CN104728310A - Clutch reliability improving system and using method thereof - Google Patents
Clutch reliability improving system and using method thereof Download PDFInfo
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- CN104728310A CN104728310A CN201310712198.1A CN201310712198A CN104728310A CN 104728310 A CN104728310 A CN 104728310A CN 201310712198 A CN201310712198 A CN 201310712198A CN 104728310 A CN104728310 A CN 104728310A
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- 238000000034 method Methods 0.000 title claims description 32
- 230000001070 adhesive effect Effects 0.000 claims description 68
- 239000000853 adhesive Substances 0.000 claims description 66
- 238000005406 washing Methods 0.000 claims description 40
- 230000009471 action Effects 0.000 claims description 11
- 230000005284 excitation Effects 0.000 claims description 7
- 238000012423 maintenance Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 5
- 238000012360 testing method Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 description 10
- 230000005540 biological transmission Effects 0.000 description 9
- 238000002474 experimental method Methods 0.000 description 8
- 238000005265 energy consumption Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000010862 gear shaping Methods 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Electromagnets (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
Abstract
The invention provides a clutch reliability improving system. The main reason of failure of a clutch includes that the clutch with a clutch ring is used continuously and an electromagnetic coil is over hot. By the clutch reliability improving system, a loaded pull-in voltage can be adjusted, and the pull-in reliability of the clutch is ensured by guaranteeing a redundant value of an electromagnet on the improving ability of the clutch ring.
Description
Technical field
The invention belongs to clutch field, relate to a kind of clutch reliability elevator system of washing machine and the using method of this system specifically.
Background technique
In driven by clutches design, the design of reliability needs the concern of emphasis usually, a kind of clutch of the prior art, this clutch comprises clutch ring, clutch ring has central column body, this body can rotate under the driving of driving arrangement centered by its axis, axially two ends of body have the first engaging piece for being meshed with first transmission module and the second transmission module of load and the second engaging piece respectively, clutch needs one of selection two engaging pieces by the power transmission of driving arrangement to the first transmission module of load or the second transmission module according to operating mode.
The clutch of this band clutch ring has widely with answering, such as utility model patent CN202164461U set forth in detail the application of this clutch on two-power washing machine, but in the use of reality, find that the reliability of this kind of driven by clutches does not reach designing requirement, be embodied in the frequent pull-in failure of electromagnetic coil of clutch, cause washing of drum type washing machine baulk, washing procedure is disorderly, but it is a large amount of owing to relating in washing of drum type washing machine action, complicated parameter, those skilled in the art be difficult to comform most according in isolate useful data thus know the reason that clutch lost efficacy.
Summary of the invention
First, order of the present invention is that the clutch proposing above-mentioned band clutch ring type causes the overheated main cause being clutch and losing efficacy of electromagnetic coil because using continuously.
Another object of the present invention proposes a kind of clutch reliability elevator system, and this system can control the pick-up voltage of clutch magnet coil, thus reach the object promoting reliability.
For this reason, following technological scheme is provided:
A kind of clutch for double-power washing machine reliability elevator system, comprising electromagnet, this electromagnet can the clutch ring of driving clutch upwards promote; Control device, control device controls the pick-up voltage that electromagnet loads; Control device corrective action pick-up voltage on electromagnet coil, in order to make clutch can at high temperature reliable adhesive, control device makes electromagnet coil produce lifting force F
carrymeet following formula:
F
carry=F
inhale-F
face;
And, redundancy value=F
carry/ F
face>126%;
Wherein, F
inhale---the suction-combining force that electromagnet coil produces;
F
face---electromagnet coil is to the critical pickup value of clutch ring.
Be more preferably, be carried in pick-up voltage on described electromagnet coil between 40 ~ 130V, the electromagnetic coil number of turn is 1400 circles, and clutch ring is under lifting force effect, and climb is 0.45 ~ 0.55cm, and electromagnet coil operating temperature range is room temperature to 135 DEG C.
Be more preferably, the voltage be carried on described electromagnet coil divides pick-up voltage and keeps two kinds, piezoelectricity, and pick-up voltage is preferably 80 ~ 125V, keeps voltage to be preferably 40 ~ 60V.
Be more preferably, described redundancy value is in 140% ~ 160% scope.
Be more preferably, described redundancy value is in 146% ~ 149% scope.
Be more preferably, described redundancy value is 147% scope.
Be more preferably, control device is preset with the corresponding data between some groups of electromagnet coil resistance values and pick-up voltage, or the corresponding data in electromagnet coil between current value and pick-up voltage, control device can measure the resistance of electromagnet coil or electric current and obtain resistance value or current value, according to the corresponding data preset, select the pick-up voltage of applying thus ensure reliable adhesive.
A kind of method that clutch for double-power washing machine reliability promotes also is proposed, it uses aforesaid clutch for double-power washing machine reliability elevator system, a high-voltage value is preset during use, clutch reliable adhesive under the highest theoretical temperatures can be guaranteed under this high-voltage value, control device first loads this high-voltage value to electromagnet coil, rear body shake centering.
Be more preferably, if clutch adhesive success, the voltage on electromagnet coil is down to adhesive maintenance level by control device; If clutch adhesive operation failure, repeat adhesive, centering action pre-determined number, if adhesive number of times exceedes pre-determined number, then report to the police or shut down.
A kind of method that clutch for double-power washing machine reliability promotes is proposed, it uses aforesaid clutch for double-power washing machine reliability elevator system, when control device adjustment is carried in the voltage on electromagnet coil, the voltage that at least use two is different successively encourages electromagnet coil, after each excitation, fuselage has a shake centering action.
Be more preferably, control device first gives electromagnet coil at normal temperatures can the first pick-up voltage of reliable adhesive clutch ring, rear body shake centering; Give electromagnet coil can the second pick-up voltage of reliable adhesive clutch ring under the highest temperature theoretical value that may reach again, rear body shake centering.
Be more preferably, between the first pick-up voltage value and the second pick-up voltage value, control device is preset multiple magnitude of voltage and is encouraged electromagnet coil, and after each excitation, all fuselage shakes centering.
Be more preferably, if clutch adhesive success, the voltage on electromagnet coil is down to adhesive maintenance level by control device; If clutch adhesive operation failure, repeat adhesive, centering action pre-determined number, if adhesive number of times exceedes pre-determined number, then report to the police or shut down.
A kind of method that clutch reliability promotes is proposed, it uses aforesaid clutch for double-power washing machine reliability elevator system, before control device adjustment is carried in the voltage on electromagnet coil, the electric current of electromagnet or resistance are detected, according to testing result with preset corresponding data compare and determine pick-up voltage value excitation electric magnet coil, rear body shake centering.
Be more preferably, if clutch adhesive success, the voltage on electromagnet coil is down to adhesive maintenance level by control device; If clutch adhesive operation failure, repeat adhesive, centering action pre-determined number, if adhesive number of times exceedes pre-determined number, then report to the police or shut down.
Beneficial effect of the present invention is as follows:
1. first the present invention has found electromagnet coil in clutch for double-power washing machine because use generation high temperature continuously, electromagnet winding resistance is caused to rise, overall adhesive power drop, causes clutch and lost efficacy, and then adopts voltage Redundancy Design to overcome above-mentioned technical problem.Therefore, the present invention recognizes the technical problem that related domain is not yet recognized, and gives the design of new solution clutch inefficacy.
2. the present invention adopts time variant voltage control design case, in the operating process of clutch for double-power washing machine electromagnetic actuation, while consideration voltage Redundancy Design, consider saving power, and the optimum end points of amount of redundancy is drawn by great many of experiments, reduce user cost.
3. the present invention carrys out to electromagnetic coil to the electric current of electromagnetic coil or the detection of resistance temperature indirectly active detecting, improve the working efficiency of reliability elevator system, make whole clutch attracting process time consumption and energy consumption less, improve Consumer's Experience comfort level further.
Accompanying drawing illustrates:
Fig. 1 is the computation sheet of electromagnet lifting force in clutch.
Fig. 2 is first embodiment's flow chart of clutch reliability method for improving in the present invention.
Fig. 3 is second embodiment's flow chart of clutch reliability method for improving in the present invention.
Fig. 4 is the 3rd embodiment's flow chart of clutch reliability method for improving in the present invention.
embodiment
With reference to accompanying drawing, by the detailed description provided as non-limitative example below reading, other features of the present invention, object and advantage will become obvious.
A kind of clutch of the prior art, this clutch comprises clutch ring, clutch ring has central column body, this body can rotate under the driving of driving arrangement centered by its axis, and axially two ends of body have the first engaging piece for being meshed with first transmission module and the second transmission module of load and the second engaging piece respectively.Cited literature 2 utility model patent CN202164461U discloses a kind of clutch mechanism, therefrom known, composite clutch ring essence disclosed in it is exactly the clutch ring in clutch, first transmission module correspondence washing operating mode, the corresponding dehydration condition of second transmission module, this clutch mechanism is the clutch mechanism of two-power washing machine, and two engaging pieces at clutch body two ends are tooth-shape structure
When washing machine is in washing operating mode, electromagnetic coil is in electriferous state, clutch gear ring is upward sliding under the magnetic attraction effect of electromagnetic coil, clutch gear ring and ring gear are in disengaged position, now direct driving motor drives live axle to rotate, ring gear is driven to rotate while drive shaft impeller rotates, ring gear drives planetary pinion rotation, planetary pinion drives external toothing to rotate again, external toothing drives propeller shaft sleeve to rotate, due to by planetary transition, the direction of rotation of external toothing and ring gear, make that live axle is relative with propeller shaft sleeve to be rotated backward, thus define the impeller of washing machine under a power source and the bidirectional rotation of interior bucket.
When washing machine is in dehydration condition, electromagnetic coil stops charged, clutch gear ring spring with slide downward under the effect of self gravitation, the gear shaping of clutch gear ring lower end inserts in the slot of slot dish, clutch gear ring and slot dish lock, namely lock with live axle, the meshing relation of the meshing relation of clutch gear ring and planet wheel retainer and planetary pinion and ring gear, external toothing, make between ring gear and external toothing locked, live axle and live axle rotating in same direction, thus define the impeller of washing machine under a power source and the rotating Vortex of interior bucket.
And clutch causes single direction rotation due to not adhesive in continuous Whole Process running, or owing to not looking for enter in groove at centering program clutch, and look for the tap-tap produced in groove when washing procedure.The inefficacy that clutch produces in long-time continuous running.By various experiment, find after eliminating a large amount of independent parameter and data, due to washing machine continuous washing, make clutch on-off coil temperature increase, thus cause the resistance of clutch coil to rise, when the pick-up voltage applied is constant, the adhesive power reduction of clutch coil, causing clutch operation irregularity, as the single direction rotation that causes or because not entering accurately in groove at centering program clutch, in washing procedure, entering in groove the sound sending " clatter ", " clatter ".
In general, following empirical correlation is observed between the self-resistance R of clutch coil and temperature:
R
0/ R
1=(T+C
0)/(T+C
1)---formula (1),
Wherein, R
0---initial resistance;
C
0---initial temperature;
R
1---the resistance after intensification;
C
1---the temperature after intensification.
T---resistance temperature constant (copper cash gets 235, and aluminum steel gets 225)
Such as, aluminum steel electricity circle T=225, C0=25 DEG C, R0=181 Ω, when temperature is upgraded to C1=109 DEG C, R1=247.8 Ω.
The formula of electromagnetic force F:
---formula (2).
Known from this formula, the principal element affecting electromagnetic force is electric current and adhesive distance, the beneficial effect of clutch reliability elevator system of the present invention is verified below by experiment, selecting an adhesive transition point to be the clutch of 3.3kgf (is DC93V at pick-up voltage, survey when resistance is 246 Ω), then clutch magnet lifting force is F
carry=F
inhale-3.3kgf.
Fig. 1 is 6 groups of laboratory data forms, wherein,
U---the voltage that clutch magnet coil loads, V;
I---electric current [strength in clutch magnet coil, A;
W---clutch magnet coil turn;
B---clutch on-off circle edge to the distance of yoke outer ring, cm;
R---clutch on-off circle radius, cm;
H----clutch magnet coil height, cm;
δ---working gas gap length, cm;
And, h=
δ+ L.
Find out by experiment 1-2, under 90V voltage, clutch is because of continuous print work, and temperature rises, and causes F
inhalebecome 1.805kgf from 10.562kgf, cause F
carrywretched insufficiency; In experiment 3-4, consider for reduction adhesive impact noise, δ is lengthened further, is adjusted to 0.55cm, This further reduces clutch F at high temperature
carryin order to improve the reliability of clutch entirety, pick-up voltage is improve in experiment 5-6, voltage is upgraded to 125V from 90v, I also changes thereupon, through adjustment, clutch magnet has the design redundancy of 317% and 126% at ambient and elevated temperatures respectively, considerably increases the reliability of clutch system as seen.The clutch reliability elevator system that above-mentioned experiment proof have employed raising pick-up voltage effectively can solve the technical problem that clutch in prior art at high temperature lost efficacy.
Record in an experiment, and in order to take into account reliability and cost of production and user cost, inventor tests a series of pick-up voltage value at ambient and elevated temperatures, proved by a series of Experimental comparison, during clutch designs redundancy value >126%, its reliability is greatly improved, can be up to state standards, but during lower than this value, the reliability of system is difficult to reach designing requirement, it is comparatively reasonable redundancy value to be set in 140% ~ 160% scope, and knot considers, and optimal redundancy value is 147%.Due to F detailed earlier herein
inhalecomputational process, those skilled in the art can obtain the redundant data of expectation by suitable change pick-up voltage value, this is conventionally calculation, repeats no more.
For above-mentioned system, the using method of this system is proposed, as shown in Figure 2, first preset a high-voltage value in systems in which, clutch reliable adhesive under the highest theoretical temperatures can be guaranteed under this high-voltage value, select this high-voltage value to carry out energized solenoids, control device first loads this high-voltage value to electromagnet coil, rear body shake centering.So just can eliminate the harmful effect of high temperature to clutch.Be understandable that, can repeatedly use this high-voltage value to encourage electromagnet coil, shake centering, then carry out clutch adhesive judgement.This embodiment effectively solves the technical problem of clutch adhesive failure, but owing to using high voltage excitation electric magnet always, consume energy higher, for clutch coupling of washing machine, effective pick-up voltage is the successful one side of adhesive action, also needs the reliable adhesive of shake ability coordinating certain number of times, if therefore repeatedly making alive, shake, a large amount of electric energy will inevitably be consumed, therefore, the space that this technological scheme is also improved.
As the further preferred version of technique scheme, the application provides a kind of clutch reliability elevator system of more low energy consumption.The energy consumption standard about household electrical appliances that current national is put into effect is got over strict, while consideration reliability, also will consider the energy consumption problem of system, prevents reliability surplus and waste of energy.So propose the controlling method that following clutch reliability promotes, see Fig. 3, namely do not use higher pick-up voltage, when clutch magnet adhesive operation starts always, first to use under normal temperature can the pick-up voltage (the first pick-up voltage) of reliable adhesive, shake centering afterwards; Give electromagnet coil can the second pick-up voltage of reliable adhesive clutch ring under the highest temperature theoretical value that may reach again, rear body shake centering.The reason of such design is, clutch just can guarantee accurate adhesive after generally needing repeatedly centering, and the washing state of washing machine is unknown, if washing machine is its electromagnetic coil of initial start is normal temperature, successful adhesive is got final product, the 90V in such as Fig. 1 with lower pick-up voltage; Again with using pick-up voltage (the second pick-up voltage) to perform adhesive operation during high temperature, therefore, in the controlling method design that clutch reliability promotes, have employed different pick-up voltage to perform adhesive operation, can reliability be ensured, again can saving power.Further, control device chooses multiple voltage, repeatedly adhesive, shake in the first pick-up voltage and the second pick-up voltage number range, and magnitude of voltage and choosing of number of times are selected by the routine of the situation of reality, such as progressively improve pick-up voltage; Also can adopt pick-up voltage rising repeatedly and the method for reduction, such as the clutch described in cited literature 2, when clutch adhesive program starts, first load the pick-up voltage of 90V, shake centering; Again voltage is raised to 110V, shake centering; Again voltage is raised to 125V, shake centering; Voltage is down to 90V, again centering tooth position, motor starts left and right short time preliminary operation and moves, then brings the voltage up to 130V, and preliminary operation moves, and then motor enters and just enters operation mode.When washing machine enters dewatering state, electromagnet dead electricity, voltage is 0V, and shake centering, motor short time preliminary operation moves, and enter appointment operation mode after centering terminates, voltage is down to maintenance voltage.
See Fig. 4, as the further preferred version of said method, the control device of described clutch reliability elevator system can also detect the electric current in electromagnet coil and resistance, because the temperature of electromagnet is relevant to its electric current or resistance, so in the operation of reality, to derive temperature value frequently by the electric current measured in electromagnet or resistance, therefore, the electric current that presets or the resistance reference value corresponding with pick-up voltage is had in control device, this presets reference value can guarantee that clutch completes adhesive operation with adhesive success rate higher than the standard of certain probability at a certain temperature, control device selects the voltage be carried on electromagnet coil according to reference value.So further improve the success rate of clutch adhesive operation, reduce adhesive number of times, and saving power, operator can enter follow-up operation without the need to the wait of longer time.Be understandable that, can repeatedly use this high-voltage value to encourage electromagnet coil, shake centering, then carry out clutch adhesive judgement.
As aforesaid, clutch just can guarantee accurate adhesive after generally needing repeatedly centering, therefore, those skilled in the art will be understood that, aforesaid several reliability method for improving can repeat adhesive, shake centering after clutch adhesive failure is learnt in judgement, and concrete number of times can be selected according to actual needs.
Preferred embodiment has illustrated and has described.Obviously, other technician will find out various amendment and change after reading and describing in detail above understanding.The present invention should be believed to comprise so amendment and change, if they fall into attached claims and its equivalent scope within.
Claims (15)
1. a clutch for double-power washing machine reliability elevator system, comprising,
Electromagnet, this electromagnet can the clutch ring of driving clutch upwards promote;
Control device, control device controls the pick-up voltage that electromagnet loads;
It is characterized in that, control device corrective action pick-up voltage on electromagnet coil, in order to make clutch can at high temperature reliable adhesive, control device makes electromagnet coil produce lifting force F
carrymeet following formula:
F
carry=F
inhale-F
face;
And, redundancy value=F
carry/ F
face>126%;
Wherein, F
inhale---the suction-combining force that electromagnet coil produces;
F
face---electromagnet coil is to the critical pickup value of clutch ring.
2. the clutch for double-power washing machine reliability elevator system according to aforementioned claim or aforementioned claim any one, be carried in pick-up voltage on described electromagnet coil between 40 ~ 130V, the electromagnetic coil number of turn is 1400 circles, clutch ring is under lifting force effect, climb is 0.45 ~ 0.55cm, and electromagnet coil operating temperature range is room temperature to 135 DEG C.
3. the clutch for double-power washing machine reliability elevator system according to aforementioned claim or aforementioned claim any one, the voltage be carried on described electromagnet coil divides pick-up voltage and keeps two kinds, piezoelectricity, pick-up voltage is preferably 80 ~ 125V, keeps voltage to be preferably 40 ~ 60V.
4. the clutch for double-power washing machine reliability elevator system according to aforementioned claim or aforementioned claim any one, described redundancy value is in 140% ~ 160% scope.
5. the clutch for double-power washing machine reliability elevator system according to aforementioned claim or aforementioned claim any one, described redundancy value is in 146% ~ 149% scope.
6. the clutch for double-power washing machine reliability elevator system according to aforementioned claim or aforementioned claim any one, described redundancy value is 147% scope.
7. the clutch for double-power washing machine reliability elevator system according to aforementioned claim or aforementioned claim any one, control device is preset with the corresponding data between some groups of electromagnet coil resistance values and pick-up voltage, or the corresponding data in electromagnet coil between current value and pick-up voltage, control device can measure the resistance of electromagnet coil or electric current and obtain resistance value or current value, according to the corresponding data preset, select the pick-up voltage of applying thus ensure reliable adhesive.
8. the method for a clutch for double-power washing machine reliability lifting, it uses the clutch reliability elevator system as described in claim 1-7, it is characterized in that, preset a high-voltage value, clutch reliable adhesive under the highest theoretical temperatures can be guaranteed under this high-voltage value, control device first loads this high-voltage value to electromagnet coil, rear body shake centering.
9. the method for clutch reliability lifting according to claim 8, is characterized in that, if clutch adhesive success, the voltage on electromagnet coil is down to adhesive maintenance level by control device; If clutch adhesive operation failure, repeat adhesive, centering action pre-determined number, if adhesive number of times exceedes pre-determined number, then report to the police or shut down.
10. the method for a clutch for double-power washing machine reliability lifting, it uses the clutch reliability elevator system described in claim 1-7, it is characterized in that, when control device adjustment is carried in the voltage on electromagnet coil, the voltage that at least use two is different successively encourages electromagnet coil, after each excitation, fuselage has a shake centering action.
The method that 11. clutch reliabilities according to claim 10 promote, is characterized in that, control device first gives electromagnet coil at normal temperatures can the first pick-up voltage of reliable adhesive clutch ring, rear body shake centering; Give electromagnet coil can the second pick-up voltage of reliable adhesive clutch ring under the highest temperature theoretical value that may reach again, rear body shake centering.
The method that 12. clutch reliabilities according to claim 10-11 promote, it is characterized in that, between first pick-up voltage value and the second pick-up voltage value, control device is preset multiple magnitude of voltage and is encouraged electromagnet coil, and after each excitation, all fuselage shakes centering.
The method that 13. clutch reliabilities according to claim 10-12 promote, is characterized in that, if clutch adhesive success, the voltage on electromagnet coil is down to adhesive maintenance level by control device; If clutch adhesive operation failure, repeat adhesive, centering action pre-determined number, if adhesive number of times exceedes pre-determined number, then report to the police or shut down.
The method that 14. 1 kinds of clutch reliabilities promote, it uses the clutch reliability elevator system as described in claim 1-7, it is characterized in that, before control device adjustment is carried in the voltage on electromagnet coil, the electric current of electromagnet or resistance are detected, according to testing result with preset corresponding data compare and determine pick-up voltage value excitation electric magnet coil, rear body shake centering.
The method that 15. clutch reliabilities according to claim 14 promote, is characterized in that, if clutch adhesive success, the voltage on electromagnet coil is down to adhesive maintenance level by control device; If clutch adhesive operation failure, repeat adhesive, centering action pre-determined number, if adhesive number of times exceedes pre-determined number, then report to the police or shut down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310712198.1A CN104728310B (en) | 2013-12-23 | 2013-12-23 | Clutch reliability lifting system and its application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310712198.1A CN104728310B (en) | 2013-12-23 | 2013-12-23 | Clutch reliability lifting system and its application method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104728310A true CN104728310A (en) | 2015-06-24 |
| CN104728310B CN104728310B (en) | 2018-04-27 |
Family
ID=53452538
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310712198.1A Expired - Fee Related CN104728310B (en) | 2013-12-23 | 2013-12-23 | Clutch reliability lifting system and its application method |
Country Status (1)
| Country | Link |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1269437A (en) * | 1999-03-26 | 2000-10-11 | 东芝株式会社 | Washing machine with dewatering function |
| JP2001017778A (en) * | 1999-07-07 | 2001-01-23 | Hitachi Ltd | Fully automatic washing machine |
| JP2001046784A (en) * | 1999-08-10 | 2001-02-20 | Hitachi Ltd | Fully automatic washing machine and control method of fully automatic washing machine |
| CN1393591A (en) * | 2001-06-27 | 2003-01-29 | Lg电子株式会社 | Clutch device for washing machine |
| CN101865220A (en) * | 2009-12-11 | 2010-10-20 | 扬州市海力精密机械制造有限公司 | Clutch redundancy control device and control method thereof |
-
2013
- 2013-12-23 CN CN201310712198.1A patent/CN104728310B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1269437A (en) * | 1999-03-26 | 2000-10-11 | 东芝株式会社 | Washing machine with dewatering function |
| JP2001017778A (en) * | 1999-07-07 | 2001-01-23 | Hitachi Ltd | Fully automatic washing machine |
| JP2001046784A (en) * | 1999-08-10 | 2001-02-20 | Hitachi Ltd | Fully automatic washing machine and control method of fully automatic washing machine |
| CN1393591A (en) * | 2001-06-27 | 2003-01-29 | Lg电子株式会社 | Clutch device for washing machine |
| CN101865220A (en) * | 2009-12-11 | 2010-10-20 | 扬州市海力精密机械制造有限公司 | Clutch redundancy control device and control method thereof |
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| Publication number | Publication date |
|---|---|
| CN104728310B (en) | 2018-04-27 |
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