CN112230501A - 360-degree holographic projection device - Google Patents
360-degree holographic projection device Download PDFInfo
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- CN112230501A CN112230501A CN202011127785.0A CN202011127785A CN112230501A CN 112230501 A CN112230501 A CN 112230501A CN 202011127785 A CN202011127785 A CN 202011127785A CN 112230501 A CN112230501 A CN 112230501A
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- 230000007246 mechanism Effects 0.000 claims description 84
- 230000001133 acceleration Effects 0.000 claims description 50
- 238000001816 cooling Methods 0.000 claims description 46
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 24
- 229910000831 Steel Inorganic materials 0.000 claims description 18
- 239000010959 steel Substances 0.000 claims description 18
- 238000001514 detection method Methods 0.000 claims description 13
- 230000000903 blocking effect Effects 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 8
- 239000000428 dust Substances 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- 238000012546 transfer Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 13
- 230000009471 action Effects 0.000 description 5
- 238000005286 illumination Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001093 holography Methods 0.000 description 1
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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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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
- G03H1/22—Processes or apparatus for obtaining an optical image from holograms
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Abstract
The invention relates to the technical field of holographic projection, and discloses a 360-degree holographic projection device which comprises a bottom box, wherein a rotating shaft is movably sleeved at the bottom of an inner cavity of the bottom box, a rotating plate is fixedly installed at the top of the rotating shaft, a side plate is fixedly installed at one side of the top of the rotating plate, an air cylinder is fixedly installed at one side of the side plate, a holographic projection body is placed at the other side of the top of the rotating plate, and a clamping groove is formed in the front side of the holographic projection body. This 360 degrees holographic projection device, through the cylinder contract evenly can drive the movable block and remove, utilize connecting plate swing joint between rethread movable block and the movable plate, be convenient for drive the movable plate and remove in the inner chamber of shifting chute, be convenient for shift out or move the cardboard on the movable plate in the inner chamber of draw-in groove from the inner chamber of draw-in groove, be convenient for with holographic projection body centre gripping on the top of shifting board, it is firm to install, also is convenient for dismantle holographic projection body simultaneously.
Description
Technical Field
The invention relates to the technical field of holographic projection, in particular to a 360-degree holographic projection device.
Background
The holographic projection technology belongs to a 3D technology, originally refers to a technology for recording and reproducing a real three-dimensional image of an object by utilizing an interference principle, and then along with the guidance of science fiction movies and commercial propaganda, the concept of holographic projection gradually extends to commercial activities such as stage performance, exhibition and exhibition, but the holography which is learned at ordinary times is not the holographic projection in a strict sense, but is a holographic projection technology similar to the 3D effect realized by using methods such as Peltier phantom, edge blanking and the like.
360 application and use of degree holographic projection device receive more and more people and attach seriously, but current 360 degrees holographic projection device often can take place the user of service and can not install when using, fixed not firm problem in the time of installation simultaneously, and not only the installation is wasted time and energy like this, and inefficiency probably influences 360 degrees holographic projection device holographic projection effect difference or even failure simultaneously.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a 360-degree holographic projection device which has the advantages of firm installation and convenient installation by users, and solves the problems in the background art.
The invention provides the following technical scheme: the utility model provides a 360 degree holographic projection arrangement, includes the under casing, the pivot has been cup jointed in the bottom activity of under casing inner chamber, the top fixed mounting of pivot has the commentaries on classics board, change one side fixed mounting at board top has the curb plate, one side fixed mounting of curb plate has the cylinder, the holographic projection body has been placed to the opposite side at commentaries on classics board top, the draw-in groove has been seted up to the front side of holographic projection body, the one end fixed mounting of cylinder has the movable block, the connecting plate has been cup jointed through the axle activity in the top of movable block, the movable plate has been cup jointed through the axle activity in one side of connecting plate bottom, the rear side fixed mounting of movable plate has the cardboard that is located the draw-in groove inner chamber, the shifting chute has been.
Carefully, the top of under casing is seted up and is located the projection mouth directly over the holographic projection body, the fender cover that is located the projection mouth outside is placed at the top of under casing, the bottom fixed mounting that keeps off the cover has the carriage, the four corners of carriage all cup joints on the top of under casing through the bolt activity.
The shielding cover is made of transparent glass, and the whole shielding cover is in an inverted ladder shape.
The bottom of the inner cavity of the bottom box is fixedly provided with a motor, an output shaft of the motor is fixedly sleeved with a main gear, the upper part of the rotating shaft is fixedly sleeved with an auxiliary gear, and the outer teeth of the main gear and the outer teeth of the auxiliary gear are meshed with each other.
