CN104533268B - The ventilation roller shutter solar protection devices of a kind of Driven by Solar Energy and method - Google Patents

Abstract

The invention discloses a sun-shading device and method for a solar-driven ventilation roller blind. The roller shutter box of the device is installed on a wall, and the roller shutter box has a cavity structure. Equipped with solar thin-film batteries; solar radiation sensors and temperature sensors are installed outside the solar thin-film batteries; air-inlet louvers are installed at the bottom of the shutter box; A tubular motor is installed inside the box, the upper end of the soft roller blind is connected to the tubular motor, and the lower end is fixed on the bottom bar; the input terminals of the calculator are respectively connected to the rechargeable battery, the solar radiation sensor and the temperature sensor, and the output terminals of the calculator are respectively connected to the controller , tubular motor and axial fan connection. The invention makes full use of solar energy, can simultaneously realize sunshade and ventilation of building exterior windows, contributes to improving indoor air quality and thermal comfort, reduces air-conditioning use time, and saves air-conditioning electricity.

Description

A kind of sun-shading device and method for ventilation roller blind driven by solar energy

technical field

The invention relates to a building sun-shading device, in particular to a sun-shading device driven by solar energy, and belongs to the technical field of buildings. The device is used for shading and ventilation of building exterior windows to improve the problems of shading and ventilation of exterior windows of low-rise and multi-storey buildings.

Background technique

With the implementation of the national industry standard "Design Standards for Energy Conservation of Residential Buildings in Hot Summer and Warm Winter Regions" (JGJ 75‐2012), it is mandatory to adopt external shading measures for east and west facing windows. Roller blind shading is one of the common measures for shading outside the window. When the opening method of the outer window is a sliding window, since the outer window needs to be opened outwards, there is a conflict with the lowered roller blind. As a result, when the roller blind is lowered for shading, the window cannot be opened for ventilation, which affects the indoor air quality and is not conducive to Air conditioning saves energy. On the other hand, the external window ventilators that are common in the market only have ventilation function and cannot effectively shade the sun. A large amount of solar radiation enters the room through the external window, which increases the energy consumption of the air conditioner.

Contents of the invention

The purpose of the present invention is to solve the problem of shading and ventilation of low-rise and multi-storey building exterior windows, provide an integrated solar-driven ventilation roller blind shading device and method that can utilize solar energy and can simultaneously perform shading and ventilation, and improve indoor ventilation. Heat environment, reduce air-conditioning power consumption.

The patent of the present invention organically combines the sunshade and ventilation of the exterior windows of the building by using solar power generation, rolling shutters for shading, and fans for ventilation to form an integrated sunshade and ventilation device, which is easy to install on the exterior windows and effectively improves the indoor light and heat environment. Reduce air conditioning power consumption.

The purpose of the present invention is to realize by following technical scheme:

A sun-shading device for ventilation roller blinds driven by solar energy, including solar thin film batteries, solar radiation sensors, temperature sensors, tubular motors, roller shutter boxes, air intake louvers, soft roller blinds, bottom rods, calculators, rechargeable batteries, controllers, Axial flow fan and air outlet louvers; the shutter box is installed on the wall, the shutter box is a cavity structure, and the upper surface of the shutter box facing the outdoor side is equipped with a solar thin film battery; There are solar radiation sensors and temperature sensors, and the air intake louvers are installed at the bottom of the shutter box, and the air outlet louvers are set on the side of the shutter box, facing the indoor side; a tubular motor is installed inside the shutter box, and the upper end of the soft shutter box is connected to the indoor side. The tubular motor is connected, and the lower end is fixed on the bottom rod; the axial flow fan is set in the cavity of the shutter box, and is located on the inner side of the air outlet louver; the solar thin film battery is connected to the rechargeable battery through the controller; the input terminals of the calculator are respectively connected to the rechargeable battery , the solar radiation sensor and the temperature sensor are connected, and the output terminals of the calculator are respectively connected with the controller, the tubular motor and the axial flow fan.

Preferably, the solar-driven ventilation roller blind sunshade device further includes guide rails, the guide rails are fixed on the walls on both sides of the window, and the two sides of the soft roller blind are embedded in the guide rails.

The rechargeable battery is a nickel-metal hydride rechargeable battery, which is connected with the controller through wires.

The controller adopts LS102460BPL solar controller; the axial flow fan adopts DC motor brushless axial flow fan.

The shutter box is made of aluminum alloy; the solar radiation sensor is a RainWise solar radiation sensor; the temperature sensor is a thermistor temperature sensor.

