CN114694530B - Outdoor liquid crystal display advertising machine based on forced air cooling and TEC heat dissipation - Google Patents
Outdoor liquid crystal display advertising machine based on forced air cooling and TEC heat dissipation Download PDFInfo
- Publication number
- CN114694530B CN114694530B CN202210406072.0A CN202210406072A CN114694530B CN 114694530 B CN114694530 B CN 114694530B CN 202210406072 A CN202210406072 A CN 202210406072A CN 114694530 B CN114694530 B CN 114694530B
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- air
- tec
- liquid crystal
- crystal display
- heat dissipation
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 44
- 230000017525 heat dissipation Effects 0.000 title claims abstract description 42
- 238000001816 cooling Methods 0.000 title claims abstract description 40
- 238000004519 manufacturing process Methods 0.000 claims abstract description 5
- 238000007664 blowing Methods 0.000 claims description 54
- 238000007789 sealing Methods 0.000 claims description 18
- 238000005192 partition Methods 0.000 claims description 12
- 238000009423 ventilation Methods 0.000 claims description 12
- 238000001914 filtration Methods 0.000 claims description 9
- 239000002274 desiccant Substances 0.000 claims description 7
- 238000000605 extraction Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- 239000003292 glue Substances 0.000 claims 1
- 239000003570 air Substances 0.000 abstract description 172
- 230000000694 effects Effects 0.000 abstract description 7
- 239000012080 ambient air Substances 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 description 12
- 238000010586 diagram Methods 0.000 description 12
- 238000001514 detection method Methods 0.000 description 5
- 239000000428 dust Substances 0.000 description 5
- 230000002159 abnormal effect Effects 0.000 description 3
- 238000005086 pumping Methods 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/35—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being liquid crystals
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
- B01D53/261—Drying gases or vapours by adsorption
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20954—Modifications to facilitate cooling, ventilating, or heating for display panels
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20954—Modifications to facilitate cooling, ventilating, or heating for display panels
- H05K7/20972—Forced ventilation, e.g. on heat dissipaters coupled to components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/80—Water
Abstract
The invention provides an outdoor liquid crystal display advertising machine based on air cooling and TEC heat dissipation, which comprises a shell, wherein a first chamber for accommodating an electronic device and a second chamber for providing cold air for the first chamber are arranged in the shell, and a heat dissipation device for manufacturing the cold air is arranged in the second chamber. Manufacturing cold air through the heat abstractor in the second cavity to provide cold air for first cavity, be used for dispelling the heat to the electronic device in the first cavity, heat abstractor can cool down the outside ambient air and carry again to in the first cavity, has solved the problem that air-cooled heat dissipation advertisement machine can not use under high temperature ambient temperature among the prior art, improves the radiating effect.
Description
Technical Field
The invention belongs to the technical field of advertising machines, and particularly relates to an outdoor liquid crystal display advertising machine based on air cooling and TEC heat dissipation.
Background
In order to make commodities more and more familiar, a large amount of advertisements need to be thrown, and particularly in the environment of outdoor squares, a large amount of advertisements can be circularly broadcast through an advertisement machine; in the prior art, an outdoor liquid crystal display advertising machine air cooling heat dissipation mode is a main stream heat dissipation mode, but the air cooling heat dissipation has requirements on an external temperature environment, generally works at an environment temperature below 45 ℃ and cannot meet the application under a high-temperature environment condition, and the excessively high environment temperature can cause the excessively high internal temperature of the advertising machine to influence the stable work of electronic parts. Therefore, we propose an outdoor liquid crystal display advertising machine based on air cooling and TEC heat dissipation.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides an outdoor liquid crystal display advertising machine based on air cooling and TEC heat dissipation.
The technical scheme of the invention is realized as follows:
the utility model provides an outdoor LCD advertisement machine based on forced air cooling and TEC heat dissipation, includes the casing, be equipped with in the casing and be used for holding electronic device's first cavity to and provide cold wind second cavity in the first cavity, be equipped with the heat abstractor who is used for making cold wind in the second cavity.
Preferably, the electronic device comprises a liquid crystal display screen and an electric control box, the liquid crystal display screen divides the first cavity into a front area and a rear area, the electric control box is arranged in the rear area, and the second cavity is used for providing cold air for heat dissipation to the front area and the rear area respectively.
Preferably, a wind guiding area is arranged between the first chamber and the second chamber, a rear screen fan is arranged on the mounting plate arranged between the wind guiding area and the rear screen area, an air supply fan is arranged on the partition plate arranged between the wind guiding area and the second chamber, and a front screen fan is arranged on the baffle plate arranged between the wind guiding area and the front screen area.
Preferably, the side of the front screen area away from the second chamber is communicated with the side of the rear screen area away from the second chamber, and an exhaust groove is formed in the side of the rear screen area away from the second chamber.
