Disclosure of Invention
The invention provides a binary-method-based automatic cleaning method of a sweeper and an intelligent sweeper, which are suitable for various grounds by being provided with a plurality of cleaning brush heads, have better cleaning effect, and realize automatic cleaning by determining the cleanliness of the grounds through a binary map.
According to one aspect of the invention, a floor sweeper automatic cleaning method based on a binary method is provided. The method may include: setting a first period and acquiring ground data;
setting a cleanliness threshold, and binarizing the ground data according to the cleanliness threshold to obtain a binarized map;
setting a density threshold value, and when the density of black spots in the binary map is greater than the density threshold value, repeatedly cleaning the corresponding area by the sweeper;
and acquiring the repeated cleaning times of each region in the first period, and acquiring an automatic cleaning strategy.
Preferably, the number of times of repeated cleaning of each region in the first period is acquired, and acquiring the automatic cleaning strategy comprises:
setting a repeated cleaning threshold value, acquiring the repeated cleaning times of each region in the first period, and calculating a cleaning coefficient;
and acquiring an automatic cleaning strategy according to the cleaning coefficient.
Preferably, the cleaning factor is:
wherein F is a cleaning coefficient, n is the number of times each region is repeatedly cleaned in the first period, and n is0Is the repeat cleaning threshold.
Preferably, in the area with the cleaning coefficient of 1, the sweeper is repeatedly cleaned.
Preferably, in the area with the cleaning coefficient of 2, the sweeper sprays cleaning agent to the ground for cleaning.
According to another aspect of the present invention, an intelligent sweeper is provided, comprising:
the robot comprises a robot body, wherein the bottom of the robot body is provided with a driving wheel and a driving device connected with the driving wheel;
the robot comprises a robot body, a conversion part and a control part, wherein the conversion part comprises a disc, a plurality of lifting plates and a plurality of telescopic rods, the disc is arranged at the bottom of the robot body, a plurality of through holes are formed in the disc, one end of each telescopic rod is connected to the robot body, and the other end of each telescopic rod is connected to the lifting plate arranged at the top of the disc;
the cleaning part comprises a connecting rod, a cleaning brush head and a driving motor, the driving motor is arranged on the lifting plate, one end of the connecting rod is connected to the cleaning brush head, and the other end of the connecting rod penetrates through the through hole and is connected to the driving motor;
the cleaning agent supply unit comprises a cleaning agent storage tank, a control valve and a liquid guide pipe, the cleaning agent storage tank is arranged on the lifting plate, one end of the liquid guide pipe is communicated with the cleaning agent storage tank through the control valve, the other end of the liquid guide pipe penetrates through the connecting rod to be communicated with the cleaning brush head, and the control valve is communicated with the control unit;
the control unit is in communication connection with the driving device, the telescopic rod and the driving motor;
and the automatic cleaning control unit automatically cleans the ground according to an automatic cleaning strategy.
Preferably, the number of the cleaning brush heads is multiple, the cleaning brush heads are the same or different, the cleaning brush heads are connected to the lifting plates through connecting rods, the cleaning brush heads connected to the same lifting plate are the same, and the cleaning brush heads connected to different lifting plates are the same or different.
Preferably, the cleaning robot further comprises a cleanliness detection unit, wherein the cleanliness detection unit comprises a water storage tank, a connecting conduit, a liquid level instrument, a driving motor rotating speed detection sensor and a timer, the liquid level instrument and the timer are in communication connection with the control unit, the liquid level instrument is arranged in the water storage tank, the water storage tank is arranged in the robot body and penetrates through the connecting conduit to be communicated to the cleaning brush head, and the driving motor rotating speed detection sensor is used for measuring the rotating speed of the driving motor.
Preferably, the cleaning brush further comprises a ground type analysis unit, the ground type analysis unit comprises a depth sensor and a color sensor, the depth sensor and the color sensor are arranged at the joint of the cleaning brush head and the connecting rod, and the depth sensor and the color sensor are in communication connection with the control unit.
Preferably, still include clean brush head storage area, the periphery in clean brush head storage area is provided with the location label, location label communication connection in the control unit, reserve brush head has been put in the clean brush head storage area.
The invention has the beneficial effects that:
1) through the arrangement of the cleaning agent supply unit, the cleaning agent is sprayed to the cleaning brush head or the ground, and the cleaning effect is improved.
