CN101814910A - Control method of non-contact intelligent key switch and system thereof - Google Patents
Control method of non-contact intelligent key switch and system thereof Download PDFInfo
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- CN101814910A CN101814910A CN201010166297A CN201010166297A CN101814910A CN 101814910 A CN101814910 A CN 101814910A CN 201010166297 A CN201010166297 A CN 201010166297A CN 201010166297 A CN201010166297 A CN 201010166297A CN 101814910 A CN101814910 A CN 101814910A
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Abstract
The invention discloses a control method of a non-contact intelligent key switch and a system thereof. In the method, a signal transmitted by a virtual key transmitting circuit is reflected by a finger shading plate and then is received by a receiving circuit; and a signal entering a signal central processor is determined and then is subjected to intelligent processing operation such as prolonging, accumulation, gradual accumulation, regressiveness, clearing, resetting and the like so as to replace a signal generated by the traditional key switch and be input into the traditional actuator to finish corresponding work. The system comprises a virtual key partition board, a transmitting circuit, the receiving circuit, a signal central processor, an acoustic-optic display module, an actuator and the like. With the system, a common contact type key switch is changed into the non-contact intelligent key switch; and the system can be widely applied to various public facilities, avoid the pollution and disease spread caused by the contact type key switch, and provide a safe, sanitary and energy-saving environment for the public. The non-contact technology is applied to the medical community for operating various instruments and equipment, is greatly convenient for the work of medical staff, improves the efficiency, and reduces the crossed infection in hospitals.
Description
Technical field
The present invention relates to a kind of novel key switch control method and system thereof, mainly is a kind of control method and system thereof of non-contact intelligent key switch.He it be applicable to equipment, public place community installations and the information of non-contact technology requirement use, obtain, as the button operation of Medical Instruments, equipment, elevator, dormitory gate numerical control lock, bank cashier machine, POS machine, automatic vending machine, ticket machine, corridor lighting, self-service crossing lamp, button interphone, telephone set, recreation electronic product, computer input equipment etc.
Background technology
Since the mankind invented electricity, various switches were widely used in controlling various electrical equipment.The particularly development of modern society, in numerous public places, people's common switch control various public utilities and information use, obtain.It is the life that is convenient for people to, raise the efficiency, energy savings etc. has been brought into play enormous function.Yet when facilitating, it also brings new problem: these key switches all have a common characteristic---for touching or the push-press type key switch, its co-operate pattern needs the user with pointing operating of contacts.Must form the finger indirect contact between the different personnel, so there is a disadvantage---pollute because of contact, cause the propagation of some deadly infectious diseases such as viral disease (comprising SARS, H5N1, hepatitis A etc.) and bacteriosis (as typhoid fever, cholera, bacillary dysentery etc.).We usually see, in public places, people very reluctantly go to push with finger, also have a few peoples to push with finger back arthrosis, key, other article or across paper handkerchief etc.Yet most of people can not in time clean the finger that pollutes behind push switch, and this actual approach that causes a kind of transmission has also increased psychological burden of people and sense of insecurity.During disease popularity, many public places illustrate the existence that it has been recognized that contact stain all constantly to disinfections such as elevator push buttons.Simple sterilization not only can not be stopped pollution but also can not be carried out for a long time and widely, and therefore, this cross pollution danger that forms because of contact exists all the time.
In medical circle, the place of polluting need be avoided in operating room, delivery room, intensive care unit etc., if use contactless technology to come operating various instruments, equipment, will make things convenient for medical personnel's work greatly, raises the efficiency, and reduces the generation of cross-infection in the hospital.
We have been noted that in some conditions and have used the induction type bath device and the valve of washing one's hands in the toilet preferably, make people experience facility and health.Because its technology limitation still can not be widely used in other places.
Summary of the invention
For this reason, the inventor develops a kind of control method and system thereof of non-contact intelligent key switch under the inspiration of medical science contactless technology, be applied to various medical instruments and equipments, elevator and other public utilities.Can overcome the disadvantage of above contact key switch, and prevent to pollute, and reach the propagation of prevent disease and pollution, and reduce the injury of getting an electric shock, energy savings provides safety, comfortable PE, the target that promotes social harmony.
The control method of this non-contact intelligent key switch is to the space, dead ahead by the infrared ray of the reflector in switch emission or laser or electromagnetic wave or ultrasonic wave, be set up the receiver arranged side by side of turning back after the interior finger (or other article) of distance blocks with reflector, entering signal central processing unit again, through confirming in limited time, sound, light shows, overtime warning, prolong and add up, classification adds up, tired subtracting, and each positioning confirmation of many key combination switch, remove, the former switching signal of signal substituting after the intellectuality such as replacement that resets is handled sends to former control unit and actuator is finished corresponding work.
