CN211573125U

CN211573125U - Zero-energy-consumption adjustable color-changing window system

Info

Publication number: CN211573125U
Application number: CN201920917023.7U
Authority: CN
Inventors: 薛鹏; 叶盛; 陈雅倩; 杨帆
Original assignee: Beijing University of Technology
Current assignee: Beijing University of Technology
Priority date: 2019-06-18
Filing date: 2019-06-18
Publication date: 2020-09-25
Anticipated expiration: 2029-06-18

Abstract

A zero-energy-consumption adjustable color-changing window system belongs to the field of building technology research. The solar photovoltaic power generation device comprises five parts, namely electrochromic glass, a solar photovoltaic power generation plate, a storage battery, a controller and a support regulator, wherein the electrochromic glass is used as window glass, one corner of the outer side surface of the lower end part of the electrochromic glass is fixedly connected with the solar photovoltaic power generation plate through an angle adjusting device, the electrochromic glass, the solar photovoltaic power generation plate and the storage battery are respectively connected with the controller, and the controller is used for controlling output voltage to apply different voltages to the electrochromic glass. The system not only can actively control the indoor direct solar radiation and lighting effect to influence the indoor photo-thermal environment comfort, but also can adjust the included angle between the solar photovoltaic power generation panel and sunlight according to the position change of solar rays, so that the solar energy is efficiently utilized, zero energy consumption is realized, and the building energy conservation is further realized.

Description

Zero-energy-consumption adjustable color-changing window system

Technical Field

The utility model belongs to the technical field of the building research. The zero-energy-consumption window system achieves the purpose of dynamically adjusting indoor photo-thermal environments by arranging the solar photovoltaic power generation panel, the electric power storage device, the control device and the angle adjusting device on the surface of the electrochromic glass and enabling users to change according to self requirements and sunlight.

Background

In the building, glass is the important factor that determines indoor light and heat environment, and sunlight shines indoor through printing opacity envelope, and when to building heat transfer, also brings the daylighting for the room. In recent years, the rise of new glass materials, especially electrochromic glass, has made it possible to dynamically adjust the photo-thermal environment in building rooms. Compared with the traditional glass, the electrochromic glass can effectively control indoor solar radiation heat, greatly reduce the energy consumption of an air conditioner and realize building energy conservation; meanwhile, the probability that the illumination level meets the light environment requirement is increased, and the comfort of the light environment is improved.

The common electrochromic glass needs to be externally connected with municipal 220V alternating current, high-voltage alternating current is converted into low-voltage direct current through a voltage transformation device, and then the low-voltage direct current is introduced into the electrochromic glass, so that the transparency and the color of the glass are changed. However, the electrochromic glass can realize the effect of dynamically adjusting the indoor photo-thermal environment only under the conditions of electrification and transformation, so that the glass needs to be electrified constantly and the energy consumption is increased; in the event of a power outage, the function of actively controlling the state of coloration of the glass is disabled. Therefore, the color-changing window system which does not need municipal power supply and can be subjectively and dynamically adjusted is worthy of research, development and application.

SUMMERY OF THE UTILITY MODEL

Need not municipal power supply and can the indoor photo-thermal environment's of initiative dynamic adjustment target in order to realize, the utility model provides an integrated electricity generation, electric power storage, control and angle modulation function's window system that discolours, this system not only can the indoor direct solar radiation of active control and daylighting effect, influence indoor photo-thermal environment travelling comfort, can also be according to the position change of solar ray, adjust the contained angle of solar photovoltaic power generation board and sunlight, the high efficiency utilizes solar energy, accomplishes zero energy consumption, further realizes building energy-conservation.

The utility model discloses a solve its technical problem, adopt following technical scheme: a zero-energy-consumption adjustable color-changing window system comprises five parts, namely electrochromic glass (1) (a color-changing device), a solar photovoltaic power generation plate (2) (a power generation device), a storage battery (3) (a power storage device), a controller (4) (a control device) and a support regulator (5) (an angle regulating device), wherein the electrochromic glass (1) is used as window glass, one corner of the outer side surface of the lower end part of the electrochromic glass is fixedly connected with the solar photovoltaic power generation plate (2) through the angle regulating device (5), the electrochromic glass (1), the solar photovoltaic power generation plate (2) and the storage battery (3) are respectively connected with the controller (4), and the controller (4) is used for controlling output voltage to apply different voltages to the electrochromic glass (1); meanwhile, the controller (4) is also used for controlling the storage and the release of electric energy;

the structure and the function of each part are explained as follows:

1) a color changing device: the transmittance or the absorptivity of the electrochromic glass to light is actively regulated and controlled under the action of an electric field, so that external heat radiation is selectively absorbed or reflected, indoor heat loss is prevented, and the purposes of reducing building energy consumption and improving indoor light environment comfort are achieved. The glass is common electrochromic glass, and the installation size is determined according to the design working condition.

2) A power generation device: by utilizing the principle of photoelectric effect, the solar photovoltaic power generation panel generates power under the irradiation of sunlight, and then stores unstable direct current in the storage battery. The power generation plate is made of monocrystalline silicon or polycrystalline silicon, and the size of the power generation plate accounts for about 10% of the area of the electrochromic glass.

3) An electrical storage device: the nano photocatalyst substance is utilized to promote the chemical reaction of the substances in the power storage device, store unstable direct current and continuously supply stable direct current to the electrochromic glass. The material is nickel-hydrogen or lithium ion accumulator, and the capacity is determined by the installation size of the electrochromic glass.

4) A control device: the controller has three control ends A, B and C which are respectively connected with the electrochromic glass (1), the solar photovoltaic power generation panel (2) and the storage battery (3); through the output voltage who changes the battery, reach the colored effect of subjective dynamic adjustment glass, and then influence indoor light and heat environment. The type is a charge and discharge controller.

5) The angle adjusting device comprises: the support regulator comprises three parts, namely a support plate, two supports, two vertical rods and the like, wherein the two vertical rods are vertically and oppositely fixed on the outer surface of the electrochromic glass in parallel, the left side edge and the right side edge of the upper part of the support plate are respectively fixedly connected with the upper end of one vertical rod in a hinge or rotating structure mode, and radial through holes are respectively formed in three positions of the two vertical rods from top to bottom D, E, F; the axial direction of the through hole is in a plane formed by the two vertical rods and is vertical to the two vertical rods; one end of each of the two support rods is fixedly connected with the back of the support plate through a hinge or a rotating structure; the other ends of the two supporting rods are respectively provided with a through hole, the axial direction of the through hole is parallel to the axial direction of the through hole on the vertical rod, the support and the vertical rod are fixedly connected through the through hole on the support and the through hole on the vertical rod through pins, and the support is rotated to ensure that the other end of the support is fixedly connected with the through holes at D, E, F three positions respectively, so that the adjustment of four angles of 0 degree, 15 degrees, 45 degrees and 75 degrees is realized, and the angle value is the included angle between the supporting plate and the vertical rod. According to the position change of the sunlight, the angle adjusting device changes the angle of the solar photovoltaic panel on the supporting plate by adjusting the position of the support, so that the sunlight receiving area of the photovoltaic power generation panel is increased, and the solar energy conversion efficiency is improved.

6) The solar photovoltaic power generation board (2) is fixed on the front surface of the supporting board in parallel.

The utility model has the advantages that the zero-energy-consumption adjustable color-changing window system is provided, and the indoor light-heat environment comfort can be adjusted more flexibly by combining the color-changing device, the power generation device, the power storage device, the control device and the angle adjusting device; the self-sufficiency of the color-changing power supply of the glass is achieved, and the energy conservation of the building is further realized.

Drawings

FIG. 1 is a schematic view of a zero-power adjustable color change window system;

FIG. 2 is a schematic side adjustment view of a stent adjuster;

in the figure: 1. electrochromic glass; 2. a solar photovoltaic power generation panel; 3. a storage battery; 4. a controller; 5. a stent adjuster; 6. a support plate; 7. a support; 8. a vertical rod; 9. and (4) a hinge.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples, but the present invention is not limited to the following examples.

Example 1

In fig. 1, electrochromic glass, a solar photovoltaic panel, a storage battery, a controller and a bracket adjuster are connected as shown in the figure. The controller is a charge-discharge controller and has three interface ends A, B and C in total. In the daytime, the end A of the controller is connected with a solar photovoltaic power generation plate attached to the surface of a support plate of the support regulator, and the solar photovoltaic power generation plate receives sunlight in the largest area through the angle regulation of the support regulator and converts light energy into electric energy; the end B of the controller is connected with the storage battery, and low-voltage direct current generated by the power generation board is stored in the storage battery; the end C of the controller is connected with the electrochromic glass to control the output voltage of the storage battery and change the coloring state of the glass. At night, the solar photovoltaic panel cannot generate electric energy, so that the end A of the controller is disconnected from the solar photovoltaic support plate, the end B, C of the controller is connected with the storage battery and the electrochromic glass respectively, and the color of the glass is adjusted. The process enables the color-changing window system to have the characteristics of safe use, flexible control and self-sufficiency of energy.

In fig. 2, the support adjuster can dynamically adjust according to the position change of the solar ray, thereby improving the utilization efficiency of solar energy. The total angle of the four adjusting angles is 0 degree, 15 degrees, 45 degrees and 75 degrees, and the angle value is the included angle between the supporting plate and the vertical rod. In the early morning and evening, when the solar altitude angle is small, the bracket can be vertically put down or fixed at the position D of the vertical rod, namely the adjusting angle is 0 degree or 15 degrees; the solar altitude angle values in the morning and afternoon are gradually increased, and the bracket can be fixed at the position E of the vertical rod, namely the adjusting angle is 45 degrees; the solar altitude reaches the maximum value in one day at noon, and the support can be fixed at the position F of the vertical rod, namely the adjusting angle is 75 degrees.

Taking Beijing as an example, the area size relationship between the solar photovoltaic power generation panel and the electrochromic glass can be calculated through experimental data. 1 square meter of electrochromic glass has average energy consumption of 6.5W and maximum energy consumption of about 8.97W; the solar radiation intensity of the vertical surface is 500-600W/m²The highest summer is 800W/m²(ii) a The photoelectric conversion efficiency of the solar panel is about 17 percent, so that the power generation amount is 100W/m in general weather². In order to meet the electric energy requirement of the electrochromic glass, the conversion efficiency of a storage battery is considered, and the storage battery is 1m²The electrochromic glass needs 0.1m²The solar cell panel.

The foregoing description of the embodiments of the present invention has been presented by way of text and accompanying illustration and is not intended to be exhaustive or limited to the embodiments described above. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.

Claims

1. The utility model provides an adjustable color-changing window system of zero energy consumption, its characterized in that, including five parts of electrochromic glass (1), solar photovoltaic electricity generation board (2), battery (3), controller (4) and support regulator (5), electrochromic glass (1) is as window glass, passes through support regulator (5) fixed connection solar photovoltaic electricity generation board (2) in the lateral surface one corner of its lower tip, and electrochromic glass (1), solar photovoltaic electricity generation board (2), battery (3) are connected with controller (4) respectively.

2. A zero power variable tint window system as defined in claim 1, wherein the controller (4) is adapted to control the output voltage to apply different voltages to the electrochromic glazing (1); and the controller (4) is also used for controlling the storage and the release of the electric energy.

3. The system of claim 1, wherein the transmittance or absorption rate of the electrochromic glass is actively controlled under the action of the electric field, so as to selectively absorb or reflect external thermal radiation and prevent indoor heat loss, thereby achieving the purposes of reducing building energy consumption and improving indoor light environment comfort.

4. The zero-energy-consumption adjustable color-changing window system as claimed in claim 1, wherein a solar photovoltaic power generation panel generates power under the irradiation of sunlight by using the principle of photoelectric effect, and then stores unstable direct current in a storage battery; the power generation plate is made of monocrystalline silicon or polycrystalline silicon.

5. The zero-power adjustable color-changing window system according to claim 1, wherein the solar photovoltaic panel occupies 10% of the area of the electrochromic glazing.

6. The zero-power adjustable color change window system of claim 1, wherein the battery: promoting the chemical reaction of the substances in the power storage device by utilizing the nano photocatalyst substances, storing unstable direct current and continuously giving stable direct current to the electrochromic glass; the material is nickel-hydrogen or lithium ion storage battery.

7. The system of claim 1, wherein the controller has a total of three control terminals a, B, and C, which are respectively connected to the electrochromic glass (1), the solar photovoltaic panel (2), and the storage battery (3), and the controller is a charge/discharge controller, which can achieve the effect of subjective dynamic adjustment of glass coloring by changing the output voltage of the storage battery.

8. The zero-energy-consumption adjustable color-changing window system as claimed in claim 1, wherein the bracket adjuster comprises a support plate, two brackets and two vertical rods, wherein the two vertical rods are vertically and parallelly fixed on the outer surface of the electrochromic glass in an opposite manner, the left side and the right side of the upper part of the support plate are respectively fixedly connected with the upper end of one vertical rod in a hinge or rotating structure manner, and the two vertical rods are respectively provided with a radial through hole from top to bottom D, E, F; the axial direction of the through hole is in a plane formed by the two vertical rods and is vertical to the two vertical rods; one end of each of the two support rods is fixedly connected with the back of the support plate through a hinge or a rotating structure; the other ends of the two supporting rods are respectively provided with a through hole, the axial direction of the through hole is parallel to the axial direction of the through hole on the vertical rod, the support and the vertical rod are fixedly connected through the through hole on the support and the through hole on the vertical rod through pins, and the support is rotated to ensure that the other end of the support is fixedly connected with the through holes at D, E, F three positions respectively, so that the adjustment of four angles of 0 degree, 15 degrees, 45 degrees and 75 degrees is realized, and the angle value is the included angle between the supporting plate and the vertical rod.

9. The system of claim 8, wherein the solar photovoltaic panel (2) is parallel fixed on the front surface of the support plate.