CN203480201U - Static electricity elimination and internal dust removal system for rear projection screen - Google Patents
Static electricity elimination and internal dust removal system for rear projection screen Download PDFInfo
- Publication number
- CN203480201U CN203480201U CN201320538079.4U CN201320538079U CN203480201U CN 203480201 U CN203480201 U CN 203480201U CN 201320538079 U CN201320538079 U CN 201320538079U CN 203480201 U CN203480201 U CN 203480201U
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- ion wind
- projection screen
- switch contact
- wind gun
- ion
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Abstract
A static electricity elimination and internal dust removal system for a rear projection screen relates to a rear projection screen display system. The system comprises a projection screen, a projection box body, an upper belt, a lower belt, an upper track, a lower track, an upper motor, a lower motor, an upper left switch contact piece, an upper right switch contact piece, a lower left switch contact piece, a lower right switch contact piece, an upper ion blower gun, a lower ion blower gun, an upper screw, a lower screw, an ion nozzle of the upper ion blower gun, an ion nozzle of the lower ion blower gun, an upper pulley, a lower pulley and a control switch. Under the control of the control switch, a user can remove dust on the inner side of the projection screen and eliminate high-voltage static electricity on the outer frame of a display system without the need to enter the inside of the projection box body, the problem that high-voltage static electricity on the outer frame of a rear projection screen display system cannot be eliminated and the problem that internal dust cannot be removed are solved, a variety of adverse effects caused by dust accumulation and high-voltage static electricity are greatly reduced, the structure design is reasonable and practical, the operation mode is user-friendly and easy, and no additional noise is produced in the using process.
Description
Technical field
The utility model relates to rear projection screen display system, especially relates to a kind of rear projection screen static and eliminates and inner dust pelletizing system.
Background technology
In recent years, rear-projection display system is fast-developing, and the main flow that has become the large-scale display device demand of numerous areas is selected.Existing most of rear projection screen display system, particularly large area is without in splicing rear-projection display system, Projection box positioned inside has precision optics catoptron and high value engineering projector, in daily servicing, user is often inconvenient to enter Projection box inside, or because screen area is huge, be difficult to touch all areas of projection screen, use traditional clean method to be difficult to effectively to remove the dust of Long-Term Sorption inside projection screen, the final display effect of equipment set is significantly reduced.In addition, the engineering projector of rear projection screen display system positioned inside and associated picture treatment facility work often have buildup of static electricity and conduct to projection screen or Projection box on, become on the one hand user's potential safety hazard, more cause on the other hand projector's life-span, performance impaired, affect the serviceable life of a whole set of display system.
Summary of the invention
The purpose of this utility model is to provide a kind of rear projection screen static to eliminate and inner dust pelletizing system.
The utility model is provided with projection screen, Projection box, upper belt, lower belt, gets on the right track, lower railway, upper motor, lower motor, upper left switch contact, upper right switch contact, lower-left switch contact, bottom right switch contact, upper ion wind gun, lower ion wind gun, tighten up a screw, ion tuyere, top sheave, lower sheave and the gauge tap of lower screw, the ion tuyere of upper ion wind gun, lower ion wind gun;
Described get on the right track and lower railway be located at respectively projection screen directly over and under, upper left switch contact is arranged in ion wind gun, lower-left switch contact is arranged in lower ion wind gun; Upper right switch contact is arranged on the right side of getting on the right track, and bottom right switch contact is arranged on lower railway right side; Upper ion wind gun is arranged on the left side of getting on the right track by tightening up a screw, lower ion wind gun is arranged on the left side of lower railway by lower screw, and the ion tuyere of upper ion wind gun is over against the coboundary of projection screen, and the ion tuyere of lower ion wind gun is over against the lower limb of projection screen; Upper motor is arranged on the left side of getting on the right track, and lower motor is arranged on lower railway left side; Upper ion wind gun is connected by upper belt with the top sheave of being located at the right side of getting on the right track, and lower ion wind gun is connected by lower belt with the lower sheave of being located at lower railway right side; Upper motor, lower motor, upper ion wind gun, lower ion wind gun, upper right switch contact, bottom right switch contact are connected with gauge tap, the external telechiric device of gauge tap or control device.
Described getting on the right track can adopt T-shaped groove track, and lower railway can adopt T-shaped groove track.
Described upper motor can adopt single phase bidirectional reversible electric machine, and lower motor can adopt single phase bidirectional reversible electric machine.
