus 200, the main control circuit board 100 acquires information and distance information of the projection image on the projection plane, and calculates an adjustment result, and the projection apparatus 200 automatically adjusts an appearance and a definition of the projection image according to the adjustment result.

In this embodiment, the intelligent projection device 1 includes a main control circuit board 100 and a projection device 200, a camera 300 and a detection module 400 that are all electrically connected with the main control circuit board 100, the projection device 200 is used for projecting a projection image to any projection plane, the camera 300 is used for capturing the projection image on the projection plane, the detection module 400 is used for detecting the distance between the projection device 200 and the projection plane, the camera 300 and the detection module 400 are both located on the same plane with the projection end of the projection device 200, and the accuracy of detecting the distance is improved. The field of view of the camera 300 is larger than the projection range of the projector, which facilitates the camera 300 to capture a complete projection image. The main control circuit board 100 acquires the projected image information captured by the camera 300 and the distance information detected by the detection module 400, calculates the projected image adjustment result, and controls the projection device 200 to automatically adjust the appearance and definition of the projected image according to the adjustment result, so that the user can quickly adjust the projected image to an expected effect without manually adjusting the projected image one by one, time and labor are saved, the whole device is more intelligent, and the user experience of the user is improved.

In this embodiment, the detection module 400 is a TOF sensor, which is a distance detection sensor. The TOF sensors are provided with two TOF sensors and used for compensating errors generated when one TOF sensor detects the distance.

In the present embodiment, the main control circuit board 100 records reference data, that is, the projected image on the projection plane is clear and has a regular shape, and the detection module 400 is used to detect the distance between the current projection apparatus 200 and the projection plane and record the distance, that is, the reference data, according to the use requirement. When the position of the intelligent projection device 1 changes, or the projection environment changes, the detection module 400 is used to detect the distance between the current projection apparatus 200 and the projection plane, so as to form detection data. The main control circuit board 100 calculates according to the reference data and the detection data and by combining a linear formula to obtain a focusing result, and controls the projection apparatus 200 to perform fast focusing again. The main control circuit board 100 acquires the projection image captured by the camera 300, analyzes whether the definition of the projection image reaches the definition of the projection image in the reference data, and controls the projection device 200 to perform automatic calibration. Therefore, no matter the intelligent projection equipment 1 moves to any position, the projection device 200 can automatically focus, the projected image can quickly reach the expected definition, and the use requirement is met.

The intelligent projection device 1 can perform not only automatic focusing but also trapezoidal correction of the image, i.e. the shape adjustment of the projected image. Specifically, the detection module 400 is used to detect the distance between the projection device 200 and the current projection plane, the camera 300 is used to obtain the projection image projected onto the projection plane, and to obtain the plane coordinates of a plurality of feature points in the projection image, and to obtain the projection distance corresponding to each feature point according to the coordinates of each feature point and a preset image feature model, and then to obtain the three-dimensional coordinates of each feature point according to the plane coordinates of each feature point and the projection distance corresponding to each feature point; the projection equipment is corrected according to the three-dimensional coordinates, so that the appearance of a projection image projected to a projection plane reaches a target state, complete intellectualization is achieved, and the overall quality of the equipment is improved.

Referring to fig. 1 to 3, further, the projection apparatus 200 includes an optical machine 210, an integration module 220 and a projection lens 230, the optical machine 210 is used for generating three-color light velocity, the integration module 220 is connected to the optical machine 210 for receiving the three-color light beams and integrating the received three-color light beams to form a projection light beam carrying projection information, and the projection lens 230 is connected to the integration module 220 for clearly projecting the projection light beam. The optical machine 210 and the integration module 220 are electrically connected to the main control circuit board 100.

Referring to fig. 2 to 4, further, the projection apparatus 200 further includes an auto-focusing assembly 240, the auto-focusing assembly 240 is disposed at a side of the projection lens 230 and connected to the projection lens 230, and the auto-focusing assembly 240 is in control connection with the main control circuit board 100.

In this embodiment, the autofocus assembly 240 includes a driving motor 241, a supporting frame 242, a shifting fork 243, a transmission shaft 244 and a positioning shaft (not shown), the supporting frame 242 has an adjustment space 2401, the transmission shaft 244 and the positioning shaft are both horizontally disposed in the adjustment space 2401 and parallel to each other, the positioning shaft is fixed on the supporting frame 242, and one end of the transmission shaft 244 is in butt joint with a power output end of the driving motor 241 and rotates synchronously. The fork 243 is provided with a positioning hole (not shown) through which the positioning shaft passes and a driving hole (not shown) through which the driving shaft 244 passes and is screw-coupled with the driving hole. The shift fork 243 is driven by the driving motor 241 to move along the axis direction of the transmission shaft 244 and the positioning shaft. Specifically, the axial directions of the transmission shaft 244 and the positioning shaft are parallel to the axial direction of the projection lens 230, and are located at the side of the projection lens 230. A shift lever (not shown) is disposed at a side of the projection lens 230, an end of the shift lever is inserted into the shift fork 243, and the shift fork 243 drives the shift lever to move together, so as to adjust the focal length of the projection lens 230. The driving motor 241 is in control connection with the main control circuit board 100.

Referring to fig. 3, preferably, the projection apparatus 200 further includes a heat dissipation system 250, the heat dissipation system 250 includes a fan 251 and a heat conduction assembly 252, the fan 251 has an air inlet 2501 and an air outlet 2502, one end of the heat conduction assembly 252 is connected to the optical engine 210, the other end is located at the air outlet 2502 of the fan 251 and is opposite to the air outlet 2502, and the optical engine 210, the integration module 220 and the main control circuit board 100 are located at one side of the air inlet 2501.

In this embodiment, the main heat generating component of the projection apparatus 200 includes an optical engine 210, an integration module 220 and the main control circuit board 100, and the main heat generating portion of the optical engine 210 is a light source emitting different color lights. Specifically, the heat dissipation system 250 includes a fan 251 and a heat conducting element 252, one end of the heat conducting element 252 is connected to the light source of the optical engine 210, and the other end is located at the air outlet 2502 of the fan 251 and opposite to the air outlet 2502, so as to conduct heat generated by the light source out. The optical engine 210, the integration module 220, and the main control circuit board 100 are all located at one side of the air inlet 2501, opposite to the air inlet 2501. Like this, utilize heat conduction subassembly 252 to derive the heat that the light source during operation of ray apparatus 210 produced, combine fan 251 to form the wind current in certain space again, take out main control circuit board 100, ray apparatus 210, the heat on integration module 220 and the heat conduction subassembly 252 is whole, improve main control circuit board 100, the radiating effect of integration module 220 and ray apparatus 210, need not to increase the power of fan 251, the noise is little, the radiating effect is good, ensure that projection arrangement 200 normally works, the life of extension projection arrangement 200, improve the user experience nature to its use.

Referring to fig. 1 to 3 and fig. 7, the intelligent projection device 1 further includes a housing 500, the projection apparatus 200, the main control circuit board 100, the camera 300 and the detection module 400 are all disposed in the housing 500, the housing 500 and the side portion thereof are provided with a first vent 501 and a second vent 502 at intervals, the first vent 501 is located above the air inlet 2501, the second vent 502 is located opposite to the air outlet 2502, one end portion of the heat conduction element 252 is located between the air outlet 2502 and the second vent 502, an air flow formed between the first vent 501 and the air inlet 2501 passes through the optical machine 210, the integration module 220 and the main control circuit board 100, and heat is finally exhausted to the outside through the second vent 502. In this embodiment, the first ventilation opening 501 and the second ventilation opening 502 are uniformly distributed and provided with a plurality of air inlets, so that the air inlet amount and the heat dissipation amount are increased.

Referring to fig. 2, fig. 3 and fig. 7, preferably, the heat conducting assembly 252 includes a heat dissipating group 2521, at least one heat conducting substrate 2522 and at least one heat conducting element 2523, each heat conducting substrate 2522 is disposed around the optical engine 210, one end of each heat conducting element 2523 is fixed on one heat conducting substrate 2522, and the other end is connected to the heat dissipating group 2521, and the heat dissipating group 2521 is located between the air outlet 2502 and the second air outlet 502.

