CN114766994A - Method and device for controlling roller brush of floor washing machine - Google Patents
Method and device for controlling roller brush of floor washing machine Download PDFInfo
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- CN114766994A CN114766994A CN202210419895.7A CN202210419895A CN114766994A CN 114766994 A CN114766994 A CN 114766994A CN 202210419895 A CN202210419895 A CN 202210419895A CN 114766994 A CN114766994 A CN 114766994A
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- drying
- brush
- rolling brush
- rotation
- switching tube
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/29—Floor-scrubbing machines characterised by means for taking-up dirty liquid
- A47L11/30—Floor-scrubbing machines characterised by means for taking-up dirty liquid by suction
- A47L11/302—Floor-scrubbing machines characterised by means for taking-up dirty liquid by suction having rotary tools
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
- A47L11/4002—Installations of electric equipment
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
- A47L11/4011—Regulation of the cleaning machine by electric means; Control systems and remote control systems therefor
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
- A47L11/4091—Storing or parking devices, arrangements therefor; Means allowing transport of the machine when it is not being used
Abstract
The invention relates to a method and a device for controlling a roller brush of a floor washing machine. The method for controlling the roller brush of the floor washing machine comprises the following steps: after the roller brush finishes self-cleaning, drying the roller brush; in the drying process of the rolling brush, the rolling brush is controlled to rotate: the rolling brush rotates in a mode of interval rotation within each rotation circle, and the interval rotation is set as the rotation time length of each rotation of the rolling brush; the set angle is smaller than the angle corresponding to the drying arc length of the rolling brush when the drying unit directly blows the rolling brush; and when the drying end condition is met, stopping the drying and the rotation of the rolling brush. According to the invention, the rolling brush is controlled to rotate in an interval rotating mode in the drying process, the rolling brush can be comprehensively dried by rolling, the drying effect is ensured, odor caused by bacterial breeding is avoided, and the user experience is improved.
Description
Technical Field
The invention is suitable for the technical field of cleaning equipment, and particularly relates to a method and a device for controlling a roller brush of a floor washing machine.
Background
The handheld floor washing machine is mainly used for cleaning dust and garbage at home, along with the progress of times, more and more handheld floor washing machine products in the market are continuously updated and iterated, more and more new functions appear in application, and the handheld floor washing machine is popular with the majority of users.
In order to improve the experience effect of users, the existing handheld floor washing machine generally has a self-cleaning function. As shown in fig. 1, the hand-held floor washing machine includes a main body 10 and a base 80, wherein a rolling brush 16 is disposed at the bottom of the main body 10 for cleaning the floor, and a cleaning tank 81 is disposed on the base 80 for cleaning the rolling brush 16. The main machine 10 is provided with a clean water tank and a sewage tank, when the main machine 10 is placed on the base 80, self-cleaning can be carried out, the self-cleaning work flow is that water in the clean water tank is guided out by a water pump to carry out jet flushing on the roller brush 16, sewage generated after flushing is sucked into the sewage tank on the main machine 10 under the action of a suction piece, and the base 80 only has a holding function.
Meanwhile, the small fan is arranged on the base 80, and when the sewage is completely sucked, namely the self-cleaning of the rolling brush 16 is completed, the small fan is controlled to be started to blow the rolling brush 16. Carry out the in-process that weathers to round brush 16 through little fan among the prior art, round brush 16 is immovable for little fan can only blow the one side of round brush 16, another side ponding often appears and the phenomenon that does not weather, and long bacterial growing of ponding time arouses smellily, influences user experience.
Disclosure of Invention
In view of this, embodiments of the present invention provide a method and an apparatus for controlling a roller brush of a floor washing machine, so as to solve a problem that an existing drying manner affects user experience.
In a first aspect, there is provided a method of controlling a scrubber roller brush, the method comprising:
after the roller brush is automatically cleaned, drying the roller brush;
in the round brush stoving process, the control round brush rotates, and the round brush rotates and includes:
the rolling brush rotates in a mode of interval rotation within each rotation circle, and the interval rotation is set time length of each rotation of the rolling brush and is suspended for a set angle; the set angle is smaller than the angle corresponding to the drying arc length of the rolling brush when the drying unit directly blows the rolling brush;
and when the drying end condition is met, stopping the drying and the rotation of the rolling brush.