Carefully selecting, the diameter size of pinion equals twice of the size of master gear diameter, the center of pivot and the center of holographic projection body are on same straight line.
Carefully, the front and back side of holographic projection body all cup joints through the axle activity, the equal fixed mounting in front and back side of holographic projection body, the top and the bottom contact.
And the output shaft of the cylinder is movably sleeved at the center of the side plate, and the front side and the rear side of the moving block are provided with a connecting plate, a moving plate and a clamping plate which are symmetrically distributed.
Carefully selecting, wherein an adjusting device is arranged on the bottom box, the adjusting device is connected with the bottom box through a hinge, the adjusting device comprises a height adjusting mechanism, an angle adjusting mechanism and a lighting mechanism, the angle adjusting mechanism is connected with the height adjusting mechanism through a hinge, and the height adjusting mechanism is fixedly connected with the lighting mechanism;
the height adjusting mechanism comprises a first body, a second body, an adjusting rod and an adjusting body, wherein the first body, the second body and the adjusting body are of a hollow structure, the adjusting body is arranged in the first body and is in threaded connection with the first body, the adjusting rod is arranged in the second body and is in threaded connection with the second body, a first driving motor is arranged on the adjusting body and is used for driving the adjusting body to rotate, a third driving motor is arranged on the adjusting rod and is used for driving the adjusting rod to rotate, the adjusting rod is of a hollow structure and sequentially comprises a spring seat, a spring, an ejector rod and a steel ball from bottom to top, a second steel ball groove is further arranged on the adjusting rod, a first steel ball groove is arranged on the adjusting body, and a second driving motor is arranged on the spring seat, the second driving motor is used for driving the spring seat to rotate;
the angle adjusting mechanism consists of three air cylinders which are uniformly arranged, one end of each air cylinder is hinged with the adjusting device, and the other end of each air cylinder is hinged with the bottom box;
the illuminating mechanism is composed of four illuminating lamps which are uniformly arranged, and a dust cover is arranged on each illuminating lamp.
Carefully selecting, further comprising:
the air cylinder comprises a piston and a cylinder wall, a cooling mechanism is sleeved on the outer side of the cylinder wall, the cooling mechanism is provided with a cold water inlet and a cold water outlet, and cold water is introduced into the cooling mechanism when the air cylinder is used, so that heat generated by friction between the piston and the cylinder wall is reduced;
the first speed sensor is arranged on the side, with the rod, of the piston and used for detecting the initial speed of the piston during feeding;
the second speed sensor is arranged on the rodless side of the piston and used for detecting the initial speed of the piston during retraction;
the first acceleration sensor is arranged on one side of the piston with the rod and used for detecting the feed acceleration of the piston rod;
the second acceleration sensor is arranged on the rodless side of the piston rod and used for detecting the acceleration of the piston rod during retraction;
the first temperature sensor is arranged at a cold water inlet of the cooling mechanism and used for detecting the temperature at the cold water inlet of the cooling mechanism;
the second temperature sensor is arranged at a cold water outlet of the cooling mechanism and used for detecting the temperature at a water outlet of the cooling mechanism;
the air pressure sensor is arranged on one side of the air cylinder with the rod and used for detecting the air pressure on one side of the air cylinder with the rod cavity;
the controller, the alarm, the controller with first speed sensor the second speed sensor first acceleration sensor the second acceleration sensor first temperature sensor the second temperature sensor atmospheric pressure sensor with the alarm electricity is connected, the controller is based on first speed sensor the second speed sensor first acceleration sensor the second acceleration sensor the first temperature sensor the second temperature sensor with atmospheric pressure sensor control the alarm is reported to the police.
