TWI334975B - Heat dissipation device - Google Patents

Heat dissipation device Download PDF

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Publication number
TWI334975B
TWI334975B TW96130530A TW96130530A TWI334975B TW I334975 B TWI334975 B TW I334975B TW 96130530 A TW96130530 A TW 96130530A TW 96130530 A TW96130530 A TW 96130530A TW I334975 B TWI334975 B TW I334975B
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Taiwan
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section
coil
magnetic
magnetic field
heat
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TW96130530A
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Chinese (zh)
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TW200910054A (en
Inventor
Shaw Fuu Wang
Ting Chiang Huang
Shih Chen Shen
Sheng Jie Syu
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Inventec Corp
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1334975 九、發明說明: ,1334975 IX. Description of invention:

I 【發明所屬之技術領域】 本發明係有關於一種散熱裝置,特別是有關於一種應用於可 攜式電子裝置之散熱裝置。 【先前技術】 . 隨著目前電子科技的快速發展,以及消費者對於消費性電子 產品的輕薄便攜益趨重視,造就了現今電子產品,如筆記型電腦' Φ 超便攜電腦(ultra mobile personal computer,y^pc)、PDa 等可攜 式電子裝置,皆已逐漸朝向微小化發展,對於需要經常在外的使 -用者來說,可攜式電子產品變的更易攜帶,大幅提升使用上的方 * 便性。 、乂超便攜電腦為例’由於電腦裝置内部電子元件的運算速度 加上電子元件的體積微小,連帶使得單位面積的發熱i ’如林及時將熱能散除,過高的溫度將嚴重影響到電 辦,㈣咖㈣使用壽命 裝置内的产卢、®* 進仃散熱,同時降低電腦 必要的電^=然而’麵式電财朗體積_,扣除掉 由空間相當有限輯工間,其機體内部的自 若是考旦當風扇有一定的困難性。 風扇進行置Γ的贿轉’勢必要使用較為大型的 如此—來,電腦裝置内部的電路必須配合風扇而 1334975 改變原本⑽線位置,使㈣造成本提高,亦造減腦裝置的體 積隨著風躺設置吨增加,並不符合目朗費者要求電子產品輕 薄短小的需求;若是考慮電腦裝置内部的電路佈線及體積問題, 而選用微型餘風扇,其散熱效率㈣無法滿足高熱能微型電子 元件的散熱需求。 . f用散熱朗於運轉時所導人的空氣,會與外殼及流道等機 構件相互摩擦,而產生-定頻率的脅音。輕薄型態的超便攜電腦 _内裝設散熱風扇,其風扇所產生的噪音將不會遭受太多的阻播, 而可直接傳遞至裝置外部,造成相當嚴重的噪音問題。此噪音問 •題是目前相關領域技術人員亟欲克服的問題之一。 【發明内容】 鑒於以上_題,本發明提供—種散紐置,藉以改良習知 應用於可狱電子裝散絲置,其f子裝置㈣的電路佈線 與電子元件的配置’因散熱裝置佔據過多的内部空間而受到限 •制、散熱效率不佳、以及產生的嗓音過大等問題。 本發明之散缝置,係可承接—週祕魏,⑽電路板上 之至少一發熱元件進行散熱。散熱裝置包括有至少-線圈及至少 一擺動片’線_用以接收電源,並產生—磁動 固定段及一自固定段延㈣動段。其中,咖:二 路板上,亚使_縣雜置並職於制,活動段受磁場的磁 力作用而產生反覆擺動,並且形成一朝向發熱元件吹送之氣流。 本發明所揭露之散熱裝置的體積輕薄,並可以模組化進行組 裝’以使可攜錢子裝置之體積更為_化。另外,擺動月係藉 6 1334975 由磁力作用而產生導熱氣流,不僅改善了習用散熱風扇產生過大 的噪音的問題,同時大幅降低散熱裝置作動所需的耗電量。 以上之關於本發明内容之說明及以下之實施方式之說明係用 以示範與解釋本發明之原理,並且提供本發明之專利申請範圍更 進—步之解釋。 【實施方式】 根據本發明所揭露之散熱裝置,係用以散除電子裝置所產生 •之熱量,此電子裝置包括但不侷限於超便攜電腦(UMPC)、個人電 腦、筆記型電腦、PDA等可攜式電子襞置。以下本發明的詳細說 -明中,將以超便攜電腦做為本發明之最佳實施例。然而所附圖式 、 僅提供參考與說明用,並非用以限制本發明。 。月參閱第1A圖」及「第1B圖」之分解示意圖。如圖所示, 本發明所揭露第一實施例之散熱裝置丨〇〇,係設置於電子裝置如〇 内,並承接一週期性電源,以散除電路板21〇上之至少一發熱元 _件220所產生的熱能。其中所述之週期性電源可為具有連續之複 數個供電區間與未供電區間之概性電源,或者是具能定電= ‘週期之交流電源’如正弦波之電源’前述之週期性可為固定週期 或非固定週期,亦可為脈波寬度調變(Pulse MM咖⑽ PWM)訊號;週期性電源係經由基本輸人/輸出系統(驗 I_/〇m_System ’ BI〇S)控雛供電區間及未供電區間的時脈 長短’或者是交流電源之正、負半週期的時間長短,使得電能以、 穩定的供電週期輸出至散熱裝置100。 如「第u圖」、「第m圖」、「第2A圖」'及「第2B圖」所 7 不’本發明第一實施例之散熱裝置包括有至少-線圏110及 至少—撮動片m。線圈110係設置於電路极训上,並鄰心 發熱轉220,線圈110與電路板21〇之電路相互電性連接,以 _圈m與電路板21〇之間進行電訊號的傳遞。本發明之線圈 〇可以接、直接成形等方式設置於電路板2】〇上。 線圈no透過電路板210而接收電源,並產生一磁場。本發 明所揭露之線圈】10除了電性設置於祕板2H)上,更可依8㈣ 際的散熱需求,而設置於電子裝置之殼體内側等處,並^ 收電源而產生-磁場,並不以本實施例為限。 請繼續參閱「第1A圖」及「第出圖」,本發明之磁性元件 140可為永久磁鐵或是線圈導線,永久磁鐵可Μ與磁場相互作 用’而帶動活動段122反覆鶴咖導線須與-電源電性連接, 碌續導通-導線中而產越性,方可與線圈110之 磁场相互作用。 擺動片120係為一彈性材料,以使擺動片12〇具有良好的變 形彈性。擺動件120具有一固定段121及-自固定段121延伸之 活動I又122其中活動段122之表面積係大於固定段m之表面 積’且活動段122之職可為卿、弧形㈣於產生氣流的外形, 但並不以此為限。 /電路板210上裝設有一支樓塊⑽,擺動片m之固定段m 係固設於支撑塊130上,以俘牲、、壬 上以保持活動段122以一間距懸置並對魚 於線圈mm支魏⑽為—_材糊免 電路板別造成短路的問題。