CN104727085B - A kind of control flow of washing machine electromagnetic clutch - Google Patents

A kind of control flow of washing machine electromagnetic clutch Download PDF

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Publication number
CN104727085B
CN104727085B CN201310712345.5A CN201310712345A CN104727085B CN 104727085 B CN104727085 B CN 104727085B CN 201310712345 A CN201310712345 A CN 201310712345A CN 104727085 B CN104727085 B CN 104727085B
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Prior art keywords
clutch
tooth
gear
ring
shock absorbing
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CN201310712345.5A
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CN104727085A (en
Inventor
刘军
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Anhui Julong Transmission Technology Co Ltd
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Anhui Julong Transmission Technology Co Ltd
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    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/30Driving arrangements 

Abstract

Washing machine electromagnetic clutch structure provided by the invention, it can solve the clutch in continuous Whole Process operational process and cause single direction rotation due to not being attracted, or due to not looked for into slot in centering program clutch, and the tap-tap generated in being looked for into slot in washing procedure.The failure that clutch generates during long-time continuous operation.Thus, the clutch of the present invention includes clutch pallet, clutch gear ring, planetary gear mechanism and drive shaft, propeller shaft sleeve, wherein sliding part generate this technical problem that fails with enabling it to have well solved clutch during long-time continuous operation.

