CN102042655B - Touch display screen of air conditioner - Google Patents
Touch display screen of air conditioner Download PDFInfo
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- CN102042655B CN102042655B CN 200910308374 CN200910308374A CN102042655B CN 102042655 B CN102042655 B CN 102042655B CN 200910308374 CN200910308374 CN 200910308374 CN 200910308374 A CN200910308374 A CN 200910308374A CN 102042655 B CN102042655 B CN 102042655B
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- key
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- air conditioner
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- printing opacity
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000007639 printing Methods 0.000 claims description 27
- 229910052799 carbon Inorganic materials 0.000 claims description 14
- 239000000428 dust Substances 0.000 claims description 14
- 239000003086 colorant Substances 0.000 claims description 4
- 239000011159 matrix material Substances 0.000 claims description 4
- 230000004044 response Effects 0.000 abstract description 8
- 230000035945 sensitivity Effects 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 abstract 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 abstract 1
- 230000006870 function Effects 0.000 description 18
- 238000004378 air conditioning Methods 0.000 description 5
- 238000005057 refrigeration Methods 0.000 description 4
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- 238000010586 diagram Methods 0.000 description 2
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- MRNHPUHPBOKKQT-UHFFFAOYSA-N indium;tin;hydrate Chemical compound O.[In].[Sn] MRNHPUHPBOKKQT-UHFFFAOYSA-N 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
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- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
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- 238000005530 etching Methods 0.000 description 1
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- 239000003292 glue Substances 0.000 description 1
- -1 indium tin metal oxide Chemical class 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000001755 magnetron sputter deposition Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
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Images
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- Push-Button Switches (AREA)
Abstract
The invention relates to a touch display screen of an air conditioner, comprising a light-transmitting display panel, an LED (Light Emitting Diode) panel and a touch response circuit, wherein the light-transmitting display panel is directly provided with one or multiple basic function operation key areas of the air conditioner, such as a switching key, a refrigerating key, a heating key, a dehumidifying key, a wind direction key, a wind speed key, a temperature-increasing key and a humidity key; the surface of the inner side of the light-transmitting display panel is tightly adhered with an ITO (Indium Tin Oxide) conducting film touch key corresponding to each key area; the upper end of each ITO conducting film is provided with a carbon powder layer area; the LED panel and the touch response circuit are fixed on an installation structural slab; the installation structural slab is fixedly connected with the light-transmitting display panel; and a conductive spring is arranged between the carbon powder layer area and the touch response circuit. The touch display screen realizes a one-key touch function and a key lighting prompt function; a user can directly operate the function operation keys arranged on the light-transmitting display panel under the condition of the standby of the air conditioner so that the air conditioner fast enters a working state needed by the user; in addition, the invention also can effectively enhance the sensitivity of the touch keys.
Description
Technical field
The present invention relates to a kind of display unit of air-conditioner panel, particularly a kind of touch display screen of air-conditioner.
Background technology
Display screen on the cabinet air conditioner panel is along with the development of air-conditioning technical, and displaying contents is more and more abundanter, more and more becomes more meticulous, and the displaying contents of air-conditioning display screen is all that the user is to a kind of response of air-conditioning operating result and indication.Operation push-button content on domestic cabinet air conditioner Display panel screen comprises following 6 buttons substantially: on ﹠ off switch, mode key, wind direction key, wind speed key, temperature+key, temperature-key, these 6 buttons have also consisted essentially of the operation of all basic functions of air-conditioner.Comprise that except key " start " action and " shutdown " move outside these two functions, other button has all comprised the operational motion more than 2 kinds, 6 air-out control angles in vertical pendulum wind, the control angle of 6 air-out of horizontal direction etc. have been comprised as " wind direction " key, " wind speed " key has comprised a plurality of wind speed functions such as efficient wind speed, high wind speed, middle wind speed, low wind speed, quiet wind speed, the functions such as " pattern " key has comprised that everybody knows heats, freeze, dehumidifying, air-supply.By program cycle use mostly by control for the multiplex situation of a key in display screen, circulates with following form as the several functions inside " pattern " operation push-button:
Automatically → freeze → heat → dehumidifying → air-supply → ↓
↑←←←←←←←←←←←←←←↓
If maloperation in the circulation of button operation needs repeatedly repetitive operation " pattern " button to reach needed operator scheme position.If in the situation that adopt button operation, particularly uncomfortable with remote controller and the user of the display button operating air conditioner on panel commonly used, this mode must be brought inconvenience to the user.
