CN114345836A

CN114345836A - Rolling dust removal equipment for eliminating surface charges of display screen through different charge phases

Info

Publication number: CN114345836A
Application number: CN202111442673.9A
Authority: CN
Inventors: 王福永
Original assignee: Pizhou Fenghuangshan Electromechanical Equipment Co ltd
Current assignee: Pizhou Fenghuangshan Electromechanical Equipment Co ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-04-15

Abstract

The invention relates to the technical field of display screen cleaning, and discloses rolling dust removal equipment for eliminating surface charges of a display screen in a different charge phase manner. This rolling dust collecting equipment of display screen surface charge is eliminated mutually to abnormal charge when removing to support body upper and lower both ends through the carriage, control contact disconnection or intercommunication respectively, the control motor is opened and close, makes the gyro wheel at the inside reciprocal roll of slide rail, reaches the effect of cleaing away display screen surface dust, rotates and centrifugal force and two spring force effects down through the carousel, and the rubber pole rotates the butt friction zone, produces the charge transfer, absorbs LCD screen surface positive charge, improve equipment's practicality.

Description

Rolling dust removal equipment for eliminating surface charges of display screen through different charge phases

Technical Field

The invention relates to the technical field of display screen cleaning, in particular to rolling dust removal equipment for eliminating surface charges of a display screen by using different charge phases.

Background

With the gradual improvement of the consumption living standard, a notebook computer, a plasma liquid crystal television and the like become necessities in daily life of people, when the television works, electrons emitted by an electron gun of a picture tube collide the surface of a fluorescent screen to generate, static electricity is accumulated on the surface of the fluorescent screen and can be discharged when people touch the fluorescent screen because glass and air are not conductive, and a lot of dust and lint can be accumulated on the surface of the display screen along with the charge accumulation and the electrostatic adsorption on the surface of the display screen, thereby causing great influence on the display effect of the liquid crystal display screen, the household display screen is cleaned after power failure, the surface of the liquid crystal display screen is cleaned to remove the adsorbed dust and lint, but the cleaning can be carried out after the power failure, the cleaning efficiency of the liquid crystal display screen is reduced, because a lot of positive charges are accumulated on the surface of the display screen during cleaning, when a hand holds a wet towel to touch the liquid crystal display screen, the electric shock condition is more obvious, the experience of the user is reduced.

In order to solve the above problems, the inventor provides a rolling dust removal device for eliminating surface charges of a display screen in a different charge phase, which respectively controls the disconnection or the connection of contacts when moving to the upper end and the lower end of a frame body through a sliding frame, controls a motor to be started and stopped, enables rollers to roll in a reciprocating manner inside a sliding rail, achieves the effect of eliminating the surface dust of the display screen, and rotates a rubber rod to abut against a friction belt under the action of rotation of a turntable, centrifugal force and two elastic forces of a spring to generate charge transfer, so that positive charges on the surface of the liquid crystal screen are absorbed, and the practicability of the device is improved.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides rolling dust removal equipment for eliminating the surface charges of a display screen by using different charges, which has the advantages of clearing the dust adsorbed on the surface of the display screen by self-circulation from top to bottom and removing the accumulated charges on the surface of the display screen based on the balance of the different charges, and solves the problem that the accumulated charges can shock the contact part of a user when the dust on the surface of the display screen needs to be cleaned after power failure and is cleaned.

(II) technical scheme

In order to achieve the purposes of clearing dust adsorbed on the surface of the display screen in an up-and-down self-circulation manner and removing accumulated charges on the surface of the display screen based on the offset of heterogeneous charges, the invention provides the following technical scheme: the utility model provides a rolling dust collecting equipment of display screen surface charge is eliminated to abnormal charge looks, includes the support body, the middle part joint of support body has the LCD screen, both ends fixedly connected with elevating system about the support body, elevating system's left end swing joint has control mechanism, elevating system's right-hand member swing joint has the electricity part that removes, the right-hand member fixedly connected with friction area of support body, the bottom fixedly connected with earth connection in friction area.