Preferably, the heat dissipating device comprises a mounting seat, a containing cavity is formed in the mounting seat, a TEC refrigerator is arranged in the containing cavity, an air inlet communicated with the containing cavity is formed in one end of the mounting seat, a TEC cold end fan is arranged in the air inlet, a vent corresponding to the air inlet is formed in one side of the second cavity, a vent groove is formed in one side, close to the air guide area, of the mounting seat, and the vent groove is arranged close to the TEC cold end fan;
an exhaust groove is formed in one side, far away from the vent hole, of the second cavity, an air outlet communicated with the accommodating cavity is formed in one side, close to the exhaust groove, of the mounting seat, and a TEC hot end fan is arranged in the air outlet;
a cold end radiator is arranged between the cold end of the TEC refrigerator and the TEC cold end fan, and a hot end radiator is arranged between the hot end of the TEC refrigerator and the TEC hot end fan.
Preferably, at least three first mounting grooves are formed in the partition board at equal intervals, the first mounting grooves penetrate through the partition board, and an air supply fan is arranged in each first mounting groove;
the baffle is characterized in that a U-shaped mounting frame is arranged on one side, close to the first cavity, of the baffle, two sides of the U-shaped mounting frame are fixed in the first cavity, a liquid crystal display screen is arranged on the U-shaped mounting frame, the part, located in the air guide area, of the U-shaped mounting frame is a baffle, a plurality of second mounting grooves are formed in the baffle at equal intervals, penetrate through the baffle, and a front screen fan is arranged in the second mounting grooves;
a plurality of third mounting grooves are formed in the mounting plate, and a rear screen fan is arranged in each third mounting groove.
Preferably, an annular groove is formed in the vent, and a filter mechanism is arranged in the annular groove;
the filter mechanism comprises an annular shell, and a filter element is arranged in the annular shell;
at least three magnets are equidistantly arranged on one side, close to the annular groove, of the annular shell, at least three arc-shaped grooves are equidistantly formed on one side, close to the annular shell, of the annular shell, the arc-shaped grooves correspond to the magnets, and the magnets are adsorbed in the arc-shaped grooves;
the outer side face of the annular shell is provided with a sealing ring, and the sealing ring is tightly contacted with the side wall of the annular groove.
Preferably, a through groove is formed in one side, far away from the liquid crystal display screen, of the air guide area, a storage box is arranged in the through groove in a sliding mode, the storage box is of a net-shaped structure, and a plurality of drying agents are arranged in the storage box.
Preferably, the bottom of the shell is provided with a base, the bottom of the base is provided with a sliding plate, four corners of the top of the sliding plate are provided with electric push rods, the tops of the electric push rods are arranged on the base, and four corners of the bottom of the sliding plate are provided with universal wheels;
the support frame is all installed to the bottom four corners department of base, and the support frame is outside slope setting, the bottom of support frame is equipped with the antiskid block, the antiskid block is made for anti-skidding rubber materials, and the antiskid block is glued in the bottom of support frame, and the antiskid block contacts with ground.
Preferably, an air inlet device is arranged in the accommodating cavity, the air inlet device comprises an air inlet cover, the air inlet cover is arranged between a TEC cold end fan and a cold end radiator, the TEC cold end fan blows air to one side of the cold end radiator through the air inlet cover, a sealing door is arranged on one side, close to the cold end radiator, of the air inlet cover, and the sealing door is controlled to be opened and closed through an electric control box;
one side of the cold end radiator is provided with a blowing component which blows air to one side of the ventilation groove;
the blowing assembly comprises a first blowing pipe, a second blowing pipe is rotationally connected to the first blowing pipe, a U-shaped air pipe is connected to the end portion, extending out of the first blowing pipe, of the second blowing pipe through a bearing, the two ends of the U-shaped air pipe extend to positions close to the top of the first cavity, a plurality of turntables which are coaxially arranged on the outer side of the second blowing pipe are arranged on the tangential direction of the first blowing pipe, an air extraction part is arranged on the tangential direction of the first blowing pipe and communicated with an air inlet cover through a connecting pipe, a plurality of blades are arranged on the inner wall of one end, close to the U-shaped air pipe, of the second blowing pipe, and air flow conveyed to the first blowing pipe by the air inlet cover flows in a spiral mode along the inner wall of the first blowing pipe.
