CN111028722A - Low temperature environment liquid crystal display protection device - Google Patents
Low temperature environment liquid crystal display protection device Download PDFInfo
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- CN111028722A CN111028722A CN202010007075.8A CN202010007075A CN111028722A CN 111028722 A CN111028722 A CN 111028722A CN 202010007075 A CN202010007075 A CN 202010007075A CN 111028722 A CN111028722 A CN 111028722A
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000011521 glass Substances 0.000 claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims description 22
- 230000006835 compression Effects 0.000 claims description 12
- 238000007906 compression Methods 0.000 claims description 12
- 238000000926 separation method Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 238000007790 scraping Methods 0.000 claims 1
- 238000005485 electric heating Methods 0.000 abstract description 9
- 230000033001 locomotion Effects 0.000 abstract description 8
- 238000013021 overheating Methods 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000035924 thermogenesis Effects 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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- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Thermal Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses a low-temperature environment liquid crystal display screen protection device; comprises a main body box, a display screen cavity which is communicated from front to back is arranged in the main body box, a cover plate corresponding to the display screen cavity is hinged on the rear end surface of the main body box, a pull ring cavity with an upward opening and positioned at the upper side of the display screen cavity is arranged in the main body box, a pull ring is connected in the pull ring cavity in a sliding fit manner, a glass panel is fixedly connected in the display screen cavity, the temperature is sensed through a zero point trigger cavity, when the temperature is lower than 0 ℃, the second gear is engaged and the electric heating net is automatically started, when the temperature is raised, the electric heating net is automatically closed, the energy is saved, when the electric heating net is started, the fan rotates to enable the display screen to be uniformly heated in the display screen cavity, the damage to the display screen caused by the overheating of the bottom is prevented, the water drops preheated and condensed on the front end surface of the glass panel are discharged through the water discharge pipe through the left-right reciprocating motion of the left-right scraper and the up-down reciprocating motion of the up-down scraper, so that the glass panel is prevented from being frozen while the water drops are prevented from influencing the display.
Description
Technical Field
The invention relates to the technical field of image display, in particular to a low-temperature environment liquid crystal display screen protection device.
Background
The minimum 0 degree that is of liquid crystal display's use temperature, be less than 0 degree and can lead to unable demonstration permanent damage even, present low temperature resistant LCD screen is the reinforcing display effect more than 0 degree mostly, can't guarantee the normal operating below 0 degree and expensive, lack the low temperature protection device to liquid crystal display, simultaneously when LCD screen low temperature work, because the work thermogenesis, can lead to the last steam that condenses of front panel, influence the life of LCD screen when influencing the display effect.
Disclosure of Invention
Aiming at the technical defects, the invention provides a low-temperature environment liquid crystal display screen protection device which can overcome the defects.
The invention relates to a low-temperature environment liquid crystal display screen protection device which comprises a main body box, wherein a display screen cavity which is communicated from front to back is arranged in the main body box, a cover plate which corresponds to the display screen cavity is hinged to the rear end face of the main body box, a pull ring cavity which is positioned on the upper side of the display screen cavity and has an upward opening is arranged in the main body box, a pull ring is connected in the pull ring cavity in a sliding fit manner, a glass panel is fixedly connected in the display screen cavity, a water outlet is fixedly connected on the right end face of the main body box, a chain wheel cavity is arranged on the lower side of the display screen cavity, a moving rod through cavity which is communicated with the display screen cavity and is positioned on the front side of the display screen cavity is communicated on the upper side of the chain wheel cavity, rack cavities are symmetrically communicated on the left side and the right side of the chain wheel cavity, a wire wheel power cavity is communicated on the front, sprocket chamber downside is equipped with the pulley drive chamber, pulley drive chamber rear side is equipped with zero point and triggers the chamber, pulley drive chamber upside is equipped with and is located the separation and reunion chamber of sprocket chamber rear side, separation and reunion chamber upside be equipped with upwards with the fan chamber of display screen chamber intercommunication, separation and reunion chamber downside be equipped with main part case fixed connection's motor, motor up end fixedly connected with runs through the sprocket chamber extremely the driving shaft of fan intracavity, the fan intracavity be equipped with driving shaft fixed connection's fan, still fixedly connected with is located in the fan intracavity the electric heat net of fan upside, fan chamber right side is equipped with apron locking mechanical system.
