CN115188287A - Intelligent high-speed roadside floor liquid crystal large screen based on Internet of things - Google Patents

Intelligent high-speed roadside floor liquid crystal large screen based on Internet of things Download PDF

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Publication number
CN115188287A
CN115188287A CN202210806958.4A CN202210806958A CN115188287A CN 115188287 A CN115188287 A CN 115188287A CN 202210806958 A CN202210806958 A CN 202210806958A CN 115188287 A CN115188287 A CN 115188287A
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China
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liquid crystal
shielding cloth
large screen
things
internet
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CN202210806958.4A
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CN115188287B (en
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尹蔚峰
翟军勇
盛奔宇
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Southeast University
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Southeast University
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    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30Indicating 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
    • G09F9/35Indicating 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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  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Traffic Control Systems (AREA)

Abstract

The invention belongs to the technical field of intelligent liquid crystal large screens, in particular to a high-speed roadside floor type intelligent liquid crystal large screen based on the Internet of things, which comprises a machine body, a first groove, shielding cloth, a movable plate, a telescopic device, a cushion block and a controller; by arranging the telescopic rod, the shielding cloth and the movable plate, the telescopic rod drives the shielding cloth to be unfolded above the machine body, so that the shielding cloth can block rainwater and sunlight from irradiating the liquid crystal screen, and when the telescopic rod retracts the shielding cloth to the first notch, the movable rod closes the first notch under the action of gravity and a torsion spring, so that the hidden design can slow down the accelerated aging speed of the liquid crystal screen due to the rainwater and the sunlight, and can reduce the phenomenon that the shielding cloth is exposed outside for a long time to cause damage to the surface of the shielding cloth by the external environment; and the torsional spring makes the bottom of fly leaf strike off sheltering from cloth surface debris, reduces debris and is detained on sheltering from the cloth and influence pleasing to the eye, and then makes the big screen of console mode intelligence liquid crystal normally use by the highway.

Description

Intelligent high-speed roadside floor liquid crystal large screen based on Internet of things
Technical Field
The invention belongs to the technical field of intelligent liquid crystal large screens, and particularly relates to a high-speed roadside floor type intelligent liquid crystal large screen based on the Internet of things.
Background
The intelligent liquid crystal large screen displays received information through a screen and can be used for displaying the weather today, the road section condition in front or advertisements and other related information, the expressway belongs to an accident frequent area, therefore, the road information in front can be displayed through the intelligent liquid crystal large screen, so that a driver can obtain the information from the intelligent liquid crystal large screen and then take corresponding adjustment measures.
For a floor type intelligent liquid crystal large screen in the prior art, the general working process is as follows: the technical personnel install the intelligent liquid crystal large screen beside the expressway, and use the computer to transmit the network information to the intelligent liquid crystal large screen through the network sensor, the intelligent liquid crystal large screen displays the received network information through the screen, so that the driver can obtain the information from the screen and take corresponding measures;
however, when the floor-type intelligent liquid crystal large screen is actually used, it is found that the floor-type intelligent liquid crystal large screen is easily affected by surrounding environment conditions, for example, in rainy days, rainwater is in contact with the screen, which may cause a situation of a dead lamp in the screen, and stain marks may be left on the screen, which affects the beauty of the floor-type intelligent liquid crystal large screen, and meanwhile, accumulated water on the ground may enter the inside of the machine body through a gap of the machine body, which causes short circuit of parts in the machine body and damages; it contacts with the screen to block the rainwater through the canopy now, and set up the mound at bottom of the body and reduce ponding entering organism inside, but expose outside the canopy for a long time and receive external factor easily and suffer the harm, and probably be detained impurity on the canopy surface, and general mound is fixed thickness, it also changes to lead to the degree of depth of ponding to rain for a long time, fixed thickness mound is difficult to adapt to the ponding of the different degree of depth, thereby it is poor to lead to protecting the effect of console mode intelligence liquid crystal large-size screen in the rainy day, influence landing floor type intelligence liquid crystal large-size screen at highway side normal use.
Based on the technical scheme, the invention designs the intelligent high-speed roadside floor liquid crystal large screen based on the Internet of things so as to solve the technical problems.
