CN112631047A - Projector with anti-blocking function - Google Patents
Projector with anti-blocking function Download PDFInfo
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- CN112631047A CN112631047A CN202011428402.3A CN202011428402A CN112631047A CN 112631047 A CN112631047 A CN 112631047A CN 202011428402 A CN202011428402 A CN 202011428402A CN 112631047 A CN112631047 A CN 112631047A
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- main body
- rod
- fixedly connected
- projector
- heat dissipation
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 58
- 230000007246 mechanism Effects 0.000 claims abstract description 53
- 238000004140 cleaning Methods 0.000 claims abstract description 31
- 230000000712 assembly Effects 0.000 claims abstract description 17
- 238000000429 assembly Methods 0.000 claims abstract description 17
- 230000000903 blocking effect Effects 0.000 claims abstract description 7
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 239000004519 grease Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims description 3
- 239000011701 zinc Substances 0.000 claims description 3
- 229910052725 zinc Inorganic materials 0.000 claims description 3
- 229920001296 polysiloxane Polymers 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 17
- 238000006748 scratching Methods 0.000 abstract description 5
- 230000002393 scratching effect Effects 0.000 abstract description 5
- 239000000428 dust Substances 0.000 description 8
- 238000009423 ventilation Methods 0.000 description 8
- 238000010248 power generation Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 241000251468 Actinopterygii Species 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000002337 anti-port Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 238000004078 waterproofing Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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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
- G03B21/14—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/12—Brushes
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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
- G03B21/14—Details
- G03B21/145—Housing details, e.g. position adjustments thereof
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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
- G03B21/14—Details
- G03B21/16—Cooling; Preventing overheating
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Projection Apparatus (AREA)
Abstract
The invention relates to a projector with an anti-blocking function, which comprises a main body, a lens, four supporting blocks, an anti-blocking mechanism and a protection mechanism, wherein the anti-blocking mechanism comprises a heat dissipation assembly and two auxiliary assemblies, the protection mechanism comprises a protection plate, a rotating shaft, a connecting block, a supporting rod, two second bearings and two connecting assemblies, each connecting assembly comprises a power rod, a gear, a rack and two moving rods, the projector with the anti-blocking function achieves the function of cleaning the filter screen through the anti-blocking mechanism, reduces the probability of blocking the filter screen, prevents the influence on the heat dissipation work, improves the reliability of equipment, achieves the function of blocking the lens through the protection mechanism, reduces the probability of scratching the lens, prevents the influence on the projection effect, and improves the reliability of the equipment.
Description
Technical Field
The invention relates to the field of office equipment, in particular to a projector with an anti-blocking function.
Background
A projector, also called a projector, is a device that can project images or videos onto a curtain, and can be connected with a computer, a VCD, a DVD, a BD, a game machine, a DV, etc. through different interfaces to play corresponding video signals. Projectors are widely used in homes, offices, schools and entertainment places at present, and have different types such as CRT, LCD and DLP according to different working modes.
The camera lens of current projecting apparatus exposes usually outside, has increased the probability that the camera lens was by the fish tail to influence the projection effect of current projecting apparatus easily, moreover, current projecting apparatus generally sets up the filter screen and comes the inside work of dispelling the heat of main part, and after long-term heat dissipation, the filter screen is easy to be blockked up by the dust, influences the work of dispelling the heat, thereby greatly reduced the reliability of current projecting apparatus.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, the projector with the anti-blocking function is provided.