Compared with the prior art, the invention at least comprises the following beneficial effects:
the air that can carry TEC cold junction fan through the TEC refrigerator carries out cooling, the air after the cooling carries the casing top through the air supply fan again, afterwards carry the liquid crystal display screen the place ahead with low temperature air through the fan before the screen, cool off liquid crystal display screen the place ahead, the fan carries the liquid crystal display screen rear and automatically controlled box department with low temperature air after the rethread screen, cool off liquid crystal display screen rear and automatically controlled box, the casing is discharged through the exhaust duct to the high temperature air after the cooling, improve cooling radiating effect, the rethread filtering mechanism can filter the dust in the air and carry the casing through TEC cold junction fan after the dust filtration, thereby can avoid the interior components and parts surface adhesion dust of casing, improve dustproof effect, when using, the breakwater shields external rainwater, the rethread drier can be to the inside drying treatment of casing, avoid the component to wet in the casing to break down, when needs remove, can control the sliding plate through electric putter and remove, make brake universal wheel and ground contact, thereby the removal degree of difficulty can be reduced, it is comparatively convenient to remove.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic diagram of an internal side view structure of an outdoor LCD advertisement machine based on air cooling and TEC heat dissipation;
FIG. 2 is a schematic diagram of an internal rear view structure of an outdoor LCD advertisement player based on air cooling and TEC heat dissipation;
FIG. 3 is a schematic diagram of a mounting seat structure of an outdoor LCD advertisement player based on air cooling and TEC heat dissipation;
FIG. 4 is a schematic diagram of an outdoor LCD advertisement machine based on air cooling and TEC heat dissipation;
FIG. 5 is a schematic diagram of a structure of a storage box of an outdoor LCD advertisement player based on air cooling and TEC heat dissipation;
FIG. 6 is a schematic diagram of a base structure of an outdoor LCD advertising machine based on air cooling and TEC heat dissipation;
FIG. 7 is a schematic diagram of a filtering mechanism of an outdoor LCD advertising machine based on air cooling and TEC heat dissipation;
FIG. 8 is a schematic diagram of an extension structure of a U-shaped air duct of an outdoor LCD advertisement player based on air cooling and TEC heat dissipation;
FIG. 9 is a schematic structural diagram of an air intake device of an outdoor LCD advertising machine based on air cooling and TEC heat dissipation;
FIG. 10 is a schematic diagram of a blower assembly of an outdoor LCD advertising machine based on air cooling and TEC heat dissipation;
FIG. 11 is a schematic diagram of a blower assembly of an outdoor LCD advertising machine based on air cooling and TEC heat dissipation;
fig. 12 is a schematic diagram of a partially cross-sectional structure of a blower assembly of an outdoor lcd advertising machine based on air cooling and TEC heat dissipation according to the present invention.
In the figure: 1. a housing; 2. a mounting base; 3. a receiving chamber; 4. a TEC refrigerator; 5. an air inlet; 6. TEC cold end fan; 7. a vent; 8. a vent groove; 9. an exhaust groove; 10. an air outlet; 11. TEC hot end fan; 12. a seal ring; 13. a first chamber; 14. a second chamber; 15. a partition plate; 16. a first mounting groove; 17. an air supply fan; 18. u-shaped mounting rack; 19. a liquid crystal display; 20. a second mounting groove; 21. a front fan; 22. a mounting plate 23; a third mounting groove; 24. a rear screen fan; 25. an electric control box; 26. an exhaust groove; 27. a water baffle; 28. a through groove; 29. a storage box; 30. a drying agent; 31. a base; 32. a sliding plate; 33. an electric push rod; 34. a universal wheel; 35. a support frame; 36. an anti-skid block; 37. an annular groove; 38. an annular housing; 39. a filter element; 40. a magnet; 41. an arc-shaped groove; 42. an air inlet cover; 43. a first blowpipe; 44. a second blowpipe; 45. u-shaped air pipes; 46. a turntable; 47. an air extraction part; 48. a connecting pipe; 49. and (3) a blade.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-12, the present invention provides a technical solution: the outdoor liquid crystal display advertising machine based on air cooling and TEC heat dissipation comprises a shell 1, wherein a first chamber 13 for accommodating an electronic device and a second chamber 14 for providing cold air to the first chamber 13 are arranged in the shell 1, and a heat dissipation device for manufacturing the cold air is arranged in the second chamber 14.
The working principle and the beneficial effects of the technical scheme are as follows: the cooling device in the second chamber 14 is used for manufacturing cold air and providing the cold air for the first chamber 13 for cooling the electronic device in the first chamber 13, and the cooling device can cool external ambient air and then convey the cooled external ambient air into the first chamber 13, so that the problem that the air-cooled cooling advertising machine cannot be used at high temperature in the prior art is solved.
In one embodiment, the electronic device includes a liquid crystal display 19 and an electric control box 25, the liquid crystal display 19 divides the first chamber 13 into a front area and a rear area, the electric control box 25 is disposed in the rear area, and the second chamber 14 provides cold air for heat dissipation to the front area and the rear area, respectively.
The working principle and the beneficial effects of the technical scheme are as follows: cold air manufactured by the heat radiating device can be respectively conveyed to the front screen area and the rear screen area, the liquid crystal display 19 and the electric control box 25 are respectively radiated by the cold air dispersibility, and the radiating effect is improved.
In one embodiment, a wind guiding area is arranged between the first chamber 13 and the second chamber 14, a rear screen fan 24 is arranged on a mounting plate 22 arranged between the wind guiding area and the rear screen area, an air supply fan 17 is arranged on a partition plate 15 arranged between the wind guiding area and the second chamber 14, and a front screen fan 21 is arranged on a baffle plate arranged between the wind guiding area and the front screen area.
The working principle and the beneficial effects of the technical scheme are as follows: cold air manufactured by the heat radiating device is firstly conveyed into the air guiding area through the air supply fan 17, then cold air in the air guiding area is conveyed into the rear area of the screen through the rear fan 24 to radiate heat for the rear side of the electric control box 25 and the liquid crystal display screen 19, and meanwhile, cold air in the air guiding area is conveyed into the front area of the screen through the front fan 21 to radiate heat for the front side of the liquid crystal display screen 19; can carry cold air to regional and the region behind the screen before the screen respectively through the wind-guiding district for carry out make full use of to cold air, improve cold air and carry the homogeneity, further promote the radiating effect.