In a second aspect, there is provided a scrubber roller brush control arrangement, the arrangement comprising: the drying device comprises a drying unit, a rolling brush motor and a control unit, wherein the output end of the control unit is in control connection with the rolling brush motor and the drying unit; the drying unit is used for drying the roller brush; the control unit is used for controlling the rotation of the roller brush motor after the roller brush is automatically cleaned, and controlling the drying unit to perform drying operation on the roller brush so as to realize the roller brush control method of the floor washing machine.
Compared with the prior art, the method and the device for controlling the rolling brush of the floor washing machine have the beneficial effects that: according to the invention, the rolling brush is controlled to rotate in an interval rotating mode in the drying process, and the set angle of each rotation is smaller than the angle corresponding to the drying arc length of the rolling brush when the drying unit directly blows the rolling brush, so that the rolling brush can be comprehensively dried, the drying effect is ensured, odor caused by bacterial growth is avoided, and the user experience is improved.
Furthermore, in the method and the device for controlling the rolling brush of the floor washing machine, the set angle corresponding to each rotation of the rolling brush is the same in each rotation.
Further, in the method for controlling the rolling brush of the floor washing machine, the drying condition of the rolling brush is detected every time the rolling brush rotates for one circle, and the drying condition of the rolling brush is satisfied when the rolling brush is in a drying state, so that the drying effect is ensured.
Further, in the method for controlling the rolling brush of the floor washing machine, the self-cleaning process of the rolling brush comprises the following steps: the water pump is controlled to work, and the rolling brush is controlled to rotate; after the water pump stops working, controlling the suction piece to work, wherein the rotating speed of the rolling brush is greater than that of the water pump when the suction piece works; the water pump volume of the water pump is less than the cleaning tank volume, and the self-cleaning water consumption can be saved.
Further, in the method for controlling the rolling brush of the floor washing machine, the step of sterilizing the rolling brush is also included in the drying process of the rolling brush; or the step of sterilizing the rolling brush is also included after the drying is stopped, and the rolling brush is controlled to rotate in the process of sterilizing the rolling brush.
Furthermore, in the rolling brush control device of the floor washing machine, the control unit comprises a controller, a power supply line and a rolling brush rotation control branch,
a first switch tube is arranged on the power supply circuit, the input end of the first switch tube is connected with a power supply, and the output end of the first switch tube is connected with a rolling brush motor;
the rolling brush rotation control branch comprises a second switching tube, a third switching tube and a fourth switching tube, the control end of the second switching tube is connected with the controller, the input end of the second switching tube is connected with the power supply, and the output end of the second switching tube is grounded; the control ends of the third switch tube and the fourth switch tube are connected with the power supply, the input end of the fourth switch tube is connected with the input end of the first switch tube, the output end of the fourth switch tube is connected with the input end of the third switch tube, the output end of the third switch tube is grounded, the connection point of the output end of the fourth switch tube and the input end of the third switch tube is connected with the control end of the first switch tube, and therefore the reliability of the rotation control of the rolling brush is improved.
Further, in the above-mentioned control device for the rolling brush of the floor washing machine, the control device further comprises a humidity detection unit, the humidity detection unit is connected with the control unit, and is used for detecting the drying condition of the rolling brush when the rolling brush rotates for one circle, and the drying state of the rolling brush meets the drying end condition.
Further, among the above-mentioned floor cleaning machine round brush controlling means, this controlling means still includes water pump and suction piece, and water pump and suction piece all connect the control unit for carry out the automatically cleaning to the round brush, the round brush automatically cleaning process includes: the water pump is controlled to work, and the rolling brush is controlled to rotate; after the water pump stops working, controlling the suction piece to work, wherein the rotating speed of the rolling brush is greater than that of the rolling brush when the water pump works; the water pump of the water pump is smaller than the capacity of the cleaning tank.
