CN111365575B - Full-automatic projection system and working method thereof - Google Patents
Full-automatic projection system and working method thereof Download PDFInfo
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- CN111365575B CN111365575B CN202010155293.6A CN202010155293A CN111365575B CN 111365575 B CN111365575 B CN 111365575B CN 202010155293 A CN202010155293 A CN 202010155293A CN 111365575 B CN111365575 B CN 111365575B
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- 238000000034 method Methods 0.000 title claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 12
- 239000010959 steel Substances 0.000 claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 238000005192 partition Methods 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 3
- 230000003028 elevating effect Effects 0.000 claims 1
- 238000009423 ventilation Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 7
- 238000005299 abrasion Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
- F16M11/38—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by folding, e.g. pivoting or scissors tong mechanisms
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
- F16M13/02—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
- H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Projection Apparatus (AREA)
Abstract
The invention provides a full-automatic projection system which comprises a fixed frame and a projector placing frame, wherein the fixed frame is positioned at the top, the projector placing frame is connected with the fixed frame, a motor transmission assembly is arranged in the fixed frame, the motor transmission assembly comprises a tubular motor, a steel wire rope, a manual switch and an electric control board, the left end and the right end of the projector placing frame are connected with the fixed frame through the steel wire rope, the projector placing frame is of a hollow structure, a projector body device is arranged in the projector placing frame, a containing cavity is formed in the projector placing frame, a power panel and a signal receiver are arranged in the containing cavity, the signal receiver is connected with a server through a wireless network, a remote control terminal is further arranged in the system, the remote control terminal logs in the server through.
Description
Technical Field
The invention relates to the field of projector control, in particular to a full-automatic projection system and a working method thereof.
Background
The projector is also called a projector, and is a device capable of projecting images or videos onto a curtain, and can be connected with a computer, a VCD, a DVD, a BD, a game machine, a DV, and the like through different interfaces to play corresponding video signals. As related technologies of projectors have become mature, various types of projectors have been widely used in the home and business fields, but there are new places in the advertising field, so that window advertisements seen by people at present are basically samples, signs, lamp boxes and the like, underground garage advertisements are few, occasionally, several display screen advertisements exist, and advertisements in elevators are mainly hung on the signs. These traditional advertisements have more weaknesses. The replacement difficulty is high, the static advertisement is stiff, and the effect is not ideal. The projector is applied to advertisement putting in these occasions, can realize remote control and has broad prospect.
Disclosure of Invention
In order to solve the advertisement putting defects of the occasions, the invention provides a full-automatic projection system and a working method of the full-automatic projection system.
In order to achieve the above purpose, the full-automatic system of the invention adopts the following technical scheme: a full-automatic projection system comprises a fixed frame positioned at the top, a main control panel and a projector placing frame connected with the fixed frame, the outer part of the fixing frame is provided with a door plate, the inner part of the fixing frame is provided with a motor transmission component, the motor transmission component comprises a tubular motor and a steel wire rope, the left end and the right end of the projector placing frame are connected with the fixing frame through the steel wire rope, the inner part of the projector placing frame is of a hollow structure, the interior of the projector body equipment is provided with a containing cavity, the bottom of the containing cavity is provided with a power panel and a signal receiver, the signal receiver is connected with the server through a wireless network, the system is also provided with a remote control terminal, the remote control terminal logs in the server through a wireless network or a 4G or 5G or a limited network to realize a control function.
Preferably, the accommodating cavity is further provided with a horizontal detector, the horizontal detector is used for detecting the inclination degree of the projection of the projector, and when the horizontal detector detects that the projector is uneven or uneven left and right or inclined, the projector is not allowed to operate, so that the machine is prevented from being damaged.
Preferably, the remote control terminal is a computer, a tablet or a mobile phone, and the full-automatic projection system is started by connecting the computer, the tablet or the mobile phone with the server.
Preferably, the door plate of the projector is provided with a detector, the detector is connected to the electric control plate through a door switch, and as a standby starting mode of the full-automatic projection system, the detector is automatically controlled when the detector detects that the door is opened and closed, and is manually controlled when the detector detects that the door is opened and closed, so that the automatic and manual switching function of the projection system is realized.
Preferably, the projection system is provided with an anti-theft switch, the anti-theft switch is provided with a microwave detector, and when the microwave detector detects that the projector exceeds a set distance, the projector device automatically ascends.