In one embodiment, the side of the pre-screen area remote from the second chamber 14 communicates with the side of the post-screen area remote from the second chamber 14, and the side of the post-screen area remote from the second chamber 14 is provided with a vent slot 26.
The working principle and the beneficial effects of the technical scheme are as follows: after passing through the front screen area and the rear screen area, the cold air takes away the heat on the liquid crystal display screen 19 and the electric control box 25, and then is discharged from the exhaust groove 26; the exhaust groove 26 top is equipped with the breakwater 27, and the breakwater 27 is the slope setting, and the one end that breakwater 27 is close to casing 1 is fixed on casing 1, can block the rainwater when raining through breakwater 27, avoids the rainwater to fall into inside casing 1 to avoid damaging the components and parts in the casing 1.
In one embodiment, the heat dissipating device comprises a mounting seat 2, a containing cavity 3 is formed in the mounting seat 2, a TEC refrigerator 4 is arranged in the containing cavity 3, an air inlet 5 communicated with the containing cavity 3 is formed in one end of the mounting seat 2, a TEC cold end fan 6 is arranged in the air inlet 5, a ventilation opening 7 corresponding to the air inlet 5 is formed in one side of the second chamber 14, a ventilation groove 8 is formed in one side, close to the air guide area, of the mounting seat 2, and the ventilation groove 8 is arranged close to the TEC cold end fan 6;
an exhaust groove 9 is formed in one side, far away from the ventilation opening 7, of the second chamber 14, an air outlet 10 communicated with the accommodating cavity 3 is formed in one side, close to the exhaust groove 9, of the mounting seat 2, and a TEC hot end fan 11 is arranged in the air outlet 10;
a cold end radiator is arranged between the cold end of the TEC refrigerator 4 and the TEC cold end fan 6, and a hot end radiator is arranged between the hot end of the TEC refrigerator 4 and the TEC hot end fan 11.
The working principle and the beneficial effects of the technical scheme are as follows: the TEC refrigerator 4 has a cold end and a hot end, the hot end discharges the generated heat to the outside of the advertisement machine from the exhaust slot 9 through the hot end radiator and the TEC hot end fan 11, the TEC cold end fan 6 at the cold end guides the outside air from the vent 7 to the cold end radiator, the air is cooled and cooled at the cold end, and then is conveyed into the first chamber 13 through the vent slot 8 to cool the front and rear sides of the liquid crystal display 19 and the electric control box 25, and the cooled high-temperature gas is discharged through the exhaust slot 26.
In one embodiment, at least three first mounting grooves 16 are equidistantly formed on the partition plate 15, the first mounting grooves 16 penetrate through the partition plate 15, and an air supply fan 17 is arranged in the first mounting grooves 16;
a U-shaped mounting frame 18 is arranged on one side, close to the first cavity 13, of the partition plate 15, two sides of the U-shaped mounting frame 18 are both fixed in the first cavity 13, a liquid crystal display 19 is arranged on the U-shaped mounting frame 18, the part, located in the air guide area, of the U-shaped mounting frame 18 is a baffle, a plurality of second mounting grooves 20 are formed in the baffle at equal intervals, the second mounting grooves 20 penetrate through the baffle, and a screen front fan 21 is arranged in the second mounting grooves 20;
the mounting plate 22 is provided with a plurality of third mounting grooves 23, and a rear screen fan 24 is arranged in the third mounting grooves 23.
The working principle and the beneficial effects of the technical scheme are as follows: both sides of the U-shaped mounting frame 18 are fixed on the shell 1, the liquid crystal display 19 is fixed on the U-shaped mounting frame 18, the partition plate 15, the baffle plate and the mounting plate 22 form an air guide area, and the air supply fan 17, the front screen fan 21 and the rear screen fan 24 are used for conveying cooled air.
In one embodiment, an annular groove 37 is formed in the vent 7, and a filtering mechanism is arranged in the annular groove 37;
the filtering mechanism comprises an annular shell 38, and a filter element 39 is arranged in the annular shell 38;
at least three magnets 40 are equidistantly arranged on one side of the annular housing 38, which is close to the annular housing 37, at least three arc-shaped grooves 41 are equidistantly arranged on one side of the annular housing 37, which is close to the annular housing 38, the arc-shaped grooves 41 correspond to the magnets 40, and the magnets 40 are adsorbed in the arc-shaped grooves 41;
the outer side of the annular housing 38 is provided with a sealing ring 12, the sealing ring 12 being in close contact with the side wall of the annular groove 37.
