CN109166475B - Solar outdoor liquid crystal display device - Google Patents
Solar outdoor liquid crystal display device Download PDFInfo
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- CN109166475B CN109166475B CN201811083298.1A CN201811083298A CN109166475B CN 109166475 B CN109166475 B CN 109166475B CN 201811083298 A CN201811083298 A CN 201811083298A CN 109166475 B CN109166475 B CN 109166475B
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 119
- 238000004140 cleaning Methods 0.000 claims abstract description 45
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 36
- 238000003860 storage Methods 0.000 claims abstract description 10
- 230000000712 assembly Effects 0.000 claims abstract description 7
- 238000000429 assembly Methods 0.000 claims abstract description 7
- 230000017525 heat dissipation Effects 0.000 claims description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 8
- 239000010949 copper Substances 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000033001 locomotion Effects 0.000 claims description 3
- 238000010248 power generation Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 19
- 239000000463 material Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
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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
- 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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- 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
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
- B08B3/14—Removing waste, e.g. labels, from cleaning liquid; Regenerating cleaning liquids
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- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Liquid Crystal (AREA)
Abstract
The invention discloses a solar outdoor liquid crystal display device, which comprises: four upright posts; the shell is arranged at the upper ends of the four upright posts and also comprises a pair of liquid crystal screens and two groups of solar cell panels; the pair of cleaning assemblies are arranged on the shell and are respectively arranged on the outer side walls of the shell close to the pair of liquid crystal screens; wherein any of the cleaning assemblies comprises a water collection tank; a filter screen; a cleaning brush; an arc-shaped shaft; an elastic tube; a pair of telescopic rods; a pump disposed on the elastic tube; the driving motor I drives the pair of telescopic rods to stretch and retract at regular time; a storage battery; and a single chip microcomputer. The invention can automatically clean the display surfaces of the pair of liquid crystal screens at regular time while displaying information such as advertisements with rich pictures, thereby ensuring the display effect and saving human resources; solar energy can be effectively utilized for power supply, and the energy-saving and environment-friendly effects are achieved.
Description
Technical Field
The invention relates to the technical field of electronic information, in particular to a solar outdoor liquid crystal display device.
Background
Along with the acceleration of the modern industrialization process and the increase of the demands of people on material culture in life, various production and living goods are produced, so the competition of products is more and more intense. Often, the product needs to be understood and agreed upon by the consumer through extensive publicity. In order to promote products, merchants often adopt various modes for advertising, at present, the application of plane advertising equipment is very common, the plane advertising equipment comprises traditional advertising lamp box equipment and various electronic advertising devices, and is visible everywhere in markets, stations and airports.
If utilize the LCD screen to demonstrate in the open air, although the bandwagon effect is showing, but because the LCD screen exposes outside for a long time, its surface is very easy deposition or forms great water stain seal, needs often clean, however, because outdoor LCD screen generally sets up in higher position, it is very inconvenient to lead to the manual work to clean, and then has improved the manual maintenance cost, if it is clean not for a long time, will directly influence the bandwagon effect of LCD screen, influence its radiating effect even.
In addition, the liquid crystal screen is exposed for a long time, and the liquid crystal screen and the matched equipment thereof are easily damaged in the case of strong wind or storm weather, so that the service life of the liquid crystal screen and the matched equipment thereof is greatly shortened, the equipment is frequently updated, and the cost of advertising is increased.
Disclosure of Invention
An object of the present invention is to solve at least the above problems and to provide at least the advantages described later.
The invention also aims to provide a solar outdoor liquid crystal display device which can meet the requirement of information display such as advertisements with rich pictures of merchants and has obvious display effect; the display surfaces of the pair of liquid crystal screens can be automatically cleaned at regular time, so that the display effect is ensured, and the human resources are saved; solar energy can be effectively utilized for power supply, and the energy-saving and environment-friendly effects are achieved.
