CN105444234B - The folding control method and device of cap assemblies above range hood - Google Patents

The folding control method and device of cap assemblies above range hood Download PDF

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Publication number
CN105444234B
CN105444234B CN201511024322.0A CN201511024322A CN105444234B CN 105444234 B CN105444234 B CN 105444234B CN 201511024322 A CN201511024322 A CN 201511024322A CN 105444234 B CN105444234 B CN 105444234B
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CN
China
Prior art keywords
cap assemblies
current value
control
closure
range hood
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CN201511024322.0A
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Chinese (zh)
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CN105444234A (en
Inventor
姚树林
吕春明
黎本锋
李勇
郑根明
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广东美的厨房电器制造有限公司
美的集团股份有限公司
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Priority to CN201511024322.0A priority Critical patent/CN105444234B/en
Publication of CN105444234A publication Critical patent/CN105444234A/en
Application granted granted Critical
Publication of CN105444234B publication Critical patent/CN105444234B/en

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00Details
    • F24C15/20Removing cooking fumes
    • F24C15/2021Arrangement or mounting of control or safety systems

Abstract

The invention discloses a kind of folding control method of cap assemblies above range hood, the folding control method of cap assemblies comprises the following steps above the range hood:In the operational mode, control during cap assemblies closure, obtains above and controls the motor corresponding current value a that cap assemblies are closed above described the range hood every the first preset time period;According to the current value a currently obtained and when the historical current value a of acquisition before in secondary cap assemblies closing course above is compared determination, currently closure whether there is exception;When current closure has abnormal, control the motor to rotate backward the time and reach first threshold, with control above cap assemblies open presetting angle, then proceeding to control, cap assemblies are closed above.The invention also discloses a kind of folding control device of cap assemblies above range hood.The present invention realizes cap assemblies finger control above, improves the intelligent of range hood.