2) The utility model provides an intelligence machine of sweeping floor stores up the setting in storehouse through the brush head, stores a plurality of clean brush heads in advance, and when the clean brush head cleanliness factor of in use reduced or damaged, can change clean brush head on the spot, improves the clean speed of intelligence machine of sweeping floor.
The present invention has other features and advantages which will be apparent from or are set forth in detail in the accompanying drawings and the following detailed description, which are incorporated herein, and which together serve to explain certain principles of the invention.
Detailed Description
The invention will be described in more detail below with reference to the accompanying drawings. While the preferred embodiments of the present invention are shown in the drawings, it should be understood that the present invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
Figure 1 shows a flow chart of the steps of a binary based sweeper robot cleaning method according to the present invention.
The automatic cleaning method of the sweeper based on the binary method can comprise the following steps:
step 101, setting a first period and acquiring ground data;
step 102, setting a cleanliness threshold, and binarizing ground data according to the cleanliness threshold to obtain a binarized map;
103, setting a density threshold value, and when the density of black spots in the binary map is greater than the density threshold value, repeatedly cleaning the corresponding area by the sweeper;
and 104, acquiring the repeated cleaning times of each region in the first period, and acquiring an automatic cleaning strategy.
In one example, obtaining a number of times each region is repeatedly cleaned during a first cycle, obtaining an automatic cleaning strategy includes: setting a repeated cleaning threshold value, acquiring the repeated cleaning times of each region in a first period, and calculating a cleaning coefficient; and acquiring an automatic cleaning strategy according to the cleaning coefficient.
In one example, the cleaning factor is:
wherein F is a cleaning coefficient, n is the number of times each region is repeatedly cleaned in the first period, and n is0Is the repeat cleaning threshold.
In one example, the sweeper repeats the cleaning in an area where the cleaning factor is 1.
In one example, in an area with a cleaning factor of 2, the sweeper sprays cleaning agent to the ground for cleaning.
Specifically, the automatic cleaning method of the sweeper based on the binary method can comprise the following steps: setting a first period and acquiring ground data; setting a cleanliness threshold, and binarizing the ground data according to the cleanliness threshold to obtain a binarized map; setting a density threshold value, and when the density of black spots in the binary map is greater than the density threshold value, repeatedly cleaning the corresponding area by the sweeper; setting a repeated cleaning threshold value, acquiring the repeated cleaning times of each region in a first period, and calculating a cleaning coefficient to be a formula (1); in the area with the cleaning coefficient of 1, the sweeper is repeatedly cleaned, and in the area with the cleaning coefficient of 2, the sweeper sprays cleaning agent to the ground for cleaning.
According to an aspect of the present invention, there is provided an intelligent sweeper, comprising:
the robot comprises a robot body, wherein the bottom of the robot body is provided with a driving wheel and a driving device connected with the driving wheel;
the robot comprises a robot body, a conversion part and a control part, wherein the conversion part comprises a disc, a plurality of lifting plates and a plurality of telescopic rods, the disc is arranged at the bottom of the robot body, a plurality of through holes are formed in the disc, one end of each telescopic rod is connected to the robot body, and the other end of each telescopic rod is connected to the lifting plate arranged at the top of the disc;
the cleaning part comprises a connecting rod, a cleaning brush head and a driving motor, the driving motor is arranged on the lifting plate, one end of the connecting rod is connected to the cleaning brush head, and the other end of the connecting rod penetrates through the through hole and is connected to the driving motor;
the cleaning agent supply unit comprises a cleaning agent storage tank, a control valve and a liquid guide pipe, the cleaning agent storage tank is arranged on the lifting plate, one end of the liquid guide pipe is communicated with the cleaning agent storage tank through the control valve, the other end of the liquid guide pipe penetrates through the connecting rod to be communicated with the cleaning brush head, and the control valve is communicated with the control unit;
the control unit is in communication connection with the driving device, the telescopic rod and the driving motor;
and the automatic cleaning control unit automatically cleans the ground according to an automatic cleaning strategy.
Specifically, clean portion is provided with a plurality of clean brush heads, a plurality of clean brush heads are connected respectively in the lifter plate, the lifter plate can be through the extension and the shrink of telescopic link, it promotes or descends to drive clean brush head, when the machine of sweeping the floor of intelligence uses, according to the difference of ground kind, the promotion and the descending of the lifter plate of control unit control, the clean brush head that selects suitable current application scene cleans ground, clean effect is better, clean efficiency has been promoted, select suitable clean brush head can prevent that clean brush head from causing wearing and tearing destruction to ground.
Specifically, the automatic cleaning control unit automatically cleans the floor according to an automatic cleaning strategy, wherein acquiring the automatic cleaning strategy includes: setting a first period and acquiring ground data; setting a cleanliness threshold, and binarizing the ground data according to the cleanliness threshold to obtain a binarized map; setting a density threshold value, and when the density of black spots in the binary map is greater than the density threshold value, repeatedly cleaning the corresponding area by the sweeper; setting a repeated cleaning threshold value, acquiring the repeated cleaning times of each region in a first period, and calculating a cleaning coefficient to be a formula (1); and acquiring an automatic cleaning strategy according to the cleaning coefficient. The automated cleaning strategy includes: in the area with the cleaning coefficient of 1, the sweeper is repeatedly cleaned, and in the area with the cleaning coefficient of 2, the sweeper sprays cleaning agent to the ground for cleaning.
Specifically, the cleaning brush head can be a soft brush head, a nylon brush head, a hard brush head and a needle seat brush head according to different types of the cleaning ground, the ground can be a marble ground, a carpet ground, a floor tile ground and a floor ground, and the selection of different brush heads according to different types of the ground is the prior art in the field and is not repeated herein.
Specifically, the control unit controls the opening of the control valve and the opening amplitude thereof, thereby controlling the supply of the detergent and the supply amount thereof.
Preferably, the number of the cleaning brush heads is multiple, the cleaning brush heads are the same or different, the cleaning brush heads are connected to the lifting plates through connecting rods, the cleaning brush heads connected to the same lifting plate are the same, and the cleaning brush heads connected to different lifting plates are the same or different.
More preferably, the cleaning brush heads connected with the same lifting plate are the same, and the cleaning brush heads connected with different lifting plates are different, so that the intelligent sweeper can be suitable for cleaning various floors, different cleaning brush heads are used for different floors, the cleaning brush heads are prevented from being worn on the floors, and the cleaning effect is better.
Preferably, the cleaning robot further comprises a cleanliness detection unit, wherein the cleanliness detection unit comprises a water storage tank, a connecting pipe, a liquid level instrument, a driving motor rotating speed detection sensor and a timer, the liquid level instrument and the timer are in communication connection with the control unit, the liquid level instrument is arranged in the water storage tank, the water storage tank is arranged in the robot body and penetrates through the connecting pipe to be communicated to the cleaning brush head, and the driving motor rotating speed detection sensor is used for measuring the rotating speed of the driving motor.
Specifically, through the arrangement of a liquid level meter and a timer, the control unit detects the descending speed of liquid in the water storage tank in unit time; detecting the idle rotation speed of the driving motor through a driving motor rotation speed detection sensor, and then controlling the cleaning brush head to be in contact with the ground through the telescopic rod to detect the load rotation speed of the driving motor; when the descending speed of the liquid in unit time becomes low and the load rotating speed of the driving motor is reduced, the cleanliness of the cleaning brush head is judged to be low, and the cleaning brush head needs to be replaced.
Preferably, the cleaning brush further comprises a ground type analysis unit, the ground type analysis unit comprises a depth sensor and a color sensor, the depth sensor and the color sensor are arranged at the joint of the cleaning brush head and the connecting rod, and the depth sensor and the color sensor are in communication connection with the control unit.
Specifically, the control unit controls the lifting plate to descend according to different ground types, so that the cleaning brush head suitable for the current ground is cleaned, the control unit can know the type of the ground needing to be cleaned currently through the arrangement of the ground type analysis unit, and whether the height difference exists on the cleaned ground or not is detected through the arrangement of the depth sensor; detecting the change rate of the ground color along with the walking of the robot body and whether a color change period exists or not through the arrangement of the color sensor; when the ground has height difference, high color change rate and no color change period, the processing unit judges that the current ground is the marble ground; when the ground has a height difference, a color change rate of the color is low, a color change period exists, and the color change period is short, judging that the current ground is the floor; when the ground has height difference, low color change rate, long color change period and the current ground is determined to be the floor of the floor tile; when there is no height difference in the floor, it is determined that the current floor is a carpeted floor.
