CN113961096A - Anti-interference device and method for capacitive touch screen - Google Patents
Anti-interference device and method for capacitive touch screen Download PDFInfo
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- CN113961096A CN113961096A CN202111228972.2A CN202111228972A CN113961096A CN 113961096 A CN113961096 A CN 113961096A CN 202111228972 A CN202111228972 A CN 202111228972A CN 113961096 A CN113961096 A CN 113961096A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
- G06F3/0418—Control or interface arrangements specially adapted for digitisers for error correction or compensation, e.g. based on parallax, calibration or alignment
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
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Abstract
The invention discloses a capacitive touch screen anti-interference device and a capacitive touch screen anti-interference method, which comprise an outer shielding box and an inner shielding box, wherein a threaded rotating shaft is movably arranged on one side in the outer shielding box, a limiting rod is fixedly arranged on the other side in the outer shielding box, an internal thread sleeve is arranged on the threaded rotating shaft in a threaded sleeved mode, a limiting sleeve is movably arranged on the limiting rod in a sleeved mode, a lifting plate is fixedly arranged between the internal thread sleeve and the limiting sleeve, two side plates are fixedly arranged at the top of the lifting plate, two mounting plates are fixedly arranged between the two side plates at equal intervals, three inner shielding boxes are fixedly arranged at the tops of the lifting plate and the two mounting plates at equal intervals, and an opening is formed in the top of the outer shielding box. The capacitive touch screen has the characteristics of good shielding and anti-interference effects, convenience in putting and taking the capacitive touch screen out of the capacitive touch screen and capability of performing heat dissipation and dehumidification treatment on the inside of the outer shielding box by arranging a series of structures.
Description
Technical Field
The invention relates to the technical field of capacitive touch screens, in particular to an anti-interference device and an anti-interference method for a capacitive touch screen.
Background
The capacitive touch screen technology works by using current induction of a human body. The capacitive touch screen is a four-layer composite glass screen, the inner surface and the interlayer of the glass screen are respectively coated with one layer of ITO, the outermost layer is a thin-layer silica glass protective layer, the interlayer ITO coating serves as a working surface, four electrodes are led out from four corners, and the inner layer of ITO serves as a shielding layer to guarantee a good working environment. When a finger touches the metal layer, a coupling capacitance is formed between the user and the touch screen surface due to the electric field of the human body, and for high-frequency current, the capacitance is a direct conductor, so that the finger draws a small current from the contact point. The currents respectively flow out of the electrodes on the four corners of the touch screen, the currents flowing through the four electrodes are in direct proportion to the distances from the fingers to the four corners, and the controller obtains the position of a touch point through accurate calculation of the proportion of the four currents.
In the process of production and transportation of the capacitive touch screen, if the capacitive touch screen is exposed outside, other electrical appliances can generate electromagnetic interference to the capacitive touch screen during working, the precision of the capacitive touch screen is influenced, long-term electromagnetic interference can cause damage to the capacitive touch screen, even the service life of the capacitive touch screen is reduced, dust in the transportation process, the temperature and the humidity can influence the performance of the capacitive touch screen in the using process, therefore, a protection device is required to be arranged in the transportation process of the capacitive touch screen for storing the capacitive touch screen, a closed paper box is generally arranged at present for storing the capacitive touch screen, the effects of resisting electromagnetic interference and preventing the influence of external factors are poor, and therefore, the capacitive touch screen anti-interference device and the capacitive touch screen anti-interference method are provided for solving the series of problems.
Disclosure of Invention
The present invention is directed to a capacitive touch screen interference prevention apparatus and method, so as to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a capacitive touch screen anti-interference device and a method thereof comprise an outer shielding box and an inner shielding box, wherein a threaded rotating shaft is movably arranged on one side inside the outer shielding box, a limiting rod is fixedly arranged on the other side inside the outer shielding box, an inner threaded sleeve is sleeved on the threaded rotating shaft in a threaded manner, a limiting sleeve is movably sleeved on the limiting rod, a lifting plate is fixedly arranged between the inner threaded sleeve and the limiting sleeve, two side plates are fixedly arranged at the top of the lifting plate, two mounting plates are fixedly arranged between the two side plates at equal intervals, three inner shielding boxes are fixedly arranged at the tops of the lifting plate and the two mounting plates at equal intervals, an opening is formed in the top of the outer shielding box, an outer cover is fixedly arranged at the top ends of the two side plates, the outer cover is positioned at the opening, and an inner cover is arranged at the top of the inner shielding box, and a controller is fixedly arranged on one side of the outer shielding box.