於活動段叫目對於線圈no之- 叫4975 側上設有-磁性元件刚,以與線圈11〇所產生之磁場相互作用, 致使活動段⑵根據間歇性電源之供電區間而朝向線圈⑽方向 變形’並於未供電區睛回復至初始狀態,而使得活動段 磁力的反覆作用而間歇地上下擺動,以產生—朝向發敎元件22〇 吹送之氣流。 或者是’線圈no係接收交流電源所提供之電能,而擺動片 12〇之活純〗22_近於、侧則。當賴⑽根據交流電源之 電流週期,而交錯產生與磁性元件14〇相斥及相吸之磁場,當線 圈m產域雖元件】4G相斥之磁場時,活動段〗22被推抵, 而朝向遠離線圈110方向變形;當線圈11〇接著產生與磁性元件 mo相吸之磁場時,遠離線圈11〇之活動段122被線圈⑽吸引, 而,向線圈110方向變形,活動段122反覆地受線圈n〇的不同 、聂方向的作用而上下擺動,以產生朝向發熱元件22〇吹送之氣 流。 一此外’擺動片120的擺動頻率係根據電源之供電週期所決 定’ ^擺動片12Q之擺動幅度係取決於線圈11G所產生之磁場強 度仔以控制擺動片12〇僅於初始擺設位置以下的範圍内進行擺 動擺動片120不致因擺動所產生的慣性作用,而撞擊到電子裝 置砍體’相當適用於内部空間狹小的電子裝置200中。 第3A圖」及「第3B圖」所示為本發明第二實施例之側視 圖,發明之擺動片120可為一導磁材料所製成之薄片,且此導 :材:更可選用具導磁性質之鐵磁性金屬材料,以使擺動片120 、有‘磁及彈性變形的材料特性。擺動片⑽係'懸置且對應於線 1334975 以使擺動片 並產生一對 圈h〇上方,並與線圈n〇所產生之磁場相互作周 120之活動段122受磁場的磁力作用而地上下擺動 發熱元件220進行散熱之氣流。 也 第4A圖」及「第4B圖」所示為本發明第三 圖。其中更可於活動段陶分表面包覆-導:材:: 置對應於線圈no之活動段122,因磁場的磁力作用而地上下^ 動,亚產生-對發熱it件22G進行散熱之氣流。BACKGROUND OF THE INVENTION 1. Field of the Invention This invention relates to a heat sink, and more particularly to a heat sink for use in a portable electronic device. [Prior Art] With the rapid development of electronic technology and consumers paying more attention to the thin and light portable consumer electronics products, today's electronic products, such as notebook computer Φ ultra mobile personal computer (ultra mobile personal computer, Portable electronic devices such as y^pc) and PDa have gradually evolved toward miniaturization. For users who need to be constantly outside, portable electronic products are more portable and greatly improved. Convenience. For example, the ultra-portable computer is used as an example. Office, (four) coffee (four) life-saving device in the production of Lu, ® * heat dissipation, while reducing the necessary power of the computer ^ = However, the 'face type electric lang volume _, deducted from the space is quite limited, the interior of the machine The self-confidence is the test of the fan when the fan has certain difficulties. The fan's bribery is set to use a relatively large size. The circuit inside the computer device must match the fan and the 1334975 changes the original (10) line position, so that (4) causes the increase, and also reduces the volume of the brain device with the wind. The increase in the number of lie sets does not meet the requirements of the light and short electronic products required by the target users; if the circuit wiring and volume problems inside the computer device are considered, and the micro-fans are selected, the heat dissipation efficiency (4) cannot meet the requirements of high thermal energy microelectronic components. Cooling requirements. f The air that is used to dissipate heat during operation will rub against the components such as the outer casing and the flow path to generate a constant frequency. Lightweight and ultra-portable computer _ Built-in cooling fan, the noise generated by the fan will not suffer from too much blocking, but can be directly transmitted to the outside of the device, causing quite serious noise problems. This noise question is one of the problems that technicians in the relevant fields are currently trying to overcome. SUMMARY OF THE INVENTION In view of the above-mentioned problems, the present invention provides a kind of scatter-and-position, whereby the improved conventional application is applied to a prison electronic device, and the circuit layout of the sub-device (4) and the arrangement of the electronic components are occupied by the heat sink. Excessive internal space is limited by the system, the heat dissipation efficiency is not good, and the resulting noise is too large. The splice device of the present invention can undertake heat dissipation by at least one heat generating component on the circuit board of Zhou Miwei (10). The heat dissipating device comprises at least a coil and at least one wobble piece 'wire _ for receiving power, and generating a magnetic fixed segment and a self-fixing segment extending (four) moving segment. Among them, the coffee: the second board, the Asian _ county mixed with the system, the active section is subjected to the magnetic force of the magnetic field to produce a repetitive swing, and forms a gas stream that is blown toward the heating element. The heat dissipating device disclosed in the present invention is light in size and can be modularly assembled to make the volume of the portable money device more compact. In addition, the swinging moon system uses 6 1334975 to generate a heat-conducting airflow by magnetic force, which not only improves the problem of excessive noise generated by the conventional heat-dissipating fan, but also greatly reduces the power consumption required for the heat-dissipating device to operate. The above description of the present invention and the following description of the embodiments of the present invention are intended to illustrate and explain the principles of the invention. [Embodiment] The heat dissipating device disclosed in the present invention is used for dissipating heat generated by an electronic device, including but not limited to an ultra-portable computer (UMPC), a personal computer, a notebook computer, a PDA, etc. Portable electronic device. DETAILED DESCRIPTION OF THE INVENTION In the following, a super portable computer will be described as a preferred embodiment of the present invention. The drawings, however, are for the purpose of illustration and description only, . Please refer to the exploded view of Figure 1A and Figure 1B for the month. As shown in the figure, the heat dissipating device of the first embodiment of the present invention is disposed in an electronic device such as a crucible and receives a periodic power source to dissipate at least one heat generating element on the circuit board 21 The heat energy generated by piece 220. The periodic power source may be a generalized power source having a continuous plurality of power supply sections and unpowered sections, or a power source capable of setting a power = 'periodic AC power source' such as a sine wave. Fixed period or non-fixed period, can also be pulse width modulation (Pulse MM coffee (10) PWM) signal; periodic power supply through the basic input / output system (test I_ / 〇 m_System 'BI 〇 S) control power supply interval The length of the clock in the unpowered section is the length of the positive and negative half cycles of the AC power source, so that the power is output to the heat sink 100 in a stable power supply cycle. For example, in the "figure