TW202146833A - Temperature-uniformizing board structure - Google Patents

Temperature-uniformizing board structure Download PDF

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TW202146833A
TW202146833A TW109118314A TW109118314A TW202146833A TW 202146833 A TW202146833 A TW 202146833A TW 109118314 A TW109118314 A TW 109118314A TW 109118314 A TW109118314 A TW 109118314A TW 202146833 A TW202146833 A TW 202146833A
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Taiwan
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sheet body
vapor chamber
groove
chamber structure
sheet
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TW109118314A
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Chinese (zh)
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TWI747305B (en
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洪銀樹
尹佐國
李明聰
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建準電機工業股份有限公司
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Priority to TW109118314A priority Critical patent/TWI747305B/en
Priority to CN202010507555.0A priority patent/CN113758323A/en
Priority to CN202021024954.3U priority patent/CN212431879U/en
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Publication of TWI747305B publication Critical patent/TWI747305B/en
Publication of TW202146833A publication Critical patent/TW202146833A/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
    • F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
    • F28D15/04—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes with tubes having a capillary structure
    • F28D15/046—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes with tubes having a capillary structure characterised by the material or the construction of the capillary structure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
    • F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
    • F28D15/0233—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes the conduits having a particular shape, e.g. non-circular cross-section, annular
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/2029—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant with phase change in electronic enclosures
    • H05K7/20336—Heat pipes, e.g. wicks or capillary pumps

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)

Abstract

A Temperature-uniformizing Board structure is used to solve the problem that it is still easy to deform when it is conventionally thin. The system includes: a first sheet body; and a second sheet body, the first sheet body and the second sheet body respectively have a groove, the periphery of the groove has a ring edge, the first sheet body and the second sheet body The body is combined to form a cavity from the groove, the groove of the first sheet body and the groove of the second sheet body each have at least one support rib, and the two ends of each support rib extend to the ring sides of the groove Between the support ribs of the first piece and the support ribs of the second piece contact at least one place, so that the support ribs of the first piece and the support ribs of the second piece intersect and have a Angle.

Description

均溫板結構Vapor chamber structure

本發明係關於一種散熱裝置，尤其是一種對電子元件進行散熱的均溫板結構。The present invention relates to a heat dissipation device, in particular to a temperature equalizing plate structure for heat dissipation of electronic components.

於電子產品中，習知均溫板係結合於發熱源的表面，該習知均溫板係具有一上板體及一下板體，該上板體及該下板體之間具有一腔室，該腔室填充有一工作流體，發熱源可以加熱該工作流體並使該工作流體汽化，氣態的工作流體係蒸發至遠離熱源的一側放熱後凝結，藉此可以帶離該發熱源的熱量以達到散熱的目的。一般而言，該腔室內係具有數個支撐柱，該數個支撐柱分別扺接於該上板體及該下板體，藉此，以避免該腔室受到擠壓。惟，當習知均溫板用於微小的電子元件而薄型化時，仍然容易受到變形而對該腔室產生影響。In electronic products, a conventional uniform temperature plate is combined with the surface of the heat source. The conventional uniform temperature plate has an upper plate body and a lower plate body, and a cavity is formed between the upper plate body and the lower plate body. , the chamber is filled with a working fluid, the heat source can heat the working fluid and vaporize the working fluid, and the gaseous working fluid system evaporates to the side away from the heat source to release heat and then condense. achieve the purpose of heat dissipation. Generally speaking, there are several supporting columns in the chamber, and the supporting columns are respectively connected to the upper plate body and the lower plate body, thereby preventing the chamber from being squeezed. However, when the conventional vapor chamber is thinned for tiny electronic components, it is still easily deformed to affect the chamber.

有鑑於此，習知均溫板確實仍有加以改善之必要。In view of this, it is still necessary to improve the conventional vapor chamber.

為解決上述問題，本發明的目的是提供一種均溫板結構，係可以提升結構強度者。In order to solve the above problems, the purpose of the present invention is to provide a vapor chamber structure, which can improve the structural strength.

本發明全文所述方向性或其近似用語，例如「前」、「後」、「左」、「右」、「上（頂）」、「下（底）」、「內」、「外」、「側面」等，主要係參考附加圖式的方向，各方向性或其近似用語僅用以輔助說明及理解本發明的各實施例，非用以限制本發明。The directional or similar terms used throughout this disclosure, such as "front", "back", "left", "right", "top (top)", "bottom (bottom)", "inside", "outside" , "side surface", etc., mainly refer to the directions of the attached drawings, each directionality or its similar terms are only used to assist the description and understanding of the various embodiments of the present invention, and are not intended to limit the present invention.

本發明全文所記載的元件及構件使用「一」或「一個」之量詞，僅是為了方便使用且提供本發明範圍的通常意義；於本發明中應被解讀為包括一個或至少一個，且單一的概念也包括複數的情況，除非其明顯意指其他意思。The use of the quantifier "a" or "an" for the elements and components described throughout the present invention is only for convenience and provides a general meaning of the scope of the present invention; in the present invention, it should be construed as including one or at least one, and a single The concept of also includes the plural case unless it is obvious that it means otherwise.

本發明全文所述「結合」、「組合」或「組裝」等近似用語，主要包含連接後仍可不破壞構件地分離，或是連接後使構件不可分離等型態，係本領域中具有通常知識者可以依據欲相連之構件材質或組裝需求予以選擇者。Similar terms such as "combined", "combined" or "assembled" mentioned in the whole text of the present invention mainly include the components that can be separated without destroying the components after the connection, or the components can not be separated after being connected, which are common knowledge in the field. It can be selected according to the material of the components to be connected or the assembly requirements.

本發明的均溫板結構，包含：一第一片體；及一第二片體，該第一片體及該第二片體分別具有一槽，該槽的周緣具有一環邊，該第一片體及該第二片體相結合以由該槽形成一腔室，該第一片體之槽及該第二片體之槽各具有至少一支撐肋，該支撐肋的二端延伸於該槽兩側的環邊之間，該第一片體的支撐肋與該第二片體的支撐肋至少一處相抵接，以使該第一片體的支撐肋與該第二片體的支撐肋呈相交而具有一夾角。The vapor chamber structure of the present invention includes: a first sheet body; and a second sheet body, the first sheet body and the second sheet body respectively have a groove, the periphery of the groove has a ring edge, the first sheet The sheet body and the second sheet body are combined to form a cavity by the groove, the groove of the first sheet body and the groove of the second sheet body each have at least one support rib, and the two ends of the support rib extend to the Between the ring edges on both sides of the groove, the support rib of the first sheet body and the support rib of the second sheet body abut at least one place, so that the support rib of the first sheet body and the support rib of the second sheet body The ribs intersect with an included angle.

據此，本發明的均溫板結構，可以藉由該第一片體及該第二片體分別具有該支撐肋，該支撐肋係可以延伸該第一片體及該第二片體於該槽兩側的環邊之間，以形成對該第一片體及該第二片體整體抗變形的支撐結構，係可以達到進一步提升該均溫板結構的強度的功效。Accordingly, in the vapor chamber structure of the present invention, the first sheet body and the second sheet body can respectively have the support rib, and the support rib can extend the first sheet body and the second sheet body on the Between the ring edges on both sides of the groove, a supporting structure that resists overall deformation of the first sheet body and the second sheet body is formed, which can further improve the strength of the temperature uniform plate structure.

其中，至少一個該支撐肋的二端連接該槽相對兩側的環邊。如此，係具有提升該均溫板的結構強度的功效。Wherein, at least one of the two ends of the supporting rib is connected to the ring edges on opposite sides of the groove. In this way, it has the effect of improving the structural strength of the vapor chamber.

其中，至少一個該支撐肋的二端連接該槽相鄰兩側的環邊。如此，係具有提升該均溫板的結構強度的功效。Wherein, at least one of the two ends of the supporting rib is connected to the two adjacent sides of the groove. In this way, it has the effect of improving the structural strength of the vapor chamber.

其中，各該支撐肋的至少一端不連接於該槽兩側的環邊而具有間隙。如此，係具有提升該均溫板散熱效率的功效。Wherein, at least one end of each support rib is not connected to the ring edges on both sides of the groove but has a gap. In this way, the system has the effect of improving the heat dissipation efficiency of the vapor chamber.

其中，該第一片體的支撐肋與該第二片體的支撐肋呈正交。如此，係具有提升該均溫板的結構強度的功效。Wherein, the support ribs of the first sheet body are orthogonal to the support ribs of the second sheet body. In this way, it has the effect of improving the structural strength of the vapor chamber.

其中，該第一片體的支撐肋與該第二片體的支撐肋呈不正交。如此，係具有提升該均溫板的結構強度的功效。Wherein, the support ribs of the first sheet body are not orthogonal to the support ribs of the second sheet body. In this way, it has the effect of improving the structural strength of the vapor chamber.

其中，該第一片體的支撐肋的兩端分別連接在該槽相鄰兩側的環邊，而該第二片體的支撐肋的兩端分別連接在該槽相對兩側的環邊。如此，係具有提升該均溫板的結構強度的功效。Wherein, the two ends of the support rib of the first piece are respectively connected to the rims on two adjacent sides of the groove, and the two ends of the support rib of the second piece are respectively connected to the rims of the opposite sides of the groove. In this way, it has the effect of improving the structural strength of the vapor chamber.

其中，該腔室填充有工作流體。如此，該薄型均溫板結構可以利用該工作流體吸收熱量以進行熱傳遞，係具有維持散熱效率的功效。Therein, the chamber is filled with working fluid. In this way, the thin vapor chamber structure can utilize the working fluid to absorb heat for heat transfer, which has the effect of maintaining heat dissipation efficiency.

其中，該腔室具有一毛細結構。如此，該毛細結構可以幫助凝結後的工作流體可以重新聚集進行回流，係具有提升散熱效率的功效。Wherein, the chamber has a capillary structure. In this way, the capillary structure can help the condensed working fluid to re-aggregate for backflow, which has the effect of improving heat dissipation efficiency.

其中，該第一片體的支撐肋及該第二片體的支撐肋未互相重疊的部分係可以與相對的該第一片體的槽面及該第二片體的槽面形成一通道。如此，係具有使該腔室內的工作流體係可以經由該通道流通、填充於該腔室的功效。Wherein, the part of the supporting rib of the first sheet body and the supporting rib of the second sheet body not overlapping each other can form a channel with the opposite groove surface of the first sheet body and the groove surface of the second sheet body. In this way, the system has the effect of enabling the working fluid system in the chamber to flow through the channel and fill the chamber.

其中，該第一片體的支撐肋及該第二片體的支撐肋分別具有一擴大部，該擴大部係位於該第一片體的支撐肋與該第二片體的支撐肋相抵接處。如此，對該第一片體的支撐肋與該第二片體的支撐肋相抵接處進行焊接時，係具有提升焊接便利性的功效。Wherein, the support rib of the first sheet body and the support rib of the second sheet body respectively have an enlarged portion, and the enlarged portion is located at the abutment of the support rib of the first sheet body and the support rib of the second sheet body . In this way, when the support rib of the first sheet body is welded with the support rib of the second sheet body, it has the effect of improving the convenience of welding.

其中，該均溫板結構另包含一焊接部，該焊接部位於該第一片體之環邊及位於該第二片體之環邊，該焊接部圍繞於該腔室，該焊接部具有一缺口。如此，可以利用該第一片體之環邊或該第二片體之環邊形成工作流體的注入口，而不需要成型額外的凸出口來進行工作流體的注入，係具有節省成本的功效。Wherein, the vapor chamber structure further includes a welding part, the welding part is located on the circumferential edge of the first sheet body and the welding part is located on the circumferential edge of the second sheet body, the welding part surrounds the chamber, and the welding part has a gap. In this way, the annular edge of the first sheet body or the annular edge of the second sheet body can be used to form the injection port of the working fluid, without the need to form an additional protruding port for the injection of the working fluid, which has the effect of saving cost.

其中，該缺口的寬度小於或等於5mm。如此，係可以對該缺口進行少量的補焊以封閉該缺口，係具有簡化對該缺口封閉步驟的功效。Wherein, the width of the notch is less than or equal to 5mm. In this way, a small amount of repair welding can be performed on the notch to close the notch, which has the effect of simplifying the step of closing the notch.

其中，該缺口的寬度小於或等於1mm。如此，係可以對該缺進行少量的補焊以封閉該缺口，係具有進一步簡化對該缺口封閉步驟以及減少材料損耗的功效。Wherein, the width of the notch is less than or equal to 1mm. In this way, a small amount of repair welding can be performed on the gap to close the gap, which has the effect of further simplifying the gap sealing step and reducing material loss.

其中，該第一片體的環邊與該第二片體的環邊形成一抵靠部，該抵靠部對位於該缺口。如此，係能夠藉由工具抵靠於該抵靠部，以將該第一片體及該第二片體之間微微撐出一縫隙，具有易於將該工作流體注入於該缺口的功效。Wherein, the annular edge of the first sheet body and the annular edge of the second sheet body form a contact portion, and the abutment portion is opposite to the gap. In this way, a tool can be used against the abutting portion to slightly prop up a gap between the first sheet body and the second sheet body, which has the effect of easily injecting the working fluid into the gap.

其中，該抵靠部為由該第一片體或該第二片體的周緣向內凹設形成的缺孔。如此，該抵靠部可以於該環邊形成一段差，具有可以輕易地將工具由該抵靠部***該第一片體及該第二片體之間的功效。Wherein, the abutting portion is a hole formed by concave inwards from the peripheral edge of the first sheet body or the second sheet body. In this way, the abutting portion can form a gap on the ring edge, which has the effect of easily inserting a tool between the first sheet body and the second sheet body from the abutting portion.

其中，該抵靠部為由該第一片體或該第二片體的周緣向外突伸設的凸緣。如此，該抵靠部可以於該環邊形成一段差，具有可以輕易地將工具由該抵靠部***該第一片體及該第二片體之間的功效。Wherein, the abutting portion is a flange protruding outward from the peripheral edge of the first sheet body or the second sheet body. In this way, the abutting portion can form a gap on the ring edge, which has the effect of easily inserting a tool between the first sheet body and the second sheet body from the abutting portion.

其中，該抵靠部為由該第一片體或該第二片體的周緣向內凹設形成的缺孔，以及由相對的該第二片體或該第一片體的周緣向外突伸設的凸緣。如此，該抵靠部可以於該環邊形成一段差，具有可以輕易地將工具由該抵靠部***該第一片體及該第二片體之間的功效。Wherein, the abutting portion is a notch formed by inwardly concave the peripheral edge of the first sheet or the second sheet, and protruding outward from the peripheral edge of the opposite second sheet or the first sheet extended flange. In this way, the abutting portion can form a gap on the ring edge, which has the effect of easily inserting a tool between the first sheet body and the second sheet body from the abutting portion.

其中，該第一片之環邊及該第二片體之環邊具有一焊封部，該焊封部對位於該缺口。如此，係具有可以對該缺口進行封閉的作用。Wherein, the circumferential edge of the first sheet and the circumferential edge of the second sheet body have a welding sealing portion, and the welding sealing portion is located opposite to the notch. In this way, the system has the function of closing the gap.

其中，該焊封部與該焊接部相連接。係可以確保該焊封部與該焊接部之間不會具有間隙，係具有避免該腔室內的工作流體滲出的功效。Wherein, the welding sealing part is connected with the welding part. The system can ensure that there is no gap between the welding sealing part and the welding part, and has the effect of preventing the leakage of the working fluid in the chamber.

其中，該焊封部連接於鄰近該缺口處的焊接部。如此，可以僅焊接鄰近該缺口處的部位，係具有節省加工步驟的作用。Wherein, the solder sealing portion is connected to the solder portion adjacent to the notch. In this way, only the part adjacent to the notch can be welded, which has the effect of saving processing steps.

其中，該焊封部連接於相對遠離該缺口處的焊接部。如此，係可以確保該缺口不會與外接連通的作用。Wherein, the solder sealing portion is connected to the solder portion relatively far from the notch. In this way, the system can ensure that the gap will not communicate with the external function.

其中，該焊封部圍繞於該焊接部。如此，係具有避免該腔室內的工作流體滲出的作用。Wherein, the welding part surrounds the welding part. In this way, the system has the effect of preventing the leakage of the working fluid in the chamber.

為讓本發明之上述及其他目的、特徵及優點能更明顯易懂，下文特舉本發明之較佳實施例，並配合所附圖式，作詳細說明如下：In order to make the above-mentioned and other objects, features and advantages of the present invention more obvious and easy to understand, the preferred embodiments of the present invention are exemplified below, and are described in detail as follows in conjunction with the accompanying drawings:

請參照第1圖所示，其係本發明均溫板結構T的第一實施例，係包含一第一片體1及一第二片體2，該第一片體1及該第二片體2相對接。Please refer to FIG. 1, which is the first embodiment of the vapor chamber structure T of the present invention, which includes a first sheet body 1 and a second sheet body 2, the first sheet body 1 and the second sheet Body 2 is connected to each other.

請續參照第2～4圖所示，該薄型均溫板結構T可以例如為銅或鋁等高導熱性能之材質所製成，使能夠用以直接或間接地連接一發熱源，以對該發熱源進行散熱，該發熱源可以例如為手機、電腦或其他電器產品的中央處理器，或者電路板上因運作而產生熱之晶片等電子元件。該薄型均溫板結構T具有腔室可用以填充一工作流體L，該工作流體L可以為水、酒精或其他低沸點之液體，較佳地該工作流體L係可以為不導電液，以使該工作流體L可以從液態吸收熱量而蒸發成氣態，該腔室可以不為真空狀態，惟，亦可以為真空封閉狀態，本發明不予限制，藉此可以避免該工作流體L形成氣態後散失，以及避免內部因為空氣佔據，而壓縮到該工作流體L形成氣態後的空間，進而影響到散熱效率。Please continue to refer to Figures 2 to 4. The thin vapor chamber structure T can be made of materials with high thermal conductivity such as copper or aluminum, so that it can be used to directly or indirectly connect a heat source to the The heat source is used to dissipate heat, and the heat source can be, for example, a central processing unit of a mobile phone, a computer or other electrical products, or an electronic component such as a chip on a circuit board that generates heat due to operation. The thin vapor chamber structure T has a chamber that can be filled with a working fluid L. The working fluid L can be water, alcohol or other low-boiling liquids. Preferably, the working fluid L can be a non-conductive liquid, so that the The working fluid L can absorb heat from a liquid state and evaporate into a gaseous state. The chamber may not be in a vacuum state, but may also be in a vacuum closed state, which is not limited in the present invention, so as to prevent the working fluid L from forming a gaseous state and then dissipating. , and avoid the internal space occupied by air and compressed into the space after the working fluid L is formed into a gaseous state, thereby affecting the heat dissipation efficiency.

請續參照第1～4圖所示，該第一片體1係可以具有一槽11，該槽11可用以容納該工作流體L，以使熱量可以在該第一片體1及該工作流體L之間進行傳遞，舉例而言，該第一片體1可以做為一吸熱片，並且該第一片體1能夠用以連接該發熱源，以吸收該發熱源所產生的熱。該槽11係能夠以沖壓或壓鑄等加工方式，使該槽11的周緣具有一環邊12，該槽11係可以由彎折方式形成，或者，該槽11係可以由蝕刻製程的方式形成，舉例而言，係可以由乾式蝕刻、濕式蝕刻或電漿蝕刻所形成，如此，係可以簡單的於該第一片體1形成該槽11。Please continue to refer to Figures 1 to 4, the first sheet body 1 may have a groove 11, and the groove 11 may be used for accommodating the working fluid L, so that heat can be transferred between the first sheet body 1 and the working fluid For example, the first sheet 1 can be used as a heat absorbing sheet, and the first sheet 1 can be used to connect the heat source to absorb the heat generated by the heat source. The groove 11 can be processed by stamping or die casting, so that the periphery of the groove 11 has a ring edge 12 , the groove 11 can be formed by bending, or the groove 11 can be formed by an etching process, for example In other words, it can be formed by dry etching, wet etching or plasma etching. In this way, the groove 11 can be simply formed in the first wafer 1 .

該第二片體2亦可以具有一槽21，該槽21同樣係能夠以沖壓、壓鑄或上述蝕刻製程的方式所形成，使該槽21周緣形成一環邊22，該第二片體2的槽21係可以與該第一片體1的槽11互相對位，使該第二片體2的槽21及該第一片體1的槽11可以共同形成一腔室S。該腔室S係能夠用以容納該工作流體L，以藉由該工作流體L的蒸發凝結循環來達到散熱的目的，該第二片體2及該工作流體L之間可以進行熱量的傳遞，舉例而言，該第二片體2可以做為一放熱片，以使該工作流體L所攜帶的熱可以由該第二片體2傳遞出去，例如，可以傳遞至外界散失，或者該第二片體2可以連結如鰭片、導熱管或風扇等，其他具導熱效果的構件，以將熱量帶離該第二片體2來達到散熱的目的。另，該腔室S還可以具有一毛細結構C，該毛細結構C可以幫助凝結後的工作流體L可以重新聚集進行回流，以重新吸收發熱源的熱量，該毛細結構C係可以為多孔性網目結構、微型溝槽或燒結粉末等結構，以增加該工作流體L因毛細現象的流動，該毛細結構C係可以由一粉末燒結（powder sintering process）而製成，該粉末係可以為銅粉或其他適當粉末，本發明不予限制。The second sheet body 2 may also have a groove 21 , and the groove 21 can also be formed by stamping, die casting or the above-mentioned etching process, so that a peripheral edge 22 is formed on the periphery of the groove 21 . The groove of the second sheet body 2 The line 21 can be aligned with the groove 11 of the first chip 1 , so that the groove 21 of the second chip 2 and the groove 11 of the first chip 1 can form a chamber S together. The chamber S can be used to accommodate the working fluid L, so as to achieve the purpose of heat dissipation through the evaporation and condensation cycle of the working fluid L, and heat can be transferred between the second sheet 2 and the working fluid L, For example, the second sheet body 2 can be used as a heat dissipation sheet, so that the heat carried by the working fluid L can be transferred from the second sheet body 2, for example, can be transferred to the outside for dissipation, or the second sheet The sheet body 2 can be connected to other components with heat conduction effect, such as fins, heat pipes, fans, etc., so as to carry heat away from the second sheet body 2 to achieve the purpose of heat dissipation. In addition, the chamber S can also have a capillary structure C, the capillary structure C can help the condensed working fluid L to be re-aggregated and recirculated to absorb the heat of the heat source again, and the capillary structure C can be a porous mesh structure, micro-grooves or sintered powder to increase the flow of the working fluid L due to capillary phenomenon, the capillary structure C can be made by a powder sintering process, the powder can be copper powder or Other suitable powders are not limited in the present invention.

請續參照第1～8圖所示，該第一片體1的槽面可以具有至少一支撐肋13，該支撐肋13可以呈長條狀而具有兩端，如此，該支撐肋13係可以延伸於該槽11兩側的環邊12之間，以使該支撐肋13兩端分別可以朝向該環邊12，該第二片體2之槽面亦可以具有至少一支撐肋23，該支撐肋23同樣呈長條狀而具有兩端，如此，可以延伸於該槽21兩側的環邊22之間。舉例而言，該支撐肋13、23的兩端可以分別連接該槽11、21相對兩側的環邊12、22（如第1圖所示），或者，如本發明第二實施例，該支撐肋13、23的兩端係可以分別連接在該槽11、21相鄰兩側的環邊12、22（如第5圖所示），另，如本發明第三實施例，亦可以為該第一片體1的支撐肋13的兩端分別連接在該槽11相鄰兩側的環邊12，而該第二片體2的支撐肋23的兩端分別連接在該槽21相對兩側的環邊12（如第7圖所示），又，如本發明第四實施例，該支撐肋13、23的至少一端可以不連接於該槽11、21兩側的環邊11、22而具有一間隙P，例如，該支撐肋13、23的兩端皆不連接於該槽11、21兩側的環邊12、22，或者該支撐肋13、23的其中一端不連接於該槽11、21的環邊12、22（如第8圖所示），本發明不予限制。Please continue to refer to FIGS. 1-8, the groove surface of the first sheet body 1 may have at least one supporting rib 13, and the supporting rib 13 may be elongated and have two ends. In this way, the supporting rib 13 may be Extending between the ring edges 12 on both sides of the groove 11, so that the two ends of the support rib 13 can face the ring edge 12 respectively, and the groove surface of the second sheet body 2 can also have at least one support rib 23. The rib 23 is also elongated and has two ends, so that it can extend between the edges 22 on both sides of the groove 21 . For example, both ends of the support ribs 13 and 23 may be connected to the ring edges 12 and 22 on opposite sides of the grooves 11 and 21 respectively (as shown in FIG. 1 ), or, as in the second embodiment of the present invention, the The two ends of the support ribs 13 and 23 can be connected to the ring edges 12 and 22 on the adjacent two sides of the grooves 11 and 21 respectively (as shown in FIG. 5 ). In addition, as in the third embodiment of the present invention, it can also be The two ends of the support rib 13 of the first sheet body 1 are respectively connected to the ring edges 12 on the two adjacent sides of the groove 11 , and the two ends of the support rib 23 of the second sheet body 2 are respectively connected to the opposite two sides of the groove 21 . (as shown in Figure 7), and, as in the fourth embodiment of the present invention, at least one end of the support ribs 13, 23 may not be connected to the rings 11, 22 on both sides of the grooves 11, 21 With a gap P, for example, both ends of the support ribs 13, 23 are not connected to the edges 12, 22 on both sides of the grooves 11, 21, or one end of the support ribs 13, 23 is not connected to the groove. The ring edges 12 and 22 of 11 and 21 (as shown in FIG. 8 ) are not limited in the present invention.

該第一片體1的支撐肋13與該第二片體2的支撐肋23至少一處相抵接，較佳地，該第一片體1的支撐肋13與該第二片體2的支撐肋23呈相交而具有一夾角θ，該夾角θ可以為1°～90°，例如，該第一片體1的支撐肋13與該第二片體2的支撐肋23的夾角可以為90°而呈正交（如第2圖所示），或者，該第一片體1的支撐肋13與該第二片體2的支撐肋23的夾角可以為小於90°的銳角而呈不正交（如第6圖所示），本發明不予限制。如此，各該支撐肋13、23未重疊的部分係可以與相對的該第一片體1的槽面及該第二片體2的槽面具有一通道R，該腔室S內的工作流體L係可以經由該通道R流通、填充於該腔室S，以對該第一片體1及該第二片體2進行熱傳遞。藉此，各該支撐肋13、23係可以延伸於於該槽11、21兩側的環邊12、22之間，以形成對該第一片體1及該第二片體2整體抗變形的支撐結構，係可以進一步提升該均溫板結構T的強度，並且提升該工作流體L的接觸面積，係具有提升該均溫板結構T散熱效率的作用。另，該第一片體1的支撐肋13可以具有一擴大部131，以及該第二片體2的支撐肋23可以具有一擴大部231，該第一片體1的擴大部131與該第二片體2的擴大部231係相對位，並互相抵接，如此，對該第一片體1的支撐肋13與該第二片體2的支撐肋23相抵接處進行焊接時，係具有提升焊接便利性的作用。The support rib 13 of the first sheet body 1 is in contact with the support rib 23 of the second sheet body 2 at least one place. The ribs 23 intersect and have an included angle θ, and the included angle θ may be 1°˜90°. For example, the included angle between the support rib 13 of the first sheet body 1 and the support rib 23 of the second sheet body 2 may be 90° The angle between the support ribs 13 of the first sheet body 1 and the support ribs 23 of the second sheet body 2 may be an acute angle less than 90° and not orthogonal to each other (as shown in Figure 2). (as shown in Figure 6), the present invention is not limited. In this way, the non-overlapping parts of the supporting ribs 13 and 23 can have a channel R with the groove surface of the first sheet body 1 and the groove surface of the second sheet body 2 opposite to each other, and the working fluid in the chamber S The L system can flow through the channel R and fill the chamber S to transfer heat to the first sheet 1 and the second sheet 2 . Thereby, each of the supporting ribs 13, 23 can extend between the edges 12, 22 on both sides of the grooves 11, 21, so as to form an overall anti-deformation of the first sheet body 1 and the second sheet body 2 The supporting structure can further improve the strength of the vapor chamber structure T, and increase the contact area of the working fluid L, which has the effect of improving the heat dissipation efficiency of the vapor chamber structure T. In addition, the support rib 13 of the first sheet body 1 may have an enlarged portion 131, and the support rib 23 of the second sheet body 2 may have an enlarged portion 231. The enlarged portion 131 of the first sheet body 1 and the first sheet body 1 may have an enlarged portion 231 The enlarged parts 231 of the two sheets 2 are opposite to each other and abut each other. In this way, when welding the abutting part of the support rib 13 of the first sheet body 1 and the support rib 23 of the second sheet body 2, there is a The role of improving the convenience of welding.