Description

The folding control method and device of cap assemblies above range hood
Technical field
The present invention relates to the folding control method of cap assemblies above household electrical appliance technical field, more particularly to range hood and Device.
Background technology
It is well known that in existing range hood, in order to improve overall aesthetics, generally in side entering type range hood Add cap assemblies above.Because cap assemblies are one of position that user often operates above, during closing, if user Hand is not taken out in time, tong phenomenon easily occurs, and degree of intelligence is relatively low.
The content of the invention
It is a primary object of the present invention to provide a kind of folding control method and device of cap assemblies above range hood, purport Cover component finger is controlled in realization, improves the intelligent of range hood.
To achieve the above object, the folding control method of cap assemblies, described above a kind of range hood that the present invention is provided The folding control method of cap assemblies comprises the following steps above range hood:
The range hood in the operational mode, control above cap assemblies closure during, every the first preset time Section obtains the corresponding current value a of motor of the control closure of cap assemblies above;
According to the current value a currently obtained with working as the historical current value a obtained before in secondary cap assemblies closing course above The current closure of determination is compared with the presence or absence of abnormal;
When current closure has abnormal, control the motor to rotate backward the time and reach first threshold, to control above Cap assemblies open presetting angle, and then proceeding to control, cap assemblies are closed above.
Preferably, the folding control method of cap assemblies also includes above the range hood:
Closed when current in the presence of exception, and the current value a that record acquisition is currently got every time, and obtained once every During current value a, calculate all current value a sums got and be more than preset standard current value sum in the first preset time range When, perform preset finger operation;
When all current value a sums got are more than preset standard current value sum in the second preset time range, The motor stalls are controlled, to complete the closed procedure of cap assemblies above.
Preferably, the preset finger operation of the execution includes:
The motor stalls are controlled, and export corresponding prompt message;
When the motor stalls time reaching Second Threshold, the motor is controlled to be rotated further, to control above described Cap assemblies continue to close.
Preferably, the range hood is in the operational mode, pre- every first during controlling cap assemblies closure above Also include before the corresponding current value a of motor for putting the period acquisition control closure of cap assemblies above:
The range hood controls the cap assemblies above to open, every second under default adaptive adjustment modes Preset time period obtains the corresponding current value c of the motor;
When the current value c is more than the first preset value, the cap assemblies above are controlled to stop operating;
The control cap assemblies closure above, obtains every first preset time period and to record the motor corresponding Current value d;
When the current value d is more than the second preset value, the cap assemblies above are controlled to stop operating, by the record Current value d is set as the preset standard current value.
Preferably, it is characterised in that the current value a that the basis is currently obtained is with working as in secondary cap assemblies closing course above The historical current a values obtained before are compared the current closure of determination to be included with the presence or absence of abnormal:
Judged when whether the difference between the current value a that the current value a and a upper time point that time point obtains are obtained is more than 3rd preset value;If it is abnormal then to determine that current closure is present, otherwise determine that current closure is not present abnormal.
In addition, to achieve the above object, the present invention also provides a kind of folding control device of cap assemblies above range hood, The folding control device of cap assemblies includes above the range hood:
Acquisition module, for the range hood in the operational mode, during controlling cap assemblies closure above, every First preset time period obtained the corresponding current value a of motor of the control closure of cap assemblies above;
Comparison module, is obtained before for the current value a that basis is currently obtained with working as in secondary cap assemblies closing course above Historical current value a be compared the current closure of determination with the presence or absence of abnormal;
Control module, the first threshold is reached for when current closure has abnormal, controlling the motor to rotate backward the time Value, to control cap assemblies opening presetting angle above, then proceeding to control, cap assemblies are closed above.
Preferably, the folding control device of cap assemblies also includes above the range hood:
, not there is no exception in processing module, and record obtains the current value a currently got every time for ought currently close, And in every acquisition primary current value a, calculate all current value a sums got and preset more than in the first preset time range During standard current value sum, preset finger operation is performed;
The control module is additionally operable to, when all current value a sums got are more than in the second preset time range in advance If during standard current value sum, controlling the motor stalls, to complete the closed procedure of cap assemblies above.
Preferably, the processing module is specifically for controlling the motor stalls, and export corresponding prompting letter Breath;When the motor stalls time reaching Second Threshold, the motor is controlled to be rotated further, to control the cap assemblies above Continue to close.
Preferably, the folding control device of cap assemblies also includes setup module above the range hood,
The acquisition module, is additionally operable to the range hood under default adaptive adjustment modes, controls above described During cap assemblies are opened, the corresponding current value c of the motor is obtained every the second preset time period;
The control module, is additionally operable to, when the current value c is more than the first preset value, control the cap assemblies above to stop Rotation stop is moved;
The acquisition module, is additionally operable on control is described during cap assemblies closure, preset every described first Period obtains and records the corresponding current value d of the motor;
The setup module, for when the current value d is more than the second preset value, controlling the cap assemblies above to stop Rotate, the current value d of the record is set as the preset standard current value.
Preferably, it is characterised in that the comparison module specifically for, judge when time point obtain current value a with it is upper Whether the difference between the current value a that one time point obtained is more than the 3rd preset value;If it is abnormal then to determine that current closure is present, Otherwise determine that current closure is not present abnormal.
