Background technology
There is a large amount of dust in the surrounding enviroment of our life, and display device, as televisor, computer monitor etc., its display module is exposed in the air, and the inclination angle of display module itself and the static of generation are adsorbed on the viewing area with airborne dust, if dust is cumulative, will influence the sharpness of demonstration, and then influence viewing effect, therefore, be necessary the display module of display device is regularly cleaned.
But display device in the market is mostly based on flat panel display equipments such as LCD, plasma displays, and this kind equipment is fragile, pay particular attention to during cleaning, at present, for the dedusting of display device with dustproof following two kinds of methods are arranged:
One is to use detersive and Cleaning cloth scrub to remove, wherein detersive can not be selected mobile very good liquid for use, otherwise flowing in the display device, liquid might cause scrapping of display device, and cleaning cloth is preferably selected the ultrafine fiber cleaning wiping cloth for use, and in the process of wiping, can not exert oneself very much, also will keep away manual-free as far as possible and touch, adopt this mode, couple of days will clean once, very trouble.
Two are to use dust cover to cover, when not using display device dust cover is covered on the display device, and when using display device, dust cover must be taken off again, the dust cover that takes off needs the place of collection, this has caused certain trouble to the user in the use, and for covering, display device goes up the heat radiation that dust cover can influence display device immediately after closing display device, in order to be beneficial to the display device heat radiation, cover dust cover for it again after needing to wait for the display device cooling, this has just caused certain trouble to the user again, and when adopting this mode, in order to reach the good dust-proof effect, close display device at every turn and all will cover dust cover, also bother very much.
Embodiment
The utility model aims to provide a kind of display with dust guard, and the dust guard in the described display with dust guard is easy to use, is convenient to collection.
Below in conjunction with accompanying drawing and embodiment the utility model is described in detail.
As shown in Figure 1, a specific embodiment for the display that the utlity model has dust guard, in the present embodiment, described display with dust guard comprises housing 1, display module 2 is housed in housing 1, the viewing area 21 of display module 2 is exposed in the front portion of housing 1, parallel first spool 3 and second spool 4 of being provided with in the inside of housing 1.Wherein, first spool 3 is near the upper side edge setting of the display module 2 of housing 1 inside, second spool 4 is near the lower side setting of the display module 2 of housing 1 inside, first spool 3 is connected with first driver element (not shown), second spool 4 is connected with second driver element (not shown), described first driver element is used to drive first spool 3 and rotates, and described second driver element is used to drive second spool 4 and rotates.
On first spool 3, be wound with two traction fibers at interval, with view over against display module 2, two traction fibers that are wrapped on first spool 3 are respectively left traction fiber 5 and right traction fiber 6, view from Fig. 1 demonstration, left side traction fiber 5 and right traction fiber 6 overlap, left side traction fiber 5 is via the limit, left side of display module 2, and right traction fiber 6 is via the right edge of display module 2, and is wound on second spool 4.
Be provided with dustproof shade 7 between left traction fiber 5 and right traction fiber 6, under state shown in Figure 1, dustproof shade 7 volumes are located on first spool 3.
Rotate by described first drive unit drives, first spool 3, and by 4 rotations of described second drive unit drives, second spool, first spool 3 and second spool 4 rotate drive traction fiber 5 and 6 and open or roll, thereby driving dustproof shade 7 by traction fiber 5 and 6 opens or rolls, and because traction fiber 5 and 6 corresponding respectively limit, left side and right edge place process by display module 2, therefore dustproof shade 7 viewing area 21 that can cover display module 2, thereby be viewing area 21 blocks dust of display module 2, with the viewing area 21 of frequent wiping display module 2 with frequently add a cover dust cover and compare for display, dust guard in the described display with dust guard is easy to use, and is convenient to collection.
In the present embodiment, as shown in Figure 2, near the upper side edge of the housing 1 of first spool 3 and along the length direction of this upper side edge, be provided with slit 81.As shown in Figure 3, be provided with through hole 91 in the lower side both sides near the housing 1 of second spool 4, from the view that Fig. 3 shows, described two through holes 91 overlap.A left side traction fiber 5 and right traction fiber 6 pass from slit 81 respectively, along the outside surface of housing 1 left side wall and right side wall, pass through hole 91 and volume is located on second spool 4.Because left traction fiber 5 and right traction fiber 6 are exposed to the outside of housing 1, therefore when dustproof shade 7 needs to clean or changes, can easily take off from traction fiber 5 and 6.In addition, dustproof shade 7 also can be selected different materials and pattern for use according to user's hobby.
