TWI701325B - Thermal phase change heat storage module - Google Patents
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- TWI701325B TWI701325B TW108112999A TW108112999A TWI701325B TW I701325 B TWI701325 B TW I701325B TW 108112999 A TW108112999 A TW 108112999A TW 108112999 A TW108112999 A TW 108112999A TW I701325 B TWI701325 B TW I701325B
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- 230000008859 change Effects 0.000 title claims abstract description 45
- 238000005338 heat storage Methods 0.000 title claims abstract description 43
- 239000012782 phase change material Substances 0.000 claims abstract description 38
- 239000000463 material Substances 0.000 claims abstract description 23
- 239000000835 fiber Substances 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 5
- 230000008569 process Effects 0.000 claims abstract description 5
- 239000000758 substrate Substances 0.000 claims description 10
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 6
- 239000004642 Polyimide Substances 0.000 claims description 5
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 5
- 229920001721 polyimide Polymers 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 239000002086 nanomaterial Substances 0.000 claims description 4
- 239000012188 paraffin wax Substances 0.000 claims description 4
- -1 polyethylene terephthalate Polymers 0.000 claims description 4
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 3
- 239000004917 carbon fiber Substances 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 3
- 239000004745 nonwoven fabric Substances 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 3
- 239000010410 layer Substances 0.000 description 31
- 238000006243 chemical reaction Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000013021 overheating Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 229920004933 Terylene® Polymers 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000011232 storage material Substances 0.000 description 1
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Abstract
一種熱相變儲熱模組,包含一導熱外層及一儲熱結構。該導熱外層適用於接觸至少一熱源。該儲熱結構設置於該導熱外層中,並包括一纖維基材及一熱相變材。該纖維基材設置於該導熱外層中,並讓該熱相變材附著於上。該熱相變材能在相變過程中維持於特定溫度下吸收熱量。A thermal phase change heat storage module includes a heat conducting outer layer and a heat storage structure. The thermally conductive outer layer is suitable for contacting at least one heat source. The heat storage structure is arranged in the heat conducting outer layer and includes a fiber base material and a thermal phase change material. The fibrous base material is arranged in the thermally conductive outer layer, and the thermal phase change material is attached to it. The thermal phase change material can maintain a specific temperature during the phase change process and absorb heat.
Description
本發明是有關於一種儲熱模組,特別是指一種熱相變儲熱模組。The invention relates to a heat storage module, in particular to a thermal phase change heat storage module.
現今電子裝置的運作功能日益複雜,因而需要設置眾多高性能之零組件以實現其裝置功能。然而,高性能零組件通常是在高功率狀態下運作,如此會伴隨大量的熱能產生,而導致電子裝置的溫度提高。此外,電子裝置的輕薄化發展趨勢,也使得電子裝置特定部位產生的熱能不易散逸。因此,在電子裝置內部的特定零組件如處理晶片、電源模組、電池模組處常會發生局部過熱問題,而影響裝置效能,嚴重的甚至可能會導致零組件毀損、起燃的問題發生。Nowadays, the operating functions of electronic devices are becoming more and more complex, so it is necessary to install many high-performance components to realize the device functions. However, high-performance components usually operate under high-power conditions, which will generate a large amount of heat energy and cause the temperature of the electronic device to increase. In addition, the development trend of lighter and thinner electronic devices also makes it difficult for the heat generated in specific parts of the electronic devices to escape. Therefore, certain components inside electronic devices, such as processing chips, power modules, and battery modules, often have local overheating problems, which affects the performance of the device, and may even cause damage to the components and ignition problems.
因此,本發明之其中一目的,即在提供一種能解決前述問題的熱相變儲熱模組。Therefore, one of the objectives of the present invention is to provide a thermal phase change heat storage module that can solve the aforementioned problems.
於是,本發明熱相變儲熱模組在一些實施態樣中,包含一導熱外層及一儲熱結構。該導熱外層適用於接觸至少一熱源。該儲熱結構設置於該導熱外層中,並包括一纖維基材及一熱相變材。該纖維基材設置於該導熱外層中,並讓該熱相變材附著於上。該熱相變材能在相變過程中維持於特定溫度下吸收熱量。Therefore, in some embodiments, the thermal phase change heat storage module of the present invention includes a thermally conductive outer layer and a heat storage structure. The thermally conductive outer layer is suitable for contacting at least one heat source. The heat storage structure is arranged in the heat conducting outer layer and includes a fiber base material and a thermal phase change material. The fibrous base material is arranged in the thermally conductive outer layer, and the thermal phase change material is attached to it. The thermal phase change material can maintain a specific temperature during the phase change process and absorb heat.
在一些實施態樣中,該纖維基材的材質包含不織布、聚酯纖維、玻璃纖維、金屬纖維、碳纖維的其中一者。In some embodiments, the material of the fiber substrate includes one of non-woven fabric, polyester fiber, glass fiber, metal fiber, and carbon fiber.