Furthermore, in the control device of the rolling brush of the floor washing machine, the control device also comprises a sterilization unit, the control unit is in control connection with the sterilization unit and is used for sterilizing the rolling brush in the drying process of the rolling brush; or the step of sterilizing the rolling brush is included after drying is stopped, and the rolling brush is controlled to rotate in the sterilization process of the rolling brush, so that bacteria breeding is avoided, and the cleaning effect is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
FIG. 1 is a block diagram of a prior art hand-held floor scrubber;
FIG. 2 is a block diagram of the structure of the roll brush control device of the floor washing machine of the present invention;
FIG. 3 is a schematic circuit diagram of a power supply line and a roller brush rotation control branch in the floor washing machine roller brush control device according to the present invention;
FIG. 4 is a schematic circuit diagram of the controller of the scrubber roller brush control of the present invention;
FIG. 5 is a flowchart illustrating a first embodiment of a method for controlling a scrubber roller according to the present invention;
fig. 6 is a schematic drying view of a drying unit and a roll brush according to the present invention;
FIG. 7 illustrates an initial state of the drying unit according to the present invention when the drying angle is 180 °;
FIG. 8 is a schematic diagram of the drying unit of the present invention, after the roller brush rotates 180 degrees when the drying angle is 180 degrees;
FIG. 9 is a flowchart illustrating the operation of a second embodiment of the method for controlling the roll brush of the floor washing machine according to the present invention;
the symbols are as follows:
10 is a main machine, 16 is a rolling brush, 80 is a base, 81 is a cleaning tank, 1 is a power supply, 2 is a DC-DC converter, 3 is a single chip microcomputer, 4 is a filter circuit, 5 is a rolling brush rotation control branch, 6 is a rolling brush motor, 7 is a drying unit, 8 is a water pump, 9 is a suction piece, 10 is a power supply circuit and 11 is a humidity detection unit.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.
It should be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It should also be understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.
As used in this specification and the appended claims, the term "if" may be interpreted contextually as "when", "upon" or "in response to a determination" or "in response to a detection". Similarly, the phrase "if it is determined" or "if a [ described condition or event ] is detected" may be interpreted contextually to mean "upon determining" or "in response to determining" or "upon detecting [ described condition or event ]" or "in response to detecting [ described condition or event ]".
Furthermore, in the description of the present invention and the appended claims, the terms "first," "second," "third," and the like are used for distinguishing between descriptions and not necessarily for describing or implying relative importance.
Reference throughout this specification to "one embodiment" or "some embodiments," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the present invention. Thus, appearances of the phrases "in one embodiment," "in some embodiments," "in other embodiments," or the like, in various places throughout this specification are not necessarily all referring to the same embodiment, but rather "one or more but not all embodiments" unless specifically stated otherwise. The terms "comprising," "including," "having," and variations thereof mean "including, but not limited to," unless expressly specified otherwise.
It should be understood that, the sequence numbers of the steps in the following embodiments do not imply an execution sequence, and the execution sequence of each process should be determined by the function and the internal logic thereof, and should not limit the implementation process of the embodiments of the present invention in any way.
In order to explain the technical means of the present invention, the following description will be given by way of specific examples.
The roller brush control device of the floor washing machine provided by the invention can be applied to cleaning equipment such as a handheld floor washing machine or a sweeping robot and the like which needs to be automatically cleaned and dried.
The roller brush control device of the floor washing machine is shown in fig. 2, fig. 3 and fig. 4, and comprises a power supply 1, a drying unit 7, a roller brush motor 6, a water pump 8, a suction piece 9, a humidity detection unit 11 and a control unit, wherein the control unit comprises a controller (namely a single chip microcomputer 3), a power supply line 10 and a roller brush rotation control branch 5.
The power supply 1 is connected with the singlechip 3 through the DC-DC converter 2 and supplies power to the singlechip 3; the power supply 1 is connected with the rolling brush motor 6 through a power supply line 10 and supplies power for the rolling brush motor 6; the output end of the singlechip 3 is connected with the input end of the rolling brush rotation control branch 5, and the output end of the rolling brush rotation control branch 5 is connected with a power supply circuit 10 so as to control the rotating speed of the rolling brush motor 6; the singlechip 3 is connected with the drying unit 7 in a control way to control the working state of the drying unit 7; the water pump 8 and the suction piece 9 are both connected with the singlechip 3 so as to control the working states of the water pump 8 and the suction piece 9; the humidity detection unit 11 is connected with the single chip microcomputer 3 to send the detected drying condition of the rolling brush to the single chip microcomputer 3.
The rolling brush motor 6 is a driving device of the rolling brush, and the rolling brush motor 6 is mechanically connected with the rolling brush and used for driving the rolling brush to rotate through the rolling brush motor 6.