Disclosure of Invention
In order to make up for the defects and solve the problems that the existing canopy is easily damaged due to external factors after being exposed for a long time, impurities may be retained on the surface of the canopy, and meanwhile, stone piers with fixed thickness are difficult to adapt to accumulated water with different depths, so that the effect of protecting the floor type intelligent liquid crystal large screen in rainy days is poor, and the normal use of the floor type intelligent liquid crystal large screen beside a high-speed road is influenced, the invention provides the high-speed road side floor type intelligent liquid crystal large screen based on the Internet of things.
The technical scheme adopted by the invention for solving the technical problem is as follows: the invention relates to a high-speed roadside floor type intelligent liquid crystal large screen based on the Internet of things;
the mobile phone comprises a body, wherein a liquid crystal screen is arranged on the surface of the body and used for displaying weather, traffic or advertisement and other related information conditions;
the first notch is formed in the top of the machine body and is positioned on the same side with the surface of the machine body as the liquid crystal screen;
the shielding cloth is positioned at the port of the first notch, and the end part of the shielding cloth is fixedly connected with the inner wall of the first notch;
the movable plate is rotatably connected with the inner wall of the first notch and is positioned outside the shielding cloth;
the end part of the telescopic rod is fixedly connected with the inner wall of the first notch, and one end of the telescopic rod, far away from the inner wall of the first notch, is fixedly connected with the inner side of the shielding cloth;
the cushion block is fixedly connected with the bottom of the machine body and used for increasing the height of the machine body;
and the controller is used for controlling the operation of the parts in the liquid crystal large screen.
Preferably, the cross section of the end part of the telescopic rod, which is in contact with the shielding cloth, is semicircular so as to reduce the damage of the end part of the telescopic rod to the inner side surface of the shielding cloth.
Preferably, the drainage gradient of the upper surface of the shielding cloth is set to be 2% -3% so as to accelerate the rainwater on the upper surface of the shielding cloth to slide off quickly.
Preferably, one side that the LCD screen was kept away from to the organism is provided with the ventilating board, the ventilation hole has been seted up on the ventilating board surface, just the ventilation hole sets up to the slope downwards, and is adjacent be provided with the rain cover between the ventilation hole, the rain cover links firmly mutually with the ventilating board.
Preferably, the inner side of the ventilation board is provided with a spongy cushion, and the spongy cushion and the ventilation board are connected through a magic tape so as to be detachably connected.
Preferably, a cavity is formed in the cushion block, an extension block is connected to the inside of the cavity in a sliding mode, the top of the extension block is fixedly connected with the bottom of the machine body, and the extension block is used for changing the height of the machine body on the ground.
Preferably, the bottom of the extension block is provided with an expansion bag, the expansion bag contains water-absorbing materials such as bentonite or super absorbent resin, and the expansion bag is used for absorbing water and expanding to drive the extension block to move upwards.
Preferably, the bottom of the outer side of the cushion block is rotatably connected with a cover plate, the cover plate is provided with round holes, and the round holes are uniformly distributed on the cover plate.
Preferably, the circular hole inner wall has linked firmly the filter screen, just the filter screen adopts waterproof and corrosion-resistant material, for example the filter screen adopts stainless steel material.
Preferably, the inner wall of the cavity is provided with a limit groove, and the side surface of the bottom of the extension block is in sliding connection in the limit groove, so that the up-and-down movement stability of the extension block in the cavity is improved.
The invention has the following beneficial effects:
1. according to the expressway side floor type intelligent large liquid crystal screen based on the Internet of things, the telescopic rod, the shielding cloth and the movable plate are arranged, the telescopic rod drives the shielding cloth to be unfolded above the machine body, so that the shielding cloth can block rainwater and sunlight from irradiating the liquid crystal screen, and when the telescopic rod retracts the shielding cloth to the first notch, the movable rod closes the first notch under the action of gravity and a torsion spring, so that the hidden design can slow down the accelerated aging speed of the liquid crystal screen due to the rainwater and the sunlight, and can reduce the phenomenon that the shielding cloth is exposed outside for a long time to damage the surface of the shielding cloth due to the external environment; and the torsional spring makes the fly leaf bottom strike off sheltering from cloth surface debris, reduces debris and is detained on sheltering from the cloth and influence pleasing to the eye, and then makes the big screen of console mode intelligence liquid crystal normally use by the highway.