u", "m", "2A" and "2B", the heat sink of the first embodiment of the present invention includes at least a coil 110 and at least a tilting Sheet m. The coil 110 is disposed on the circuit pole training, and is adjacent to the heat transfer 220. The coil 110 and the circuit of the circuit board 21 are electrically connected to each other, and the electrical signal is transmitted between the _ turn m and the circuit board 21 。. The coil 本 of the present invention can be placed on the circuit board 2 by means of connection, direct molding or the like. The coil no receives power through the circuit board 210 and generates a magnetic field. The coil disclosed in the present invention 10 is electrically disposed on the secret panel 2H), and can be disposed on the inner side of the casing of the electronic device according to the heat dissipation requirement of 8 (four), and receives a power source to generate a magnetic field, and It is not limited to this embodiment. Please continue to refer to "1A" and "Picture". The magnetic component 140 of the present invention can be a permanent magnet or a coil wire. The permanent magnet can interact with the magnetic field to drive the active segment 122 to overlap the crane wire. - The electrical connection of the power supply, continuous conduction - in the wire, and the ability to interact with the magnetic field of the coil 110. The oscillating piece 120 is an elastic material so that the oscillating piece 12 〇 has good deformation elasticity. The oscillating member 120 has a fixed section 121 and an activity I and 122 extending from the fixed section 121, wherein the surface area of the movable section 122 is larger than the surface area of the fixed section m and the active section 122 can be a clear, curved (four) to generate airflow. The shape, but not limited to it. The circuit board 210 is provided with a building block (10), and the fixed section m of the swinging piece m is fixed on the supporting block 130 to capture the ball, and the upper part is suspended to keep the movable section 122 at a pitch and the fish is The coil mm support Wei (10) is a problem of short circuit caused by the circuit board. In the active section, for the coil no - the 4975 side is provided with a magnetic element, which interacts with the magnetic field generated by the coil 11〇, causing the active section (2) to deform toward the coil (10) according to the power supply interval of the intermittent power source. 'And returning to the initial state in the unpowered area, and causing the magnetic force of the movable section to repeatedly swing up and down to generate - the airflow blown toward the hairpin element 22〇. Or the 'coil no' receives the power supplied by the AC power source, and the swing piece 12〇 is purely 22_ near and on the side. When Lai (10) according to the current cycle of the AC power source, staggered to generate a magnetic field that repels and attracts the magnetic element 14 ,, when the coil m is in the domain of the component 4G repels the magnetic field, the active segment 22 is pushed, and Deviating away from the coil 110; when the coil 11 subsequently generates a magnetic field that is attracted to the magnetic element