In the embodiment, the thermal substrate 2522 is a copper substrate, and the material of the thermal substrate 2522 is not limited to meet the thermal conductivity requirement. The heat conductivity of the light source of the optical engine 210 is increased by the heat conducting substrate 2522. One end of the heat conducting element 2523 is soldered on the heat conducting substrate 2522, and the other end is connected to the heat dissipating assembly 2521, so as to conduct the heat on the heat conducting substrate 2522 to the heat dissipating assembly 2521, thereby effectively increasing the heat dissipating area of the light source of the optical engine 210 and improving the heat dissipating efficiency of the light source. The heat dissipating unit 2521 is located at the air outlet 2502 of the fan 251, and the heat on the heat dissipating unit 2521 is quickly taken away by blowing air and dissipated out through the second air outlet 502, so as to further improve the heat dissipating efficiency of the light source, further improve the heat dissipating efficiency of the optical engine 210, and ensure the working stability of the optical engine 210.

The heat dissipating unit 2521 has a plurality of air channels 2503, and two openings of each air channel 2503 are respectively opposite to the air outlet 2502 and the second air outlet 502. Thus, the contact area between the wind flow and the heat dissipating unit 2521 is increased, and the heat dissipating rate of the heat dissipating unit 2521 is further improved.

The heat dissipating group 2521 includes a plurality of heat dissipating fins 25211 stacked together, and an air channel 2503 is formed between any two adjacent heat dissipating fins 25211. The end of each heat conducting element 2523 away from the heat conducting substrate 2522 transversely penetrates through each heat dissipating fin 25211; alternatively, the end of each thermal conductor 2523 remote from the thermally conductive substrate 2522 is laterally fixed to the side of each heat sink fin 25211. Thus, the heat generated by the light source of the optical engine 210 during operation is conducted to the heat dissipation fins 25211 through the heat conducting members 2523 to enlarge the heat dissipation area, and then the air outlet 2502 of the fan 251 is opposite to the heat dissipation fins 25211, and the air blown from the fan 251 flows through the air channels 2503 to quickly take away the heat on the heat dissipation fins 25211, thereby increasing the heat dissipation rate of the heat dissipation assembly 2521 and further increasing the heat dissipation rate of the light source generating colored light in the optical engine 210.

In the embodiment, the optical engine 210 has three color light sources, and correspondingly, three heat conducting substrates 2522 are provided, and the heat conducting elements 2523 are in one-to-one correspondence with the heat conducting substrates 2522. Each of the heat conductive substrates 2522 is fixed to each of the color light sources to conduct out heat generated therefrom.

Referring to fig. 2 and fig. 3, optionally, the heat dissipation system 250 further includes at least one heat dissipation member 253, each heat dissipation member 253 includes a heat dissipation substrate 2531 and a plurality of heat dissipation fins 2532, one side of each heat dissipation fin 2532 is fixed to the plate surface of the heat dissipation substrate 2531 and is arranged at intervals, and the heat dissipation substrate 2531 is fixed to the side of the integrated module 220. In this embodiment, the main heat dissipation component of the integration module 220 is a DMD chip, and the DMD chip mainly controls the integration of three colors of light to form image light. Each heat sink 253 is mainly disposed corresponding to the DMD chip, which can increase the heat dissipation area of the DMD chip, increase the heat dissipation rate, and ensure the normal operation of the chip.

Referring to fig. 2 and 3, the heat dissipating system 250 further includes a mounting bracket 254 mounted and fixed in the housing 500, the mounting bracket 254 has a mounting cavity 2504 and a first through opening 2505 and a second through opening 2506 communicated with the mounting cavity 2504, the fan 251 is fixed in the mounting cavity 2504, the air inlet 2501 is opposite to the first through opening 2505, the air outlet 2502 is opposite to the second through opening 2506, and the optical engine 210 is fixed on the mounting bracket 254 and located on the first through opening 2505.

The mounting bracket 254 further has a mounting groove 2507 and a third through-hole 2508, the second through-hole 2506 and the third through-hole 2508 are respectively disposed on two opposite sidewalls of the mounting groove 2507, and the heat dissipating group 2521 is disposed in the mounting groove 2507, so as to facilitate the positioning and mounting of the heat dissipating group 2521 and the arrangement of the heat conducting elements 2523. The third vent 2508 is opposite the second vent 502.

Referring to fig. 1, fig. 2 and fig. 7, the housing 500 includes a top cover 510 and a housing 520 having a containing cavity 503, the top cover 510 is fastened on the top of the housing 520 and detachably connected to the housing 520, and the projection apparatus 200, the main control circuit board 100, the camera 300 and the detection module 400 are all disposed in the containing cavity 503. Thus, the housing 500 can be quickly disassembled and assembled, and the structure inside the housing 500 can be conveniently repaired, maintained and replaced.

Referring to fig. 5 to 7, further, the intelligent projection device 1 further includes a sound box 600, a partition (not marked in the drawings) is disposed transversely in the accommodating cavity 503 of the housing 520, the accommodating cavity 503 is divided into a first accommodating cavity 5031 and a second accommodating cavity 5032 by the partition, the projection apparatus 200, the main control circuit board 100, the camera 300 and the detection module 400 are all disposed in the first accommodating cavity 5031, and the sound box 600 is disposed in the second accommodating cavity 5032 and electrically connected to the main control circuit board 100. Through setting up audio amplifier 600, richened intelligent projection equipment 1's functionality, promoted the user to the experience nature of its use.

Referring to fig. 5 and fig. 6, preferably, the sound box 600 includes a box 610, an inverter 620 and at least one speaker 630, the box 610 has a sound cavity 601, a sound outlet 602 communicating with the sound cavity 601 and at least one speaker hole 603 communicating with the sound cavity 601, a sound outlet of each speaker 630 extends from one speaker hole 603, and an end opposite to the sound outlet is located in the sound cavity 601; the inverter tube 620 has an air inlet 6201, an air outlet 6202, and a guiding cavity 6203 communicating the air inlet 6201 and the air outlet 6202, the inverter tube 620 is disposed in the sound box 600, the air inlet 6201 is in butt joint with the sound outlet 602 of the box 610, and the air outlet 6202 is communicated with the outer side of the box 610.

In this embodiment, the sound box 600 includes a box 610, an inverter 620 and at least one speaker 630, the speaker 630 is a transducer for converting an electrical signal into an acoustic signal, the box 610 has a sound cavity 601, a sound outlet 602 communicating with the sound cavity 601, and at least one speaker hole 603 communicating with the sound cavity 601, a sound outlet of each speaker 630 extends from one speaker hole 603, and an end opposite to the sound outlet is located in the sound cavity 601. The inverter tube 620 has an air inlet 6201, an air outlet 6202, and a guiding cavity 6203 communicating the air inlet 6201 and the air outlet 6202, the inverter tube 620 is disposed in the sound box 600, the air inlet 6201 is in butt joint with the sound outlet 602 of the box 610, and the air outlet 6202 is communicated with the outer side of the box 610. Thus, when the sound box 600 works, the sound waves radiated into the sound cavity 601 by the speakers 630 enter the inverter 620 from the air inlet 6201, are transmitted along the guiding cavity 6203 of the inverter 620, and are radiated to the space outside the box body 610 through the air outlet 6202, and the sound waves transmitted to the external space through the air outlet 6202 are superposed with the sound waves emitted by the sound outlet ends of the speakers 630, so that the sound wave radiation effect of the frequency band is enhanced, the bass effect of the speakers 630 is improved, the sound quality of the sound box 600 is enhanced, and the market competitiveness of the application products of the sound box is improved.

Referring to fig. 5 and fig. 6, the casing 610 has a receiving cavity 604 recessed on the upper side thereof and adapted to the shape of the phase inverter 620, the receiving cavity 604 has two extending ends in the extending direction, one end of the receiving cavity is communicated with the outside of the casing 610, and the other end of the receiving cavity is communicated with the sound cavity 601 through the sound outlet 602; inverter tube 620 is installed in receiving groove 604. Thus, on one hand, the inverter tube 620 is provided with an installation environment, and on the other hand, the overall space occupancy rate of the sound box 600 is effectively reduced.

Preferably, the inverter tube 620 is arranged on the sound box 600 in a serpentine shape and smoothly transits at each bending position.

In this embodiment, the serpentine inverter 620 reduces the size and length of the inverter 620 to accommodate a smaller volume enclosure 600, while reducing the airflow rate and avoiding excessive noise. Each bending part of the phase reversal pipe 620 is smooth transition, the smooth pipeline can enable the gas circulation in the phase reversal pipe to be smoother, and air damping and low-frequency time delay are increased on the premise of not influencing tone quality, so that the radiation effect of low-frequency sound waves is further superposed and enhanced.

The inverter tube 620 has a polygonal, circular or elliptical cross-section. In this embodiment, the cross section of the conduit is rectangular, and the shape of the cross section is not limited.

Preferably, both ends of the inverter tube 620 are flared.

In this embodiment, the air inlet 6201 of the inverter tube 620 is designed to be flared, so that more sound waves can enter the guiding cavity 6203 and the flow rate of the air flow at the air inlet 6201 can be slowed down, thereby avoiding noise caused by excessive flow rate and delaying the sound waves with low frequency. The air outlet 6202 of the inverter tube 620 is designed to be flared, so that the sound waves transmitted through the guiding cavity 6203 can be expanded, and the sound waves are quickly superposed with the sound waves emitted by the sound-emitting ends of the speakers 630, thereby effectively improving the bass effect of the speakers 630 and enhancing the sound quality of the sound box 600.

Referring to fig. 5 and fig. 6, specifically, the inverter tube 620 includes a main tube 621 having a U-shaped cross section and a cover plate 622 fastened on the main tube 621, the main tube 621 and the cover plate 622 together form a guiding cavity 6203, and the main tube 621 is disposed in the receiving groove 604 and is adapted to the receiving groove 604.

Casing 610 includes upper half shell 611 and lower half shell 612, and upper half shell 611 and lower half shell 612 snap together, form sound cavity 601 together, and storage tank 604 locates upper side of upper half shell 611.

Referring to fig. 7 to 10, the housing 520 has a first port 504 communicating with the accommodating chamber 503.

The housing 500 further includes a detachable structure 530, wherein the detachable structure 530 is connected between the top cover 510 and the housing 520, and the detachable connection between the top cover 510 and the first port 504 of the housing 520 is realized.

The housing 500 further includes a positioning structure 540, and the positioning structure 540 is connected between the top cover 510 and the first port 504 of the housing 520, so as to realize positioning and installation of the top cover 510 and improve the assembly efficiency of the top cover 510 and the housing 520. When the housing 500 needs to be assembled, the top cover 510 only needs to be preferentially positioned with the first port 504 of the housing 520 through the positioning structure 540, and then is directly connected through the detachable structure 530, so that rapid positioning and assembly are realized; when the shell 500 needs to be detached, only a certain external force needs to be applied to break the connection relationship between the top cover 510 and the shell 520, so that the rapid detachment is realized. Like this, when the projecting apparatus was maintained, was maintained or was changed inside spare part, can realize location, equipment fast, quick dismantlement, shortened greatly and dismantled and assemble the time, need not threaded fastener, and whole outward appearance is clean and tidy, improves the user and experiences nature to its use.

The detachable structure 530 includes a wall 531 protruding from the edge of the lower surface of the top cover 510, a plurality of protrusions 532 spaced from the wall 531 in the circumferential direction, and a plurality of notches 533 corresponding to the protrusions 532 at the first port 504 of the housing 520, wherein the protrusions 532 are respectively inserted into the corresponding notches 533. In this way, the removable attachment of the cap 510 to the housing 520 is achieved.

Alternatively, the detachable structure 530 includes a plurality of hooks extending from the edge of the top cap 510 toward the housing 520 at intervals in the circumferential direction, and bayonets corresponding to the hooks at the first port 504 of the housing 520, and the hooks are respectively inserted into and engaged with the corresponding bayonets.

The positioning structure 540 includes a plurality of positioning grooves 541 formed at the edge of the lower surface of the top cover 510 at intervals in the circumferential direction, and a plurality of positioning blocks 542 arranged on the end surface of the housing 520 facing the top cover 510, and each positioning block 542 is inserted into one positioning groove 541. Thus, before the top cover 510 is fastened, the top cover 510 and the first port 504 of the housing 520 are positioned, and when the positioning blocks 542 are inserted into the corresponding positioning grooves 541, a certain pressure is applied to the top cover 510 in the direction of the housing 520, so that the fastening protrusions 532 on the top cover 510 are respectively inserted into the fastening holes 533, thereby realizing the quick fastening of the top cover 510.

The positioning structure 540 further includes positioning protrusions 543 protruding from the bottom of each positioning groove 541, and positioning slots 544 formed on the top surfaces of the positioning blocks 542, and the positioning protrusions 543 are respectively inserted into the positioning slots 544. Thus, the positioning accuracy between the top cover 510 and the housing 520 is further improved, and after the positioning is ensured, the respective catching projections 532 and the respective catching holes 533 on the top cover 510 are accurately aligned.

The housing 520 includes a middle shell 521 and a bottom cover 522, the middle shell 521 has a receiving cavity 503, a first port 504 and a second port 505 opposite to and in communication with the first port 504, and the bottom cover 522 is fastened to the second port 505 by an alignment structure. In this embodiment, the bottom cap 522 is fixed to the middle case 521 by a screw coupling.

In this embodiment, the middle shell 521 is transversely provided with a partition board in the middle of the accommodating cavity 503, and the partition board divides the accommodating cavity 503 into a first accommodating cavity 5031 and a second accommodating cavity 5032 which are vertically arranged. The first cavity 5031 communicates with the first port 504 and the second cavity 5032 communicates with the second port 505. The second cavity 5032 accommodates the sound box 600, and the first cavity 5031 accommodates the projection device 200, the camera 300, the detection module 400, the heat dissipation system 250, and the like.

The middle case 521 is provided at its front side with a lens opening 5201 into which the projection lens 230 is inserted, a camera opening 5202 into which the camera 300 is inserted, and a detection opening 5203 into which the detection module 400 is inserted, and the lens opening 5201, the camera opening 5202, and the detection opening 5203 are all communicated with the accommodation chamber 503.

The middle case 521 is provided at its left and right sides with bell mouths 5204 communicating with the accommodation chamber 503, respectively.

The middle case 521 is provided at the rear side thereof with a plurality of functional interfaces communicating with the accommodation chamber 503. The plurality of functional interfaces are a USB interface 5205 to which a USB connector is inserted, a power interface 5206 to which a power connector is inserted, and an HDMI interface 5207 to which an HDMI connector is inserted, respectively, but are not limited thereto and are set according to specific requirements.

In this embodiment, the intelligent projection device 1 further includes a start button 700, which is connected to the main control circuit board 100 and disposed on the top cover 510.

In this embodiment, the first ventilation opening 501 and the second ventilation opening 502 are connected to the first cavity 5031 and are disposed on different sides.

Referring to fig. 7, the housing 520 further includes an enclosure 523 having a U-shaped cross section, and the enclosure 523 encloses the front side, the left side, and the right side of the middle case 521 and is detachably connected to the middle case 521. On the one hand, the middle shell 521 is protected, and on the other hand, the whole shell 500 is more beautiful.

The enclosure 523 is provided with an opening 5208 at its front side, and the opening 5208 is opposed to and communicates with the lens port 5201 and the detection port 5203 of the middle case 521. The casing 523 is further provided with a plurality of sound holes 5209 on the left and right sides thereof, and the sound holes 5209 on each side are opposite to and communicate with the bell mouth 5204 of the middle casing 521.

In the present embodiment, the enclosure 523 is provided with a plurality of air inlet holes 506 at a side opposite to the first vent 501.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides an intelligent projection equipment, its characterized in that includes the master control circuit board, is used for projecting the projection image to arbitrary projection plane's projection arrangement, is used for catching the camera of projection image on the projection plane and is used for detecting the detection module of distance between projection arrangement and the projection plane, projection arrangement the camera with detection module all with the master control circuit board electricity is connected, the camera with detection module all with projection arrangement's projection end is located the coplanar, the field of view scope of camera is greater than projection arrangement's projection scope, the master control circuit board acquires projection image information and distance information on the projection plane to the adjustment result that calculates the projection image, projection arrangement is according to appearance and the definition of adjustment result automatically regulated projection image.

