A scalable water ball screen projection device

Abstract

A kind of telescopic water ball screen projection device belongs to the field of advertising equipment, is by base plate, protective cover, projector group, water ball injection device, lifting device, protective cover lifting device, water pump, air compressor is formed, protective cover is installed on the both sides of base plate, water ball injection device is fixed on base plate, telescopic water pipe of water ball injection device passes through base plate and is connected on water pump and air compressor, projector group is installed on the telescopic water pipe of water ball injection device, the upper end of lifting device is fixed on the bottom surface of water ball injection nozzle of water ball injection device, and the lower end is fixed on the upper surface of projector group, telescopic structure is adopted, will not affect normal work of garbage ship, is equipped with protective cover, can prevent water and prevent sunburn, water ball injection port is double-layer porous structure, gas is added in water, and the water ball sprayed is composed of water bead and water mist, projector picture is presented, telescopic structure adopts screw nut, ensure that state will not be changed when working, is installed on garbage ship, improves the utilization rate of garbage ship.

Description

TECHNICAL FIELD

[0001] The present application relates to a kind of telescopic water ball screen projection device, specifically, water ball jet port is ejected by two layers of water droplets and the water mist in the middle of it to present projection picture, belongs to the field of advertising equipment. BACKGROUND

[0002] At present, the garbage cleaning of urban river is mainly relied on garbage cleaning ship, some of these cleaning ships are manually driven, and some are automatically driven, but only garbage cleaning work can be completed, and the function is relatively single, especially at night, the garbage ship is idle.

[0003] In order to beautify the city night scene, people set up a number of lights and some music fountain on the river, even large water curtain film, but these facilities, either single function, like light and music fountain, or huge cost, like water curtain film, these devices cannot move on the water surface, the display scene is fixed, lack of information, stronger, movable advertising picture or video carrier on the water surface.

[0004] If the idle garbage cleaning ship at night, especially the garbage cleaning ship with automatic driving function, can be fully utilized, and the advertising picture or video playing device that can be projected on the hemispherical water curtain is added, it will have good application and can produce ideal economic and social benefits. SUMMARY

[0005] In view of the problem that there is no advertising picture or video playing device that can be added to the garbage cleaning ship and projected on the hemispherical water curtain, the present application provides a telescopic water ball screen projection device.

[0006] The present application is realized by the following technical scheme: a telescopic water ball screen projection device is composed of a chassis, a protective cover, a projector group, a water ball jet device, a lifting device, a protective cover lifting device, a water pump and an air compressor, two protective covers are installed on both sides of the chassis, the water ball jet device is fixed on the chassis, the telescopic water pipe of the water ball jet device passes through the chassis and is connected to the water pump and the air compressor, the projector group is installed on the telescopic water pipe outer cylinder of the water ball jet device, the lifting device is fixed on the bottom surface of the water ball jet nozzle of the water ball jet device at the upper end and is fixed on the upper surface of the projector group at the lower end, and the protective cover lifting device is fixed on the motor support at the bottom of the chassis.

[0007] The bottom plate is composed of a bottom plate body, water pipe holes, a bottom plate fixing hole, a protective cover fixing screw, a protective cover slide, a motor support and a mounting rod.

[0008] The protective cover is a quarter spherical body, which is divided into a protective cover body, a protective cover limiting hole, a protective cover slide rail, a protective cover tooth groove and a water inlet hole.

[0009] The projector group is composed of a projector, a projector protective cover, a projector mounting plate, a microcomputer host, a power supply and a heat dissipation port.

[0010] The water ball injection device is composed of a telescopic water pipe, a telescopic water pipe outer cylinder and a water ball injection nozzle.

[0011] The water ball injection nozzle is divided into an upper water outlet, a lower water outlet and a water inlet.

[0012] The lifting device is composed of a lower base, a nut connecting block, a gear set, a motor, a rod, an upper base and a screw rod.

[0013] The protective cover lifting device is composed of a self-locking motor and a self-locking motor gear.

[0014] The water pump is composed of a water pump, an inlet filter screen and an inlet pipe.

[0015] The advertisement picture or video projected on the semispherical water curtain is pre-deformed to make the visual effect similar to the original advertisement picture or video.