Preferably, four buffering posts are installed to the inboard bottom of interior shielded cell, the inside of interior shielded cell is through four the platform is installed and is placed to the buffering post, place the inside both sides of platform and all seted up the mounting hole, two the equal movable mounting in inside of mounting hole has the fly leaf, two the equal fixed mounting in top of the relative one side of fly leaf has the clamp plate, the bottom of clamp plate is provided with the rubber pad, just the bottom fixed mounting of fly leaf has the bottom plate, the cover is equipped with the second spring on the fly leaf, the second spring be located place the platform with between the bottom plate.
Preferably, the bottom of enclosing cover is provided with the sealing washer, the sealing washer with it is fixed to bond through the powerful glue between the enclosing cover.
Preferably, the both sides of interior shielded cell all are provided with the latch segment, the both sides of inner cup all are provided with the fixed block, two the equal fixed mounting in bottom of fixed block has the inserted bar, two the jack has all been seted up to the inside of latch segment, two the inserted bar is inserted respectively and is established two the inside of jack, just the through-hole has been seted up to one side of jack, the draw-in groove has been seted up to one side of inserted bar, the inside movable mounting of through-hole has the kelly, the one end of kelly extends to the inside of draw-in groove, the other end of kelly is provided with the arm-tie, the cover is equipped with first spring on the kelly.
Preferably, one side fixed mounting at outer shielded cell top has driving motor, the top of screw thread pivot with driving motor's output fixed connection, just driving motor's power input end pass through the wire with the power output end electric connection of controller.
Preferably, the side wall of one side of the outer shielding box is provided with an air outlet hole, and the air outlet hole is arranged in a downward inclined mode from inside to outside.
Preferably, one side fixed mounting of outer shielding case has air-blower and heating cabinet, one side of air-blower is provided with the breathing pipe, the bottom of air-blower is provided with the air duct, the air duct with the inside intercommunication of heating cabinet, the internally mounted of heating cabinet has electric heater, the bottom of heating cabinet is provided with the outlet duct, the pipe-line erection passageway has been seted up to the bottom of shielding case, the one end of outlet duct is passed through the pipe-line erection passageway extends to the inside of outer shielding case, the outlet duct is located the gas outlet head is installed to the inboard one end of outer shielding case, just the air-blower with electric heater's electric power input all through the wire with the electric power output end electric connection of controller.
Preferably, the inside fixed mounting of outer shielded cell has humidity transducer and temperature sensor, humidity transducer with temperature sensor's signal output part all with the signal input part of controller is connected.
Preferably, the bolster comprises annular dog, telescopic link, sleeve, movable block and third spring, telescopic inside movable mounting has the movable block, the third spring sets up the bottom of movable block, telescopic link fixed mounting is in the top of movable block, just the top of telescopic link extends to the telescopic outside, just the inboard of sleeve top opening part is provided with annular dog.
The specific using method comprises the following steps:
s1, controlling the driving motor to work through the controller, wherein the driving motor drives the threaded rotating shaft to rotate, the threaded rotating shaft drives the internal thread sleeve to ascend, the internal thread sleeve drives the lifting plate to ascend, and the lifting plate drives the internal shielding box at the top of the lifting plate to move upwards and move out of the external shielding box;
s2, pulling the pulling plate outwards to enable the pulling plate to drive the clamping rod to move, so that the clamping rod moves out of the clamping groove, further the limitation on the inserting rod is removed, and the inner shielding box and the inner cover are separated;
s3, placing the capacitive touch screen on the placing plate, and enabling the pressing plates on the two sides of the capacitive touch screen to press the two ends of the capacitive touch screen through the elasticity of the second spring to fix the capacitive touch screen;
s4, covering the inner cover, inserting the inserting rods on the two sides of the bottom of the inner cover into the inserting holes respectively, and clamping the clamping rods into the clamping grooves through the elasticity of the first spring, so that the inner cover and the inner shielding box can be fixed;
s5, repeating the operations of S2-S4, and fixedly placing a capacitive touch screen inside each inner shielding box;
s6, the controller controls the threaded rotating shaft to rotate, so that the threaded rotating shaft drives the internal thread sleeve to move downwards, the lifting plate can move downwards, the internal shielding box at the top of the lifting plate moves into the external shielding box, and the external cover covers the external shielding box tightly;
s7, through humidity transducer with temperature sensor real-time detection the inside temperature and humidity of outer shielded cell to make it give the signal transmission for the controller, if the temperature is higher, the controller then controls the air-blower work, to the unheated air of the inside input of outer shielded cell dispels the heat, when humidity is too high, the controller then simultaneous control the air-blower with electric heater work, to the inside input steam of outer shielded cell, dehumidify.
