CN1985043A - Method for reducing energy consumption in washing machine - Google Patents
Method for reducing energy consumption in washing machine Download PDFInfo
- Publication number
- CN1985043A CN1985043A CNA2005800230604A CN200580023060A CN1985043A CN 1985043 A CN1985043 A CN 1985043A CN A2005800230604 A CNA2005800230604 A CN A2005800230604A CN 200580023060 A CN200580023060 A CN 200580023060A CN 1985043 A CN1985043 A CN 1985043A
- Authority
- CN
- China
- Prior art keywords
- motor
- effective voltage
- washing machine
- wash mill
- power supply
- 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.)
- Pending
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Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
- D06F34/10—Power supply arrangements, e.g. stand-by circuits
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
- D06F2105/46—Drum speed; Actuation of motors, e.g. starting or interrupting
- D06F2105/48—Drum speed
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/30—Driving arrangements
- D06F37/304—Arrangements or adaptations of electric motors
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Control Of Washing Machine And Dryer (AREA)
- Control Of Ac Motors In General (AREA)
Abstract
Method for reducing energy consumption in a laundry machine of the automatic type and comprising: a washing means (L) to be rotatively driven by an electric motor (3) during the agitation and spinning phases, and a control means (4) which is operatively associated with the electric motor (3) so as to instruct energization thereof. Said method comprises the steps of: providing energization of the electric motor (3) upon start of each rotation of the washing means (L) in a direction, with a certain percentage of the effective voltage of the electric power supply; maintaining the full energization of the electric motor (3) during a predetermined period of time with an effective voltage at least equal to the certain percentage of the effective voltage of electric power supply to allow the electric motor (3) and the washing means (L) to reach a desired rotation regime; and adjusting the effective voltage applied to the electric motor (3) to a value sufficient to maintain a desired rotation regime of the washing means (L).
Description
Technical field
Thereby the present invention relates at least one operational phase of washing machine by regulate the method that the effective voltage that puts on described motor cuts down the consumption of energy according to the mode of operation that during its one or more operational phases, puts on motor, described washing machine can be top dress type or pre-installed type.
Background technology
As well known in the prior art, the motor that is used for washing machine is prescribed and is designed to have the ability that makes the all-mass motion, described all-mass is by the mechanism of washing machine and be arranged on load of clothes to be washed in the cylinder and form, the mechanism of washing machine comprises wash mill, and this wash mill constitutes by cylinder and by the impeller of motor rotation driving in some cases.During stirring and revolving process, the whole mobile component of washing machine, comprise the wash mill that load of clothes is housed, begin to reach the state that is rotated motion with the speed of determining from complete motionless state, described definite speed be in machine design, establish and be enough to produce desirable clean result or the water that remains in the load of clothes of having washed discharged acquire a certain degree.When revolving process begins, for example motor must produce huge power to overcome the movable member and the static inertia that is contained in the formed all-mass of load of clothes in the cylinder by washing machine, but after entering the proving operation mode of establishing rotating speed, motor just produces rotatablely move (the perhaps rotation) that very little power is kept the cylinder with load of clothes.Along with exceeding, the energy that receives maintains that it is the established demarcation rotation mode of the rotation required energy of work down, the major part that puts on all energy of motor is converted into heat, is set to the static inertia that overcomes when beginning to rotate because be fed to the energy size of motor.In the agitation phase of the load of clothes that immerses washing lotion, begin rotation or washing machine impeller at cylinder and begin each rotation circulation time towards one and/or other direction, similar situation can appear.
Should also be appreciated that, when motor when the agitation phase of washing machine starts, finish motor excitation (energization), to produce quick startup, cause the electric current of motor winding to enlarge markedly, this can reduce the life-span of described motor and bring unnecessary energy consumption to increase.
The lamp flicker that the electric current increase can cause being connected with the circuit that supplies energy into washing machine usually between the starting period, mainly to be washing machine take place under agitation phase may be reversed the situation of agitator fast for this.
Thereby, in the washing machine of routine, stirring and revolving process are finished by the motor that is supplied with power supply 100% effective voltage, therefore and receive to be higher than its operation is maintained energy required in the calibration mode of machine design, this causes unnecessary energy consumption, and portion of energy is converted to heat that is lost in the atmosphere and the life-span that certainly will reduce motor.
