CN109166476B - Solar outdoor liquid crystal display device capable of being adjusted at multiple angles - Google Patents
Solar outdoor liquid crystal display device capable of being adjusted at multiple angles Download PDFInfo
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- CN109166476B CN109166476B CN201811083326.XA CN201811083326A CN109166476B CN 109166476 B CN109166476 B CN 109166476B CN 201811083326 A CN201811083326 A CN 201811083326A CN 109166476 B CN109166476 B CN 109166476B
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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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
- F16M11/12—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting in more than one direction
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
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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
Abstract
The invention discloses a solar outdoor liquid crystal display device capable of being adjusted at multiple angles, which comprises: at least two uprights; the pair of circular chutes are fixedly arranged at the upper ends of the at least two upright posts in a vertically corresponding manner; a pair of circular sliding rings are arranged at the upper end and the lower end of the shell of the oval cylinder structure; the pair of circular sliding rings are respectively connected with the sliding rails in the pair of circular sliding chutes in a sliding manner through two groups of sliding blocks; the pair of liquid crystal screens and the two groups of solar panels are alternately arranged on the side wall of the shell; the pair of first wind speed sensors are respectively and correspondingly arranged on the frames 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 cell panels; the driving assembly comprises an annular rack; a drive motor and a gear; and a single chip microcomputer. The invention can adjust the display positions of the pair of liquid crystal screens according to the real-time wind direction and wind power while displaying information such as advertisements with rich pictures, thereby prolonging the service life of the pair of liquid crystal screens; and solar energy is effectively utilized for power supply, so that the energy is saved and the environment is protected.
Description
Technical Field
The invention relates to the technical field of electronic information, in particular to a solar outdoor liquid crystal display device capable of being adjusted in multiple angles.
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 the liquid crystal display is used for display outdoors, although the display effect is obvious, the liquid crystal display and the corollary equipment of the liquid crystal display are easily damaged when the liquid crystal display is exposed outside for a long time in strong wind or storm weather, so that the service life of the liquid crystal display and the corollary equipment of the liquid crystal display are 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 capable of being adjusted in multiple angles, which can meet the requirement of information display such as advertisements with rich pictures for merchants and has obvious display effect; the display positions of the pair of liquid crystal screens can be adjusted according to the real-time wind direction and the wind power, and the service lives of the pair of liquid crystal screens are prolonged; 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 adjustable in multiple angles, comprising:
at least two uprights;
the upper ends of the at least two 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 pair of circular sliding grooves are correspondingly arranged so as to form an accommodating space between the pair of circular sliding grooves;
the shell is of an oval cylinder structure, and further comprises a pair of annular sliding rings which are respectively arranged at the upper end and the lower end of the shell, the diameters of the annular sliding rings are 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 pair of liquid crystal screens are correspondingly embedded on the outer side wall of the shell, and are arranged along the longest diameter of the cross section of the shell in a bilateral symmetry mode; 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;
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 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 is fixed on the shell and is arranged close to the annular rack, and the driving motor is electrically connected with the storage batteries of the liquid crystal screens; the gear is sleeved on a driving shaft of the driving motor and is meshed with an annular rack, so that the driving motor drives the shell to rotate in the accommodating space of the pair of annular chutes by a certain angle T; and
the single chip microcomputer is arranged in the shell, the pair of first wind speed sensors, the pair of second wind speed sensors and the driving motor 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 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 driving motor to be started 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 driving motor to be stopped;
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 by the single chip when the shell rotates to the stop position.
Preferably, the method further comprises the following steps: 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 at least two stand columns.
Preferably, the ratio of the arc length to the width of any one of the pair of liquid crystal panels is 2:1-4: 1.
Preferably, the upper ends of the at least two 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 8 min.
Preferably, the driving motor is arranged in a circular sliding groove which is positioned at a relatively higher position in 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 contacted 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; the cover body is an oval plate body and is arranged at the upper end of the shell, the edge of the cover body extends towards the outer side direction of the outer side wall of the shell, the lower surface of the cover body is not connected with the pair of circular ring-shaped sliding grooves, and the lower surface of the cover body is not in contact with the pair of circular ring-shaped sliding grooves.
Preferably, the lower end of the housing is at least 3m from the ground, and the ratio between the smallest diameter and the largest diameter of the cross-section of the housing is 1:3-1: 5.