The technical scheme adopted by the invention for solving the technical problems is as follows: a projector with an anti-blocking function comprises a main body, a lens and four supporting blocks, wherein the four supporting blocks are respectively fixed at four corners below the main body, the lens is arranged on one side of the main body, a PLC is arranged in the main body, the projector also comprises an anti-blocking mechanism and a protection mechanism, the anti-blocking mechanism is arranged in the main body, the protection mechanism is arranged on one side of the main body close to the lens, and the anti-blocking mechanism is connected with the protection mechanism;
the anti-blocking mechanism comprises a heat dissipation assembly and two auxiliary assemblies, round holes are formed in two sides of the main body adjacent to the lens, the round holes correspond to the auxiliary assemblies one by one, the heat dissipation assembly is arranged inside the main body, the auxiliary assemblies are connected with the heat dissipation assembly, and the heat dissipation assembly is connected with the protection mechanism;
the auxiliary assembly comprises a ventilation pipe, a fan, a filter screen, a connecting rod and two limiting units, one end of the ventilation pipe is connected with the limiting units, the other end of the ventilation pipe penetrates through a round hole to be fixedly connected with one end of the connecting rod, the other end of the connecting rod is connected with the heat dissipation assembly, the periphery of the ventilation pipe is in sealed sliding connection with the inner wall of the round hole, the periphery of the filter screen is fixedly connected with the inner wall of the ventilation pipe, the fan is fixed inside the ventilation pipe, the fan is arranged on one side, close to the heat dissipation assembly, of the filter screen, the limiting units are arranged on one side, close to the round hole, of the main body, the two limiting units are symmetrically;
the limiting unit comprises a limiting rod, a limiting frame, a spring and a support rod, wherein the limiting frame is in a shape of a square, one side of the limiting frame is fixedly connected with one side, close to the round hole, of the main body, a through hole is formed in the other side of the limiting frame, the limiting rod is in an L shape, one end of the limiting rod is fixedly connected with the periphery of one end, far away from the fan, of the ventilation pipe, the other end of the limiting rod penetrates through the through hole to be fixedly connected with the center of one side of the support rod, grooves are formed in the top and the bottom of the limiting frame, two ends of the support rod are arranged inside the two grooves respectively, the support rod is in sliding connection with the grooves, the support rod is matched with the grooves, and two ends of the spring are connected with the other side of the support rod and the;
the heat dissipation assembly comprises a telescopic frame, a first support plate, a second support plate, two moving blocks, two sliding blocks, two guide rods, two driving units, a plurality of heat dissipation fins and a plurality of cleaning frames, wherein the two driving units are respectively arranged on the inner walls of the two sides of a main body, the driving units correspond to connecting rods one to one, the driving units are connected with one ends, far away from a ventilation pipe, of the connecting rods, the sliding blocks correspond to the driving units one to one, the driving units are connected with the sliding blocks, the sliding blocks correspond to the guide rods one to one, a sliding groove is formed in the bottom of the main body, one end of each guide rod is fixedly connected with the corresponding sliding block, the other end of each guide rod is arranged inside the corresponding sliding groove, the guide rods are matched with the sliding grooves, the two sides of one end of the telescopic frame are respectively hinged with the two sliding blocks, and, the second support plate is horizontally arranged inside the main body, a strip-shaped groove is arranged below the second support plate, the other side of the moving block is arranged inside the strip-shaped groove, the moving block is matched with the strip-shaped groove, the strip-shaped groove is a dovetail groove, the radiating fins are uniformly fixed above the second support plate, a plurality of strip-shaped openings are arranged above the main body, the number of the radiating fins is equal to that of the strip-shaped openings, the radiating fins are in one-to-one correspondence with the strip-shaped openings, the other ends of the radiating fins penetrate through the strip-shaped openings to be fixedly connected with the first support plate, the number of the radiating fins is equal to that of the cleaning frame, the radiating fins are in one-to-one correspondence with the cleaning frame, the cleaning frame is fixed above the main body, the cleaning frame is in a shape of a square, the cleaning frame is sleeved on the radiating fins, the first support plate is abutted against the upper side of the cleaning frame, the brush is abutted against the radiating fins, and the first supporting plate is connected with the protection mechanism;
the driving unit comprises first bearings, screw rods and ball screw bearings, the two first bearings are respectively fixed on the inner walls of the two sides of the main body, one end of each screw rod is fixedly connected with the inner ring of the corresponding first bearing, the other ends of the two screw rods are mutually fixedly connected, the ball screw bearings are sleeved on the screw rods, threads matched with the screw rods are arranged at the joints of the ball screw bearings and the screw rods, the connecting rods are fixedly connected with the outer rings of the ball screw bearings, the sliding blocks are sleeved on the screw rods, and threads matched with the screw rods are arranged at the joints of the sliding blocks and the screw rods;
the protection mechanism comprises a protection plate, a rotating shaft, a connecting block, a supporting rod, two second bearings and two connecting components, wherein the second bearings are fixed on one side, close to the lens, of the main body;
coupling assembling includes power rod, gear, rack and two carriage release levers, one side that is close to the camera lens of main part is equipped with four guide slots, carriage release lever and guide slot one-to-one, the one end setting of carriage release lever is in the inside of guide slot, the one end and the guide slot matching of carriage release lever, the one end and the guide slot sliding connection of carriage release lever, the guide slot is the dovetail, the other end of two carriage release levers respectively with the both sides fixed connection of rack, the shape of power rod is L shape, the both ends of power rod respectively with first support and rack fixed connection, the gear is fixed in the pivot, wheel and rack toothing.
Preferably, the gear is coated with grease in order to make the gear smoothly rotate.
Preferably, in order to prevent the lead screw from being corroded, the lead screw is coated with an anti-corrosion zinc coating.
Preferably, in order to improve the sealing performance, the inner wall of the round hole is coated with sealing grease.
Preferably, in order to avoid scratching the heat dissipation fins, the inner wall of the strip-shaped opening is a mirror surface.
Preferably, the through-hole has a square cross-sectional shape in order to limit the moving direction of the stopper rod.
Preferably, in order to improve the heat dissipation effect, the inner wall of the main body is coated with heat conductive silica gel.