As shown in Figure 4, in other embodiment of the present utility model, be equipped with the groove that extends along the length direction of described these two relative sides in the left side wall of housing 1 and right side wall, and the opening of described two grooves is relative, groove shown in Figure 4 is the groove 17 in the left side wall.As shown in Figure 5, near the upper side edge of the housing 1 of first spool 3 and along the length direction of this upper side edge, be provided with half slit 82, and the left end of half slit 82 is connected with groove 17.As shown in Figure 6, be provided with half through hole 92 in lower side both sides, and the left end of half through hole 92 is connected with groove 17 near the housing 1 of second spool 4.From the view that Fig. 6 shows, described two and half through holes 92 overlap.
Wherein, left side traction fiber 5 is installed with in the groove 17 on left side wall, right traction fiber 6 is installed with in the groove on right side wall, at this moment, described traction fiber 5 and 6 passes from half slit 82 respectively, and the groove in housing 1 left side wall and the right side wall, passes half through hole 92 and volume and is located on second spool 4, promptly in these other embodiment, left traction fiber 5 and right traction fiber 6 are hidden in the housing 1.Left traction fiber 5 and right traction fiber 6 are hidden in the described groove, not only can avoid left traction fiber 5 and right traction fiber 6 to be damaged, and more attractive in appearance.
Get back to first embodiment of the present utility model this moment, and in the present embodiment, described first driver element and second driver element have following several implementation.
First kind of implementation:
Referring to shown in Figure 1, first driver element comprises first motor that links to each other with first spool 3, and the control part that links to each other with first motor; Comprise second motor that links to each other with second spool 4 in second driver element, and described second motor links to each other with described control part also.When closing or opening described display with dust guard, dustproof shade 7 can be opened or roll automatically, does not need user's manual intervention, uses convenient.
The process that dustproof shade 7 is opened automatically or rolled is: after closing described display with dust guard, described control part detects shutdown signal, and send the instruction of opening dustproof shade 7 according to this shutdown signal, described first motor and second motor begin to rotate counterclockwise after receiving instruction, the rotating counterclockwise of described each motor drives first spool 3 respectively and second spool 4 rotates counterclockwise, therefore traction fiber 5 and 6 breaks away from first spool 3 gradually, and twist in gradually on second spool 4, during this, dustproof shade 7 is followed traction fiber 5 and 6 and is opened gradually, and finally rest on the place ahead of display module 2, for display module 2 covers dust; And after opening described display with dust guard, the process of rolling dustproof shade 7 is opposite with said process.
Second kind of implementation:
Described first driver element is a torsion spring, and an end of described torsion spring links to each other with first spool 3, and the other end links to each other with described housing; Described second driver element comprises the motor that links to each other with second spool 4, and the control part that is connected with described motor.When closing or opening described display with dust guard, dustproof shade 7 can be opened or roll automatically, does not need user's manual intervention, and adopts this implementation can also reduce employed number of motors, saves cost.
Wherein, first spool 3 is a driven shaft, and second spool 4 is a main drive shaft.After closing described display with dust guard, described control part detects shutdown signal, and send the instruction of opening dustproof shade 7 according to this shutdown signal, the motor that links to each other with second spool 4 is received and is begun to drive second spool 4 after the instruction and rotate counterclockwise, and drive first spool 3 by traction fiber 5 and 6 and rotate counterclockwise, thereby the dustproof shade 7 that will be wrapped on first spool 3 is opened, and in this process, described torsion spring deforms and gathers deformation energy; After opening described display with dust guard, described control part detects opening signal, and send the instruction of opening dustproof shade 7 according to this opening signal, the motor that links to each other with second spool 4 is received and is begun to drive second spool 4 after the instruction and clockwise rotate, meanwhile, described torsion spring recovers distortion and drives first spool 3 to clockwise rotate, thereby dustproof shade 7 is rolled.
The third implementation:
Described first driver element comprises the first manual portion that links to each other with first spool 3, and the described first manual portion is for linking to each other with first spool 3 and stretching out first hand-operated rocker arm of housing 1 outside; Described second driver element comprises the second manual portion that links to each other with second spool 4, and the described second manual portion is for linking to each other with second spool 4 and stretching out second hand-operated rocker arm of housing 1 outside.This implementation can be when motor-driven breaks down, and manual unlocking or roll dustproof shade 7 is convenient, flexible.
