CN203683950U - Anti-shake system - Google Patents
Anti-shake system Download PDFInfo
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- CN203683950U CN203683950U CN201320865504.0U CN201320865504U CN203683950U CN 203683950 U CN203683950 U CN 203683950U CN 201320865504 U CN201320865504 U CN 201320865504U CN 203683950 U CN203683950 U CN 203683950U
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- button
- switch
- keys
- current potential
- signal
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Abstract
The utility model discloses an anti-shake system which is used for eliminating an influence of shake during key pressing and release on working of a washing machine. The anti-shake system comprises keys arranged on a panel of the washing machine, a return piece supporting the keys and allowing the keys to return after elimination of pressing forces of the keys, a switch driven by the keys and used for making and breaking a circuit, a potential reset device electrically communicated with the switch and used for setting a potential of the switch, a signal generator used for generating pressed signals and released signals of the keys, a time delayer used for emitting the pressed signals or the released signals of the keys in a delay manner, and a central control unit used for controlling the switch, the potential reset device, the signal generator and the time delayer. The time delayer emits a signal requiring the central control unit to process only when states of the keys maintain the preset time, so that the central control unit cannot generate misjudgment due to occasional disturbance of the keys; and the central control unit can obtain the correct states of the keys only by responding the states of the keys once, so that an operation interface of the washing machine is optimized.
Description
Technical field
The application relates to a kind of anti-shake system, more particularly, relating to a kind of central controller that makes using on washing machine can be because the accidental disturbance of button produces erroneous judgement, and central controller only needs the state response of button once just can obtain the anti-shake system of correct key-press status simultaneously.
Background technology
On the control panel of washing machine, be typically provided with multiple buttons, indicator lamp and display.Button is for the working method of washing machine.Indicator lamp coordinates button work.Light-emitting diode display is used for showing laundry or dewatering time.
Open after the power switch of washing machine, if a little less than wash indicator lamp and be lit, show that washing machine work at present is in weak mold cleaning formula, motor is only to a direction running.If select to wash by force mode of operation, only need by " increasing " button, be arranged to wash by force mode of operation.
After setting completed washing mode, by " programming is selected " button, " washing times " indicator lamp is lit.Now by " increasing " or " subtracting " button, washing times just can be set.
After washing times sets, by " programming is selected " button, indicator lamp " laundry time " is lit, and now push button " increasing " or " subtracting " just can arrange the laundry time.
After laundry set of time is good, click " programming is selected " button, indicator lamp " dewatering time " is lit, and now push button " increasing " or " subtracting " just can arrange dewatering time.
Set after the mode of operation of washing machine, press " startup " button, washing machine is just started working.The laundry time that washing machine arranges user automatically, divided by washing times, is changed the water time at every turn, and the laundry time arranging as user is 80 minutes, and washing times is 4 times, and washing machine is moved one time water certainly every 20 clocks.In the process of laundry, indicator lamp " laundry remaining time " is lit, and the numeral that now light-emitting diode display shows is for doing washing remaining time.
In multiple buttons that the control panel of washing machine is provided with, each button has all adopted pull-up resistor, and this is in order to ensure the definite high potential of each switch access port in the time that button disconnects.Determinant keyboard is for the more occasion of number of keys, and it is made up of line and alignment, and button is positioned on the crosspoint of row, column.Button in the design is matrix keyboard.
Button is arranged on row, column line intersection point, and row, column line is connected respectively to the two ends of key switch.Line is by receive+5v of pull-up resistor.While pressing without button, line is in high potential state, and in the time having button to press, and line potential state will be determined by the current potential of the connected alignment of line therewith.The current potential of alignment is low if, and line current potential is low; The current potential of alignment is high if, and the current potential of line is also high.
While locating the button in the time triggering state, first all alignments are all set to electronegative potential and check whether each line current potential changes, if changed, explanation has key to be pressed, if do not changed, illustrates without key and is pressed.
The method of the concrete button of above-mentioned identification, also referred to as scanning method, has scanned by central controller.
In the time locating concrete button, in prior art, cannot distinguish that the vacation of button in accidental disturbance triggers or false release conditions or the actuation of keys of really being brought by operator's operation, while pressing due to button, the fluctuation central controller of current potential must carry out Multiple-Scan and could determine to switch current potential the triggering state of button simultaneously.