Described tightening up a screw can adopt T-shaped screw, and lower screw can adopt T-shaped screw.
For avoiding ion wind muzzle to block projection ray, the ion tuyere of ion wind gun is apart from the best 5cm in projection screen picture edge; The power lead of ion wind gun adopts automatic rewinding device, retractable length; The length of T-shaped groove track can be according to the concrete size customization of screen.
The utility model is controlled by gauge tap, user can carry out dedusting to projection screen inner side without entering Projection box inside, eliminate the high-pressure electrostatic of display system housing simultaneously, effectively solve the problem that rear projection screen display system cannot be eliminated framework high-pressure electrostatic and cannot carry out inner dedusting, significantly reduce the multiple adverse effect that dust accumulation and high-pressure electrostatic cause, reasonable in design is practical, and mode of operation close friend is easy, and use procedure is without additional noise.
Accompanying drawing explanation
Fig. 1 is that the structure of the utility model embodiment forms schematic diagram.
Fig. 2 is the A place enlarged drawing of Fig. 1.
Fig. 3 is the B place enlarged drawing of Fig. 1.
Embodiment
Below in conjunction with accompanying drawing and concrete embodiment, the utility model is described in further detail.
Referring to Fig. 1～3, the utility model embodiment is provided with projection screen 1, Projection box 2, upper belt 31, lower belt 32, get on the right track 41, lower railway 42, upper motor 61, lower motor 62, upper left switch contact 71, upper right switch contact 121, lower-left switch contact 72, bottom right switch contact 122, upper ion wind gun 81, lower ion wind gun 82, tighten up a screw 91, ion tuyere 112, top sheave 131, lower sheave 132 and the gauge tap 14 of lower screw 92, the ion tuyere 111 of upper ion wind gun, lower ion wind gun.
Described get on the right track 41 and lower railway 42 be located at respectively projection screen 1 directly over and under, upper left switch contact 71 is arranged in ion wind gun 81, lower-left switch contact 72 is arranged in lower ion wind gun 82; Upper right switch contact 121 is arranged on 41 right sides of getting on the right track, and bottom right switch contact 122 is arranged on lower railway 42 right sides; Upper ion wind gun 81 91 is arranged on 41 left sides of getting on the right track by tightening up a screw, lower ion wind gun 82 is arranged on the left side of lower railway 42 by lower screw 92, the ion tuyere 111 of upper ion wind gun is over against the coboundary of projection screen 1, and the ion tuyere 112 of lower ion wind gun is over against the lower limb of projection screen 1; Upper motor 61 is arranged on 41 left sides of getting on the right track, and lower motor 62 is arranged on lower railway 42 left sides; Upper ion wind gun 81 is connected by upper belt 31 with the top sheave 131 of being located at 41 right sides of getting on the right track, and lower ion wind gun 82 is connected by lower belt 32 with the lower sheave 132 of being located at lower railway 42 right sides; Upper motor 61, lower motor 62, upper ion wind gun 81, lower ion wind gun 82, upper right switch contact 121, bottom right switch contact 122 are connected with gauge tap 14, the external telechiric device of gauge tap 14 or control device.
Described getting on the right track 41 can adopt T-shaped groove track, and lower railway 42 can adopt T-shaped groove track.
Described upper motor 61 can adopt single phase bidirectional reversible electric machine, and lower motor 62 can adopt single phase bidirectional reversible electric machine.
Described tightening up a screw 91 can adopt T-shaped screw, and lower screw 92 can adopt T-shaped screw.
Ion wind gun in orbit by belt by driven by motor, the belt other end connects pulley, motor, ion wind gun are connected with gauge tap by corresponding power lead, gauge tap can operate by respective remote control or central control system.
In the ion wind gun left and right sides and track two described switch contact is set respectively with reversion and disable motor, after system starts, ion wind gun is started working, motor forward transmits ion wind gun from left to right, while arriving track the right end in ion wind gun with track on reversal switch contact contact start motor reversal, during the left side end of ion wind gun return trajectory, in ion wind gun, contact shutdown system power supply with the contact of closing on track, the work period finishes.
For avoiding ion wind muzzle to block projection ray, ion wind muzzle is apart from projection screen picture edge 5cm; The power lead of ion wind gun adopts automatic rewinding device, retractable length; The length of T-shaped groove track can be according to the concrete size customization of screen.
After the utility model starts, ion wind gun is started working, and motor forward transmits ion wind gun high-pressure electrostatic and the accumulation dust of the rear projection screen All Ranges of removing process from left to right.