在一些實施態樣中,該纖維基材的厚度介於0.01公釐至0.5公釐。In some embodiments, the thickness of the fibrous substrate is between 0.01 mm and 0.5 mm.
在一些實施態樣中,該導熱外層的材質包含銅、鋁、聚對苯二甲酸乙二酯、聚醯亞胺的其中一者。In some embodiments, the material of the thermally conductive outer layer includes one of copper, aluminum, polyethylene terephthalate, and polyimide.
在一些實施態樣中,該導熱外層包括一適用於接觸該熱源的圍壁,該圍壁的厚度不大於0.5公釐。In some embodiments, the thermally conductive outer layer includes a surrounding wall suitable for contacting the heat source, and the thickness of the surrounding wall is not greater than 0.5 mm.
在一些實施態樣中,該熱相變材的材質包含石蠟及具輻射導熱性的奈米碳材。In some embodiments, the material of the thermal phase change material includes paraffin and carbon nanomaterials with radiant thermal conductivity.
在一些實施態樣中,該熱相變材的厚度不小於0.3公釐。In some embodiments, the thickness of the thermal phase change material is not less than 0.3 mm.
本發明至少具有以下功效:該熱相變儲熱模組藉由該熱相變材的設置,在一定程度內可作為用於吸納或釋放熱能的熱庫,因此該熱相變儲熱模組接觸溫度較高的熱源後,能夠吸收熱源的熱能以產生相變反應,且在相變反應過程中會維持在特定溫度不致升高,因此能抑制熱源溫度過高或局部過熱的問題。此外,由於該熱相變材在不同狀態下可能具備流動性,藉由該纖維基材的設置,能夠確保該熱相變材在該導熱外層改變為不同的擺設方位或角度後,仍位於該導熱外層內的預定位置,藉以讓該導熱外層的特定部位接觸熱源後均能將熱能順利傳導至該熱相變材處,因而能實現穩定的吸熱或放熱效果。The present invention has at least the following effects: the thermal phase change heat storage module can be used as a heat reservoir for absorbing or releasing heat energy to a certain extent by the arrangement of the thermal phase change material, so the thermal phase change heat storage module After contacting a heat source with a higher temperature, the heat energy of the heat source can be absorbed to produce a phase change reaction, and the temperature will be maintained at a specific temperature during the phase change reaction without increasing, so the problem of excessive heat source temperature or local overheating can be suppressed. In addition, since the thermal phase change material may have fluidity in different states, the arrangement of the fibrous substrate can ensure that the thermal phase change material is still located at the position after the thermally conductive outer layer is changed to a different orientation or angle. The predetermined position in the thermally conductive outer layer allows specific parts of the thermally conductive outer layer to contact the heat source to smoothly conduct heat energy to the thermal phase change material, thereby achieving a stable heat absorption or heat release effect.
參閱圖1,為本發明熱相變儲熱模組100的一實施例,該熱相變儲熱模組100適用於接觸一或多個熱源200,於本實施例是以多個熱源200為例說明,但不以多個熱源200的實施方式為限。該等熱源200例如分別為一電池模組中的電芯,該熱相變儲熱模組100是以夾設於該等熱源200之間為例說明。然而,視實際需要,該熱相變儲熱模組100可運用於各式不同的熱源200的溫度控管,不以電池模組之實施方式為限。1 is an embodiment of the thermal phase change
該熱相變儲熱模組100包含一導熱外層1及一設置於該導熱外層1中的儲熱結構2。該導熱外層1包括一適用於接觸該等熱源200的圍壁11,該圍壁11的兩端係經密封,其材質包含銅、鋁等金屬材質或聚對苯二甲酸乙二酯(PET)、聚醯亞胺(PI)等材質。在該導熱外層1以銅、鋁等材質製作的實施態樣中,藉由此種高導熱材質的選用,能讓該導熱外層1具備良好的導熱特性。而在該導熱外層1藉由聚對苯二甲酸乙二酯、聚醯亞胺等材質製作的實施態樣中,則方便形塑形狀,且具有成本低廉的優點。以本實施例中,該導熱外層1為扁平中空狀的結構,而且該圍壁11的較佳厚度為不大於0.5公釐,因此該導熱外層1整體為一極為薄型的結構,適用於夾設在該等熱源200之間,而不會過度增加設置該熱相變儲熱模組100所佔用的空間。然而,根據實際需要,該導熱外層1可實現為任意形狀的中空結構,並且能夠視需要調整該圍壁11的厚度,不以特定實施方式為限。另,在一實施態樣中,該導熱外層1的表面還能夠設置圖中未繪製的黏膠層及離型層,以便於將該熱相變儲熱模組100固定於該等熱源200上。The thermal phase change