Although known prior art solutions is the energy supply of control motor, but this system has complicated structure, to during the different operating stage of washing machine, change the characteristic that receives and be fed to the energy of motor from power supply, and needing complexity and the high electronic installation of cost, this is infeasible for some structure of washing machine economically.In these prior art solutions, the parameter that changes the electric energy be fed to washing machine motor with electronic installation is controlled continuously by electronic control module, and also the frequency that is fed to the electric energy of washing machine by control changes the speed of motor.
Patent US 6,633, described a kind of known solution of controlling electric motor operated in the washing machine in 149.In the method for this prior art, the rotating speed of the control of motor by measuring motor, determine that difference between measuring speed and the setting speed and the operation of controlling motor by the trigger angle of control triode AC switch according to described difference realize.
The operation (rotation) that although the control device by washing machine utilizes the electronics of triode AC switch to switch controls motor, but described prior art solution still needs to be provided with the motor rotation detecting that is associated with the electronic-controlled installation operation, and comparison means is set on electronic-controlled installation, rotary speed that is used for relatively measuring and required speed, and, be used as the trigger angle of electronic switch with the triode AC switch of excited electric motor with electronic installation control at the different operating stage of washing machine adjusting motor speed.The purpose of invention disclosed is by rotation detecting, comparison means and control device being set with the operation at all operations stage of washing machine control motor in the above-mentioned patent, and this control device must be configured to handle the data that receive from rotation detecting and instruct the triode AC switch operation to be supplied to motor will keep the required effective voltage of each operational phase expectation rotation of washing machine.The method of described prior art needs at least one rotation detecting of complex control apparatus more and motor, and this has increased the cost of end product.
Summary of the invention
Because above-mentioned being awkward, and with one or more operating procedures of washing machine motor during excessive energy consumption relevant, the objective of the invention is provides a kind of method that cuts down the consumption of energy in the operating period of washing machine by a kind of very simple and low electronic-controlled installation of cost is set, described electronic-controlled installation is arranged as by the control device that has been provided with in described washing machine and drives, so that be reduced in the effective voltage value that puts on described motor under some situation of its operational phase.
One of the present invention replenish and more concrete purpose be by stir and at least one of revolving process in some situation under reduction put on the effective voltage value of described motor and by the electric energy supply that is controlled at motor in be used as the triode AC switch of electronic switch trigger angle a kind of method that cuts down the consumption of energy in the operating period of washing machine as mentioned above is provided.
These and other objects of the present invention realize that in the method that the operating period of automatic type washing machine cuts down the consumption of energy this washing machine comprises by a kind of being used for: wash mill, and it is by selectivity and driving rotatably, to wash the load of clothes of placing in the described washing machine; Motor, its selectivity and operatively be bonded to wash mill so that its stir and revolving process during rotate towards a direction at least; And control device, its with electric motor operated be associated, encourage by power supply with instruction motor during described stirring and revolving process.
According to the present invention, the method comprising the steps of: stir and at least one of revolving process in, when starting wash mill each on a direction and rotate, a certain percentage effective voltage of the power supply by being enough to actuating motor reaches excited electric motor; At the fixed time, keep the excitation of motor by at least one effective voltage value, this effective voltage minimum equals a certain percentage of power supply, limits and be enough to make motor and wash mill to be reached for to carry out the rotation mode that the corresponding operating stage established by control device in washing machine; And the corresponding scheduled time in the past after, the effective voltage that puts on motor is adjusted to is enough to keep at least one numerical value that carries out corresponding operating required rotation mode in the stage.
From above-mentioned explanation, can notice, the present invention make stir and revolving process during can reduce the energy consumption of supply washing machine motor, any relevant increase that described solution can be easy to be attached to the design of washing machine and can not bring cost to the end user by a very simple and low-cost solution.
Adopt the method for this paper suggestion, stirring and revolving process operating period has reduced the heat of motor, this makes described motor except reducing as mentioned above the energy consumption of washing machine, can also operate under more favourable temperature conditions, thereby prolong its life-span.