Preferably, the outer circumference of the body is coated with a waterproof coating for the purpose of waterproofing.
Preferably, in order to control the operation of the equipment, a plurality of keys are arranged above the main body and electrically connected with the PLC.
Preferably, a photovoltaic panel is fixed above the first stay to realize a function of solar power generation.
The invention has the advantages that the projector with the anti-blocking function realizes the function of cleaning the filter screen through the anti-blocking mechanism, reduces the probability of blocking the filter screen, prevents the influence on the heat dissipation work, improves the reliability of the equipment, can increase the heat dissipation area during heat dissipation and improve the heat dissipation effect compared with the existing anti-blocking mechanism, can put the heat dissipation fins into the main body when not dissipating heat, reduces the probability of damaging the heat dissipation fins, can clean the heat dissipation fins, prevents dust from being brought into the main body, does not influence the heat dissipation effect of the heat dissipation fins, improves the practicability of the equipment, realizes the function of blocking the lens through the protection mechanism, reduces the probability of scratching the lens, prevents the influence on the projection effect, and improves the reliability of the equipment, compared with the existing protection mechanism, the integrated linkage mechanism of the protection mechanism and the anti-blocking mechanism does not need a driving source added in addition, is convenient to operate and has higher practicability.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic structural view of a projector with an anti-jam function according to the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
fig. 3 is a schematic structural view of a protection mechanism of the projector with the anti-blocking function according to the present invention;
FIG. 4 is an enlarged view of portion B of FIG. 3;
in the figure: 1. the novel solar photovoltaic module comprises a main body, 2 supporting blocks, 3 ventilating pipes, 4 filter screens, 5 fans, 6 limiting rods, 7 supporting rods, 8 springs, 9 limiting frames, 10 connecting rods, 11 ball screw bearings, 12 lead screws, 13 sliding blocks, 14 guide rods, 15 telescopic frames, 16 moving blocks, 17 second supporting plates, 18 radiating fins, 19 first supporting plates, 20 cleaning frames, 21 racks, 22 moving rods, 23 gears, 24 rotating shafts, 25 connecting blocks, 26 supporting rods, 27 protective plates, 28 lenses, 29 photovoltaic plates, 30 keys, 31 power rods.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1, a projector with an anti-blocking function includes a main body 1, a lens 28, four supporting blocks 2, the four supporting blocks 2 are respectively fixed at four corners below the main body 1, the lens 28 is arranged at one side of the main body 1, a PLC is arranged inside the main body 1, and the projector further includes an anti-blocking mechanism and a protection mechanism, the anti-blocking mechanism is arranged inside the main body 1, the protection mechanism is arranged at one side of the main body 1 close to the lens 28, and the anti-blocking mechanism is connected with the protection mechanism;
PLCs, i.e., programmable logic controllers, are generally used for the processing of data and the receipt and output of instructions for central control.
This projecting apparatus with prevent blockking up function has realized giving filter screen 4 clear function through preventing blockking up the mechanism, has reduced the probability that filter screen 4 blockked up, prevents to cause the influence to the work of dispelling the heat, has improved the reliability of equipment, through protection machanism, has realized the function that shelters from lens 28, has reduced the probability that lens 28 was by the fish tail, prevents to cause the influence to the projection effect to the reliability of equipment has been improved.
As shown in fig. 1-2, the anti-blocking mechanism includes a heat dissipation assembly and two auxiliary assemblies, circular holes are formed in two sides of the main body 1 adjacent to the lens 28, the circular holes correspond to the auxiliary assemblies one to one, the heat dissipation assembly is arranged inside the main body 1, the auxiliary assemblies are connected with the heat dissipation assembly, and the heat dissipation assembly is connected with the protection mechanism;
the auxiliary assembly comprises a through branch pipe 3, a fan 5, a filter screen 4, a connecting rod 10 and two limiting units, one end of the through branch pipe 3 is connected with the limiting units, the other end of the through branch pipe 3 penetrates through a round hole to be fixedly connected with one end of the connecting rod 10, the other end of the connecting rod 10 is connected with a heat dissipation assembly, the periphery of the through branch pipe 3 is in sealing sliding connection with the inner wall of the round hole, the periphery of the filter screen 4 is fixedly connected with the inner wall of the through branch pipe 3, the fan 5 is fixed inside the through branch pipe 3, the fan 5 is arranged on one side, close to the heat dissipation assembly, of the filter screen 4, the limiting units are arranged on one side, close to the round hole, of the main body 1, the two limiting units are symmetrically arranged relative to the axis of the through branch pipe;
the limiting unit comprises a limiting rod 6, a limiting frame 9, a spring 8 and a support rod 7, the limiting frame 9 is in a shape of a square-turn, one side of the limit frame 9 is fixedly connected with one side of the main body 1 close to the round hole, the other side of the limit frame 9 is provided with a through hole, the limiting rod 6 is L-shaped, one end of the limiting rod 6 is fixedly connected with the periphery of one end of the general branch pipe 3 far away from the fan 5, the other end of the limiting rod 6 passes through the through hole to be fixedly connected with the center of one side of the supporting rod 7, the top and the bottom in the limiting frame 9 are both provided with grooves, two ends of the supporting rod 7 are respectively arranged in the two grooves, the supporting rod 7 is connected with the grooves in a sliding way, the supporting rod 7 is matched with the groove, and two ends of the spring 8 are respectively connected with the other side of the supporting rod 7 and the inner wall of one side, close to the main body 1, of the limiting frame 9;