Carefully, the controller controls the alarm to alarm based on the first speed sensor, the second speed sensor, the first acceleration sensor, the second acceleration sensor, the first temperature sensor, the second temperature sensor and the air pressure sensor, comprising the steps of:
the method comprises the following steps: calculating an actual heat generated by friction between a piston of the cylinder and a cylinder wall based on the first speed sensor, the second speed sensor, the first acceleration sensor, the second acceleration sensor and equation (1):
wherein Q is1The actual heat generated by the friction between the piston of the cylinder and the cylinder wall,is the modulus of elasticity of the piston, pi is the circumference ratio, the value is 3.14, epsilon is the length of the piston, d1Is the inner diameter of the cylinder wall, d2Is the diameter of the piston, mu1Is the initial speed of the piston during the feed, i.e. the value detected by the first speed sensor, mu2Is the initial speed of the piston when retracting, i.e. the detection value of the second speed sensor, S is the contact area of the piston and the cylinder wall, a1Is the feed acceleration of the piston rod, i.e. the detected value of the first acceleration sensor, a2The acceleration when the piston rod retracts, namely the detection value of the second acceleration sensor, is V, and the volume of the cylinder wall is V;
step two: calculating the total heat exchange quantity of the cooling mechanism based on the first temperature sensor, the second temperature sensor, the air pressure sensor, the step one and a formula (2):
wherein Q is the total heat exchange capacity of the cooling mechanism, RcrIs the heat transfer coefficient of cold water with the cylinder wall, S1Is the outer wall area, T, of the cylinder walliIs a value detected by the first temperature sensor, TOIs the detection value of the second temperature sensor, pi is the circumferential rate, and takes the value of 3.14, d3Is the outer diameter of the cylinder wall, t is the thickness of the cylinder wall, P is the air pressure at the side with the rod cavity in the cylinder, namely the detection value of the air pressure sensor, mu is the friction coefficient of the piston and the cylinder wall, mu1Is the initial speed of the piston during the feed, i.e. the value detected by the first speed sensor, mu2At a starting speed, Q, at which the piston is retracted1Actual heat generated by friction between the piston of the cylinder and the cylinder wall, Q0The preset heat generated by friction between the piston of the cylinder and the cylinder wall;
step three: the controller compares the total heat exchange amount of the cooling mechanism with the total heat exchange amount minimum value of the cooling mechanism, and if the total heat exchange amount of the cooling mechanism is smaller than the total heat exchange amount minimum value of the cooling mechanism, the alarm gives an alarm.
Compared with the prior art, the invention has the following beneficial effects:
1. this 360 degrees holographic projection device, through the cylinder contract evenly can drive the movable block and remove, utilize connecting plate swing joint between rethread movable block and the movable plate, be convenient for drive the movable plate and remove in the inner chamber of shifting chute, be convenient for shift out or move the cardboard on the movable plate in the inner chamber of draw-in groove from the inner chamber of draw-in groove, be convenient for with holographic projection body centre gripping on the top of shifting board, it is firm to install, also is convenient for dismantle holographic projection body simultaneously.
2. This 360 degrees holographic projection device is equipped with through the top of under casing and keeps off the cover, is convenient for protect the three-dimensional image that holographic projection body was projected, has avoided the viewer to touch the three-dimensional image that holographic projection body was projected influence other viewers' experience and feels, utilizes connection frame and bolt activity to cup joint at the top of under casing through keeping off the cover, is convenient for keep off the cover restriction on the top of under casing.
3. This 360 degrees holographic projection device can drive the rotation of master gear through the operation of motor, and the rethread master gear is connected with the meshing between the pinion, is convenient for drive the holographic projection body rotation on the commentaries on classics board, is convenient for rotate the three-dimensional image that the holographic projection body was projected for do not need the viewer to move the position and also can all-round watch the three-dimensional image that whole holographic projection body was projected.
4. This 360 degrees holographic projection device, the side all is equipped with and around through the holographic projection body, and the staff of being convenient for will make progress the rotation, utilize with the holographic projection body from the inner chamber of under casing, the staff of also being convenient for simultaneously carries the holographic projection body.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic perspective view of a holographic projection body according to the present invention;
FIG. 3 is a schematic perspective view of a moving block according to the present invention;
FIG. 4 is a schematic diagram of an exploded perspective structure between a clamping plate and a clamping groove according to the present invention;
FIG. 5 is a schematic exploded perspective view of the connection frame and the latch of the present invention;
FIG. 6 is a perspective view of a main gear according to the present invention;
FIG. 7 is a schematic view of the adjusting device according to the present invention;
fig. 8 is a schematic structural view of the height adjusting mechanism of the present invention.
In the figure: 1. a bottom box; 2. a rotating shaft; 3. rotating the plate; 4. a side plate; 5. a cylinder; 6. a holographic projection body; 7. a card slot; 8. a moving block; 9. a connecting plate; 10. moving the plate; 11. clamping a plate; 12. a moving groove; 13. a shield; 14. a connecting frame; 15. a bolt; 16. a motor; 17. a main gear; 18. a pinion gear; 19. a baffle plate; 20. a handle; 21. a projection port; 22. an adjustment device; 221. a height adjustment mechanism; 2211. a first body; 2212. a second body; 2213. adjusting a rod; 2214. adjusting the body; 2215. a spring seat; 2216. a spring; 2217. a top rod; 2218. a steel ball; 2219. a first steel ball groove; 2220. a second steel ball groove; 222. an angle adjusting mechanism; 223. an illumination mechanism; 2230. a dust cover.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, a 360-degree holographic projection device comprises a bottom case 1, a projection port 21 is formed at the top of the bottom case 1 and located right above a holographic projection body 6, a blocking cover 13 located outside the projection port 21 is placed at the top of the bottom case 1, a connecting frame 14 is fixedly installed at the bottom of the blocking cover 13, four corners of the connecting frame 14 are movably sleeved on the top of the bottom case 1 through bolts 15, the blocking cover 13 is arranged at the top of the bottom case 1 and is convenient to protect a three-dimensional image projected by the holographic projection body 6, so that a viewer is prevented from touching the three-dimensional image projected by the holographic projection body 6 to influence the experience of other viewers, the blocking cover 13 is movably sleeved on the top of the bottom case 1 through the connecting frame 14 and the bolts 15, so that the blocking cover 13 is limited on the top of the bottom case 1, the blocking cover 13 is made of transparent glass, and the whole blocking cover 13 is in an inverted trapezoid shape, the baffle cover 13 is made of transparent glass, so that the three-dimensional image projected by the holographic projection body 6 can be conveniently watched, the bottom of the inner cavity of the bottom box 1 is fixedly provided with the motor 16, the output shaft of the motor 16 is fixedly sleeved with the main gear 17, the upper part of the rotating shaft 2 is fixedly sleeved with the auxiliary gear 18, the outer teeth of the main gear 17 are meshed with the outer teeth of the auxiliary gear 18, the main gear 17 can be driven to rotate by the operation of the motor 16, the holographic projection body 6 on the rotating plate 3 can be conveniently driven to rotate by the meshed connection between the main gear 17 and the auxiliary gear 18, the three-dimensional image projected by the holographic projection body 6 can be conveniently rotated, the three-dimensional image projected by the whole holographic projection body 6 can be watched without moving the position of a watcher, the diameter of the auxiliary gear 18 is equal to twice of the diameter of the main gear 17, and the center of the rotating shaft 2 and the center of the holographic, the diameter of the pinion 18 is equal to twice of the diameter of the main gear 17, so that the main gear 17 can be driven to slowly rotate when rotating, the rotating shaft 2 is movably sleeved at the bottom of the inner cavity of the bottom box 1, the rotating plate 3 is fixedly installed at the top of the rotating shaft 2, the side plate 4 is fixedly installed at one side of the top of the rotating plate 3, the air cylinder 5 is fixedly installed at one side of the side plate 4, the output shaft of the air cylinder 5 is movably sleeved at the center of the side plate 4, the connecting plate 9, the moving plate 10 and the clamping plate 11 which are symmetrically distributed are arranged at the front side and the rear side of the moving block 8 when the air cylinder 5 runs, so that the moving plate 10 at the front side and the rear side of the, all there is 20 in the front and back side of holographic projection body 6 through axle activity cup joint, the equal fixed mounting in front and back side of holographic projection body 6 has 19, the top of 19 and the bottom contact of 20, all be equipped with 19 and 20 through the front and back side of holographic projection body 6, the staff of being convenient for upwards rotates 20, utilize 20 in the inner chamber of holographic projection body 6 from the under casing 1, the staff of also being convenient for simultaneously carries holographic projection body 6, draw-in groove 7 has been seted up to the front side of holographic projection body 6, the one end fixed mounting of cylinder 5 has movable block 8, connecting plate 9 has been cup jointed through axle activity in the top of movable block 8, movable plate 10 has been cup jointed through axle activity in one side of connecting plate 9 bottom, the rear side fixed mounting of movable plate 10 has the cardboard 11 that is located the inner chamber of draw-in groove 7, shifting chute 12 has been seted up to one side of curb.
The working principle is as follows: when the holographic projection device is used, the main gear 17 can be driven to rotate by the operation of the motor 16, the holographic projection body 6 on the rotating plate 3 is driven to rotate by the meshing connection between the main gear 17 and the pinion 18, the three-dimensional image projected by the holographic projection body 6 is rotated, so that the three-dimensional image projected by the whole holographic projection body 6 can be watched in all directions without moving the position of a viewer, when the holographic projection body 6 needs to be disassembled, the moving block 8 can be driven to move leftwards by the leftward operation of the air cylinder 5, the moving plate 10 is driven to move away from the center of the side plate 4 in the inner cavity of the moving groove 12 by the movable connection between the moving block 8 and the moving plate 10 through the movable connection of the connecting plate 9, the clamping plate 11 on the moving plate 10 is moved out of the inner cavity of the clamping groove 7, the bolt 15 is drawn out of the top of the bottom box 1, the blocking, the holographic projection body 6 may be taken out of the cavity of the bottom case 1 by 20.