2. According to the intelligent expressway roadside floor liquid crystal large screen based on the Internet of things, by the aid of the cushion block, the round holes and the expansion bag, when the water is too much in road area, the accumulated water enters the cushion block through the round holes and contacts with the expansion bag, the volume of the expansion bag after water absorption is increased, the height of the body above the ground is increased through the extension block, the height of the body gradually rises along with the horizontal plane of the accumulated water, the intelligent expressway roadside floor liquid crystal large screen based on the Internet of things can adapt to the accumulated water condition of different depths, the situation that the bottom of the body is submerged in the accumulated water is reduced, the weight of the expansion bag after water absorption is increased, the stability of the cushion block in the accumulated water can be improved, and the protection effect of the intelligent expressway floor liquid crystal large screen is improved.
Drawings
The invention will be further explained with reference to the drawings.
Fig. 1 is a perspective view of a floor type intelligent liquid crystal large screen in a first embodiment of the invention;
FIG. 2 is a perspective view of the movable plate of FIG. 1;
FIG. 3 is a cross-sectional view of the structure associated with the extension pole of FIG. 1;
FIG. 4 is a schematic view of the shielding cloth of FIG. 1 showing the structure thereof when the shielding cloth is unfolded;
FIG. 5 is an enlarged view of a portion A of FIG. 4;
FIG. 6 is a perspective view of a floor-type intelligent liquid crystal large screen according to a second embodiment of the present invention;
FIG. 7 is a cross-sectional view of the structure associated with the vent of FIG. 6;
FIG. 8 is a cross-sectional view of the sponge pad of FIG. 6;
FIG. 9 is a cross-sectional view of a related structure of a spacer according to a third embodiment of the present invention;
FIG. 10 is a schematic view of the related structure of the cover plate in FIG. 8;
in the figure: 1. a body; 11. a liquid crystal screen; 2. a first notch; 21. a shielding cloth; 22. a movable plate; 23. a telescopic rod; 24. cushion blocks; 3. a ventilation board; 31. a vent hole; 32. a rain shield; 33. a sponge cushion; 331. magic tape; 4. a cavity; 41. an extension block; 42. expanding the bag; 43. a cover plate; 44. a circular hole; 441. a filter screen; 45. a limiting groove.
Detailed Description
As shown in fig. 1 to 5, the expressway floor type intelligent liquid crystal large screen based on the internet of things is disclosed in the invention;
the intelligent traffic information display device comprises a machine body 1, wherein a liquid crystal screen 11 is arranged on the surface of the machine body 1, and the liquid crystal screen 11 is used for displaying weather, traffic or advertisement and other related information conditions;
the first notch 2 is formed in the top of the machine body 1, and the first notch 2 and the liquid crystal screen 11 are located on the same side of the surface of the machine body 1;
the shielding cloth 21 is positioned at the port of the first notch 2, and the end part of the shielding cloth 21 is fixedly connected with the inner wall of the first notch 2;
the movable plate 22 is rotatably connected with the inner wall of the first notch 2 and is positioned outside the shielding cloth 21;
the end part of the telescopic rod 23 is fixedly connected with the inner wall of the first notch 2, and one end of the telescopic rod 23, which is far away from the inner wall of the first notch 2, is fixedly connected with the inner side of the shielding cloth 21;
the cushion block 24 is fixedly connected with the bottom of the machine body 1, and the cushion block 24 is used for increasing the height of the machine body 1;
the controller is used for controlling the operation of the parts in the liquid crystal large screen;
technical personnel install the liquid crystal large screen beside the expressway, and use the computer to transmit the network information to the organism 1 through the network sensor, the organism 1 shows the received network information through the liquid crystal screen 11, the network information can be the road section condition ahead, the weather condition or the advertisement, etc., so that the driver can obtain the information from the liquid crystal screen 11 to make corresponding measures; in the using process, the floor type intelligent liquid crystal large screen is easily influenced by surrounding environment conditions, and the floor type intelligent liquid crystal large screen can be damaged to different degrees, so that the service life of the floor type intelligent liquid crystal large screen is shortened.