Preferably, the lifting mechanism comprises a slide rail, a roller, a rotating shaft and a cleaning roller, the roller is connected to the inside of the slide rail in a rolling manner, the rotating shaft is fixedly connected to the inside of the roller, and the cleaning roller is fixedly connected to the periphery of the middle of the rotating shaft.

Preferably, the slide rails are arranged in a central symmetry mode about the liquid crystal screen, the left side and the right side of the rotating shaft are fixedly connected with idler wheels, the cleaning roller is the same as the liquid crystal screen in length, and the rotating shaft rotates to drive the cleaning roller to rotate to clean the surface of the liquid crystal screen to adsorb dust.

Preferably, the control mechanism comprises a sliding frame, a limiting rotating rod, a limiting supporting rod, a first spring, a first roller, a first rotating rod, a first supporting block and a contact, the right side of the sliding frame is connected with the limiting rotating rod in a rotating mode, the limiting supporting rod is connected to the upper end and the lower end of the limiting rotating rod in a limiting mode, the left end of the limiting supporting rod is elastically connected with the first spring, the right end of the limiting supporting rod is connected with the roller in a rotating mode, the rotating rod is connected to the left side of the sliding frame in a rotating mode, the supporting rod is hinged to the upper end and the lower end of the rotating rod, one end, close to the center of the rotating rod, of the supporting rod is elastically connected with the first supporting block, and the left end of the sliding frame is fixedly connected with the contact.

Preferably, the rear end inside the sliding frame is rotatably connected with a rotating shaft, the sliding frame is connected to the left end of the frame body in a sliding manner, the upper end and the lower end of the limiting rotating rod are provided with grooves, the left end of the limiting supporting rod is elastically connected to the inner wall of the sliding frame, the supporting rod is in limiting connection inside the sliding frame, the supporting block is abutted against the inner wall of the sliding frame, the contacts are divided into two groups, one group is fixedly connected to the middle part of the first rotating rod, the other group is fixedly connected to the left end of the sliding frame, when the roller moves to the bottom end, the relative distance between the limiting supporting rods on the upper side and the lower side is changed through elastic force of a spring, the supporting rod is abutted on the left side of the limiting rotating rod, the contacts are communicated under the transmission of the first rotating rod, when the roller moves to the top end, the limiting supporting rods on the upper side and the lower side are relatively moved by virtue of the elastic force of the spring, and the transmission of the limiting rotating rod and the supporting rod is matched with the transmission of the limiting rotating rod to enable the rotating rod to be separated from the contact communication, thereby controlling the on-off of the motor.

Preferably, the electricity removal part comprises a fixing frame, a motor, a bevel gear set, a turntable, a second spring and a rubber rod, the motor is fixedly connected to the bottom end of the fixing frame, an output shaft of the motor is connected with the turntable through the bevel gear set in a transmission mode, and the inner wall of the turntable is elastically connected with the rubber rod through the second spring.

Preferably, the top of the fixing frame is rotatably connected with a rotating shaft, a gap exists between the periphery of the rotating disc and the inner wall of the frame body, an output shaft of the motor is connected with the rotating shaft through a bevel gear set in a transmission mode, the motor is electrically connected with the contact, the rotating disc is coaxial with a bevel gear at the top of the bevel gear set, the friction belt is made of a fur material, the bottom end of the grounding wire is grounded, the rotating disc drives the rubber rod to rotate to contact the friction belt through rotation of the rotating shaft, and triboelectrification generates negative electricity and attracts positive charges on the surface of the liquid crystal display screen, and the negative electricity and the positive charges are conducted to the ground through the grounding wire.

(III) advantageous effects

Compared with the prior art, the invention provides the rolling dust removal equipment for eliminating the surface charges of the display screen by the different charge phases, and the rolling dust removal equipment has the following beneficial effects:

1. the rolling dust removing equipment for eliminating the surface charges of the display screen by the different charges is characterized in that a rotating shaft is rotatably connected at the rear end inside a sliding frame, when the sliding frame moves downwards under the action of gravity, the rotating shaft drives a roller to rotate and descend inside a sliding rail along with the downward movement of the sliding frame, a cleaning roller synchronously rotates and cleans, when a roller at the lower side of the sliding frame moves to the bottom end, a limiting support rod at the upper side and the lower side relatively moves under the action of elastic force of a spring, so that the limiting rotating rod rotates leftwards to abut against a supporting rod, a contact is communicated under the transmission of the rotating rod, a motor is started at the moment, the rotating shaft rotates reversely under the transmission of a bevel gear set, the roller rotates upwards, when the roller at the upper side moves to the top end, the limiting support rod at the upper side and the lower side relatively move by virtue of the elastic force of the spring, the rotating rod rotates to be separated from the contact and communicated in cooperation with the transmission of the limiting rotating rod and the supporting rod, so as to control the opening and closing of the motor, thereby achieving the effect of automatically cleaning the surface dust on the display screen up and down, and power-off cleaning is not required.

2. This rolling dust collecting equipment of display screen surface charge is eliminated mutually to abnormal charge has the rubber pole through carousel inner wall elastic connection, and along with the rotation of axis of rotation, the carousel rotates in step, under two elastic action of centrifugal force and spring, the rubber pole rotates the butt friction zone, produces the charge transfer, and the peripheral negative charge of rubber pole absorbs LCD screen surface positive charge to reach and get rid of the effect of display screen surface accumulative total charge based on the counterbalance of xenogenesis charge, improve equipment's practicality.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic illustration of the cleaning of the present invention;

FIG. 3 is a schematic view of the structure of FIG. 1 taken at A-A in accordance with the present invention;

FIG. 4 is an enlarged view of the control mechanism of FIG. 1 in accordance with the present invention;

FIG. 5 is an enlarged view of the charge removing member shown in FIG. 1 according to the present invention.

In the figure: 1. a frame body; 2. a liquid crystal screen; 3. a lifting mechanism; 31. a slide rail; 32. a roller; 33. a rotating shaft; 34. a cleaning roller; 4. a control mechanism; 41. a carriage; 42. a limiting rotating rod; 43. a limit strut; 44. a first spring; 45. a roller; 46. a first rotating rod; 47. a support rod; 48. a resisting block; 49. a contact; 5. a static elimination member; 51. a fixed mount; 52. a motor; 53. a set of bevel teeth; 54. a turntable; 55. a second spring; 56. a rubber rod; 6. a friction belt; 7. and a ground line.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows:

referring to fig. 1, 2 and 4, a rolling dust removing device for eliminating surface charges of a display screen by using different charges comprises a frame body 1, a liquid crystal screen 2 is clamped in the middle of the frame body 1, lifting mechanisms 3 are fixedly connected to the left end and the right end of the frame body 1, each lifting mechanism 3 comprises a sliding rail 31, a roller 32, a rotating shaft 33 and a cleaning roller 34, the rollers 32 are connected to the inner portions of the sliding rails 31 in a rolling manner, the rotating shafts 33 are fixedly connected to the inner portions of the rollers 32, the cleaning rollers 34 are fixedly connected to the outer periphery of the middle portions of the rotating shafts 33, the sliding rails 31 are symmetrically arranged around the center of the liquid crystal screen 2, the rollers 32 are fixedly connected to the left side and the right side of the rotating shafts 33, the cleaning rollers 34 are the same as the liquid crystal screen 2 in length, the cleaning rollers 34 are driven to rotate through the rotating shafts 33 to clean the surface of the liquid crystal screen 2 to adsorb dust, a control mechanism 4 is movably connected to the left end of the lifting mechanism 3, and the control mechanism 4 comprises a sliding frame 41, A limit rotating rod 42, a limit supporting rod 43, a first spring 44, a roller 45, a first rotating rod 46, a resisting rod 47, a resisting block 48 and a contact 49, wherein the right side of the sliding frame 41 is rotatably connected with the limit rotating rod 42, the upper end and the lower end of the limit rotating rod 42 are in limit connection with the limit supporting rod 43, the left end of the limit supporting rod 43 is elastically connected with the first spring 44, the right end of the limit supporting rod 43 is rotatably connected with the roller 45, the left side of the sliding frame 41 is rotatably connected with the first rotating rod 46, the upper end and the lower end of the first rotating rod 46 are hinged with the resisting rod 47, one end of the resisting rod 47 close to the center of the first rotating rod 46 is elastically connected with the resisting block 48, the left end of the sliding frame 41 is fixedly connected with the contact 49, the rear end inside the sliding frame 41 is rotatably connected with a rotating shaft 33, the sliding frame 41 is slidably connected with the left end of the frame 1, the upper end and the lower end of the limit rotating rod 42 are provided with grooves, the left end of the limit rotating rod 43 is elastically connected with the inner wall of the sliding frame 41, the resisting rod 47 is in limit connection inside the sliding frame 41, the abutting blocks 48 abut against the inner wall of the sliding frame 41, the contacts 49 are divided into two groups, one group is fixedly connected to the middle of the first rotating rod 46, the other group is fixedly connected to the left end of the sliding frame 41, when the roller 45 moves to the bottom end, the relative distance between the upper limiting supporting rod 43 and the lower limiting supporting rod 43 is changed through the elastic force of the first spring 44, the left side of the limiting rotating rod 42 abuts against the abutting rod 47, the contacts 49 are communicated under the transmission of the first rotating rod 46, when the roller 45 moves to the top end, the upper limiting supporting rod 43 and the lower limiting supporting rod 43 move relatively by means of the elastic force of the first spring 44, the first rotating rod 46 is rotated to be separated from the communication of the contacts 49 in cooperation with the transmission of the limiting rotating rod 42 and the abutting rod 47, the opening and closing of the motor 52 are further controlled, the right end of the lifting mechanism 3 is movably connected with the electricity removing part 5, the right end of the frame body 1 is fixedly connected with the friction belt 6, and the bottom end of the friction belt 6 is fixedly connected with the grounding wire 7.