[0016] The beneficial effects of the application are that the telescopic structure is adopted, the device is retracted when the garbage ship works in the daytime, and the normal work of the garbage ship is not affected; the device is provided with a protective cover, which can prevent the device from being exposed to the sun and aging in the daytime, and can also prevent rain in rainy days; the water ball injection port is a double-layer porous structure, the gas is filled by an air compressor in water, the water ball injected is double-layer nested, the water ball is composed of a plurality of water beads, and water mist is interposed between the two water balls, so that the picture of the projector can be better presented; the telescopic structure adopts a lead screw nut, the lead screw nut has a self-locking characteristic, and the state of the device is ensured not to be changed under external force when the device works; the water inlet filter screen is composed of two nested inner and outer filter screens, the bottom of the outer screen of the water inlet filter screen is provided with an opening, so that the objects adsorbed on the inner screen can be smoothly discharged when the water pump stops working; the device is installed on the garbage ship, and the utilization rate of the garbage ship is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a three-dimensional structure schematic view of the application in standby mode.

[0018] Figure 2 It is a three-dimensional structure schematic view of the application in standby mode.

[0019] Figure 3 It is a schematic view of forming a water curtain of the application.

[0020] Figure 4 It is a three-dimensional structure schematic view of the bottom plate part of the application.

[0021] Figure 5 It is a three-dimensional structure schematic view of the protective cover part of the application.

[0022] Figure 6 It is a three-dimensional structure schematic view of the projector part of the application.

[0023] Figure 7 It is a three-dimensional structure schematic view of the projector part of the application.

[0024] Figure 8 It is a three-dimensional structure schematic view of the water ball injection device part of the application.

[0025] Figure 9 It is a three-dimensional structure schematic view of the water ball injection nozzle part of the application.

[0026] Figure 10 It is a three-dimensional structure schematic view of the lifting device part of the application.

[0027] Figure 11 It is a three-dimensional structure schematic view of the lifting device part of the application.

[0028] Figure 12 It is a partial view of the protective cover lifting device of the application.

[0029] Figure 13The three-dimensional structure schematic diagram of the water inlet filter screen of the application.

[0030] Figure 14 The three-dimensional structure schematic diagram of the outer screen of the water inlet filter screen of the application.

[0031] Figure 15 The three-dimensional structure schematic diagram of the inner screen of the water inlet filter screen of the application.

[0032] In the figure, 1 is a base, 2 is a protective cover, 3 is a projector group, 4 is a water ball spraying device, 5 is a lifting device, 6 is a protective cover lifting device, 7 is a water pump, and 8 is an air compressor.

[0033] 101 is a base body, 102 is a water pipe hole, 103 is a base fixing hole, 104 is a protective cover fixing screw, 105 is a protective cover slide, 106 is a motor support, and 107 is a mounting rod.

[0034] 201 is a protective cover body, 202 is a protective cover limiting hole, 203 is a protective cover slide rail, 204 is a protective cover tooth groove, and 205 is a water inlet pipe hole.

[0035] 301 is a projector, 302 is a projector protective cover, 303 is a projector mounting plate, 304 is a microcomputer host, 305 is a power supply, and 306 is a heat dissipation port.

[0036] 401 is a telescopic water pipe, 402 is a telescopic water pipe outer cylinder, 403 is a water ball spraying nozzle, 4031 is an upper water outlet, 4032 is a lower water outlet, 4033 is a water inlet, and 404 is a water ball.

[0037] 501 is a lifting device lower base, 502 is a nut connecting block, 503 is a gear group, 504 is a motor, 505 is a rod, 506 is a lifting device upper base, and 507 is a bidirectional screw.

[0038] 601 is a gear, and 602 is a self-locking motor.

[0039] 701 is a water inlet filter screen, 7011 is an outer screen of the water inlet filter screen, 7012 is an inner screen of the water inlet filter screen, and 702 is a water inlet pipe. DETAILED DESCRIPTION

[0040] A kind of scalable water ball screen projection device, is by bottom disc 1, protective cover 2, projector group 3, water ball injection device 4, lifting device 5, protective cover lifting device 6, water pump 7, air compressor 8 composition, two protective cover 2 are installed on the both sides of bottom disc 1, water ball injection device 4 is fixed on bottom disc 1, the telescopic water pipe 401 of water ball injection device 4 passes through bottom disc 1 and is connected on water pump 7 and air compressor 8, projector group 3 is installed on the telescopic water pipe outer cylinder 402 of water ball injection device 4, the upper end of lifting device 5 is fixed in the water ball injection nozzle bottom surface of water ball injection device 4, and the lower end is fixed on the upper surface of projector group 3, protective cover lifting device 6 is fixed on the motor support 106 of bottom disc bottom.