On the basis of the technical scheme, the clutch cavity comprises a first gear, the first gear is positioned in the clutch cavity and fixedly connected with the driving shaft, a first driven shaft which extends upwards and is positioned at the front side of the driving shaft is connected with the bottom wall of the clutch cavity in a rotating fit manner, a second driven shaft which is in spline fit connection with the first driven shaft is arranged in the clutch cavity, a push plate is fixedly connected with the second driven shaft, a second gear which is fixedly connected with the tail end of the upper side of the second driven shaft and can be meshed with the first gear is arranged on the upper side of the push plate, an extension spring is fixedly connected between the bottom end surface of the second driven shaft and the bottom wall of the clutch cavity, a third driven shaft which extends upwards into the clutch cavity and downwards extends into the belt wheel transmission cavity is further in a rotating fit manner in the bottom wall of the clutch cavity, and the third driven shaft is positioned at the front side of, and a third gear which is fixedly connected with the tail end of the upper side of the third driven shaft and can be meshed with the second gear is arranged in the clutch cavity.
On the basis of the technical scheme, the chain wheel cavity comprises a fourth driven shaft, the fourth driven shaft is bilaterally connected with the bottom end wall of the chain wheel cavity in a rotating fit manner and extends upwards into the chain wheel cavity, a chain wheel fixedly connected with the fourth driven shaft is arranged in the chain wheel cavity, a chain is connected to the chain wheel in a power fit manner, a rotating block is fixedly connected to the upper end surface of the chain, a sliding frame positioned on the upper side of the chain is connected in the chain wheel cavity in a sliding fit manner, a rotating block sliding cavity penetrating up and down is arranged in the sliding frame, the rotating block is connected with the rotating block sliding cavity in a sliding fit manner, a moving rod extending upwards and penetrating through the moving rod through cavity and abutted against the top end wall of the display screen cavity is fixedly connected to the upper end surface of the sliding frame, and left and right end surfaces of the moving rod are fixedly connected with, terminal surface fixedly connected with can about the sliding frame with the rack that rack chamber sliding fit is connected, the right side the fourth driven shaft downwardly extending extends to in the pulley drive intracavity.
On the basis of the technical scheme, the belt wheel transmission cavity comprises a first belt wheel, the first belt wheel is located in the belt wheel transmission cavity and is fixedly connected with the right side of the lower end of the fourth driven shaft, a second belt wheel fixedly connected with the lower end of the third driven shaft is further arranged in the belt wheel transmission cavity, and a transmission belt is connected between the second belt wheel and the first belt wheel in a power fit mode.
On the basis of the technical scheme, the power cavity of the wire wheel comprises a fifth driven shaft, the fifth driven shaft is connected with the bottom end face of the power cavity of the wire wheel in a rotating fit manner and extends upwards, a fourth gear fixedly connected with the tail end of the upper side of the fifth driven shaft is arranged in the power cavity of the wire wheel and can be meshed with the rack, a sixth driven shaft which is positioned at the front side of the fifth driven shaft and extends upwards is further connected in the bottom end wall of the power cavity of the wire wheel in a rotating fit manner, a first bevel gear fixedly connected with the tail end of the upper side of the sixth driven shaft is arranged in the power cavity of the wire wheel, a fifth gear fixedly connected with the sixth driven shaft and meshed with the fourth gear is arranged at the lower side of the first bevel gear, a seventh driven shaft extending inwards is connected with the outer end wall of the power cavity of the wire wheel in a rotating fit manner, and, and the tail end of the inner side of the seventh driven shaft is fixedly connected with a second bevel gear meshed with the seventh driven shaft.
On the basis of the technical scheme, the wire wheel rotating cavity comprises a wire wheel rotating shaft, the wire wheel rotating shaft is connected with the outer end wall of the wire wheel rotating cavity in a rotating fit manner and extends inwards, a second wire wheel fixedly connected with the wire wheel rotating shaft is arranged in the wire wheel rotating cavity, a spiral spring is fixedly connected between the inner end surface of the wire wheel rotating shaft and the inner end wall of the wire wheel rotating cavity, the second wire wheel is fixedly connected with a first pull rope, an upper scraper and a lower scraper which are bilaterally symmetrical and positioned outside the movable rod are arranged in the display screen cavity, the other end of the first pull rope is fixedly connected with the upper end faces of the upper and lower scrapers, a drain pipe positioned right below the upper and lower scrapers is communicated with the lower side of the display screen cavity, the other end of the drain pipe is communicated with the water outlet, the lower end faces of the upper scraper and the lower scraper are fixedly connected with a second pull rope, and the other end of the second pull rope is fixedly connected with the first reel.