Described reflector and receiver dead ahead are provided with the signal control method of turning back after the interior finger of distance blocks and are meant, the signal of reflector emission is only in the expanded range in button front, function according to button, the coverage that finger blocks can be set at fixed value (as 1-30 millimeter or 1-500 millimeter), surpass blocking of this distance, will not produce the signal of effectively turning back.
The affirmation in limited time of described signal, sound, light show, the control method of overtime warning is meant, the signal of effectively turning back is in official hour (as 50 milliseconds), form a useful signal, simultaneously bright or send the success of sound prompting button with the button display lamp, can carry out next step operation; As surpassing the regulation time limit (as 2 seconds), it is glittering and/or be interrupted and send the sound display lamp to occur signal perdurabgility of effectively turning back, and prompting has object to continue to block button (pasting as gum), should be in on-call maintenance.
Described signal prolong and add up, classification adds up, the tired control method that subtracts is meant, after the signal of effectively turning back is identified, can sets this signal is extended to the stipulated time (as 5-10 second), makes actuator carry out corresponding function (as illumination) according to the identical time; If in the extended period, have new signal to enter again, then on the time of having carried out, add up a stipulated time function that actuator is finished add up at above signal.If the use switch combination behind the intermediary button switch connection, is displaced to top accumulation function key with finger, will be according to the time of blocking, by level cumulative signal size; After if key switch is connected, finger is displaced to the tired function key that subtracts in below, will be according to the time of blocking, press the tired cut signal size of level: the button in the middle of getting back to once more, this unit switch cuts out.
Each positioning confirmation of described many key combination switch, the control method of resetting of removing, reset are meant, when many key combination switch is operated, finger or fist may form contiguous button and block, must set and only can confirm that at every turn an effective button blocks that (much as no matter stipulating that occlusion area has, the button that the highest order of perpendicular row coordinate is only arranged and walk crosswise the position, the leftmost side of coordinate blocks effectively; Or be set at the shortest button that blocks distance is only arranged for effectively), could gradation finish the input of a plurality of combined digitals or signal; If input error occurs in using, will use and remove the signal that button is cancelled last affirmation, numeral or the signal full scale clearance that also can use reset key to have confirmed are provided with again.
The system that realizes this method is: the virtual key panel that is provided with of size (band micro channel or not tape channel) on demand, reflector (infrared ray or laser or electromagnetic wave or ultrasonic wave), receiver, signal central processing unit, acousto-optic display module, actuator.Realize good benefit of the present invention:
1, the shared device of public place uses the present invention, can significantly reduce the possibility of disease and pollution spread.It will be huge to the contribution of social publilc health and society and the economic benefit that produces because of the minimizing transmission.
2, the present invention will provide energy-conservation, effective, punctual service for unattended corridor light, mistake street footpound force traffic lamp etc.
3, this non-contact intelligent key switch will significantly reduce damage and the maintenance that general touch type keyboard mechanical equipment occurs, and reduce the equipment use cost, improve service life.
4, non-contact intelligent key switch will make the equipment that he is installed more attractive in appearance in design, help promoting the use of of this product.
5, non-contact intelligent key switch is extensive use of medical circle, and the basis will be provided for the extensive use of non-contact technology.Make and use light, video recording, various therapeutic equipment such as electric knife, the attractor etc. can be in the operation by operator or assistant from line operate, convenient, fast and save manpower.
Description of drawings
Fig. 1 is principle framework figure of the present invention
Fig. 2 is a virtual key schematic diagram of the present invention
Execution mode:
The execution mode that non-contact intelligent key switch is applied to parking lot corridor switch is, in the starting point of corridor and the terminal point after turning back be equivalent to the average trunk midpoint of human body one of non-contact intelligent key switch respectively be set, illuminating lamp (as being the single flight corridor, illuminating lamp is located in the middle of being installed on corridor) is installed on the ceiling of turning in the middle of the corridor.The received signal of two end switch is transferred to the signal central processing unit at illuminating lamp place, signal after treatment, the unlatching and the lighting hours of control illuminating lamp.Mode of operation is that the pedestrian is according to the operating guidance on corridor gate or the switch, brandish in non-contact intelligent key switch (there is the illumination of LED lamp in its front) 1-200mm scope with the back of the hand, the signal of turning back imports the central processing unit at illuminating lamp place into, send the lamp bright signal of a prolongation, its time, normally cover the maximum duration (as 10 seconds) of this section stair according to old man or child.If enter back a period of time first people, second people reenters or enters the other way around, they also will block non-contact intelligent key switch once equally, at this moment, the signal of turning back is transferred to the signal central processing unit at illuminating lamp place once more, on the remaining time of throwing light on for the first time, increase a complete lamp bright signal and (prolong 10 seconds lighting times, in particular cases, can block continuously twice, this just can have the time expand of twice, guarantee under the situation of bright lamp, to finish special work), the personnel that enter after guaranteeing covered in the omnidistance time limit, and illuminating lamp is opened always.(remaining time+one's complete bright lamp cycle) light will extinguish automatically after reaching the stipulated time, not only guarantee illumination but also prevent waste.This will be more convenient than the hand switch of present use and audio-switch (often because of aging and malfunctioning), accurately, environmental protection, health.
