CN108505288A - A kind of door closure opening and closing detector and method - Google Patents
A kind of door closure opening and closing detector and method Download PDFInfo
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- CN108505288A CN108505288A CN201710113332.4A CN201710113332A CN108505288A CN 108505288 A CN108505288 A CN 108505288A CN 201710113332 A CN201710113332 A CN 201710113332A CN 108505288 A CN108505288 A CN 108505288A
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- 238000000034 method Methods 0.000 title claims description 14
- 238000005406 washing Methods 0.000 claims abstract description 102
- 238000001514 detection method Methods 0.000 claims abstract description 75
- 238000012360 testing method Methods 0.000 claims abstract description 60
- 230000007246 mechanism Effects 0.000 claims description 11
- 235000014676 Phragmites communis Nutrition 0.000 claims description 7
- 230000033001 locomotion Effects 0.000 claims description 6
- 230000001939 inductive effect Effects 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 2
- 235000013399 edible fruits Nutrition 0.000 claims 1
- 238000004590 computer program Methods 0.000 description 10
- 230000009977 dual effect Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 230000008859 change Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000001755 vocal effect Effects 0.000 description 1
Classifications
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- 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
- D06F34/14—Arrangements for detecting or measuring specific parameters
- D06F34/20—Parameters relating to constructional components, e.g. door sensors
-
- 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
- D06F33/00—Control of operations performed in washing machines or washer-dryers
- D06F33/30—Control of washing machines characterised by the purpose or target of the control
- D06F33/47—Responding to irregular working conditions, e.g. malfunctioning of pumps
-
- 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
- D06F37/42—Safety arrangements, e.g. for stopping rotation of the receptacle upon opening of the casing door
-
- 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
- D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
- D06F2103/40—Opening or locking status of doors
-
- 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
- D06F2105/58—Indications or alarms to the control system or to the user
- D06F2105/60—Audible signals
-
- 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
- D06F2105/62—Stopping or disabling machine operation
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
- Control Of Washing Machine And Dryer (AREA)
Abstract
The invention discloses a kind of door closure opening and closing detector, it to be used for washing machine, washing machine includes door closure and control panel seat, including：At least two testing agencies are respectively detected the folding of door closure, and export testing result signal；Program controller is connect with the signal output end of testing agency, and the door closure of at least two testing agencies is combined to open and close testing result, obtains door closure folding condition.The present invention is detected the folding of door for washing machine using at least two door closures folding testing agency, door closure folding detection disabled status caused by avoiding any testing agency's failure, on the one hand the service efficiency for improving washing machine, has on the other hand ensured that user is safe to use.
Description
Technical field
The invention belongs to washing machine field, it is related to the door closure folding detection of washing machine, is opened specifically, being related to a kind of door closure
Close detection device and method.
Background technology
During the use of washing machine, door closure need to carry out multiple folding activity, to avoid washing machine top case not closed
When washing machine operating bring security risk, need to be measured in real time to whether washing machine top case is closed.Impeller currently on the market
Washing machine is only with microswitch or only with dry reed tube testing device, to detect the folding condition of washing machine top case.Only with
Single upper cover opens and closes testing agency, and in the case of leading to the failure of upper cover folding testing agency, washing machine is in high-speed cruising
When, after upper cover is opened, washing machine cannot be braked in time, be easy to cause serious accident.
In view of this special to propose the present invention.
Invention content
The technical problem to be solved in the present invention is to overcome the deficiencies of the prior art and provide a kind of using at least two detections
Mechanism opens and closes door closure and carries out comprehensive detection, ensures door closure testing result precisely effective door closure opening and closing detector and method.
In order to solve the above technical problems, the present invention is using the basic conception of technical solution：
One aspect of the present invention discloses a kind of door closure opening and closing detector, is used for washing machine, washing machine includes door closure and control
Disk seat processed, including：
At least two testing agencies are respectively detected the folding of door closure, and export testing result signal；
Program controller is connect with the signal output end of testing agency, and combines the door closure folding inspection of at least two testing agencies
It surveys as a result, obtaining door closure folding condition.
Further, testing agency includes mechanical detection mechanism and inductive detection mechanism, the mechanical detection machine
Structure is microswitch, and the inductive detection mechanism is tongue tube；
When microswitch and tongue tube detect that door closure is closed, program controller judges that door for washing machine is closed.