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;
the electrified copper sheet is 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 at least two pillars provide stable multi-point support for the pair of circular chutes and keep the stable structure of the circular chutes, and in practical application, the number of the pillars can be adjusted to be 2, 3, 4 or even 5 according to the specification and the self weight of the pair of circular chutes; the two struts are generally made of reinforced concrete materials, so that sufficient supporting force and structural stability are guaranteed;
a pair of liquid crystal screens is arranged on the shell of the oval cylinder structure, and the pair of liquid crystal screens can be displayed in multiple directions along with the rotation of the shell; 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 pair of annular sliding rings are matched with the pair of annular sliding grooves to provide rotary support for the shell, and meanwhile, the pair of annular sliding rings provide fixing points for at least two upright posts, 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 is controlled to be turned off by the single chip microcomputer, energy-consuming braking or mechanical band-type brake braking is generally required to be set so as to start the energy-consuming braking or the mechanical band-type brake braking to decelerate the shell and stop the rotation within 5 seconds after the driving motor is turned off; 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 capable of being adjusted in multiple angles 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.
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 capable of being adjusted in multiple angles according to an embodiment of the present invention;
FIG. 2 is a schematic top view of a solar outdoor liquid crystal display device capable of multi-angle adjustment according to an embodiment of the present invention;
FIG. 3 is a schematic top view of a solar outdoor liquid crystal display device capable of being adjusted in multiple angles according to another embodiment of the present invention;
FIG. 4 is a cross-sectional view of portion A of FIG. 1 in accordance with the present invention;
FIG. 5 is a schematic cross-sectional view of the upper end portion of the solar outdoor liquid crystal display apparatus with multi-angle adjustment near the housing according to another embodiment of the present invention;
fig. 6 is a schematic longitudinal sectional view of a housing provided with a pair of liquid crystal panels in the solar outdoor liquid crystal display device capable of multi-angle adjustment 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 2, the invention provides a solar outdoor liquid crystal display device capable of being adjusted in multiple angles, which comprises:
at least two uprights 100; a pair of circular chutes 200 which are fixedly arranged at the upper ends of the at least two upright posts in an up-down corresponding manner, and circular sliding surfaces of the pair of circular chutes are correspondingly arranged to form an accommodating space between the pair of circular chutes; the shell 300 is of an oval cylinder structure, and further comprises a pair of annular sliding rings 301 which are respectively arranged at the upper end and the lower end of the shell, the diameters of the annular sliding rings are equal to the shortest diameter of the cross section of the shell, and the annular sliding rings and the shell are coaxially arranged; two groups of sliding blocks 302 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; the pair of liquid crystal screens 303 are correspondingly embedded on the outer side wall of the shell, and are arranged along the longest diameter of the cross section of the shell in a bilateral symmetry mode; the two groups of solar panels 304 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 first wind speed sensors 305 respectively disposed on the frames of the pair of liquid crystal panels, and wind speed sensing ends of the pair of first wind speed sensors are disposed toward the outer sides of the pair of liquid crystal panels; the pair of second wind speed sensors 306 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 driving assembly 307, which includes a ring-shaped rack 3071, is disposed on the inner sidewall of any one of the pair of circular chutes; the driving motor 3072 is fixed on the shell and is arranged close to the annular rack, and the driving motor is electrically connected with the storage batteries of the pair of liquid crystal screens; the gear 3073 is sleeved on a driving shaft of the driving motor and is meshed with an annular rack, so that the driving motor drives the shell to rotate in the accommodating space of the pair of annular chutes by a certain angle T; the single chip microcomputer is arranged in the shell, the pair of first wind speed sensors, the pair of second wind speed sensors and the driving motor 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 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 driving motor to be started 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 driving motor to be stopped; 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 by the single chip when the shell rotates to the stop position.