The drying unit 7 is configured to perform a drying operation on the roller brush, in the present invention, the drying unit 7 is a fan, and the roller brush is dried by the fan, as another embodiment, the drying unit 7 may also be a heater, and the roller brush is dried by heating, which is not limited in this disclosure.
The humidity detection unit 11 is used for detecting a drying state of the rolling brush, is a humidity sensor, and is arranged inside the rolling brush.
As shown in fig. 3, the power supply line 10 includes a positive branch and a negative branch, wherein the positive branch is provided with a switching tube Q20 (a first switching tube), the negative branch is grounded, an input end of the switching tube Q20 is connected to the positive electrode of the power supply 1 through a terminal JP9, a connecting line between an input end of the switching tube Q20 and a terminal JP9 is provided with a capacitor E3, and an output end of the switching tube Q20 is connected to the positive electrode of the roller brush motor 6 through a terminal JP 10;
the power supply line 10 includes filter circuit 4, and filter circuit 4 sets up between anodal branch road and negative pole branch road, specifically sets up on switch tube Q20's the output and terminal JP 10's connecting wire way, and filter circuit 4 includes a plurality of resistances and electric capacity for carry out the filtering to the current signal of power 1 output, carry out the harmonic suppression, guarantee the stability of the power supply of round brush motor 6. Specifically, a capacitor C24, a capacitor C25 and a capacitor C26 are connected in parallel between the positive electrode and the negative electrode of the roller brush motor 6, a resistor R63, a resistor R64 and a capacitor C27 are connected in parallel between the negative electrode of the roller brush motor and the ground, and a diode D3 is arranged between the output end of the switching tube Q20 and the negative electrode of the roller brush motor.
The model of a switching tube Q20 on the power supply line 10 is GP50P06LD, the capacitance value of a capacitor E3 is 100 muF/50V, the capacitance value of a capacitor C24 is 104/50V, the capacitance value of a capacitor C25 is 104/50V, the capacitance value of a capacitor C26 is 103/50V, the resistance value of a resistor R63 is 0.2R 1%, the resistance value of a resistor R64 is 0.2R 1%, the capacitance value of a capacitor C27 is 102, and the model of a diode D3 is ES 1D. The invention is not limited with respect to the specific type of each electric device, and the corresponding functions can be realized, and the sizes of the resistor and the capacitor can be selected according to the needs.
The rolling brush rotation control branch 5 includes a transistor Q23 (second switching tube), a transistor Q22 (third switching tube), and a transistor Q21 (fourth switching tube), wherein the transistors Q23 and Q21 are NPN transistors, and the transistor Q22 is a PNP transistor.
The control end of the triode Q23 is connected with a pin 8 of the singlechip 3 through a resistor R67 (namely a first resistor which has a current limiting function) so as to receive a signal BRU-PWM output by the singlechip 3 and realize the control of the rotating speed of the rolling brush motor 6; while the control terminal of transistor Q23 is coupled to ground through resistor R68 (i.e., a second resistor). The output of transistor Q23 is connected to ground.
The input end of the triode Q23 is connected with the positive electrode of the power supply sequentially through a resistor R65 (i.e., a third resistor) and a resistor R44 (i.e., a fourth resistor), and the connection point of the resistor R65 and the resistor R44 is connected with the control end of the triode Q22 and the control end of the triode Q21, i.e., the resistor R44 is connected in series between the control end of the triode Q21 and the power supply 1, and the resistor R65 is connected in series between the control end of the triode Q22 and the input end of the triode Q23. The input end of the triode Q21 is connected to the input end (i.e. the positive pole of the power supply) of the switching tube Q20, the output end of the triode Q21 is connected to the input end of the triode Q22, and the output end of the triode Q22 is grounded through a resistor R66 (i.e. a fifth resistor). The junction between the output terminal of the transistor Q21 and the input terminal of the transistor Q22 is connected to the control terminal of the switching transistor Q20 through a resistor R62 (i.e., a sixth resistor).