In present cabinet air conditioner product, button on panel generally adopts mechanical key and touch-key, comparatively advanced capacitance type touch key technology successful Application on cabinet air conditioner wherein, capacitance type touch key is compared with mechanical key, has larger advantage, the first, capacitance type touch key does not need to destroy original product structure, has guaranteed the globality of product structure; The second, capacitance type touch key machinery-free life problems has guaranteed the button long term reliability.
In the application mode of this kind capacitance type touch key, in order to indicate user's touch location, need to clearly be identified at key position on display floater, this has often destroyed the globality of product appearance, affected the aesthetic appearance of product, in the situation that light is darker, the user also is not easy to differentiate the position of button, has caused operational difficulty.In order to address this problem, in the capacitance type touch key that has, used the ITO conducting film, the back side of being close to the Display panel zone, etching has some touch key-press zones for touch sensible on the ITO conducting film, the ITO conducting film is connected with control circuit board with metal pins by lead-in wire, and the signal of sensing is sent to control circuit, controls the peripheral operation that arranges of air-conditioner by control circuit.But the mode that adopts conducting film to connect by lead-in wire is being manufactured, and especially in maintenance process, easily causes the extrusion of conducting film lead-in wire, causes fracture or transmission of signal bad.The conducting film lead-in wire also easily becomes large because the circuit oxidation on the conducting film lead-in wire causes line impedance after long-term the use, reduce the sensitivity of touch key-press.
Summary of the invention
Main purpose of the present invention is to address the above problem and is not enough, and a kind of each basic function of key touch-control air-conditioning that realizes is provided, and effectively improves the touch display screen of air conditioner of touch key-press sensitivity.
For achieving the above object, technical scheme of the present invention is:
a kind of touch display screen of air conditioner, comprise the printing opacity display floater, LED display board and touch-responsive circuit, a plurality of operation push-buttons that belong to the air-conditioner basic function all are set directly at the touch key-press zone on described printing opacity display floater, inner surface at described printing opacity display floater is glued with ITO conducting film touch key-press with respect to each described key area, described ITO conducting film touch key-press divide electrically conducting transparent zone and transparent non-conductive regional, described transparent non-conductive area distribution is in the surrounding in electrically conducting transparent zone, upper end in described electrically conducting transparent zone is provided with the carbon dust layer region, described LED display board and touch-responsive circuit are fixed on the mounting structure plate, described mounting structure plate is fixedly connected with described printing opacity display floater, be provided with power spring between described carbon dust layer region and touch-responsive circuit.
The present invention further improves and is, forms corresponding to the LED display board of each key area a plurality of high-brightness LED lamps by two kinds of colors, shows respectively air-conditioner holding state and button operation state, and LED lamp matrix is by driving chip drives.
In described ITO conducting film, the area in transparent visual zone is slightly larger than the area of each luminous button on described printing opacity display floater.
content to sum up, touch display screen of air conditioner of the present invention, with on ﹠ off switch, refrigeration is strong, heat key, several basic function operated keys such as dehumidifying key are set directly on the display floater of cabinet air conditioner, by controlling software control, realize a key touch controllable function, the user is in the air-conditioner standby situation, function manipulation key on can the direct control display floater, make air-conditioner enter fast the needed duty of user, the user uses more convenient, reduce the inconvenience that maloperation brings, in addition, each the LED lamp matrix that is used as demonstration is comprised of the lamp of two kinds of colors, show respectively holding state and button operation state, this display mode is easy to identify, easy to operate, and the front panel of cabinet air conditioner is smooth smooth, without any protrusion, associative perception is strong.
The present invention utilizes power spring that ITO conducting film and touch-responsive circuit are coupled together, and be provided with a carbon dust layer region in the upper end of each ITO conduction region, guarantee when power spring pushes up this position, the tactile signal of hand on button is delivered in the input port of touch-responsive circuit, LED shows and the operation of air-conditioning ancillary equipment thereby control, so not only can improve the sensitivity of touch key-press, simultaneously, owing to being split between carbon dust layer and power spring, can conveniently realize the quick assembling of display floater, improve and produce assembling speed.