On the basis of the technical scheme, the cover plate locking mechanism comprises a magnet attraction cavity, the magnet attraction cavity is located at the rear side of the fan cavity and is open backwards, a magnet sliding cavity is formed in the lower side of the magnet attraction cavity in a communicated mode, a first magnet is connected in the magnet sliding cavity in a sliding fit mode, the bottom end face of the first magnet is fixedly connected with a first compression spring between the bottom end walls of the magnet sliding cavity, the bottom end face of the first magnet is fixedly connected with a third pull rope, the other end of the third pull rope is fixedly connected with the lower end face of the pull ring, and the front end face of the cover plate is fixedly connected with a second magnet corresponding to the magnet attraction cavity.
On the basis of the technical scheme, the zero point trigger cavity comprises a floating plate, the floating plate is located in the zero point trigger cavity and is connected with the zero point trigger cavity in a sliding fit mode, the zero point trigger cavity right wall is internally and fixedly connected with a contact switch on the upper side of the floating plate, the upper end face of the floating plate is fixedly connected with a second compression spring between the upper end walls of the zero point trigger cavity, the upper end face of the floating plate is also fixedly connected with a fourth pull rope, and the other end of the fourth pull rope is fixedly connected with the lower end face of a second driven shaft.
The invention has the beneficial effects that: trigger the chamber induction temperature through zero point, second gear engagement and electric heat net automatic start when the temperature is less than 0 degree, self-closing when the temperature risees, the energy can be saved, the fan rotates when starting and makes the display screen be heated evenly in the display screen intracavity, prevent that the bottom from damaging the display screen by overheat, the up-and-down reciprocating motion of reciprocating motion and upper and lower scraper blade about through the scraper blade is with glass panels preceding terminal surface preheat the condensation drop of water and pass through the drain pipe discharge, prevent that the drop of water from preventing when influence shows that glass panels from freezing.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a low temperature environment LCD protection device according to the present invention;
FIG. 2 is a schematic sectional view taken along the line A-A in FIG. 1;
FIG. 3 is a schematic sectional view taken along line B-B in FIG. 1;
FIG. 4 is an enlarged view of the structure at C in FIG. 1;
FIG. 5 is an enlarged view of the structure of FIG. 2 at D;
fig. 6 is an enlarged schematic view of fig. 2 at E.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
The invention will now be described in detail with reference to fig. 1-6, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
As shown in fig. 1-6, the low temperature environment liquid crystal display protection device of the present invention comprises a main body box 10, a display screen cavity 19 which is through from front to back is arranged in the main body box 10, a cover plate 20 corresponding to the display screen cavity 19 is hinged on the rear end face of the main body box 10, a pull ring cavity 18 which is positioned on the upper side of the display screen cavity 19 and has an upward opening is arranged in the main body box 10, a pull ring 17 is connected in the pull ring cavity 18 in a sliding fit manner, a glass panel 16 is fixedly connected in the display screen cavity 19, a water outlet 11 is fixedly connected on the right end face of the main body box 10, a sprocket cavity 67 is arranged on the lower side of the display screen cavity 19, a moving rod through cavity 71 which is communicated with the display screen cavity 19 upward and is positioned on the front side of the display screen cavity 19 is communicated with the upper side of the sprocket cavity 67, rack cavities 42 are symmetrically communicated with the left and right sides, a power wheel cavity, a reel rotation cavity 47 which is positioned in the main body box 10 and is positioned on the upper side of the display screen cavity 19 is arranged on the upper side of the reel power cavity 39, a belt wheel transmission cavity 29 is arranged on the lower side of the chain wheel cavity 67, a zero point trigger cavity 26 is arranged on the rear side of the belt wheel transmission cavity 29, the upper side of the belt wheel transmission cavity 29 is provided with a clutch cavity 57 positioned at the rear side of the chain wheel cavity 67, the upper side of the clutch cavity 57 is provided with a fan cavity 60 which is upwards communicated with the display screen cavity 19, a motor 22 fixedly connected with the main body box 10 is arranged at the lower side of the clutch cavity 57, a driving shaft 59 penetrating through the chain wheel cavity 67 to the fan cavity 60 is fixedly connected with the upper end surface of the motor 22, a fan 61 fixedly connected with the driving shaft 59 is arranged in the fan cavity 60, an electric heating net 21 positioned on the upper side of the fan 61 is also fixedly connected in the fan cavity 60, and a cover plate locking mechanism is arranged on the right side of the fan cavity 60; the motor 22 is started to drive the driving shaft 59 to rotate, so as to drive the fan 61 to rotate, and heat generated by the electric heating net 21 is sent into the display screen cavity 19, so that the display screen in the display screen cavity 19 is uniformly heated.