Example two:

referring to fig. 1, 3 and 5, a rolling dust removing device for eliminating surface charges of a display screen by using different charges comprises a frame body 1, a liquid crystal screen 2 is clamped in the middle of the frame body 1, lifting mechanisms 3 are fixedly connected to the left end and the right end of the frame body 1, a control mechanism 4 is movably connected to the left end of each lifting mechanism 3, a charge eliminating part 5 is movably connected to the right end of each lifting mechanism 3, each charge eliminating part 5 comprises a fixed frame 51, a motor 52, a conical tooth group 53, a rotating disc 54, a spring two 55 and a rubber rod 56, the bottom end of the fixed frame 51 is fixedly connected with the motor 52, an output shaft of the motor 52 is in transmission connection with the rotating disc 54 through the conical tooth group 53, the inner wall of the rotating disc 54 is elastically connected with the rubber rod 56 through the spring two 55, the top of the fixed frame 51 is in rotation connection with a rotating shaft 33, a gap exists between the periphery of the rotating disc 54 and the inner wall of the frame body 1, the output shaft of the motor 52 is in transmission connection with the rotating shaft 33 through the conical tooth group 53, the motor 52 is electrically connected with the contact 49, the rotating disc 54 is coaxial with the bevel gear at the top of the bevel gear group 53, the friction belt 6 is made of fur material, the bottom end of the grounding wire 7 is grounded, the rotating disc 54 drives the rubber rod 56 to rotate to contact with the friction belt 6 through the rotation of the rotating shaft 33, the friction electrification generates negative electricity and attracts positive charge on the surface of the liquid crystal screen 2, the negative electricity is conducted to the ground through the grounding wire 7, the friction belt 6 is fixedly connected to the right end of the frame body 1, and the bottom end of the friction belt 6 is fixedly connected with the grounding wire 7.