In one embodiment, an adjusting device 22 is arranged on the bottom case 1, the adjusting device 22 is connected with the bottom case 1 through a hinge, the adjusting device 22 comprises a height adjusting mechanism 221, an angle adjusting mechanism 222 and an illuminating mechanism 223, the angle adjusting mechanism 222 is connected with the height adjusting mechanism 221 through a hinge, and the height adjusting mechanism 221 is fixedly connected with the illuminating mechanism 223;
the height adjusting mechanism 221 includes a first body 2211, a second body 2212, an adjusting rod 2213 and an adjusting body 2214, the first body 2211, the second body 2212 and the adjusting body 2214 are all hollow structures, the adjusting body 2214 is disposed in the first body 2211 and is in threaded connection with the first body 2211, the adjusting rod 2213 is disposed in the second body 2212 and is in threaded connection with the second body 2212, the adjusting body 2214 is provided with a first driving motor, the first driving motor is used for driving the adjusting body 2214 to rotate, the adjusting rod 2213 is provided with a third driving motor for driving the adjusting rod 2213 to rotate, the adjusting rod 2213 is hollow structure, the adjusting rod 2213 is sequentially composed of a spring seat 2215, a spring 2216, a push rod 7 and a steel ball 2218 from bottom to top, the adjusting rod 2213 is further provided with a second steel ball groove 2220, the adjusting steel ball 2214 is provided with a first steel ball 2219, a second driving motor is arranged on the spring seat 2215 and used for driving the spring seat 2215 to rotate;
the angle adjusting mechanism 222 is composed of three cylinders which are uniformly arranged, one end of each cylinder is hinged with the adjusting device 22, and the other end of each cylinder is hinged with the bottom case 1;
the illumination mechanism 223 is composed of four illumination lamps uniformly arranged, and dust covers 2230 are arranged on the illumination lamps.
The working principle and the advantages of the above example are that the height adjusting mechanism is used to adjust the height of the projection apparatus, when the projection apparatus extends, the first driving motor drives the adjusting body 2214 to rotate, the rotation of the adjusting body 2214 is converted into the rotation of the adjusting body 2214 along the first body 2211 under the action of the screw thread, so as to achieve the effect of adjusting the height of the projection apparatus, when the adjusting body 2214 rotates in place, the third driving motor drives the adjusting rod 2213 to rotate, so that the first steel ball 2219 is communicated with the second steel ball 2220, the second driving motor drives the spring seat 2215 to rotate, the spring seat 2215 rotates to move along the adjusting rod 2213 under the action of the screw thread, the spring 2216 is compressed, so that the push rod 2217 pushes the steel ball 2218 into the first steel ball 2219, make the height-adjusting locked, angle adjustment mechanism 222 utilizes the extension length of three cylinder pistons is different, adjusts projection device's projection angle, illumination mechanism 223 has made things convenient for when illuminating the space projection device's maintenance, has guaranteed that the staff is in the maintenance projection device's safety, spring 2216's design makes adjusting device 22 can the automatic recovery state, need not artificial operation, has improved projection device's work efficiency, height adjustment mechanism 221's steel ball 2218's design has greatly guaranteed projection device's safety in utilization.
In one embodiment, further comprising:
the air cylinder 5 comprises a piston and a cylinder wall, a cooling mechanism is sleeved on the outer side of the cylinder wall, the cooling mechanism is provided with a cold water inlet and a cold water outlet, and cold water is introduced into the cooling mechanism when the air cylinder is used, so that heat generated by friction between the piston and the cylinder wall is reduced;
the first speed sensor is arranged on the side, with the rod, of the piston and used for detecting the initial speed of the piston during feeding;
the second speed sensor is arranged on the rodless side of the piston and used for detecting the initial speed of the piston during retraction;
the first acceleration sensor is arranged on one side of the piston with the rod and used for detecting the feed acceleration of the piston rod;
the second acceleration sensor is arranged on the rodless side of the piston rod and used for detecting the acceleration of the piston rod during retraction;
the first temperature sensor is arranged at a cold water inlet of the cooling mechanism and used for detecting the temperature at the cold water inlet of the cooling mechanism;
the second temperature sensor is arranged at a cold water outlet of the cooling mechanism and used for detecting the temperature at a water outlet of the cooling mechanism;
the air pressure sensor is arranged on one side of a rod cavity (the interior of the air cylinder is divided into two cavities by a piston, and the cavity with a piston rod is the rod cavity) in the air cylinder and used for detecting the air pressure on one side of the rod cavity in the air cylinder;
the controller, the alarm, the controller with first speed sensor the second speed sensor first acceleration sensor the second acceleration sensor first temperature sensor the second temperature sensor atmospheric pressure sensor with the alarm electricity is connected, the controller is based on first speed sensor the second speed sensor first acceleration sensor the second acceleration sensor the first temperature sensor the second temperature sensor with atmospheric pressure sensor control the alarm is reported to the police.