the heat dissipation assembly comprises a telescopic frame 15, a first supporting plate 19, a second supporting plate 17, two moving blocks 16, two sliding blocks 13, two guide rods 14, two driving units, a plurality of heat dissipation fins 18 and a plurality of cleaning frames 20, wherein the two driving units are respectively arranged on the inner walls of the two sides of a main body 1, the driving units are in one-to-one correspondence with connecting rods 10, the driving units are connected with one ends, far away from a branch pipe 3, of the connecting rods 10, the sliding blocks 13 are in one-to-one correspondence with the driving units, the driving units are connected with the sliding blocks 13, the sliding blocks 13 are in one-to-one correspondence with the guide rods 14, a sliding groove is formed in the bottom of the main body 1, one end of each guide rod 14 is fixedly connected with the corresponding sliding block 13, the other end of each guide rod 14 is arranged inside the corresponding sliding groove, the two sides of one end of the telescopic frame 15 are respectively hinged with the two sliding blocks 13, and two sides of the, the second support plate 17 is horizontally arranged inside the main body 1, a strip-shaped groove is arranged below the second support plate 17, the other side of the moving block 16 is arranged inside the strip-shaped groove, the moving block 16 is matched with the strip-shaped groove, the strip-shaped groove is a dovetail groove, the radiating fins 18 are uniformly fixed above the second support plate 17, a plurality of strip-shaped openings are formed above the main body 1, the number of the radiating fins 18 is equal to that of the strip-shaped openings, the radiating fins 18 correspond to the strip-shaped openings one by one, the other ends of the radiating fins 18 penetrate through the strip-shaped openings to be fixedly connected with the first support plate 19, the number of the radiating fins 18 is equal to that of the cleaning frames 20, the radiating fins 18 correspond to the cleaning frames 20 one by one, the cleaning frames 20 are fixed above the main body 1, the cleaning frames 20 are in a shape of a reverse, and the cleaning frames 20 are sleeved, the first supporting plate 19 abuts against the upper side of the cleaning frame 20, brushes are uniformly fixed on the inner wall of one side, close to the heat radiating fins 18, of the cleaning frame 20, the brushes abut against the heat radiating fins 18, and the first supporting plate 19 is connected with the protection mechanism;
the driving unit comprises first bearings, a screw rod 12 and a ball screw bearing 11, the two first bearings are respectively fixed on the inner walls of the two sides of the main body 1, one end of the screw rod 12 is fixedly connected with the inner ring of the first bearings, the other ends of the two screw rods 12 are mutually and fixedly connected, the ball screw bearing 11 is sleeved on the screw rod 12, a thread matched with the screw rod 12 is arranged at the joint of the ball screw bearing 11 and the screw rod 12, the connecting rod 10 is fixedly connected with the outer ring of the ball screw bearing 11, the sliding block 13 is sleeved on the screw rod 12, and a thread matched with the screw rod 12 is arranged at the joint of the sliding block 13 and the screw rod 12;
when the heat dissipation work is carried out, the fan 5 is started, so that the outside air enters the inside of the main body 1 through the through branch pipe 3, a force which is close to the fan 5 is given to the filter screen 4, the through branch pipe 3 is driven to move along the round hole, the through branch pipe 3 moves towards the direction which is close to the second support plate 17, meanwhile, the support rod 7 is driven to move along the groove through the limiting rod 6, the compression spring 8 is compressed, when the heat dissipation is stopped, the fan 5 stops working, the force which is given to the filter screen 4 is reduced, the support rod 7 moves towards the direction which is far away from the main body 1 under the action of the restoring force of the spring 8, the through branch pipe is driven to move through the limiting rod 6, the filter screen 4 moves, the filter screen 4 shakes, the dust adhered to the filter screen 4 can be shaken off, the function of cleaning the filter screen 4 is realized, the probability that the filter screen 4 is blocked is reduced, and the, when the branch pipe 3 moves towards the direction close to the second support plate 17, the two ball screw bearings 11 move towards the direction close to each other through the connecting rod 10, so that the screw rod 12 rotates, the two sliding blocks 13 are driven to move towards the direction close to each other, the two moving blocks 16 move towards the direction close to each other through the telescopic frame 15, the second support plate 17 is driven to move upwards, the radiating fins 18 are moved out from the strip-shaped openings, the first support plate 19 is driven to move upwards, the contact area of the air outside the main body 1 is increased, the heat inside the main body 1 can be better conducted into the air outside the main body 1 through the radiating fins 18, the radiating effect is improved, the electronic components are prevented from being damaged due to overheating inside the main body 1, the reliability of the device is improved, when the radiating work is not performed, the branch pipe 3 moves towards the direction away from the second support plate 17, thereby make lead screw 12 antiport for second extension board 17 moves down, make radiating fin 18 withdraw the inside of main part 1, thereby reduced radiating fin 18 probability of damaging, prolonged radiating fin 18's life, can carry out cleaning to radiating fin 18 through the brush on the clean frame 20 simultaneously, make the dust can not be brought into the inside of main part 1, also can not cause the influence to radiating fin 18's radiating effect, thereby improve equipment's practicality.