Further, washing machine is equipped with the door closure being rotatedly connected through shaft and control panel seat, has been wholely set on door closure
Control arm, microswitch are set to close to control arm on control panel seat；
Tongue tube and microswitch cover face tongue tube in door of washing machine and are equipped with and do in being diagonally set on control panel seat
The magnet that reed pipe matches.
Further, when microswitch and tongue tube work normally, and door closure is closed, control arm controls microswitch
Contact closure forms access, and tongue tube magnetizes to form access by near magnet reed；When door closure is opened, control arm controls microswitch
Contact be unfolded into open circuit, tongue tube flicks to form open circuit far from magnet reed.
Further, at least two testing agencies connect to be formed door closure folding detection circuit, door closure open and close detection circuit with
Program controller is connected, and access/open-circuit condition that program controller opens and closes detection circuit according to door closure judges door closure close/open；
And/or at least two testing agency's composition and door digital circuit, with the output end of door digital circuit and program controller phase
Even, program controller is that high level/low level judges door closure close/open according to the output signal of door digital circuit.
Further, when microswitch and any failure of tongue tube, and when failure state is channel status：Door closure is closed
When, it is access that door closure, which opens and closes detection circuit, and program controller judges that door closure is closed；When door closure is opened, door closure folding detection circuit is to open
Road, program controller judge that door closure is opened；
When microswitch and any failure of tongue tube, and when failure state is open-circuit condition：When door closure is closed, door closure folding
Detection circuit is open circuit, and program controller judges that door closure is opened；When door closure is opened, it is open circuit, program controller that door closure, which opens and closes detection circuit,
Judge that door closure is opened；
And/or
When microswitch and any failure of tongue tube, and when failure state is channel status：When door closure is closed, with door number
Circuit output high level, program controller judge that door closure is closed；When door closure is opened, low level is exported with door digital circuit, program controller is sentenced
Disconnected door closure is opened；
When microswitch and any failure of tongue tube, and when failure state is open-circuit condition：When door closure is closed, with door number
Circuit output low level, program controller judge that door closure is opened；When door closure is opened, low level is exported with door digital circuit, program controller is sentenced
Disconnected door closure is opened.
Further, washing machine further includes cover lock, is set near tongue tube, and the cover lock is executed according to the folding condition of door closure
Lock/unlock；And/or the cover lock is through manually controlling execution lock/unlock.
Another aspect of the present invention discloses a kind of door closure folding detection method, is applied to door closure as described above folding inspection
Device is surveyed, in the washing machine course of work, program controller at any time or periodically judges the folding condition of door closure, if laundry
Gate lid closure then controls washing machine and continues to execute present procedure, and alarm is sent out if door for washing machine is opened and is suspended and is worked as
Preceding program.
Further, the door closure folding detection method further includes：In the washing machine course of work, it is closed in door for washing machine
When, control cover lock locking, and after preset time period, cover lock is unlocked.
Further, include the following steps：
S1, washing machine booting work, at least two testing agencies are respectively detected door closure folding condition, execute S2；
S2, program controller at any time or periodically judge the folding condition of door closure, and execute S3；
If S3, judging that door closure is in an open state, sending out alarm and suspending present procedure；Otherwise it locks to cover lock, and
Continue to execute present procedure.
After adopting the above technical scheme, the present invention has the advantages that compared with prior art：
The door closure opening and closing detector of the present invention is equipped with dual door closure and opens and closes testing agency, including contact and induction type
The testing agency of two kinds of principles, the testing agency that a variety of testing principles are arranged are detected door closure folding, avoid because washing
Clothing machine faults itself or environment influence caused detection failure phenomenon；Microswitch and tongue tube are set in diagonal maximum distance
In on control panel seat and/or door closure, the folding of the door closure of washing machine can be detected in all directions, avoid because of washing machine or
The not accurate effective situation of door closure testing result caused by the devices such as door closure tilt ensures that the door closure of washing machine is being closed completely
It just works under state, it is safe to use to improve user；Microswitch and tongue tube are in series relationship or "AND" in circuit
Relationship is arranged, and is only illustrated as access in the two and just judges that washing machine top case is in off state, and is on the one hand avoided
Disabled status is detected caused by any testing agency's failure, the folding of the door closure of washing machine is detected immediately, improves laundry
On the other hand the service efficiency of machine ensure that the safe to use of washing machine, as long as there is any testing agency to judge washing machine top case
It opens, that is, carries out warning reminding, user can carry out door closure closing motion or maintenance, ensure the safe to use of washing machine, carry
User experience is risen.