mo, the movable section 122 away from the coil 11 is attracted by the coil (10), and is deformed toward the coil 110, and the movable section 122 is repeatedly received. The coil n turns and swings up and down in response to the action of the Nie direction to generate an air flow that is blown toward the heat generating element 22 . In addition, the swing frequency of the swinging piece 120 is determined according to the power supply period of the power supply. ^ The swing amplitude of the swinging piece 12Q depends on the magnetic field strength generated by the coil 11G to control the swinging piece 12 to be only below the initial setting position. The swinging swinging piece 120 is not subjected to the inertia caused by the swing, and the impact to the electronic device chopping body is quite suitable for the electronic device 200 having a small internal space. 3A and 3B are side views of a second embodiment of the present invention. The swinging piece 120 of the present invention can be a sheet made of a magnetically permeable material, and the guide material: more optional A ferromagnetic metallic material that is magnetically permeable so that the wobble piece 120 has material properties that are 'magnetically and elastically deformed. The oscillating piece (10) is suspended and corresponds to the line 1334975 so that the oscillating piece generates a pair of turns h ,, and the movable section 122 of the circumference 120 of the magnetic field generated by the coil n 受 is subjected to the magnetic force of the magnetic field. The swaying heating element 220 performs a heat flow of heat. Also, Fig. 4A and Fig. 4B show a third diagram of the present invention. Among them, it can be coated on the surface of the active section of the pottery-conducting material:: The movable section 122 corresponding to the coil no is moved up and down due to the magnetic force of the magnetic field, and the sub-generation-heating of the heat generating element 22G .

⑽閱㈣圖」至「第5C圖」之不同型態擺動片之側視 圖。本發明之擺動片120更包含有—分別銜接於蚊段ΐ2ι輕 動段122二相對端面之撓性段123,其中具有固定段ΐ2ι、活動段 122、及撓性段123之擺動片可為_體成型結構;或者是,挽性^ 123之材質係不同於固定段121與活動段122之材質,且 123之彈性變性係數係大於固定段121與活動段122,以使擺動片 120的獅效果更符合散熱需求。此外,挽性段123更可設計為, 撓性^又12:»平行於擺動方向之截面積(cr〇ss secti〇n)小於固定段 及活動段122,以使活動段122於擺動時更具散熱效率,並且節 省電子裝置200之耗電量。 相較於習知技術,本發明之散熱裝置的體積輕薄且結構簡 單’致使可狱電子裳置之體積得以薄型化,且藉由擺動片反覆 擺動所產生之氣流進行散熱的方式,不僅改善了習用散熱風扇因 空氣摩擦而產生過大的%音,以及風扇於運轉時耗費過多電能的 問題。 雖然本發明之貫施例揭露如上所述,然並非用以限定本發 任何熟習相關技藝者,在不脫離 凡佐本發明中請範_述之形狀、如Ί積神和範圍内,舉 之變更,因此本發明之專利保護_彡=域及精神當可做些許 刊範圏所界定者為準。 '尺尽况明書所附之申請專 【圖式簡單說明】 圖為本發明第-實施例之散鉍置之 B圖為本發明第一實施例之散熱裝、以圖, J 7為本發明第一實施例之散熱裝置意圖; 昂』圖為本發明第_實施例 h圖為本發明第二實施例之散二:置置3=態之侧視圖; a圖為本發明第二實施例之作: ==—,裝置之:·’ =B圖為本發明第三實施例之散熱裝置於 W圖為本發明不同型態之擺動片之側視圖;視圖; 弟5B圖為本發明不同型態之擺動片之側視圖;以及 弟5C圖為本發明不_態之擺動片之側視圖。 【主要元件符號說明】 100 110 120 121 散熱裝置 線圈 擺動片 固定段 活動段 122 1334975 123 撓性段 130 支撐塊 140 磁性元件 150 金屬材料 200 電子裝置 210 電路板 220 發熱元件(10) A side view of different types of swinging pieces from (4) to "5C". The swinging piece 120 of the present invention further comprises a flexible section 123 respectively connected to the opposite end faces of the mosquito section ι2ι light moving section 122, wherein the swinging piece having the fixed section ΐ2ι, the movable section 122, and the flexible section 123 can