The execution mode that this non-contact intelligent key switch is applied to elevator or automatic teller machine is:
Input keypad part at the control keypad or the automatic teller machine of elevator, use the non-contact intelligent virtual key switchboard of model identical to substitute, when blocking certain button, finger (is set to 1-30mm) as distance, after this button receives the signal of turning back, the digital modulation bright (elevator) of this button and floor occurs or send buzz, corresponding symbol or numeral (automatic teller machine) occur on the display screen simultaneously.Finish a plurality of signal inputs successively, this signal is imported the signal of confirming the control unit of former elevator or automatic teller machine after the signal central processing unit is handled, start the task that relevant device is finished former setting." finishing a plurality of signal inputs successively; this signal is imported the signal of confirming after the signal central processing unit is handled " described here is meant the input keypad part at the control keypad or the automatic teller machine of elevator, the possibility that exists a plurality of buttons to be blocked simultaneously, the signal that must confirm after the signal central processing unit is handled is only useful signal, three principles are wherein arranged: the one, each button blocks, and can only confirm a useful signal; The 2nd, the button of only choosing the highest order of perpendicular row coordinate in a plurality of the blocking and walking crosswise the position, the leftmost side of coordinate blocks to effectively; The 3rd, set button and block to effectively with beeline.Promptly be that the highest, leftmost bit that finger is aimed at or the immediate button of finger tip block and be decided to be effectively, shielded all the other and blocked, realized the operator scheme of each key.For this reason, the control of elevator or automatic teller machine and actuator part need not be changed, and only must change key panel, increase the signal central processing unit simultaneously, and the signal of output enters the control unit of former machine just can finish repacking.
The execution mode that this non-contact intelligent key switch is applied to surgical apparatus control is:
When carrying out ESS such as laparoscope, usually need to adjust the intensity of cold light source brightness, electric knife etc., because of aseptic requirement, can't contact these switches when surgical doctor operation towel need be adjusted, the nurse that can only require to cruise operates under platform.Both lost time and manpower, also usually do not reached operator's requirement.If use this non-contact intelligent key switch, packet assembling is a switchboard, is lifted on the position that is fit to operator or assistant's operation on the operating table, and the sterilization hyaline membrane is wrapped in the outside, and the operator can control relevant device easily under the situation of not touching.Even touch because of carelessness, also there is the sterilization film to intercept, can not pollute.Unit switch can be set to the upper, middle and lower combination.Middle single length is opened, two vice-minister is closed; Long opening under the situation blocked bit switch, forms classification according to the time limit and adds up; Long opening under the situation blocked down bit switch, according to tired the subtracting of time limit formation classification.If add write switch, attractor switch etc., various operations and special treatment can both allow the operator control freely.
We have finished the sample of function test the main pattern of above non-contact intelligent key switch, confirm through operation, have the practical function and the application prospect of industrialization fully, are worth of widely use.
Claims (7)
1. the control method of a non-contact intelligent key switch, it is characterized in that, need not directly to touch, in the certain distance that virtual key switch front is provided with on demand, as long as have finger or object to block, key switch will be connected, and produce signal, substitute the function of former touch type key switch, pass to signals such as former actuator is realized turning on light, ventilation, transmission of digital, start function such as certain system.
2. the control method of a kind of non-contact intelligent key switch as claimed in claim 1 is characterized in that, this key switch is made up of the circuit that transmits and receives that is arranged side by side.Signal that radiating circuit is launched such as infrared ray or laser or electromagnetic wave or ultrasonic wave etc. can penetrating dividing plate or micropores through the key switch interface, enter the key switch dead ahead, after experience finger or object etc. block fold back, return the receiving circuit in the key switch through the key switch interface, the connection signal of its generation, substitute the connection signal of former touch type key switch, pass to the actuator of former key switch, realize its function.