The door cover detection method of the present invention at any time or periodically opens and closes door closure during washing machine is switched on work
State is detected judgement, and executes following step according to the folding situation of door closure, whenever door closure is opened and is alarmed
And stopping present procedure operation, guarantee is safe to use, even more further improves the safe to use of washing machine equipped with cover lock, avoids
When washing machine executes fiercer program, user accidentally opens the safety coefficient that washing machine causes damage to improve washing machine.
The specific implementation mode of the present invention is described in further detail below in conjunction with the accompanying drawings.
Description of the drawings
A part of the attached drawing as the present invention, for providing further understanding of the invention, of the invention is schematic
Embodiment and its explanation do not constitute inappropriate limitation of the present invention for explaining the present invention.Obviously, the accompanying drawings in the following description
Only some embodiments to those skilled in the art without creative efforts, can be with
Other accompanying drawings can also be obtained according to these attached drawings.In the accompanying drawings：
Fig. 1 be in the embodiment of the present invention it is a kind of with dual door closure folding testing agency control panel rest for washing machine structure show
It is intended to；
Fig. 2 be in the embodiment of the present invention it is a kind of with dual door closure folding testing agency washing machine top case Unclosing structure show
It is intended to；
Fig. 3 be in the embodiment of the present invention it is a kind of with dual door closure folding testing agency washing machine top case closing structure show
It is intended to；
Fig. 4 is a kind of microswitch structure front view in the embodiment of the present invention；
Fig. 5 is a kind of microswitch structure vertical view in the embodiment of the present invention；
Fig. 6 is a kind of flow diagram of door closure folding detection method in the embodiment of the present invention；
Fig. 7 is the logic control schematic diagram of a kind of microswitch and tongue tube in the embodiment of the present invention.
In figure：1, microswitch；11, contact one；12, contact two；2, upper cover control arm；3, control panel seat；4, cover lock；5、
Tongue tube；6, shaft；7, upper cover；8, magnet.
It should be noted that these attached drawings and verbal description are not intended to the design model limiting the invention in any way
It encloses, but is that those skilled in the art illustrate idea of the invention by referring to specific embodiments.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical solution in embodiment is clearly and completely described, following embodiment for illustrating the present invention, but
It is not limited to the scope of the present invention.
In the description of the present invention, it should be noted that term "upper", "front", "rear", "left", "right", " is erected at "lower"
Directly ", the orientation or positional relationship of the instructions such as "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, merely to just
In the description present invention and simplify description, do not indicate or imply the indicated device or element must have a particular orientation, with
Specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be electrical connection to be mechanical connection；It can be directly connected, it can also be indirectly connected through an intermediary.For this
For the those of ordinary skill in field, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Embodiment one
As shown in Figure 1, for a kind of console panels of washing machines opening and closing testing agency with dual door closure described in the present embodiment
Holder structure schematic diagram.As shown in Fig. 2, on a kind of washing machine opening and closing testing agency with dual door closure described in the present embodiment
Lid Unclosing structure schematic diagram.Control panel seat 3 is rotatedly connected with washing machine top case 7 through shaft 6, when upper cover 7 carries out opening and closing movement,
On the one hand power can be acted in the part transferred with control panel seat 3, on the other hand can changes the phase of upper cover 7 and control panel seat 3
It adjusts the distance.Therefore it is based on principles above, detecting upper cover 7 in the junction setting touch switch of washing machine top case 7 and control panel seat 3 is
No closure, or setting detects the mechanism of the two relative distance at the folding cooperation of washing machine top case 7 and control panel seat 3,
Effectively realize the detection opened and closed to door closure.
Specifically, upper cover 7 is rotatedly connected by upper cover control arm 2 and control panel seat 3, and 2 side of upper cover control arm is equipped with fine motion
Switch 1, when upper cover 7 carries out opening and closing movement, upper cover control arm 2, which controls the contact of microswitch 1 or is detached from, realizes folding,
Microswitch 1 is opened and closed and then is acted in door closure folding detection circuit, realizes the judgement whether opened to washing machine top case 7.
On control panel seat 3, it is in diagonal direction with 1 installation site of microswitch, tongue tube 5 is installed, tongue tube 5 passes through induced field
Variation judge the relative distance between control panel seat 3 and upper cover 7.The tongue tube 5 being correspondingly arranged on control panel seat 3, upper
Magnet 8 is provided on lid 7, when upper cover 7 carries out opening and closing movement, tongue tube 5 and the relative position of magnet 8 also change correspondingly, and do
The variation of 5 induced fields of reed pipe acts in door closure folding detection circuit, and realization is sentenced to what whether washing machine top case 7 was opened
It is disconnected.
Herein, microswitch 1 is that the door closure with different testing principles opens and closes testing agency, different inspections from tongue tube 5
It surveys principle and ensure that the two does not have to be in the presence of detection failure simultaneously due to the same failure of washing machine.Such as：If on washing machine
Lid 7 loosens in the long-term use, can cause to fail using the testing agency of mechanical type contact principle, and induction type is used to examine
The testing agency of survey principle then can also continue to use and be judged.Such as：Magnet 8 in upper cover 7 loses magnetic because of environmental disturbances
Property when, can cause using induction type contact principle testing agency failure, and use contact measurement principle testing agency then
Use is can also continue to be judged.
And microswitch 1 is diagonally arranged with tongue tube 5, distance between the two maximizes, and is advantageous in that：It may be implemented
Comprehensive detection to 7 folding condition of upper cover so that the testing result opened and closed to upper cover 7 is more precisely effective.
Further, in use, contact will carry out multiple-contact and separation, usage time mistake to microswitch 1
Long afterwards it is possible that the phenomenon that poor contact, to can not effectively realize the detection opened and closed to upper cover 7.And tongue tube 5 is main
It is the folding detection that the variation based on induced field carries out upper cover 7, also will appear the insensitive situation of detection too long using, if
It sets dual testing agency to be detected the folding of the upper cover 7 of washing machine, can be effectively ensured and fail in any testing agency
In the case of testing result accuracy.
As shown in figure 3, being closed for a kind of washing machine top case opening and closing testing agency with dual door closure in the embodiment of the present invention
Close structural schematic diagram.After upper cover 7 is closed, microswitch 1 and tongue tube 5 are in inside, and position is specially：Microswitch
1 is set to 7 upper left corner area of upper cover as shown in the figure, and tongue tube 5 is set to 7 lower right field of upper cover as shown in the figure, and two testing agencies are in
Diagonal design.
Further, cover lock 4 is additionally provided on control panel seat 3, cover lock 4 is set near tongue tube 5, for washing machine
Upper cover 7 is locked, when upper cover 7 is closed and when need to carry out the work of a duration, cover lock 4 to upper cover 7 locked with
Ensure safety.Preferably, cover lock 4 receives the signal that detection circuit is opened and closed from door closure, when door closure folding detection circuit detects
When washing machine top case 7 is closed state, cover lock 4 receives signal and is locked to upper cover 7.Herein, cover lock 4 can lock automatically,
Manually controllable to be locked and unlocked, user can control cover lock 4 according to self-demand.
It is illustrated in figure 4 a kind of microswitch structure front view in the embodiment of the present invention, is illustrated in figure 5 implementation of the present invention
A kind of microswitch structure vertical view in example.Whether microswitch 1 is mainly contacted by contact 2 12 with contact 1, to upper cover
2 folding is judged.Wherein, contact 2 12 is motionless is fixed on washing machine, and contact 1 is connected with upper cover control arm 2, when
Upper cover control arm 2 controls microswitch 1, namely when control contact 1 and contact 2 12 contact, and upper cover 7 is not switched on, washing machine
Computer program controller detection identification upper cover 7 be in off state；It is not contacted with contact 2 12 when upper cover control arm 2 controls contact 1
When, upper cover 7 is opened, and the computer program controller detection identification upper cover 7 of washing machine is in an open state.
For tongue tube 5, when the magnet 8 in upper cover 7 is nearest apart from tongue tube 5, magnetic field that tongue tube 5 is experienced
Intensity is most strong, and the computer program controller of washing machine detection identification upper cover 7 is in off state, when the magnet 8 in upper cover 7 is apart from becoming
Change, when the magnetic field intensity that tongue tube 5 is experienced tapers into, the computer program controller detection identification upper cover 7 of washing machine is open shape
State.
Therefore microswitch 1 realizes the double check opened and closed to door for washing machine with tongue tube 5, is lost when any of which detects
When clever, still there is another detection in action, can effectively avoid the generation of safety accident.Microswitch 1 and tongue tube 5 herein
Setting is preference, and microswitch 1 is set to tongue tube 5 on control panel seat 3 and/or upper cover 7, specific regarding the specific of washing machine
Depending on structure, based on the folding detection of most effective realization upper cover 7.