In the scheme, at least two struts provide stable multi-point support for the pair of circular chutes and keep the stable structure of the circular chutes, and in practical application, the number of the struts can be adjusted to be 2, 3, 4 or even 5 according to the specification and the self weight of the pair of circular chutes; the two struts are generally made of reinforced concrete materials, so that sufficient supporting force and structural stability are guaranteed;
a pair of liquid crystal screens is arranged on the shell of the oval cylinder structure, and the pair of liquid crystal screens can be displayed in multiple directions along with the rotation of the shell; 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 pair of annular sliding rings are matched with the pair of annular sliding grooves to provide rotary support for the shell, and meanwhile, the pair of annular sliding rings provide fixing points for at least two upright posts, 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 is controlled to be turned off by the single chip microcomputer, energy-consuming braking or mechanical band-type brake braking is generally required to be set so as to start the energy-consuming braking or the mechanical band-type brake braking to decelerate the shell and stop the rotation within 5 seconds after the driving motor is turned off; 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 capable of being adjusted in multiple angles 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. 3, the solar outdoor liquid crystal display device capable of being adjusted at multiple angles further comprises:
the plurality of cooling fans 308 are fixedly arranged in the elliptic cylindrical accommodating cavity in the shell through a connecting rod structure, the windward sides of the plurality of cooling fans are opposite to any group of solar panels, and the connecting rod structure is further fixed to the upper ends of at least two stand 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, results in 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 at least two upright posts so as to support a plurality of cooling fans.
As shown in figure 1, in the solar outdoor liquid crystal display device capable of being adjusted in multiple angles, the ratio of the arc length to the width of any one liquid crystal screen in 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. 4, in the solar outdoor liquid crystal display device capable of being adjusted at multiple angles, the upper ends of at least two upright columns are fixedly connected with the inner side walls of the pair of annular chutes, and the middle parts of the partial upright columns extending into the shell are close to the axis direction of the shell, so that the partial upright columns are arc-shaped.
In this scheme, two at least 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 time, its relevant mechanical structure and two at least stands bump, and two at least stands set to the arc structure, and the radian of arc structure can be selected according to actual need, and in addition, the middle part of two at least stands can contradict the setting each other, in order to improve structural stability and bearing.
In the solar outdoor liquid crystal display device capable of being adjusted in multiple angles, the interval time between the previous time when the single chip microcomputer controls to start the driving motor and the next time when the single chip microcomputer controls to start the driving motor is not less than 8 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. 4, in the solar outdoor liquid crystal display device capable of being adjusted at multiple angles, the driving motor 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 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 relative another ring shape spout of its below and are saved still less, consequently, preferably set up driving motor in the ring shape spout that is located a pair of ring shape spout in relatively higher position, utilize the advantage that ring shape spout opening is downward, the driving motor is lived in the parcel, and then effective protection driving motor avoids corroding or destroying.
As shown in fig. 6, the solar outdoor liquid crystal display device capable of being adjusted at multiple angles further comprises: a plurality of heat dissipation holes 309 uniformly dispersed on an inner sidewall of the case; and a cover body 310, which is an oval plate body, disposed at the upper end of the housing, and the edge of the cover body extends toward the outer side of the outer side wall of the housing, and the lower surface of the cover body is not connected to the pair of circular chutes, and the lower surface of the cover body is not in contact with the pair of circular chutes.
In the scheme, the plurality of heat dissipation holes are arranged for auxiliary heat dissipation, and the cover body with a proper size is matched, so that rainwater and the like can be effectively prevented from entering the inner cavity of the shell; the liquid crystal display, the electronic elements and the circuits in the protective shell, and the edge of the liquid crystal display cover body extends to the shell for a certain length (for example, 10cm, 15cm or 20cm and the like) so as to shield the pair of liquid crystal displays and prevent rainwater dripping from the cover body from directly sliding onto the pair of liquid crystal displays, so that the service lives of the pair of liquid crystal displays are prolonged.