Example three:

referring to fig. 1-5, a rolling dust removing device for eliminating surface charges of a display screen by using different charges comprises a frame body 1, a liquid crystal screen 2 is clamped in the middle of the frame body 1, lifting mechanisms 3 are fixedly connected to the left end and the right end of the frame body 1, each lifting mechanism 3 comprises a sliding rail 31, a roller 32, a rotating shaft 33 and a cleaning roller 34, the rollers 32 are connected to the inner portions of the sliding rails 31 in a rolling manner, the rotating shafts 33 are fixedly connected to the inner portions of the rollers 32, the cleaning rollers 34 are fixedly connected to the outer periphery of the middle of the rotating shafts 33, the sliding rails 31 are symmetrically arranged about the center of the liquid crystal screen 2, the rollers 32 are fixedly connected to the left side and the right side of the rotating shafts 33, the cleaning rollers 34 are the same as the liquid crystal screen 2 in length, the cleaning rollers 34 are driven to rotate through the rotating shafts 33 to clean the surface of the liquid crystal screen 2 to adsorb dust, a control mechanism 4 is movably connected to the left end of the lifting mechanism 3, and the control mechanism 4 comprises a sliding frame 41, A limit rotating rod 42, a limit supporting rod 43, a first spring 44, a roller 45, a first rotating rod 46, a resisting rod 47, a resisting block 48 and a contact 49, wherein the right side of the sliding frame 41 is rotatably connected with the limit rotating rod 42, the upper end and the lower end of the limit rotating rod 42 are in limit connection with the limit supporting rod 43, the left end of the limit supporting rod 43 is elastically connected with the first spring 44, the right end of the limit supporting rod 43 is rotatably connected with the roller 45, the left side of the sliding frame 41 is rotatably connected with the first rotating rod 46, the upper end and the lower end of the first rotating rod 46 are hinged with the resisting rod 47, one end of the resisting rod 47 close to the center of the first rotating rod 46 is elastically connected with the resisting block 48, the left end of the sliding frame 41 is fixedly connected with the contact 49, the rear end inside the sliding frame 41 is rotatably connected with a rotating shaft 33, the sliding frame 41 is slidably connected with the left end of the frame 1, the upper end and the lower end of the limit rotating rod 42 are provided with grooves, the left end of the limit rotating rod 43 is elastically connected with the inner wall of the sliding frame 41, the resisting rod 47 is in limit connection inside the sliding frame 41, the resisting block 48 is connected with the inner wall of the sliding frame 41, the contacts 49 are divided into two groups, one group is fixedly connected with the middle part of the first rotating rod 46, the other group is fixedly connected with the left end of the sliding frame 41, when the roller 45 moves to the bottom end, the relative distance between the upper limiting supporting rod 43 and the lower limiting supporting rod 43 is changed through the elastic force of the first spring 44, the left side of the limiting rotating rod 42 is connected with the resisting rod 47 in a resisting way, the contacts 49 are communicated under the transmission of the first rotating rod 46, when the roller 45 moves to the top end, the upper limiting supporting rod 43 and the lower limiting supporting rod 43 move relatively by the elastic force of the first spring 44, the first rotating rod 46 is rotated to be separated from the communication of the contacts 49 in cooperation with the transmission of the limiting rotating rod 42 and the resisting rod 47, the opening and closing of the motor 52 are further controlled, the right end of the lifting mechanism 3 is movably connected with the electricity removing part 5, the electricity removing part 5 comprises a fixed frame 51, a motor 52, a conical tooth group 53, a rotary table 54, a spring two 55, a rubber rod 56, and a motor 52 is fixedly connected with the bottom end of the fixed frame 51, the output shaft of the motor 52 is connected with a rotating disc 54 through a bevel gear group 53 in a transmission manner, the inner wall of the rotating disc 54 is elastically connected with a rubber rod 56 through a spring II 55, the top of the fixing frame 51 is rotatably connected with a rotating shaft 33, a gap exists between the periphery of the rotating disc 54 and the inner wall of the frame body 1, the output shaft of the motor 52 is connected with the rotating shaft 33 through the bevel gear group 53 in a transmission manner, the motor 52 is electrically connected with the contact 49, the rotating disc 54 and the bevel gear at the top of the bevel gear group 53 are coaxial, the friction belt 6 is made of a fur material, the bottom end of the grounding wire 7 is grounded, the rotating disc 54 drives the rubber rod 56 to rotate to contact with the friction belt 6 through the rotation of the rotating shaft 33, friction electrification generates negative electricity and attracts positive charges on the surface of the liquid crystal screen 2 and is conducted to the ground through the grounding wire 7, the friction belt 6 is fixedly connected to the right end of the frame body 1, and the bottom end of the friction belt 6 is fixedly connected with the grounding wire 7.