As shown in fig. 3-4, the protection mechanism includes a protection plate 27, a rotating shaft 24, a connecting block 25, a supporting rod 26, two second bearings and two connecting assemblies, the second bearings are fixed on one side of the main body 1 close to the lens 28, two ends of the rotating shaft 24 are respectively fixedly connected with inner rings of the two second bearings, the connecting block 25 is fixed on the rotating shaft 24, the supporting rod 26 is L-shaped, two ends of the supporting rod 26 are respectively fixedly connected with the connecting block 25 and the protection plate 27, the protection plate 27 abuts against the lens 28, two ends of the rotating shaft 24 are respectively connected with the two connecting assemblies, and the connecting assemblies are connected with the first supporting plate 19;
coupling assembling includes power rod 31, gear 23, rack 21 and two carriage release lever 22, one side that is close to camera lens 28 of main part 1 is equipped with four guide ways, carriage release lever 22 and guide way one-to-one, the one end setting of carriage release lever 22 is in the inside of guide way, the one end and the guide way matching of carriage release lever 22, the one end and the guide way sliding connection of carriage release lever 22, the guide way is the dovetail, two carriage release lever 22's the other end respectively with rack 21's both sides fixed connection, power rod 31's shape is L shape, power rod 31's both ends respectively with first supporting plate 19 and rack 21 fixed connection, gear 23 is fixed on pivot 24, gear 23 and rack 21 meshing.
When the first support plate 19 moves upwards, the rack 21 can be driven to move upwards through the power rod 31, the gear 23 rotates through the meshing of the rack 21 and the gear 23, the rotating shaft 24 is driven to rotate, the connecting block 25 rotates, the protection plate 27 is driven to rotate towards the direction far away from the lens 28 through the supporting rod 26, the lens 28 is exposed, the projection work is facilitated, after the projection is completed, the heat dissipation work is not performed any more, the first support plate 19 moves downwards, the rack 21 moves downwards, the rotating shaft 24 rotates reversely, the protection plate 27 rotates towards the direction close to the lens 28, the protection plate 27 shields the lens 28, the lens 28 is prevented from being exposed, the probability that the lens 28 is scratched is reduced, the effect of projection is prevented from being influenced, and the reliability of the device is improved.
Preferably, in order to make the gear 23 smoothly rotate, the gear 23 is coated with grease to reduce the friction between the gear 23 and the rack 21, thereby making the gear 23 more smoothly rotate.
Preferably, in order to prevent the lead screw 12 from being corroded, the lead screw 12 is coated with an anti-corrosion zinc coating.
Preferably, in order to improve the sealing performance, the inner wall of the circular hole is coated with sealing grease, so that a gap between the periphery of the branch pipe 3 and the inner wall of the circular hole is reduced, external air cannot directly enter the inside of the main body 1 through the gap, the probability of dust entering the inside of the main body 1 is reduced, and damage to normal operation of electronic elements inside the main body 1 is avoided.
Preferably, in order to avoid scratching the heat dissipation fins 18, the inner wall of the strip-shaped opening is a mirror surface, so that the friction force generated when the heat dissipation fins 18 move in the strip-shaped opening is reduced, the heat dissipation fins 18 cannot be scratched by the inner wall of the strip-shaped opening, and the probability of damage to the heat dissipation fins 18 is reduced.
Preferably, the cross-sectional shape of the through-hole is square in order to limit the moving direction of the stopper rod 6.
Through setting the through-hole to the quad slit for the gag lever post 6 can not take place to rotate when removing along the through-hole, thereby has restricted leading to the moving direction who divides pipe 3, makes leading to divide pipe 3 to remove stably, also can restrict ball bearing 11's moving direction simultaneously, can not take place to rotate when making ball bearing 11 remove along lead screw 12, thereby has improved the stability of equipment.
