CN210749028U

CN210749028U - Portable intelligent household dust collector

Info

Publication number: CN210749028U
Application number: CN201920787767.1U
Authority: CN
Inventors: 章雯; 吴冬燕; 曹章洲; 周海涛; 徐骆; 孙奥; 赵泽凡
Original assignee: Suzhou Vocational Institute of Industrial Technology
Current assignee: Suzhou Vocational Institute of Industrial Technology
Priority date: 2019-05-29
Filing date: 2019-05-29
Publication date: 2020-06-16
Anticipated expiration: 2029-05-29

Abstract

The utility model relates to a domestic dust catcher of portable intelligence, including singlechip minimum system, and with display circuit, peripheral detection circuitry, drive circuit, communication circuit, the dust absorption circuit of singlechip minimum system connection, peripheral detection circuitry include with infrared detector and the pyroelectric infrared detector of singlechip minimum system connection, drive circuit includes the driver chip who is connected with singlechip minimum system and by driver chip driven driving motor, communication circuit includes wireless communication. The utility model provides a portable intelligent domestic dust catcher has high performance's microprocessor and peripheral detection sensor, has promoted dust catcher portability and peripheral environment detection performance.

Description

Portable intelligent household dust collector

Technical Field

The utility model relates to a household electrical appliances field especially relates to the dust catcher field, concretely relates to domestic dust catcher of portable intelligence.

Background

The simplest of the prior art is a pull-line type dust collector or a wireless handheld dust collector, which is capable of collecting dust through manual operation, but is clumsy and not portable enough in structure, and the wireless handheld dust collector is too expensive and not economical and practical enough.

To the above problems, a floor sweeping robot is developed in the prior art, and the existing floor sweeping robot generally detects an external environment by colliding a barrier through a shell, and intelligently cleans by continuously memorizing and updating external environment parameters. Scanning peripheral conditions in this manner often presents problems, such as updated furniture arrangements, the inability of the cleaner to avoid when pets and users move about in the home, and particularly in homes with small children. Moreover, the existing sweeping robot has the defects of high manufacturing cost and flexibility in recording the peripheral environment.

Therefore, how to develop a higher-performance microprocessor and exert the maximum performance thereof so that the microprocessor chip can exert the maximum control efficiency in the intelligent vacuum cleaner system, thereby realizing intelligent service is a technical problem that needs to be solved urgently by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model overcomes prior art's is not enough, provides a portable intelligent domestic dust catcher, has high performance's microprocessor and peripheral detection sensor, has promoted dust catcher portability and peripheral environment detection performance.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a portable intelligent household dust collector comprises a single chip microcomputer minimum system, a display circuit, a peripheral detection circuit, a driving circuit, a communication circuit and a dust collection circuit, wherein the display circuit, the peripheral detection circuit, the driving circuit, the communication circuit and the dust collection circuit are connected with the single chip microcomputer minimum system, the peripheral detection circuit comprises an infrared detector and a pyroelectric infrared detector which are connected with the single chip microcomputer minimum system, the driving circuit comprises a driving chip connected with the single chip microcomputer minimum system and a driving motor driven by the driving chip, and the communication circuit comprises wireless communication.

In a preferred embodiment of the present invention, the driving motor includes a left wheel driving motor and a right wheel driving motor, and the driving motor is a dc motor.

The utility model discloses a preferred embodiment, the minimum system of singlechip includes STC89C51 singlechip, and give the STC89C51 singlechip provides clock pulse's crystal oscillator circuit, and give the STC89C51 singlechip provides reset signal's reset circuit.

In a preferred embodiment of the present invention, the dust collection circuit includes a fan. Specifically, a control switch connected with the single chip microcomputer is arranged in the dust collection circuit, and the control switch is electrically connected with the fan.

In a preferred embodiment of the present invention, the display circuit comprises an LCD1602 LCD.

In a preferred embodiment of the present invention, the wireless communication employs the HC-05 bluetooth module.

In a preferred embodiment of the present invention, the driving chip is L298N driving chip, and the driving motor is GA12-N20 dc motor or/and JGB38 dc motor.

In a preferred embodiment of the present invention, the peripheral detection circuit comprises at least one pair of infrared detectors and at least one pyroelectric infrared detector connected to the minimum system of the single chip microcomputer; the infrared detector comprises an LM393 infrared sensor; the pyroelectric infrared sensor is an HC-SR501 pyroelectric infrared sensor.

The utility model discloses a preferred embodiment, LCD1602 LCD input pin of STC89C51 singlechip, L298N driver chip's input, fan are connected to the output pin of STC89C51 singlechip, and after the output pin of STC89C51 singlechip passes through the input of connecting L298N driver chip, the output and the left-hand wheel motor and the right-hand wheel motor drive through L298N driver chip respectively are connected.

In a preferred embodiment of the present invention, the input pin of the STC89C51 single chip microcomputer is connected to the crystal oscillator circuit, the reset circuit, the output of the pair of LM393 infrared sensors, the HC-SR501 pyroelectric infrared sensor, and the HC-05 bluetooth module.

The utility model provides a defect that exists among the background art, the beneficial effect of the utility model:

the utility model provides a portable intelligent household dust collector, through peripheral sensor's setting, promoted intelligent dust collector system's ability to meet an emergency, peripheral sensor all has outstanding performance in the aspect of appearance volume, consumption performance and stability in use isoparametric.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic diagram of a crystal oscillator circuit in the circuit structure of the present invention;

fig. 2 is a schematic diagram of a reset circuit in the circuit configuration of the present invention;

fig. 3 is a schematic diagram of a driving circuit in the circuit structure of the present invention;

fig. 4 is a schematic diagram of a communication circuit in the circuit configuration of the present invention;

fig. 5 is a schematic diagram of an infrared detector in the circuit structure of the present invention;

FIG. 6 is a schematic diagram of a pyroelectric infrared detector in a circuit configuration of the present invention;

FIG. 7 is a schematic diagram of a dust absorption circuit in the circuit structure of the present invention;

fig. 8 is a schematic diagram of a display circuit in the circuit structure of the present invention;

fig. 9 is a schematic diagram of the overall circuit of the present invention;

fig. 10 is a schematic diagram of the circuit structure system structure of the present invention.

Detailed Description

The invention will now be described in further detail with reference to the accompanying drawings, which are simplified schematic drawings and illustrate, by way of illustration only, the basic structure of the invention, and which therefore show only the constituents relevant to the invention.

As shown in fig. 1 to 10, the present embodiment discloses a portable intelligent household vacuum cleaner, which includes a minimum system of a single chip, and a display circuit, a peripheral detection circuit, a driving circuit, a communication circuit, and a dust collection circuit connected to the minimum system of the single chip; the minimum system of the single chip microcomputer comprises an STC89C51 single chip microcomputer, a crystal oscillator circuit for providing clock pulses for the STC89C51 single chip microcomputer and a key reset circuit for providing reset signals for the STC89C51 single chip microcomputer; the peripheral detection circuit comprises an infrared detector and a pyroelectric infrared detector which are connected with the minimum system of the single chip microcomputer; the driving circuit comprises a driving chip connected with the minimum system of the single chip microcomputer and a driving motor driven by the driving chip; the driving motor comprises a left wheel driving motor and a right wheel driving motor, and the driving motor adopts a direct current motor; the communication circuit comprises wireless communication, and the wireless communication adopts an HC-05 Bluetooth module; the display circuit includes an LCD1602 liquid crystal display; the dust collection circuit is provided with a control switch connected with the single chip microcomputer, and the control switch is electrically connected with the fan.

As shown in fig. 9, in a preferred embodiment of the present invention, the peripheral detection circuit includes at least one pair of infrared detectors and at least one pyroelectric infrared detector connected to the minimum system of the single chip microcomputer; the infrared detector comprises an LM393 infrared sensor; the pyroelectric infrared detector adopts an HC-SR501 pyroelectric infrared sensor. The driving chip adopts an L298N driving chip, and the driving motor adopts a GA12-N20 direct current motor.

The utility model discloses a preferred circuit structure in preferred embodiment:

specifically, as shown in fig. 1, 2, and 9, in the minimum system of the single chip microcomputer, a reset circuit in a circuit of the minimum system adopts a capacitance blocking method, when the dust collector is powered on at one moment, instantaneous current can flow through a capacitor, and the voltage at two ends of a resistor is at a high level, so that the STC89C51 single chip microcomputer is reset at one moment when the dust collector is powered on, and then is restored to output a low level, and the dust collector can normally work. Two ends of an XTAL1 pin and an XTAL2 pin of the STC89C51 singlechip are connected with two ends of a crystal oscillator XTAL, and the two ends of the crystal oscillator XTAL are respectively connected with two small capacitors C1 and C1 and then connected with GND; RST pins of the STC89C51 single chip microcomputer are led out to form 3 paths, one path is connected with a power supply VCC through a key S1, one path of the other two paths is connected with the power supply VCC through a capacitor C3, and the other path is connected with GND through a resistor R1.

Specifically, as shown in fig. 3 and 9, a driving circuit; four GPIO pins P3.4-P3.7 of an STC89C51 singlechip are connected with an L298N driving chip and a direct current motor, the L298N driving chip supplies power by adopting +5V direct current voltage, a pin No. 9 of the L298N driving chip is used for supplying power, wherein the four GPIO pins P3.4-P3.7 of the STC89C51 singlechip can output four paths of independent PWM waves respectively, and the PWM waves are sent into a left wheel driving motor and a right wheel driving motor respectively after being amplified by an L298N driving chip. Two paths of pins of P3.4 and P3.5 of the STC89C51 singlechip are led out and sent to the left wheel driving motor through PWM waves amplified by the power of the L298N driving chip, and two paths of pins of P3.6 and P3.7 are led out and sent to the right wheel driving motor through PWM waves amplified by the power of the L298N driving chip. Four GPIO pins P3.4-P3.7 of the STC89C51 singlechip and a connecting wire of the L298N driving chip are all connected with one circuit and are respectively connected with a power supply VCC through resistors R15-R18.

Two groups of output pins of the L298N driving chip are respectively connected with a power supply VCC through forward diodes on connecting lines of the left wheel driving motor and the right wheel driving motor, and are respectively connected with GND through reverse diodes. A group of output pins of the L298N driving chip are connected with two ends of the left wheel driving motor, and a group of bidirectional light emitting diodes which are connected in series are connected among the group of output pins through a resistor R11; the other group of output pins of the L298N driving chip are connected with two ends of the left wheel driving motor, and the other group of output pins are connected in series with a group of connected bidirectional light emitting diodes through a resistor R13; the positive and negative rotation of the motor is displayed through the brightness of the light-emitting diode.

Specifically, as shown in fig. 4 and 9, 6 pins are led out of the HC-05 bluetooth module of the communication circuit, and of the 6 pins, the pin No. 2 and the pin No. 3 are communication pins of the device, the STC89C51 single chip microcomputer can drive the 6 pins of the HC-05 bluetooth module through common GPIO pins, so that mutual data receiving and sending between the STC89C51 single chip microcomputer and the HC-05 bluetooth module are realized, the GPIO pins P3.0 and P3.1 corresponding to the serial port of the STC89C51 single chip microcomputer are respectively connected with the TXD and RXD pins of bluetooth, and thus, data receiving and sending between the STC89C51 single chip microcomputer and the HC-05 bluetooth module can be realized, and the STC89C51 single chip microcomputer finally drives the HC-05 bluetooth module to realize the function of wirelessly receiving and sending bluetooth data.

Specifically, as shown in fig. 5 and 9, the infrared detector includes an infrared resistor, a comparator, an infrared collector, an indicator light and a conversion circuit, and the accuracy of the infrared resistor determines the performance of the infrared detection part of the whole system; the P3.2 and P3.3 pins of the STC89C51 singlechip are configured to be output signal acquisition pins of a pair of infrared detectors and used for detecting the output level of an LM393 infrared sensor of the infrared detectors so as to judge whether furniture exists in front.

Specifically, as shown in fig. 6 and 9, the pyroelectric infrared detector has a function of detecting a human body with high quality and high accuracy; a P1.6 pin of the STC89C51 singlechip is connected with an OUT pin at the output end of the HC-SR501 pyroelectric infrared sensor, a VCC end of the HC-SR501 pyroelectric infrared sensor is connected with a VCC (voltage supply), and is connected with 3 paths, one path is connected with a resistor R12 in series and then connected with the OUT pin at the output end, one path is connected with a capacitor C4 in series and then connected with a GND pin of the HC-SR501 pyroelectric infrared sensor together, and the other path is connected with a capacitor C5 in series and then connected with GND.

Specifically, as shown in fig. 7 and 9, the dust suction circuit; the dust absorption circuit is mainly used for sucking dust and sundries, is mainly completed by driving a fan by a direct current motor and is driven by a P2.0 pin of an STC89C51 singlechip. The P2.0 pin of the STC89C51 singlechip is connected with the input end of a control switch Q1, the output end of the control switch Q1 is connected with a direct current motor, and the control end of the control switch Q1 is connected with the ground end and then connected with GND.

Specifically, as shown in fig. 8 and 9, the display circuit displays some data in the working process, the schematic circuit diagram of the LCD1602 liquid crystal display is powered by a power supply VCC, the LCD1602 liquid crystal display is composed of two parts, namely a power supply circuit and a parallel STC89C51 single chip microcomputer pin driving circuit, 11 pins of the LCD1602 liquid crystal display from 4 to 14 are control pins thereof, and 11 GPIO pins are allocated by an STC89C51 single chip microcomputer and connected with the LCD1602 liquid crystal display; VCC pin and power VCC of LCD1602 LCD are connected, the VSS pin and the GND of LCD1602 LCD, and series resistance R2 and resistance R4 between VSS pin and the VCC pin, and the node between resistance R2 and resistance R4 is connected with the V0 pin of LCD1602 LCD, the eight pins of LCD1602 LCD are connected to P0.0~ P0.7 pin of STC89C51 singlechip, the E, RW and the RS control pin of LCD1602 LCD are connected respectively to P2.5~ P2.7 pin of STC89C51 singlechip.

In light of the foregoing, it is to be understood that various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides a domestic dust catcher of portable intelligence, includes the minimum system of singlechip, and with display circuit, peripheral detection circuitry, drive circuit, communication circuit, the dust absorption circuit that the minimum system of singlechip is connected, its characterized in that: the peripheral detection circuit comprises an infrared detector and a pyroelectric infrared detector which are connected with the single chip microcomputer minimum system, the driving circuit comprises a driving chip connected with the single chip microcomputer minimum system and a driving motor driven by the driving chip, and the communication circuit comprises wireless communication; the driving motor comprises a left wheel driving motor and a right wheel driving motor, and the driving motor adopts a direct current motor;

the single-chip microcomputer minimum system comprises an STC89C51 single-chip microcomputer, a crystal oscillator circuit for providing clock pulses for the STC89C51 single-chip microcomputer, and a reset circuit for providing reset signals for the STC89C51 single-chip microcomputer;

the peripheral detection circuit comprises at least one pair of infrared detectors and at least one pyroelectric infrared detector which are connected with the single chip microcomputer minimum system; the infrared detector comprises an LM393 infrared sensor; the pyroelectric infrared sensor is an HC-SR501 pyroelectric infrared sensor.

2. The portable intelligent home cleaner of claim 1, wherein: the dust collection circuit comprises a fan.

3. The portable intelligent home cleaner of claim 1, wherein: the display circuit includes an LCD1602 liquid crystal display.

4. The portable intelligent home cleaner of claim 1, wherein: the wireless communication adopts an HC-05 Bluetooth module.

5. The portable intelligent home cleaner of claim 1, wherein: the driving chip adopts an L298N driving chip, and the driving motor adopts a GA12-N20 direct current motor or/and a JGB38 direct current motor.

6. A portable intelligent household cleaner as claimed in any one of claims 1 to 5, wherein: the output end pin of the STC89C51 singlechip is connected with the input end pin of the LCD1602 liquid crystal display, the input end of the L298N driving chip and the fan, and the output end pin of the STC89C51 singlechip is in driving connection with the left wheel motor and the right wheel motor through the output end of the L298N driving chip respectively after being connected with the input end of the L298N driving chip.

7. The portable intelligent home cleaner of claim 6, wherein: an input end pin of the STC89C51 singlechip is connected with the crystal oscillator circuit, the reset circuit, the output ends of the LM393 infrared sensors, the HC-SR501 pyroelectric infrared sensor and the HC-05 Bluetooth module.