Preferably, the projector placing frame is externally provided with a three-layer plate structure, wherein the three-layer plate structure comprises an ear plate at the topmost end, a big ear plate connected with the ear plate and an outer cover plate of which the outermost layer is connected with the big ear plate;
the ear plate comprises inclined folding parts at the upper end and the lower end and a left connecting part and a right connecting part at the middle part, the inclined folding parts and the left connecting part are both provided with arc-shaped chutes, and the inclined folding parts and the left connecting part are in a vertical folding state;
the big ear plate comprises high and low folding parts at the left end and the right end and a folding type inclined connecting part at the middle part, an arc-shaped chute is arranged on the high and low folding parts, a screw hole matched with the arc-shaped chute of the inclined folding part is arranged on the folding type inclined connecting part, and the high and low folding parts and the folding type inclined connecting part are in a vertical folding state;
the outer cover plate comprises three frame body folding parts and a folding high-low connecting part in the middle, the three frame body folding parts and the folding high-low connecting part are vertically folded to form a shell of the projector placing frame, and screw holes matched with the arc sliding grooves of the high-low folding parts are formed in the folding high-low connecting part;
the left and right connecting parts in the middle of the ear plate are connected with an inner partition plate, and the inner partition plate is provided with screw holes matched with the arc-shaped sliding grooves of the left and right connecting parts;
the screw holes on the folding type inclined connecting parts are connected with the arc chutes of the inclined folding parts through screws, the screw holes on the folding type high-low connecting parts are connected with the arc chutes of the high-low folding parts through screws, the screw holes on the inner baffle plate are connected with the arc chutes of the left and right connecting parts through screws, the screw holes on the folding type inclined connecting parts in the big ear plate are fixed with the arc chutes of the inclined folding parts in the ear plate through screwing screws, and can also be loosened to adjust the height of the projector, the screw holes on the inner baffle plate are fixed with the arc chutes of the left and right connecting parts in the ear plate through screwing screws, and the screws can also be loosened to adjust the height of the projector, great convenience is brought to people to use the projector.
Preferably, the projector lifting device further comprises a hinge-shear folding arm assembly, the hinge-shear folding arm assembly comprises a first hinge-shear folding arm, a second hinge-shear folding arm and a third hinge-shear folding arm, each hinge-shear folding arm comprises a rod sliding rail seat and a middle folding rod piece which are oppositely arranged, an auxiliary rod connected with the middle folding rod piece is arranged on the sliding rail seat, a hollow groove is formed in the length direction of the sliding rail seat, first positioning gaskets are arranged at two end points of the middle folding rod piece, the first positioning gaskets are arranged in the hollow groove, a second positioning gasket is arranged at the intersection of the middle folding piece and the auxiliary rod, the first positioning gaskets and the second positioning gaskets are arranged to enable the middle folding rod piece to be restrained by pushing and withdrawing force, shaking is reduced, and stability is increased.
Preferably, the inside motor and the condenser of being equipped with of tubular motor, motor and condenser electric connection, wire rope with the projecting apparatus rack is connected, tubular motor's lateral surface is equipped with the abrasionproof rubber circle, the abrasionproof rubber circle passes through bolt fixed connection with tubular motor, and behind the starting switch, tubular motor control wire rope drives the lift of projecting apparatus, and the abrasionproof rubber circle is used for preventing tubular motor's friction impaired, improves life.
A working method of a full-automatic projection system is characterized in that: the method comprises the steps that a power supply is turned on, a mobile phone or a computer or a tablet computer is used for logging in a server after being connected to a network, a full-automatic projection system is started through remote control, and when a detector on a door plate detects that a door switch is turned off, equipment is in an automatic state, and a projector automatically and continuously descends until reaching a lower limit position to project materials; when the detector on the door panel detects that the door switch is opened, the equipment is in a manual state and can be pressed to continuously rise or fall when the projector does not reach an upper limit or a lower limit; when the projection terminal is closed through the remote control terminal, the equipment continuously rises until the equipment is limited to the upper part.
The invention has the following beneficial effects:
(1) the projector is matched with the wireless control terminal to realize the advertisement putting in places such as show windows, underground garages and the like, so that the original static advertisement is replaced, and the outdoor advertisement is brought into a new era.
(2) The projector can be projected on a designated curtain or randomly projected on a wall or the ground, so that the space of a field is greatly utilized, and the projector is better than the projector for putting a display screen.