The type of the single chip microcomputer 3 is N32G032K6L7, in the rolling brush rotation control branch 5, the resistance value of a resistor R67 is 1K, the resistance value of a resistor R68 is 10K, the resistance value of a resistor R65 is 2K, the resistance value of a resistor R44 is 10K, the resistance value of a resistor R66 is 47R, the resistance value of a resistor R62 is 47R, the types of a triode Q23 and a triode Q21 are 5551, and the type of a triode Q22 is 5401. The resistance value of the resistor R69 in the peripheral circuit of the singlechip 3 is 2K, the resistance value of the resistor R72 is 10K, the resistance value of the resistor R70 is 100K, the capacitance value of the capacitor C31 is 104, and the capacitance value of the capacitor C30 is 104.
In order to realize the sterilization function of the rolling brush, further improve the self-cleaning effect of the rolling brush and avoid the breeding of bacteria, the rolling brush control device of the floor washing machine further comprises a sterilization unit, the singlechip 3 is in control connection with the sterilization unit, the sterilization unit is a UV lamp and emits ultraviolet rays through the UV lamp for ultraviolet sterilization, and the sterilization unit can also be equipment which emits other or future light rays with sterilization effect and used for daily sterilization, which is not limited by the invention.
The single chip microcomputer 3 is a core device of the invention, the single chip microcomputer 3 comprises a processor, a memory and a computer program which is stored in the memory and can run on the processor, and the processor realizes the rolling brush control method of the floor washing machine when executing the computer program.
The floor washing machine is shown in fig. 1 and comprises a main machine 10 and a base 80, and when the floor washing machine works completely, the roller brush self-cleaning and the drying are a continuous process. The main machine 10 is provided with a self-cleaning key, the base 80 is provided with a detection element, only when the main machine 10 is in position, the self-cleaning key is pressed, the rolling brush carries out self-cleaning action, and drying is automatically carried out after the self-cleaning action is finished.
Specifically, an embodiment of a method for controlling a scrubber roller brush is shown in fig. 5, and the method comprises the following steps:
step S101, after the host 10 is in place, the self-cleaning key is pressed down, and the rolling brush carries out self-cleaning.
Self-cleaning is mainly divided into two steps of water spray cleaning and sewage collection:
the first step is water spraying and cleaning: when the self-cleaning button on the main machine 10 is pressed, the roller brush and the water pump 8 in the clean water tank receive instructions, and simultaneously, the roller brush rotates, and the water pump 8 sprays water to the rotating roller brush for cleaning. Because the capacity of the cleaning tank is limited, the water pumping quantity of the water pump 8 is smaller than the capacity of the cleaning tank, and the water is prevented from overflowing from the cleaning tank.
And (3) collecting sewage in the second step: after the water pump 8 stops working, the suction piece 9 works to collect the sewage in the cleaning tank into the sewage tank. During the action of the suction element 9, the roller brush is rotated at a high speed, at which time the water on the roller brush is thrown out (spun) and the thrown water is sucked into the sewage tank.
In order to ensure the drying effect, the rotating speed of the rolling brush when the suction member 9 works is greater than that of the rolling brush when the water pump 8 works, of course, the rotating speeds of the rolling brush can be the same, and the invention is not limited to this. And the water pump 8 and the suction member 9 are operated in a cross cycle in order to improve the self-cleaning effect.
For example, pressing the self-cleaning button, the water pump 8 pumps water for 1 minute, then the water pump 8 stops working, the suction piece 9 is started to work for 1 minute (for collecting sewage), then the suction piece 9 is stopped, the water pump 8 is started again to work for 1 minute, and the cycle is repeated until self-cleaning is finished for a certain time. During self-cleaning, the water pump 8 and the suction piece 9 do not work simultaneously, so the arrangement also has the function of saving water, and the rolling brush immersion type cleaning is equivalent to water-saving more than running water type washing. Of course, the self-cleaning process may also be performed by operating the water pump 8 and the suction member 9 at the same time, which is not limited by the present invention.
And S102, after the rolling brush is automatically cleaned, drying the rolling brush, and controlling the rolling brush to rotate at intervals in each rotation of the rolling brush in the drying process of the rolling brush.
In the invention, the rolling brush rotates in an interval rotation mode within each rotation circle, and the interval rotation is set for each rotation angle of the rolling brush and is suspended for a set time length; the set angle is smaller than the angle corresponding to the drying arc length of the rolling brush when the drying unit 7 directly blows the rolling brush.