In addition, in one embodiment, the clutch cavity 57 includes a first gear 58, the first gear 58 is located in the clutch cavity 57 and fixedly connected to the driving shaft 59, a first driven shaft 54 extending upward and located in front of the driving shaft 59 is rotationally coupled to a bottom end wall of the clutch cavity 57, a second driven shaft 52 spline-coupled to the first driven shaft 54 is located in the clutch cavity 57, a push plate 56 is fixedly connected to the second driven shaft 52, a second gear 51 fixedly connected to an upper end of the second driven shaft 52 and engageable with the first gear 58 is located on an upper side of the push plate 56, an extension spring 55 is fixedly connected between a bottom end surface of the second driven shaft 52 and the bottom end wall of the clutch cavity 57, and a third driven shaft 50 extending upward into the clutch cavity 57 and downward into the pulley driving cavity 29 is further rotationally coupled to the bottom end wall of the clutch cavity 57, the third driven shaft 50 is positioned at the front side of the first driven shaft 54, and a third gear 49 which is fixedly connected with the tail end of the upper side of the third driven shaft 50 and can be meshed with the second gear 51 is arranged in the clutch cavity 57; the extension spring 55 pushes the push plate 56 to move upward, so as to drive the second driven shaft 52 and the second gear 51 to move upward, so that the second gear 51 is meshed with the third gear 49 and the first gear 58, the driving shaft 59 rotates to drive the first gear 58 to rotate, and the third gear 49 is driven to rotate by the second gear 51, so as to drive the third driven shaft 50 to rotate.
In addition, in one embodiment, the chain wheel cavity 67 includes a fourth driven shaft 70, the fourth driven shaft 70 is symmetrically connected with the bottom wall of the chain wheel cavity 67 in a left-right manner and extends upwards into the chain wheel cavity 67, a chain wheel 69 fixedly connected with the fourth driven shaft 70 is arranged in the chain wheel cavity 67, a chain 68 is connected with the chain wheel 69 in a power fit manner, a rotating block 31 is fixedly connected with the upper end surface of the chain 68, a sliding frame 33 positioned on the upper side of the chain 68 is connected with the chain cavity 67 in a sliding fit manner, a rotating block sliding cavity 32 penetrating up and down is arranged in the sliding frame 33, the rotating block 31 is connected with the rotating block sliding cavity 32 in a sliding fit manner, a moving rod 14 extending upwards through the moving rod through cavity 71 and abutting against the top end wall of the display screen cavity 19 is fixedly connected with the upper end surface of the sliding frame 33, left and right end surfaces of the moving rod 14 are fixedly connected with left and right scrapers 15 abutting against the front end surface of the glass panel, the left end face and the right end face of the sliding frame 33 are fixedly connected with a rack 43 which can be connected with the rack cavity 42 in a sliding fit manner, and the right fourth driven shaft 70 extends downwards into the belt wheel transmission cavity 29; the fourth driven shaft 70 on the right side rotates to drive the chain 68 to rotate through the chain wheel 69, so as to drive the rotating block 31 to rotate, so that the sliding frame 33 reciprocates left and right in the chain wheel cavity 67, and the moving rod 14 and the left and right scrapers 15 are driven to reciprocate left and right.
In addition, in one embodiment, the pulley transmission cavity 29 includes a first pulley 30, the first pulley 30 is located in the pulley transmission cavity 29 and is fixedly connected with the lower end of the fourth driven shaft 70 on the right side, a second pulley 27 fixedly connected with the lower end of the third driven shaft 50 is further located in the pulley transmission cavity 29, and a transmission belt 28 is connected between the second pulley 27 and the first pulley 30 in a power fit manner; the third driven shaft 50 rotates to drive the first pulley 30 to rotate through the transmission belt 28, so as to drive the fourth driven shaft 70 on the right side to rotate.
In addition, in one embodiment, the pulley power cavity 39 includes a fifth driven shaft 40, the fifth driven shaft 40 is connected with the bottom end surface of the pulley power cavity 39 in a rotating fit manner and extends upward, a fourth gear 41 fixedly connected with the upper end of the fifth driven shaft 40 is arranged in the pulley power cavity 39, the fourth gear 41 can be meshed with the rack 43, a sixth driven shaft 35 which is positioned in front of the fifth driven shaft 40 and extends upward is further connected in the bottom end wall of the pulley power cavity 39 in a rotating fit manner, a first bevel gear 34 fixedly connected with the upper end of the sixth driven shaft 35 is arranged in the pulley power cavity 39, a fifth gear 73 fixedly connected with the sixth driven shaft 35 and meshed with the fourth gear 41 is arranged on the lower side of the first bevel gear 34, a seventh driven shaft 38 extending inward is connected in an outer end wall of the pulley power cavity 39 in a rotating fit manner, a first wire wheel 37 is fixedly connected to the seventh driven shaft 38, and a second bevel gear 36 engaged with the seventh driven shaft 38 is fixedly connected to the inner end of the seventh driven shaft 38; the rack 43 moves outward to drive the fourth gear 41 to rotate, so as to drive the fifth gear 73 to rotate, the fifth gear 73 rotates to drive the first bevel gear 34 and the sixth driven shaft 35 to rotate, and the first bevel gear 34 rotates to drive the first spool 37 to rotate through the second bevel gear 36 and the seventh driven shaft 38.
In addition, in one embodiment, the pulley rotation cavity 47 includes a pulley rotation shaft 46, the pulley rotation shaft 46 is connected with the outer end wall of the pulley rotation cavity 47 in a rotating fit manner and extends inward, a second pulley 45 fixedly connected with the pulley rotation shaft 46 is arranged in the pulley rotation cavity 47, a coil spring 44 is fixedly connected between the inner end surface of the pulley rotation shaft 46 and the inner end wall of the pulley rotation cavity 47, a first pull rope 48 is fixedly connected to the second pulley 45, upper and lower scrapers 72 which are bilaterally symmetrical and positioned outside the moving rod 14 are arranged in the display screen cavity 19, the other end of the first pull rope 48 is fixedly connected with the upper end surface of the upper and lower scrapers 72, a drain pipe 12 positioned right below the upper and lower scrapers 72 is communicated with the lower side of the display screen cavity 19, the other end of the drain pipe 12 is communicated with the water outlet 11, and a second pull rope 13 is fixedly, the other end of the second pull rope 13 is fixedly connected with the first wire wheel 37; the first pulley 37 rotates to drive the upper scraper 72 and the lower scraper 72 to move downward against the elastic force of the spiral spring 44 through the second pull rope 13, when the rack 43 moves inward, the first pulley 37 is driven to rotate reversely, the second pulley 45 and the pulley rotating shaft 46 rotate reversely under the elastic force of the spiral spring 44, and therefore the upper scraper 72 and the lower scraper 72 are driven to move upward through the first pull rope 48.
In addition, in one embodiment, the cover plate locking mechanism includes a magnet attracting cavity 74, the magnet attracting cavity 74 is located at the rear side of the fan cavity 60 and is opened backwards, a magnet sliding cavity 64 is communicated with the lower side of the magnet attracting cavity 74, a first magnet 62 is connected in the magnet sliding cavity 64 in a sliding fit manner, a first compression spring 63 is fixedly connected between the bottom end face of the first magnet 62 and the bottom end wall of the magnet sliding cavity 64, a third pull rope 65 is further fixedly connected to the bottom end face of the first magnet 62, the other end of the third pull rope 65 is fixedly connected to the lower end face of the pull ring 17, a second magnet 66 corresponding to the magnet attracting cavity 74 is fixedly connected to the front end face of the cover plate 20, the second magnet 66 is magnetically attracted to the first magnet 62, and the pull ring 17 drives the first magnet 62 to move downwards to be completely located in the magnet sliding cavity 64 by overcoming the pushing force of the first compression spring 63 through the third pull rope 65 when moving upwards .
In addition, in one embodiment, the zero point trigger cavity 26 includes a floating plate 25, the floating plate 25 is located in the zero point trigger cavity 26 and is connected with the zero point trigger cavity 26 in a sliding fit manner, a contact switch 24 located on the upper side of the floating plate 25 is fixedly connected in the right wall of the zero point trigger cavity 26, a second compression spring 23 is fixedly connected between the upper end surface of the floating plate 25 and the upper end wall of the zero point trigger cavity 26, a fourth pull rope 53 is further fixedly connected to the upper end surface of the floating plate 25, and the other end of the fourth pull rope 53 is fixedly connected with the lower end surface of the second driven shaft 52; the elasticity of the second compression spring 23 is larger than that of the extension spring 55, the floating plate 25 will start the electric heating net 21 when contacting with the contact switch 24, the floating plate 25 rises to release the fourth pull rope 53, so that the push plate 56 rises under the thrust of the extension spring 55.