To achieve these objects and other advantages in accordance with the purpose of the invention, there is provided a solar outdoor liquid crystal display device, comprising:
the four upright columns are arranged on the ground in a circular ring shape;
the shell is of an oval cylinder structure, the shell is arranged at the upper ends of the four stand columns, the axes of the shell are parallel to the axes of the four stand columns, the shell further comprises a pair of liquid crystal screens, the liquid crystal screens are correspondingly embedded on the outer side wall of the shell, and the pair of liquid crystal screens are arranged in a bilaterally symmetrical mode and extend along the longest diameter of the cross section of the shell; the solar cell panel comprises two groups of solar cell panels, a pair of liquid crystal screens and a power supply, wherein the two groups of solar cell panels are correspondingly arranged on the side wall of the shell, and the two groups of solar cell panels and the pair of liquid crystal screens are alternately arranged on the side wall of the shell, at least 6 solar cell panels of any group of solar cell panels are arranged along the axial direction of the shell in a shutter mode, and any group of solar cell panels are inclined relative to the side wall of the shell and penetrate through the side wall of the shell, so that an air duct with the width of at least 5cm is formed between every two adjacent solar cell;
a pair of cleaning components arranged on the shell, wherein the pair of cleaning components are respectively arranged on the outer side walls of the shell close to the pair of liquid crystal screens; the cleaning assembly comprises a water collecting tank, the water collecting tank is attached to the outer side wall of the upper end frame of any liquid crystal display in an arc shape, an opening of the water collecting tank is arranged upwards, and the width of the opening of the water collecting tank is larger than that of the bottom of the water collecting tank; a filter screen laid at the bottom of the water collecting tank; the cleaning brush is horizontally arranged on the outer side wall of the shell, and the cleaning surface of the cleaning brush is abutted against the surface of any liquid crystal screen; the cleaning brush comprises an arc-shaped shaft, a cleaning brush body and a cleaning brush body, wherein the arc-shaped shaft is axially arranged in the cleaning brush body, the arc-shaped shaft is a hollow pipe body, a plurality of water permeable holes are uniformly distributed in the side wall of the arc-shaped shaft, and the aperture of each water permeable hole is smaller than 2 mm; one end of the elastic pipe is connected to the bottom of the water collecting tank, the other end of the elastic pipe is communicated to the hollow pipe body of the arc-shaped shaft, and the length of the elastic pipe is larger than the width of any liquid crystal screen which is relatively close to the elastic pipe in the vertical direction; the telescopic rods are respectively arranged on two side frames of any one liquid crystal display screen in a telescopic manner, two ends of the arc-shaped shaft are respectively fixed on free ends of the telescopic rods, so that the brush surface of the cleaning brush can slide up and down on the surface of any one liquid crystal display screen abutted against the telescopic rods along with the telescopic movement of the telescopic rods, and the maximum stroke of the telescopic rods is greater than the width of any one liquid crystal display screen in the vertical direction; a pump disposed on the elastic tube; the driving motor I drives the pair of telescopic rods to stretch and retract at regular time;
the storage battery is respectively and electrically connected with the driving motor I, the pump, the two groups of solar cell panels and the pair of liquid crystal screens; and
and the single chip microcomputer is respectively in communication connection with the driving motor I, the pump and the pair of liquid crystal screens.
Preferably, the method further comprises the following steps: the upper ends of the four upright posts are fixedly provided with a pair of circular sliding grooves which correspond to each other up and down, and circular sliding surfaces of the circular sliding grooves are correspondingly arranged so as to form an accommodating space between the circular sliding grooves;
the pair of annular sliding rings are respectively arranged at the upper end and the lower end of the shell, the diameter of each annular sliding ring is equal to the shortest diameter of the cross section of the shell, and the annular sliding rings and the shell are coaxially arranged; the two groups of sliding blocks are respectively fixed on the pair of circular sliding rings and are respectively connected with the sliding rails in the pair of circular sliding grooves in a sliding manner;
the driving assembly comprises an annular rack which is arranged on the inner side wall of any one of the pair of annular chutes; the driving motor II is fixed on the shell and is arranged close to an annular rack, and the driving motor II is electrically connected with the storage battery; the gear is sleeved on a driving shaft of the driving motor II and is meshed with an annular rack, so that the driving motor II drives the shell to rotate in the accommodating space of the pair of annular chutes by a certain angle T;
the pair of first wind speed sensors are respectively and correspondingly arranged on the frames of the pair of liquid crystal screens, and wind speed sensing ends of the pair of first wind speed sensors are arranged towards the outer sides of the pair of liquid crystal screens; the pair of second wind speed sensors are respectively and correspondingly arranged on the two groups of solar panels and are respectively positioned at the air channels of the two adjacent solar panels; the pair of first wind speed sensors, the pair of second wind speed sensors and the driving motor II are in communication connection with the single chip microcomputer, and the pair of first wind speed sensors, the pair of second wind speed sensors, the driving motor II and the single chip microcomputer are electrically connected with the two groups of ventilation solar power generation assemblies;
when the difference C between the real-time wind speed value B of any one second wind speed sensor of the pair of second wind speed sensors and the real-time wind speed value A of any one first wind speed sensor of the pair of first wind speed sensors is more than or equal to 8m/s, the single chip microcomputer controls the opening of the driving motor II to drive the shell to rotate for a certain angle T which is less than or equal to 360 degrees, and when the C is less than or equal to 3m/s, the single chip microcomputer controls the closing of the driving motor II;
if T is more than 360 degrees and less than or equal to 720 degrees, and C is more than 3m/s and less than 8 m/s; and pre-judging the stop position of the shell according to the relative minimum value of C when T is less than or equal to 360 degrees and C is less than or equal to 3m/s, and controlling to close the driving motor II by the singlechip when the shell rotates to the stop position.
Preferably, the ratio of the length to the width of the arc of any one of the pair of liquid crystal panels is 2:1 to 4: 1.
Preferably, the upper ends of the four upright posts are fixedly connected with the inner side walls of the pair of circular chutes, and the middle parts of the partial upright posts extending into the shell are close to the axis direction of the shell, so that the partial upright posts are arc-shaped.