The working principle and the beneficial effects of the technical scheme are as follows: an annular groove 37 is formed in the vent 7, a filtering mechanism is arranged in the annular groove 37, the filtering mechanism comprises an annular shell 38, a filter element 39 is arranged in the annular shell 38, air can be filtered through the filter element 39, dust in the air is filtered, and the dust is prevented from adhering to components in the shell 1 in the cooling process;
at least three magnets 40 are equidistantly arranged on one side of the annular housing 38, which is close to the annular housing 37, at least three arc-shaped grooves 41 are equidistantly arranged on one side of the annular housing 37, which is close to the annular housing 38, the arc-shaped grooves 41 correspond to the magnets 40, the magnets 40 are adsorbed in the arc-shaped grooves 41, and the annular housing 38 can be fixed in the annular housing 37 through the matching of the magnets 40 and the arc-shaped grooves 41, so that the fixation is convenient;
the outside side of annular shell 38 is installed sealing ring 12, and sealing ring 12 in close contact with the lateral wall of ring channel 37, through sealing ring 12 can seal the clearance between annular shell 38 and the ring channel 37, improves the filter effect.
In one embodiment, a through groove 28 is provided on a side of the air guiding area far away from the liquid crystal display 19, a storage box 29 is slidably provided in the through groove 28, the storage box 29 is of a net structure, and a plurality of drying agents 30 are disposed in the storage box.
The working principle and the beneficial effects of the technical scheme are as follows: the storage box 29 is in sliding connection with the through groove 28, and the storage box 29 can be pulled out to replace the drying agent 30; when the air conditioner is used, the TEC cold end fan 6 is controlled to work, the TEC cold end fan 6 filters external air and then sucks the air into the mounting seat 2 through the vent 7, the air is cooled by the TEC refrigerator 4 in the accommodating cavity 3 and then is discharged through the vent groove 8, the air supply fan 17 conveys the cooled air to the upper part of the shell 1, the air is dried by the drying agent 30 and then conveys a part of the air to the front of the liquid crystal display 19 through the front-screen fan 21, the front of the liquid crystal display 19 is cooled, the rest of the air is conveyed to the rear of the liquid crystal display 19 through the rear-screen fan 24, the rear of the liquid crystal display 19 and the electric control box 25 are cooled, and the cooled high-temperature air is discharged through the vent groove 26; moisture in the shell 1 can be adsorbed cleanly through the drying agent 30, so that the interior of the shell 1 is kept dry, and components are prevented from being damaged by moisture.
In one embodiment, as shown in fig. 3, a base 31 is installed at the bottom of the casing 1, a sliding plate 32 is arranged at the bottom of the base 31, electric push rods 33 are installed at four corners of the top of the sliding plate 32, the top of the electric push rods 33 is installed on the base 31, and universal wheels 34 are installed at four corners of the bottom of the sliding plate 32;
the four corners of the bottom of the base 31 are provided with supporting frames 35, the supporting frames 35 are arranged in an outward inclined way, and the distance between the bottom ends is larger than the distance between the top ends;
the bottom of the support 35 is provided with an anti-skid block 36, the anti-skid block 36 is made of an anti-skid rubber material, the anti-skid block 36 is glued at the bottom of the support 35, and the anti-skid block 36 is contacted with the ground.
The working principle and the beneficial effects of the technical scheme are as follows: the sliding plate 32 can be pushed to move through the electric push rod 33, so that the universal wheel 34 is in contact with the ground, the universal wheel is convenient to move, the base 31 and the shell 1 can be supported through the supporting frame 35, the stability of the shell 1 is improved, the friction force between the supporting frame 35 and the ground can be increased through the anti-skid block 36, and the supporting stability is further improved.
In one embodiment, an air inlet device is arranged in the accommodating cavity 3, the air inlet device comprises an air inlet cover 42, the air inlet cover 42 is arranged between the TEC cold end fan 6 and the cold end radiator, the TEC cold end fan 6 blows air to one side of the cold end radiator through the air inlet cover 42, a sealing door is arranged at one side, close to the cold end radiator, of the air inlet cover 42, and the opening and the closing of the sealing door are controlled through the electric control box 25;
a blowing component is arranged on one side of the cold-end radiator, and the blowing component blows air to one side of the ventilation groove 8;
the air blowing assembly comprises a first air blowing pipe 43, a second air blowing pipe 44 is rotationally connected to the first air blowing pipe 43, a U-shaped air pipe 45 is connected to the end portion, which is arranged by extending out of the first air blowing pipe 43, of the second air blowing pipe 44 through a bearing, two ends of the U-shaped air pipe 45 extend to a position close to the top of the first cavity 13, a plurality of turntables 46 which are coaxially arranged with the second air blowing pipe 44 are arranged on the outer side of the second air blowing pipe 44, an air exhausting portion 47 is arranged on the tangential direction of the first air blowing pipe 43, the air exhausting portion 47 is communicated with an air inlet cover 42 through a connecting pipe 48, a plurality of blades 49 are arranged on the inner wall of one end, which is close to the U-shaped air blowing pipe 45, of the second air blowing pipe 44, and air flow conveyed to the first air blowing pipe 43 by the air inlet cover 42 flows in a spiral mode along the inner wall of the first air blowing pipe 43.
