CN1011896B - Power switch controller of washer etc. - Google Patents
Power switch controller of washer etc.Info
- Publication number
- CN1011896B CN1011896B CN 87105286 CN87105286A CN1011896B CN 1011896 B CN1011896 B CN 1011896B CN 87105286 CN87105286 CN 87105286 CN 87105286 A CN87105286 A CN 87105286A CN 1011896 B CN1011896 B CN 1011896B
- Authority
- CN
- China
- Prior art keywords
- switch
- power
- mentioned
- solenoid
- power switch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Images
Landscapes
- Keying Circuit Devices (AREA)
- Control Of Voltage And Current In General (AREA)
- Power Conversion In General (AREA)
- Washing And Drying Of Tableware (AREA)
- Control Of Washing Machine And Dryer (AREA)
Abstract
To improve the safety, by stopping the power supply to a control circuit after the operation of an electric machine or appliance. This is an application of a power source switching control device to a full automatic washing machine, where an AC power source 1 supplies power to each load through a contact 2a of a power source switch 2. Each load as such is composed of a series connecting substance of switching devices 3a and 3b and a motor 4, a series connecting substance of a switching device 3c and a drain solenoid 5, a series connecting substance of a switching device 3d and a feed valve 6, and a series connecting substance of a switching device 3e and an electromagnetic coil 2b. A control circuit 8 to control these switching devices are composed of a microcomputer, to which an operation indicating input circuit 9 is connected. After the predetermined programme sequence is operated by pushing a power switch 2, the control circuit 8 conducts current to the electromagnetic coil 2b to release the ON-state and cut off a power source 1. Unnecessary power consumption is eliminated as a result.
Description
The present invention relates to home-use electric machine, particularly the power supply switch controller of washing machine or drying machine etc.
Existing this power supply switch controller has formation as shown in Figure 4.1 is AC power in Fig. 4, and 2 is press button, by this press button 2 electric power of AC power 1 is supplied with control loop 3 and load circuit 4.5 for representing input circuit by key switch and the operation that the expression part is formed.
The as above power supply switch controller that is constituted, at first the user of machine will connect as the press button 2 of power switch, AC power 1 is added on control loop 3 and the load circuit 4 then, input by operation expression input circuit 5, send instruction to control loop 3, the running of the electric machine by controlling washing machine etc. with these control loop 3 control load loops 4.
But, as existing as with press button 2 as the power switch of control loop 3, then when the electric machine of washing machine etc. be all over fixed running, and cut off after the electric power of load circuit 4 is supplied with, because press button 2 is in on-state always, till user's split key switch 2, in control loop 3, also have and continue the wasting problem of power consumption.And because press button 2 still is in on-state, finish afterwards can to make control loop 3 that abnormal operations take place in running from outside noise signal etc., and, the danger of the unexpected entry into service of electric machine is arranged, so aspect security, have problem to load circuit 4 power supplies.
The objective of the invention is to after the electric machine running finishes, can not supply with unnecessary electric power, and make control loop can not carry out abnormal operation, so security improves to control loop in order to solve such problem.
In order to achieve the above object, the present invention possesses the power switch that is connected in series with power supply is arranged, by the load circuit of this power switch power supply and the control loop of load circuit, set the key switch operation expression input circuit of control content, remove the solenoid that above-mentioned power switch keeps on-state.The formation of above-mentioned control loop make after fixed running finishes, as through fix time and then solenoid done the energising of short cycle, and cut off above-mentioned power switch, after the above-mentioned power switch that coexists becomes on-state, behind the process certain hour, as not showing that to above-mentioned operation table the key switch of input circuit imports, then above-mentioned solenoid is also done the energising of short cycle and the switch of cutting off the electricity supply.
Because this formation arranged, after the operation of a machine finishes, can not supply with unwanted electric power, and can remove because of the excessive noise signal next etc. and make machine begin the unexpected danger that turns round from the outside to control loop.
According to the present invention, make pressing power switch decide after the agenda running, control loop makes the solenoid energising, removes on-state and cuts off the electricity supply, and wastes so do not have power consumption.And because week property ground adds pulse current to solenoid, so can prevent to burn out coil because of the saturated heating of solenoid, and after pressing power switch, turning round not according to the key switch of operation expression input circuit all the time when beginning owing to just do not cut off the electricity supply, so also can prevent because of the excessive unexpected entrys into service of caused machine such as noise signal from the outside through behind the certain hour.