Preferably, the interval time between the previous time of controlling the driving motor to be started by the single chip microcomputer and the next time of controlling the driving motor to be started by the single chip microcomputer is more than or equal to 15 min.
Preferably, the driving motor ii is arranged in a circular sliding groove located at a relatively higher position of the pair of circular sliding grooves, a driving shaft of the driving motor is perpendicular to a circular sliding surface of the circular sliding groove, and the front end of the driving shaft is not in contact with the circular sliding surface;
the outer periphery of the gear is not in contact with the inner side wall of the housing.
Preferably, the method further comprises the following steps: the heat dissipation holes are uniformly distributed on the inner side wall of the shell; and the heat dissipation fans are arranged in the elliptic cylindrical accommodating cavities in the shell through connecting rod structures, the windward sides of the heat dissipation fans are opposite to any group of solar cell panels, and the connecting rod structures are further fixed to the upper ends of the four stand columns.
Preferably, the lower end of the housing is at least 4m from the ground, and the ratio between the smallest diameter and the largest diameter of the cross-section of the housing is 1:2-1: 4.
Preferably, the method further comprises the following steps: the auxiliary bearing is sleeved on the annular sliding groove which is positioned at a relatively lower position in the pair of annular sliding grooves; one end of each rotary supporting rod is fixed on the outer side wall of the auxiliary bearing, and the other end of each rotary supporting rod extends to the lower end edge of the shell along the longest diameter of the shell and is fixed to the lower end edge of the shell;
preferably, the method further comprises the following steps: the slide rail is a powered slide rail, and the two groups of slide blocks are conductive slide blocks; the electrified sliding rail and the conductive sliding block slide relatively and are electrified, the electrified sliding rail is electrically connected with an external power transmission line, and the conductive sliding block is electrically connected with the pair of liquid crystal screens; a plurality of hemispherical ball grooves provided on the sliding surfaces of the two sets of sliders; the ball bearings are embedded in the hemispherical ball grooves and are in rolling contact with the sliding surface of the sliding rail; the pair of electrified copper sheets are parallel to each other and embedded in the sliding surface of the electrified sliding rail along the extending direction of the electrified sliding rail; one end of the elastic conducting strip is fixed on the conducting slide block, and the fixed end of the elastic conducting strip is electrically connected with the conducting wire in the conducting slide block; the other end of the elastic conducting strip is a free end, and the free end is in sliding contact with the surface of the electrified copper sheet.
The invention at least comprises the following beneficial effects:
the shell is of an oval barrel structure, a longer installation space can be provided for the pair of liquid crystal screens in the transverse direction, the installation radian of the liquid crystal screens can be reduced, and meanwhile, the liquid crystal screens with certain radians also have a wind guiding effect, so that the damage of wind and storm to the liquid crystal screens is effectively reduced, and the service lives of the pair of liquid crystal screens are prolonged;
the side wall of the shell with relatively large curvature is provided with two groups of solar cell panels, one group of solar cell panels can be used for fully utilizing solar energy to supply power, the other group of solar cell panels and the two groups of solar cell panels are arranged in a mode that a directional air duct can be formed in the shell to fully dissipate heat in the shell by utilizing wind energy, and the third group of solar cell panels can also reduce the resistance of the whole shell to wind;
the water collecting tank and the filter screen are matched to filter rainwater or snow water and then use the rainwater or the snow water for wetting the cleaning brush, so that the cleaning effect is improved;
the single chip microcomputer controls the driving motor I to drive the pair of telescopic rods to stretch out and draw back at regular time (for example, every 10 days, 15 days or 20 days) so as to clean the liquid crystal screens which are mutually butted with the telescopic rods through the cleaning brush, and effectively avoid dust accumulation on the surfaces of the liquid crystal screens; the cleaning device does not need to be cleaned regularly by people; the innermost layer of the cleaning brush is made of sponge materials, so that the water absorption effect is good; the PE wire material brush hair is inserted in the middle, so that the brush surface is soft, and the service life of the cleaning brush can be prolonged.