(3) The three-layer plate structure designed outside the projector placing frame not only passively adjusts the projection inclination, but also actively selects the projection area, and improves the applicability of the projection system.
(4) The diversified selection of remote control terminals such as mobile phones, tablets and computers, and the diversified selection of network modes such as wired, wireless WIFI, 4G and 5G greatly enrich diversified control modes and have higher adaptability.
(5) Because the outdoor projection is adopted, the anti-theft safety measures are added, and the safety of the equipment is improved.
(6) Because outdoor environment, especially underground garage, vibrations are great, have added horizontal detector and have been used for protective apparatus, have added the hinge and cut folding arm subassembly for reduce and rock, increased the stationarity.
Drawings
Fig. 1 is a schematic structural diagram of a fully automatic projection system according to an embodiment of the present invention.
Figure 2 is a schematic view of a projector lift in an embodiment of the invention,
figure 3 is an expanded view of an ear plate in an embodiment of the invention,
figure 4 is an expanded view of a large ear plate in an embodiment of the invention,
figure 5 is an expanded view of the outer cover plate in an embodiment of the present invention,
figure 6 is a schematic view of an inner baffle in an embodiment of the present invention,
FIG. 7 is a schematic structural diagram of a first hinge scissor folding arm, a second hinge scissor folding arm and a third hinge scissor folding arm according to an embodiment of the invention,
figure 8 is a top view of a projector mount in an embodiment of the invention,
FIG. 9 is a circuit diagram of a main circuit of a fully automatic projection system according to an embodiment of the present invention,
FIG. 10 is a circuit diagram of an input circuit of a fully automatic projection system according to an embodiment of the present invention,
fig. 11 is a circuit diagram of an output circuit of a fully automatic projection system according to an embodiment of the present invention.
In the figure, a tubular motor 1, a steel wire rope 2, a door switch 3, an electric control board 4, a server 5, a projector body device 6, a first hinge-shear folding arm 7, a second hinge-shear folding arm 8, a third hinge-shear folding arm 9, an ear plate 10, a big ear plate 11, an outer cover plate 12, an inner partition plate 13, an arc chute 14, a screw hole 15, a vent 16, a containing cavity 17, a motor 18, a capacitor 19, an anti-friction rubber ring 20, a slide rail seat 21, a middle folding rod piece 22, an auxiliary rod 23, a hollow groove 24, a first positioning gasket 25, a second positioning gasket 26, an inclined folding part 27, a left connecting part 28, a right connecting part 28, a high-low folding part 29, a folding inclined connecting part 30, a frame body folding part 31, a folding high-low connecting part 32, a power board 40, a signal receiver 41, a level gauge 42, a computer 43, a flat plate 44 and a.
Detailed Description
The technical scheme of the invention is explained in detail by the following specific embodiments:
as shown in fig. 1 and 2, a full-automatic projection system comprises a fixing frame, a main control board 4 and a projector placing frame, wherein the fixing frame is located at the top, the projector placing frame is connected with the fixing frame through the fixing frame, a motor transmission assembly is arranged outside the fixing frame and is provided with a door panel, the motor transmission assembly comprises a tubular motor 1 and a steel wire rope 2, the left end and the right end of the projector placing frame are connected with the fixing frame through the steel wire rope 2, the projector placing frame is of a hollow structure, a projector body device 6 is arranged inside the projector placing frame, a containing cavity 17 is formed in the projector placing frame, a power panel 40 and a signal receiver 41 are arranged in the containing cavity 17, the signal receiver 41 is connected with a server 5 through a wireless network, a remote control terminal is further arranged in the system, and the remote.
Further, accomodate the intracavity and still be equipped with horizontal detector 42, horizontal detector is used for detecting the projected degree of inclination of projecting apparatus, and when horizontal detector detected that the projecting apparatus has the height unevenness or about uneven or had the slope, not allowed the projecting apparatus operation, prevented that the machine from damaging.
Further, the remote control terminal is a computer 43 or a tablet 44 or a mobile phone 45, and the full-automatic projection system is started by connecting the computer or the tablet or the mobile phone with the server.
Further, as a preferred option, a detector is arranged on a door plate of the projector, the detector is connected to the electric control plate through a door switch, and the detector is used as a standby starting mode of the full-automatic projection system.
Furthermore, an anti-theft switch is arranged in the projection system, a microwave detector is arranged in the anti-theft switch, and when the microwave detector detects that the distance of the projector exceeds a set distance, the projector device can automatically ascend.