In one embodiment, the controller controls the alarm to alarm based on the first speed sensor, the second speed sensor, the first acceleration sensor, the second acceleration sensor, the first temperature sensor, the second temperature sensor, and the barometric pressure sensor, including the steps of:
the method comprises the following steps: calculating the actual heat generated by the friction between the piston and the cylinder wall of the cylinder 5 based on the first speed sensor, the second speed sensor, the first acceleration sensor, the second acceleration sensor and the formula (1):
wherein Q is1The actual heat generated by the friction between the piston of the cylinder 5 and the cylinder wall,is the modulus of elasticity of the piston, pi is the circumference ratio, the value is 3.14, epsilon is the length of the piston, d1Is the inner diameter of the cylinder wall, d2Is the diameter of the piston, mu1Is the initial speed of the piston during the feed, i.e. the value detected by the first speed sensor, mu2Is the initial speed of the piston when retracting, i.e. the detection value of the second speed sensor, S is the contact area of the piston and the cylinder wall, a1Is the feed acceleration of the piston rod, i.e. the detected value of the first acceleration sensor, a2The acceleration when the piston rod retracts, namely the detection value of the second acceleration sensor, is V, and the volume of the cylinder wall is V;
step two: calculating the total heat exchange quantity of the cooling mechanism based on the first temperature sensor, the second temperature sensor, the air pressure sensor, the step one and a formula (2):
wherein Q is saidTotal heat exchange quantity, R, of warm mechanismcrIs the heat transfer coefficient of cold water with the cylinder wall, S1Is the outer wall area, T, of the cylinder walliIs a value detected by the first temperature sensor, TOIs the detection value of the second temperature sensor, pi is the circumferential rate, and takes the value of 3.14, d3Is the outer diameter of the cylinder wall, t is the thickness of the cylinder wall, P is the air pressure at the side with the rod cavity in the cylinder, namely the detection value of the air pressure sensor, mu is the friction coefficient of the piston and the cylinder wall, mu1Is the initial speed of the piston during the feed, i.e. the value detected by the first speed sensor, mu2At a starting speed, Q, at which the piston is retracted1Actual heat generated by friction between the piston and the cylinder wall of the cylinder 5, Q0The preset heat generated by the friction between the piston of the cylinder 5 and the cylinder wall;
step three: the controller compares the total heat exchange amount of the cooling mechanism with the total heat exchange amount minimum value of the cooling mechanism, and if the total heat exchange amount of the cooling mechanism is smaller than the total heat exchange amount minimum value of the cooling mechanism, the alarm gives an alarm.
The working principle and the beneficial effects of the two embodiments are as follows: firstly, calculating actual heat generated by friction between a piston of the cylinder 5 and a cylinder wall based on the first speed sensor, the second speed sensor, the first acceleration sensor, the second acceleration sensor and a formula (1), then calculating total heat exchange quantity of the cooling mechanism based on the first temperature sensor, the second temperature sensor, the air pressure sensor, a step one and a formula (2), finally comparing the total heat exchange quantity of the cooling mechanism with the total heat exchange quantity minimum value of the cooling mechanism by a controller, if the total heat exchange quantity of the cooling mechanism is smaller than the total heat exchange quantity minimum value of the cooling mechanism, alarming by an alarm, reducing the heat generated by friction between the piston and the cylinder wall by the design of the cooling mechanism, ensuring normal use of the cylinder and prolonging the service life of the cylinder 5, the first speed sensor and the second speed sensor are introduced when calculating the actual heat generated by the friction between the piston of the cylinder 5 and the cylinder wallDetection value mu of degree sensor1And mu2The square of the difference is adopted for calculation instead of only adopting a certain physical quantity, the influence of the piston speed on the actual heat generated by the friction between the piston and the cylinder wall of the cylinder 5 is eliminated, the accuracy of the calculated actual heat generated by the friction between the piston and the cylinder wall of the cylinder 5 is increased, and the detection values T of the first temperature sensor and the second temperature sensor are introduced when the total heat exchange quantity of the cooling mechanism is calculatediAnd TOAnd the difference and the sum are divided to be used as a final temperature value, so that the calculated total heat exchange quantity of the cooling mechanism is more accurate.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Meanwhile, in the drawings of the invention, the filling pattern is only used for distinguishing the layers and is not limited at all.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A360-degree holographic projection device, comprising a bottom case (1), characterized in that: the bottom of the inner cavity of the bottom box (1) is movably sleeved with a rotating shaft (2), the top of the rotating shaft (2) is fixedly provided with a rotating plate (3), one side of the top of the rotating plate (3) is fixedly provided with a side plate (4), one side of the side plate (4) is fixedly provided with a cylinder (5), the other side of the top of the rotating plate (3) is provided with a holographic projection body (6), the front side of the holographic projection body (6) is provided with a clamping groove (7), one end of the cylinder (5) is fixedly provided with a moving block (8), the top of the moving block (8) is movably sleeved with a connecting plate (9) through a shaft, one side of the bottom of the connecting plate (9) is movably sleeved with a moving plate (10) through a shaft, the rear side of the moving plate (10) is fixedly provided with a clamping plate (11) positioned in the inner cavity of the clamping groove, the inner cavity of the moving groove (12) is movably sleeved with a moving plate (10).