In conclusion, the solar outdoor liquid crystal display device provided by the scheme can meet the requirement of information display such as advertisements with rich pictures of merchants, and the display effect is obvious; the display surfaces of the pair of liquid crystal screens can be automatically cleaned at regular time, so that the display effect is ensured, and the human resources are saved; solar energy can be effectively utilized for power supply, and the energy-saving and environment-friendly effects are achieved.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a schematic front view of a solar outdoor liquid crystal display device according to an embodiment of the present invention;
fig. 2 is a schematic front view of the solar outdoor liquid crystal display device according to another embodiment of the present invention;
FIG. 3 is a schematic top view of a solar outdoor liquid crystal display apparatus according to an embodiment of the present invention;
FIG. 4 is a schematic top view of a solar outdoor liquid crystal display apparatus according to another embodiment of the present invention;
FIG. 5 is a cross-sectional view of any one of four uprights of the present invention;
fig. 6 is a schematic cross-sectional view of a set of sliders and their related structures near the upper end of the housing in the solar outdoor liquid crystal display device according to another embodiment of the present invention.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
As shown in fig. 1 and 3, the present invention provides a solar outdoor liquid crystal display device, comprising:
four columns 100 arranged on the ground in a circular ring shape; the shell 200 is of an oval cylinder structure, is arranged at the upper ends of the four upright posts, and has an axis parallel to the axes of the four upright posts, and further comprises a pair of liquid crystal screens 201 which are correspondingly embedded on the outer side wall of the shell and are arranged symmetrically in a left-right manner and extend along the longest diameter of the cross section of the shell; the two groups of solar panels 202 are correspondingly arranged on the side wall of the shell, and the two groups of solar panels and the pair of liquid crystal screens are alternately arranged on the side wall of the shell, wherein at least 6 solar panels of any group of solar panels are arranged in a shutter mode along the axial direction of the shell, and any group of solar panels is inclined relative to the side wall of the shell and penetrates through the side wall of the shell, so that an air duct with the width of at least 5cm is formed between every two adjacent solar panels;
a pair of cleaning assemblies 203 arranged on the housing, and the pair of cleaning assemblies are respectively arranged on the outer side walls of the housing close to the pair of liquid crystal screens; any cleaning assembly comprises a water collecting tank 2031 which is attached to the outer side wall of the upper end frame of any liquid crystal display in an arc shape, the opening of the water collecting tank is arranged upwards, and the width of the opening of the water collecting tank is greater than that of the bottom of the water collecting tank; a filter screen laid at the bottom of the water collecting tank; a cleaning brush 2032 horizontally arranged on the outer side wall of the housing, and a cleaning surface of the cleaning brush is abutted against the surface of any one of the liquid crystal screens; an arc-shaped shaft 2033 which is axially arranged in the cleaning brush, wherein the arc-shaped shaft is a hollow pipe body, a plurality of water permeable holes are uniformly distributed on the side wall of the arc-shaped shaft, and the aperture of the water permeable holes is smaller than 2 mm; one end of the elastic pipe 2034 is connected to the bottom of the water collecting tank, the other end of the elastic pipe 2034 is communicated to the hollow pipe body of the arc-shaped shaft, and the length of the elastic pipe is greater than the width of any liquid crystal screen which is relatively close to the elastic pipe in the vertical direction; a pair of telescopic rods 2035, which are respectively arranged on two side frames of any one of the liquid crystal displays in a telescopic manner, wherein two ends of the arc-shaped shaft are respectively fixed on the free ends of the pair of telescopic rods, so that the brush surface of the cleaning brush can slide up and down on the surface of any one of the liquid crystal displays in contact with the pair of telescopic rods along with the telescopic movement of the pair of telescopic rods, and the maximum stroke of the pair of telescopic rods is greater than the width of any one of the liquid crystal displays in the vertical direction; a pump 2036 provided on the elastic tube; the driving motor I drives the pair of telescopic rods to stretch and retract at regular time;
the storage battery is respectively and electrically connected with the driving motor I, the pump, the two groups of solar cell panels and the pair of liquid crystal screens; and
and the single chip microcomputer is respectively in communication connection with the driving motor I, the pump and the pair of liquid crystal screens.
In the scheme, the shell is of an oval barrel structure, a longer installation space can be provided for the pair of liquid crystal screens in the transverse direction, the installation radian of the liquid crystal screens can be reduced, and meanwhile, the liquid crystal screens with certain radians also have a wind guiding effect, so that the damage of wind and storm to the liquid crystal screens is effectively reduced, and the service lives of the pair of liquid crystal screens are prolonged;
the side wall of the shell with relatively large curvature is provided with two groups of solar cell panels, one group of solar cell panels can be used for fully utilizing solar energy to supply power, the other group of solar cell panels and the two groups of solar cell panels are arranged in a mode that a directional air duct can be formed in the shell to fully dissipate heat in the shell by utilizing wind energy, and the third group of solar cell panels can also reduce the resistance of the whole shell to wind;
the water collecting tank and the filter screen are matched to filter rainwater or snow water and then use the rainwater or the snow water for wetting the cleaning brush, so that the cleaning effect is improved;
the single chip microcomputer controls the driving motor I to drive the pair of telescopic rods to stretch out and draw back at regular time (for example, every 10 days, 15 days or 20 days) so as to clean the liquid crystal screens which are mutually butted with the telescopic rods through the cleaning brush, and effectively avoid dust accumulation on the surfaces of the liquid crystal screens; the cleaning device does not need to be cleaned regularly by people; the innermost layer of the cleaning brush is made of sponge materials, so that the water absorption effect is good; the PE wire material brush hair is inserted in the middle, so that the brush surface is soft, and the service life of the cleaning brush can be prolonged.