Description

A kind of control flow of washing machine electromagnetic clutch
Technical field
The invention belongs to clutch fields, relate in particular to a kind of control flow of washing machine electromagnetic clutch.
Background technology
Speed-reducing clutch (abbreviation clutch) is the heart of automatic washing machine, is washing of drum type washing machine and dehydration mutually conversion Critical component, when work can realize two kinds of functions of washing and dehydration.Existing clutch is usually because in structure design not Rationally, it cannot be entered correctly into card slot when causing clutch to combine so that work cannot be normally carried out, and with prolonged After washing process, since the coil temperature of electromagnetic clutch increases, the suction-combining force of electromagnetic clutch is caused to decline, so that from Clutch fails.
Invention content
The impeller of washing machine is connected with drive shaft, and interior bucket is connected with propeller shaft sleeve, and the prevailing operating state of washing machine is divided into Operating mode and dehydration condition are washed, when washing machine is in washing operating mode, electromagnetic coil is in electriferous state, and clutch gear ring is in electromagnetism Spring upward sliding, clutch gear ring is overcome to be in disengaged position with ring gear under the magnetic effect of coil, at this time direct driving motor band Dynamic drive shaft rotation, drive shaft drive ring gear rotation, ring gear to drive planetary gear rotation, row while driving impeller rotation Star gear drives external toothing to rotate again, and external toothing drives propeller shaft sleeve rotation, due to by planetary transition, external toothing with The rotation direction of ring gear is opposite so that drive shaft is opposite with propeller shaft sleeve to be rotated backward, so as to form washing machine at one The bidirectional rotation of impeller and interior bucket under power source.
When washing machine is in dehydration condition, electromagnetic coil stops electrification, and clutch gear ring is spring and its own gravity The lower slide downward of effect, the gear shaping of clutch gear ring lower end are inserted into the slot of slot disk, and clutch gear ring is locked with slot disk, also It is to be locked with drive shaft, the meshing relation and planetary gear of clutch gear ring and planetary gear retainer and ring gear, external toothing Meshing relation so that be locked between ring gear and external toothing, drive shaft rotates in same direction with drive shaft, so as to form washing machine The rotating Vortex of impeller and interior bucket under a power source.
And in continuous Whole Process operational process clutch cause single direction rotation due to not being attracted, or due in centering Program clutch is not looked for into slot, and the tap-tap generated in being looked for into slot in washing procedure.Clutch connects for a long time The failure generated during reforwarding row.
The present invention provides a kind of control method of washing machine electromagnetic clutch as a result, has well solved clutch and has existed This technical problem that fails is generated during long-time continuous operation.
The electromagnetic clutch structure of the present invention has clutch gear ring, center with clutch pallet in clutch pallet With there is tooth form connecting hole, it is circumferentially evenly arranged the trays tooth radially towards center, trays tooth has directed circle There are the contact surface extended vertically upwards in the protrusion that cardiac prominence goes out, protrusion both sides, and both sides contact surface is opposite, is formed between the two recessed Slot;
The clutch configuration further includes clutch shock absorbing ring, clutch gear ring, circumferentially uniform shape on the outside of the shock absorbing ring The matched shock absorbing ring conjunction gear of conjunction gear of Cheng Youyu clutch gear rings, clutch shock absorbing ring and clutch gear ring have the same circle The heart;
The clutch further includes sliding part and the electromagnetic coil outside sliding part, the sliding part and drive shaft The external tooth of set slides up and down engagement;
There is drive shaft in the propeller shaft sleeve, drive axis connection driving motor;
The clutch is provided with planetary wheeling assembly, and planetary wheeling assembly has planetary wheel carrier, planetary gear and external toothing, planet Wheel is meshed with drive shaft, and the gear ring is socketed clutch gear ring.
Preferably, the trays tooth number is 6.
Preferably, in terms of depression angle, the protrusion is square or trapezoidal.
Preferably, the shock absorbing ring conjunction gear has three protrusions directed downwardly, wherein the protrusion of intermediate protrusion and both sides It is formed there are two groove, in " mountain " shape stood upside down, the shock absorbing ring forms tooth form and encases clutch tooth entire shock absorbing ring conjunction gear Enclose tooth form.
Preferably, which has trays tooth, the number of shock absorbing ring conjunction gear and of trays tooth Number is equal.
Preferably, which there is driving fluted disc, sliding tooth disk center to be cased with drive shaft, further include the base for driving fluted disc Face, it is the tooth of concave-convex arrangement on excircle that, which circumferentially there are multiple sliding tooths, sliding tooth in outside, and wherein concave tooth is groove type Formula, the driving fluted disc flank of tooth is in approximately the same plane with basal plane, while tooth socket is deepened so that the field of conjugate action increases.
Preferably, the depth of tooth socket is drive fluted disc flank of tooth thickness 1/2~2/3.
A kind of washing machine, clutch use the clutch configuration of preceding claim.
Description of the drawings
Fig. 1 is the schematic diagram of clutch coupling of washing machine;
Fig. 2 is the clutch integrated pallet of the prior art;
Fig. 3 is the improved clutch integrated pallet of the present invention;
Fig. 4 is the clutch shock absorbing ring of the prior art;
Fig. 5 is the improved clutch shock absorbing ring of the present invention;
Fig. 6 is that the shock absorbing ring of the prior art is packed into the design sketch after clutch gear ring;