該儲熱結構2包括一設置於該導熱外層1中的纖維基材21,以及一能附著於該纖維基材21上的熱相變材22。該纖維基材21的材質包含不織布、聚酯纖維(Terylene)、玻璃纖維、金屬纖維、碳纖維的其中一者,且較佳厚度介於0.01公釐至0.05公釐,因而讓該熱相變儲熱模組100適合實現為薄型化的結構。由於該熱相變材22有可能在固態、膠態等不同狀態間變換,並在處於膠態的情況下產生流動性,透過該纖維基材21的設置,能讓該熱相變材2附著於該纖維基材21上,即便該熱相變材22在相變後轉為膠態也不致因產生流動性而大幅改變其在該導熱外層1中的位置,因此在該導熱外層1改變不同的擺設方位或角度後,該熱相變材22仍能根據其附著於該纖維基材21的特性,而大致能維持在該導熱外層1內的預定位置,藉以讓該導熱外層1的各部位接觸該等熱源200後,均能將熱能順利傳導至該熱相變材22處,不會因為特定部位的該熱相變材22流動至該導熱外層1內的其他位置後,讓該導熱外層1內存在局部區域缺少該熱相變材22的狀況,因而讓該熱相變儲熱模組100能夠實現穩定的吸熱或放熱效果。該熱相變材22的材質於本實施例中係包含石蠟及具輻射導熱性的奈米碳材,石蠟是在相變過程中具有高潛熱儲能密度的材料,且溫度變化小熱化學穩定性佳,適合用作儲熱材料,而加入奈米碳材則能增進該熱相變材22整體的導熱性,因而讓該熱相變材22能在相變過程中維持於特定溫度下有效吸收熱量或釋放熱量,並在一定程度內可當作用於吸納或釋放熱能的熱庫。此外,本實施例中該熱相變材22的較佳厚度不小於0.3公釐,讓該熱相變材22具備足夠的體積充當熱庫。據此,該熱相變儲熱模組100接觸溫度較高的該等熱源200後,能由該熱相變材22吸收該等熱源200的熱能以產生相變反應,且該熱相變材22在相變反應過程中會維持在特定溫度不致升高,因此能抑制該等熱源200溫度過高或局部過熱的問題。當該等熱源200為電池模組的電芯時,該熱相變儲熱模組100的設置有助於維持電芯在特定溫度下運作,以提升其效能,並能避免電芯溫度過高時所造成的爆炸等危險。當然,該熱相變儲熱模組100的相關應用不以電池模組為限,上述說明僅為本實施例的示例,不應以此限制本實施例的實施範圍。The
綜合上述,本發明熱相變儲熱模組100藉由該熱相變材22的設置,在一定程度內可作為用於吸納或釋放熱能的熱庫,因此該熱相變儲熱模組100接觸溫度較高的熱源200後,能夠吸收熱源200的熱能產生相變反應,且在相變反應過程中大致會維持在特定溫度不致升高,因此能抑制熱源200溫度過高或局部過熱的問題,確保熱源200的安定性。此外,由於該熱相變材22在不同狀態下可能會產生流動性,藉由該纖維基材21的設置,能夠確保該熱相變材22在該導熱外層1改變為不同的擺設方位或角度後,仍位於該導熱外層1內的預定位置,藉以讓該導熱外層1的各部位接觸熱源200後均能將熱能順利傳導至該熱相變材22處,因而能實現穩定的吸熱或放熱效果。是故,本發明熱相變儲熱模組100確實能達成本發明的目的。Based on the above, the thermal phase change
惟以上所述者,僅為本發明之實施例而已,當不能以此限定本發明實施之範圍,凡是依本發明申請專利範圍及專利說明書內容所作之簡單的等效變化與修飾,皆仍屬本發明專利涵蓋之範圍內。However, the above are only examples of the present invention. When the scope of implementation of the present invention cannot be limited by this, all simple equivalent changes and modifications made in accordance with the scope of the patent application of the present invention and the content of the patent specification still belong to This invention patent covers the scope.
100:熱相變儲熱模組 200:熱源 1:導熱外層 11:圍壁 12:分隔壁 13:分隔空間 2:儲熱結構 21:纖維基材 22:熱相變材 100: Thermal phase change heat storage module 200: heat source 1: Thermally conductive outer layer 11: Wall 12: Partition wall 13: separate space 2: Heat storage structure 21: Fibre substrate 22: Thermal phase change material
本發明之其他的特徵及功效,將於參照圖式的實施方式中清楚地呈現,其中: 圖1是一側剖視示意圖,說明本發明熱相變儲熱模組的一實施例。 Other features and effects of the present invention will be clearly presented in the embodiments with reference to the drawings, in which: FIG. 1 is a schematic side sectional view illustrating an embodiment of the thermal phase change heat storage module of the present invention.
100:熱相變儲熱模組 100: Thermal phase change heat storage module
200:熱源 200: heat source
1:導熱外層 1: Thermally conductive outer layer
11:圍壁 11: Wall
2:儲熱結構 2: Heat storage structure
21:纖維基材 21: Fibre substrate
22:熱相變材 22: Thermal phase change material
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