Description of drawings
Describe the present invention below with reference to accompanying drawings, accompanying drawing provides as example, implements a kind of mode of the present invention to illustrate, and wherein:
Fig. 1 is a block diagram, the different operating step that illustrates according to the present invention and finish according to the treatment step of different order; With
Fig. 2 is provided in a side of the simplified block diagram of the necessary control device of enforcement the present invention in the washing machine.
The specific embodiment
As mentioned above, this method is applied to the automatic type washing machine, and this type washing machine comprises bucket 1, in the bucket rotary cylindrical cylinder 2 that is used to adorn load of clothes is housed.Should be understood that rotatingcylindrical drum 2 can be dressed up its axis horizontal or vertically arrange.
This washing machine also comprises motor 3, and it operatively is attached on the rotatingcylindrical drum 2, so that rotatingcylindrical drum 2 is rotated around its axis in bucket 1.
Control device 4 is set to control other parts (not shown) of operation, drive motor 3 and the system of washing machine according to different operating condition (comprising water level and time), such as entering water electromagnetic valve.
Showing as rotatingcylindrical drum 2 (not shown) with horizontal axis and from the washing machine of front openings, described rotatingcylindrical drum 2 defines wash mill L, it is by selectivity and drive rotatably and wash the load of clothes of sending in the washing machine.In these structures, stirring and revolving process are realized under situation about being driven in rotation towards folk prescription at rotatingcylindrical drum 2, and revolving process is finished with higher speed.
On the other hand, showing as rotatingcylindrical drum 2 and from the washing machine of end face opening (referring to accompanying drawing 2) with vertical axis, except rotatingcylindrical drum 2, wash mill L also comprises the impeller 6 that is contained in the rotatingcylindrical drum 2, impeller 6 same selectivity and operatively being attached on the motor 3.
Be provided with vertical axis and be equipped with in the washing machine of impeller 6 at its rotatingcylindrical drum 2, agitation phase is carried out when one and another direction are driven in rotation at impeller 6 usually, and that rotatingcylindrical drum 2 still keeps usually is static.
During stirring and revolving process, motor 3 to begin rotation from halted state, accelerates to the common lasting state of required rotary manipulation by the instruction excitation from control device 4, and at this moment the spin stabilization of motor 3 is at design rating.
Control device 4 operatively is associated with triode AC switch 5, and motor 3 is encouraged by power supply thus.Therefore, control device 4 acts on the triode AC switch 5, changes its trigger angle, the effective voltage value that is applied during with correction excited electric motor 3.Control device 4 expressions have its electronic structure, and this electronic structure is programmed for according to switch mode and handles triode AC switch 5, and being used for provides the effective voltage that is suitable for washing machine corresponding operating condition to motor.
In implementing a mode of the present invention, any revolving process in above-mentioned two kinds of washing machines, the power supply effective voltage that its startup can be defined as with 100% comes full excited electric motor 3, so that rotate actuating motor 3 by increase it from halted state, till obtaining lasting rotating condition, simultaneously rotatingcylindrical drum 2 and final impeller 6 are towards a direction rotation but also be in lasting rotating condition for required design of revolving process and setting.
The full excited electric motor 3 of supply voltage with 100% will continue scheduled time of being limited by control device 4, and this scheduled time is enough to be reached for the lasting rotating condition that revolving process limits for motor and the car washing installation L that combines with it.This scheduled time will determine and limit according to the worst entry condition that motor is subjected to, and can not reduce to its effective voltage that applies when motor 3 quickens under peak load guaranteeing.
Preset time in the past after, control device 4 is carried out the trigger angle that changes triode AC switch 5 gradually, with the effective voltage that will put on motor 3 be reduced to the lasting rotating condition institute that keeps the residue revolving process essential with enough numerical value.
The effective voltage value of the reduction of lasting rotating condition is kept in calculating, puts on motor with the stimulation level of guaranteeing to be enough to keep described lasting rotating condition under peak load.It is also understood that, the effective voltage value that reduces can be constant or can stand regular variation for the residue revolving process, at this moment described numerical value can increase to guarantee to keep the minimum required rotation of wash mill L moment, and described wash mill L can comprise that rotatingcylindrical drum 2 and impeller 6 or pre-installed in this way type washing machine then only comprise the former.