[0041] The bottom disc 1 is composed of a bottom disc body 101, water pipe holes 102, bottom disc fixing holes 103, protective cover fixing screws 104, protective cover slides 105, motor supports 106 and mounting rods 107, two water pipe holes 102 longitudinally penetrate the bottom disc body 101, the bottom disc fixing holes 103 are on the side of the bottom disc body 101, used for fixing the present application, the protective cover fixing screws 104 are installed on the side of the bottom disc body 101, used for fixing the protective cover 2, the protective cover slides 105 are on the circumferential surface of the bottom disc body 101, which are T-shaped grooves longitudinally penetrating the bottom disc body 101, the motor supports 106 are on the bottom surface of the bottom disc body 101 close to the protective cover slides 105, and the mounting rods 107 are used to mount the device.

[0042] The protective cover 2 is a quarter sphere, which is divided into a protective cover body 201, protective cover limiting holes 202, protective cover slides 203, protective cover tooth grooves 204 and water inlet pipe holes 205, the protective cover limiting holes 202 are through holes on the two side surfaces of the protective cover body 201, with a circular arc angle of 90°, and the two protective cover limiting holes 202 are symmetrically distributed, the protective cover tooth grooves 204 are tooth grooves in the inner surface of the protective cover body 201, and the protective cover slides 203 are T-shaped slides installed on the inner surface of the protective cover body 201 on the two sides of the protective cover tooth grooves 204.

[0043] The projector group 3 is composed of projectors 301, projector protective covers 302, projector mounting plates 303, microcomputer mainframes 304, power supplies 305 and heat dissipation openings 306, the two projectors 301 are placed on the projector mounting plate 303 with lenses facing outward, the projector protective cover 302 fixes the projector 301 on the projector mounting plate 303, the microcomputer mainframe 304 and the power supply 305 are installed in the middle of the projector mounting plate 303, the heat dissipation openings 306 are on the two sides of the microcomputer mainframe 304 and the power supply 305, and the mounting holes on the two sides of the projector mounting plate 303 are mounted on the telescopic water pipe outer cylinder 402.

[0044] The water ball spraying device 4 is composed of a telescopic water pipe 401, a telescopic water pipe outer tube 402 and a water ball spraying nozzle 403, the water ball spraying nozzle 403 sprays a semi-spherical water ball 404, the telescopic water pipe 401 is a telescopic hose, the telescopic water pipe outer tube 402 is a telescopic hard pipe, the telescopic water pipe 401 is sleeved in the telescopic water pipe outer tube 402, the lower end of the telescopic water pipe 401 is connected with a water pump 7 and an air compressor 8, and the water ball spraying nozzle 403 is fixed on the top of the telescopic water pipe outer tube 402 through a bent neck.

[0045] The water ball spraying nozzle 403 is divided into an upper water outlet 4031, a lower water outlet 4032 and a water inlet 4033 in structure, the water inlet 4033 is connected with the upper end of the telescopic water pipe 401, the upper water outlet 4031 and the lower water outlet 4032 are spaced apart by a certain distance, two nested water balls 404 are sprayed, and water mist is formed between the two water balls 404, which is more conducive to the projection.

[0046] The lifting device 5 is composed of a lifting device lower base 501, a nut connecting block 502, a gear set 503, a motor 504, a rod 505, a lifting device upper base 506 and a bidirectional screw rod 507, the motor 504 is installed on a motor support 106 of the lifting device lower base 501, a first gear of the gear set 503 is installed on the motor 504, a second gear is installed on the bidirectional screw rod 507, both ends of the bidirectional screw rod 507 are installed on the lifting device lower base 501 through bearings, a gear is installed on the middle part of the bidirectional screw rod 507, the threads on both sides are opposite in rotation direction, the nuts move in opposite directions when rotating, the threads of the nut connecting block 502 are engaged with the threads of the bidirectional screw rod 507, the nut connecting block 502 is installed on the rod 505 through the installation hole, a plurality of rods 505 are combined into a diamond-shaped telescopic mechanism, and the upper end of the rod is connected with the lifting device upper base 506.