Preferably, in order to improve the heat dissipation effect, the inner wall of the main body 1 is coated with heat conductive silica gel.
Preferably, the periphery of the main body 1 is coated with a waterproof coating for the purpose of waterproofing, so that the possibility of the main body 1 being corroded by water is reduced, the possibility of the main body 1 being damaged is reduced, and the service life of the main body 1 is prolonged.
Preferably, in order to operate the device, a plurality of keys 30 are arranged above the main body 1, and the keys 30 are electrically connected with the PLC.
Through setting up different button 30, can control equipment carry out projection work to the intelligent degree of equipment has been improved.
Preferably, a photovoltaic panel 29 is fixed above the first strip 19 in order to perform a function of solar power generation.
Through setting up photovoltaic board 29, can carry out solar light power generation's work to can provide the electric energy for equipment, reduce the use of electric energy, more energy-concerving and environment-protective.
When the heat dissipation work is carried out, the fan 5 is started, so that the outside air enters the inside of the main body 1 through the through branch pipe 3, a force which is close to the fan 5 is given to the filter screen 4, the through branch pipe 3 is driven to move along the round hole, the through branch pipe 3 moves towards the direction which is close to the second support plate 17, meanwhile, the support rod 7 is driven to move along the groove through the limiting rod 6, the compression spring 8 is compressed, when the heat dissipation is stopped, the fan 5 stops working, the force which is given to the filter screen 4 is reduced, the support rod 7 moves towards the direction which is far away from the main body 1 under the action of the restoring force of the spring 8, the through branch pipe is driven to move through the limiting rod 6, the filter screen 4 moves, the filter screen 4 shakes, the dust adhered to the filter screen 4 can be shaken off, the function of cleaning the filter screen 4 is realized, the probability that the filter screen 4 is blocked is reduced, and the, when the branch pipe 3 moves towards the direction close to the second support plate 17, the two ball screw bearings 11 move towards the direction close to each other through the connecting rod 10, so that the screw rod 12 rotates, the two sliding blocks 13 are driven to move towards the direction close to each other, the two moving blocks 16 move towards the direction close to each other through the telescopic frame 15, the second support plate 17 is driven to move upwards, the radiating fins 18 are moved out from the strip-shaped openings, the first support plate 19 is driven to move upwards, the contact area of the air outside the main body 1 is increased, the heat inside the main body 1 can be better conducted into the air outside the main body 1 through the radiating fins 18, the radiating effect is improved, the electronic components are prevented from being damaged due to overheating inside the main body 1, the reliability of the device is improved, when the radiating work is not performed, the branch pipe 3 moves towards the direction away from the second support plate 17, thereby make lead screw 12 antiport for second extension board 17 moves down, make radiating fin 18 withdraw the inside of main part 1, thereby reduced radiating fin 18 probability of damaging, prolonged radiating fin 18's life, can carry out cleaning to radiating fin 18 through the brush on the clean frame 20 simultaneously, make the dust can not be brought into the inside of main part 1, also can not cause the influence to radiating fin 18's radiating effect, thereby improve equipment's practicality. When the first support plate 19 moves upwards, the rack 21 can be driven to move upwards through the power rod 31, the gear 23 rotates through the meshing of the rack 21 and the gear 23, the rotating shaft 24 is driven to rotate, the connecting block 25 rotates, the protection plate 27 is driven to rotate towards the direction far away from the lens 28 through the supporting rod 26, the lens 28 is exposed, the projection work is facilitated, after the projection is completed, the heat dissipation work is not performed any more, the first support plate 19 moves downwards, the rack 21 moves downwards, the rotating shaft 24 rotates reversely, the protection plate 27 rotates towards the direction close to the lens 28, the protection plate 27 shields the lens 28, the lens 28 is prevented from being exposed, the probability that the lens 28 is scratched is reduced, the effect of projection is prevented from being influenced, and the reliability of the device is improved.