Fig. 1 is the oscillogram that is added to the drive current on the solenoid of same device for loop diagram, Fig. 2 as the power supply switch controller that is applied to automatic washing machine of one embodiment of the invention, Fig. 3 represents flow chart that same device is controlled, and Fig. 4 is the loop diagram of existing power supply switch controller.
Below embodiments of the invention are described with Fig. 1-Fig. 3.Present embodiment is that power supply switch controller is applied to automatic washing machine as a kind of electric machine.AC power 1 is powered to each load by the contact 2a of power switch 2 in Fig. 1.Promptly to the body that is connected in series of switching device 3a, 3b and motor 4, switching device 3c and draining be with the body that is connected in series of solenoid 5, the body that is connected in series of switching device 3b and feed water valve 6, and the body power supply that is connected in series of switching device 3e and solenoid 2b.And switching device 3a, 3b are connected to the main winding of motor 4, auxiliary winding, to control its forward running.With solenoid 5, switching device 3d is to feed water valve 6 to draining for switching device 3c, and switching device 3e is to the solenoid 2b of power switch 2 control of switching on respectively.These switching devices 3a-3e carries out switch control by control loop 8, and carries out the action control of each load.7 is the capacitor of drive motor 4 usefulness.The control loop 8 of gauge tap device 3a-3e is made up of microelectronic computer, is connected with operation expression input circuit 9 at the input/output port place, and this input circuit is made up of the expression portion of the key switch of setting the control content and expression state of a control.
Then the action to the power supply switch controller of above-mentioned formation describes.At first, as press 2 contact 2a of power switch closure, mechanically keep, and to control loop 8 power supplies, by the key switch of operation expression input circuit 9 is operated, along with fixed programmed order, through switching device 3a-3d control motor 4 successively, draining is moved with solenoid 5, feed water valve 6.In the normal operation of automatic washing machine, do not drive solenoid 2b.After running finishes, through (for example after 10 minutes) behind the predefined certain hour to the solenoid 2b certain hour (50-100 millisecond) of periodically powering as shown in Figure 2, mechanical latch (not shown) is thrown off,, cut off AC power 1 so the contact 2a of power switch 2 disconnects.Period T in Fig. 2.With about 1 second be the best, and pulse width T
1As mentioned above, be the best with the 50-100 millisecond.That is, drive the time T of solenoid 2b
1With greater than actuation time (being generally 20 milliseconds) of solenoid 2b for good, and, make the mechanical latch disengagement surely by driving for several times just in case mechanical latch when not throwing off, only depends on 1 drivings of pulse to can't cut sometimes.And as make pulse width T
1The elongated danger that then has solenoid 2b scaling loss, driving then with switching on continuously, the danger of solenoid 2b scaling loss can become bigger.
Then the control action of control loop 8 is described according to Fig. 3, at first in step 801, press power switch 2 after, in step 802, start timer.In step 803, the time T of predefined time t and timer is compared then.Then in step 804 judge whether press key switch import at setting-up time t with interior as the time T of timer.As do not have input and then turn back to step 803.As in setting-up time t, pressing key switch timer is disconnected, carry out step 806-808 fixed running, running finishes in step 809.In step 803 as judge do not press key switch in the fixed time t, then in step 810, periodically drive solenoid 2b, mechanical latch is thrown off, contact 2a is disconnected, and judge whether to cut off the electricity supply, as not cutting off, then carry out the action of step 810 once again.And as running finishes; Then starting timer T in step 802 carries out same control later on, as still there not being the key switch input, is about to the power switch cut-out behind the t that fixes time of process institute.
Present embodiment is applied to automatic washing machine, but also can be used for electric machines such as clothes dryer or eating utensils cleaning machine, is used for the machine that control loop controls to load energising just can obtain same effect as long as mainly be.
Claims (2)
1, the power supply switch controller of a kind of washing machine etc., comprise the power switch that is connected in series with the power supply work, through the load circuit of this power switch power supply and the control loop of load circuit, set the key switch operation expression input circuit and the solenoid of control content, in case it is characterized in that being about to the mechanical latch mechanism that this switch remains on on-state after above-mentioned power switch has this switch motion, and above-mentioned control loop after fixed running finishes, still there is not aforesaid operations to represent that the key switch of input circuit imports as fixing time through institute, then carry out short time energising removing the on-state of the above-mentioned power switch that keeps by above-mentioned mechanical latch mechanism, thereby cut off above-mentioned power switch to above-mentioned solenoid.