As shown in figure 1, in the multi-angle adjustable solar outdoor liquid crystal display device, the distance between the lower end of the shell and the ground is at least 3m, and the ratio of the minimum diameter to the maximum diameter of the cross section of the shell is 1:3-1: 5. 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. 5, in the solar outdoor liquid crystal display device capable of being adjusted at multiple angles, the slide rail is an electrified slide rail 311, and the slide block is a conductive slide block 312; 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. Liquid crystal display device of liquid crystal screen
The liquid crystal display device electrified copper sheet 3111 is 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 3121 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. 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 can be normally used in a multi-angle adjustable mode by providing multiple power supply modes. The electrified copper sheet is arranged in the electrified slide rail to carry out 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 and the conducting slide block through wires, and the storage battery is controlled to be powered by the single chip microcomputer or the external circuit is controlled to be powered by the single chip microcomputer. Such as: in practical use, the sliding performance can be improved by arranging a row of balls 3122 and a matched ball groove 3123 in the middle of the sliding surface of the sliding block and the sliding rail, and two sides of the row of balls are respectively provided with an electrified copper sheet and an elastic conducting sheet which are electrically connected so as 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 (9)
1. A solar outdoor liquid crystal display device capable of being adjusted at multiple angles is characterized by comprising:
at least two uprights;
the upper ends of the at least two 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 pair of circular sliding grooves are correspondingly arranged so as to form an accommodating space between the pair of circular sliding grooves;
the shell is of an oval cylinder structure, and further comprises a pair of annular sliding rings which are respectively arranged at the upper end and the lower end of the shell, the diameters of the annular sliding rings are 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 pair of liquid crystal screens are correspondingly embedded on the outer side wall of the shell, and are arranged along the longest diameter of the cross section of the shell in a bilateral symmetry mode; 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; liquid crystal screen
The liquid crystal screens are respectively and correspondingly arranged on the frames of the liquid crystal screens, and the wind speed sensing ends of the first wind speed sensors face the outer sides of the 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 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 is fixed on the shell and is arranged close to the annular rack, and the driving motor is electrically connected with the storage batteries of the liquid crystal screens; the gear is sleeved on a driving shaft of the driving motor and is meshed with an annular rack, so that the driving motor drives the shell to rotate in the accommodating space of the pair of annular chutes by a certain angle T; and
the single chip microcomputer is arranged in the shell, the pair of first wind speed sensors, the pair of second wind speed sensors and the driving motor 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 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 driving motor to be started 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 driving motor to be stopped;
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 the driving motor;
further comprising:
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 at least two stand columns.
2. The solar outdoor liquid crystal display device capable of being adjusted in multiple angles as claimed in claim 1, wherein the ratio of the arc length to the width of any one of the pair of liquid crystal screens is 2:1-4: 1.
3. The solar outdoor liquid crystal display device capable of being adjusted at multiple angles as claimed in claim 1, wherein the upper ends of at least two columns are fixedly connected with the inner side walls of the pair of circular chutes, and the middle parts of the partial columns extending into the shell are close to the axial direction of the shell, so that the partial columns are arc-shaped.
4. The solar outdoor liquid crystal display device capable of being adjusted in multiple angles as claimed in claim 1, wherein the time 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 8 min.
5. The solar outdoor liquid crystal display device capable of being adjusted at multiple angles as claimed in claim 1, wherein the driving motor 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 capable of being adjusted in multiple angles according to claim 1, further comprising:
the heat dissipation holes are uniformly distributed on the inner side wall of the shell; the cover body is an oval plate body and is arranged at the upper end of the shell, the edge of the cover body extends towards the outer side direction of the outer side wall of the shell, the lower surface of the cover body is not connected with the pair of circular ring-shaped sliding grooves, and the lower surface of the cover body is not in contact with the pair of circular ring-shaped sliding grooves.
7. The solar outdoor liquid crystal display apparatus capable of multi-angle adjustment of claim 1, wherein the distance between the lower end of the housing and the ground is at least 3m, and the ratio between the minimum diameter and the maximum diameter of the cross section of the housing is 1:3-1: 5.
8. The solar outdoor liquid crystal display apparatus capable of being adjusted in multiple angles according to 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.
9. The solar outdoor liquid crystal display apparatus capable of being adjusted in multiple angles according to 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;
the electrified copper sheet is embedded in the sliding surface of the electrified sliding rail along the extending direction of the electrified sliding rail; and
one end of the elastic conducting strip is fixed on the conductive sliding block, and the fixed end of the elastic conducting strip is electrically connected with the conducting wire in the conductive sliding 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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| CN201811083326.XA CN109166476B (en) | 2018-09-17 | 2018-09-17 | Solar outdoor liquid crystal display device capable of being adjusted at multiple angles |
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| CN110264903B (en) * | 2019-07-16 | 2021-07-06 | 合肥统旭智慧科技有限公司 | Outdoor advertising machine with steerable display screen |
| CN110616858B (en) * | 2019-09-12 | 2021-03-23 | 绍兴文理学院 | Photovoltaic tile adjusting device for dome roof |
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