Further, as shown in fig. 3 to 6, the projector placing frame is externally provided with a three-layer plate structure, where the three-layer plate structure includes an uppermost ear plate 10, an big ear plate 11 connected with the ear plate 10, and an outermost outer cover plate 12 connected with the big ear plate 11;
the ear plate 10 comprises inclined folding parts 27 at the upper end and the lower end and a left connecting part and a right connecting part 28 at the middle part, the inclined folding parts 27 and the left connecting part and the right connecting part 28 are both provided with arc-shaped sliding grooves 14, and the inclined folding parts 27 and the left connecting part and the right connecting part 28 are in a vertical folding state;
the big ear plate 11 comprises high and low folding parts 29 at the left end and the right end and a folding type inclined connecting part 30 at the middle part, an arc-shaped sliding groove 14 is arranged on the high and low folding part 29, a screw hole 15 matched with the arc-shaped sliding groove 14 of the inclined folding part 27 is arranged on the folding type inclined connecting part 30, and the high and low folding parts 29 and the folding type inclined connecting part 30 are in a vertical folding state;
the outer cover plate 12 comprises three frame folding parts 31 and a middle folding high-low connecting part 32, the three frame folding parts 31 and the folding high-low connecting part 32 are vertically folded to form a shell of the projector rack, and the folding high-low connecting part 32 is provided with a screw hole 15 matched with the arc-shaped sliding groove 14 of the high-low folding part 29;
the left and right connecting parts 28 in the middle of the ear plate 10 are connected with an inner partition plate 13, and the inner partition plate 13 is provided with screw holes 15 matched with the arc-shaped chutes 14 of the left and right connecting parts 28;
the screw holes 15 on the folding inclined connecting portions 30 are connected with the arc-shaped chutes 14 of the inclined folding portions 27 through screws, the screw holes 15 on the folding high-low connecting portions 32 are connected with the arc-shaped chutes 14 of the high-low folding portions 29 through screws, the screw holes 15 on the inner partition plate 13 are connected with the arc-shaped chutes 14 of the left and right connecting portions 28 through screws, the screw holes 15 on the folding inclined connecting portions 30 in the big ear plate 11 are fixed with the arc-shaped chutes 14 of the inclined folding portions 27 in the ear plate 10 through screws, and can also be loosened to adjust the inclination of the projector, the screw holes 15 on the folding high-low connecting portions 32 in the outer cover plate 12 are fixedly connected with the arc-shaped chutes 14 of the high-low folding portions 29 in the big ear plate 11 through screws, and can also be loosened to adjust the height of the projector, the screw holes 15 on the inner partition plate 13 are fixed with the arc-shaped chutes 14 of the left and right connecting portions 28 in, the projector can be adjusted left and right by loosening the screws, so that the projector is greatly convenient for people to use.
Further, the projector lifting device also comprises a hinge-shear folding arm assembly, the hinge-shear folding arm assembly comprises a first hinge-shear folding arm 7, a second hinge-shear folding arm 8 and a third hinge-shear folding arm 9, as shown in fig. 7, each of the hinge-shear folding arms includes a rod slide rail seat 21 and an intermediate folding rod 22 disposed oppositely, the slide rail seat 21 is provided with an auxiliary rod 23 connected with the middle folding rod piece 22, a hollow groove 24 is arranged in the length direction of the slide rail seat 21, two end points of the middle folding rod piece 22 are provided with first positioning gaskets 25, the first positioning gasket is arranged in the hollow groove 24, a second positioning gasket 26 is arranged at the intersection of the middle folding piece 22 and the auxiliary rod 23, through setting up auxiliary rod, first locating washer and second locating washer make middle folding member receive the strength constraint that promotes and withdraw, reduced and rocked, increased the stationarity.
Further, a motor 18 and a capacitor 19 are arranged inside the tubular motor 1, the motor 18 is electrically connected with the capacitor 19, the steel wire rope is connected with the projector placing frame 2, an anti-abrasion rubber ring 20 is arranged on the outer side surface of the tubular motor 1, the anti-abrasion rubber ring 20 is fixedly connected with the tubular motor 1 through a bolt, after a switch is started, the tubular motor 1 controls the steel wire rope 2 to drive the projector body 6 to ascend and descend, and the anti-abrasion rubber ring 20 is used for preventing the tubular motor 1 from being damaged due to friction; this practicality has improved the stability and the life of device when reaching good projection effect.