Compared with the prior art, the projector with the anti-blocking function realizes the function of cleaning the filter screen 4 through the anti-blocking mechanism, reduces the probability of blocking the filter screen 4, prevents the influence on the heat dissipation work, and improves the reliability of the equipment, compared with the prior anti-blocking mechanism, the anti-blocking mechanism can also increase the heat dissipation area during heat dissipation, improves the heat dissipation effect, can put the heat dissipation fins 18 into the main body 1 when the heat is not dissipated, reduces the probability of damaging the heat dissipation fins 18, can clean the heat dissipation fins 18, prevents dust from being brought into the main body 1, and does not influence the heat dissipation effect of the heat dissipation fins 18, thereby improving the practicability of the equipment, realizes the function of blocking the lens 28 through the protection mechanism, reduces the probability of scratching the lens 28, prevents the influence on the projection effect, and improves the reliability of the equipment, compared with the existing protection mechanism, the integrated linkage mechanism of the protection mechanism and the anti-blocking mechanism does not need a driving source added in addition, is convenient to operate and has higher practicability.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. A projector with an anti-blocking function comprises a main body (1), a lens (28) and four supporting blocks (2), wherein the four supporting blocks (2) are respectively fixed at four corners below the main body (1), the lens (28) is arranged at one side of the main body (1), and a PLC is arranged inside the main body (1), and the projector is characterized by further comprising an anti-blocking mechanism and a protection mechanism, wherein the anti-blocking mechanism is arranged inside the main body (1), the protection mechanism is arranged at one side, close to the lens (28), of the main body (1), and the anti-blocking mechanism is connected with the protection mechanism;
the anti-blocking mechanism comprises a heat dissipation assembly and two auxiliary assemblies, round holes are formed in two sides, adjacent to the lens (28), of the main body (1), the round holes correspond to the auxiliary assemblies one by one, the heat dissipation assembly is arranged inside the main body (1), the auxiliary assemblies are connected with the heat dissipation assembly, and the heat dissipation assembly is connected with the protection mechanism;
the auxiliary assembly comprises a through branch pipe (3), a fan (5), a filter screen (4), a connecting rod (10) and two limiting units, one end of the through branch pipe (3) is connected with the limiting unit, the other end of the through branch pipe (3) passes through the round hole to be fixedly connected with one end of the connecting rod (10), the other end of the connecting rod (10) is connected with the heat dissipation component, the periphery of the through branch pipe (3) is in sealed sliding connection with the inner wall of the round hole, the periphery of the filter screen (4) is fixedly connected with the inner wall of the through branch pipe (3), the fan (5) is fixed inside the through branch pipe (3), the fan (5) is arranged on one side of the filter screen (4) close to the heat dissipation assembly, the limiting units are arranged on one side, close to the round hole, of the main body (1), the two limiting units are symmetrically arranged around the axis of the through branch pipe (3), and the fan (5) is electrically connected with the PLC;
the limiting unit comprises a limiting rod (6), a limiting frame (9), a spring (8) and a supporting rod (7), wherein the limiting frame (9) is in a shape of a circle, one side of the limiting frame (9) is fixedly connected with one side, close to a round hole, of the main body (1), the other side of the limiting frame (9) is provided with a through hole, the limiting rod (6) is in an L shape, one end of the limiting rod (6) is fixedly connected with the periphery of one end, far away from the fan (5), of the main body (1) and communicated with the branch pipe (3), the other end of the limiting rod (6) penetrates through holes and is fixedly connected with the center of one side of the supporting rod (7), the top and the bottom in the limiting frame (9) are provided with grooves, the two ends of the supporting rod (7) are respectively arranged in the two grooves, the supporting rod (7) is connected with the grooves in a sliding mode, the supporting rod (7) is matched with the grooves, and the two ends of the spring (8) are respectively matched with the other side of the 1) The inner wall of one side of the connecting rod is connected;
the heat dissipation assembly comprises a telescopic frame (15), a first support plate (19), a second support plate (17), two moving blocks (16), two sliding blocks (13), two guide rods (14), two driving units, a plurality of heat dissipation fins (18) and a plurality of cleaning frames (20), wherein the two driving units are respectively arranged on the inner walls of the two sides of the main body (1), the driving units are in one-to-one correspondence with the connecting rods (10), the driving units are connected with one ends, far away from the branch pipes (3), of the connecting rods (10), the sliding blocks (13) are in one-to-one correspondence with the driving units, the driving units are connected with the sliding blocks (13), the sliding blocks (13) are in one-to-one correspondence with the guide rods (14), sliding grooves are formed in the bottom in the main body (1), one ends of the guide rods (14) are fixedly connected with the sliding blocks (13), and the other ends of the guide rods (14) are, the guide rod (14) is matched with the sliding groove, two sides of one end of the telescopic frame (15) are respectively hinged with the two sliding blocks (13), two sides of the other end of the telescopic frame (15) are respectively hinged with one side of the two moving blocks (16), the second support plate (17) is horizontally arranged in the main body (1), a strip-shaped groove is arranged below the second support plate (17), the other side of the moving block (16) is arranged in the strip-shaped groove, the moving blocks (16) are