Embodiment two
It is not shown in figure, the present embodiment is further limiting for above-described embodiment one, is opened equipped with door closure in the washing machine
Close detection circuit or with door digital circuit and computer program controller.Specifically, testing agency's microswitch 1 and tongue tube 5 are to door closure
After folding is detected, testing result signal can be exported.Testing result signal is finally transmitted in computer program controller, for its point
Analysis judges the folding situation of door closure.Herein, microswitch 1 is connected to tongue tube 5 in door closure folding detection circuit, and and computer
Program controller is connected；Or microswitch 1 is formed with tongue tube 5 and door digital circuit, and be finally connected with computer program controller.
Further, the door closure of microswitch 1 and tongue tube 5 folding testing result acts on door closure folding detection electricity
Road, and the two is series relationship.Door closure folding detection circuit is finally connected with computer program controller, and computer program controller is opened according to door closure
The logical open circuit conditions for closing detection circuit obtain the folding judging result of door closure.
Further, herein microswitch 1 and tongue tube 5 is series relationship in circuit, as " and " relationship,
I.e.：It is under channel status to need the two, and it is access which, which opens and closes detection circuit just, and upper cover 7 can be judged for closed state.
When any of which testing agency judges current laundry machine upper cover 7 to open, all need to alarm.Decision circuitry of connecting designs good
Be in：The safe to use of user is improved, avoids, because of testing agency's error in judgement, user being caused to open in upper cover 7
Washing machine operation operation is carried out, double insurance has been equivalent to.
Embodiment three
It being not shown in figure, the present embodiment is further limiting for above-described embodiment one, and the program controller is a control mechanism,
It is set in door closure folding detection circuit, receives the on-off signal of door closure folding detection circuit, obtains the folding condition of upper cover 7,
And relevant operation is carried out according to different conditions, access/open-circuit condition that program controller opens and closes detection circuit according to door closure judges that upper cover 7 is closed
It closes/opens, when door closure folding detection circuit is channel status, program controller judges that washing machine top case 7 is closed, transmission path signal
To the controller of washing machine, control washing machine continues the operations such as related washing, and/or control cover lock 4 is automatic locking；Work as door
When lid folding detection circuit is open-circuit condition, program controller judges that upper cover 7 is opened, and sends out alarm signal and user is reminded to close upper cover 7
Or it is overhauled；
Alternatively, program controller is connected to and the folding condition that in door digital circuit, reads level value that it is exported to upper cover 7
Judged, program controller works as door according to being that high level/low level judges door closure close/open with the output signal of door digital circuit
When lid folding detection output is high level, program controller judges that washing machine top case 7 is closed, the control of transmission path signal to washing machine
Device, control washing machine continue the operations such as related washing, and/or control cover lock 4 is automatic locking；When output is low level,
Program controller judges that upper cover 7 is opened, and sends out alarm signal and user is reminded to close upper cover 7 or overhaul.
The target of maintenance includes：The washing machine top case 7 being likely to occur loosens at shaft, or the use field of washing machine before this
Occurred magnetic interference phenomenon.
Example IV
As shown in fig. 6, opening and closing the flow diagram of detection method for a kind of door closure described in the present embodiment.
Specifically, the door closure described in the present embodiment opens and closes detection method, includes the following steps：
S1, washing machine booting work, at least two testing agencies are respectively detected door closure folding condition, execute S2；
S2, program controller at any time or periodically judge the folding condition of door closure, and execute S3；
If S3, judging that door closure is in an open state, sending out alarm and suspending present procedure；Otherwise it locks to cover lock, and
Continue to execute present procedure.
In the washing machine course of work, program controller at any time or periodically judges door for washing machine folding condition.
Further, set cover lock is used cooperatively on washing machine, executes locking after detecting that door for washing machine is closed, and in washing machine
Cover lock is unlocked just now after having executed preset time period.Preset time period herein is holding for user preset time or present procedure
The row time.Certainly, user can also artificially control cover lock according to self-demand, in order to ensure safety, cover lock herein
It is locked for child, or cooperation is equipped with virgin latch mechanism, avoids the harm of children's maloperation washing machine.