Fig. 7 is that the improved shock absorbing ring of the present invention is packed into the design sketch after clutch gear ring;
Fig. 8 is the clutch driving tooth disk of the prior art;
Fig. 9 is the improved clutch driving tooth disk of the present invention;
Figure 10 is electromagnetic clutch magnetic field schematic diagram.
Specific embodiment
With reference to the accompanying drawings, clutch according to the present invention, control device, control method and experiment are said It is bright.
Washing machine according to the present invention, with electromagnetic clutch, referring to attached drawing 1, the wherein impeller of washing machine and drive Moving axis is connected, and interior bucket is connected with propeller shaft sleeve, and the prevailing operating state of washing machine is divided into washing operating mode and dehydration condition, works as laundry When machine is in washing operating mode, electromagnetic coil is in electriferous state, and clutch gear ring overcomes spring under the magnetic effect of electromagnetic coil Upward sliding, clutch gear ring are in disengaged position with ring gear, and direct driving motor drives drive shaft rotation, drive shaft to drive wave at this time Drive ring gear rotation, ring gear that planetary gear rotation, planetary gear is driven to drive external toothing to rotate again while wheel rotation, outside Gear ring drives propeller shaft sleeve rotation, since by planetary transition, external toothing is opposite with the rotation direction of ring gear so that Drive shaft is opposite with propeller shaft sleeve to be rotated backward, so as to form the two-way of impeller of the washing machine under a power source and interior bucket Rotation.
When washing machine is in dehydration condition, electromagnetic coil stops electrification, and clutch gear ring is spring and its own gravity The lower slide downward of effect, the gear shaping of clutch gear ring lower end are inserted into the slot of slot disk, and clutch gear ring is locked with slot disk, also It is to be locked with drive shaft, the meshing relation and planetary gear of clutch gear ring and planetary gear retainer and ring gear, external toothing Meshing relation so that be locked between ring gear and external toothing, drive shaft rotates in same direction with drive shaft, so as to form washing machine The rotating Vortex of impeller and interior bucket under a power source.
In order to overcome noise, the present invention to be improved clutch pallet.Referring to attached drawing 2, attached drawing 2 be the prior art from Clutch pallet, smaller with the tooth form contact area A of clutch gear ring, intensity is smaller.Referring to attached drawing 3, attached drawing 3 is changing for the present invention Into pallet, the clutch gear ring in clutch pallet, there is tooth form connecting hole 1 at center, has circumferentially been evenly arranged radial direction Towards the trays tooth 2 at center, trays tooth 2 has the protrusion protruded to the center of circle, and protrusion both sides have prolongs vertically upward The contact surface stretched, both sides contact surface is opposite, forms groove between the two.This is designed so that the tooth form contact surface of clutch gear ring becomes Bigger, it is more reliable, reduce the abrasion generated because hitting shock absorbing ring.
Referring to attached drawing 4, attached drawing 4 is the shock absorbing ring of the prior art, and phase clutch gear ring tooth form is smaller.Referring to attached drawing 5, attached drawing 5 For the clutch shock absorbing ring of the present invention, outside is circumferentially formed uniformly and the matched shock absorbing ring of the conjunction gear of clutch gear ring Conjunction gear 5.There is the same center of circle, the number of trays tooth 2 to be combined equal to shock absorbing ring for clutch shock absorbing ring and clutch gear ring The number of tooth 5, each shock absorbing ring conjunction gear 5 have three protrusions directed downwardly, wherein intermediate raised and both sides convex to form There are two grooves, and entire second conjunction gear is in " mountain " shape stood upside down.That is improved shock absorbing ring is molded by tooth form and wraps Firmly clutch gear ring tooth form.
The design sketch being packed into referring to attached drawing 6, the shock absorbing ring that 7, Fig. 6 is the prior art after clutch gear ring;Fig. 7 is of the invention Improved shock absorbing ring is packed into the design sketch after clutch gear ring;
Referring to attached drawing 7, in assembly, shock absorbing ring conjunction gear is matched with clutch tooth circle conjunction gear.Shock absorbing ring conjunction gear two A groove is sleeved on two contact surfaces upwardly extended of clutch tooth circle conjunction gear.
Integrated pallet makes the bigger that the tooth form contact area of clutch gear ring becomes after change, reduces because hitting shock absorbing ring (plastics Part) and abrasion is generated, the reliability of clutch is increased, service life is extended.
Further, the present invention is improved drive disk.
Higher referring to the 8 existing sliding tooth flank of tooth of attached drawing, higher than the basal plane of driving fluted disc, tooth socket is shallower.
Referring to attached drawing 9, sliding tooth disk center of the invention is cased with drive shaft 6, has the basal plane 8 of driving fluted disc, outside edge It is the tooth 7 of concave-convex arrangement on excircle that circle distribution, which has multiple sliding tooths, sliding tooth, and wherein concave tooth is form of grooves.The drive The active toothed disk flank of tooth is in approximately the same plane with basal plane, while tooth socket is deepened so that the field of conjugate action increases.The depth of tooth socket is preferably driven The 1/2~2/3 of active toothed disk flank of tooth thickness, it is preferable that the size of reduction is 1mm, while the size deepened also is 1mm.
It is electromagnetic clutch magnetic field schematic diagram that attached drawing, which is 10,;
In addition to being improved in structure, while the method that experiment may be used changes clutch working condition, effectively reduces Clutch fails.Through during production and use it is recognised that wherein when electromagnetic clutch is under long-time wash conditions, due to Electromagnetic coil temperature can constantly rise so that the resistance of electromagnetic coil rises so that clutch the suction-combining force reduces.