As shown in fig. 2, the solar outdoor liquid crystal display device further includes: a pair of circular sliding grooves 204 which are fixedly arranged at the upper ends of the four upright posts in a vertically corresponding manner, and circular sliding surfaces of the circular sliding grooves are correspondingly arranged to form an accommodating space between the circular sliding grooves; a pair of circular sliding rings 205 respectively disposed at the upper and lower ends of the housing, the diameter of the pair of circular sliding rings being equal to the shortest diameter of the cross section of the housing, and the pair of circular sliding rings being disposed coaxially with the housing; two sets of sliding blocks 206, which are respectively fixed on the pair of circular sliding rings and are respectively connected with the sliding rails in the pair of circular sliding grooves in a sliding manner; a driving assembly 207 including an annular rack 2071 disposed on an inner sidewall of any one of the pair of annular chutes; the driving motor II 2072 is fixed on the shell and is arranged close to the annular rack, and the driving motor II is electrically connected with the storage battery; a gear 2073, which is sleeved on the driving shaft of the driving motor ii and is engaged with an annular rack, so that the driving motor ii drives the casing to rotate within the accommodating space of the pair of annular chutes by a certain angle T; a pair of first wind speed sensors 208 respectively and correspondingly arranged on the frames of the pair of liquid crystal screens, wherein the wind speed sensing ends of the pair of first wind speed sensors are arranged towards the outer sides of the pair of liquid crystal screens; the pair of second wind speed sensors 209 are respectively and correspondingly arranged on the two groups of solar panels and are respectively positioned at the air channels of the two adjacent solar panels; the pair of first wind speed sensors, the pair of second wind speed sensors and the driving motor II are in communication connection with the single chip microcomputer, and the pair of first wind speed sensors, the pair of second wind speed sensors, the driving motor II and the single chip microcomputer are electrically connected with the two groups of ventilation solar power generation assemblies;
when the difference C between the real-time wind speed value B of any one second wind speed sensor of the pair of second wind speed sensors and the real-time wind speed value A of any one first wind speed sensor of the pair of first wind speed sensors is more than or equal to 8m/s, the single chip microcomputer controls the opening of the driving motor II to drive the shell to rotate for a certain angle T which is less than or equal to 360 degrees, and when the C is less than or equal to 3m/s, the single chip microcomputer controls the closing of the driving motor II;
if T is more than 360 degrees and less than or equal to 720 degrees, and C is more than 3m/s and less than 8 m/s; and pre-judging the stop position of the shell according to the relative minimum value of C when T is less than or equal to 360 degrees and C is less than or equal to 3m/s, and controlling to close the driving motor II by the singlechip when the shell rotates to the stop position.
In the scheme, the four pillars provide stable multi-point support for the pair of circular chutes and keep the stable structure of the circular chutes, and the four pillars are generally made of reinforced concrete materials so as to ensure sufficient supporting force and structural stability;
the pair of annular sliding rings are matched with the pair of annular sliding grooves to provide rotary support for the shell, and meanwhile, the fixing points are provided for the four stand columns, so that a sliding support structure which is reasonable in structure and effectively saves space is provided for the shell of an oval barrel structure;
in practical application, in order to synchronously stop the rotation of the shell after the driving motor II is controlled to be closed by the singlechip, energy-consuming braking or mechanical band-type brake braking is generally required to be arranged so as to start the energy-consuming braking or the mechanical band-type brake braking to decelerate the shell and stop the rotation within 5s after the driving motor II is closed; in addition, the rotating speed of the shell can be set to be lower than 20cm/s, so that the single chip microcomputer can timely control the rotating angle and the proper stop position of the shell; the pair of first wind speed sensors can monitor the wind speed of the pair of liquid crystal screens facing the wind in real time, and the pair of second wind speed sensors can monitor the wind speed of a wind channel between any adjacent solar cells in the two groups of solar cell panels in real time; then, after comparison is carried out through the single chip microcomputer, the shell is rotationally adjusted, so that the windward wind speed of the pair of liquid crystal screens is always lower than the wind speed of the wind channel between any adjacent solar cells, and the pair of liquid crystal screens are protected from being damaged;
in conclusion, the solar outdoor liquid crystal display device provided by the scheme can adjust the display positions of the pair of liquid crystal screens according to the wind direction and the wind force, so that the pair of liquid crystal screens are always in the downwind direction, on one hand, the front impact of strong wind on the pair of liquid crystal screens can be directly avoided, and the pair of liquid crystal screens can be effectively protected; in addition, as the pair of liquid crystal screens has a certain radian along with the shell, strong wind can be guided to flow along the radian direction of the liquid crystal screens, and the striking and invasion of the strong wind to the surfaces of the liquid crystal screens can be effectively reduced; on the other hand, after the pair of liquid crystal screens rotate to shelter from the wind, the two groups of solar cell panels can rotate to the position opposite to the strong wind so as to guide the strong wind to blow through the wind channels between the adjacent solar cell panels, and meanwhile, the heat dissipation efficiency of the shell and the pair of liquid crystal screens is improved.
As shown in fig. 1, in the solar outdoor liquid crystal display device, the ratio of the arc length to the width of any one of a pair of liquid crystal screens is 2:1-4: 1. In this scheme, because the show face that is greater than 180 degrees that a pair of LCD screen appears for the radian along with the casing, the show angle is bigger, and the show form is abundanter, can carry out the split screen show of same screen to make full use of space.