2. The intelligent projection device as claimed in claim 1, wherein the projection apparatus includes an optical engine for generating three-color light beams, an integration module connected to the optical engine and configured to receive the three-color light beams and integrate the three-color light beams to form projection light beams carrying projection information, and a projection lens connected to the integration module and configured to transmit the projection light beams, and both the optical engine and the integration module are electrically connected to the main control circuit board.

3. The intelligent projection device as claimed in claim 2, wherein the projection apparatus further comprises an auto-focusing assembly, the auto-focusing assembly is disposed on a side of the projection lens and connected to the projection lens, and the auto-focusing assembly is in control connection with the main control circuit board.

4. The intelligent projection device as claimed in claim 2, wherein the projection apparatus further comprises a heat dissipation system, the heat dissipation system comprises a fan and a heat conduction assembly, the fan has an air inlet and an air outlet, one end of the heat conduction assembly is connected to the optical engine, the other end of the heat conduction assembly is located at the air outlet of the fan and opposite to the air outlet, and the optical engine, the integration module and the main control circuit board are all located on one side of the air inlet.

5. The intelligent projection device as claimed in claim 4, wherein the heat conducting assembly comprises a heat dissipating assembly, at least one heat conducting substrate and at least one heat conducting member, each heat conducting substrate is disposed around the optical engine, one end of each heat conducting member is fixed to one heat conducting substrate, and the other end of each heat conducting member is connected to the heat dissipating assembly, and the heat dissipating assembly is located at the air outlet.

6. The intelligent projection device as claimed in claim 4, wherein the heat dissipation system further comprises at least one heat dissipation member, each heat dissipation member comprises a heat dissipation substrate and a plurality of heat dissipation fins, one side of each heat dissipation fin is fixed to the plate surface of the heat dissipation substrate and is arranged at intervals, and the heat dissipation substrate is fixed to the side of the integrated module.

7. The intelligent projection device as claimed in claim 4, wherein the intelligent projection device further comprises a housing, the housing comprises a top cover and a housing having a receiving cavity, the top cover is fastened to the top of the housing and detachably connected to the housing, and the projection apparatus, the main control circuit board, the camera and the detection module are all disposed in the receiving cavity;

the front side of the shell is provided with a lens opening for the projection lens to insert, a camera opening for the camera to insert and a detection opening for the detection module to insert, and the lens opening, the camera opening and the detection opening are all communicated with the accommodating cavity;

the shell is provided with a first ventilation opening and a second ventilation opening at the side part of the shell at intervals, the first ventilation opening is relatively positioned above the air inlet, the second ventilation opening is opposite to the air outlet, and one end part of the heat-conducting component is positioned between the air outlet and the second ventilation opening.

8. The intelligent projection device as claimed in claim 7, wherein the intelligent projection device further comprises a sound box, a partition board is transversely disposed in the accommodating cavity of the housing, the accommodating cavity is divided into a first accommodating cavity and a second accommodating cavity by the partition board, the projection apparatus, the main control circuit board, the camera and the detection module are all disposed in the first accommodating cavity, and the sound box is disposed in the second accommodating cavity and electrically connected to the main control circuit board.

9. The intelligent projection device as claimed in claim 8, wherein the sound box comprises a box body, an inverter tube and at least one loudspeaker, the box body is provided with a sound cavity, a sound outlet communicated with the sound cavity and at least one loudspeaker hole communicated with the sound cavity, the sound outlet end of each loudspeaker respectively extends out of one loudspeaker hole, and the end part opposite to the sound outlet end is positioned in the sound cavity; the inverted tube is provided with an air inlet, an air outlet and a guide cavity communicated with the air inlet and the air outlet, the inverted tube is arranged on the sound box, the air inlet is in butt joint with the sound outlet of the box body, and the air outlet is communicated with the outer side of the box body.

10. The intelligent projection device of claim 9, wherein the inverter tube is arranged in a serpentine shape on the sound box and each bend has a smooth transition.

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