matched with the strip-shaped groove, the strip-shaped groove is a dovetail groove, the radiating fins (18) are uniformly fixed above the second support plate (17), a plurality of strip-shaped openings are formed above the main body (1), the number of the radiating fins (18) is equal to that of the strip-shaped openings, the radiating fins (18) correspond to the strip-shaped openings one to one, and the other ends of the radiating fins (18) penetrate through the strip-shaped openings and are fixedly connected with the first support plate (, the number of the radiating fins (18) is equal to that of the cleaning frames (20), the radiating fins (18) correspond to the cleaning frames (20) one by one, the cleaning frames (20) are fixed above the main body (1), the cleaning frames (20) are in a shape of a square-circle, the cleaning frames (20) are sleeved on the radiating fins (18), the first support plate (19) abuts against the upper side of the cleaning frames (20), brushes are uniformly fixed on the inner wall of one side, close to the radiating fins (18), of the cleaning frames (20), the brushes abut against the radiating fins (18), and the first support plate (19) is connected with the protection mechanism;
the driving unit comprises first bearings, a screw rod (12) and ball screw bearings (11), the two first bearings are respectively fixed on the inner walls of the two sides of the main body (1), one end of the screw rod (12) is fixedly connected with the inner ring of the first bearings, the other ends of the two screw rods (12) are mutually fixedly connected, the ball screw bearings (11) are sleeved on the screw rod (12), threads matched with the screw rod (12) are arranged at the joint of the ball screw bearings (11) and the screw rod (12), a connecting rod (10) is fixedly connected with the outer rings of the ball screw bearings (11), the sliding block (13) is sleeved on the screw rod (12), and threads matched with the screw rod (12) are arranged at the joint of the sliding block (13) and the screw rod (12);
the protection mechanism comprises a protection plate (27), a rotating shaft (24), a connecting block (25), a supporting rod (26), two second bearings and two connecting assemblies, wherein the second bearings are fixed on one side, close to a lens (28), of the main body (1), two ends of the rotating shaft (24) are fixedly connected with inner rings of the two second bearings respectively, the connecting block (25) is fixed on the rotating shaft (24), the supporting rod (26) is L-shaped, two ends of the supporting rod (26) are fixedly connected with the connecting block (25) and the protection plate (27) respectively, the protection plate (27) abuts against the lens (28), two ends of the rotating shaft (24) are connected with the two connecting assemblies respectively, and the connecting assemblies are connected with the first supporting plate (19);
the connecting component comprises a power rod (31), a gear (23), a rack (21) and two moving rods (22), one side of the main body (1) close to the lens (28) is provided with four guide grooves, the movable rods (22) correspond to the guide grooves one by one, one end of the moving rod (22) is arranged in the guide groove, one end of the moving rod (22) is matched with the guide groove, one end of each moving rod (22) is connected with the guide groove in a sliding way, the guide groove is a dovetail groove, the other ends of the two moving rods (22) are respectively fixedly connected with the two sides of the rack (21), the power rod (31) is L-shaped, two ends of the power rod (31) are respectively fixedly connected with the first support plate (19) and the rack (21), the gear (23) is fixed on the rotating shaft (24), and the gear (23) is meshed with the rack (21).
2. The projector with the function of preventing clogging according to claim 1, wherein said gear (23) is coated with grease.
3. The projector with the function of preventing clogging according to claim 1, wherein said screw rod (12) is coated with an anti-corrosion zinc coating.
4. The projector with the function of preventing clogging according to claim 1, wherein a sealing grease is applied to an inner wall of said circular hole.
5. The projector with the function of preventing clogging according to claim 1, wherein an inner wall of said strip-shaped opening is a mirror surface.
6. The projector with the function of preventing clogging according to claim 1, wherein the cross-sectional shape of said through hole is a square.
7. The projector with the function of preventing blockage according to claim 1, characterized in that the inner wall of the main body (1) is coated with heat conductive silicone.
8. The projector with the function of preventing clogging according to claim 1, wherein the outer periphery of said main body (1) is coated with a waterproof coating.
9. The projector with the anti-clogging function as claimed in claim 1, wherein a plurality of keys (30) are arranged above the main body (1), and the keys (30) are electrically connected with the PLC.
10. The projector with the function of preventing blocking according to claim 1, characterized in that a photovoltaic panel (29) is fixed above said first support plate (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011428402.3A CN112631047A (en) | 2020-12-07 | 2020-12-07 | Projector with anti-blocking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011428402.3A CN112631047A (en) | 2020-12-07 | 2020-12-07 | Projector with anti-blocking function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112631047A true CN112631047A (en) | 2021-04-09 |
Family
ID=75308849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011428402.3A Withdrawn CN112631047A (en) | 2020-12-07 | 2020-12-07 | Projector with anti-blocking function |
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| Country | Link |
|---|---|
| CN (1) | CN112631047A (en) |
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| CN113477568A (en) * | 2021-07-07 | 2021-10-08 | 研华科技(中国)有限公司 | Convenient cleaning device and cleaning method for industrial control machine |
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| CN110580422A (en) * | 2019-09-09 | 2019-12-17 | 南京思达捷信息科技有限公司 | RFID handheld terminal device |
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Application publication date: 20210409 |