The embodiment of the present invention by range hood in the operational mode, control above cap assemblies closure during, every First preset time period obtained the corresponding current value a of motor of the control closure of cap assemblies above;According to the electricity currently obtained Whether flow valuve a is compared the current closure of determination with the historical current value a obtained before in cap assemblies closing course time above In the presence of exception;When current closure has abnormal, control the motor to rotate backward the time and reach first threshold, to control above Cap assemblies open presetting angle, and then proceeding to control, cap assemblies are closed above.It is achieved thereby that cap assemblies finger control above, Improve the intelligent of range hood.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of the folding control method first embodiment of cap assemblies above range hood of the present invention;
Fig. 2 is the schematic flow sheet of the folding control method second embodiment of cap assemblies above range hood of the present invention;
Fig. 3 is the schematic flow sheet of the folding control method 3rd embodiment of cap assemblies above range hood of the present invention;
Fig. 4 is the functional module signal of the folding control device first embodiment of cap assemblies above range hood of the present invention Figure;
Fig. 5 is the functional module signal of the folding control device second embodiment of cap assemblies above range hood of the present invention Figure;
Fig. 6 is the functional module signal of the folding control device 3rd embodiment of cap assemblies above range hood of the present invention Figure.
The realization, functional characteristics and advantage of the object of the invention will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
The folding control method of cap assemblies above a kind of range hood of present invention offer, reference picture 1, in one embodiment, The folding control method of cap assemblies includes above the range hood:
Step S10, the range hood in the operational mode, control above cap assemblies closure during, every first Preset time period obtains the corresponding current value a of motor of the control closure of cap assemblies above;
The folding control method of cap assemblies is mainly used in side entering type suction above range hood provided in an embodiment of the present invention In lampblack absorber, it is controlled for the folding to the positive cap assemblies above of sealing deflector, to reach the purpose of finger.
Specifically, user kitchen is arranged on normally in use, range hood is all in mode of operation in range hood.At this Under mode of operation, above cap assemblies open and close movement can be realized under the driving of motor.During cap assemblies above are closed, The corresponding current value a of a motor is obtained every the first preset time period, current value a can be by designing in motor main circuit One resistance carries out current detecting, to obtain corresponding current value a.The time span of above-mentioned first preset time period can basis It is actually needed and is configured, in this embodiment, it is preferred that, the time span of the first preset time period can be 1~5ms.
Step S20, according to the current value a currently obtained with working as the history obtained before in secondary cap assemblies closing course above Current value a is compared the current closure of determination with the presence or absence of abnormal;
In the present embodiment, above-mentioned historical current value a is to work as in secondary cap assemblies closing course above starting to be closed into currently The electric current value information recorded between time point.Specifically, the side that time current value a of acquisition is compared with historical current value a will be worked as Formula can be configured according to actual needs, not do further limiting herein.For example can will when time obtain current value a with The current value a that last time obtains is compared, and judges whether current value a is mutated, when current value a increased dramatically, then Show that motor has stall phenomenon, now then assert that closure is present abnormal, i.e., there is foreign matter in the stroke of cap assemblies closure above Tissue cap assemblies closure (such as tong or clamp other things) above.Can also according between continuous three times difference two-by-two it is big Whether small determination current value a is mutated.
Step S30, when current closure has abnormal, controls the motor to rotate backward the time and reaches first threshold, with Cap assemblies open presetting angle above for control, and then proceeding to control, cap assemblies are closed above.
Compared by the size of above-mentioned current value, it is determined that when current closure has abnormal, can be rotated backward with controlled motor Certain time (above-mentioned first threshold), to control cap assemblies opening certain angle above, so that in the case of tong, Yong Huke So that hand to be extracted out, or the removing of other foreign matters is clean.Cap assemblies are opened after presetting angle again above above-mentioned, Ke Yiting Rotation stop dynamic a period of time, it is further continued for entering cap assemblies closed jet journey above, cover component closure flow can also be directly entered, it is right This, can be configured according to actual needs.In addition, the intelligent or human oriented design in order to improve product, can also be in inspection Measure after abnormal closure, export corresponding warning message to remind user.For example the warning message can dodge for red alarm lamp It is bright, can be alarm voice information etc..
The embodiment of the present invention by range hood in the operational mode, control above cap assemblies closure during, every First preset time period obtained the corresponding current value a of motor of the control closure of cap assemblies above;According to the electricity currently obtained Whether flow valuve a is compared the current closure of determination with the historical current value a obtained before in cap assemblies closing course time above In the presence of exception;When current closure has abnormal, control the motor to rotate backward the time and reach first threshold, to control above Cap assemblies open presetting angle, and then proceeding to control, cap assemblies are closed above.It is achieved thereby that cap assemblies finger control above, Improve the intelligent of range hood.
Further, reference picture 2, based on above-described embodiment, in the present embodiment, cap assemblies opens above the range hood Combination control method also includes:
Step S40, when current closure do not exist it is abnormal, and all current value a sums got be more than first it is default when Between in the range of preset standard current value sum when, perform the operation of preset finger;
Step S50, when all current value a sums got are more than preset standard current value in the second preset time range During sum, the motor stalls are controlled, to complete the closed procedure of cap assemblies above.