As shown in fig. 6, when the rolling brush 16 stops rotating, the drying area of the rolling brush by the drying unit 7 is a part of the rolling brush 16, which is a part that is not blocked, and if the set angle is greater than or equal to the angle corresponding to the drying arc length of the rolling brush 16 when the drying unit 7 directly blows the rolling brush 16, there is no blow or penetration phenomenon, so the set angle is smaller than the angle corresponding to the drying arc length of the rolling brush 16 when the drying unit 7 directly blows the rolling brush 16.
For example: as shown in fig. 7, it is assumed that the drying unit 7 directly blows the roller brush at an angle of 180 ° corresponding to the drying arc length of the roller brush, fig. 7 shows an initial blowing state, and fig. 8 shows a state after the roller brush rotates 180 °. In fig. 7, the right half is not hatched to indicate the dry state, and the left half is hatched to indicate the wet state. After the roller brush rotates 180 degrees, water seeps into the dried bristle part due to the gravity and the mobility of the water, as shown in fig. 8, the shadow of the right part indicates the non-drying state, the non-hidden state of the left part indicates the drying state, and the S part in fig. 8 is a penetration wetting part. However, since the effective blowing area is 180 °, a part of the wet area may not be blown, and the part S in fig. 8 indicates the part that cannot be blown. If the humidity detection unit 11 is in a dry state, the detection result is dry, but some of the humidity detection unit is not dry, and the detection is not accurate, so that the intermittent rotation is not performed by setting the angle to 180 °. When the rotation angle is less than 180 degrees each time, because the drying angle of the corresponding rolling brush of the drying unit 7 is 180 degrees, the phenomenon of cross drying can be generated during each drying, and the drying effect can be ensured.
In one circle, the set angle of each rotation is the same, the set time length of the pause rotation is the same, the set angle can be 60 degrees, 90 degrees or 120 degrees, and when the set angle is 60 degrees, the rolling brush rotates for 6 times to form one circle; when the set angle is 90 degrees, the rolling brush rotates for 4 times to form a circle; when the set angle is 120 °, the rolling brush rotates 3 times to form one circle, and after the rotation of the set angle, the rotation is suspended for 5 minutes (the set time of the suspension can be set as required), so that the drying unit 7 performs drying on the fixed part, and the rotation angles in one circle may be the same or different, which is not limited by the present invention.
The control of the rotating speed in the rotating process of the rolling brush is realized through BRU-PWM signals sent by the single chip microcomputer 3, the signals are pulse signals, the single chip microcomputer 3 sends the pulse signals to control the conduction and the disconnection of the triode Q23, further control the conduction and the disconnection of the triode Q21 and the triode Q22, finally realize the control of the conduction/the disconnection of the switch tube Q20, and further realize the regulation of the rotating speed of the rolling brush motor.
In step S103, the humidity detecting unit 11 detects the drying condition every time the roller brush rotates one turn, and stops the drying and rotation operations when the drying condition is detected.
In this embodiment, the detection result of the humidity detection unit 11 is taken as the condition satisfying the drying end, and as another embodiment, the number of rotations of the rolling brush may be directly set, for example: and stopping drying for 10 turns.
And step S104, after drying is stopped, controlling the sterilization unit to start, and sterilizing the rolling brush.
In the sterilization process, the rolling brush may be controlled to rotate for comprehensive sterilization, and certainly, the rolling brush may be allowed to be stationary for energy saving, which is not limited in the present invention.
In the drying process, the rolling brush is rotated at intervals within each rotation, so that the drying unit 7 can comprehensively dry the rolling brush, the drying effect is ensured, odor caused by bacterial breeding is avoided, and the user experience is improved.
Referring to fig. 9, which is a schematic flowchart of a method according to a second embodiment of the present invention, as shown in fig. 9, the method may include the following steps:
step S201, after the host 10 is in place, the self-cleaning button is pressed, and the rolling brush carries out self-cleaning.
And S202, after the rolling brush is automatically cleaned, drying the rolling brush, wherein in the drying process of the rolling brush, the rolling brush is controlled to rotate at intervals within each rotation, and the sterilization unit is controlled to start to sterilize the rolling brush.
In step S203, the humidity detecting unit 11 detects the drying condition every time the roller brush rotates one turn, and stops the drying and rotation operations of the roller brush when the drying condition is detected.
The stop condition of the sterilization unit may be to stop sterilization after drying is finished, or may be to set a sterilization time period, which is not limited in the present invention.