One side of the upper surface of the cavity structure of the rolling shutter box is an arc-shaped structure, and the solar thin film battery is arranged on the arc-shaped structure

The air inlet louvers are made of aluminum alloy and are in the shape of a grid; the air outlet louvers are in the shape of a grid.

The tubular motor adopts D2238M-001 tubular motor.

The soft roller blind is made of cloth, and the surface facing the outdoor side is sprayed with a high reflective coating.

The sun-shading method of ventilation roller blinds driven by solar energy using said device may further comprise the steps:

1) The solar radiation sensor and the temperature sensor collect the solar radiation S r and the indoor temperature Ta in real time, and transmit the collected signal to the calculator;

2) Use the calculator to judge whether it is necessary to supply power to the axial flow fan and the tubular motor, as well as the direction of rotation of the tubular motor, and determine whether the indoor temperature Ta is less than 20°C. If it is less than 20°C, pull up the soft roller blind and turn off the axial flow fan. If the indoor temperature Ta is greater than 20°C, further judge whether 20°C≤Ta<30°C, if yes, then judge whether the solar radiation Sr is greater than 400W/㎡, if so, put down the soft roller blind and turn on the axial fan, if not, then Just pull up the soft roller blind and turn on the axial fan;

3) If the indoor temperature is not between 20°C and 30°C, further judge whether the solar radiation Sr is greater than 200W/㎡, if so, put down the soft roller blind and turn on the axial fan; otherwise, pull up the soft roller blind and turn on the axial fan;

4) It can be set to repeat the above steps 1)-3) every half hour.

The specific parameters of the above-mentioned indoor temperature Ta and solar radiation S r can also be set according to requirements.

The present invention has following advantage and beneficial effect:

(1) The present invention avoids the contradiction between shading and ventilation of sliding windows, and can realize indoor and outdoor ventilation through the inlet and outlet louvers of the roller shutter box and the axial flow fan while performing shading.

(2) The present invention makes full use of solar energy, and can reduce power consumption compared with conventional roller blinds and ventilation windows.

(3) The patent of the present invention adopts an intelligent control system, which includes a solar radiation sensor, a temperature sensor and a calculator. The solar radiation sensor and temperature sensor record the outdoor solar radiation and temperature changes in real time, and transmit the data to the calculator. The calculator judges whether shading and ventilation are needed through the pre-set program, and then controls the tubular motor and axial flow fan Signal.

(4) The invention patent integrates the sunshade ventilation device and the outer window, which is easy to operate and easy to construct.

Description of drawings

Fig. 1 is a kind of schematic diagram of solar-driven ventilation roller blind sunshade device;

Fig. 2 is a flow chart of a sunshading method of a solar-driven ventilation roller blind.

detailed description

The present invention will be further described below in conjunction with the accompanying drawings, but the scope of protection claimed by the present invention is not limited to the scope indicated in the embodiments.

As shown in Figure 1, a solar-driven ventilation roller blind sunshade device includes solar thin film battery 1, solar radiation sensor 2, temperature sensor 3, tubular motor 4, roller shutter box 5, air intake louvers 6, soft roller blind 7 , Bottom bar 8, guide rail 9, calculator 10, rechargeable battery 11, controller 12, axial flow fan 13 and air outlet louver 14. The rolling shutter box 5 is installed on the body of wall, and the rolling shutter box 5 is a cavity structure, and the upper surface of the rolling shutter box 5 is provided with a solar thin film battery 1 on the outer surface facing the outdoor side; Sensor 2 and temperature sensor 3 are equipped with air intake louvers 6 at the bottom of the shutter box 5, and air outlet louvers 14 are arranged on the side of the shutter box 5, facing the indoor side; a tubular motor 4 is installed inside the shutter box 5, and the tubular motor A certain space should be left around the motor 4 to ensure that the soft roller blind 7 can be completely rolled into the roller shutter box. The upper end of the soft roller blind 7 is connected with the tubular motor 4, and the lower end is fixed on the bottom rod 8; the axial flow fan 13 is set In the cavity of the rolling shutter box 5, it is located on the inside of the air outlet louver 14; the solar thin film battery 1 is connected with the rechargeable battery 11 through the controller 12; the input terminal of the calculator 10 is connected with the rechargeable battery 11, the solar radiation sensor 2 and the temperature sensor respectively 3, the output end of the calculator 10 is connected with the controller 12, the tubular motor 4 and the axial flow fan 13 respectively. The controller 12 converts the electricity generated by the solar thin film battery into the voltage range used by the tubular motor and the axial flow fan.

The rechargeable battery 11 is a Ni-MH rechargeable battery, which is connected to the controller 12 through wires, and outputs stable direct current to the calculator 10; the controller 12 adopts a LS102460BPL solar controller, connected to the solar film 1, and provides charging protection for the rechargeable battery 11; Flow fan 13 adopts DC motor brushless axial flow fan, adopts 12V DC motor to supply power, and outdoor fresh air is sucked into roller shutter box 5 from air inlet louver 6, and is sent into indoor by air outlet louver 14.

The shutter box 5 is made of aluminum alloy; the solar radiation sensor 2 is preferably a RainWise solar radiation sensor 2, and the temperature sensor 3 is preferably a thermistor temperature sensor. The solar radiation sensor 2 and the temperature sensor are respectively used to record outdoor solar radiation and temperature changes, which can The data is set to be recorded every half an hour; one side of the upper surface of the cavity structure of the rolling shutter box 5 is preferably an arc-shaped structure, and the solar thin film battery 1 is arranged on the arc-shaped structure; the air intake louvers 6 can be made of aluminum alloy , and in the shape of a grid, the outdoor air can enter the shutter box 5 through the air inlet louvers 6; the air outlet louvers 14 are in the shape of a grid, the outdoor air flows into the shutter box from the air inlet louvers, and then passes through the air outlet louvers by the axial flow fan Bring fresh air into the room.

Tubular motor 4 is preferably D2238M-001 tubular motor, soft roller blind 7 can adopt cloth, and the surface spraying high-reflection coating toward the outdoor side is to reduce the absorption of surface to solar radiation and reduce surface temperature; the two sides of soft roller blind 7 Embedded in the guide rail 9, the soft roller blind 7 can move up and down, but cannot escape from the guide rail 9, so as to reduce the shaking of the soft roller blind, and the guide rail 9 is fixed on the walls on both sides of the window. Preferably, the tubular motor 4 is wound with a soft roller blind 7; the bottom bar 8 is made of aluminum alloy, has a certain weight, and can stretch the soft roller blind 7. On the one hand, the surface of the soft roller blind 7 is relatively smooth, reducing wrinkles; On the one hand, a downward force is provided, and when the tubular motor 4 rotates clockwise, the soft roller blind 7 is pulled to move downward; Thereby block solar radiation, when turning counterclockwise, pack up soft roller blind 7, solar radiation can shine on outer window.

The calculator is preferably a programmable single-chip microcomputer; the rechargeable battery is used to store the electricity generated by the solar thin-film battery, and provides electricity for the tubular motor and the axial fan; the controller converts the electricity generated by the solar thin-film battery into the voltage used by the tubular motor and the axial fan scope.

The calculator is used to process the data collected by the solar radiation sensor and the temperature sensor, and judge whether sunshade and ventilation are needed, and then send control signals to the tubular motor and the axial flow fan. Calculator 10 has three input terminals and three output terminals, wherein one input terminal is used to receive relatively stable direct current from rechargeable battery 11, and another input terminal is used to receive the signal from solar radiation sensor 2 input, and the third The input end is used to receive the signal input from the temperature sensor 3, and the three output ends are the direct current output to the axial flow fan 13, the direct current output to the tubular motor 4, and the forward and reverse signals output to the tubular motor 4.

As shown in Figure 2, the solar radiation sensor 2 and the temperature sensor 3 collect solar radiation and indoor temperature Ta in real time, and transmit the collected signal to the calculator 10;

Use the calculator 10 to determine whether the axial flow fan 13 and the tubular motor 4 need to be powered, and the direction of rotation of the tubular motor 4, and determine whether the indoor temperature Ta is less than 20°C. If it is less than 20°C, pull up the soft roller blind 7 and close the shaft. Flow fan 13, if the indoor temperature Ta is greater than 20°C, further judge whether 20°C≤Ta<30°C, if so, judge whether the solar radiation Sr is greater than 400W/㎡, if so, put down the soft roller blind 7, and turn on the axial flow fan 13. If not, pull up the soft roller blind 7 and turn on the axial fan 13; if the indoor temperature is not at 20°C-30°C, further judge whether the solar radiation Sr is greater than 200W/㎡, if so, put down the soft roller blind 7, Turn on the axial flow fan 13, otherwise, pull up the soft roller blind 7 and turn on the axial flow fan 13; the above-mentioned indoor temperature Ta and solar radiation Sr can be set according to specific conditions; it can be set to repeat the above process every half an hour. The patent of the present invention adopts an intelligent control system, which includes a solar radiation sensor, a temperature sensor and a calculator. The solar radiation sensor and temperature sensor record the outdoor solar radiation and temperature changes in real time, and transmit the data to the calculator. The calculator judges whether shading and ventilation are needed through the pre-set program, and then controls the tubular motor and axial flow fan Signal.

Simultaneously, the present invention avoids the contradiction between shading and ventilation of the sliding window, and can realize indoor and outdoor ventilation through the air inlet and outlet louvers and the axial flow fan of the rolling shutter box while performing shading. The invention makes full use of solar energy, and can reduce power consumption compared with conventional roller blinds and ventilation windows.

Claims (8)

1. the ventilation roller shutter solar protection devices of a Driven by Solar Energy, it is characterised in that include solar energy film Battery, solar radiation sensor, temperature sensor, tube shaped electric machine, roller shutter box, air feed shutter, soft roller shutter, Bottom bar, computer, rechargable battery, controller, aerofoil fan and air-out BAIYE；Roller shutter box is arranged on body of wall, Roller shutter box is cavity structure, and the side outside the upper surface faced chamber of roller shutter box is provided with solar energy film electricity in appearance Pond；Solar radiation sensor and temperature sensor it is provided with, at the end of roller shutter box outside solar film battery Portion is provided with air feed shutter, and air-out BAIYE is arranged on the side of roller shutter box, inside faced chamber；In roller shutter box Tube shaped electric machine is installed in portion, and the upper end of soft roller shutter is connected with tube shaped electric machine, and lower end is fixed on bottom bar；Axial flow wind Fan is arranged in roller shutter box cavity, is positioned at the inner side of air-out BAIYE；Solar film battery by controller with Rechargable battery connects；The input of computer is respectively with rechargable battery, solar radiation sensor and temperature sensor even Connecing, the outfan of computer connects with controller, tube shaped electric machine and aerofoil fan respectively；

The ventilation roller shutter solar protection devices of described Driven by Solar Energy also includes guide rail, and guide rail is fixed on window both walls On body, the both sides of soft roller shutter are embedded in guide rail.

The ventilation roller shutter solar protection devices of Driven by Solar Energy the most according to claim 1, it is characterised in that Described rechargable battery is nickel-hydrogen chargeable cell, is connected with controller by wire.

The ventilation roller shutter solar protection devices of Driven by Solar Energy the most according to claim 1, it is characterised in that Described aerofoil fan uses DC motor brushless aerofoil fan.

The ventilation roller shutter solar protection devices of Driven by Solar Energy the most according to claim 1, it is characterised in that Described roller shutter box uses aluminum alloy material；Described temperature sensor uses thermistor temperature sensor.

The ventilation roller shutter solar protection devices of Driven by Solar Energy the most according to claim 1, it is characterised in that The side of the cavity structure upper surface of described roller shutter box is arc-shaped structure, and solar film battery is arranged on institute State on arc-shaped structure.

The ventilation roller shutter solar protection devices of Driven by Solar Energy the most according to claim 1, it is characterised in that Described air feed shutter uses aluminum alloy material, in grid-like；Described air-out BAIYE is grid-like.

The ventilation roller shutter solar protection devices of Driven by Solar Energy the most according to claim 1, it is characterised in that Described soft roller shutter uses cloth, towards the surface spraying highly-reflective coating of outdoor side.

8. the ventilation roller shutter sunshade applying the Driven by Solar Energy of device described in any one of claim 17 Method, it is characterised in that comprise the steps:

1) solar radiation sensor and temperature sensor Real-time Collection solar radiation Sr and indoor temperature Ta, Collection signal is transferred to computer；

2) judge whether to need aerofoil fan and tube shaped electric machine are powered by computer, and tube shaped electric machine Rotation direction, and judge indoor temperature Ta whether less than 20 DEG C, if less than 20 DEG C, the soft roller shutter of pull-up, Closing axle flow fan, if indoor temperature Ta is more than 20 DEG C, further determines whether 20 DEG C≤Ta ＜ 30 DEG C, In this way, then judge that solar radiation Sr, whether more than 400W/, in this way, then puts down soft roller shutter, opens axle Flow fan, as no, then with regard to the soft roller shutter of pull-up, opens aerofoil fan；

3) if indoor temperature is not at 20 DEG C-30 DEG C, determine whether that whether solar radiation Sr is more than 200W/ , in this way, then put down soft roller shutter, open aerofoil fan, otherwise, the soft roller shutter of pull-up, open aerofoil fan；

4) repeat the above steps 1 per half an hour is set) 3).