Above-mentioned first preset time range can be configured according to actual needs, in the present embodiment, due in upper cover There is corresponding relation in the run time and angle of component closure, during cap assemblies above are closed, can set two ranks Section, ran to after the first stage, pause closure, and exported prompt message, reminded user to prevent tong.Specifically, above-mentioned first Angle of the preset time range for determining closure, the present embodiment, the current value a that record acquisition is currently got every time, and When often obtaining primary current value a, calculate all current value a sums got, when calculate obtain should and value more than above-mentioned the In one preset time range during preset standard current value sum, then judge to have reached the tentative closure angle set before, this When, finger operation scheme set in advance will be performed.After the finger operation scheme has been performed, controlled motor can be continued Rotate, to enter normal closure flow.Preset when all current value a sums got are more than in the second preset time range During standard current value sum, the motor stalls are controlled, to complete the closed procedure of cap assemblies above.Second preset time Scope is more than above-mentioned first preset time range, and the first preset time range internal standard current value sum is to control under normal circumstances Make all current value a got during cap assemblies are closed into above-mentioned pause angle above every above-mentioned first preset time Sum;Above-mentioned second preset time range internal standard current value sum for control under normal circumstances above cap assemblies be closed into a mistake All current value a sums got in journey every above-mentioned first preset time.Wherein above-mentioned standard current value, is normal condition Under can be configured every the current value d accessed by the first preset time, current value d when dispatching from the factory, can also peace Obtained after dress by preoperation record.
Specifically, above-mentioned finger operation scheme can be configured according to actual needs, for example in the present embodiment, institute Stating the preset finger operation of execution can include:The motor stalls are controlled, and export corresponding prompt message;Work as motor When the time of stopping operating reaches Second Threshold, the motor is controlled to be rotated further, to control the cap assemblies above to continue to close. The warning message can be the flicker of red alarm lamp, can be alarm voice information etc..
Further, reference picture 3, based on above-described embodiment, in the present embodiment, also include before above-mentioned steps S10:
Step S60, the range hood controls the cap assemblies above to open under default adaptive adjustment modes, The corresponding current value c of the motor is obtained every the second preset time period;
Step S70, when the current value c is more than the first preset value, controls the cap assemblies above to stop operating;
Step S80, controls the cap assemblies closure above, is obtained every first preset time period and record the electricity The corresponding current value d of machine;
Step S90, when the current value d is more than the second preset value, controls the cap assemblies above to stop operating, by institute The current value d for stating record is set as the preset standard current value.
In the present embodiment, above-mentioned adaptive adjustment modes are mode of learning, and above-mentioned standard current value is obtained for recording.Should The entrance of adaptive model can be configured according to actual needs, in the present embodiment, it is preferable that the adaptive model can be When electric in range hood installation, automatically into adaptive adjustment modes, lid group above range hood is now directly controlled Part completes an open and close movement;It is understood that in other embodiments, special button can be set, when the button is pressed After next time, then automatically into adaptive adjustment modes, now cap assemblies complete once to open directly above control range hood Resultant motion.Specifically, under adaptive model, cap assemblies opening above is controlled first, it is pre- every second during opening The current value c of motor of period acquisition is put, now determines whether to be opened to cap assemblies above according to current value c size Maximum angle (i.e. when current value c be more than the first preset value when), can after it is determined that cap assemblies are opened to maximum angle above Stopped operating with controlled motor.Enter the closure flow of cap assemblies above immediately or entered back into above after pause a period of time The closure flow of cap assemblies.During cap assemblies above are closed, obtained every the first preset time period and record motor Current value d, now according to current value d size determine above cap assemblies whether completely closure (i.e. when current value d is more than the During two preset values), after it is determined that cap assemblies are closed completely above, it can be stopped operating with controlled motor.Above-mentioned second preset time The time span of section can be configured according to actual needs, in the present embodiment, it is preferable that the time of second preset time period Length is consistent with the time span of the first preset time period.
The current value d that cap assemblies above are recorded in closing course is stored as above-mentioned standard current value.Should Illustrate, the standard current value sum that can also be recorded according to each time point draws an electric current total value curve, to compare When the current value that directly reads on the electric current total value curve can obtain the standard current value sum in correspondence time range.Pass through Curve is drawn, calculating can also be modified to the standard current value sum of each point time range according to slope of a curve, so that Improve the accuracy and reliability of control.
It is understood that in actual applications, the angle opened every time, which differs, is set to maximum, according to adaptive model All current value c in lower record opening procedure, can set an opening current value c conduct during actually opened Compare (the current value c sums for being all records in a period of time), when cover component is opened, every the second preset time period Obtain and record current current value d, be compared according to the current value d sums of all records and the current value d of setting, when big When the current value d of the setting, then controlled motor stops operating, to complete opening operation.
Further, the current value a that above-mentioned basis is currently obtained before in secondary cap assemblies closing course above with obtaining Historical current value a be compared and determine that current closure can be configured according to actual needs with the presence or absence of abnormal mode, Based on above-described embodiment, in the present embodiment, it is preferable that above-mentioned steps S20 includes:
Judged when whether the difference between the current value a that the current value a and a upper time point that time point obtains are obtained is more than 3rd preset value;If it is abnormal then to determine that current closure is present, otherwise determine that current closure is not present abnormal.
In the present embodiment, because the adjacent time interval for getting current value a twice is shorter, therefore adjacent obtain twice Current value a change should be not more than above-mentioned 3rd preset value, when there is tong, and the electric current of motor will moment Increase, so as to cause when the difference between the current value a that the current value a and a upper time point that time point obtains are obtained is more than the 3rd Preset value, in order to improve the accuracy of judgement, can also work as and compare twice or more than twice, the electricity obtained when time point occur Difference between the current value a that flow valuve a and a upper time point obtain just determines that current closure has exception more than the 3rd preset value. Specifically, do not do and further limit herein.
The present invention also provides a kind of folding control device of cap assemblies above range hood, reference picture 4, in an embodiment In, the folding control device of cap assemblies includes above the range hood that the present invention is provided:
Acquisition module 10, for the range hood in the operational mode, during controlling cap assemblies closure above, often Obtained every the first preset time period and control the corresponding current value a of motor that cap assemblies are closed above described;
The folding control device of cap assemblies is mainly used in side entering type suction above range hood provided in an embodiment of the present invention In lampblack absorber, it is controlled for the folding to the positive cap assemblies above of sealing deflector, to reach the purpose of finger.
Specifically, user kitchen is arranged on normally in use, range hood is all in mode of operation in range hood.At this Under mode of operation, above cap assemblies open and close movement can be realized under the driving of motor.During cap assemblies above are closed, The corresponding current value a of a motor is obtained every the first preset time period, current value a can be by designing in motor main circuit One resistance carries out current detecting, to obtain corresponding current value a.The time span of above-mentioned first preset time period can basis It is actually needed and is configured, in this embodiment, it is preferred that, the time span of the first preset time period can be 1~5ms.
Comparison module 20, for being obtained before in secondary cap assemblies closing course above according to the current value a currently obtained with working as The historical current value a taken is compared the current closure of determination with the presence or absence of abnormal;
In the present embodiment, above-mentioned historical current value a is to work as in secondary cap assemblies closing course above starting to be closed into currently The electric current value information recorded between time point.Specifically, the side that time current value a of acquisition is compared with historical current value a will be worked as Formula can be configured according to actual needs, not do further limiting herein.For example can will when time obtain current value a with The current value a that last time obtains is compared, and judges whether current value a is mutated, when current value a increased dramatically, then Show that motor has stall phenomenon, now then assert that closure is present abnormal, i.e., there is foreign matter in the stroke of cap assemblies closure above Tissue cap assemblies closure (such as tong or clamp other things) above.Can also according between continuous three times difference two-by-two it is big Whether small determination current value a is mutated.
Control module 30, first is reached for when current closure has abnormal, controlling the motor to rotate backward the time Threshold value, to control cap assemblies opening presetting angle above, then proceeding to control, cap assemblies are closed above.
Compared by the size of above-mentioned current value, it is determined that when current closure has abnormal, can be rotated backward with controlled motor Certain time (above-mentioned first threshold), to control cap assemblies opening certain angle above, so that in the case of tong, Yong Huke So that hand to be extracted out, or the removing of other foreign matters is clean.Cap assemblies are opened after presetting angle again above above-mentioned, Ke Yiting Rotation stop dynamic a period of time, it is further continued for entering cap assemblies closed jet journey above, cover component closure flow can also be directly entered, it is right This, can be configured according to actual needs.In addition, the intelligent or human oriented design in order to improve product, can also be in inspection Measure after abnormal closure, export corresponding warning message to remind user.For example the warning message can dodge for red alarm lamp It is bright, can be alarm voice information etc..
The embodiment of the present invention by range hood in the operational mode, control above cap assemblies closure during, every First preset time period obtained the corresponding current value a of motor of the control closure of cap assemblies above;According to the electricity currently obtained Whether flow valuve a is compared the current closure of determination with the historical current value a obtained before in cap assemblies closing course time above In the presence of exception;When current closure has abnormal, control the motor to rotate backward the time and reach first threshold, to control above Cap assemblies open presetting angle, and then proceeding to control, cap assemblies are closed above.It is achieved thereby that cap assemblies finger control above, Improve the intelligent of range hood.
Further, reference picture 5, based on above-described embodiment, in the present embodiment, cap assemblies opens above above-mentioned range hood Closing control device also includes:
, not there is no exception in processing module 40, and all sums are more than in the first preset time range for ought currently close During preset standard current value sum, preset finger operation is performed;
The control module 30 is additionally operable to, when all current value a sums got are more than in the second preset time range During preset standard current value sum, the motor stalls are controlled, to complete the closed procedure of cap assemblies above.
Above-mentioned first preset time range can be configured according to actual needs, in the present embodiment, due in upper cover There is corresponding relation in the run time and angle of component closure, during cap assemblies above are closed, can set two ranks Section, ran to after the first stage, pause closure, and exported prompt message, reminded user to prevent tong.Specifically, above-mentioned first Angle of the preset time range for determining closure, the present embodiment, the current value a that record acquisition is currently got every time, and When often obtaining primary current value a, calculate all current value a sums got, when calculate obtain should and value more than above-mentioned the In one preset time range during preset standard current value sum, then judge to have reached the tentative closure angle set before, this When, finger operation scheme set in advance will be performed.After the finger operation scheme has been performed, controlled motor can be continued Rotate, to enter normal closure flow.Preset when all current value a sums got are more than in the second preset time range During standard current value sum, the motor stalls are controlled, to complete the closed procedure of cap assemblies above.Second preset time Scope is more than above-mentioned first preset time range, and the first preset time range internal standard current value sum is to control under normal circumstances Make all current value a got during cap assemblies are closed into above-mentioned pause angle above every above-mentioned first preset time Sum;Above-mentioned second preset time range internal standard current value sum for control under normal circumstances above cap assemblies be closed into a mistake All current value a sums got in journey every above-mentioned first preset time.Wherein above-mentioned standard current value, is normal condition Under can be configured every the current value d accessed by the first preset time, current value d when dispatching from the factory, can also peace Obtained after dress by preoperation record.