2. A 360 degree holographic projection device according to claim 1, wherein: the top of the bottom case (1) is provided with a projection port (21) which is positioned right above the holographic projection body (6), a blocking cover (13) which is positioned on the outer side of the projection port (21) is placed at the top of the bottom case (1), a connecting frame (14) is fixedly installed at the bottom of the blocking cover (13), and four corners of the connecting frame (14) are movably sleeved on the top of the bottom case (1) through bolts (15).
3. A 360 degree holographic projection device according to claim 2, wherein: the shielding cover (13) is made of transparent glass, and the whole shielding cover (13) is in an inverted ladder shape.
4. A 360 degree holographic projection device according to claim 1, wherein: the bottom of under casing (1) inner chamber fixed mounting has motor (16), master gear (17) have been cup jointed to the output shaft of motor (16) fixedly, pinion (18) have been cup jointed to the upper portion of pivot (2) fixedly, the external tooth of master gear (17) and the external tooth intermeshing of pinion (18).
5. A360 degree holographic projection device according to claim 4, wherein: the diameter of the pinion (18) is equal to twice that of the main gear (17), and the center of the rotating shaft (2) and the center of the holographic projection body (6) are on the same straight line.
6. A 360 degree holographic projection device according to claim 1, wherein: the front side and the rear side of the holographic projection body (6) are movably sleeved with the shaft (20), the front side and the rear side of the holographic projection body (6) are fixedly provided with the shaft (19), and the top of the shaft (19) is in contact with the bottom of the shaft (20).
7. A 360 degree holographic projection device according to claim 1, wherein: the output shaft of the cylinder (5) is movably sleeved at the center of the side plate (4), and the front side and the rear side of the moving block (8) are provided with a connecting plate (9), a moving plate (10) and a clamping plate (11) which are symmetrically distributed.
8. A 360 degree holographic projection device according to claim 1, wherein: the bottom box (1) is provided with an adjusting device (22), the adjusting device (22) is connected with the bottom box (1) through a hinge, the adjusting device (22) comprises a height adjusting mechanism (221), an angle adjusting mechanism (222) and a lighting mechanism (223), the angle adjusting mechanism (222) is connected with the height adjusting mechanism (221) through a hinge, and the height adjusting mechanism (221) is fixedly connected with the lighting mechanism (223);
height adjustment mechanism (221) includes first body (2211), second body (2212), adjusts pole (2213) and adjusts body (2214), first body (2211), second body (2212) with adjust body (2214) and be hollow structure, adjust body (2214) and set up in first body (2211), and with first body (2211) threaded connection, it sets up to adjust pole (2213) in second body (2212), and with second body (2212) threaded connection, be equipped with first driving motor on adjusting body (2214), first driving motor is used for the drive adjust body (2214) and rotate, be equipped with third driving motor on adjusting pole (2213), be used for the drive adjust pole (3) and rotate, it is hollow structure to adjust pole (2213), it is spring holder (2215) to adjust pole (2213) to last in proper order, The spring seat (2215) is provided with a spring (2216), a push rod (2217) and a steel ball (2218), a second steel ball groove (2220) is further formed in the adjusting rod (2213), a first steel ball groove (2219) is formed in the adjusting body (2214), and a second driving motor is arranged on the spring seat (2215) and used for driving the spring seat (2215) to rotate;
the angle adjusting mechanism (222) consists of three cylinders which are uniformly arranged, one end of each cylinder is hinged with the adjusting device (22), and the other end of each cylinder is hinged with the bottom box (1);
the illuminating mechanism (223) is composed of four illuminating lamps which are uniformly arranged, and dust covers (2230) are arranged on the illuminating lamps.