The working principle and the beneficial effects of the technical scheme are as follows: a first temperature sensor is arranged at the top of the first chamber 13, a second temperature sensor detector for detecting the ambient temperature is arranged outside the shell 1, the first temperature sensor and the second temperature sensor are in communication connection with the electric control box 25, when the second temperature sensor detects that the external ambient temperature is lower than the preset temperature, the electric control box 25 controls the sealing doors of the TEC cold end fan 6 and the air inlet cover 42 to be opened, at the moment, the air blowing component does not work, and ambient air is mainly sent to the cold end through the air inlet cover 42 by the TEC cold end fan 6 for cooling so as to dissipate heat; when the second temperature sensor detects that the external environment temperature is higher than the preset temperature, the electric control box 25 controls the sealing doors of the TEC cold end fan 6 and the air inlet cover 42 to be closed, the air blowing component to be controlled to start to work, external air is pumped into the air inlet cover 42 through the air inlet 5 by the air pumping part 47 and then enters the first blowing pipe 43 through the connecting pipe 48, the air pumping part 47 is arranged on the tangent line of the first blowing pipe 43, the entering air flow can spirally flow along the first blowing pipe 43, gaps between the inner wall of the first blowing pipe 43 and the rotary table 46 are smaller, the air flow can drive the rotary table 46 to rotate, the air flow spirally flows towards the cold end radiator and blows to the cold end radiator, the passing air is cooled by the cold end, the rotary table 46 is a disc-shaped rotor, the outer side of the rotary table is provided with a plurality of miniature fan blades, the rotary table can rotate under the driving of boundary air flow, simultaneously, the air flow can be guided to the cold end radiator, under the driving of the turntable 46, the second blowing pipe 44 rotates to drive the blades 49 to rotate, so that the side, close to the U-shaped pipe 45, of the second blowing pipe 44 forms negative pressure, the U-shaped pipe 45 pumps the air at the top of the first chamber 13 inwards, the air at the top of the first chamber 13 is the air for completing the heat dissipation of the liquid crystal display 19 and the electric control box 25, the preset temperature is the critical value of the air temperature at the top of the first chamber 13, namely, the air at the top of the first chamber 13 is utilized to enter the second blowing pipe 44 through the U-shaped pipe 45, then is blown to the cold end radiator from the second blowing pipe 44, the end, close to the cold end radiator, of the first blowing pipe 43 is longer than the length of the end, close to the cold end radiator, of the second blowing pipe 44, that is, the air flow directions in the two blowpipes are the same, and the air flows can be mixed in the end part of the first blowpipe 43 close to the cold end radiator, and meanwhile, the air flows towards the cold end radiator, so that the air temperature blown towards the cold end radiator can be reduced to be lower than the ambient temperature as much as possible through the air blowing component when the ambient temperature is higher than the air temperature at the top of the first chamber 13, the working power of the TEC refrigerator 4 can be reduced, the air flow strength blown towards the cold end radiator can be increased, the air flow in the shell 1 can be increased, the air temperature uniformity in the shell 1 is better, and the heat dissipation efficiency is improved.
In one embodiment, the device further comprises an anomaly detector for detecting whether temperature data measured by a temperature sensor for measuring an external environment temperature and a temperature in the first chamber are available, wherein the detection method comprises the following steps:
step 1, determining a normal value range of a temperature sensor;
step 2, judging whether temperature data of the temperature sensor are available or not by using an anomaly detector through the following formula:
wherein,alpha is the detection result of the abnormality detector on the temperature data measured by the temperature sensor at the time t j (t) is temperature data measured by a temperature sensor at the time t, alpha x And alpha s The lower limit and the upper limit of the normal value range of the temperature sensor are respectively;
step 3, judging whether the temperature data measured by the temperature sensor is available, if soThe value of (2) is atIn (2), the temperature data measured by the temperature sensor at time t is available, if the detection result is +.>The value of +.>The temperature data measured by the temperature sensor at the time t is abnormal, and the temperature sensor is required to detect the temperature again.
The working principle and the beneficial effects of the technical scheme are as follows: in the above formula, the temperature data alpha detected by the temperature sensor at time t j (t) is less than the lower limit alpha x When in use, thenIndicating that the temperature data is abnormal; temperature data alpha detected by temperature sensor at time t j (t) is equal to or greater than the lower limit alpha x When in use, then->The range of the detection result of the temperature data is shown, but the range does not represent the availability of the temperature data, but only the availability of the temperature data is shown, 1 is the highest availability, and 0 is the lowest availability, so 0.8 is used as a dividing line to judge whether the temperature data is available; the anomaly detector can detect the first temperature sensor and the second temperature sensor respectively, and perform anomaly judgment on temperature data measured by the temperature sensors each time, if the temperature data is abnormal, the temperature data is voided and is not transmitted to the electric control box 25 as temperature data, the temperature sensor is required to perform temperature detection again, if the temperature data is in a usable state, the temperature data can be transmitted to the electric control box 25 and is used for controlling the operation of the TEC cold end fan 6, the sealing door of the air inlet cover 42 and the air blowing component, so that the temperature measurement is more accurate, the air temperature blown to the cold end radiator is further ensured to be reduced as much as possible, the working power of the TEC refrigerator 4 is reduced, and the heat dissipation effect is improved.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. An outdoor liquid crystal display advertising machine based on air cooling and TEC heat dissipation is characterized by comprising a shell (1), wherein a first chamber (13) for accommodating an electronic device and a second chamber (14) for providing cold air into the first chamber (13) are arranged in the shell (1), and a heat dissipation device for manufacturing the cold air is arranged in the second chamber (14);
the heat dissipation device comprises a mounting seat (2), a containing cavity (3) is formed in the mounting seat (2), a TEC refrigerator (4) is arranged in the containing cavity (3), an air inlet (5) communicated with the containing cavity (3) is formed in one end of the mounting seat (2), a TEC cold end fan (6) is arranged in the air inlet (5), a ventilation opening (7) corresponding to the air inlet (5) is formed in one side of a second cavity (14), a ventilation groove (8) is formed in one side, close to an air guide area, of the mounting seat (2), and the ventilation groove (8) is arranged close to the TEC cold end fan (6);
an exhaust groove (9) is formed in one side, far away from the ventilation opening (7), of the second cavity (14), an air outlet (10) communicated with the accommodating cavity (3) is formed in one side, close to the exhaust groove (9), of the mounting seat (2), and a TEC hot end fan (11) is arranged in the air outlet (10);
a cold end radiator is arranged between the cold end of the TEC refrigerator (4) and the TEC cold end fan (6), and a hot end radiator is arranged between the hot end of the TEC refrigerator (4) and the TEC hot end fan (11);
an air inlet device is arranged in the accommodating cavity (3), the air inlet device comprises an air inlet cover (42), the air inlet cover (42) is arranged between the TEC cold end fan (6) and the cold end radiator, the TEC cold end fan (6) blows air to one side of the cold end radiator through the air inlet cover (42), a sealing door is arranged on one side, close to the cold end radiator, of the air inlet cover (42), and the sealing door is controlled to be opened and closed through an electric control box (25);
one side of the cold end radiator is provided with a blowing component which blows air to one side of the ventilation groove (8);
the utility model provides a blowing assembly includes first blowing pipe (43), first blowing pipe (43) internal rotation is connected with second blowing pipe (44), the tip that first blowing pipe (43) set up is stretched out to second blowing pipe (44) is connected with U type tuber pipe (45) through the bearing, the both ends of U type tuber pipe (45) extend to the position near first cavity (13) top, the outside of second blowing pipe (44) is equipped with a plurality of carousel (46) rather than the coaxial line setting, be equipped with air extraction portion (47) on first blowing pipe (43) tangential direction, air extraction portion (47) are through connecting pipe (48) and air inlet cover (42) intercommunication, one end inner wall that second blowing pipe (44) are close to U type tuber pipe (45) is equipped with a plurality of blades (49), air extraction portion (47) are carried by air inlet cover (42) to first blowing pipe (43) air current carries out the spiral flow along the inner wall of first blowing pipe (43).
2. An outdoor liquid crystal display advertising machine based on air cooling and TEC heat dissipation according to claim 1, characterized in that the electronic device comprises a liquid crystal display screen (19) and an electric control box (25), the liquid crystal display screen (19) divides the first chamber (13) into a front screen area and a rear screen area, the electric control box (25) is arranged in the rear screen area, and the second chamber (14) provides cold air for heat dissipation to the front screen area and the rear screen area respectively.
3. An outdoor liquid crystal display advertising machine based on air cooling and TEC heat dissipation according to claim 2, characterized in that, be equipped with the wind-guiding district between first cavity (13) and second cavity (14), be equipped with on the mounting panel (22) that set up between wind-guiding district and the screen rear region behind screen fan (24), be equipped with air supply fan (17) on baffle (15) that set up between wind-guiding district and second cavity (14), be equipped with on the baffle that sets up between wind-guiding district and the screen front region behind screen fan (21).
4. An outdoor liquid crystal display advertising machine based on air cooling and TEC heat dissipation according to claim 2, wherein the side of the front screen area away from the second chamber (14) is in communication with the side of the rear screen area away from the second chamber (14), and the side of the rear screen area away from the second chamber (14) is provided with an exhaust slot (26).
5. The outdoor liquid crystal display advertising machine based on air cooling and TEC heat dissipation according to claim 3, wherein at least three first mounting grooves (16) are formed in the partition board (15) at equal intervals, the first mounting grooves (16) penetrate through the partition board (15), and an air supply fan (17) is arranged in the first mounting grooves (16);
one side of the partition plate (15) close to the first cavity (13) is provided with a U-shaped mounting frame (18), two sides of the U-shaped mounting frame (18) are fixed in the first cavity (13), a liquid crystal display screen (19) is arranged on the U-shaped mounting frame (18), the part of the U-shaped mounting frame (18) located in the air guide area is a baffle, a plurality of second mounting grooves (20) are formed in the baffle at equal intervals, the second mounting grooves (20) penetrate through the baffle, and a screen front fan (21) is arranged in the second mounting grooves (20);
a plurality of third mounting grooves (23) are formed in the mounting plate (22), and a rear screen fan (24) is arranged in the third mounting grooves (23).