After closing described display with dust guard, driving second spool 4 by described second hand-operated rocker arm is rotated counterclockwise, and drive first spool 3 by traction fiber 5 and 6 and rotate counterclockwise, thereby the dustproof shade 7 that will be wrapped on first spool 3 is opened, at this moment, second spool 4 is a main drive shaft, and first spool 3 is a driven shaft; Before opening described display with dust guard, driving first spool 3 by described first hand-operated rocker arm turns clockwise, and drive second spool 4 by traction fiber 5 and 6 and clockwise rotate, thereby the dustproof shade 7 that will cover display module 2 is rolled, at this moment, first spool 3 is a main drive shaft, and second spool 4 is a driven shaft.
What in the present embodiment, described first driver element and second driver element adopted is first kind of implementation.Include control part in this implementation, as shown in Figure 7, described control part mainly comprises central processing module 10, electric motor starting/stopping modular 11 and detection module 12.
Central processing module 10 links to each other with the power switch 13 of the display that has dust guard described in the present embodiment, when power switch 13 disconnects, central processing module 10 receives cut-off signal, determine that described display with dust guard closes, therefore the instruction of sending starter motor for electric motor starting/stopping modular 11, electric motor starting/stopping modular 11 promptly starts described each motor coiling traction fiber 5 and 6 after receiving instruction, to open dustproof shade 7, when detecting dustproof shade 7, opens when putting in place detection module 12, the signal feedback that will put in place is given central processing module 10, and central processing module 10 instructs electric motor starting/stopping modular 11 to stop the rotation of described motor again; Otherwise the control sequence when power switch 13 is connected is opposite with said process.
As shown in Figure 8, for reaching testing goal, described detection module 12 in the present embodiment comprises two light sensors, a described light sensor that wherein is located at the upper side edge place of display module 2 is a top light dependent sensor 14, another another described light sensor that is located at the lower side place of display module 2 is a bottom light dependent sensor 15, and top light dependent sensor 14 and bottom light dependent sensor 15 all are positioned on the mobile route of dustproof shade 7.Be specially, top light dependent sensor 14 is arranged in the housing 1 of display module 2 tops, and is positioned at the below of slit 8, and bottom light dependent sensor 15 is arranged in the housing 1 of display module 2 belows, and is positioned at the top of through hole 9.In the process of opening dustproof shade 7, when dustproof shade 7 blocked bottom light dependent sensor 15, detection module 12 detected dustproof shade 7 and opens and put in place, and detection signal is passed to central processing module 10 so that take next step action; In the process of rolling dustproof shade 7, when dustproof shade 7 left top light dependent sensor 14, pick-up unit 12 detected dustproof shade 7 and rolls and put in place, also detection signal is passed to central processing module 10 so that take next step action.
Owing to do not need to twine dustproof shade 7 on second spool 4, so as a kind of improvement to present embodiment, second spool 4 in the present embodiment is split as two minor axis, and described two minor axises are symmetrical arranged, look from the front of display module 2, one of them minor axis is arranged on the lower left of housing 1 inside, traction fiber 5 volumes are located on this minor axis, another minor axis then is arranged on the lower right of housing 1 inside, traction fiber 6 volume is located on this minor axis, and described two minor axises also correspondence be connected with two motors.Preferred mode is identical for described two minor axises and described two motors all are made as, and can make traction fiber 5 keep identical linear velocity with 6 like this, thereby it is crooked to avoid dustproof shade 7 to take place in the process of motion.
As shown in Figure 9, as to another kind of improvement the of the present utility model, also be provided with winding slot 16 on each spool in the present embodiment, winding slot 16 can avoid traction fiber 5 and 6 to depart from both allocations with in traction fiber 5 and the 6 restrictions accommodation space thereon.
Need to prove, in other embodiment of the present utility model, described first spool and second spool also can be separately positioned on the left side wall and the right side wall place of described housing, and like this, described structure with display of dust guard also will be made corresponding change thereupon.
The above; it only is embodiment of the present utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; can expect easily changing or replacing, all should be encompassed within the protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the described protection domain of claim.