As shown in the main circuit diagram of fig. 9, the power supply is changed from ac 220 v to dc 12 v through a-sw 1 ac-to-dc low-voltage converter; TU is upper limit driving, TD lower limit driving, whether the projector reaches sxw-2 upper limit or xxw-2 lower limit is detected by a travel switch, and then the projector is driven to ascend or descend.
As shown in the input loop diagram of fig. 10, sxw-1 signal switch is used to detect the signal; DOOR is a DOOR switch, when a detector on the DOOR DOOR switch detects that the DOOR is opened or closed, the DOOR DOOR switch is automatically controlled, and when the detector detects that the DOOR is opened, the DOOR DOOR switch is manually controlled, so that the automatic and manual switching function of the projection system is realized; FD is an anti-theft switch, and when the set value is 2 meters, the projector device can rise immediately when the microwave detector detects that the projector exceeds 2 meters; SP is a horizontal switch, when the left and right tension of the steel wire rope is unbalanced, the horizontal switch does not allow the device to operate when detecting that the projector is in an inclined state, and the machine is prevented from being damaged; the P/POWER is a POWER board 40 detection switch, the projector descends when the POWER-on device is in an automatic state, the device dissipates heat for 5 minutes when the POWER is off, and then the POWER of the projector is cut off and rises to enter a protection area.
As shown in the output loop of fig. 11, in the figure, PP is the projector power supply, UR and DR are motor control; the projector has a power supply signal identification function, and when the power supply is detected to have fluctuation, the power supply signal identification function comprises the following steps: the projector adopts a low-power self-protection function and consumes about 10 hours and 1 watt in power under the conditions of vibration, inclination and the like.
A working method of a full-automatic projection system comprises the following steps: the power supply is turned on, the mobile phone 45 or the computer 43 or the tablet 44 is used for accessing the network and logging in the server 5, the full-automatic projection system is started through remote control, when the detector on the door plate detects that the door switch 3 is closed, the equipment is in an automatic state, and the projector automatically and continuously descends until reaching the lower limit position to project materials; when the detector on the door panel detects that the door switch 3 is opened, the equipment is in a manual state and can be pressed to continuously rise or fall when the projector does not reach an upper limit or a lower limit; when the projection terminal is closed through the remote control terminal, the equipment continuously rises until the equipment is limited to the upper part.
Claims (8)
1. A full-automatic projection system comprises a fixed frame positioned at the top, a main control board (4) and a projector placing frame connected with the fixed frame, wherein a door panel is arranged outside the fixed frame, a motor transmission assembly is arranged inside the fixed frame, the motor transmission assembly comprises a tubular motor (1) and a steel wire rope (2), the left end and the right end of the projector placing frame are connected with the fixed frame through the steel wire rope (2), the projector placing frame is internally of a hollow structure, projector body equipment (6) is arranged inside the projector placing frame, a containing cavity (17) is arranged at the bottom of the projector placing frame, a power panel (40) and a signal receiver (41) are arranged in the containing cavity (17), the signal receiver (41) is connected with a server (5) through a wireless network, a remote control terminal is further arranged in the system, and the remote control terminal logs in the server, realizing a control function;
the projector placing frame is externally provided with a three-layer plate structure, wherein the three-layer plate structure comprises an ear plate (10) at the topmost end, a big ear plate (11) connected with the ear plate (10) and an outer cover plate (12) of which the outmost layer is connected with the big ear plate (11);
the ear plate (10) comprises inclined folding parts (27) at the upper end and the lower end and a left connecting part and a right connecting part (28) at the middle part, the inclined folding parts (27) and the left connecting part and the right connecting part (28) are respectively provided with an arc-shaped sliding chute (14), and the inclined folding parts (27) and the left connecting part and the right connecting part (28) are in a vertical folding state;
the big ear plate (11) comprises high and low folding parts (29) at the left end and the right end and a folding type inclined connecting part (30) in the middle, an arc-shaped sliding groove (14) is arranged on the high and low folding parts (29), a screw hole (15) matched with the arc-shaped sliding groove (14) of the inclined folding part (27) is arranged on the folding type inclined connecting part (30), and the high and low folding parts (29) and the folding type inclined connecting part (30) are in a vertical folding state;
the outer cover plate (12) comprises three frame body folding parts (31) and a folding type high-low connecting part (32) in the middle, the three frame body folding parts (31) and the folding type high-low connecting part (32) are vertically folded to form a shell of the projector placing frame, and the folding type high-low connecting part (32) is provided with a screw hole (15) matched with the arc-shaped sliding groove (14) of the high-low folding part (29);
the left and right connecting parts (28) in the middle of the ear plate (10) are connected with an inner partition plate (13), and the inner partition plate (13) is provided with screw holes (15) matched with the arc-shaped sliding grooves (14) of the left and right connecting parts (28);
the screw holes (15) on the folding type inclined connecting parts (30) are connected with the arc-shaped sliding grooves (14) of the inclined folding parts (27) through screws, the screw holes (15) on the folding type high-low connecting parts (32) are connected with the arc-shaped sliding grooves (14) of the high-low folding parts (29) through screws, and the screw holes (15) on the inner partition plate (13) are connected with the arc-shaped sliding grooves (14) of the left and right connecting parts (28) through screws; and the frame body folding part (31) and the inner baffle (13) which form the projector placing frame are provided with ventilation openings (16) which are arranged in parallel.
