CN110593744A

CN110593744A - Intelligent self-control curtain

Info

Publication number: CN110593744A
Application number: CN201910887108.XA
Authority: CN
Inventors: 马悦; 马彦淳; 石成瑶; 禹笑冲; 陈吉龙
Original assignee: Beijing University of Technology
Current assignee: Beijing University of Technology
Priority date: 2019-09-19
Filing date: 2019-09-19
Publication date: 2019-12-20

Abstract

An intelligent self-control curtain belongs to the technical field of curtains. Comprises an automatic control system device, a motor, a PM2.5 sensor, an ultraviolet illuminometer and a scroll curtain; the PM2.5 sensor, the ultraviolet illuminometer and the motor are respectively connected with an automatic control system device; the PM2.5 sensor and the ultraviolet illuminometer are respectively positioned outdoors, an aluminum pipe is adopted as a scroll at the upper end of the curtain, shaft seats with a hole at the center are respectively installed and fixed in two ports of the aluminum pipe, the center hole of one of the shaft seats is fixedly connected with a rotating shaft of a motor through a rotating head, the rotating head is of an elastic cylinder structure, the rotating head is fixedly sleeved in the center hole of the shaft seat, and the rotating shaft of the motor is sleeved in the hole of the rotating head, so that the motor can drive the aluminum pipe to rotate; and the other shaft seat is provided with a power-assisted winder through a central hole, the power-assisted winder is provided with a pull bead chain, and the power-assisted winder can be pulled by the pull bead chain to drive the aluminum pipe to rotate so as to further roll the curtain up and down.

Description

Intelligent self-control curtain

Technical Field

The invention belongs to the technical field of curtains, and particularly relates to an intelligent self-control curtain.

Background

The prior art is an infrared mode photoresistor mode automatic curtain system, which mainly takes a singlechip as a minimum system as a main control system and consists of a program source code for controlling the singlechip, an electronic element for realizing the control function of the system and a unit circuit. The invention is based on a single chip microcomputer such as Arduino UNO R3, so that the operation and adjustment are convenient, and meanwhile, the PM2.5 detection function and the ultraviolet detection function are connected with the single chip microcomputer and then combined with the roller shutter curtain.

Disclosure of Invention

In order to achieve the purpose, the invention adopts the following technical scheme.

An intelligent self-control curtain is characterized by comprising a self-control system device, a motor, a PM2.5 sensor, an ultraviolet illuminometer and a scroll curtain; the PM2.5 sensor, the ultraviolet illuminometer and the motor are respectively connected with an automatic control system device; the PM2.5 sensor and the ultraviolet illuminometer are respectively positioned in the outdoor atmospheric environment and are used for detecting the PM2.5 concentration and the ultraviolet intensity of the outdoor atmospheric environment; roller curtain: the upper end of the curtain adopts an aluminum pipe as a scroll, two ports of the aluminum pipe are respectively and fixedly provided with a shaft seat with a central hole, the central hole of one shaft seat is fixedly connected with a rotating shaft of a motor through a rotating head, the rotating head is of an elastic cylinder structure and is fixedly sleeved in the central hole of the shaft seat, and the rotating shaft of the motor is sleeved in the hole of the rotating head, so that the motor can drive the aluminum pipe to rotate; the other shaft seat is provided with a power-assisted winder through a central hole, the power-assisted winder is provided with a pull bead chain, and the power-assisted winder can be pulled by the pull bead chain to drive the aluminum pipe to rotate so as to further roll the curtain up and down;

the curtain cloth adopts a three-layer laminated composite structure, and is sequentially provided with an ultraviolet-proof layer, a PM2.5 layer for filtering PM2.5 and an ultraviolet-proof layer from the outside of the window to the inside of the window;

the single chip microcomputer is used for an automatic control system device, the control purpose is realized through the single chip microcomputer, and meanwhile, the curtain material is also carefully selected. In the month with higher concentration, the PM2.5 concentration sensor is set as a priority control option, when the concentration is monitored to be greater than a set limit value, the motor is started, the positive and negative rotation of the alternating current motor 2 is controlled to drive the curtain to move back and forth along the track, the curtain is closed, when the concentration of outdoor PM2.5 is not high, the ultraviolet illuminometer is used as a priority control option, the ultraviolet illuminance exceeds a certain limit value, the motor is started, the positive and negative rotation of the alternating current motor is controlled to drive the curtain to move back and forth along the track, and the curtain is closed.

The actual working circuit of the automatic control system is connected as follows, firstly, the USB port of the singlechip is connected with a computer, and outdoor PM2.5 and ultraviolet intensity data can be known through a computer display screen; the ultraviolet illuminometer comprises a plurality of connecting wires of the PM2.5 sensor, wherein two wires are grounded, the other two wires are connected with a power supply VCC, the fifth wire is connected with an output end and one hole A2 of an Arduino R3 singlechip (provided with a plurality of connecting holes), the ultraviolet illuminometer comprises a sensor and an amplifier device inside, and one end of the amplifier is connected with the other hole A0 of the Arduino R3 singlechip. The working principle of the motor set under the working voltage of 12V is as follows: two wiring holes (A) and (B) of a stepping motor controller are connected with the other two wiring holes (C) and (B) of the Arduino R3 singlechip, and A + \ A-and B + \ B-are connected with corresponding wiring holes of the stepping motor controller respectively inside the stepping motor; the Arduino R3 singlechip passes through step motor controller output PWM alternating voltage, and the advantage is that the wave form of output is square wave, and square wave has the duty cycle, and high frequency wave form accounts for the proportion of whole wave form promptly, through the height of adjusting frequency, can regulate and control the rotational speed of motor, and then adjusts the speed of (window) curtain spool.

The intelligent self-control curtain based on the single chip microcomputer collects the concentration of external ultraviolet light intensity dust particles through a sensor and controls the opening and closing of the curtain through the analysis of the single chip microcomputer by a motor. The singlechip is the most common system device applied to automatic control at present, and can realize various functions through programming and designing a circuit so as to achieve the aim of control; and meanwhile, the curtain material is selected carefully. In the month with higher concentration, the PM2.5 concentration sensor is set as a priority control option, when the concentration is monitored to be greater than a set limit value, the curtain is closed by the starting motor, in the period that the outdoor PM2.5 concentration is not high, the ultraviolet illuminometer is used as a priority control option, the ultraviolet illuminance exceeds a certain limit value, the motor is started, the forward and reverse rotation of the alternating current motor is controlled to drive the curtain to move back and forth along the track, the curtain is closed, the program is a program with a set number, of course, the motor can be closed, and the curtain can be opened and closed manually according to own preference.

Drawings

FIG. 1 is a schematic structural diagram of an intelligent automatic control;

FIG. 2 is a schematic view of a curtain structure; 1 aluminum tube, 2 axle seats, 3 turning heads, 4 power-assisted rolling devices, 5 bead pulling chains and 6 bottom rods.

Fig. 3 shows the main operating circuit connections.

Detailed Description

The present invention will be further illustrated with reference to the following examples, but the present invention is not limited to the following examples.

Example 1

An intelligent self-control curtain is characterized by comprising a single chip microcomputer, a motor, a PM2.5 sensor, an ultraviolet illuminometer and a scroll curtain; the PM2.5 sensor, the ultraviolet illuminometer and the motor are respectively connected with the singlechip; the PM2.5 sensor and the ultraviolet illuminometer are respectively positioned in the outdoor atmospheric environment and are used for detecting the outdoor PM2.5 concentration and the ultraviolet intensity of the outdoor atmospheric environment; roller curtain: the upper end of the curtain adopts an aluminum pipe as a scroll, and the lower end of the curtain is fixedly rolled with the bottom rod; two ends of the aluminum pipe are respectively internally and fixedly provided with a shaft seat with a central hole, wherein the rotating head is of an elastic cylinder structure and is fixedly sleeved in the central hole of the shaft seat, and a rotating shaft of the motor is sleeved in the hole of the rotating head and is completely fixed, so that the motor drives the aluminum pipe to rotate through positive and negative rotation; the other shaft seat is provided with a power-assisted winder through a central hole, the power-assisted winder is provided with a pull bead chain, and the power-assisted winder can be pulled by the pull bead chain to drive the aluminum pipe to rotate so as to further roll the curtain up and down;

the curtain cloth adopts a three-layer laminated composite structure and sequentially comprises an ultraviolet-proof layer, a PM2.5 layer for filtering PM2.5 and an ultraviolet-proof layer;

the motor is selected from 42 stepping motor sets, the type of the driver is TB6600, the single chip microcomputer development board is Arduino UNO R3, and the single chip microcomputer is easy to operate and save programming complexity. An ultraviolet illuminometer with an amplifying function is selected, the working voltage is 5V, the corresponding wavelength is 200nm-370nm, and the reliable and accurate ultraviolet measurement level is realized. The PM2.5 sensor is a GP2Y1014AU dust sensor, can detect extremely fine particles with a minimum detection value of 0.8 mm, is commonly used for an air purifier system, has extremely low current consumption and a service life of five years, and needs to be added with a resistance of 150ohm and a capacitance of 220.uF when being connected with a circuit.

The actual working circuit of the automatic control system is connected as follows, firstly, the USB port of the singlechip is connected with a computer, and outdoor PM2.5 and ultraviolet intensity data can be known through a computer display screen. The PM2.5 sensor is grounded by two wires, the fifth wire and the sixth wire are connected with a power supply VCC, the output end of the wire is connected with an Arduino R3 singlechip A2 hole, the ultraviolet illuminometer is internally provided with a sensor and an amplifier device, and one end of the amplifier is connected with an Arduino R3 singlechip A0 hole. The motor group sleeving operation principle under the working voltage of 12V is that a wire connecting hole and a wire connecting hole of a stepping motor controller are connected with an Arduino R3 single chip microcomputer and a wire connecting hole, and A + \ A-and B + \ B-are connected with corresponding wire inserting holes of the stepping motor controller respectively. The Arduino R3 singlechip passes through step motor controller output PWM alternating voltage, and the advantage is that the wave form of output is square wave, and square wave has the duty cycle, and high frequency wave form accounts for the proportion of whole wave form promptly, through the height of adjusting frequency, can regulate and control the rotational speed of motor, and then adjusts the speed of (window) curtain spool.

Ultraviolet-proof material: the polyurethane adhesive has an excellent ultraviolet-proof function, adopts aliphatic isocyanate as a raw material, and is completely suitable for outdoor use; the product has the characteristics of high activity, variable viscosity, high bonding strength and the like other polyurethane without additionally adding surface protection materials such as a coating, an ultraviolet absorbent, an ultraviolet-proof pad or a film and the like. It can effectively soak glass fiber, and can produce durable high strength. In addition, the material also has the functions of anti-graffiti and flame retardant.

PM2.5 prevention material: the general filtering material is composed of non-woven fabrics, and the filtering function is realized by means of fiber filtering. There are generally five major mechanisms of fiber filtration: direct capture, inertial deposition, gravity deposition, diffusive deposition effects, and electrostatic adsorption. The composite material has a complex three-dimensional structure, particularly, the non-woven fabric made of superfine fibers has small and uniformly distributed pores among the fibers, high total porosity and large specific surface area of the fibers, so that the composite material has large contact area with ambient airflow, high probability of contact with dust particles in the airflow, small filtration resistance and high dust capacity. And secondly, the internal structure of the filter has an ideal fiber labyrinth system, which can enhance the dispersion effect of the fluid, so that dust particles to be filtered have more chances to collide with single fibers and be captured, and therefore, the filter has higher filtering efficiency. The 0.3 μm particle size particles have been found to correspond to the lowest filtration efficiency, and therefore 0.3 μm is generally considered as an indicator of the filtration efficiency of the test filter. The particle size of the filtered PM2.5 is about 2.5 μm, so the ideal target can be achieved by adopting a non-woven fabric manufacturing process, and the non-woven fabric can be directly purchased in the market. The method can also improve the flow velocity of the fluid and accelerate the filtration process, and has the characteristics of short production process flow, high yield, low cost and easy composite deep processing of other materials. The process of melt-blown non-woven fabric by using polypropylene as a raw material can realize the effects of finest fiber and strongest interception and retention effects.

Claims

1. An intelligent self-control curtain is characterized by comprising a self-control system device, a motor, a PM2.5 sensor, an ultraviolet illuminometer and a scroll curtain; the PM2.5 sensor, the ultraviolet illuminometer and the motor are respectively connected with an automatic control system device; the PM2.5 sensor and the ultraviolet illuminometer are respectively positioned in the outdoor atmospheric environment and are used for detecting the PM2.5 concentration and the ultraviolet intensity of the outdoor atmospheric environment; roller curtain: the upper end of the curtain adopts an aluminum pipe as a scroll, two ports of the aluminum pipe are respectively and fixedly provided with a shaft seat with a central hole, the central hole of one shaft seat is fixedly connected with a rotating shaft of a motor through a rotating head, the rotating head is of an elastic cylinder structure and is fixedly sleeved in the central hole of the shaft seat, and the rotating shaft of the motor is sleeved in the hole of the rotating head, so that the motor can drive the aluminum pipe to rotate; the other shaft seat is provided with a power-assisted winder through a central hole, the power-assisted winder is provided with a pull bead chain, and the power-assisted winder can be pulled by the pull bead chain to drive the aluminum pipe to rotate so as to further roll the curtain up and down;

the curtain cloth adopts a three-layer laminated composite structure, and is sequentially provided with an ultraviolet-proof layer, a PM2.5 layer for filtering PM2.5 and an ultraviolet-proof layer structure from the outside of the window to the inside of the window.

2. An intelligent self-control curtain as claimed in claim 1, wherein the actual working circuit of the self-control system is connected as follows, firstly, the USB port of the singlechip is connected with the computer, and the outdoor PM2.5 and ultraviolet intensity data can be known through the computer display screen; the ultraviolet illuminometer comprises a plurality of connecting wires of the PM2.5 sensor, wherein two wires are grounded, the other two wires are connected with a power supply VCC, the fifth wire is connected with an output end and one hole A2 of an Arduino R3 singlechip (provided with a plurality of connecting holes), the ultraviolet illuminometer comprises a sensor and an amplifier device inside, and one end of the amplifier is connected with the other hole A0 of the Arduino R3 singlechip. The working principle of the motor set under the working voltage of 12V is as follows: two wiring holes (A) and (B) of a stepping motor controller are connected with the other two wiring holes (C) and (B) of the Arduino R3 singlechip, and A + \ A-and B + \ B-are connected with corresponding wiring holes of the stepping motor controller respectively inside the stepping motor; the Arduino R3 singlechip outputs PWM alternating voltage through a stepping motor controller, and the output waveform is square wave.

3. An intelligent self-controlled curtain as claimed in claim 1, wherein the single-chip microcomputer is used in a self-control system device, the purpose of control is achieved by the single-chip microcomputer, in the months with higher concentration, the PM2.5 concentration sensor is set as a priority control option, when the concentration is monitored to be greater than a set limit value, the motor is started, the alternating current motor is controlled to rotate forward and backward to drive the curtain to move back and forth along the track, the curtain is closed, in the period that the outdoor PM2.5 concentration is not high, the ultraviolet illuminometer is used as a priority control option, the ultraviolet illuminance exceeds a certain limit value, the motor is started, the alternating current motor is controlled to rotate forward and backward to drive the curtain to move back and forth along the track, and the curtain is closed.