The working process and principle are as follows: when the liquid crystal screen 2 is cleaned, the equipment is started, the action of the gravity of the control mechanism 4 and the electricity removing part 5 is controlled, at the moment, the roller 45 on the lower side of the sliding frame 41 is arranged at the bottom end, because the left end of the limit supporting rod 43 is elastically connected with the first spring 44, the limit supporting rods 43 on the upper side and the lower side move relatively under the action of the elastic force of the first spring 44, the limit rotating rod 42 rotates leftwards to abut against the abutting rod 47, the contact 49 is communicated under the transmission of the first rotating rod 46, at the moment, the motor 52 is started, the rotating shaft 33 rotates reversely under the transmission of the bevel gear group 53, the roller 32 rotates upwards, the cleaning roller 34 rotates on the surface of the liquid crystal screen 2 to remove dust under the transmission of the rotating shaft 33, when the roller 45 on the upper side of the sliding frame 41 moves to the top end, the limit supporting rods 43 on the upper side and the lower side move relatively by virtue of the elastic force of the first spring 44, the rotating rod 42 and the transmission of the abutting rod 47 enable the rotating rod 46 to rotate to disengage from the contact 49 to be communicated, and further control the on and on the on-off of the motor 52, reach the effect of upper and lower self-loopa clear away display screen surface dust, it is clean to need not the outage, it is coaxial based on carousel 54 and the bevel gear of bevel gear group 53 top bevel gear, along with the rotation of axis of rotation 33, carousel 54 rotates in step, because carousel 54 inner wall elastic connection has rubber pole 56, under centrifugal force and two 55 elastic actions of spring, rubber pole 56 rotates butt friction band 6, produce the charge transfer, the peripheral negative charge of rubber pole 56 absorbs 2 surperficial positive charges of LCD screen, because 6 bottom fixedly connected with earth connection 7 of friction band, produce the charge and conduct to ground via earth connection 7, reach the effect of getting rid of display screen surface accumulated charge based on the xenogenesis charge counterbalance, improve equipment's practicality.

In summary, the rolling dust removing device for eliminating the surface charges of the display screen by the different charges is characterized in that the rotating shaft 33 is rotatably connected with the rear end inside the sliding frame 41, when the sliding frame 41 moves downwards under the action of gravity, the rotating shaft 33 drives the roller 32 to rotate and descend inside the sliding rail 31 along with the downward movement of the sliding frame 41, the cleaning roller 34 synchronously rotates and cleans, when the roller 45 on the lower side of the sliding frame 41 moves to the bottom end, the limiting support rods 43 on the upper side and the lower side move relatively under the action of the elastic force of the first spring 44, the limiting rotating rod 42 rotates leftwards to abut against the abutting rod 47, the contact 49 is communicated under the action of the first rotating rod 46, the motor 52 starts, the rotating shaft 33 rotates reversely under the action of the bevel gear set 53, the roller 32 rotates upwards, when the roller 45 on the upper side moves to the top end, the limiting support rods 43 on the upper side and the lower side move relatively by the elastic force of the first spring 44, the rotating rod 42 and the abutting rod 47 are matched to enable the rotating rod 46 to rotate to separate from the contact 49, and then the opening and closing of the motor 52 are controlled, so that the effect of cleaning dust on the surface of the display screen in an up-and-down self-circulation manner is achieved, and power-off cleaning is not needed.

And, this rolling dust collecting equipment of display screen surface charge is eliminated to abnormal charge looks has rubber pole 56 through carousel 54 inner wall elastic connection, along with the rotation of axis of rotation 33, carousel 54 rotates in step, under centrifugal force and the effect of spring two 55 elasticity, rubber pole 56 rotates butt friction band 6, produces the charge transfer, and the peripheral negative charge of rubber pole 56 absorbs liquid crystal display screen 2 surface positive charges to reach and get rid of the effect of display screen surface accumulative charge based on the counterbalance of xenogenesis charge, improve equipment's practicality.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a rolling dust collecting equipment of display screen surface charge is eliminated to different electric charge looks, includes support body (1), its characterized in that: the middle part joint of support body (1) has LCD screen (2), both ends fixedly connected with elevating system (3) about support body (1), the left end swing joint of elevating system (3) has control mechanism (4), the right-hand member swing joint of elevating system (3) removes electric component (5), the right-hand member fixedly connected with friction area (6) of support body (1), the bottom fixedly connected with earth connection (7) of friction area (6).