As shown in fig. 5, in the solar outdoor liquid crystal display device, the upper ends of the four vertical columns are fixedly connected to the inner side walls of the pair of circular chutes, and the middle of a part of the vertical columns extending into the housing is close to the axis direction of the housing, so that the part of the vertical columns is arc-shaped.
In this scheme, four stands with the inside wall fixed connection of a pair of ring shape spout to effectively support a fixed pair of ring shape spout, in addition, in order to avoid the casing rotatory, its relevant mechanical structure collides with four stands, and the arc structure is set to four stands, and the radian of arc structure can be selected according to actual need, and in addition, the middle part of four stands can contradict the setting each other, in order to improve structural stability and bearing.
In the solar outdoor liquid crystal display device, the interval time between the previous time of controlling the starting of the driving motor II by the single-chip microcomputer and the next time of controlling the starting of the driving motor II by the single-chip microcomputer is more than or equal to 15 min.
In the scheme, a control program of the single chip microcomputer is set, so that frequent rotation adjustment of the shell is avoided, and the display effect of the pair of liquid crystal screens is prevented from being influenced, therefore, in actual use, the interval time is set according to different setting regions, for example, the interval time can be set to be 8min, 12min or 18min in a windy mountain area or plateau; in plain areas with relatively little wind, the interval time can be set to be 22min, 32min or 42min and the like.
As shown in fig. 5, in the solar outdoor liquid crystal display device, the driving motor ii is disposed in the circular sliding groove located at a relatively higher position of the pair of circular sliding grooves, the driving shaft of the driving motor ii is perpendicular to the circular sliding surface of the circular sliding groove, and the front end of the driving shaft is not in contact with the circular sliding surface; the outer periphery of the gear is not in contact with the inner side wall of the housing. In this scheme, the opening that is located the ring shape spout that is in relatively higher position in a pair of ring shape spout sets up downwards, because dead weight effect, rain and snow or dust etc. are less than for another ring shape spout accumulation of its below, consequently, preferably set up driving motor II in being located the ring shape spout of relatively higher position in a pair of ring shape spout, utilize the advantage that ring shape spout opening is downward, parcel driving motor II, and then effective protection driving motor II avoids corroding or destroying.
As shown in fig. 4, the solar outdoor liquid crystal display device further includes: the heat dissipation holes are uniformly distributed on the inner side wall of the shell; and a plurality of heat dissipation fans 211 which are fixedly arranged in the elliptic cylindrical accommodating cavities in the housing through a connecting rod structure 2111, the windward sides of the plurality of heat dissipation fans are arranged opposite to any group of solar cell panels, and the connecting rod structure is further fixed to the upper ends of the four columns. In this scheme, a plurality of radiator fan sets up in the oval cylindrical's in the casing hold the cavity, when wind blows in from the wind channel, blows a plurality of radiator fan rotatoryly, the guide wind in the casing blows to the inside wall of the casing of both sides, and then improves the radiating efficiency of casing, consequently, sets up radiator fan here, not only need not provide unnecessary electric energy, can also improve the radiating efficiency, energy saving and emission reduction, environmental protection. The connecting rod structure can be 2, 3 or more rod bodies which are criss-cross, and two ends of the connecting rod structure are fixed on the four upright posts so as to support the plurality of radiating fans; a plurality of louvres set up to supplementary heat dissipation, improve the radiating efficiency.
As shown in figure 2, in the solar outdoor liquid crystal display device, the distance between the lower end of the shell and the ground is at least 4m, and the ratio of the minimum diameter to the maximum diameter of the cross section of the shell is 1:2-1: 4. Such as: the distance between the lower end of the shell and the ground can be set to be 2.5m, 2.6m, 2.7m, 2.8m, 2.9m, even 3m and the like according to actual needs; the ratio of the smallest diameter to the largest diameter of the cross section of the shell is 1:3, 1:3.5, 1:4 or 1:5, etc.
As shown in fig. 6, in the solar outdoor liquid crystal display device, the slide rail is an electrified slide rail 212, and the slide block is a conductive slide block 213; the electrified sliding rail and the conductive sliding block slide relatively and are electrified, the electrified sliding rail is electrically connected with an external power transmission line, and the conductive sliding block is electrically connected with the pair of liquid crystal screens; a plurality of hemispherical ball grooves 2131 provided on the sliding surfaces 2132 of the two sets of sliders; a plurality of balls 214 embedded in the plurality of hemispherical ball grooves and rolling against the sliding surface of the slide rail; a pair of energized copper sheets 2121 which are parallel to each other and embedded in the sliding surface of the energized slide rail along the extending direction of the energized slide rail; the elastic conducting strip 2133 is fixed on the conducting slide block at one end, and the fixed end of the elastic conducting strip is electrically connected with the lead in the conducting slide block; the other end of the elastic conducting strip is a free end, and the free end is in sliding contact with the surface of the electrified copper sheet. In the scheme, the power-on sliding rail is matched with the conductive sliding block so as to provide electric energy for the pair of liquid crystal screens and related electric appliances when the storage battery is powered on. The solar outdoor liquid crystal display device is used for providing multiple power supply modes to ensure the normal use of the solar outdoor liquid crystal display device. The electrified copper sheet is arranged in the electrified slide rail to perform structure protection and insulation protection inside the slide rail, and in practical application, the relay arranged inside the shell is respectively and electrically connected with the storage battery circuit, the driving circuit of the driving motor II and the conducting slide block through wires, and the storage battery is controlled to supply power or the external circuit is controlled to supply power through the single chip microcomputer. The plurality of balls can improve the sliding performance, and the two electrified copper sheets and the elastic conducting strips which are electrically connected are arranged to keep the stability and reliability of the electrical connection.
While embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. A solar outdoor liquid crystal display device, comprising:
the four upright columns are arranged on the ground in a circular ring shape;
the shell is of an oval cylinder structure, the shell is arranged at the upper ends of the four stand columns, the axes of the shell are parallel to the axes of the four stand columns, the shell further comprises a pair of liquid crystal screens, the liquid crystal screens are correspondingly embedded on the outer side wall of the shell, and the pair of liquid crystal screens are arranged in a bilaterally symmetrical mode and extend along the longest diameter of the cross section of the shell; the solar cell panel comprises two groups of solar cell panels, a pair of liquid crystal screens and a power supply, wherein the two groups of solar cell panels are correspondingly arranged on the side wall of the shell, and the two groups of solar cell panels and the pair of liquid crystal screens are alternately arranged on the side wall of the shell, at least 6 solar cell panels of any group of solar cell panels are arranged along the axial direction of the shell in a shutter mode, and any group of solar cell panels are inclined relative to the side wall of the shell and penetrate through the side wall of the shell, so that an air duct with the width of at least 5cm is formed between every two adjacent solar cell;
a pair of cleaning components arranged on the shell, wherein the pair of cleaning components are respectively arranged on the outer side walls of the shell close to the pair of liquid crystal screens; the cleaning assembly comprises a water collecting tank, the water collecting tank is attached to the outer side wall of the upper end frame of any liquid crystal display in an arc shape, an opening of the water collecting tank is arranged upwards, and the width of the opening of the water collecting tank is larger than that of the bottom of the water collecting tank; a filter screen laid at the bottom of the water collecting tank; the cleaning brush is horizontally arranged on the outer side wall of the shell, and the cleaning surface of the cleaning brush is abutted against the surface of any liquid crystal screen; the cleaning brush comprises an arc-shaped shaft, a cleaning brush body and a cleaning brush body, wherein the arc-shaped shaft is axially arranged in the cleaning brush body, the arc-shaped shaft is a hollow pipe body, a plurality of water permeable holes are uniformly distributed in the side wall of the arc-shaped shaft, and the aperture of each water permeable hole is smaller than 2 mm; one end of the elastic pipe is connected to the bottom of the water collecting tank, the other end of the elastic pipe is communicated to the hollow pipe body of the arc-shaped shaft, and the length of the elastic pipe is larger than the width of any liquid crystal screen which is relatively close to the elastic pipe in the vertical direction; the telescopic rods are respectively arranged on two side frames of any one liquid crystal display screen in a telescopic manner, two ends of the arc-shaped shaft are respectively fixed on free ends of the telescopic rods, so that the brush surface of the cleaning brush can slide up and down on the surface of any one liquid crystal display screen abutted against the telescopic rods along with the telescopic movement of the telescopic rods, and the maximum stroke of the telescopic rods is greater than the width of any one liquid crystal display screen in the vertical direction; a pump disposed on the elastic tube; the driving motor I drives the pair of telescopic rods to stretch and retract at regular time;
the storage battery is respectively and electrically connected with the driving motor I, the pump, the two groups of solar cell panels and the pair of liquid crystal screens; and
the single chip microcomputer is respectively in communication connection with the driving motor I, the pump and the pair of liquid crystal screens;
further comprising:
the upper ends of the four upright posts are fixedly provided with a pair of circular sliding grooves which correspond to each other up and down, and circular sliding surfaces of the circular sliding grooves are correspondingly arranged so as to form an accommodating space between the circular sliding grooves;
the pair of annular sliding rings are respectively arranged at the upper end and the lower end of the shell, the diameter of each annular sliding ring is equal to the shortest diameter of the cross section of the shell, and the annular sliding rings and the shell are coaxially arranged; the two groups of sliding blocks are respectively fixed on the pair of circular sliding rings and are respectively connected with the sliding rails in the pair of circular sliding grooves in a sliding manner;
the driving assembly comprises an annular rack which is arranged on the inner side wall of any one of the pair of annular chutes; the driving motor II is fixed on the shell and is arranged close to an annular rack, and the driving motor II is electrically connected with the storage battery; the gear is sleeved on a driving shaft of the driving motor II and is meshed with an annular rack, so that the driving motor II drives the shell to rotate in the accommodating space of the pair of annular chutes by a certain angle T;
the pair of first wind speed sensors are respectively and correspondingly arranged on the frames of the pair of liquid crystal screens, and wind speed sensing ends of the pair of first wind speed sensors are arranged towards the outer sides of the pair of liquid crystal screens; the pair of second wind speed sensors are respectively and correspondingly arranged on the two groups of solar panels and are respectively positioned at the air channels of the two adjacent solar panels; the pair of first wind speed sensors, the pair of second wind speed sensors and the driving motor II are in communication connection with the single chip microcomputer, and the pair of first wind speed sensors, the pair of second wind speed sensors, the driving motor II and the single chip microcomputer are electrically connected with the two groups of ventilation solar power generation assemblies;