As preferred scheme, still include clean brush head storage area, the periphery in clean brush head storage area is provided with the location label, location label communication connection in the control unit, reserve brush head has been put to clean brush head storage area.
Specifically, the control unit acquires the position information of the positioning tag, and after the cleaning brush head arranged in the brush head storage bin is completely used, the control unit controls the robot body to move to the cleaning brush head storage area, the cleaning brush head is reassembled, and the robot body can replace the cleaning brush head in the cleaning brush head storage area.
More preferably, the cleaning brush head storage device further comprises a brush head storage bin which is arranged on the side wall of the robot body and used for storing the cleaning brush head.
Specifically, through the setting in brush head storage storehouse, intelligence machine of sweeping floor self is equipped with a plurality of clean brush heads, when the damaged or cleanliness factor of clean brush head reduces in the machine use of sweeping floor of intelligence, can change clean brush head on the spot, improves clean efficiency.
More preferably, the cleaning brush further comprises a mechanical gripper, a positioning label is arranged in the cleaning brush head, and the mechanical gripper is arranged on the side wall of the robot body and can grip the cleaning brush head in the brush head storage bin.
Specifically, under the circumstances that clean brush head cleanliness factor reduces or damages, the control unit control machinery tongs snatchs the clean brush head in the brush head storage bin, place it subaerial, driving motor drives the reverse selection of connecting rod and uninstalls the clean brush head that needs to be changed, drive connecting rod forward rotation afterwards, be connected to the cleanliness factor height, the clean brush head of normal use, accomplish the change of clean brush head, the last control unit control machinery tongs snatchs the clean brush head who changes down, deposit it to brush head storage bin.
More preferably, still include laser range finder, laser range finder sets up on the lateral wall of robot body, communication connection in the control unit.
Specifically, through the setting of laser range finder, the distance of measuring robot body and its surrounding barrier prevents that robot body from colliding with wall or pedestrian.
More preferably, the number of the driving wheels is two, the two driving wheels are arranged on two sides of the bottom of the robot body, and the converting part is arranged between the two driving wheels.
The multifunctional floor cleaning brush is suitable for various floors by being provided with the plurality of cleaning brush heads, the cleaning effect is better, the floor cleanliness is determined through the binary map, and automatic cleaning is realized.
Examples
To facilitate understanding of the solution of the embodiments of the present invention and the effects thereof, a specific application example is given below. It will be understood by those skilled in the art that this example is merely for the purpose of facilitating an understanding of the present invention and that any specific details thereof are not intended to limit the invention in any way.
The automatic cleaning method of the sweeper based on the binary method comprises the following steps: setting a first period and acquiring ground data; setting a cleanliness threshold, and binarizing the ground data according to the cleanliness threshold to obtain a binarized map; setting a density threshold value, and when the density of black spots in the binary map is greater than the density threshold value, repeatedly cleaning the corresponding area by the sweeper; setting a repeated cleaning threshold value, acquiring the repeated cleaning times of each region in a first period, and calculating a cleaning coefficient to be a formula (1); in the area with the cleaning coefficient of 1, the sweeper is repeatedly cleaned, and in the area with the cleaning coefficient of 2, the sweeper sprays cleaning agent to the ground for cleaning.
Figure 2 shows a schematic block diagram of an intelligent sweeper, according to one embodiment of the present invention.
Fig. 3 shows a top view of a transition section according to an embodiment of the invention.
As shown in fig. 2 to 3, the intelligent sweeper comprises:
the robot comprises a robot body 1, wherein the bottom of the robot body 1 is provided with a driving wheel 2 and a driving device connected with the driving wheel;
the robot comprises a robot body 1, a conversion part and a control part, wherein the conversion part comprises a disc 3, a plurality of lifting plates 4 and a plurality of telescopic rods 5, the disc 3 is arranged at the bottom of the robot body 1, a plurality of through holes 6 are formed in the disc 3, one end of each telescopic rod 5 is connected to the robot body 1, and the other end of each telescopic rod 5 is connected to the lifting plate 4 arranged at the top of the disc 3;
the cleaning part 7 comprises a connecting rod 8, a cleaning brush head 9 and a driving motor, the driving motor is arranged on the lifting plate 5, one end of the connecting rod 8 is connected to the cleaning brush head 9, and the other end of the connecting rod passes through the through hole 6 and is connected to the driving motor;
and the control unit is in communication connection with the driving device, the telescopic rod 5 and the driving motor.