The first embodiment is as follows:
when the outdoor environment is rainy or sunny, as shown in fig. 2, the controller controls the telescopic rod 23 to start, as the telescopic rod 23 is fixedly connected with the inner side of the shielding cloth 21, the telescopic rod 23 drives the shielding cloth 21 to extend outwards from the first notch 2, the shielding cloth 21 is elastic, the shielding cloth 21 is made of a rubber material, the rubber material is a thermoplastic elastomer, and the thermoplastic elastomer has the characteristics of high elasticity, aging resistance, high temperature resistance and the like of the traditional cross-linked vulcanized rubber, as shown in fig. 4, under the pushing of the telescopic rod 23, the shielding cloth 21 is unfolded above the machine body 1 to form a rectangle, the shielding cloth 21 is in a tight state, the width of the shielding cloth 21 is larger than the width of the liquid crystal screen 11 at the moment, and the projection area of the shielding cloth 21 in the vertical direction covers the liquid crystal screen 11, so that the shielding cloth 21 blocks rainwater and sunlight from irradiating the liquid crystal screen 11, the aging speed of the liquid crystal screen 11 due to the rainwater and the sunlight is slowed down, and the service life of the floor type intelligent liquid crystal screen is further prolonged; as shown in fig. 1, a cushion block 24 is fixedly connected to the bottom of the machine body 1, the cushion block 24 is made of an anti-corrosion metal material, such as a stainless steel alloy material, the cushion block 24 is fixedly connected to the ground through a nail, and the height of the floor type intelligent liquid crystal large screen is increased through the cushion block 24, so that water accumulation on the road surface in rainy days is reduced, the bottom of the floor type intelligent liquid crystal large screen is immersed in the accumulated water, and the internal damage of the floor type intelligent liquid crystal large screen is caused;
the movable plate 22 is rotatably connected with the inner wall of the first notch 2, a torsion spring is arranged at the rotating part, the telescopic rod 23 pushes the movable plate 22 to rotate and drives the shielding cloth 21 to extend outwards, as shown in fig. 4, the telescopic rod 23 divides the surface of the shielding cloth 21 into an upper surface and a lower surface, the bottom of the movable plate 22 is in contact with the surface of the shielding cloth 21, the cross section of the bottom of the movable plate 22 is triangular, and the inclined part of the triangle is far away from one side of the first notch 2; during the process of shielding rain and sun, sundries may fall on the upper surface of the shielding cloth 21, and therefore at night and when there is no rain, the controller controls the telescopic rod 23 to drive the shielding cloth 21 to retract into the first notch 2, in the process, the sundries with large particles automatically fall under the action of gravity, the torsion spring enables the bottom of the movable plate 22 to generate pressure on the shielding cloth 21, so that the bottom of the movable plate 22 scrapes the sundries with small particles, the phenomenon that the sundries remain on the surface of the shielding cloth 21 is reduced, when the shielding cloth 21 returns to the first notch 2 under the traction of the telescopic rod 23, the movable plate 22 closes the port of the first notch 2 under the action of gravity and the torsion spring, the movable plate 22 enables the shielding cloth 21 to be isolated from the external environment, and the phenomenon that the shielding cloth 21 is exposed outside for a long time and the external environment damages the surface of the shielding cloth 21 is reduced.
As an embodiment of the present invention, as shown in fig. 5, the cross-sectional shape of the end of the telescopic rod 23 contacting the shielding cloth 21 is a semicircle to reduce the damage of the end of the telescopic rod 23 to the inner side surface of the shielding cloth 21;
as shown in fig. 3 and 4, the water drainage slope of the upper surface of the blocking cloth 21 is set to 2% to 3% to accelerate the rainwater on the upper surface of the blocking cloth 21 to slide down rapidly;
in the invention, the end part of the telescopic rod 23 is fixedly connected with the shielding cloth 21, as shown in fig. 5, the cross section of the end part of the telescopic rod 23 is semicircular, and the semicircular arrangement is adopted to increase the contact area of the end part of the telescopic rod 23 and the inner side of the shielding cloth 21, and the shielding cloth 21 is driven by the telescopic rod 23 to extend outwards, so that the phenomenon that the end part of the telescopic rod 23 breaks the shielding cloth 21 is reduced, the result that the shielding cloth 21 cannot be unfolded above the machine body 1 is caused, rainwater or sunlight is directly contacted with the liquid crystal screen 11, and the service life of the landing type intelligent liquid crystal large screen is influenced;
as shown in fig. 3 and fig. 4, the surface of the shielding cloth 21 is divided into an upper surface and a lower surface by the telescopic rod 23, the telescopic rod 23 is obliquely and downwardly arranged in the first notch 2, the drainage gradient of the upper surface of the shielding cloth 21 is set to be 2% -3%, although the gradient is 1% capable of draining water, the 1% precision is too high to cause difficulty in operability, the situation lower than 1% may occur, the situation that the local water accumulation occurs on the upper surface of the shielding cloth 21 may occur when the slope is lower than 1%, and the projection area of the vertical direction of the shielding cloth 21 on the liquid crystal screen 11 may be affected when the slope is too large, so that the slope of the upper surface of the shielding cloth 21 is 2% -3% in a reasonable range, the effect of the liquid crystal screen 11 protected by the shielding cloth is further improved, and the abrasion of the floor type intelligent liquid crystal screen caused by external rain or sunlight is further reduced.