When ion wind gun arrives track the right end in ion wind gun with track on reversal switch contact contact start motor reversal, the left side of ion wind gun return trajectory, the rear projection screen All Ranges of process is removed static and dust again, when ion wind gun arrives the track left side end, in ion wind gun, contact and close this system power supply with the contact of closing on track, system resume work before state, the work period finishes.
All devices and assembly all, in Projection box scope, can not affect the decorative appearance of rear-projection display system periphery.
Claims (4)
1. rear projection screen static is eliminated and an inner dust pelletizing system, it is characterized in that being provided with projection screen, Projection box, upper belt, lower belt, get on the right track, lower railway, upper motor, lower motor, upper left switch contact, upper right switch contact, lower-left switch contact, bottom right switch contact, upper ion wind gun, lower ion wind gun, tighten up a screw, ion tuyere, top sheave, lower sheave and the gauge tap of lower screw, the ion tuyere of upper ion wind gun, lower ion wind gun;
Described get on the right track and lower railway be located at respectively projection screen directly over and under, upper left switch contact is arranged in ion wind gun, lower-left switch contact is arranged in lower ion wind gun; Upper right switch contact is arranged on the right side of getting on the right track, and bottom right switch contact is arranged on lower railway right side; Upper ion wind gun is arranged on the left side of getting on the right track by tightening up a screw, lower ion wind gun is arranged on the left side of lower railway by lower screw, and the ion tuyere of upper ion wind gun is over against the coboundary of projection screen, and the ion tuyere of lower ion wind gun is over against the lower limb of projection screen; Upper motor is arranged on the left side of getting on the right track, and lower motor is arranged on lower railway left side; Upper ion wind gun is connected by upper belt with the top sheave of being located at the right side of getting on the right track, and lower ion wind gun is connected by lower belt with the lower sheave of being located at lower railway right side; Upper motor, lower motor, upper ion wind gun, lower ion wind gun, upper right switch contact, bottom right switch contact are connected with gauge tap, the external telechiric device of gauge tap or control device.
2. a kind of rear projection screen static is eliminated and inner dust pelletizing system as claimed in claim 1, gets on the right track and adopt T-shaped groove track described in it is characterized in that, lower railway adopts T-shaped groove track.
3. a kind of rear projection screen static is eliminated and inner dust pelletizing system as claimed in claim 1, it is characterized in that described upper motor adopts single phase bidirectional reversible electric machine, and lower motor adopts single phase bidirectional reversible electric machine.
4. a kind of rear projection screen static is eliminated and inner dust pelletizing system as claimed in claim 1, tightens up a screw and adopt T-shaped screw described in it is characterized in that, lower screw adopts T-shaped screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320538079.4U CN203480201U (en) | 2013-08-30 | 2013-08-30 | Static electricity elimination and internal dust removal system for rear projection screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320538079.4U CN203480201U (en) | 2013-08-30 | 2013-08-30 | Static electricity elimination and internal dust removal system for rear projection screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203480201U true CN203480201U (en) | 2014-03-12 |
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ID=50228503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320538079.4U Expired - Fee Related CN203480201U (en) | 2013-08-30 | 2013-08-30 | Static electricity elimination and internal dust removal system for rear projection screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203480201U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104538055A (en) * | 2014-11-26 | 2015-04-22 | 重庆长野汽车配件有限公司 | Automobile media navigator with automatic screen cleaning function |
| WO2016078242A1 (en) * | 2014-11-18 | 2016-05-26 | 海信集团有限公司 | Projection display device |
| CN105903722A (en) * | 2016-04-14 | 2016-08-31 | 苏州佳世达电通有限公司 | Automatic cleaning device and electric device |
-
2013
- 2013-08-30 CN CN201320538079.4U patent/CN203480201U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016078242A1 (en) * | 2014-11-18 | 2016-05-26 | 海信集团有限公司 | Projection display device |
| CN104538055A (en) * | 2014-11-26 | 2015-04-22 | 重庆长野汽车配件有限公司 | Automobile media navigator with automatic screen cleaning function |
| CN105903722A (en) * | 2016-04-14 | 2016-08-31 | 苏州佳世达电通有限公司 | Automatic cleaning device and electric device |
| CN105903722B (en) * | 2016-04-14 | 2018-04-17 | 苏州佳世达电通有限公司 | A kind of automatic cleaning apparatus and electronic device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140312 Termination date: 20210830 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |