CN2538268Y

CN2538268Y - Intelligent suction cleaner

Info

Publication number: CN2538268Y
Application number: CN 02212825
Authority: CN
Inventors: 杜光林; 李天箭; 蔡文东; 缑春丽; 张鲁楠
Original assignee: Haier Group Corp; Qingdao Refrigeration Technology Institute
Current assignee: Haier Group Corp; Qingdao Refrigeration Technology Institute
Priority date: 2002-02-05
Filing date: 2002-02-05
Publication date: 2003-03-05
Anticipated expiration: 2012-02-05

Abstract

The utility model discloses an intelligent dust collector, which comprises a dust collector shell, a bracket, a dust collecting part, and a power supply, and is characterized in that: the dust collector also comprises a self moving device which facilitates the duct collector independently moving, a sensor for inspecting drawbacks and a corresponding controlling part; the dust collecting part wherein comprises an electric floor brush, a dust collecting pipeline, a dust chamber, a dust collecting motor, and an air outlet filtering piece positioned between the dust chamber and the dust collecting motor; the self moving device comprises a self moving wheel and a right moving wheel, a left driving motor and a right driving motor, a left reducer and a right reducer, and a universal wheel; the sensor comprises a plurality of ultrasonic sensors and a plurality of infrared sensors; the controlling part comprises a main control chip, a driving controlling module, and a dust collecting controlling module. The utility model has convenient operation and can move independently, the limiting problems such as winding wires and limited lengths when the dust collector is in operation and users have to stoop down and waste efforts when operating the dust collector are solved; the utility model is especially suitable for the demands of users such as older people, children, etc.

Description

Intelligent dust collector

The utility model relates to a dust catcher, in particular to intelligent dust catcher.

The current vacuum cleaners on the market have the following defects:

1. the electric wire with a certain length is arranged, so that people have to operate the dust collector in a space range limited by the electric wire and the power socket, the working range of the dust collector can only be a semicircle with the radius of 5m, a user needs to plug and pull the electric wire for many times to find a proper power socket when cleaning a room once, and an operator needs to walk 10m of the length of the electric wire with the length of 5m every time the electric wire with the radius of 5m is plugged and pulled, which is very inconvenient;

2. when the room has more obstacles, the dust collector with the line is particularly inconvenient to use;

3. the old people are inconvenient to bend down when the floor is swept manually;

4. the existing dust collector is not suitable for children. The dust collector is high in voltage and unsafe for children to use;

5. the existing dust collector products are operated by special persons, and waste time and labor.

In view of the above problems, the present invention is directed to an intelligent vacuum cleaner with convenient use.

The utility model comprises a dust collector shell, a bracket, a dust collection part and a power supply, and is characterized in that the utility model also comprises a self-walking device which enables the dust collector to walk independently, a sensor for detecting obstacles and a corresponding control part; wherein,

the dust collection part comprises an electric floor brush, a dust collection pipeline, a dust cavity, a dust collection motor and an air outlet filter sheet between the dust cavity and the dust collection motor;

the self-walking device comprises a left walking wheel, a right walking wheel, a left driving motor, a right driving motor, a left speed reducer, a right speed reducer and a universal wheel;

the sensors comprise a plurality of ultrasonic sensors and a plurality of infrared sensors;

the control part comprises a main control chip, a driving control module and a dust collection control module;

the power supply comprises a left-right walking battery, a dust collection battery and a corresponding power supply management module.

The utility model discloses convenient to use can independently walk, has removed the user and has used the winding of dust catcher electric wire, the limited restriction of length to and the inconvenience of the hard operation of user's needs stoop during the dust absorption, be particularly suitable for user's demands such as old man, children.

Fig. 1 is a schematic view of the external structure of the present invention.

Fig. 2 is a rear view of the present invention.

Fig. 3 is a schematic diagram of the internal structure of the present invention.

Fig. 4 is a block diagram of the control principle of the present invention.

Fig. 5 is a schematic diagram of the circuit connection of the present invention.

As shown in fig. 1 and 2, the utility model comprises a dust collector shell 11, a bracket 12, a dust chamber cover 14, a left (right) traveling wheel 13, a plurality of ultrasonic sensors and a plurality of infrared sensors which are arranged on the bracket 12. Wherein, each sensor comprises one transmitting sensor and one receiving sensor respectively. The ultrasonic transmitting and receiving sensor 15 is arranged in front of the dust collector and used for detecting front obstacles to realize the automatic obstacle avoidance function. The infrared transmitting and receiving sensor 16 is arranged on the left, right side and back, and when an object is in front of the sensor, the output is TTL high level; used for detecting objects on the side and the back of the dust collector.

As shown in fig. 3, the dust collection part of the present invention comprises an electric floor brush 21, a dust collection pipeline 22, a dust chamber 23, a dust collection motor 25, and an air outlet filter 24 between the dust chamber and the dust collection motor; the electric floor brush 21 is installed at the forefront of the dust collector, and adopts an automatic lifting design, so that the electric floor brush can easily cross over barriers such as doorsills and the like. The dust suction pipeline 22 is internally arranged and designed into a right-angle elbow, so that dust can be effectively prevented from falling out. The self-walking device comprises a left (right) walking wheel 13 arranged at the back of the dust collector, a corresponding (left) right driving motor 27, a left speed reducer and a right speed reducer (not shown in the figure) and a universal wheel 28 arranged at the front of the dust collector; the left and right driving motors adopt double permanent magnet direct current torque motors, are controlled by the control part in a unified way, and can realize the function of rotating in place by 360 degrees. The power supply part 26 of the utility model adopts two nickel-hydrogen batteries (a dust absorption battery and a walking battery) to respectively supply power to the dust collector motor, the driving motor and the control part.

As shown in fig. 4, the control part of the present invention includes a main control chip 31, a driving control module 32 and a dust collection control module 34; the main control chip 31 receives the signals from the sensor 30, and determines the corresponding signals to the dust collection control module 34 and the driving control module 32 through calculation according to the received signals, and the dust collection motor 25 and the (left) and right driving motors 27 are controlled to generate corresponding actions by the signals according to the instructions given by the main control chip 31. Specifically, in the automatic walking state, the product sensor 30 detects external obstacles through the infrared sensor and the ultrasonic sensor at the same time, the detected feedback signal is sent to the main control chip 31, the main control chip 31 is a small-sized single chip microcomputer and is used for analyzing and calculating the signal, the obtained external obstacle condition is converted into a digital signal and is combined with a planning algorithm of the main control chip, the next advancing direction of the machine is obtained after the operation, the advancing direction is used as an output signal to be sent to the driving control chip, and the driving control chip converts the signal into an analog signal to output to drive the walking motor.

In order to realize supplying power for the control part, the utility model discloses still include a power management module, the walking battery passes through 2 DC/DC converters, converts DC24V power into +12V and-12V, provides the power for control circuit, +5V supplies power for main control chip.

As shown in fig. 5, it is a schematic diagram of the circuit connection of the present invention. Wherein, U1 is the main control chip, and it is the control core of complete machine, has adopted the singlechip of model 89C55 PLCC. Signals received by the infrared and ultrasonic sensors are sent to a chip U5 through an interface J4(J4 has 9 feet in total, the front 8 bits are sensor signal input, the 9 th foot is a ground end), the signals are sent to a main control chip U1 through 36-43 feet after being processed, the next forward direction of the machine is obtained after operation through the U1 and a self planning algorithm, the forward direction is taken as an output signal and sent to a driving control chip U2 through 7-14 feet, the signals are converted into analog signals through U2, U3 and U4, the analog signals are output through interfaces J2 and J3 to respectively drive a left-right walking motor, and therefore the front-rear, left-right and high-low speed movement of the dust collector is controlled.

The control of the dust collection motor is completed through U1, U6 and U7 chips, and comprises the generation of driving waveforms of the dust collection motor and the strong suction and weak suction control, and finally the dust collection motor is connected through J5; the electric floor brush is controlled by chips U1, U7D and a relay RL1, a control signal generated by a main control chip U1 is input into the U7D through a port P1.7, and the start and stop of the electric floor brush are controlled by RL1-1 and COM1 of RL 1.

The power management module mainly comprises a relay (RL2) and a chip MAX724, the voltage (30V) of the dust collection battery is introduced through an interface J0, and the voltage is converted into a +12V power supply after being converted by RL2 and the chip MAX724 to supply power to the main control chip and the control circuit. The diodes D5, D6 and D7 and the external light emitting diodes LE1, LE2 and LE3 in the figure complete the function of displaying the electric quantity of the dust collection battery.

Claims

1. An intelligent dust collector comprises a dust collector shell, a bracket, a dust collection part and a power supply, and is characterized by also comprising a self-walking device for enabling the dust collector to walk automatically, a sensor for detecting obstacles and a corresponding control part.

2. The intelligent dust collector as claimed in claim 1, wherein the dust collection part comprises an electric floor brush, a dust collection pipeline, a dust chamber, a dust collection motor and an air outlet filter sheet between the dust chamber and the dust collection motor.

3. The intelligent dust collector of claim 1, wherein the self-walking device comprises a left walking wheel, a right walking wheel, a left driving motor, a right driving motor, a left speed reducer, a right speed reducer and a universal wheel;

4. the intelligent cleaner according to claim 1, wherein the sensor comprises a plurality of ultrasonic sensors and a plurality of infrared sensors;

5. the intelligent dust collector of claim 1, wherein the control part comprises a main control chip, a driving control module and a dust collection control module;

6. the intelligent cleaner according to claim 1, wherein the power supply comprises a left-right walking battery, a cleaning battery and a corresponding power management system.