2, power supply switch controller as claimed in claim 1 is characterized in that above-mentioned control loop intercycle ground between short-term switches on repeatedly to above-mentioned solenoid.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP252215/86 | 1986-10-23 | ||
| JP61252215A JPH0744822B2 (en) | 1986-10-23 | 1986-10-23 | Power supply opening / closing control device for washing machines |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN87105286A CN87105286A (en) | 1988-05-04 |
| CN1011896B true CN1011896B (en) | 1991-03-06 |
Family
ID=17234109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 87105286 Expired CN1011896B (en) | 1986-10-23 | 1987-07-30 | Power switch controller of washer etc. |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPH0744822B2 (en) |
| CN (1) | CN1011896B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2523798B2 (en) * | 1988-06-29 | 1996-08-14 | 松下電器産業株式会社 | Washing machine controller |
| KR0159620B1 (en) * | 1995-11-09 | 1999-01-15 | 김광호 | Power apparatus of a washing machine with an automatic door open-shut apparatus |
| JP4084694B2 (en) | 2003-04-22 | 2008-04-30 | シャープ株式会社 | Washing machine |
| DE102007058376C5 (en) | 2007-12-05 | 2012-09-06 | BSH Bosch und Siemens Hausgeräte GmbH | Circuit arrangement for operating a household appliance |
| CN102966919A (en) * | 2012-11-26 | 2013-03-13 | 广州市大业工业设计有限公司 | Swinging structure for illumination product |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59156347U (en) * | 1983-04-04 | 1984-10-20 | サンケン・エアパクス株式会社 | circuit breaker device |
| JPS60119990A (en) * | 1983-12-05 | 1985-06-27 | 三菱電機株式会社 | Electric washer |
| JPS60156493A (en) * | 1984-01-26 | 1985-08-16 | シャープ株式会社 | Control apparatus of washer |
-
1986
- 1986-10-23 JP JP61252215A patent/JPH0744822B2/en not_active Expired - Fee Related
-
1987
- 1987-07-30 CN CN 87105286 patent/CN1011896B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CN87105286A (en) | 1988-05-04 |
| JPH0744822B2 (en) | 1995-05-15 |
| JPS63107456A (en) | 1988-05-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5150489A (en) | Apparatus and method for controlling a washing machine | |
| CA2351650A1 (en) | Laundry machine | |
| JPH012692A (en) | Washing machine with auto-off power supply | |
| JPH0543396B2 (en) | ||
| CN1011896B (en) | Power switch controller of washer etc. | |
| KR910008352Y1 (en) | Power switching apparatus for a washing machine | |
| KR920005857B1 (en) | Washing machine | |
| JP3739199B2 (en) | Electronic or electrical equipment | |
| KR920006358B1 (en) | Washing machine pre-engagement system | |
| JP2523798B2 (en) | Washing machine controller | |
| JP2904973B2 (en) | Control device for electrical equipment | |
| JPH0766706B2 (en) | Power switchgear | |
| JPH06105583B2 (en) | Power supply opening / closing control device for washing machines | |
| JPS5941823Y2 (en) | automatic washing machine | |
| JPH1155977A (en) | Control circuit for capacitor motor and dewatering device provided with the control circuit | |
| JPS5823347Y2 (en) | Dehydrating washing machine control device | |
| EP0346793A1 (en) | A means for quickly stopping the rotation of the motor of a washing machine or a combined washer and dryer for laundry | |
| KR100998904B1 (en) | device for controlling break energy in washing machine and method for controlling the same BLDC motor | |
| JPS5822710Y2 (en) | Control device for two-tub type washing machine | |
| JPS5934473Y2 (en) | washing machine | |
| EP0602423B1 (en) | Control device for an actuating element in washing machines, particularly a dishwasher, supplied starting from an alternate voltage | |
| JPH0117278Y2 (en) | ||
| KR0140625B1 (en) | Door opening apparatus of the drum type washing machine | |
| RU2021403C1 (en) | Heater | |
| JPS588229Y2 (en) | Dehydration rinse control device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C13 | Decision | ||
| GR02 | Examined patent application | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C15 | Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993) | ||
| OR01 | Other related matters | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |