TWI480659B - Method for controlling electrochromic element - Google Patents

Method for controlling electrochromic element Download PDF

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TWI480659B
TWI480659B TW103122918A TW103122918A TWI480659B TW I480659 B TWI480659 B TW I480659B TW 103122918 A TW103122918 A TW 103122918A TW 103122918 A TW103122918 A TW 103122918A TW I480659 B TWI480659 B TW I480659B
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electrochromic element
transmittance
coloring
time
sec
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TW103122918A
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TW201447455A (en
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Yi Wen Chung
Chien He Lai
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Tintable Smart Material Co Ltd
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Priority to FR1555022A priority patent/FR3023386B1/en
Priority to DE102015109409.6A priority patent/DE102015109409B4/en

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    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/15—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on an electrochromic effect
    • G02F1/163—Operation of electrochromic cells, e.g. electrodeposition cells; Circuit arrangements therefor

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)

Description

電致變色元件的控制方法 Control method of electrochromic element

本發明係有關於一種電致變色元件的控制方法，尤其是指一種令電致變色元件在使用上，不論環境溫度的高低、靜置時間的長短、材料老化的程度，皆能將該電致變色元件的著色時間與透光度維持在預定之範圍內，使得其在使用上更為方便，而在其整體施行使用上更增實用功效特性之電致變色元件的控制方法創新設計者。 The invention relates to a method for controlling an electrochromic element, in particular to an electrochromic element, which can be used regardless of the temperature of the environment, the length of the standing time, and the degree of aging of the material. The coloring time and the transmittance of the color changing element are maintained within a predetermined range, making it more convenient to use, and an innovative designer of the electrochromic element control method which is more practical and effective in its use.

按，隨著科技的日新月異，各種特殊的材料被大量的研發出來；其中，電致變色元件是指施加一電壓而呈現可逆式的顏色變化性質，透過驅動電壓達成電致變色元件之著色與去色的反應，將原本的透明無色狀態由通電後變成有色狀態，其結構上係為一種多層式電化學裝置，施加電壓於元件中，藉使元件內的物質產生氧化或還原之可逆反應而導致顏色變化的現象，該電致變色元件可供應用在日常生活之中，若外界陽光太強烈或是想令內部具有隱密性，即 可應用此技術改變玻璃透光度。 According to the rapid development of science and technology, various special materials have been developed. Among them, electrochromic components refer to the application of a voltage to exhibit a reversible color change property, and the color of the electrochromic component is achieved through the driving voltage. The color reaction changes the original transparent colorless state from a charged state to a colored state, and the structure is a multilayer electrochemical device that applies a voltage to the element, causing a reversible reaction of oxidation or reduction of the substance in the element. The phenomenon of color change, the electrochromic element can be used in daily life, if the outside sun is too strong or wants to make the interior secret, ie This technique can be applied to change the transparency of the glass.

其中，該類電致變色元件於操作使用上，其皆係對該電致變色元件輸入正向電源，令該電致變色元件透光度降低、吸光性增加、顏色越深，並對電致變色元件輸入反向電源，令該電致變色元件透光度提高、吸光性減少、顏色越淺，利用反覆對電致變色元件輸入正向或反向電源，讓電致變色元件進行氧化或還原反應，而能達到將該電致變色元件調整至所需透光度之目的。 Wherein, the electrochromic element is used in operation, which inputs a forward power source to the electrochromic element, so that the electrochromic element has reduced transmittance, increased absorbance, darker color, and electro-optical The color changing element is input with a reverse power source to increase the transmittance of the electrochromic element, reduce the light absorption, and the lighter the color, and input the forward or reverse power source to the electrochromic element through the reverse, so that the electrochromic element is oxidized or reduced. The reaction can achieve the purpose of adjusting the electrochromic element to the desired transmittance.

然而，上述電致變色元件雖可利用輸入正向或反向電源之改變，達到調整其透光度之預期功效，但也在其整體實際施行使用上發現，該電致變色元件在操作使用過程中，隨著環境溫度的高低變化、靜置時間的長短、材料老化的程度，皆會影響其著色時間與透光度，造成電致變色元件在操作使用上之極大不便，致令其在整體操作控制上仍存在有改進之空間。 However, although the above electrochromic element can utilize the change of the input forward or reverse power source to achieve the expected effect of adjusting the transmittance, it is also found in the actual practical use of the electrochromic element during operation. In the middle, with the change of the ambient temperature, the length of the standing time, and the degree of aging of the material, it will affect the coloring time and the transmittance, which causes great inconvenience in the operation and use of the electrochromic element, resulting in its overall There is still room for improvement in operational control.

今，發明人秉持多年該相關行業之豐富設計開發及實際製作經驗，針對現有之結構再予以研究改良，提供一種電致變色元件的控制方法，以期達到更佳實用價值性之目的者。 Today, the inventor has long been rich in design and development and practical production experience in this related industry, and has researched and improved the existing structure to provide a control method for electrochromic components in order to achieve better practical value.

本發明之主要目的在於提供一種電致變色元件的控制方法，其主要係能令電致變色元件在使用上，不論環境溫度的高低、靜置時間的長短、材料老化的程度，皆能將該電致變色元件的著色時間與透光度維持在預定之範圍內，使得其在使用上更為方便，而 在其整體施行使用上更增實用功效特性者。 The main object of the present invention is to provide a method for controlling an electrochromic element, which can mainly make the electrochromic element use, regardless of the temperature of the environment, the length of the standing time, and the degree of aging of the material. The coloring time and transmittance of the electrochromic element are maintained within a predetermined range, making it more convenient to use, and Those who have increased utility characteristics in their overall implementation.

本發明電致變色元件的控制方法之主要目的與功效，係由以下具體技術手段所達成：其主要係當電致變色元件著色時，利用偵測元件所偵測的系統溫度訊號，予以改變PWM脈波的責任週期，使得其達到預設的Q值(著色透光度相對應之電荷量)，該，Q為著色透光度相對應之電荷量(mA*Sec)，I為電流(mA)，t為時間(Sec)，Duty為PWM的責任週期(%)，再關閉PWM脈波，即能將該電致變色元件的著色時間與透光度，維持在預定之範圍內。 The main purpose and effect of the control method of the electrochromic element of the present invention are achieved by the following specific technical means: the main purpose is to change the PWM when the electrochromic element is colored, using the system temperature signal detected by the detecting component. The duty cycle of the pulse wave, so that it reaches a preset Q value (the amount of charge corresponding to the coloring transmittance), Q is the amount of charge corresponding to the coloring transmittance (mA*Sec), I is the current (mA), t is the time (Sec), Duty is the duty cycle (%) of the PWM, and then the PWM pulse is turned off. The coloring time and transmittance of the electrochromic element are maintained within a predetermined range.

本發明電致變色元件的控制方法之另一目的與功效，係由以下具體技術手段所達成：其主要係當電致變色元件著色時，利用偵測元件所偵測的電流大小訊號，予以改變PWM脈波的責任週期，使得其達到預設的Q值(著色透光度相對應之電荷量)，該，Q為著色透光度相對應之電荷量(mA*Sec)，I為電流(mA)，t為時間(Sec)，Duty為PWM的責任週期(%)，再關閉PWM脈波，即能將該電致變色元件的著色時間與透光度，維持在預定之範圍內。 Another purpose and effect of the control method of the electrochromic element of the present invention is achieved by the following specific technical means: mainly when the electrochromic element is colored, the current signal detected by the detecting element is changed. The duty cycle of the PWM pulse wave is such that it reaches a preset Q value (the amount of charge corresponding to the coloring transmittance), Q is the amount of charge corresponding to the coloring transmittance (mA*Sec), I is the current (mA), t is the time (Sec), Duty is the duty cycle (%) of the PWM, and then the PWM pulse is turned off. The coloring time and transmittance of the electrochromic element are maintained within a predetermined range.

本發明電致變色元件的控制方法之又一目的與功效，係由以 下具體技術手段所達成：其主要係當電致變色元件著色時，利用偵測元件所偵測的元件端電壓訊號，予以改變PWM脈波的責任週期，使得其達到預設的Q值(著色透光度相對應之電荷量)，該，Q為著色透光度相對應之電荷量(mA*Sec)，I為電流(mA)，t為時間(Sec)，Duty為PWM的責任週期(%)，再關閉PWM脈波，即能將該電致變色元件的著色時間與透光度，維持在預定之範圍內。 Another object and effect of the method for controlling the electrochromic element of the present invention is achieved by the following specific technical means: when the electrochromic element is colored, the component terminal voltage signal detected by the detecting component is used. Changing the duty cycle of the PWM pulse wave so that it reaches a preset Q value (the amount of charge corresponding to the coloring transmittance), Q is the amount of charge corresponding to the coloring transmittance (mA*Sec), I is the current (mA), t is the time (Sec), Duty is the duty cycle (%) of the PWM, and then the PWM pulse is turned off. The coloring time and transmittance of the electrochromic element are maintained within a predetermined range.

第一圖：本發明之電流與時間曲線關係示意圖 First: Schematic diagram of the relationship between current and time curves of the present invention

第二圖：本發明之脈波寬度與時間關係示意圖 Second figure: Schematic diagram of the relationship between pulse width and time of the present invention

為令本發明所運用之技術內容、發明目的及其達成之功效有更完整且清楚的揭露，茲於下詳細說明之，並請一併參閱所揭之圖式及圖號： For a more complete and clear disclosure of the technical content, the purpose of the invention and the effects thereof achieved by the present invention, it is explained in detail below, and please refer to the drawings and drawings:

首先，請參閱第一圖本發明之電流與時間曲線關係示意圖及第二圖本發明之脈波寬度與時間關係示意圖所示，本發明之主要係當電致變色元件著色時，利用偵測元件偵測系統溫度或電流大小或元件端電壓後，予以改變PWM脈波的責任週期，使得其達到預設 的Q值(著色透光度相對應之電荷量)，再關閉PWM脈波，即能將該電致變色元件的著色時間與透光度，維持在預定之範圍內。 First, please refer to the first diagram of the present invention, the current and time curve relationship diagram and the second diagram of the present invention, the pulse width and time relationship diagram, the main purpose of the present invention is when the electrochromic element is colored, using the detection component After detecting the temperature or current of the system or the voltage of the component terminal, change the duty cycle of the PWM pulse wave so that it reaches the preset The Q value (the amount of charge corresponding to the coloring transmittance), and then turning off the PWM pulse wave, can maintain the coloring time and transmittance of the electrochromic element within a predetermined range.

而本發明之Q值(著色透光度相對應之電荷量)計算方式請參閱下列公式： For the calculation method of the Q value (the amount of charge corresponding to the coloring transmittance) of the present invention, please refer to the following formula:

其中，該 Among them, the

Q：著色透光度相對應之電荷量(mA*Sec) Q: the amount of charge corresponding to the coloring transmittance (mA*Sec)

I：電流(mA) I: current (mA)

t：時間(Sec) t: time (Sec)

Duty：PWM的責任週期(%) Duty: PWM duty cycle (%)

以環境溫度對該電致變色元件所造成之變色速度影響為例，一般情況下低溫環境會使電致變色元件的變色速度變慢，而無法達到最佳使用狀態，但高溫環境卻會使電致變色元件的變色速度變快，導致該電致變色元件加速毀損，所以透過控制Duty(PWM的責任週期)可使電致變色元件保持預定的效果。使得本發明在施行操作上依序以60℃、25℃、-10℃與PWM Duty=50.0%、58.6%、99.1%交叉測試，並記錄其著色時間，可得數據如下： Taking the influence of the ambient temperature on the color change speed caused by the electrochromic element as an example, in general, the low temperature environment may cause the discoloration speed of the electrochromic element to be slow, and the optimal use state may not be achieved, but the high temperature environment may cause electricity. The discoloration speed of the color-changing element becomes faster, causing the electrochromic element to be accelerated and damaged, so that the electrochromic element can maintain a predetermined effect by controlling Duty (the duty cycle of the PWM). The present invention is subjected to cross-testing with PWM Duty=50.0%, 58.6%, and 99.1% in sequence at 60 ° C, 25 ° C, and -10 ° C in the operation, and the coloring time is recorded, and the obtained data are as follows:

藉由以上所述，本發明之使用實施說明可知，本發明與現有實施方式相較之下，本發明主要係能令電致變色元件在使用上，不論環境溫度的高低、靜置時間的長短、材料老化的程度，皆能將該電致變色元件的著色時間與透光度維持在預定之範圍內，使得其在使用上更為方便，而能在其整體施行使用上更增實用便利性者。 Based on the above description of the use of the present invention, it can be seen that the present invention mainly enables the electrochromic element to be used regardless of the temperature of the environment and the length of the standing time as compared with the prior embodiment. The degree of aging of the material can maintain the coloring time and transmittance of the electrochromic element within a predetermined range, making it more convenient to use, and more practical convenience in its overall application. By.

然而前述之實施例或圖式並非限定本發明之產品結構或使用方式，任何所屬技術領域中具有通常知識者之適當變化或修飾，皆應視為不脫離本發明之專利範疇。 However, the above-described embodiments or drawings are not intended to limit the structure or the use of the present invention, and any suitable variations or modifications of the invention will be apparent to those skilled in the art.

綜上所述，本發明實施例確能達到所預期之使用功效，又其所揭露之具體構造，不僅未曾見諸於同類產品中，亦未曾公開於申請前，誠已完全符合專利法之規定與要求，爰依法提出發明專利之申請，懇請惠予審查，並賜准專利，則實感德便。 In summary, the embodiments of the present invention can achieve the expected use efficiency, and the specific structure disclosed therein has not been seen in similar products, nor has it been disclosed before the application, and has completely complied with the provisions of the Patent Law. And the request, the application for the invention of a patent in accordance with the law, please forgive the review, and grant the patent, it is really sensible.

Claims (3)

一種電致變色元件的控制方法，其主要係當電致變色元件著色時，利用偵測元件所偵測的系統溫度訊號，予以改變PWM脈波的責任週期，使得其達到預設的Q值(著色透光度相對應之電荷量)，該，Q為著色透光度相對應之電荷量(mA*Sec)，I為電流(mA)，t為時間(Sec)，Duty為PWM的責任週期(%)，再關閉PWM脈波，即能將該電致變色元件的著色時間與透光度，維持在預定之範圍內。 A method for controlling an electrochromic element, mainly when the electrochromic element is colored, using a system temperature signal detected by the detecting element to change the duty cycle of the PWM pulse wave so that it reaches a preset Q value ( Coloring transmittance corresponding to the amount of charge), Q is the amount of charge corresponding to the coloring transmittance (mA*Sec), I is the current (mA), t is the time (Sec), Duty is the duty cycle (%) of the PWM, and then the PWM pulse is turned off. The coloring time and transmittance of the electrochromic element are maintained within a predetermined range. 一種電致變色元件的控制方法，其主要係當電致變色元件著色時，利用偵測元件所偵測的電流大小訊號，予以改變PWM脈波的責任週期，使得其達到預設的Q值(著色透光度相對應之電荷量)，該，Q為著色透光度相對應之電荷量(mA*Sec)，I為電流(mA)，t為時間(Sec)，Duty為PWM的責任週期(%)，再關閉PWM脈波，即能將該電致變色元件的著色時間與透光度，維持在預定之範圍內。 A method for controlling an electrochromic element, mainly when the electrochromic element is colored, using a current signal detected by the detecting element to change the duty cycle of the PWM pulse wave so that it reaches a preset Q value ( Coloring transmittance corresponding to the amount of charge), Q is the amount of charge corresponding to the coloring transmittance (mA*Sec), I is the current (mA), t is the time (Sec), Duty is the duty cycle (%) of the PWM, and then the PWM pulse is turned off. The coloring time and transmittance of the electrochromic element are maintained within a predetermined range. 一種電致變色元件的控制方法，其主要係當電致變色元件著色時，利用偵測元件所偵測的元件端電壓訊號，予以改變PWM脈波的責任週期，使得其達到預設的Q值(著色透光度相對應之電荷量)，該，Q為著 色透光度相對應之電荷量(mA*Sec)，I為電流(mA)，t為時間(Sec)，Dutv為PWM的責任週期(%)，再關閉PWM脈波，即能將該電致變色元件的著色時間與透光度，維持在預定之範圍內。 A method for controlling an electrochromic element, mainly when the electrochromic element is colored, using a voltage signal of the component end detected by the detecting component to change the duty cycle of the PWM pulse wave so that it reaches a preset Q value (the amount of charge corresponding to the coloring transmittance), Q is the amount of charge corresponding to the coloring transmittance (mA*Sec), I is the current (mA), t is the time (Sec), Dutv is the duty cycle (%) of the PWM, and then the PWM pulse is turned off. The coloring time and transmittance of the electrochromic element are maintained within a predetermined range.
TW103122918A 2014-07-02 2014-07-02 Method for controlling electrochromic element TWI480659B (en)

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DE102015109409A1 (en) 2016-01-07
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FR3023386A1 (en) 2016-01-08
DE102015109409B4 (en) 2018-10-04

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