Specifically, above-mentioned finger operation scheme can be configured according to actual needs, for example in the present embodiment, institute Stating the preset finger operation of execution can include:The motor stalls are controlled, and export corresponding prompt message;Work as motor When the time of stopping operating reaches Second Threshold, the motor is controlled to be rotated further, to control the cap assemblies above to continue to close. The warning message can be the flicker of red alarm lamp, can be alarm voice information etc..I.e. in the present embodiment, above-mentioned processing mould Block 40 is specifically for controlling the motor stalls, and export corresponding prompt message;Reached when the motor stalls time During Second Threshold, the motor is controlled to be rotated further, to control the cap assemblies above to continue to close.
Further, reference picture 3, based on above-described embodiment, in the present embodiment, cap assemblies above above-mentioned range hood Folding control device also includes setup module 50,
The acquisition module 10, is additionally operable to the range hood under default adaptive adjustment modes, controls on described During cover component is opened, the corresponding current value c of the motor is obtained every the second preset time period;
The control module 30, is additionally operable to, when the current value c is more than the first preset value, control the cap assemblies above Stop operating;
The acquisition module 10, is additionally operable on control is described during cap assemblies closure, pre- every described first Putting the period obtains and records the corresponding current value d of the motor;
The setup module 50, for when the current value d is more than the second preset value, controlling the cap assemblies above to stop Rotation stop is moved, and the current value d of the record is set as into the preset standard current value.
In the present embodiment, above-mentioned adaptive adjustment modes are mode of learning, and above-mentioned standard current value is obtained for recording.Should The entrance of adaptive model can be configured according to actual needs, in the present embodiment, it is preferable that the adaptive model can be When electric in range hood installation, automatically into adaptive adjustment modes, lid group above range hood is now directly controlled Part completes an open and close movement;It is understood that in other embodiments, special button can be set, when the button is pressed After next time, then automatically into adaptive adjustment modes, now cap assemblies complete once to open directly above control range hood Resultant motion.Specifically, under adaptive model, cap assemblies opening above is controlled first, it is pre- every second during opening The current value c of motor of period acquisition is put, now determines whether to be opened to cap assemblies above according to current value c size Maximum angle (i.e. when current value c be more than the first preset value when), can after it is determined that cap assemblies are opened to maximum angle above Stopped operating with controlled motor.Enter the closure flow of cap assemblies above immediately or entered back into above after pause a period of time The closure flow of cap assemblies.During cap assemblies above are closed, obtained every the first preset time period and record motor Current value d, now according to current value d size determine above cap assemblies whether completely closure (i.e. when current value d is more than the During two preset values), after it is determined that cap assemblies are closed completely above, it can be stopped operating with controlled motor.Above-mentioned second preset time The time span of section can be configured according to actual needs, in the present embodiment, it is preferable that the time of second preset time period Length is consistent with the time span of the first preset time period.
The current value d that cap assemblies above are recorded in closing course is stored as above-mentioned standard current value.Should Illustrate, the standard current value sum that can also be recorded according to each time point draws an electric current total value curve, to compare When the current value that directly reads on the electric current total value curve can obtain the standard current value sum in correspondence time range.Pass through Curve is drawn, calculating can also be modified to the standard current value sum of each point time range according to slope of a curve, so that Improve the accuracy and reliability of control.
It is understood that in actual applications, the angle opened every time, which differs, is set to maximum, according to adaptive model All current value c in lower record opening procedure, can set an opening current value c conduct during actually opened Compare (the current value c sums for being all records in a period of time), when cover component is opened, every the second preset time period Obtain and record current current value d, be compared according to the current value d sums of all records and the current value d of setting, when big When the current value d of the setting, then controlled motor stops operating, to complete opening operation.
Further, the current value a that above-mentioned basis is currently obtained before in secondary cap assemblies closing course above with obtaining Historical current value a be compared and determine that current closure can be configured according to actual needs with the presence or absence of abnormal mode, Based on above-described embodiment, in the present embodiment, it is preferable that above-mentioned comparison module 20 is specifically for judging the electricity obtained when time point Whether the difference between the current value a that flow valuve a and a upper time point obtain is more than the 3rd preset value;If then determining current closure In the presence of exception, otherwise determine that current closure is not present abnormal.
In the present embodiment, because the adjacent time interval for getting current value a twice is shorter, therefore adjacent obtain twice Current value a change should be not more than above-mentioned 3rd preset value, when there is tong, and the electric current of motor will moment Increase, so as to cause when the difference between the current value a that the current value a and a upper time point that time point obtains are obtained is more than the 3rd Preset value, in order to improve the accuracy of judgement, can also work as and compare twice or more than twice, the electricity obtained when time point occur Difference between the current value a that flow valuve a and a upper time point obtain just determines that current closure has exception more than the 3rd preset value. Specifically, do not do and further limit herein.
The preferred embodiments of the present invention are these are only, are not intended to limit the scope of the invention, it is every to utilize this hair Equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills Art field, is included within the scope of the present invention.

Claims (8)

1. a kind of folding control method of cap assemblies above range hood, it is characterised in that cap assemblies above the range hood Folding control method comprise the following steps:
In the operational mode, control during cap assemblies closure, is obtained the range hood every the first preset time period above Take the corresponding current value a of motor for controlling the closure of cap assemblies above;
According to the current value a currently obtained with working as the historical current value a progress obtained before in secondary cap assemblies closing course above Compare the current closure of determination with the presence or absence of abnormal;
When current closure has abnormal, control the motor to rotate backward the time and reach first threshold, to control upper cover group Part opens presetting angle, and then proceeding to control, cap assemblies are closed above;
In the operational mode, control during cap assemblies closure, is obtained the range hood every the first preset time period above Take also includes before the corresponding current value a of motor for controlling the closure of cap assemblies above:
The range hood controls the cap assemblies above to open under default adaptive adjustment modes, preset every second Period obtains the corresponding current value c of the motor;
When the current value c is more than the first preset value, the cap assemblies above are controlled to stop operating;
The control cap assemblies closure above, obtains every first preset time period and records the corresponding electric current of the motor Value d;
When the current value d is more than the second preset value, the cap assemblies above are controlled to stop operating, by the electric current of the record Value d is set as preset standard current value.
2. the folding control method of cap assemblies above range hood as claimed in claim 1, it is characterised in that the fume-exhausting The folding control method of cap assemblies also includes above machine:
Closed when current in the presence of exception, and the current value a that record acquisition is currently got every time, and in every acquisition primary current During value a, when all current value a sums got of calculating are more than preset standard current value sum in the first preset time range, Perform preset finger operation;
When all current value a sums got are more than preset standard current value sum in the second preset time range, control The motor stalls, to complete the closed procedure of cap assemblies above.
3. the folding control method of cap assemblies above range hood as claimed in claim 2, it is characterised in that the execution is pre- Putting finger operation includes:
The motor stalls are controlled, and export corresponding prompt message;
When the motor stalls time reaching Second Threshold, the motor is controlled to be rotated further, to control the upper cover group Part continues to close.
4. the folding control method of cap assemblies above range hood as claimed any one in claims 1 to 3, its feature exists In the current value a that the basis is currently obtained enters with the historical current value a obtained before in secondary cap assemblies closing course above Row compares the current closure of determination and included with the presence or absence of abnormal:
Judged when whether the difference between the current value a that the current value a and a upper time point that time point obtains are obtained is more than the 3rd Preset value;If it is abnormal then to determine that current closure is present, otherwise determine that current closure is not present abnormal.
5. a kind of folding control device of cap assemblies above range hood, it is characterised in that cap assemblies above the range hood Folding control device include:
Acquisition module, during controlling cap assemblies closure above, every first for the range hood in the operational mode Preset time period obtains the corresponding current value a of motor of the control closure of cap assemblies above;
Comparison module, for according to the current value a currently obtained and going through for being obtained before in secondary cap assemblies closing course above History current value a is compared the current closure of determination with the presence or absence of abnormal;
Control module, first threshold is reached for when current closure has abnormal, controlling the motor to rotate backward the time, with Cap assemblies open presetting angle above for control, and then proceeding to control, cap assemblies are closed above;
The folding control device of cap assemblies also includes setup module above the range hood,
The acquisition module, is additionally operable to the range hood under default adaptive adjustment modes, controls the upper cover group During part is opened, the corresponding current value c of the motor is obtained every the second preset time period;
The control module, is additionally operable to, when the current value c is more than the first preset value, control the cap assemblies above to stop turning It is dynamic;
The acquisition module, is additionally operable on control is described during cap assemblies closure, every first preset time Section obtains and records the corresponding current value d of the motor;
The setup module, for when the current value d is more than the second preset value, controlling the cap assemblies above to stop turning It is dynamic, the current value d of the record is set as preset standard current value.
6. the folding control device of cap assemblies above range hood as claimed in claim 5, it is characterised in that the fume-exhausting The folding control device of cap assemblies also includes above machine:
, not there is no exception in processing module, and the current value a that record acquisition is currently got every time for ought currently close, and When often obtaining primary current value a, calculate all current value a sums got and be more than preset standard in the first preset time range During current value sum, preset finger operation is performed;
The control module is additionally operable to, and is marked with advance when all current value a sums got are more than in the second preset time range During quasi- current value sum, the motor stalls are controlled, to complete the closed procedure of cap assemblies above.
7. the folding control device of cap assemblies above range hood as claimed in claim 6, it is characterised in that the processing mould Block is specifically for controlling the motor stalls, and export corresponding prompt message;Is reached when the motor stalls time During two threshold values, the motor is controlled to be rotated further, to control the cap assemblies above to continue to close.
8. the folding control device of cap assemblies above the range hood as any one of claim 5 to 7, its feature exists In, the comparison module specifically for, judge current value a that the current value a obtained when time point obtained with a upper time point it Between difference whether be more than the 3rd preset value;If it is abnormal then to determine that current closure is present, otherwise determine that current closure is not present It is abnormal.
CN201511024322.0A 2015-12-28 2015-12-28 The folding control method and device of cap assemblies above range hood CN105444234B (en)