The electromagnetic clutch structure of the present invention has clutch gear ring, center with clutch pallet in clutch pallet With there is tooth form connecting hole, it is circumferentially evenly arranged the trays tooth radially towards center, trays tooth has directed circle There are the contact surface extended vertically upwards in the protrusion that cardiac prominence goes out, protrusion both sides, and both sides contact surface is opposite, is formed between the two recessed Slot;
The clutch configuration further includes clutch shock absorbing ring, clutch gear ring, circumferentially uniform shape on the outside of the shock absorbing ring The matched shock absorbing ring conjunction gear of conjunction gear of Cheng Youyu clutch gear rings, clutch shock absorbing ring and clutch gear ring have the same circle The heart;
The clutch further includes sliding part and the electromagnetic coil outside sliding part, the sliding part and drive shaft The external tooth of set slides up and down engagement;
There is drive shaft in the propeller shaft sleeve, drive axis connection driving motor;
The clutch is provided with planetary wheeling assembly, and planetary wheeling assembly has planetary wheel carrier, planetary gear and external toothing, planet Wheel is meshed with drive shaft, and the gear ring is socketed clutch gear ring.
Preferably, the trays tooth number is 6.
Preferably, in terms of depression angle, the protrusion is square or trapezoidal.
Preferably, the shock absorbing ring conjunction gear has three protrusions directed downwardly, wherein the protrusion of intermediate protrusion and both sides It is formed there are two groove, in " mountain " shape stood upside down, the shock absorbing ring forms tooth form and encases clutch tooth entire shock absorbing ring conjunction gear Enclose tooth form.
Preferably, which has trays tooth, the number of shock absorbing ring conjunction gear and of trays tooth Number is equal.
Preferably, which there is driving fluted disc, sliding tooth disk center to be cased with drive shaft, further include the base for driving fluted disc Face, it is the tooth of concave-convex arrangement on excircle that, which circumferentially there are multiple sliding tooths, sliding tooth in outside, and wherein concave tooth is groove type Formula, the driving fluted disc flank of tooth is in approximately the same plane with basal plane, while tooth socket is deepened so that the field of conjugate action increases.
Preferably, the depth of tooth socket is drive fluted disc flank of tooth thickness 1/2~2/3.
A kind of washing machine, clutch use the clutch configuration of preceding claim.
Specifically, the present invention can further use flow control as follows
1. being attracted program
A points:DC90V voltages are first given, 3S is shaken
B points:Voltage rises to DC110V, shakes 3S
C points:Voltage rises to DC125, keeps 3S
D points:Voltage is down to 90V, and centering engages tooth position.Motor rotates 15RPM, each 5S of left/right rotation
E points:Voltage is pulled up to DC130V, and motor one-directionally rotates 5S with 15RPM, starts Normal Wash program
F points:It is down to 50V after keeping 15S, and keeps to washing procedure terminating
ABCDEF is time point.
2. dehydration procedure
After being connected to host computer dehydration signal, voltage is down to 0V, and shakes 2S
Motor rotates 15RPM, each 3S of positive and negative rotation
Terminate to stop after centering, waits for host computer hair dehydration rotation instruction.
3. shaking program
Motor positive and inverse moves 10RPM, positive and negative rotation time each 40ms.
Based on the washing machine of clutch of the present invention, in order to preferably control clutch mechanism, the present invention also provides wash Clothing machine clutch is attracted control device.
Clutch is not attracted, only meeting short time single direction rotation, is unlikely to water and throws away outside bucket, and clutch of the invention is inhaled Close control device, it can be ensured that washing machine normal use.
There is washing machine clutch to be attracted control device, include:
Controller controls the entire actuation of clutch;
Wherein controller includes with lower unit:
Detection unit is detected clutch attracting state after the completion of clutch adhesive action, detection unit detection Dwell time or commutating period;
Judging unit meets in detection when dwell time is more than 1s or commutating period and is more than the condition of 500ms, judge from Clutch is not attracted;
Execution unit, the action command sent out for executing controller so that supply different voltage to electromagnetic clutch, To generate electromagnetic force.
And use the control method of the control device for:
This method includes:
Detecting step is detected clutch attracting state after the completion of clutch adhesive action, detection unit detection Dwell time or commutating period;
Determination step meets in detection when dwell time is more than 1s or commutating period and is more than the condition of 500ms, judge from Clutch is not attracted;
Execute step, the action command sent out for executing controller so that supply different voltage to electromagnetic clutch, To generate electromagnetic force.
And judging unit will judge that result is transferred to controller,
If it is determined that clutch is not attracted, controller sends action command again, is protected and is acted again;
If four judgements are not attracted, controller, which is sent, increases voltage instruction;
After increasing voltage, controller sends out the instruction of clutch adhesive action;
Detection unit, judging unit continue to detect determination step;If cannot still complete actuation effect, continue to increase Big voltage, until clutch control is attracted.
Preferably, the amplitude for increasing voltage every time is 20V.
The foregoing is merely presently preferred embodiments of the present invention, is not used for limiting the scope of implementation of the present invention, Fan Yibenfa The same variation and modification that bright the scope of the claims is done, fall within the range that patent of the present invention covers.