The applicant will now specifically describe a low ambient temperature liquid crystal display protection device of the present application with reference to fig. 1-6 and the above description:
in an initial state, the spiral spring 44 is in a relaxed state, the upper end face of the upper scraper 72 and the lower scraper 72 are abutted with the upper end wall of the display screen cavity 19, water in the zero point trigger cavity 26 is in a liquid state, the second compression spring 23 is in a relaxed state, the extension spring 55 is in a compressed state, the second gear 51 is positioned at the lower sides of the third gear 49 and the first gear 58, the cover plate 20 is in a closed state, the first compression spring 63 is in a relaxed state, and the first magnet 62 is partially positioned in the first magnet 62;
when the work is started, the pull ring 17 is pulled to drive the first magnet 62 to move downwards until the first magnet is completely positioned in the magnet sliding cavity 64, the cover plate 20 is not limited by the suction force, the cover plate 20 is opened, a display to be protected is placed in the display screen cavity 19, and the cover plate 20 is closed;
the motor is started to drive the fan 61 to rotate, when the external temperature is lower than zero, the frozen volume of the water in the zero point trigger cavity 26 is increased, the floating plate 25 is driven to overcome the thrust of the second compression spring 23 to move upwards and contact with the contact switch 24, the electric heating net 21 is started, the fan 61 rotates to send the heat generated by the electric heating net 21 into the display screen cavity 19, the upward movement of the floating plate 25 brings the second gear 51 into engagement with the third gear 49, the first gear 58, thereby driving the rack 43 and the left and right scrapers 15 to start reciprocating motion, the left and right scrapers 15 and the moving rod 14 to reciprocate to brush the water vapor on the front end surface of the glass panel 16 to the left and right sides, when the rack 43 moves to the left and right sides to be meshed with the fourth gear 41, the upper scraper 72 and the lower scraper 72 are driven to move downwards, water drops on the left and right sides are brushed into the drain pipe 12 and then are discharged through the drain port 11, and the front end face of the glass panel 16 is prevented from being frozen;
when the room temperature is higher than zero, the floating plate 25 descends under the thrust of the second compression spring 23, the electric heating net 21 is closed and the second gear 51 is disengaged.
The invention has the beneficial effects that: trigger the chamber induction temperature through zero point, second gear engagement and electric heat net automatic start when the temperature is less than 0 degree, self-closing when the temperature risees, the energy can be saved, the fan rotates when starting and makes the display screen be heated evenly in the display screen intracavity, prevent that the bottom from damaging the display screen by overheat, the up-and-down reciprocating motion of reciprocating motion and upper and lower scraper blade about through the scraper blade is with glass panels preceding terminal surface preheat the condensation drop of water and pass through the drain pipe discharge, prevent that the drop of water from preventing when influence shows that glass panels from freezing.
The above description is only an embodiment of the invention, but the scope of the invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the invention. Therefore, the protection scope of the invention should be subject to the protection scope defined by the claims.
Claims (8)
1. The utility model provides a low temperature environment liquid crystal display protection device, includes the main part case, its characterized in that: the display screen box is internally provided with a display screen cavity which is communicated from front to back, the rear end face of the main box is hinged with a cover plate corresponding to the display screen cavity, the main box is internally provided with a pull ring cavity which is positioned at the upper side of the display screen cavity and has an upward opening, the pull ring cavity is connected with a pull ring in a sliding fit manner, the display screen cavity is fixedly connected with a glass panel, the right end face of the main box is fixedly connected with a water outlet, the lower side of the display screen cavity is provided with a chain wheel cavity, the upper side of the chain wheel cavity is communicated with a movable rod through cavity which is communicated with the display screen cavity upwards and is positioned at the front side of the display screen cavity, the left side and the right side of the chain wheel cavity are symmetrically communicated with a rack cavity, the front side of the rack cavity is communicated with a wire wheel power cavity, the upper side of the wire wheel power cavity is provided with a, pulley transmission chamber rear side is equipped with the zero point and triggers the chamber, pulley transmission chamber upside is equipped with and is located the separation and reunion chamber of sprocket chamber rear side, separation and reunion chamber upside be equipped with make progress with the fan chamber of display screen chamber intercommunication, separation and reunion chamber downside be equipped with main part case fixed connection's motor, motor up end fixedly connected with runs through the sprocket chamber extremely the driving shaft of fan intracavity, the fan intracavity be equipped with driving shaft fixed connection's fan, still fixedly connected with is located in the fan intracavity the electric heat net of fan upside, fan chamber right side is equipped with apron locking mechanical system.
2. The apparatus of claim 1, wherein the apparatus further comprises: the clutch cavity comprises a first gear, the first gear is positioned in the clutch cavity and fixedly connected with the driving shaft, a first driven shaft which extends upwards and is positioned at the front side of the driving shaft is connected with the bottom wall of the clutch cavity in a rotating fit manner, a second driven shaft which is in spline fit connection with the first driven shaft is arranged in the clutch cavity, a push plate is fixedly connected onto the second driven shaft, a second gear which is fixedly connected with the tail end of the upper side of the second driven shaft and can be meshed with the first gear is arranged on the upper side of the push plate, an extension spring is fixedly connected between the bottom end face of the second driven shaft and the bottom wall of the clutch cavity, a third driven shaft which extends upwards into the clutch cavity and extends downwards into the belt wheel transmission cavity is further in the bottom wall of the clutch cavity in a rotating fit manner, and the third driven shaft is positioned at the front side of the, and a third gear which is fixedly connected with the tail end of the upper side of the third driven shaft and can be meshed with the second gear is arranged in the clutch cavity.
3. The apparatus of claim 1, wherein the apparatus further comprises: the chain wheel cavity comprises a fourth driven shaft, the fourth driven shaft is bilaterally and symmetrically connected with the bottom end wall of the chain wheel cavity in a rotating fit manner and extends upwards into the chain wheel cavity, a chain wheel fixedly connected with the fourth driven shaft is arranged in the chain wheel cavity, a chain is connected to the chain wheel in a power fit manner, a rotating block is fixedly connected to the upper end face of the chain, a sliding frame positioned on the upper side of the chain is connected to the chain wheel cavity in a sliding fit manner, a rotating block sliding cavity penetrating up and down is arranged in the sliding frame, the rotating block is connected with the rotating block sliding cavity in a sliding fit manner, a moving rod extending upwards through the moving rod through cavity and abutted against the top end wall of the display screen cavity is fixedly connected to the upper end face of the sliding frame, left and right end faces of the moving rod are fixedly connected with left and right scraping plates abutted against the front end face of the glass panel backwards, and racks capable, the fourth driven shaft on the right side extends downwards into the belt wheel transmission cavity.
4. The apparatus of claim 1, wherein the apparatus further comprises: the belt wheel transmission cavity comprises a first belt wheel, the first belt wheel is located in the belt wheel transmission cavity and is fixedly connected with the right side of the lower end of the fourth driven shaft, a second belt wheel fixedly connected with the lower end of the third driven shaft is further arranged in the belt wheel transmission cavity, and a transmission belt is connected between the second belt wheel and the first belt wheel in a power fit mode.
5. The apparatus of claim 1, wherein the apparatus further comprises: the power cavity of the wire wheel comprises a fifth driven shaft which is connected with the bottom end surface of the power cavity of the wire wheel in a rotating fit manner and extends upwards, a fourth gear fixedly connected with the tail end of the upper side of the fifth driven shaft is arranged in the power cavity of the wire wheel, the fourth gear can be meshed with the rack, a sixth driven shaft which is positioned at the front side of the fifth driven shaft and extends upwards is also connected in the bottom end wall of the power cavity of the wire wheel in a rotating matching manner, a first bevel gear fixedly connected with the tail end of the upper side of the sixth driven shaft is arranged in the power cavity of the wire wheel, the lower side of the first bevel gear is arranged on a fifth gear which is fixedly connected with the sixth driven shaft and is meshed with the fourth gear, the inner side end of the power cavity of the wire wheel is fixedly connected with a second bevel gear which is meshed with the first bevel gear.