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CN107990395B (en) * 2018-01-24 2019-09-03 迅达科技集团股份有限公司 A kind of range hood screen sliding lift control system
CN108561931B (en) * 2018-07-02 2019-10-01 珠海格力电器股份有限公司 Smoke deflector control method, device, kitchen ventilator and readable storage medium storing program for executing
CN109240182B (en) * 2018-11-14 2020-08-21 刘盛荣 Electric curve-based anti-pinch method for electric sofa
CN110006080A (en) * 2019-04-08 2019-07-12 珠海格力电器股份有限公司 A kind of range hood and its control method, control device and control equipment
CN110469882A (en) * 2019-07-01 2019-11-19 珠海格力电器股份有限公司 A kind of range hood cover control method, device, equipment and readable medium

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CN103925624A (en) * 2013-01-11 2014-07-16 关建新 Oil fume exhaust machine having function of prevention of hand and other things from pinching by panel
CN203489329U (en) * 2013-09-23 2014-03-19 上海林内有限公司 Range hood with manually opened and closed middle turnover plate
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Effective date of registration: 20180928

Address after: 528311 20 Beijiao Road, Beijiao Town, Shunde District, Foshan, Guangdong

Patentee after: Foshan Shunde District Midea Washing Electrical Appliance Manufacturing Co., Ltd.

Address before: 528311 Yongan Road, Beijiao Town, Shunde District, Foshan, Guangdong 6

Co-patentee before: Midea Group Co., Ltd.

Patentee before: Guangdong Midea Kitchen Appliance Manufacturing Co., Ltd.