2. The rolling dust removing device for eliminating the surface charges of the display screen by the hetero-charged phases as claimed in claim 1, wherein: elevating system (3) include slide rail (31), gyro wheel (32), axis of rotation (33), cleaning roller (34), the inside roll connection of slide rail (31) has gyro wheel (32), the inside fixedly connected with axis of rotation (33) of gyro wheel (32), the peripheral fixedly connected with cleaning roller (34) in middle part of axis of rotation (33).

3. The rolling dust removing device for eliminating the surface charges of the display screen by the hetero-charge phase according to claim 1 or 2, wherein: the sliding rails (31) are arranged in a central symmetry mode about the liquid crystal screen (2), the left side and the right side of the rotating shaft (33) are fixedly connected with idler wheels (32), and the cleaning rollers (34) are the same as the liquid crystal screen (2) in length.

4. The rolling dust removing device for eliminating the surface charges of the display screen by the hetero-charged phases as claimed in claim 1, wherein: the control mechanism (4) comprises a sliding frame (41), a limit rotating rod (42), a limit supporting rod (43), a first spring (44), a roller (45), a first rotating rod (46), a resisting rod (47), a resisting block (48) and a contact (49), the right side of the sliding frame (41) is rotatably connected with a limiting rotating rod (42), the upper end and the lower end of the limiting rotating rod (42) are connected with a limiting support rod (43) in a limiting way, the left end of the limit support rod (43) is elastically connected with a first spring (44), the right end of the limit support rod (43) is rotatably connected with a roller (45), the left side of the sliding frame (41) is rotatably connected with a first rotating rod (46), the upper end and the lower end of the first rotating rod (46) are hinged with a resisting rod (47), one end of the abutting rod (47) close to the center of the first rotating rod (46) is elastically connected with an abutting block (48), and the left end of the sliding frame (41) is fixedly connected with a contact (49).

5. A rolling dust-removing device for eliminating the surface charge of a display screen by using the hetero-charge phase as claimed in claim 1, 2 or 4, wherein: the inside rear end of carriage (41) is rotated and is connected with axis of rotation (33), carriage (41) sliding connection is at the left end of support body (1), the upper and lower both ends of spacing bull stick (42) are seted up slottedly, the left end elastic connection of spacing branch (43) is at the inner wall of carriage (41), support the inside of pole (47) spacing connection at carriage (41), support the inner wall of piece (48) butt at carriage (41), contact (49) divide into two sets ofly, and a set of fixed connection is at the middle part of bull stick (46), and another component fixed connection is at the left end of carriage (41).

6. The rolling dust removing device for eliminating the surface charges of the display screen by the hetero-charged phases as claimed in claim 1, wherein: the electricity removal component (5) comprises a fixing frame (51), a motor (52), a conical tooth group (53), a turntable (54), a second spring (55) and a rubber rod (56), the bottom end of the fixing frame (51) is fixedly connected with the motor (52), an output shaft of the motor (52) is connected with the turntable (54) through the conical tooth group (53) in a transmission mode, and the inner wall of the turntable (54) is elastically connected with the rubber rod (56) through the second spring (55).

7. A rolling dust-removing device for eliminating the surface charge of a display screen by the hetero-charge phase according to claim 1, 2, 4 or 6, characterized in that: the top of the fixed frame (51) is rotatably connected with a rotating shaft (33), a gap exists between the periphery of the rotating disc (54) and the inner wall of the frame body (1), an output shaft of the motor (52) is connected with the rotating shaft (33) through a bevel gear set (53) in a transmission manner, the motor (52) is electrically connected with the contact (49), the rotating disc (54) and a bevel gear at the top of the bevel gear set (53) are coaxial, the friction belt (6) is made of a fur material, and the bottom end of the grounding wire (7) is grounded.