6. The apparatus of claim 1, wherein the apparatus further comprises: the wire wheel rotary cavity comprises a wire wheel rotary shaft which is connected with the outer end wall of the wire wheel rotary cavity in a rotating fit manner and extends inwards, a second wire wheel fixedly connected with the wire wheel rotating shaft is arranged in the wire wheel rotating cavity, a spiral spring is fixedly connected between the inner end surface of the wire wheel rotating shaft and the inner end wall of the wire wheel rotating cavity, the second wire wheel is fixedly connected with a first pull rope, an upper scraper and a lower scraper which are bilaterally symmetrical and positioned outside the movable rod are arranged in the display screen cavity, the other end of the first pull rope is fixedly connected with the upper end faces of the upper and lower scrapers, a drain pipe positioned right below the upper and lower scrapers is communicated with the lower side of the display screen cavity, the other end of the drain pipe is communicated with the water outlet, the lower end faces of the upper scraper and the lower scraper are fixedly connected with a second pull rope, and the other end of the second pull rope is fixedly connected with the first reel.
7. The apparatus of claim 1, wherein the apparatus further comprises: the cover plate locking mechanism comprises a magnet attraction cavity, the magnet attraction cavity is located on the rear side of the fan cavity and is opened backwards, a magnet sliding cavity is communicated with the lower side of the magnet attraction cavity, a first magnet is connected in the magnet sliding cavity in a sliding fit mode, the bottom end face of the first magnet is fixedly connected with a first compression spring between the bottom end walls of the magnet sliding cavity, the bottom end face of the first magnet is fixedly connected with a third pull rope, the other end of the third pull rope is fixedly connected with the lower end face of the pull ring, and the front end face of the cover plate is fixedly connected with a second magnet corresponding to the magnet attraction cavity.
8. The apparatus of claim 1, wherein the apparatus further comprises: trigger the chamber at zero point and include the kickboard, the kickboard is located trigger the intracavity at zero point and with trigger the chamber sliding fit connection at zero point, the fixedly connected with is located in triggering the chamber right wall at zero point the contact switch of kickboard upside, the kickboard up end with fixedly connected with second compression spring between the chamber upper end wall at zero point, the kickboard up end still fixedly connected with fourth stay cord, the fourth stay cord other end with terminal surface fixed connection under the second driven shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010007075.8A CN111028722A (en) | 2020-01-03 | 2020-01-03 | Low temperature environment liquid crystal display protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010007075.8A CN111028722A (en) | 2020-01-03 | 2020-01-03 | Low temperature environment liquid crystal display protection device |
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| Publication Number | Publication Date |
|---|---|
| CN111028722A true CN111028722A (en) | 2020-04-17 |
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ID=70198646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010007075.8A Withdrawn CN111028722A (en) | 2020-01-03 | 2020-01-03 | Low temperature environment liquid crystal display protection device |
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| Country | Link |
|---|---|
| CN (1) | CN111028722A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112054709A (en) * | 2020-09-21 | 2020-12-08 | 浙江稳山电气科技有限公司 | Three-phase four-leg inverter with water seepage prevention mechanism |
| CN112584639A (en) * | 2020-12-21 | 2021-03-30 | 南京斯特孚贸易有限公司 | Communication cabinet with automatic cleaning function for desert |
| CN113347826A (en) * | 2021-05-28 | 2021-09-03 | 杭州首瑞科技有限公司 | Photoelectric integrated box |
-
2020
- 2020-01-03 CN CN202010007075.8A patent/CN111028722A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112054709A (en) * | 2020-09-21 | 2020-12-08 | 浙江稳山电气科技有限公司 | Three-phase four-leg inverter with water seepage prevention mechanism |
| CN112054709B (en) * | 2020-09-21 | 2021-07-27 | 浙江稳山电气科技有限公司 | Three-phase four-leg inverter with water seepage prevention mechanism |
| CN112584639A (en) * | 2020-12-21 | 2021-03-30 | 南京斯特孚贸易有限公司 | Communication cabinet with automatic cleaning function for desert |
| CN113347826A (en) * | 2021-05-28 | 2021-09-03 | 杭州首瑞科技有限公司 | Photoelectric integrated box |
| CN113347826B (en) * | 2021-05-28 | 2022-06-24 | 杭州首瑞科技有限公司 | Photoelectric integrated box |
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Effective date of registration: 20200525 Address after: No.13, linshenyuan, wengchuanyuan village, fenkou Town, Chun'an County, Hangzhou City, Zhejiang Province Applicant after: Ye Xiaolu Address before: 311600 room 205, No. 161, Hutian, huangnitun village, Xin'anjiang street, Jiande City, Hangzhou City, Zhejiang Province Applicant before: Jiande Luorong Technology Co., Ltd |
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Application publication date: 20200417 |