Wherein, the cleaning brush head 9 is a plurality of, and a plurality of the cleaning brush head 9 is the same or different, the cleaning brush head 9 through connecting rod 8 connect in lifter plate 4, the cleaning brush head 9 that connects in same lifter plate 4 is the same, and the cleaning brush head 9 that is connected with different lifter plates 4 is the same or different.
Wherein, still include clean brush head storage area (not shown), the periphery in clean brush head storage area is provided with the location label, location label communication connection in the control unit, reserve brush head has been put to clean brush head storage area.
Wherein the automatic cleaning control unit automatically cleans the floor according to an automatic cleaning strategy, wherein acquiring the automatic cleaning strategy comprises: setting a first period and acquiring ground data; setting a cleanliness threshold, and binarizing the ground data according to the cleanliness threshold to obtain a binarized map; setting a density threshold value, and when the density of black spots in the binary map is greater than the density threshold value, repeatedly cleaning the corresponding area by the sweeper; setting a repeated cleaning threshold value, acquiring the repeated cleaning times of each region in a first period, and calculating a cleaning coefficient to be a formula (1); and acquiring an automatic cleaning strategy according to the cleaning coefficient. The automated cleaning strategy includes: in the area with the cleaning coefficient of 1, the sweeper is repeatedly cleaned, and in the area with the cleaning coefficient of 2, the sweeper sprays cleaning agent to the ground for cleaning.
The cleaning robot comprises a robot body 1 and is characterized by further comprising a cleanliness detection unit 12, wherein the cleanliness detection unit 12 comprises a water storage tank 13, a connecting pipe 14, a liquid level instrument 15, a driving motor rotating speed detection sensor and a timer, the liquid level instrument 15 and the timer are in communication connection with a control unit, the liquid level instrument 15 is arranged in the water storage tank 13, the water storage tank 13 is arranged in the robot body 1 and penetrates through the connecting pipe 14 to be communicated with a cleaning brush head 9 through a connecting rod 8, and the driving motor rotating speed detection sensor is used for measuring the rotating speed of the driving motor.
The cleaning brush further comprises a ground type analysis unit (not shown), wherein the ground type analysis unit comprises a depth sensor and a color sensor, the depth sensor and the color sensor are arranged at the joint of the cleaning brush head and the connecting rod, and the depth sensor and the color sensor are in communication connection with the control unit.
The cleaning agent supplying unit (not shown) comprises a cleaning agent storage tank, a control valve and a liquid guide pipe, the cleaning agent storage tank is arranged on the lifting plate 4, one end of the liquid guide pipe is communicated with the cleaning agent storage tank through the control valve, the other end of the liquid guide pipe penetrates through the connecting rod to be communicated with the cleaning brush head 9 through the connecting rod 8, and the control valve is communicated with the control unit.
The cleaning brush head storage device comprises a brush head storage bin 10, wherein the brush head storage bin 10 is arranged on the side wall of the robot body 1 and used for storing the cleaning brush head 9.
The cleaning brush comprises a robot body 1 and is characterized by further comprising a mechanical hand grip 11, wherein a positioning label is arranged in the cleaning brush head 9, the mechanical hand grip 11 is arranged on the side wall of the robot body 1 and can grip the cleaning brush head in the brush head storage bin 10.
Wherein, still include laser range finder 16, laser range finder 16 sets up on the lateral wall of robot body 1, communication connection in the control unit.
The number of the driving wheels 2 is two, the two driving wheels are arranged on two sides of the bottom of the robot body 1, and the conversion portion is arranged between the two driving wheels 2.
In conclusion, the multifunctional cleaning brush is suitable for various floors by being provided with the plurality of cleaning brush heads, the cleaning effect is better, the cleanliness of the floors is determined through the binary map, and automatic cleaning is realized.
It will be appreciated by persons skilled in the art that the above description of embodiments of the invention is intended only to illustrate the benefits of embodiments of the invention and is not intended to limit embodiments of the invention to any examples given.
Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.