The periodically specific time and preset time period herein is all contained in the setting of washing machine common programs, Main Basiss
Currently performed washing machine action and/or washing machine undergarment attribute etc. are adjusted.
Testing agency be microswitch and tongue tube, the present embodiment door closure folding detection method have prevent door of washing machine
The advantageous effect of lid detection failure, namely：When microswitch and the failure of tongue tube any of which are broken down, can also realize pair
The judgement of door for washing machine folding, and carry out fault alarm.
Specifically, it is illustrated in figure 7 the logic control schematic diagram of a kind of microswitch and tongue tube in the embodiment of the present invention.
Door closure opens and closes in detection circuit：
When microswitch and any failure of tongue tube, and when failure state is channel status：When door closure is closed, door closure folding
Detection circuit is access, and program controller judges that door closure is closed；When door closure is opened, it is open circuit that door closure, which opens and closes detection circuit, and program controller is sentenced
Disconnected door closure is opened；
When microswitch and any failure of tongue tube, and when failure state is open-circuit condition：When door closure is closed, door closure folding
Detection circuit is open circuit, and program controller judges that door closure is opened；When door closure is opened, it is open circuit, program controller that door closure, which opens and closes detection circuit,
Judge that door closure is opened；
With in door digital circuit：
When microswitch and any failure of tongue tube, and when failure state is channel status：When door closure is closed, with door number
Circuit output high level, program controller judge that door closure is closed；When door closure is opened, low level is exported with door digital circuit, program controller is sentenced
Disconnected door closure is opened；
When microswitch and any failure of tongue tube, and when failure state is open-circuit condition：When door closure is closed, with door number
Circuit output low level, program controller judge that door closure is opened；When door closure is opened, low level is exported with door digital circuit, program controller is sentenced
Disconnected door closure is opened.
Herein, door closure folding detection method has effectively achieved the protection to user, and the user experience is improved.When
So, occurs erroneous judgement situation sometimes, after washing machine sends out alarm, user has found that door for washing machine is when closing, and is door closure
It opens and closes testing agency to break down, it need to be repaired.
The above is only presently preferred embodiments of the present invention, is not intended to limit the present invention in any form, though
So the present invention has been disclosed as a preferred embodiment, and however, it is not intended to limit the invention, any technology people for being familiar with this patent
Member without departing from the scope of the present invention, when the technology contents using above-mentioned prompt make it is a little change or be modified to
The equivalent embodiment of equivalent variations, it is right according to the technical essence of the invention as long as being the content without departing from technical solution of the present invention
Any simple modification, equivalent change and modification made by above example, in the range of still falling within the present invention program.
Claims (10)
1. a kind of door closure opening and closing detector is used for washing machine, washing machine includes door closure and control panel seat, which is characterized in that packet
It includes：
At least two testing agencies are respectively detected the folding of door closure, and export testing result signal；
Program controller is connect with the signal output end of testing agency, and combines the door closure folding detection knot of at least two testing agencies
Fruit obtains door closure folding condition.
2. a kind of door closure opening and closing detector according to claim 1, it is characterised in that：
Testing agency includes mechanical detection mechanism and inductive detection mechanism, and the mechanical detection mechanism is microswitch,
The inductive detection mechanism is tongue tube；
When microswitch and tongue tube detect that door closure is closed, program controller judges that door for washing machine is closed.
3. a kind of door closure opening and closing detector according to claim 1 or 2, it is characterised in that：
Washing machine is equipped with the door closure being rotatedly connected through shaft and control panel seat, has been wholely set control arm on door closure, fine motion is opened
It closes and is set on control panel seat close to control arm；
Tongue tube and microswitch cover face tongue tube in being diagonally set on control panel seat, in door of washing machine and are equipped with and tongue tube
The magnet of matching.
4. a kind of door closure opening and closing detector according to claim 3, it is characterised in that：
When microswitch and tongue tube work normally, and door closure is closed, the contact closure of control arm control microswitch is formed
Access, tongue tube magnetize to form access by near magnet reed；When door closure is opened, shape is opened in the contact that control arm controls microswitch
At open circuit, tongue tube flicks to form open circuit far from magnet reed.
5. a kind of door closure opening and closing detector according to claim 1, it is characterised in that：
At least two testing agencies connect to form door closure folding detection circuit, and door closure folding detection circuit is connected with program controller, journey
Access/open-circuit condition that control device opens and closes detection circuit according to door closure judges door closure close/open；
And/or at least two testing agency composition with door digital circuit, be connected with program controller with the output end of door digital circuit, journey
Control device is that high level/low level judges door closure close/open according to the output signal of door digital circuit.