2. The fully automatic projection system of claim 1, wherein: and a horizontal detector (42) is further arranged in the accommodating cavity, and the horizontal detector (42) is used for detecting the inclination degree of the projection of the projector.
3. The fully automatic projection system of claim 1, wherein: the remote control terminal is a computer (43), a tablet (44) or a mobile phone (45).
4. The fully automatic projection system of claim 1, wherein: the detector is arranged on the door plate of the projector, the detector is connected into the main control board (4) through the door switch (3), and the main control board (4) is connected with the manual switch.
5. The fully automatic projection system of claim 1, wherein: the projection system is provided with an anti-theft switch, and a microwave detector is arranged in the anti-theft switch.
6. The fully automatic projection system of claim 1, wherein: projecting apparatus elevating gear still cuts folding arm subassembly including first hinge and cuts folding arm (7), second hinge and cuts folding arm (8), third hinge and cuts folding arm (9), every hinge cuts folding arm and includes member slide rail seat (21) and middle folding member (22) of subtend setting, be equipped with the connection on slide rail seat (21) auxiliary rod (23) of middle folding member (22), the length direction of slide rail seat (21) is equipped with fretwork groove (24), and the both ends point of middle folding member (22) is equipped with first locating pad (25), install in fretwork groove (24) first locating pad (25), middle folding member (22) with the intersection of auxiliary rod (23) is equipped with second locating pad (26).
7. The fully automatic projection system of claim 1, wherein: the utility model discloses a tubular motor, including tubular motor (1), motor (18) and condenser (19) electric connection, wire rope (2) with the projecting apparatus rack is connected, the lateral surface of tubular motor (1) is equipped with abrasionproof rubber circle (20), abrasionproof rubber circle (20) pass through bolt fixed connection with tubular motor (1).
8. A method of operating a fully automatic projection system according to any of claims 1 to 7, characterized in that: the power supply is turned on, a mobile phone (45), a computer (43) or a flat panel (44) is used for accessing the network and logging in the server (5), the full-automatic projection system is started through remote control, and when the detector on the door panel detects that the door switch (3) is closed, the equipment is in an automatic state and the projector automatically and continuously descends until reaching the lower limit position to project materials; when the detector on the door panel detects that the door switch (3) is opened, the equipment is in a manual state, and when the projector does not reach the upper limit or the lower limit, the projector can be controlled by the manual switch to continuously ascend or descend; when the projection terminal is closed through the remote control terminal, the equipment continuously rises until the equipment is limited to the upper part.
Priority Applications (1)
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| CN111365575B true CN111365575B (en) | 2021-07-16 |
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| CN206946182U (en) * | 2017-08-03 | 2018-01-30 | 吴振光 | A kind of teaching lifts projecting apparatus fixing device with angle modulation |
| CN207123702U (en) * | 2017-08-16 | 2018-03-20 | 广州市创视智能设备有限公司 | One kind hinge shears-type electric lifting projector suspension bracket |
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| CN203054436U (en) * | 2013-01-24 | 2013-07-10 | 陆志彪 | Projector's electric lifting frame |
| EP3029366A1 (en) * | 2014-12-05 | 2016-06-08 | Roberto Salin | Lifting assembly for tables, chairs, grids, booster seats or other items which require lifting |
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| CN111365575A (en) | 2020-07-03 |
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