The detailed processes in steps S201 to S202 and S203 refer to the descriptions in steps S101 to S104, which are not repeated herein.
In the above embodiment, for better inhibition of bacterial growth, the roller brush is sterilized by the sterilization unit, as another embodiment, if the drying process is heating and drying, the roller brush is also sterilized to a certain extent at a higher temperature, and therefore the sterilization unit may not be provided.
The above examples are only intended to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention.
Claims (10)
1. A method of controlling a scrubber roller brush, the method comprising:
after the roller brush finishes self-cleaning, drying the roller brush;
in the round brush stoving process, the control round brush rotates, and the round brush rotates and includes:
the rolling brush rotates in a mode of interval rotation within each rotation circle, and the interval rotation is set for each rotation angle of the rolling brush and the time length of pause rotation; the set angle is smaller than the angle corresponding to the drying arc length of the rolling brush when the drying unit directly blows the rolling brush;
and when the drying end condition is met, stopping the drying and the rotation of the rolling brush.
2. The method of claim 1, wherein the set angle for each rotation of the scrubber is the same for each rotation of the scrubber.
3. The method as claimed in claim 1, wherein the detection of the drying status of the roller brush is performed every time the roller brush rotates one turn, and the drying status of the roller brush is a dry status satisfying a drying end condition.
4. The method of claim 1, wherein the scrubber brush self-cleaning process comprises: the water pump is controlled to work, and the rolling brush is controlled to rotate; after the water pump stops working, controlling the suction piece to work, wherein the rotating speed of the rolling brush is greater than that of the water pump when the suction piece works; the water pump volume of the water pump is less than the capacity of the cleaning tank.
5. The roller brush control method of the floor washing machine as claimed in claim 1, wherein in the roller brush drying process, a step of sterilizing the roller brush is further included; or the step of sterilizing the rolling brush is also included after the drying is stopped, and the rolling brush is controlled to rotate in the sterilizing process of the rolling brush.
6. A floor washing machine roller brush control device is characterized by comprising a drying unit, a roller brush motor and a control unit, wherein the output end of the control unit is in control connection with the roller brush motor and the drying unit; the drying unit is used for drying the roller brush; the control unit is used for controlling the rotation of the roller brush motor after the self-cleaning of the roller brush is completed, and controlling the drying unit to perform the drying operation on the roller brush so as to realize the roller brush control method of the floor washing machine as claimed in any one of claims 1-2.
7. The rolling brush control device of the floor washing machine as claimed in claim 6, wherein the control unit comprises a controller, a power supply line and a rolling brush rotation control branch,
a first switch tube is arranged on the power supply circuit, the input end of the first switch tube is connected with a power supply, and the output end of the first switch tube is connected with a rolling brush motor;
the rolling brush rotation control branch comprises a second switching tube, a third switching tube and a fourth switching tube, the control end of the second switching tube is connected with the controller, the input end of the second switching tube is connected with the power supply, and the output end of the second switching tube is grounded; the control ends of the third switching tube and the fourth switching tube are connected with a power supply, the input end of the fourth switching tube is connected with the input end of the first switching tube, the output end of the fourth switching tube is connected with the input end of the third switching tube, the output end of the third switching tube is grounded, and the connection point of the output end of the fourth switching tube and the input end of the third switching tube is connected with the control end of the first switching tube.
8. The control apparatus of claim 6, further comprising a humidity detection unit connected to the control unit for implementing the method of claim 3.
9. The control device of claim 6, further comprising a water pump and a suction member, both connected to the control unit, for implementing the method of claim 4.
10. The rolling brush control device of the floor washing machine as claimed in claim 6, further comprising a sterilization unit, wherein the control unit is connected with the sterilization unit for implementing the rolling brush control method of the floor washing machine as claimed in claim 5.
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| CN202210419895.7A CN114766994A (en) | 2022-04-21 | 2022-04-21 | Method and device for controlling roller brush of floor washing machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210419895.7A CN114766994A (en) | 2022-04-21 | 2022-04-21 | Method and device for controlling roller brush of floor washing machine |
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| CN202210419895.7A Pending CN114766994A (en) | 2022-04-21 | 2022-04-21 | Method and device for controlling roller brush of floor washing machine |
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