3. the control method of a kind of non-contact intelligent key switch as claimed in claim 1 or 2, it is characterized in that, after this key switch receives the signal of turning back, at first enter a central processing unit, control receiving circuit in each key switch by written program and receive the continuous signal of returning and only produce a connection signal and give actuator.If the time that this connection signal is kept continuously surpasses the time limit that is provided with as required, this key switch will increase reporting to the police of sound or light in limited time, submit to block that object is removed or the maintenance personal keeps in repair to.Through after the stipulated time, the button restore funcitons.
4. as the control method of the described a kind of non-contact intelligent key switch of claim 1 to 3, it is characterized in that, after this key switch receives the signal of turning back, at first enter a central processing unit, by increase by written program one prolong and add up, classification adds up, the tired function that subtracts, the signal of output is extended to time limit of regulation, and perhaps up time adds up, classification strengthens or reduce semiotic function finishes the work of a specified time and respective strengths to guarantee actuator.
5. as the control method of the described a kind of non-contact intelligent key switch of claim 1 to 3, it is characterized in that, this non-collision formula intelligent key switch is set to a plurality of arranged type key switch combinations, each push button signalling enters a signal central processing unit jointly, be defined as by written program: at every turn only produce one and effectively block signal because of blocking to turn back, if produce the connection signal of a plurality of virtual keys simultaneously, then do not produce effective connection signal and give actuator, and make the bright lamp of this key or the sign of a sound occurs, require finger or other shelters to leave this key position and carry out button again.The clear key function is set, removes a confirmed last signal; The reset key function is set, resets after cancelling whole signals.
6. as the control method of the described a kind of non-contact intelligent key switch of claim 1 to 5, it is characterized in that, the multiple function that this non-collision formula intelligent key switch is provided with, be applied to the virtual key formula operation of touch-screen too, realize the non-contact intelligent key switch function of touch-screen.
7. the control system of a non-contact intelligent key switch is characterized in that described system comprises: virtual key dividing plate, radiating circuit, receiving circuit, signal central processing unit, acousto-optic display module, actuator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010166297A CN101814910A (en) | 2010-04-30 | 2010-04-30 | Control method of non-contact intelligent key switch and system thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010166297A CN101814910A (en) | 2010-04-30 | 2010-04-30 | Control method of non-contact intelligent key switch and system thereof |
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| CN101814910A true CN101814910A (en) | 2010-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201010166297A Pending CN101814910A (en) | 2010-04-30 | 2010-04-30 | Control method of non-contact intelligent key switch and system thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102779224A (en) * | 2011-05-13 | 2012-11-14 | 三商行股份有限公司 | Meal ordering system and device |
| CN106230423A (en) * | 2016-07-11 | 2016-12-14 | 武汉百络优物联科技有限公司 | A kind of touch-switch |
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| CN2689596Y (en) * | 2004-03-13 | 2005-03-30 | 惠州雷士工业发展有限公司 | Anti-interference non-contact switches |
| CN2886920Y (en) * | 2005-12-20 | 2007-04-04 | 江苏圣蓝科技有限公司 | Non contact induction switch for lighting of textile instrument screen |
| CN101370338A (en) * | 2008-09-23 | 2009-02-18 | 杭州鸿雁智能科技有限公司 | Non-contact induction type multigang control electronic combination switch |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6375082B1 (en) * | 1998-03-24 | 2002-04-23 | Kabushiki Kaisha Toshiba | Portable electronic device with contacting and noncontacting interfaces |
| CN1405426A (en) * | 2002-10-30 | 2003-03-26 | 上海奥达光电子科技有限公司 | Photoelectric intelligent door safety system |
| CN2619415Y (en) * | 2003-05-06 | 2004-06-02 | 深圳清华大学研究院 | Non-contact/contact type double function lift button switch |
| CN2689596Y (en) * | 2004-03-13 | 2005-03-30 | 惠州雷士工业发展有限公司 | Anti-interference non-contact switches |
| CN2886920Y (en) * | 2005-12-20 | 2007-04-04 | 江苏圣蓝科技有限公司 | Non contact induction switch for lighting of textile instrument screen |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102779224A (en) * | 2011-05-13 | 2012-11-14 | 三商行股份有限公司 | Meal ordering system and device |
| CN106230423A (en) * | 2016-07-11 | 2016-12-14 | 武汉百络优物联科技有限公司 | A kind of touch-switch |
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Addressee: Wang Youfu Document name: Notification of Passing Preliminary Examination of the Application for Invention |
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Application publication date: 20100825 |