Compared with the prior art, the invention has the beneficial effects that: the double-shielding device has a scientific and reasonable structure, is safe and convenient to use, has double-shielding efficiency and good shielding and anti-interference effects by arranging the outer shielding box and the inner shielding box; the pull plate is pulled outwards to drive the clamping rod to move, the clamping rod is moved out of the clamping groove, the limit on the inserting rod is further removed, the inner shielding box and the inner cover are separated, the capacitive touch screen is placed on the placing plate, the pressing plates on two sides of the capacitive touch screen press two ends of the capacitive touch screen through the elasticity of the second spring to be fixed, then the inner cover is covered, the inserting rods on two sides of the bottom of the inner cover are respectively inserted into the two inserting holes, the clamping rods are clamped into the clamping groove through the elasticity of the first spring, the inner cover and the inner shielding box can be fixed, the capacitive touch screen can be conveniently and fixedly placed in the inner shielding box, the stability in the transportation process is high, meanwhile, the placing table is installed in the inner shielding box through four buffering parts, the capacitive touch screen can be buffered and protected, and the vibration generated in the moving process is reduced; through the inside temperature and humidity of humidity transducer and temperature sensor real-time detection outer shielding case, and make it give the controller with signal transmission, if the temperature is higher, the air-blower work is then controlled to the controller, the unheated air of inside input of outside shielding case dispels the heat, when humidity is too high, then simultaneous control air-blower and electric heater work are controlled to the controller, outside shielding case's inside input steam, dehumidify, can effectually reduce the influence that temperature and humidity caused the inside capacitive touch screen of shielding case.
Drawings
FIG. 1 is a schematic overall structure of the present invention;
FIG. 2 is an enlarged view of the invention at A in FIG. 1;
FIG. 3 is an enlarged view of the present invention at B in FIG. 1;
FIG. 4 is a cross-sectional view of a cushioning member of the present invention;
fig. 5 is a block diagram of a flow between the electric appliances in the present invention.
In the figure: 1. an outer shielding case; 2. a limiting rod; 3. an inner cover; 4. an air intake duct; 5. a blower; 6. an air duct; 7. a heating box; 8. an electric heater; 9. an air outlet pipe; 10. a limiting sleeve; 11. an air outlet head; 12. a pipeline installation channel; 13. mounting a plate; 14. a humidity sensor; 15. a temperature sensor; 16. an internal thread sleeve; 17. a lifting plate; 18. a side plate; 19. an air outlet; 20. a controller; 21. a threaded shaft; 22. a drive motor; 23. an outer cover; 24. a seal ring; 25. an opening; 26. an inner shielding case; 27. a clamping rod; 28. a through hole; 29. a first spring; 30. pulling a plate; 31. a jack; 32. a locking block; 33. inserting a rod; 34. a fixed block; 35. a placing table; 36. a rubber end; 37. pressing a plate; 38. a buffer member; 39. a base plate; 40. a second spring; 41. mounting holes; 42. a movable plate; 43. a card slot; 381. an annular stop block; 382. a telescopic rod; 383. a sleeve; 384. a movable block; 385. and a third spring.
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.
Referring to fig. 1-5, the present invention provides a technical solution: a capacitive touch screen anti-interference device and a method thereof are provided, which comprises an outer shielding box 1 and an inner shielding box 26, wherein a threaded rotating shaft 21 is movably arranged on one side inside the outer shielding box 1, a limiting rod 2 is fixedly arranged on the other side inside the outer shielding box 1, an internal thread sleeve 16 is sleeved on the threaded rotating shaft 21 in a threaded manner, a limiting sleeve 10 is movably sleeved on the limiting rod 2, a lifting plate 17 is fixedly arranged between the internal thread sleeve 16 and the limiting sleeve 10, two side plates 18 are fixedly arranged on the top of the lifting plate 17, two mounting plates 13 are fixedly arranged between the two side plates 18 at equal intervals, three inner shielding boxes 26 are fixedly arranged on the tops of the lifting plate 17 and the two mounting plates 13 at equal intervals, an opening 25 is arranged on the top of the outer shielding box 26, an outer cover 23 is fixedly arranged on the top ends of the two side plates 18, the outer cover 23 is positioned at the opening 25, and an inner cover 3 is arranged on the top of the inner shielding box 26, a controller 20 is fixedly mounted on one side of the outer shield case 1.
Preferably, four buffer columns 38 are installed at the bottom of the inner side of the inner shielding box 26, the placing table 35 is installed in the inner shielding box 26 through the four buffer columns 38, mounting holes 41 are all formed in two sides of the inside of the placing table 35, movable plates 42 are all movably installed in the two mounting holes 41, pressing plates 37 are fixedly installed above one opposite sides of the two movable plates 42, rubber pads 36 are arranged at the bottom of the pressing plates 37, a bottom plate 39 is fixedly installed at the bottom of each movable plate 42, a second spring 40 is sleeved on each movable plate 42 and located between the placing table 35 and the bottom plate 39, and the capacitive touch screen is convenient to fix.
Preferably, the bottom of the outer cover 23 is provided with a sealing ring 24, and the sealing ring 24 and the outer cover 23 are fixed by strong adhesive bonding, so that when the outer cover 23 is covered, the whole sealed box of the outer shielding box 1 can be good.
Preferably, the both sides of interior shielded cell 26 all are provided with latch segment 32, the both sides of inner cup 3 all are provided with fixed block 34, the equal fixed mounting in bottom of two fixed block 34 has inserted bar 33, jack 31 has all been seted up to the inside of two latch segments 32, two inside of establishing into two jack 31 are inserted bar 33 respectively, and through-hole 28 has been seted up to one side of jack 31, draw-in groove 43 has been seted up to one side of inserted bar 33, the inside movable mounting of through-hole 28 has kelly 27, the one end of kelly 27 extends to the inside of draw-in groove 43, the other end of kelly 27 is provided with arm-tie 30, the cover is equipped with first spring 29 on the kelly 27, be convenient for carry out fixed connection and split with inner cup 3 and interior shielded cell 26.
Preferably, a driving motor 22 is fixedly installed at one side of the top of the outer shielding box 1, the top end of the threaded rotating shaft 21 is fixedly connected with the output end of the driving motor 22, and the power input end of the driving motor 22 is electrically connected with the power output end of the controller 20 through a wire, so that the driving motor 22 can be controlled to work by the controller 20.
Preferably, the lateral wall of 1 one side of outer shielding case has been seted up venthole 19, and venthole 19 is by interior and outer downward sloping setting for this device reasonable in design, the inside gas of outer shielding case 1 can be exchanged with the external world, and can effectually prevent that the dust from getting into the inside of outer shielding case.
Preferably, an air blower 5 and a heating box 7 are fixedly installed on one side of the outer shielding box 1, an air suction pipe 4 is arranged on one side of the air blower 5, an air guide pipe 6 is arranged at the bottom of the air blower 5, the air guide pipe 6 is communicated with the inside of the heating box 7, an electric heater 8 is installed inside the heating box 7, an air outlet pipe 9 is arranged at the bottom end of the heating box 7, a pipeline installation channel 12 is arranged at the bottom of the shielding box 1, one end of the air outlet pipe 9 extends to the inside of the outer shielding box 1 through the pipeline installation channel 12, an air outlet head 11 is installed at one end of the air outlet pipe 9, which is positioned at the inner side of the outer shielding box 1, electric power input ends of the air blower 5 and the electric heater 8 are electrically connected with an electric power output end of a controller 20 through wires, a humidity sensor 14 and a temperature sensor 15 are fixedly installed inside the outer shielding box 1, and signal output ends of the humidity sensor 14 and the temperature sensor 15 are connected with a signal input end of the controller 20, detect the inside temperature and humidity of outer shielded cell 1 through humidity transducer 14 and temperature sensor 15 in real time, and make it give controller 20 with signal transmission, if the temperature is higher, controller 20 then controls the work of air-blower 5, the unheated air of inside input of outside shielded cell 1 dispels the heat, when humidity is too high, controller 20 then controls the work of air-blower 5 and electric heater 8 simultaneously, outside shielded cell 1's inside input steam, dehumidify, can effectually reduce the influence that temperature and humidity caused to the inside capacitive touch screen of shielded cell 26.
Preferably, the buffer member 38 is composed of an annular stop 381, a telescopic rod 382, a sleeve 383, a movable block 384 and a third spring 385, the movable block 384 is movably installed inside the sleeve 383, the third spring 385 is arranged at the bottom of the movable block 384, the telescopic rod 382 is fixedly installed at the top of the movable block 384, the top end of the telescopic rod 382 extends to the outer side of the sleeve 383, the annular stop 381 is arranged on the inner side of the opening at the top of the sleeve 383, the capacitive touch screen can be protected by buffering, and vibration generated in the moving process is reduced.
The specific using method comprises the following steps:
s1, the controller 20 controls the driving motor 22 to work, the driving motor 22 drives the threaded rotating shaft 21 to rotate, the threaded rotating shaft 21 drives the internal thread sleeve 16 to ascend, the internal thread sleeve 16 drives the lifting plate 17 to ascend, and the lifting plate 17 drives the internal shielding box 26 at the top of the lifting plate to move upwards and move out of the external shielding box 1;
s2, pulling the pulling plate 30 outward to make the pulling plate 30 drive the clipping rod 27 to move, so that the clipping rod 27 moves out of the clipping slot 43, and further the limitation on the inserting rod 33 is removed, and the inner shielding box 26 and the inner cover 3 are separated;
s3, placing the capacitive touch screen on the placing plate 35, and fixing the two ends of the pressing plate 37 by pressing the two ends of the pressing plate with the elasticity of the second spring 40;
s4, covering the inner cover 3, inserting the inserting rods 33 on the two sides of the bottom of the inner cover 3 into the two inserting holes 31 respectively, and then enabling the clamping rods 27 to be clamped into the clamping grooves 43 through the elasticity of the first springs 29, so that the inner cover 3 and the inner shielding box 26 can be fixed;
s5, repeating the operations of S2-S4, and fixedly placing a capacitive touch screen in each inner shielding box 26;
s6, the controller 20 controls the threaded rotating shaft 21 to rotate, so that the threaded rotating shaft 21 drives the internal thread sleeve 16 to move downwards, the lifting plate 17 can move downwards, the internal shielding box 26 on the top of the lifting plate 17 moves into the external shielding box 1, and the external cover 23 covers the external shielding box 1 tightly;
s7, detecting the temperature and humidity inside the external shielding box 1 in real time by the humidity sensor 14 and the temperature sensor 15, and transmitting the signals to the controller 20, if the temperature is high, the controller 20 controls the blower 5 to operate, and inputs unheated air into the external shielding box 1 for heat dissipation, and if the humidity is too high, the controller 20 controls the blower 5 and the electric heater 8 to operate simultaneously, and inputs hot air into the external shielding box 1 for dehumidification.
The working principle is as follows: the invention controls a driving motor 22 to work through a controller 20, the driving motor 22 drives a threaded rotating shaft 21 to rotate, the threaded rotating shaft 21 drives an internal threaded sleeve 16 to ascend, the internal threaded sleeve 16 drives a lifting plate 17 to ascend, the lifting plate 17 drives an internal shielding box 26 at the top of the lifting plate to move and move out of an external shielding box 1, a pulling plate 30 is pulled outwards, the pulling plate 30 drives a clamping rod 27 to move, the clamping rod 27 moves out of a clamping groove 43, the limitation on an inserting rod 33 is further removed, the internal shielding box 26 and an inner cover 3 are separated, a capacitive touch screen is placed on a placing plate 35, pressing plates 37 at two sides of the capacitive touch screen press two ends of the capacitive touch screen through the elasticity of a second spring 40 to fix the capacitive touch screen, the inner cover 3 is covered, the inserting rods 33 at two sides of the bottom of the inner cover 3 are respectively inserted into the insides of two inserting holes 31, the clamping rod 27 is clamped into the clamping groove 43 through the elasticity of the first spring 29, and the inner cover 3 and the inner shielding box 26 can be fixed, the controller 20 controls the threaded rotating shaft 21 to rotate, and further the threaded rotating shaft 21 drives the internal threaded sleeve 16 to move downwards, so that the lifting plate 17 can move downwards, the internal shielding box 26 at the top of the lifting plate 17 moves into the external shielding box 1, the outer cover 23 tightly covers the external shielding box 1, the temperature and the humidity inside the external shielding box 1 are detected in real time through the humidity sensor 14 and the temperature sensor 15, signals are transmitted to the controller 20, if the temperature is high, the controller 20 controls the air blower 5 to work, unheated air is input into the external shielding box 1 for heat dissipation, when the humidity is too high, the controller 20 simultaneously controls the air blower 5 and the electric heater 8 to work, hot air is input into the external shielding box 1, and dehumidification is performed.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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 (10)
1. The capacitive touch screen interference preventing device comprises an outer shielding box (1) and an inner shielding box (26), and is characterized in that: the outer shielding case is characterized in that a thread rotating shaft (21) is movably arranged on one side inside the outer shielding case (1), a limiting rod (2) is fixedly arranged on the other side inside the outer shielding case (1), an inner thread sleeve (16) is sleeved on the thread rotating shaft (21), a limiting sleeve (10) is movably sleeved on the limiting rod (2), a lifting plate (17) is fixedly arranged between the inner thread sleeve (16) and the limiting sleeve (10), two side plates (18) are fixedly arranged on the top of the lifting plate (17), two mounting plates (13) are fixedly arranged between the side plates (18) at equal intervals, three inner shielding cases (26) are fixedly arranged on the lifting plate (17) and the two mounting plates (13) at equal intervals on the top, an opening (25) is formed in the top of the outer shielding case (26), and an outer cover (23) is fixedly arranged on the top of the side plates (18), the outer cover (23) is located at the opening (25), the inner cover (3) is arranged at the top of the inner shielding box (26), and the controller (20) is fixedly mounted on one side of the outer shielding box (1).
2. A capacitive touch screen interference rejection device according to claim 1, further comprising: four buffer posts (38) are installed to the bottom of interior shielded cell (26) inboard, the inside of interior shielded cell (26) is through four buffer posts (38) are installed and are placed platform (35), place inside both sides of platform (35) and have all seted up mounting hole (41), two the equal movable mounting in inside of mounting hole (41) has fly leaf (42), two the equal fixed mounting in top of the relative one side of fly leaf (42) has clamp plate (37), the bottom of clamp plate (37) is provided with rubber pad (36), just the bottom fixed mounting of fly leaf (42) has bottom plate (39), the cover is equipped with second spring (40) on fly leaf (42), second spring (40) are located place platform (35) with between bottom plate (39).
3. The interference preventing device and method for capacitive touch screen according to claim 1, wherein: the bottom of enclosing cover (23) is provided with sealing washer (24), sealing washer (24) with it is fixed to bond through the super glue between enclosing cover (23).
4. The interference preventing device and method for capacitive touch screen according to claim 1, wherein: the both sides of internal shield case (26) all are provided with latch segment (32), the both sides of inner cup (3) all are provided with fixed block (34), two the equal fixed mounting in bottom of fixed block (34) has inserted bar (33), two jack (31), two have all been seted up to the inside of latch segment (32) inserted bar (33) are inserted respectively and are established two the inside of jack (31), just through-hole (28) have been seted up to one side of jack (31), draw-in groove (43) have been seted up to one side of inserted bar (33), the inside movable mounting of through-hole (28) has kelly (27), the one end of kelly (27) extends to the inside of draw-in groove (43), the other end of kelly (27) is provided with arm-tie (30), the cover is equipped with first spring (29) on kelly (27).
5. The interference preventing device and method for capacitive touch screen according to claim 1, wherein: one side fixed mounting at outer shielded cell (1) top has driving motor (22), the top of screw thread pivot (21) with the output fixed connection of driving motor (22), just the electric power input of driving motor (22) pass through the wire with the electric power output electric connection of controller (20).
6. The interference preventing device and method for capacitive touch screen according to claim 1, wherein: the side wall of one side of the outer shielding box (1) is provided with air outlet holes (19), and the air outlet holes (19) are arranged in a downward inclined mode from inside to outside.