when the difference C between the real-time wind speed value B of any one second wind speed sensor of the pair of second wind speed sensors and the real-time wind speed value A of any one first wind speed sensor of the pair of first wind speed sensors is more than or equal to 8m/s, the single chip microcomputer controls the opening of the driving motor II to drive the shell to rotate for a certain angle T which is less than or equal to 360 degrees, and when the C is less than or equal to 3m/s, the single chip microcomputer controls the closing of the driving motor II;
if T is more than 360 degrees and less than or equal to 720 degrees, and C is more than 3m/s and less than 8 m/s; the stop position of the shell is judged in advance according to the relative minimum value of C when T is less than or equal to 360 degrees and C is less than or equal to 3m/s, and when the shell rotates to the stop position, the single chip microcomputer controls to close a driving motor II;
further comprising:
the heat dissipation holes are uniformly distributed on the inner side wall of the shell; and
the heat dissipation fans are arranged in the oval cylindrical accommodating cavities in the shell through the connecting rod structures, the windward sides of the heat dissipation fans are opposite to any group of solar cell panels, and the connecting rod structures are further fixed to the upper ends of the four stand columns.
2. The solar outdoor liquid crystal display device of claim 1, wherein the ratio of the length to the width of the arc of any one of the pair of liquid crystal panels is 2:1-4: 1.
3. The solar outdoor liquid crystal display device as claimed in claim 1, wherein the upper ends of the four vertical columns are fixedly connected with the inner side walls of the pair of circular chutes, and the middle parts of the partial vertical columns extending into the shell are close to the axial direction of the shell, so that the partial vertical columns are arc-shaped.
4. The solar outdoor liquid crystal display device as claimed in claim 1, wherein the interval between the previous time when the single-chip microcomputer controls the driving motor to be turned on and the next time when the single-chip microcomputer controls the driving motor to be turned on is not less than 15 min.
5. The solar outdoor liquid crystal display device as claimed in claim 1, wherein the driving motor ii is disposed in a circular sliding groove located at a relatively high position among the pair of circular sliding grooves, a driving shaft of the driving motor is perpendicular to a circular sliding surface of the circular sliding groove, and a front end of the driving shaft is not in contact with the circular sliding surface;
the outer periphery of the gear is not in contact with the inner side wall of the housing.
6. The solar outdoor liquid crystal display apparatus of claim 1, wherein the lower end of the housing is at least 4m from the ground, and the ratio between the smallest diameter and the largest diameter of the cross-section of the housing is 1:2-1: 4.
7. The solar outdoor liquid crystal display apparatus of claim 1, further comprising:
the auxiliary bearing is sleeved on the annular sliding groove which is positioned at a relatively lower position in the pair of annular sliding grooves; and
and one ends of the rotating support rods are fixed on the outer side wall of the auxiliary bearing, and the other ends of the rotating support rods respectively extend to the lower end edge of the shell along the longest diameter of the shell and are fixed on the lower end edge of the shell.
8. The solar outdoor liquid crystal display apparatus of claim 1, further comprising:
the slide rail is a powered slide rail, and the two groups of slide blocks are conductive slide blocks; the electrified sliding rail and the conductive sliding block slide relatively and are electrified, the electrified sliding rail is electrically connected with an external power transmission line, and the conductive sliding block is electrically connected with the pair of liquid crystal screens;
a plurality of hemispherical ball grooves provided on the sliding surfaces of the two sets of sliders;
the ball bearings are embedded in the hemispherical ball grooves and are in rolling contact with the sliding surface of the sliding rail;
the pair of electrified copper sheets are parallel to each other and embedded in the sliding surface of the electrified sliding rail along the extending direction of the electrified sliding rail; one end of the elastic conducting strip is fixed on the conducting slide block, and the fixed end of the elastic conducting strip is electrically connected with the conducting wire in the conducting slide block; the other end of the elastic conducting strip is a free end, and the free end is in sliding contact with the surface of the electrified copper sheet.
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| CN201811083298.1A CN109166475B (en) | 2018-09-17 | 2018-09-17 | Solar outdoor liquid crystal display device |
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| CN201811083298.1A CN109166475B (en) | 2018-09-17 | 2018-09-17 | Solar outdoor liquid crystal display device |
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| CN109166475B true CN109166475B (en) | 2021-04-13 |
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| CN110108613A (en) * | 2019-06-03 | 2019-08-09 | 中科光生(苏州)智能环境科技有限公司 | A kind of fugitive dust instrument on-line monitoring information carrying means |
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