6. The outdoor liquid crystal display advertising machine based on air cooling and TEC heat dissipation according to claim 3, wherein an annular groove (37) is formed in the ventilation opening (7), and a filtering mechanism is arranged in the annular groove (37);
the filtering mechanism comprises an annular shell (38), and a filter element (39) is arranged in the annular shell (38);
at least three magnets (40) are equidistantly arranged on one side, close to the annular groove (37), of the annular shell (38), at least three arc-shaped grooves (41) are equidistantly formed on one side, close to the annular shell (38), of the annular shell (37), the arc-shaped grooves (41) correspond to the magnets (40), and the magnets (40) are adsorbed in the arc-shaped grooves (41);
the outer side surface of the annular shell (38) is provided with a sealing ring (12), and the sealing ring (12) is tightly contacted with the side wall of the annular groove (37).
7. The outdoor liquid crystal display advertising machine based on air cooling and TEC heat dissipation according to claim 3, wherein a through groove (28) is formed in one side, far away from the liquid crystal display screen (19), of the air guide area, a storage box (29) is slidably arranged in the through groove (28), the storage box (29) is of a net-shaped structure, and a plurality of drying agents (30) are arranged in the storage box.
8. The outdoor liquid crystal display advertising machine based on air cooling and TEC heat dissipation according to claim 3, wherein a base (31) is installed at the bottom of the shell (1), a sliding plate (32) is arranged at the bottom of the base (31), electric push rods (33) are installed at four corners of the top of the sliding plate (32), the tops of the electric push rods (33) are installed on the base (31), and universal wheels (34) are installed at four corners of the bottom of the sliding plate (32);
support frame (35) are all installed in bottom four corners department of base (31), and support frame (35) are outside slope setting, the bottom of support frame (35) is equipped with non slipping spur (36), non slipping spur (36) are made for anti-slip rubber material, and non slipping spur (36) glues in the bottom of support frame (35), and non slipping spur (36) contact with ground.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210406072.0A CN114694530B (en) | 2022-04-18 | 2022-04-18 | Outdoor liquid crystal display advertising machine based on forced air cooling and TEC heat dissipation |
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| CN202210406072.0A CN114694530B (en) | 2022-04-18 | 2022-04-18 | Outdoor liquid crystal display advertising machine based on forced air cooling and TEC heat dissipation |
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| CN114694530B true CN114694530B (en) | 2023-11-07 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5096467A (en) * | 1986-05-09 | 1992-03-17 | Japan Air Curtain Company, Ltd. | Artificial tornado generating mechanism and method of utilizing generated artificial tornados |
| CN106535570A (en) * | 2016-11-16 | 2017-03-22 | 上海启钧电子有限公司 | Heat dissipation structure of outdoor electronic equipment and heat dissipation method |
| CN108224640A (en) * | 2018-02-04 | 2018-06-29 | 郑州蓝之夜电子科技有限公司 | Integral ceiling cooling fan and its control method based on semiconductor refrigerating |
| CN110219273A (en) * | 2017-12-12 | 2019-09-10 | 苏州宝时得电动工具有限公司 | Blower |
| CN209822205U (en) * | 2019-05-24 | 2019-12-20 | 苏州瑞光电子科技股份有限公司 | Outdoor LCD display device |
| CN216249852U (en) * | 2021-10-18 | 2022-04-08 | 深圳市迅豹聚能科技有限公司 | Heat radiation structure of outdoor liquid crystal display advertising machine |
| CN216249816U (en) * | 2021-10-18 | 2022-04-08 | 深圳市迅豹聚能科技有限公司 | Outdoor double-screen liquid crystal display advertising machine |
-
2022
- 2022-04-18 CN CN202210406072.0A patent/CN114694530B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5096467A (en) * | 1986-05-09 | 1992-03-17 | Japan Air Curtain Company, Ltd. | Artificial tornado generating mechanism and method of utilizing generated artificial tornados |
| CN106535570A (en) * | 2016-11-16 | 2017-03-22 | 上海启钧电子有限公司 | Heat dissipation structure of outdoor electronic equipment and heat dissipation method |
| CN110219273A (en) * | 2017-12-12 | 2019-09-10 | 苏州宝时得电动工具有限公司 | Blower |
| CN108224640A (en) * | 2018-02-04 | 2018-06-29 | 郑州蓝之夜电子科技有限公司 | Integral ceiling cooling fan and its control method based on semiconductor refrigerating |
| CN209822205U (en) * | 2019-05-24 | 2019-12-20 | 苏州瑞光电子科技股份有限公司 | Outdoor LCD display device |
| CN216249852U (en) * | 2021-10-18 | 2022-04-08 | 深圳市迅豹聚能科技有限公司 | Heat radiation structure of outdoor liquid crystal display advertising machine |
| CN216249816U (en) * | 2021-10-18 | 2022-04-08 | 深圳市迅豹聚能科技有限公司 | Outdoor double-screen liquid crystal display advertising machine |
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| CN114694530A (en) | 2022-07-01 |
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