Claims (8)

1. a kind of control flow of electromagnetic clutch, the electromagnetic clutch has clutch pallet, has in clutch pallet Clutch gear ring, center have tooth form connecting hole, are circumferentially evenly arranged the trays tooth radially towards center, trays There is tooth the protrusion protruded to the center of circle, protrusion both sides to have the contact surface extended vertically upwards, and both sides contact surface is opposite, the two Between form groove;
The clutch further includes clutch shock absorbing ring, clutch gear ring, be circumferentially formed uniformly on the outside of the shock absorbing ring with from The matched shock absorbing ring conjunction gear of conjunction gear of gear ring is closed, clutch shock absorbing ring and clutch gear ring have the same center of circle;
The clutch further includes sliding part and the electromagnetic coil outside sliding part, the sliding part and propeller shaft sleeve External tooth slides up and down engagement;
There is drive shaft in the propeller shaft sleeve, drive axis connection driving motor;
The clutch is provided with planetary wheeling assembly, and planetary wheeling assembly has planetary wheel carrier, planetary gear and an external toothing, planetary gear with Drive shaft is meshed, and the external toothing is socketed clutch gear ring;
When the clutch is applied to washing machine, the control flow of the clutch includes:
(1) is attracted program:
A:DC90V voltages are first given, 3S is shaken;
B:Voltage rises to DC110V, shakes 3S;
C:Voltage rises to DC125V, keeps 3S;
D:Voltage is down to 90V, and centering engages tooth position;Motor rotates 15RPM, each 5S of left/right rotation;
E:Voltage is pulled up to DC130V, and motor one-directionally rotates 5S with 15RPM, starts Normal Wash program;
F:It is down to 50V after keeping 15S, and keeps to washing procedure terminating;
ABCDEF is sequential time point;
(2) dehydration procedures:
After being connected to host computer dehydration signal, voltage is down to 0V, and shakes 2S;
Then motor rotates 15RPM, each 3S of positive and negative rotation;
Terminate to stop after clutch centering, waits for host computer hair dehydration rotation instruction;
(3) shakes program:
Motor positive and inverse moves 10RPM, positive and negative rotation time each 40ms.
2. the control flow of clutch according to claim 1, which is characterized in that the trays tooth number is 6.
3. the control flow of clutch according to claim 1, which is characterized in that in terms of depression angle, the protrusion It is square or trapezoidal.
4. the control flow of clutch according to claim 1, which is characterized in that the shock absorbing ring conjunction gear has downward Three protrusions, wherein intermediate protrusion and both sides are convexed to form there are two groove, entire shock absorbing ring conjunction gear is in standing upside down " mountain " shape, the shock absorbing ring form tooth form and encase clutch gear ring tooth form.
5. according to the control flow of claim 1-4 any one of them clutches, which is characterized in that the clutch has pallet The number of conjunction gear, shock absorbing ring conjunction gear is equal with the number of trays tooth.
6. the control flow of clutch according to claim 5, which is characterized in that the clutch has sliding tooth disk, Sliding tooth disk center is cased with drive shaft, further includes the basal plane for driving fluted disc, circumferentially there are multiple sliding tooths, sliding tooth in outside For the tooth of concave-convex arrangement on excircle, wherein concave tooth is form of grooves, and the driving fluted disc flank of tooth is in same flat with basal plane Face, while tooth socket is deepened so that the field of conjugate action increases.
7. the control flow of clutch according to claim 6, which is characterized in that the depth of tooth socket is driving fluted disc flank of tooth thickness 1/2~2/3.
8. a kind of washing machine, clutch uses the control flow of claim 1-7 any one of them clutches.
CN201310712345.5A 2013-12-23 2013-12-23 A kind of control flow of washing machine electromagnetic clutch Active CN104727085B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310712345.5A CN104727085B (en) 2013-12-23 2013-12-23 A kind of control flow of washing machine electromagnetic clutch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310712345.5A CN104727085B (en) 2013-12-23 2013-12-23 A kind of control flow of washing machine electromagnetic clutch

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CN104727085A CN104727085A (en) 2015-06-24
CN104727085B true CN104727085B (en) 2018-08-14

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102206914A (en) * 2011-05-18 2011-10-05 常州至精精机有限公司 Transmission device of washing machine
CN102206913A (en) * 2011-05-18 2011-10-05 常州至精精机有限公司 Transmission device of washing machine
CN102628208A (en) * 2012-03-27 2012-08-08 常州至精精机有限公司 Clutch mechanism for single drive system of washing machine
CN103422323A (en) * 2012-05-23 2013-12-04 常州至精精机有限公司 Drive assembly of pulsator washing machine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102206914A (en) * 2011-05-18 2011-10-05 常州至精精机有限公司 Transmission device of washing machine
CN102206913A (en) * 2011-05-18 2011-10-05 常州至精精机有限公司 Transmission device of washing machine
CN102628208A (en) * 2012-03-27 2012-08-08 常州至精精机有限公司 Clutch mechanism for single drive system of washing machine
CN103422323A (en) * 2012-05-23 2013-12-04 常州至精精机有限公司 Drive assembly of pulsator washing machine

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