[0047] The protective cover lifting device 6 is composed of a gear 601 and a self-locking motor 602, the self-locking motor 602 is installed on the motor support 106, the gear 601 is connected to the output shaft of the self-locking motor 602, and the gear 601 is engaged with the protective cover gear slot 204 on the protective cover 2.

[0048] The water pump 7 is composed of a water pump, an inlet filter screen 701 and an inlet pipe 702, the inlet filter screen 701 is composed of an outer screen 7011 and an inner screen 7012, the two screens are nested, the bottom of the outer screen 7011 has an opening, the opening can make the objects adsorbed on the inner screen smoothly discharge when the water pump stops working, the water pump 7 and the air compressor 8 are both provided with a pressure gauge, the water pressure of the water pump 7 is 0.4-0.6 MPa, the air pressure of the air compressor 8 is 0.4-0.6 MPa, the air pressure of the air compressor 8 should be adjusted to be consistent with the water pressure of the water pump 7 during use, and the volume of the output water and the volume of the output gas should be kept at 3:1, so that the water flow sprayed through the upper water outlet 4031 and the lower water outlet 4032 of the water ball jet nozzle 403 is sufficiently foamed, and a two-layer semi-transparent semi-spherical water ball 404 is formed.

[0049] The advertisement picture or video projected by the projector 301 on the semi-spherical water ball 404 is pre-deformed, so that the visual effect after being projected on the semi-spherical water ball 404 is similar to that of the original advertisement picture or original video.

[0050] When the device is working, the self-locking motor 602 drives the gear 601 to rotate, the gear 601 meshes with the protective cover tooth groove 204, drives the protective cover 2 to rotate, the protective cover tooth groove 204 slides in the protective cover slide 105, rotates the protective cover 2 to the bottom of the chassis 1, the protective cover limiting hole controls the rotation angle of the protective cover 2 not to exceed 90°, the motor shaft cannot rotate in the case of power failure, the protective cover 2 cannot rotate under the action of gravity, the motor 504 works to drive the first gear of the gear set 503 to rotate, the first gear drives the second gear to rotate, the second gear drives the bidirectional screw rod 507 to rotate, the two nut connecting blocks 502 move to the middle under the driving of the bidirectional screw rod 507, the rod piece 505 is elongated, the lifting device upper base 506 moves up, the telescopic water pipe 401 and the telescopic water pipe outer cylinder 402 are elongated, the water pump 7 and the air compressor 8 work, water and gas are sprayed from the water ball jet nozzle 403, the water outlet of the water ball jet nozzle 403 is a plurality of holes, the water mixed with gas is horizontally sprayed, the water droplets move downward under the action of gravity, form the water ball 404, the projector 301 projects the image to the water ball 404, the water ball 404 is composed of a plurality of water droplets and water mist, and can display the image; when the device stops working, the projector 301 is turned off, the water pump 7 and the air compressor 8 are powered off, the motor 504 is powered in reverse, drives the first gear of the gear set 503 to rotate, the first gear drives the second gear to rotate, the second gear drives the bidirectional screw rod 507 to reverse, the two nut connecting blocks 502 move to both ends under the driving of the bidirectional screw rod 507, the rod piece 505 is shortened, the lifting device upper base 506 moves down, the telescopic water pipe 401 and the telescopic water pipe outer cylinder 402 are shortened, the self-locking motor 602 is reversed, drives the gear 601 to rotate, the gear 601 drives the protective cover 2 to rotate, rotates the protective cover 2 to the top of the chassis 1.

[0051] For those skilled in the art, according to the teachings of the present application, the changes, modifications, replacements and variations made to the embodiments without departing from the principles and spirits of the present application still fall within the protection scope of the present application.