As an embodiment of the present invention, as shown in fig. 6 and fig. 7, a ventilation plate 3 is disposed on a side of the body 1 away from the liquid crystal panel 11, a vent hole 31 is disposed on a surface of the ventilation plate 3, the vent hole 31 is disposed to be inclined downward, a rain shield 32 is disposed between adjacent vent holes 31, and the rain shield 32 is fixedly connected to the ventilation plate 3;
as shown in fig. 8, a sponge pad 33 is disposed on the inner side of the ventilation board 3, and the sponge pad 33 is connected with the ventilation board 3 through a magic tape 331, so that the sponge pad 33 is detachably connected with the ventilation board 3;
the second embodiment is different from the first embodiment in that:
when the outdoor environment is rainy and windy, the ventilating plate 3 is installed on one side of the body 1 far away from the liquid crystal screen 11, as shown in fig. 8, a sponge cushion 33 is arranged on the inner side of the ventilating plate 3, and the surface of the ventilating plate 3 is uniformly provided with ventilating holes 31, when the air of the surrounding environment is wet by raining to the outside, and the air enters the body 1 through the ventilating holes 31, moisture in the air can be absorbed by the sponge cushion 33, so that the damage of parts in the body 1 in a wet environment is reduced, and the normal operation of the floor type intelligent liquid crystal large screen is ensured;
as shown in fig. 6, a rain shield 32 is disposed between adjacent ventilation holes 31, and the rain shield 32 is fixedly connected to the surface of the ventilation plate 3, the cross section of the rain shield 32 is fan-shaped, the ventilation holes 31 are covered by the rain shield 32, so that rainwater can slide downwards along the outer side of the machine body 1 and the outer side of the rain shield 32, the occurrence of the effect that the rainwater moves to the inner side of the machine body 1 along the ventilation holes 31 under the action of strong wind is reduced, and the soaking time of the sponge pad 33 is shortened; as shown in fig. 7, the vent hole 31 is arranged to be inclined downward, so that the included angle between the vent hole 31 and the vertical direction is 30-45 degrees, and thus the central axis of the vent hole 31 does not intersect with the inner wall of the rain shield 32, thereby reducing the occurrence of the situation that the inner wall of the rain shield 32 blocks the air blowing of the vent hole 31;
when the rain stops, the bottom of the ventilating plate 3 is connected with the surface of the machine body 1 through a hinge, the top of the ventilating plate 3 is connected with the surface of the machine body 1 through a lock catch, and when the lock catch is opened through a key, the bottom of the ventilating plate 3 can rotate around the surface of the machine body 1; and the sponge pad 33 and the inner side of the ventilation board 3 belong to a detachable connection, as shown in fig. 8, the sponge pad 33 and the ventilation board 3 are connected through a magic tape 331, the magic tape 331 is divided into a male magic tape 331 and a female magic tape 331, the male magic tape 331 is fixedly connected with the sponge pad 33, the female magic tape 331 is fixedly connected with the inner side of the ventilation board 3, a plurality of looped piles are woven on the inner surface of the male magic tape 331, a plurality of small hooks are woven on the inner side surface of the female magic tape 331, the male magic tape 331 is aligned with the female magic tape 331 and then slightly extruded, the looped piles are hooked by the hooks, so that the male magic tape 331 is connected with the female magic tape 331, and the sponge pad 33 is connected with the inner side of the ventilation board 3; after the ventilation board 3 is opened, the dried sponge mat 33 is replaced for use in the following rainy day, and the sponge mat 33 is replaced to be subjected to drying treatment so that the sponge mat 33 can be recycled.