6. a kind of door closure opening and closing detector according to claim 5, it is characterised in that：
When microswitch and any failure of tongue tube, and when failure state is channel status：When door closure is closed, door closure folding detection
Circuit is access, and program controller judges that door closure is closed；When door closure is opened, it is open circuit that door closure, which opens and closes detection circuit, and program controller judges door
Lid is opened；
When microswitch and any failure of tongue tube, and when failure state is open-circuit condition：When door closure is closed, door closure folding detection
Circuit is open circuit, and program controller judges that door closure is opened；When door closure is opened, it is open circuit that door closure, which opens and closes detection circuit, and program controller judges
Door closure is opened；
And/or
When microswitch and any failure of tongue tube, and when failure state is channel status：When door closure is closed, with door digital circuit
High level is exported, program controller judges that door closure is closed；When door closure is opened, low level is exported with door digital circuit, program controller judges door
Lid is opened；
When microswitch and any failure of tongue tube, and when failure state is open-circuit condition：When door closure is closed, with door digital circuit
Low level is exported, program controller judges that door closure is opened；When door closure is opened, low level is exported with door digital circuit, program controller judges door
Lid is opened.
7. according to a kind of any door closure opening and closing detectors of claim 1-6, it is characterised in that：
Washing machine further includes cover lock, is set near tongue tube, and the cover lock executes lock/unlock according to the folding condition of door closure；
And/or the cover lock is through manually controlling execution lock/unlock.
8. a kind of door closure opens and closes detection method, it is applied to the door closure opening and closing detector as described in claim 1-7 is any, it is special
Sign is：
In the washing machine course of work, program controller at any time or periodically judges the folding condition of door closure, if washing machine
Door closure closure then controls washing machine and continues to execute present procedure, and alarm is sent out if door for washing machine is opened and is suspended current
Program.
9. a kind of door closure according to claim 8 opens and closes detection method, it is characterised in that：
The door closure opens and closes detection method：In the washing machine course of work, when door for washing machine is closed, control on cover lock
Lock, and after preset time period, cover lock is unlocked.
10. a kind of door closure according to claim 8 or claim 9 opens and closes detection method, which is characterized in that include the following steps：
S1, washing machine booting work, at least two testing agencies are respectively detected door closure folding condition, execute S2；
S2, program controller at any time or periodically judge the folding condition of door closure, and execute S3；
If S3, judging that door closure is in an open state, sending out alarm and suspending present procedure；Otherwise it locks, and continues to cover lock
Execute present procedure.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710113332.4A CN108505288B (en) | 2017-02-28 | 2017-02-28 | Door cover opening and closing detection device and method |
| PCT/CN2018/075343 WO2018157702A1 (en) | 2017-02-28 | 2018-02-06 | Apparatus and method for detecting the opening and closing of door flap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710113332.4A CN108505288B (en) | 2017-02-28 | 2017-02-28 | Door cover opening and closing detection device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108505288A true CN108505288A (en) | 2018-09-07 |
| CN108505288B CN108505288B (en) | 2020-10-02 |
Family
ID=63370616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710113332.4A Active CN108505288B (en) | 2017-02-28 | 2017-02-28 | Door cover opening and closing detection device and method |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108505288B (en) |
| WO (1) | WO2018157702A1 (en) |
Cited By (3)
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| CN109183352A (en) * | 2018-10-24 | 2019-01-11 | 青岛海尔洗衣机有限公司 | Washing facility and its control method |
| CN109554888A (en) * | 2018-11-12 | 2019-04-02 | 扬州瑞控汽车电子有限公司 | A kind of the anti-pinch hand system and its control method of washing machine |
| US20220136283A1 (en) * | 2020-10-30 | 2022-05-05 | Elettrotecnica Rold S.R.L. | Device for closing and opening and/or for locking and unlocking doors, in particular doors of household appliances such as washing machines or the like |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111008951B (en) * | 2019-09-21 | 2024-06-18 | 山西金智鸿阳科技有限公司 | Calculation method of opening and closing angle of split type disconnecting link based on positioning identification |
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Also Published As
| Publication number | Publication date |
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| WO2018157702A1 (en) | 2018-09-07 |
| CN108505288B (en) | 2020-10-02 |
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