Utility model content
In order to overcome the deficiencies in the prior art, the object of this invention is to provide a kind of concrete state of button and central controller can distinguished and can complete by switch current potential being carried out to single pass the judgement that button is triggered to state.The invention provides a kind of anti-shake system, to washing machine, work exerts an influence in shake when pressing and discharge for eliminating button, comprise the button being arranged on Washing Machine Panel, accept button and eliminate the return unit that button is resetted in key press, driven by button and for the switch of on-off circuit, described anti-shake system also comprise with switch electrical communication for the current potential replacement device of switch current potential is set, for generation of be pressed signal and be released the signal generator of signal of button, send be pressed signal or be released the delayer of signal of button for time delay, and for gauge tap, current potential replacement device, the central controller of signal generator and delayer.
Preferably, described current potential replacement device is for the current potential of switch is set, and when button is pressed while making switch be switched to on-state from off-state, the current potential of putting switch is electronegative potential; In the time that button is switched to off-state from on-state, the current potential of putting switch is high potential.
Preferably, described delayer is pressed and is released signal for selectively sending or do not send button, sends button when constant and is pressed or is released signal when switch current potential maintains the scheduled time; In the time that switch current potential changes in the given time, not sending button is pressed and is released signal.
Preferably, the described scheduled time is adjustable.
Preferably, the described scheduled time is between 5ms-15ms.
Preferably, the described scheduled time is 10ms.
Preferably, the button that described central controller sends according to delayer is pressed or is released the work of signal controlling washing machine.
Preferably, described central controller is arranged at single-chip microcomputer.
Preferably, the button on panel has several, the corresponding ranks value of each button.
Preferably, described reset key is elastic silica gel or spring.
The present invention at least has following technique effect: central controller can be because the accidental disturbance of button produces erroneous judgement, and central controller only needs the state response of button once just can obtain correct key-press status simultaneously, has optimized the operation interface of washing machine.
Brief description of the drawings
Fig. 1 is the panel schematic diagram of the washing machine that relates to of the utility model.
Fig. 2 is the schematic diagram of anti-shake system of the present utility model.
Output voltage waveform when Fig. 3 is button operation of the present utility model.
Detailed description of the invention
Please refer to Fig. 1 to Fig. 3, a kind of anti-shake system 100, to washing machine, work exerts an influence the shake when pressing and discharge for eliminating button.Anti-shake system 100 comprises the button that is arranged on Washing Machine Panel, accept button and eliminate in key press return unit that button is resetted, driven by button and for the switch 1 of on-off circuit, with switch 1 electrical communication for the current potential replacement device 2 of switch 1 current potential is set, for generation of be pressed signal and be released the signal generator 3 of signal, send be pressed signal or be released the delayer 4 of signal of button for time delay of button, and for the central controller 5 of gauge tap 1, current potential replacement device 2, signal generator 3 and delayer 4.Delayer 4 just sends the signal that requires central controller 5 to process in the time of the scheduled time of state maintenance of button, make central controller 5 can not produce erroneous judgement because of the accidental disturbance of button, central controller 5 only needs the state response of button once just can obtain correct key-press status simultaneously, has optimized the operation interface of washing machine.
As shown in Figure 1, the panel of washing machine is for selecting according to actual state for operator.Panel is provided with the button that some matrix forms distribute.Button is arranged on row, column line intersection point.The corresponding ranks value of each button.Button is made up of flexible material conventionally, makes operator presses comfortable.
Return unit is accepted button.Button is positioned at primary importance under normal conditions.In the time that being subject to pressing force, button is deformed to the second place from primary importance.After pressing force is eliminated, return unit resets button.The size of return unit and the size of button are roughly the same, and return unit can carry button evenly like this, and can not cause local pressure, more comfortable while making operator presses.Preferably, return unit can be elastic silica gel or spring.
Please refer to Fig. 2, switch 1 is driven by button and for the circuit of break-make washing machine.Preferably, this switch 1 is and door that such switch 1 is simple in structure, cost is low, be difficult for inefficacy.Row, column line is connected respectively to the two ends of key switch 1.In the present invention, switch 1 is determinant distribution interface.In alternative embodiment, switch 1 interface can also be free-standing interface, and each switch 1 respectively connects an input line, can judge easily that switch 1 is operated, thereby judge the concrete button being pressed by the potential state that detects input line.Stand alone type interface needs more input port line and circuit structure complexity, so free-standing interface switch 1 is applicable to the occasion that switch 1 is less or service speed is higher.
Current potential replacement device 2 is for arranging the current potential of switch 1.When button is pressed while making switch 1 be switched to on-state from off-state, the current potential of putting switch 1 is electronegative potential; In the time that button is switched to off-state from on-state, the current potential of putting switch 1 is high potential.In the present invention, line is by receive+5v of pull-up resistor.While pressing without button, line is in high potential state, and in the time having button to press, and line potential state will be determined by the current potential of the connected alignment of line therewith.The current potential of alignment is low if, and line current potential is low; The current potential of alignment is high if, and the current potential of line is also high.
Delayer 4 is pressed and is released signal for selectively sending or do not send button.Send button when constant and be pressed or be released signal when switch 1 current potential maintains the scheduled time; In the time that switch 1 current potential changes in the given time, not sending button is pressed and is released signal.Please refer to Fig. 3, line output voltage waveforms during for button closure.Shake time length is relevant with the mechanical property of switch 1, is generally 5ms-10ms.Preferably, the scheduled time is adjustable, can adjust delayer 4 according to actual conditions like this, has increased the adaptability of delayer 4.Preferably, the scheduled time is between 5ms-15ms.Preferred, the scheduled time is 10ms, and the scheduled time can be not oversize and shakes the impact on current potential simultaneously can effectively prevent from pressing time like this.
The button that central controller 5 sends according to delayer 4 is pressed or is released the work of signal controlling washing machine.The work that central controller 5 is controlled washing machine is to realize by calling the program that different buttons is corresponding.In present embodiment, central controller 5 is arranged at single-chip microcomputer, and the size of central controller 5 can be accomplished very little like this.The single-chip microcomputer using in the present invention is 8051 single-chip microcomputers.
Claims (10)
1. an anti-shake system, the impact that shake when pressing and discharge for eliminating button produces washing machine work, comprise the button being arranged on Washing Machine Panel, the return unit of accepting button and after key press is eliminated, button being resetted, driven by button and for the switch of on-off circuit, it is characterized in that: described anti-shake system also comprise with switch electrical communication for the current potential replacement device of switch current potential is set, for generation of be pressed signal and be released the signal generator of signal of button, send be pressed signal or be released the delayer of signal of button for time delay, and for gauge tap, current potential replacement device, the central controller of signal generator and delayer.
2. anti-shake system according to claim 1, is characterized in that: described current potential replacement device is for the current potential of switch is set, and when button is pressed while making switch be switched to on-state from off-state, the current potential of putting switch is electronegative potential; In the time that button is switched to off-state from on-state, the current potential of putting switch is high potential.
3. anti-shake system according to claim 1, is characterized in that: described delayer is pressed and is released signal for selectively sending or do not send button, sends button when constant and is pressed or is released signal when switch current potential maintains the scheduled time; In the time that switch current potential changes in the given time, not sending button is pressed and is released signal.
4. anti-shake system according to claim 3, is characterized in that: the described scheduled time is adjustable.
5. anti-shake system according to claim 3, is characterized in that: the described scheduled time is between 5ms-15ms.
6. anti-shake system according to claim 3, is characterized in that: the described scheduled time is 10ms.
7. anti-shake system according to claim 1, is characterized in that: the button that described central controller sends according to delayer is pressed or is released the work of signal controlling washing machine.
8. anti-shake system according to claim 1, is characterized in that: described central controller is arranged at single-chip microcomputer.
9. anti-shake system according to claim 1, is characterized in that: the button on described panel has several, the corresponding ranks value of each button.
10. anti-shake system according to claim 1, is characterized in that: described return unit is elastic silica gel or spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320865504.0U CN203683950U (en) | 2013-12-25 | 2013-12-25 | Anti-shake system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320865504.0U CN203683950U (en) | 2013-12-25 | 2013-12-25 | Anti-shake system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203683950U true CN203683950U (en) | 2014-07-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320865504.0U Expired - Fee Related CN203683950U (en) | 2013-12-25 | 2013-12-25 | Anti-shake system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203683950U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105937130A (en) * | 2016-07-11 | 2016-09-14 | 苏州工业职业技术学院 | Full-automatic intelligent washing machine |
| CN107231157A (en) * | 2016-03-23 | 2017-10-03 | 浙江正泰电器股份有限公司 | The controller of key scanning method and low-voltage electrical apparatus |
-
2013
- 2013-12-25 CN CN201320865504.0U patent/CN203683950U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107231157A (en) * | 2016-03-23 | 2017-10-03 | 浙江正泰电器股份有限公司 | The controller of key scanning method and low-voltage electrical apparatus |
| CN105937130A (en) * | 2016-07-11 | 2016-09-14 | 苏州工业职业技术学院 | Full-automatic intelligent washing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140702 Termination date: 20161225 |