9. A 360 degree holographic projection device according to claim 1, wherein: further comprising:
the air cylinder (5) comprises a piston and a cylinder wall, a cooling mechanism is sleeved on the outer side of the cylinder wall, the cooling mechanism is provided with a cold water inlet and a cold water outlet, and cold water is introduced into the cooling mechanism when the air cylinder is used, so that heat generated by friction between the piston and the cylinder wall is reduced;
the first speed sensor is arranged on the side, with the rod, of the piston and used for detecting the initial speed of the piston during feeding;
the second speed sensor is arranged on the rodless side of the piston and used for detecting the initial speed of the piston during retraction;
the first acceleration sensor is arranged on one side of the piston with the rod and used for detecting the feed acceleration of the piston rod;
the second acceleration sensor is arranged on the rodless side of the piston rod and used for detecting the acceleration of the piston rod during retraction;
the first temperature sensor is arranged at a cold water inlet of the cooling mechanism and used for detecting the temperature at the cold water inlet of the cooling mechanism;
the second temperature sensor is arranged at a cold water outlet of the cooling mechanism and used for detecting the temperature at a water outlet of the cooling mechanism;
the air pressure sensor is arranged on one side of the rod cavity in the air cylinder and used for detecting the air pressure on one side of the rod cavity in the air cylinder;
the controller, the alarm, the controller with first speed sensor the second speed sensor first acceleration sensor the second acceleration sensor first temperature sensor the second temperature sensor atmospheric pressure sensor with the alarm electricity is connected, the controller is based on first speed sensor the second speed sensor first acceleration sensor the second acceleration sensor the first temperature sensor the second temperature sensor with atmospheric pressure sensor control the alarm is reported to the police.
10. A 360 degree holographic projection device according to claim 9, wherein:
the controller controls the alarm to alarm based on the first speed sensor, the second speed sensor, the first acceleration sensor, the second acceleration sensor, the first temperature sensor, the second temperature sensor and the air pressure sensor, and comprises the following steps:
the method comprises the following steps: calculating the actual heat generated by the friction between the piston and the cylinder wall of the cylinder (5) based on the first speed sensor, the second speed sensor, the first acceleration sensor, the second acceleration sensor and the formula (1):
wherein Q is1Is the actual heat generated by the friction between the piston of the cylinder (5) and the cylinder wall,is the modulus of elasticity of the piston, pi is the circumferential ratio, and takes a value of 3.14, and epsilon is the valueLength of piston, d1Is the inner diameter of the cylinder wall, d2Is the diameter of the piston, mu1Is the initial speed of the piston during the feed, i.e. the value detected by the first speed sensor, mu2Is the initial speed of the piston when retracting, i.e. the detection value of the second speed sensor, S is the contact area of the piston and the cylinder wall, a1Is the feed acceleration of the piston rod, i.e. the detected value of the first acceleration sensor, a2The acceleration when the piston rod retreats, namely the detection value of the second acceleration sensor, V is the volume of the cylinder wall, and e is a natural constant and takes a value of 2.72;
step two: calculating the total heat exchange quantity of the cooling mechanism based on the first temperature sensor, the second temperature sensor, the air pressure sensor, the step one and a formula (2):
wherein Q is the total heat exchange capacity of the cooling mechanism, RcrIs the heat transfer coefficient of cold water with the cylinder wall, S1Is the outer wall area, T, of the cylinder walliIs a value detected by the first temperature sensor, TOIs the detection value of the second temperature sensor, pi is the circumferential rate, and takes the value of 3.14, d3Is the outer diameter of the cylinder wall, t is the thickness of the cylinder wall, P is the air pressure at the side with the rod cavity in the cylinder, namely the detection value of the air pressure sensor, mu is the friction coefficient of the piston and the cylinder wall, mu1Is the initial speed of the piston during the feed, i.e. the value detected by the first speed sensor, mu2At a starting speed, Q, at which the piston is retracted1Actual heat generated by friction between the piston of the cylinder (5) and the cylinder wall, Q0The preset heat generated by the friction between the piston of the cylinder (5) and the cylinder wall;
step three: the controller compares the total heat exchange amount of the cooling mechanism with the total heat exchange amount minimum value of the cooling mechanism, and if the total heat exchange amount of the cooling mechanism is smaller than the total heat exchange amount minimum value of the cooling mechanism, the alarm gives an alarm.
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CN113100974A (en) * | 2021-04-12 | 2021-07-13 | 泰州市奥美齿科制品有限公司 | Tooth cutting dyeing processing apparatus |
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CN115061347A (en) * | 2022-05-30 | 2022-09-16 | 北京笔中展览展示有限公司 | Multi-angle display device for exhibition hall |
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