Claims

1. A retractable water balloon projection device, comprising a chassis, a protective cover, a projector assembly, a water balloon spraying device, a lifting device, a protective cover lifting device, a water pump, and an air compressor, characterized in that: Two protective covers are installed on both sides of the chassis. The water balloon spray device is fixed to the chassis. The telescopic water pipe of the water balloon spray device passes through the chassis and connects to the water pump and air compressor. The projector assembly is installed on the outer cylinder of the telescopic water pipe of the water balloon spray device. The upper end of the lifting device is fixed to the bottom surface of the water balloon nozzle of the water balloon spray device, and the lower end is fixed to the upper surface of the projector assembly. The protective cover lifting device is fixed to the motor bracket at the bottom of the chassis. The chassis consists of a chassis body, water pipe holes, chassis fixing holes, protective cover fixing screws, protective cover slide rails, and a motor bracket. The two water pipe holes penetrate the chassis body longitudinally. The chassis fixing holes are on the side of the chassis body for fixing the chassis. The protective cover fixing screws are installed on the side of the chassis body for securing the chassis. The protective cover has a slide rail on the circumference of the chassis body, which is a T-shaped groove that penetrates the chassis body longitudinally. The motor bracket is located on the bottom surface of the chassis body near the slide rail. The protective cover is a quarter-sphere and structurally consists of the protective cover body, protective cover limiting holes, protective cover slide rails, protective cover toothed grooves, and water inlet pipe holes. The protective cover limiting holes are through holes on both sides of the protective cover body, with an arc angle of 90°, and the two protective cover limiting holes are symmetrically distributed. The protective cover toothed grooves are non-permeable grooves in the middle of the inner surface of the protective cover body. The protective cover slide rails are T-shaped slide rails installed on both sides of the protective cover toothed grooves on the inner surface of the protective cover body. The projector assembly consists of a projector, a projector protective cover, a projector mounting plate, a microcomputer host, a power supply, and a heat sink. The system consists of two projector lenses placed outwards on a projector mounting plate. A projector protective cover secures the projector to the mounting plate. A microcomputer host and power supply are mounted in the center of the mounting plate, with heat dissipation vents on either side of the host and power supply. Mounting holes on both sides of the mounting plate are fitted onto the outer cylinder of the telescopic water pipe. The water ball spray device comprises a telescopic water pipe, a telescopic water pipe outer cylinder, and a water ball spray nozzle. The telescopic water pipe is a flexible, retractable hose, while the outer cylinder is a rigid, extendable tube. The telescopic water pipe is fitted inside the outer cylinder, and the lower end of the telescopic water pipe connects to a water pump and an air compressor. The water ball spray nozzle is fixed to the top of the outer cylinder via a bend. Structurally, the water ball spray nozzle has an upper outlet. The system includes an upper outlet, a lower outlet, and an inlet. The inlet is connected to the upper end of a telescopic water pipe. The upper and lower outlets are spaced a certain distance apart, spraying out two nested water balls. The gap between the two water balls creates a water mist, which is more conducive to the projection. The water pump is connected to the inlet filter and the inlet pipe. The inlet filter consists of an outer filter and an inner filter, which are nested. The bottom of the outer filter has an opening, which allows objects adsorbed on the inner filter to be discharged smoothly when the water pump stops working. Both the water pump and the air compressor output are equipped with pressure gauges. The water pump output pressure is 0.4-0.6 MPa, and the air compressor output gas pressure is 0.4-0.6 MPa.At 6MPa, the output gas pressure of the air compressor should be adjusted to match the output water pressure of the water pump, and the volume ratio of the output water to the gas should be maintained at 3:

1. This ensures that the water jets sprayed through the upper and lower outlets of the water jet nozzles are fully foamed, forming two layers of semi-transparent hemispherical water curtains.

2. The retractable water ball projection device as described in claim 1, characterized in that: The lifting device consists of a lower base, connecting block, gear set, motor, rods, upper base, and lead screw. The motor is mounted on the motor bracket of the lower base. The first gear of the gear set is mounted on the motor, and the second gear is mounted on the double-acting lead screw. Both ends of the double-acting lead screw are mounted on the lower base, and the gear is mounted in the middle. The threads on both sides rotate in opposite directions, and the nuts on both sides move in opposite directions when rotating. The threads of the connecting block mesh with the threads of the double-acting lead screw. The mounting holes of the connecting block are mounted on the rods. Multiple rods are combined to form a diamond-shaped telescopic mechanism, and the upper rod is connected to the upper base of the lifting device.

3. The retractable water ball projection device as described in claim 1, characterized in that: The protective cover lifting device consists of a self-locking motor gear and a self-locking motor. The self-locking motor is mounted on a motor bracket, and the gear is connected to the output shaft of the self-locking motor. The self-locking motor gear meshes with the protective cover gear groove on the protective cover.

4. The retractable water ball projection device as described in claim 1, characterized in that: The advertising images or videos projected onto the hemispherical water screen by the projector are pre-distorted so that the visual effect after projection onto the hemispherical water screen is similar to the original advertising images or videos.

Images