Description of drawings
Fig. 1 air-conditioner panel floor map of the present invention;
Fig. 2 ITO conductive film structure of the present invention schematic diagram;
Fig. 3 touch display screen structural representation of the present invention;
Fig. 4 touch-responsive circuit theory diagrams of the present invention.
As shown in Figures 1 to 4, printing opacity display floater 1, ITO conducting film touch key-press 2, touch-responsive circuit 3, carbon dust layer region 4, electrically conducting transparent zone 5, transparent non-conductive zone 6, power spring 7, mounting structure plate 8, operation push-button 9.
The specific embodiment
Below in conjunction with accompanying drawing and the specific embodiment, the present invention is described in further detail:
As shown in Figure 3, touch display screen of air conditioner of the present invention comprises the printing opacity display floater 1, ITO conducting film touch key-press 2, power spring 7, touch-responsive circuit 3, the mounting structure plate 8 that are positioned on the cabinet air conditioner front panel.
Wherein, LED display board and touch-responsive circuit 3 together are produced on a control circuit board, this control circuit board is arranged at the dorsal surface of printing opacity display floater 1, and control circuit board is fixed on mounting structure plate 8, and mounting structure plate 8 is fixedly connected with printing opacity display floater 1.
Upper end at each ITO conducting film touch key-press 2 is provided with carbon dust layer region 4, is provided with power spring 7 between carbon dust layer region 4 and touch-responsive circuit 3.
the floor map that has shown air-conditioner printing opacity display floater 1 in Fig. 1, this is a kind of brand-new button pattern, taken into full account user's operating habit, with switch, refrigeration, heat, dehumidifying, wind direction, wind speed, a plurality of operation push-buttons 9 that belong to the air-conditioner basic function such as adjustment all are set directly at the touch key-press zone on printing opacity display floater 1, control by the control chip in touch-responsive circuit 3, realize a key touch controllable function, the user is under the air-conditioner ideal case, can be by each operation push-button 9 on direct control printing opacity display floater 1, make air-conditioner enter fast the needed duty of user.
In the present embodiment, with two groups of above-mentioned 8 operation push-buttons, 9 apportions, wherein the left side 4 buttons be respectively: on ﹠ off switch, the key that freezes, heat key, the dehumidifying key; 4, right side button is respectively temperature+key, humidity-key, wind direction key, wind speed key.8 operation push-buttons 9 of left and right sides all adopt the design of visualization icon, and are easy to identify, easy to operate.
The light transmission of printing opacity display floater 1 requires to show character for the luminous button that can see the back clearly, can block again the shade that there is no luminous character and inner connection power spring 7.Printing opacity display floater 1 is after installation, require printing opacity display floater 1 to have semi-transparent performance, except allowing the luminous from exterior visual of highlighted display screen character, the printing opacity display floater wants shelter to surround other light in the space, to guarantee to touch luminous definition and the aesthetic of display button.
In the present invention, employing be the ITO conducting film as touch key-press, the ITO conducting film is the conductive transparent membrane in a kind of surface, ITO is tin indium oxide (abbreviation of indiumtinoxide English name).The manufacture craft of ITO conducting film is to pass through reactive magnetron sputtering method, the tin indium oxide plating is coated onto PET basically, this composite has good chemical stability, heat endurance and good figure processing characteristics, as the nano indium tin metal oxide, also have good electric conductivity and the transparency simultaneously.
Utilize the ITO conducting film as touch key-press, the finger of ITO conducting film and operation is kept apart, utilize the electric charge induction principle of human body to carry out work, when finger touch is on printing opacity display floater 1, due to people's bulk electric field, form a coupling capacitance between user and ITO conducting film touch key-press 2, thereby produce the touch-responsive signal.
As shown in Figure 2, the inner surface of each operation push-button 9 on printing opacity display floater 1 sticks with glue and posts the ITO conducting film, be provided with the carbon dust layer region 4 that is approximately 5mm * 5mm in the upper end of each ITO conducting film touch key-press 2, the purpose that carbon dust layer region 4 is set is for guaranteeing when power spring 7 pushes up this position, strengthen the electric conductivity of conducting film and power spring, make the hand on button touch the signal input that signal is delivered to touch-responsive circuit 3 smoothly.
5 zones with conductive characteristic that keep for ITO conducting film touch key-press 2, electrically conducting transparent zone, carbon dust layer region 4 just is arranged on the upper end in electrically conducting transparent zone 5, ITO conducting film touch key-press 2 is except electrically conducting transparent zone 5, all etch away other conductive coating, become transparent non-conductive zone 6, transparent non-conductive zone 6 is positioned at the surrounding in electrically conducting transparent zone 5.Guaranteed like this key area to the response characteristic of finger touch action, and function that can't the response of opponent's fingering row beyond the key area.Electrically conducting transparent zone 5 sizes require to be slightly larger than the area of each luminous button on printing opacity display floater 1, guaranteeing on outward appearance, and the display effect that the external circuit elements such as power spring 7 are not blocked button.
According to the content of above-mentioned air conditioner function operation push-button, totally 2 groups of minute 4, left side button, 4, right side buttons, the operation push-button arrangement mode of every group is identical.Adopt two identical ITO conducting films as touch key-press, each ITO conducting film is provided with 5 and 4 the carbon dust layer regions 4 in 4 electrically conducting transparent zones, 4 key areas on the corresponding printing opacity display floater 1 of difference, this has improved versatility and the machinability of ITO conducting film, reduces material cost.
As shown in Figure 3, power spring 7 one ends are weldingly fixed on the input of touch-responsive circuit 3, one end directly contacts with carbon dust layer region 4, when the user touches key area on printing opacity display floater 1, ITO conducting film touch key-press 2 will produce touch-responsive, by power spring 7, signal is passed to the touch-responsive circuit, thereby control the demonstration of LED display lamp and the operation of each ancillary equipment of air-conditioner.This structure makes power spring 7 and touch-responsive circuit 3 become one, and is split type with ITO conducting film touch key-press 2 simultaneously, conveniently realizes the quick assembling of printing opacity display floater 1, improves and produces assembling speed.
As shown in Figure 4, form corresponding to the LED display board of each key area LED lamp by two kinds of colors, generally select the LED lamp of other color of a plurality of highlighted white led lamps and a plurality of difference whites to form, LED lamp matrix is driven by display driver circuit, can by software control, realize that stepless brilliance is adjustable.
When the corresponding ITO conducting film of button touch key-press 2 did not have touch-responsive, button was with white high-brightness luminous, and namely under holding state, above-mentioned 8 buttons all show with white high-brightness light.When the corresponding ITO conducting film of this button touch key-press 2 is subject to touch-responsive, when being user's operation push-button, this button shows other color tips user who is different from white light at once, press the refrigeration key as the user, the blue lamp in the refrigeration key is lit, and white lamps is switched off, glow color is changed blue by white, represent that this button has been subject to touch-responsive, prompting user refrigerating function is opened, and similar function by luminous prompting also is used for other button that heats, blows, dehumidifies.
Control chip IC3 in touch-responsive circuit 3 is special-purpose touch-responsive chip, and this chip can be realized the separate responses of 12 road touch signals, and realizes high sensitivity response requirement.
The workflow of display panel control circuit is: touch control chip IC 3 sends to main control chip IC1 with a high level signal after receiving touch signal on ITO conducting film touch key-press 2.IC1 sends instructions to LED display driver control chip IC2 after receiving signal.By the control of IC2, can realize the Presentation Function of lighting of corresponding button.By the circuit of Fig. 4, also number of keys can be expanded to 12 even more, accommodation is wider.
The push button signalling of sampling passes to indoor control circuit by showing main control chip IC1 with signal, then indoor control circuit is exported control signal by routine processes and is come the ancillary equipment work such as drive compression machine, blower fan, cross valve, the work of realizing automatically, freeze, heat, blow, function and startup and shutdown thereof being controlled in dehumidifying, Temperature Setting, wind speed adjusting etc.
As mentioned above, the scheme content given with example, can derive similar technical scheme by reference to the accompanying drawings.In every case be the content that does not break away from technical solution of the present invention,, all still belong in the scope of technical solution of the present invention any simple modification, equivalent variations and modification that above embodiment does according to technical spirit of the present invention.
Claims (3)
1. touch display screen of air conditioner, comprise the printing opacity display floater, LED display board and touch-responsive circuit, it is characterized in that: a plurality of operation push-buttons that belong to the air-conditioner basic function all are set directly at the touch key-press zone on described printing opacity display floater, inner surface at described printing opacity display floater is glued with ITO conducting film touch key-press with respect to each described key area, described ITO conducting film touch key-press divide electrically conducting transparent zone and transparent non-conductive regional, described transparent non-conductive area distribution is in the surrounding in electrically conducting transparent zone, upper end in described electrically conducting transparent zone is provided with the carbon dust layer region, described LED display board and touch-responsive circuit are fixed on the mounting structure plate, described mounting structure plate is fixedly connected with described printing opacity display floater, be provided with power spring between described carbon dust layer region and touch-responsive circuit.
2. want 1 described touch display screen of air conditioner according to right, it is characterized in that: form corresponding to the LED display board of each key area a plurality of high-brightness LED lamps by two kinds of colors, show respectively air-conditioner holding state and button operation state, LED lamp matrix is by driving chip drives.
3. touch display screen of air conditioner according to claim 1, it is characterized in that: in described ITO conducting film touch key-press, the area of transparent region is slightly larger than the area of each luminous button on described printing opacity display floater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910308374 CN102042655B (en) | 2009-10-16 | 2009-10-16 | Touch display screen of air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910308374 CN102042655B (en) | 2009-10-16 | 2009-10-16 | Touch display screen of air conditioner |
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| Publication Number | Publication Date |
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| CN102042655A CN102042655A (en) | 2011-05-04 |
| CN102042655B true CN102042655B (en) | 2013-06-12 |
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| CN 200910308374 Expired - Fee Related CN102042655B (en) | 2009-10-16 | 2009-10-16 | Touch display screen of air conditioner |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104110785B (en) * | 2013-12-23 | 2017-01-18 | 广东美的制冷设备有限公司 | Air conditioner and awakening control method thereof |
| CN104796130A (en) * | 2015-04-30 | 2015-07-22 | 苏州西顿家用自动化有限公司 | Touch button for smart cookers |
| CN105258283B (en) * | 2015-10-12 | 2018-11-27 | 珠海格力电器股份有限公司 | Display panel component and air conditioner |
| CN107393750A (en) * | 2017-06-26 | 2017-11-24 | 奥克斯空调股份有限公司 | A kind of mounting structure of air conditioner touch key-press |
| CN109539466B (en) * | 2018-11-19 | 2021-10-26 | 广东美的制冷设备有限公司 | Control method of household appliance, air conditioner and storage medium |
| CN109240121B (en) * | 2018-11-19 | 2021-10-26 | 广东美的制冷设备有限公司 | Control method of household appliance, air conditioner and storage medium |
| CN110401436A (en) * | 2019-07-25 | 2019-11-01 | 南京华睿川电子科技有限公司 | A kind of touch key-press plate and preparation method thereof |
| CN110331560A (en) * | 2019-08-13 | 2019-10-15 | 南京创维家用电器有限公司 | A kind of washing machine with touch function display screen |
| CN110306325A (en) * | 2019-08-13 | 2019-10-08 | 南京创维家用电器有限公司 | A kind of roller washing machine panel touch control system |
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| CN1156542C (en) * | 2000-12-28 | 2004-07-07 | 突破光电科技股份有限公司 | Method for producing contact control screen linear pattern |
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|---|---|---|---|---|
| CN2390135Y (en) * | 1999-08-16 | 2000-08-02 | 广东科龙空调器有限公司 | Controller with back light LCD for air conditioner |
| EP1726889A1 (en) * | 2005-05-21 | 2006-11-29 | Lg Electronics Inc. | Method for controlling an air conditioning unit |
| CN1888670A (en) * | 2005-06-30 | 2007-01-03 | 乐金电子(天津)电器有限公司 | Panel structure for wired remote controller |
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| CN201535558U (en) * | 2009-10-16 | 2010-07-28 | 海信（山东）空调有限公司 | Touch display screen of air conditioner |
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| CN102042655A (en) | 2011-05-04 |
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Granted publication date: 20130612 |