As an embodiment of the present invention, as shown in fig. 9, a cavity 4 is formed inside the cushion block 24, an extension block 41 is slidably connected inside the cavity 4, a top of the extension block 41 is fixedly connected with a bottom of the machine body 1, and the extension block 41 is used for changing a height of the machine body 1 on the ground;
as shown in fig. 9, an expansion bag 42 is disposed at the bottom of the extension block 41, and the expansion bag 42 contains a water-absorbing material such as bentonite or super absorbent resin, and the expansion bag 42 is used for absorbing water and expanding to drive the extension block 41 to move upward;
as shown in fig. 9 and fig. 10, a cover plate 43 is rotatably connected to the bottom of the outer side of the cushion block 24, a circular hole 44 is formed in the cover plate 43, and the circular holes 44 are uniformly distributed on the cover plate 43;
the third embodiment is different from the first and second embodiments in that:
when the outdoor environment is raining for a long time, the bottom of the body 1 is fixedly connected with the top of the extension block 41, and the extension block 41 is connected with the inner wall of the top of the cavity 4 in a sliding and sealing manner, as shown in fig. 9, expansion bags 42 are uniformly distributed at the bottom of the extension block 41, the expansion bags 42 contain water-absorbing materials such as bentonite or super absorbent resin, and the like, and the bentonite or the super absorbent resin can absorb water which is hundreds to thousands of times of the self weight and can repeatedly release and absorb water; long-term rain causes the road surface to generate accumulated water, the accumulated water enters the cushion block 24 through the round hole 44 and contacts with the expansion bag 42, the expansion bag 42 increases the volume after absorbing water, the expansion bag 42 after absorbing water moves upwards in the cavity 4 by extruding the extension block 41, so that the extension block 41 drives the machine body 1 to move upwards, the height of the machine body 1 on the road surface is improved, the situation that the bottom of the machine body 1 is submerged in the accumulated water is reduced, the weight of the expansion bag 42 after absorbing water is increased, and the stability of the cushion block 24 in the accumulated water can be improved; after the accumulated water is removed, the expansion bag 42 in the cushion block 24 is taken out and replaced by rotating the cover plate 43, and the wet expansion bag 42 can be recycled after being dried, so that the accumulated water is reduced to enter the machine body 1 through the expansion bag 42 and the extension block 41, and the short circuit of parts of the machine body 1 is caused to cause fire, thereby influencing the normal use of the landing type intelligent liquid crystal large screen.
As an embodiment of the present invention, as shown in fig. 10, a filter screen 441 is fixedly connected to an inner wall of the circular hole 44, and the filter screen 441 is made of a waterproof and corrosion-resistant material, for example, the filter screen 441 is made of a stainless steel material;
as shown in fig. 9, a limiting groove 45 is formed in the inner wall of the cavity 4, and the side surface of the bottom of the extending block 41 is slidably connected in the limiting groove 45, so as to improve the stability of the extending block 41 moving up and down in the cavity 4;
in the invention, impurities with large particles possibly exist in accumulated water, the impurities enter the cavity 4 through the round hole 44 along with the fluctuation of water flow, when the expansion bag 42 absorbs water and expands, the expansion bag 42 drives the impurities to contact with the inner wall of the cavity 4, if the impurities have sharp edges such as stones, the hardness of the inner wall of the cavity 4 is greater than that of the stones, and the hardness of the stones is greater than that of the expansion bag 42, under the mutual extrusion effect, the stones can scratch the expansion bag 42 to cause the expansion bag 42 to break, so that the water absorbing material in the expansion bag 42 diffuses and flows out of the cushion block 24, as shown in fig. 10, therefore, the filter screen 441 is fixedly connected in the round hole 44, the situation that the impurities with large particles enter the cavity 4 to cause the expansion bag 42 to break is reduced, and the filter screen 441 is made of a waterproof and corrosion-resistant material, such as a steel material, so as to prolong the service life of the filter screen 441;
as shown in fig. 9, the inner walls of the two sides of the cavity 4 are provided with the limiting grooves 45, the side surfaces of the bottom of the extending block 41 are slidably connected in the limiting grooves 45, and the sliding range of the extending block 41 in the cavity 4 is limited by the limiting grooves 45, so that the phenomenon that the extending block 41 is deviated in the cavity 4 is reduced, and the upward movement stability of the machine body 1 is improved; therefore, the practicability of the cushion block 24 is further improved through the arrangement of the filter screen 441 and the limiting groove 45, and the strength of the floor type intelligent liquid crystal large screen protected by the cushion block 24 is enhanced.