7. The interference preventing device and method for capacitive touch screen according to claim 1, wherein: a blower (5) and a heating box (7) are fixedly arranged on one side of the outer shielding box (1), an air suction pipe (4) is arranged on one side of the air blower (5), an air guide pipe (6) is arranged at the bottom of the air blower (5), the gas guide pipe (6) is communicated with the inside of the heating box (7), an electric heater (8) is arranged in the heating box (7), an air outlet pipe (9) is arranged at the bottom end of the heating box (7), a pipeline installation channel (12) is arranged at the bottom of the shielding box (1), one end of the air outlet pipe (9) extends to the interior of the outer shielding box (1) through the pipeline installation channel (12), an air outlet head (11) is arranged at one end of the air outlet pipe (9) positioned at the inner side of the outer shielding box (1), and the power input ends of the blower (5) and the electric heater (8) are electrically connected with the power output end of the controller (20) through leads.
8. The interference preventing device and method for capacitive touch screen according to claim 1, wherein: the inside fixed mounting of outer shielded cell (1) has humidity transducer (14) and temperature sensor (15), humidity transducer (14) with the signal output part of temperature sensor (15) all with the signal input part of controller (20) is connected.
9. A capacitive touch screen tamper-proof device according to claim 2, wherein: bolster (38) comprise annular dog (381), telescopic link (382), sleeve (383), movable block (384) and third spring (385), the inside movable mounting of sleeve (383) has movable block (384), third spring (385) sets up the bottom of movable block (384), telescopic link (382) fixed mounting be in the top of movable block (384), just the top of telescopic link (382) extends to the outside of sleeve (383), just the inboard of sleeve (383) top opening part is provided with annular dog (381).
10. A capacitive touch screen interference prevention apparatus and method according to claims 1-9, wherein: the specific using method comprises the following steps:
s1, the controller (20) controls the driving motor (22) to work, the driving motor (22) drives the threaded rotating shaft (21) to rotate, the threaded rotating shaft (21) drives the internal thread sleeve (16) to ascend, the internal thread sleeve (16) drives the lifting plate (17) to ascend, and the lifting plate (17) drives the internal shielding box (26) at the top of the lifting plate to move upwards and move out of the external shielding box (1);
s2, pulling the pulling plate (30) outwards to enable the pulling plate (30) to drive the clamping rod (27) to move, enabling the clamping rod (27) to move out of the clamping groove (43), further releasing the limitation on the inserting rod (33), and separating the inner shielding box (26) and the inner cover (3);
s3, placing the capacitive touch screen on the placing plate (35), and enabling the pressing plates (37) on the two sides of the capacitive touch screen to press the two ends of the capacitive touch screen through the elasticity of the second spring (40) to fix the capacitive touch screen;
s4, covering the inner cover (3), inserting the inserting rods (33) on two sides of the bottom of the inner cover (3) into the inserting holes (31), and enabling the clamping rods (27) to be clamped into the clamping grooves (43) through the elasticity of the first spring (29) so as to fix the inner cover (3) and the inner shielding box (26);
s5, repeating the operations of S2-S4, and fixedly placing a capacitive touch screen inside each inner shielding box (26);
s6, the controller (20) controls the threaded rotating shaft (21) to rotate, so that the threaded rotating shaft (21) drives the internal threaded sleeve (16) to move downwards, the lifting plate (17) moves downwards, the internal shielding box (26) on the top of the lifting plate (17) moves into the external shielding box (1), and the external cover (23) covers the external shielding box (1);
s7, pass through humidity transducer (14) with temperature sensor (15) real-time detection the inside temperature and humidity of outer shielded cell (1) to make it give with signal transmission controller (20), if the temperature is higher, controller (20) then control air-blower (5) work, to the inside input unheated air of outer shielded cell (1) dispels the heat, when humidity is too high, controller (20) then simultaneous control air-blower (5) with electric heater (8) work, to the inside input steam of outer shielded cell (1), dehumidify.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111228972.2A CN113961096A (en) | 2021-10-21 | 2021-10-21 | Anti-interference device and method for capacitive touch screen |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111228972.2A CN113961096A (en) | 2021-10-21 | 2021-10-21 | Anti-interference device and method for capacitive touch screen |
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