The aforesaid operations stage that is used for revolving process also goes for improving stirs operation, and especially for pre-installed type washing machine, wherein agitation phase is finished to the rotatingcylindrical drum of the horizontal axis of rotation by having towards folk prescription.
It is to be further understood that, motor 3 initial excitation in above-mentioned stirring and revolving process there is no need to carry out with 100% effective voltage of power supply, and start effective voltage and can significantly be lower than the full effective voltage that obtains in the power supply, it is just enough that described voltage fully satisfies the rotary components rotation that makes the washing machine that load of clothes is housed.
Right part at Fig. 2 can be observed, this method can comprise a series of stage, these stages are come excited electric motor 3 beginnings from using the effective voltage value that reduces with respect to the full effective voltage that obtains the power supply, the effective voltage of described reduction then raises, in the given time, keep wash mill L and carrying out required rotation mode of remaining operation stage to obtain at least one enough numerical value, described rotation can be wash mill L stir or rotary manipulation in towards the rotation of a direction.
Be used for actuating motor 3 the rising effective voltage the scheduled time in the past after, the effective voltage that puts on described motor is adjusted to a steady state value, perhaps be adjusted to the lower or high value that can regularly change, this value is enough to keep the ongoing corresponding operating of wash mill L required rotation mode in the stage, and the described operational phase can be to stir or rotary manipulation.
Claims (11)
1. one kind is used for the method that cuts down the consumption of energy at the automatic type washing machine, and this washing machine comprises: wash mill (L), and it is by selectivity and drive rotatably, delivers to the clothing of washing machine with washing; Motor (3), its selectivity and operatively link to wash mill (L) so that the latter stir and revolving process during rotate towards a direction at least; And control device (4), it operatively is associated with motor (3), encourage from power supply with instruction motor (3) during described stirring and revolving process, wherein, said method comprising the steps of: at least one in stirring and revolving process, when starting each rotation of wash mill (L) in a direction, a certain percentage effective voltage of the power supply by being enough to actuating motor (3) comes excited electric motor (3); At the fixed time, keep the excitation of motor (3) by at least one effective voltage value, this effective voltage value minimum equals a certain percentage effective voltage of power supply, and limits and be enough to make motor (3) and wash mill (L) to be reached for to carry out the rotation mode that the corresponding operating stage established by control device (4) in washing machine; And after the corresponding past scheduled time, the effective voltage that will put on motor (3) is adjusted to is enough to keep at least one numerical value that carries out corresponding operating required rotation mode in the stage.
2. method according to claim 1, wherein, the excitation of motor (3) is by realizing that with the triode AC switch (5) that control device (4) operatively is associated the effective voltage value that puts on motor (3) is realized by the trigger angle that is changed triode AC switch (5) by control device (4).
3. method according to claim 2, wherein, when starting each rotation on a direction of wash mill (L), the excitation of motor (3) is undertaken by the effective voltage less than 100% percentage of power supply.
4. method according to claim 2, wherein, when starting each rotation on a direction of wash mill (L), the excitation of motor (3) is undertaken by 100% effective voltage of power supply.
5. according to claim 3 or 4 described methods, wherein, from excitation scheduled time of actuating motor (3) in the past after, the step of regulating the effective voltage that puts on motor (3) comprises: the effective voltage that will put on motor (3) is reduced to gradually to the ongoing remaining operation stage and keeps the necessary and enough numerical value of required rotation mode.
6. method according to claim 5, wherein, after the described past scheduled time, the effective voltage that puts on the reduction of motor (3) is constant.
7. according to claim 3 or 4 described methods, wherein, at the described predetermined time period from motor (3) excitation, the effective voltage that puts on motor (3) keeps constant.
8. method according to claim 3, wherein, at described predetermined time period, the effective voltage that will put on motor (3) raises and reaches at least one numerical value, and this numerical value is enough to keep the numerical value of the required rotation mode of wash mill (L) that is used for the ongoing remaining operation stage.
9. method according to claim 8, wherein, from excitation scheduled time of motor (3) in the past after, the effective voltage value that puts on motor (3) is less than 100% effective voltage of power supply.
10. method according to claim 1, wherein, wash mill (L) comprises the rotatingcylindrical drum (2) with horizontal axis.
11. method according to claim 1, wherein, wash mill (L) comprises the rotatingcylindrical drum (2) with vertical axis and is installed in the interior agitator (6) of rotatingcylindrical drum (2).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BRPI04029372 | 2004-07-08 | ||
| BRPI0402937-2A BRPI0402937A (en) | 2004-07-08 | 2004-07-08 | method to reduce power consumption in a washing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1985043A true CN1985043A (en) | 2007-06-20 |
Family
ID=36046285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2005800230604A Pending CN1985043A (en) | 2004-07-08 | 2005-07-07 | Method for reducing energy consumption in washing machine |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20080053165A1 (en) |
| EP (1) | EP1763604A2 (en) |
| CN (1) | CN1985043A (en) |
| BR (1) | BRPI0402937A (en) |
| MX (1) | MX2007000284A (en) |
| WO (1) | WO2006005146A2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011025101A1 (en) * | 2009-08-28 | 2011-03-03 | (주)엘지전자 | Device for controlling washing machine and control method thereof |
| BR102013003829A2 (en) * | 2013-02-19 | 2014-11-04 | Whirlpool Sa | WASHER ELECTRIC MOTOR DRIVING METHOD |
| AU2019445898A1 (en) * | 2019-05-13 | 2021-11-04 | Electrolux Appliances Aktiebolag | Laundry-treating machine and method for controlling such a laundry-treating machine |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1531336A (en) * | 1976-07-16 | 1978-11-08 | Mullard Ltd | Motor speed control circuits |
| US4823067A (en) * | 1988-02-16 | 1989-04-18 | Weber Harold J | Energy conserving electric induction motor control method and apparatus |
| JPH05103895A (en) * | 1991-10-15 | 1993-04-27 | Toshiba Corp | Abnormal vibration detector for washing machine |
| JP3030228B2 (en) * | 1995-04-14 | 2000-04-10 | 三洋電機株式会社 | Centrifugal dehydrator |
| KR100232265B1 (en) * | 1996-02-27 | 1999-12-01 | Sanyo Electric Co | Centrifugal dehydrator |
| US5893280A (en) * | 1996-12-18 | 1999-04-13 | Sanyo Electric Co., Ltd. | Spin extractor |
| JP3182382B2 (en) * | 1997-09-10 | 2001-07-03 | 三洋電機株式会社 | Centrifugal dehydrator |
| US6418581B1 (en) * | 1999-06-24 | 2002-07-16 | Ipso-Usa, Inc. | Control system for measuring load imbalance and optimizing spin speed in a laundry washing machine |
| KR100786059B1 (en) * | 2000-12-01 | 2007-12-17 | 엘지전자 주식회사 | method for controlling dehydration speed in drum-type washing machine |
| JP3651595B2 (en) * | 2001-12-13 | 2005-05-25 | 株式会社東芝 | Inverter device for washing machine and inverter device for washing dryer |
-
2004
- 2004-07-08 BR BRPI0402937-2A patent/BRPI0402937A/en not_active IP Right Cessation
-
2005
- 2005-07-07 EP EP05759365A patent/EP1763604A2/en not_active Withdrawn
- 2005-07-07 CN CNA2005800230604A patent/CN1985043A/en active Pending
- 2005-07-07 US US11/571,012 patent/US20080053165A1/en not_active Abandoned
- 2005-07-07 WO PCT/BR2005/000124 patent/WO2006005146A2/en active Application Filing
- 2005-07-07 MX MX2007000284A patent/MX2007000284A/en not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| WO2006005146A3 (en) | 2006-07-13 |
| EP1763604A2 (en) | 2007-03-21 |
| US20080053165A1 (en) | 2008-03-06 |
| BRPI0402937A (en) | 2006-02-21 |
| MX2007000284A (en) | 2007-06-15 |
| WO2006005146A2 (en) | 2006-01-19 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20070620 |