be _ The body-forming structure; or the material of the pull-up ^ 123 is different from the material of the fixed section 121 and the movable section 122, and the elastic denaturation coefficient of 123 is greater than the fixed section 121 and the movable section 122, so that the lion effect of the swinging piece 120 More in line with cooling needs. In addition, the tractable section 123 can be designed such that the cross-sectional area (cr〇ss secti〇n) parallel to the oscillating direction is smaller than the fixed section and the movable section 122, so that the movable section 122 is more oscillated. It has heat dissipation efficiency and saves power consumption of the electronic device 200. Compared with the prior art, the heat dissipating device of the present invention is light in size and simple in structure, so that the volume of the jail electronic device is thinned, and the heat generated by the swinging of the wobble plate is not improved. The conventional cooling fan generates excessive % sound due to air friction and the problem that the fan consumes too much power during operation. Although the embodiments of the present invention are disclosed as described above, it is not intended to limit the scope of the invention, and the scope of the invention, such as the hoarding and the scope, Changes, therefore, the patent protection of the present invention _ 彡 = domain and spirit can be defined as a number of publications. BRIEF DESCRIPTION OF THE DRAWINGS The drawings of the first embodiment of the present invention are the same as the heat dissipation package of the first embodiment of the present invention, and J 7 is the first invention of the present invention. The heat dissipating device of an embodiment is intended to be the first embodiment of the present invention. The figure is a side view of the second embodiment of the present invention: a side view of the set 3 = state; The following is a side view of a different type of swinging piece according to the present invention; FIG. 5B is a different type of the present invention. A side view of the swinging piece; and a side view of the swinging piece of the present invention. [Main component symbol description] 100 110 120 121 Heat sink Coil Wobble plate Fixed section Active section 122 1334975 123 Flexible section 130 Support block 140 Magnetic element 150 Metal material 200 Electronics 210 Circuit board 220 Heating element

Claims (1)

1334975 99年9月17日替換頁 十、申請專利範圍: .一種散熱裝置’絲接—週雛電源,以對位在—電路板上之 至少-發熱元件進行散熱,該散錄置包括有: 一支撐塊,設置於該電路板上; 至少一線圈,係接收該週期性電源,以產生一磁場;以及 至少一擺動片’該擺動片具有一固定段及一自該固定段延 伸之活動段,該固定段係固設於該支撐塊上以使該活動段保 持懸置並對應於該線圈’該活動段係受該磁場之磁力作用而反 覆擺動’以形成一氣流。 2.如申请專纖圍第丨項所述之散熱裝置,其巾該活動段一側設 置有一對應於該線圈之磁性元件,以使該活動段受該磁場之磁 力作用而反覆擺動。 3·如申請專利範_ 2項所述之散熱裝置,其中該磁性元件係為 一永久磁鐵。 4· ^申請專利範圍第2柄述之散熱裝置,其中該磁性元件係為 線圈導線,並與_電源電性連接’以導通—電流至該線圈導 線而產生磁性。 .^申請專利範圍第丨項所述之散熱裝置,其中該擺動片係為一 導磁材料’以使該活動段受該磁場之磁力作用而反覆擺動。 =申請專概_丨_述之散置,其巾魅動段之部分 ^面具有-導磁材料’以使該活動段受該磁場之磁力作用而反 7·如申請專利範圍第1項所述之散_置,其中該擺動片更包含 13 1334975 99年9月17日替換頁 有-銜接於該©定段及該㈣段之撓性段,以使該活動段得以 藉該撓性段而擺動。 8‘如申請專利範圍第7顧述之散熱裝置,其中該撓性段之材質 係相異於該活動段及該固定段之材質。 9.7請糾棚第7摘述之散絲置,其㈣魏 積小於該固定段之截面積。 10.如申請專利範圍第7項所述之散熱裝置,复 積小於該活動段之截面積。 "該撓性段之截面1334975 Replacement page on September 17, 1999. Scope of application: A heat sink 'wire-to-week power supply to dissipate heat from at least the heating element on the board. The scatter includes: a support block disposed on the circuit board; at least one coil receiving the periodic power source to generate a magnetic field; and at least one swing piece having a fixed segment and an active segment extending from the fixed segment The fixing section is fixed on the support block to keep the movable section suspended and corresponding to the coil 'the active section is repeatedly oscillated by the magnetic force of the magnetic field to form a gas flow. 2. The heat dissipating device according to the item of the invention, wherein the movable section is provided with a magnetic element corresponding to the coil so that the movable section is repeatedly oscillated by the magnetic force of the magnetic field. 3. The heat sink of claim 2, wherein the magnetic component is a permanent magnet. 4· ^ Patent Application No. 2, the heat dissipating device described above, wherein the magnetic element is a coil wire and is electrically connected to a power source to conduct a current to the coil wire to generate magnetism. The heat dissipating device of claim 2, wherein the oscillating piece is a magnetically permeable material such that the movable section is repeatedly oscillated by the magnetic force of the magnetic field. = Application for the _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ The oscillating piece further includes 13 1334975. The replacement page of September 17, 1999 has a flexible section that is coupled to the © section and the (four) section, so that the movable section can borrow the flexible section. And swing. 8 'A heat sink according to the seventh aspect of the patent application, wherein the material of the flexible section is different from the material of the movable section and the fixed section. 9.7 Please correct the loose wire set in the seventh section of the shed, where (4) the Wei product is smaller than the cross-sectional area of the fixed section. 10. The heat sink of claim 7, wherein the regenerative material is smaller than the cross-sectional area of the active section. "The section of the flexible section
TW96130530A 2007-08-17 2007-08-17 Heat dissipation device TWI334975B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102595854A (en) * 2011-01-18 2012-07-18 技嘉科技股份有限公司 Magnetomotive radiating module
TWI454620B (en) * 2012-07-10 2014-10-01 Hsiao Kang Ma Magnetic-force interactive fan

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI487838B (en) * 2010-04-26 2015-06-11 鴻準精密工業股份有限公司 Heat dissipation device and airflow generator thereof
TWI583913B (en) * 2014-08-29 2017-05-21 台達電子工業股份有限公司 Heat dissipation device
TWI563369B (en) * 2014-12-31 2016-12-21 Hsien Chin Su Compensating method of power frequency for heat dissipating device and heat dissipating system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102595854A (en) * 2011-01-18 2012-07-18 技嘉科技股份有限公司 Magnetomotive radiating module
CN102595854B (en) * 2011-01-18 2015-09-30 技嘉科技股份有限公司 Magnetomotive radiating module
TWI454620B (en) * 2012-07-10 2014-10-01 Hsiao Kang Ma Magnetic-force interactive fan

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