Claims (10)

1. An intelligent high-speed roadside floor-type liquid crystal large screen based on the Internet of things is characterized in that,
the device comprises a machine body (1), wherein a liquid crystal screen (11) is arranged on the surface of the machine body (1), and the liquid crystal screen (11) is used for displaying weather, traffic or advertisement and other related information conditions;
the first notch (2) is formed in the top of the machine body (1), and is positioned on the same side with the liquid crystal screen (11) on the surface of the machine body (1);
the shielding cloth (21) is positioned at the port of the first notch (2), and the end part of the shielding cloth (21) is fixedly connected with the inner wall of the first notch (2);
the movable plate (22), the movable plate (22) is rotatably connected with the inner wall of the first notch (2) and is positioned on the outer side of the shielding cloth (21);
the end part of the telescopic rod (23) is fixedly connected with the inner wall of the first notch (2), and one end, far away from the inner wall of the first notch (2), of the telescopic rod (23) is fixedly connected with the inner side of the shielding cloth (21);
the cushion block (24), the cushion block (24) is fixedly connected with the bottom of the machine body (1), and the cushion block (24) is used for increasing the height of the machine body (1);
and the controller is used for controlling the operation of the parts in the liquid crystal large screen.
2. The intelligent expressway floor-type liquid crystal large screen based on the Internet of things as claimed in claim 1, wherein: the cross section of the end part of the telescopic rod (23) contacted with the shielding cloth (21) is semicircular.
3. The internet-of-things-based expressway floor type intelligent liquid crystal large screen as claimed in claim 2, wherein: the water drainage gradient of the upper surface of the shielding cloth (21) is set to be 2-3%.
4. The intelligent expressway floor-type liquid crystal large screen based on the Internet of things as claimed in claim 1, wherein: one side that LCD screen (11) was kept away from in organism (1) is provided with ventilating board (3), ventilation hole (31) have been seted up on ventilating board (3) surface, and are adjacent be provided with between ventilation hole (31) rain shade (32), rain shade (32) link firmly with ventilating board (3) mutually.
5. The internet-of-things-based expressway floor type intelligent liquid crystal large screen as claimed in claim 4, wherein: the inner side of the ventilation plate (3) is provided with a spongy cushion (33), and the spongy cushion (33) is connected with the ventilation plate (3) through a magic tape (331).
6. The intelligent expressway floor-type liquid crystal large screen based on the Internet of things as claimed in claim 1, wherein: the novel engine is characterized in that a cavity (4) is formed in the cushion block (24), an extension block (41) is connected to the interior of the cavity (4) in a sliding mode, and the top of the extension block (41) is fixedly connected with the bottom of the engine body (1).
7. The intelligent expressway floor-type liquid crystal large screen based on the Internet of things as claimed in claim 6, wherein: an expansion bag (42) is arranged at the bottom of the extension block (41), and the expansion bag (42) contains water absorbing materials such as bentonite or super absorbent resin.
8. The internet-of-things-based expressway floor type intelligent liquid crystal large screen as claimed in claim 7, wherein: the bottom of the outer side of the cushion block (24) is rotatably connected with a cover plate (43), and the cover plate (43) is provided with a round hole (44).
9. The internet-of-things-based expressway floor type intelligent liquid crystal large screen as claimed in claim 8, wherein: the inner wall of the round hole (44) is fixedly connected with a filter screen (441), and the filter screen (441) is made of a waterproof and corrosion-resistant material.
10. The internet-of-things-based expressway floor type intelligent liquid crystal large screen as claimed in claim 9, wherein: spacing groove (45) have been seted up to cavity (4) inner wall, just extension piece (41) bottom side sliding connection is in spacing groove (45).
CN202210806958.4A 2022-07-09 2022-07-09 Highway side floor-type intelligent liquid crystal large screen based on Internet of things Active CN115188287B (en)

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