請參照第2、6、9圖所示，該均溫板結構T係可以另包含一焊接部H，該焊接部H係可以位於該第一片體1之環邊12及位於該第二片體2之環邊22，該焊接部H係圍繞於該腔室S，如此，該第一片體1及該第二片體2可以藉由該焊接部H例如用雷焊的方式焊接對合以形成該腔室S，該焊接部H具有一缺口H1，該缺口H1連通該腔室S，如此，可以將該工作流體L由該缺口H1注入該腔室S。詳言之，可以對該第一片體1之環邊12及該第二片體2之環邊22進行未完全封閉的焊接，並留下未焊接的該缺口H1，藉此，可以利用該第一片體1之環邊12及該第二片體2之環邊22形成工作流體L的注入口，而不需要成型額外的凸出口來進行工作流體L的注入，而且不須對該第一片體1之環邊12及該第二片體2之環邊22進行加工，係具有節省成本的作用。另，較佳地，該缺口H1的寬度係小於等於5mm，較佳地該缺口H1的寬度為1mm，藉此，係可以對該缺口H1進行少量的補焊以封閉該缺口H1，係具有簡化對該缺口H1封閉步驟的作用。例如，該第一片體1之環邊12及該第二片體2之環邊22係可以具有一焊封部H2，該焊封部H2係對位於該缺口H1，如此以對該缺口H1進行封閉，較佳地，該焊封部H2係與該焊接部H相連接，以使該缺口H1不與外界連通即可，舉例而言，該焊封部H2可以僅連接於鄰近該缺口H1處的焊接部H（如第9圖所示），或者，該焊封部H2可以連接於相對遠離該缺口H1處的焊接部H（如第6圖所示），進一步地該焊封部H2可以圍繞於該焊接部H，以大範圍的阻隔該缺口H1，如此，具有避免該腔室S內的工作流體L滲出的作用。Referring to Figures 2, 6, and 9, the vapor chamber structure T may further include a welding portion H, and the welding portion H may be located on the edge 12 of the first sheet body 1 and on the second sheet On the edge 22 of the body 2, the welding part H surrounds the chamber S, so that the first sheet body 1 and the second sheet body 2 can be welded together by the welding part H, such as by means of lightning welding. In order to form the chamber S, the welding part H has a gap H1 , and the gap H1 communicates with the chamber S. In this way, the working fluid L can be injected into the chamber S through the gap H1 . In detail, the ring edge 12 of the first sheet body 1 and the ring edge 22 of the second sheet body 2 can be welded not completely closed, and the unwelded gap H1 can be left. The annular edge 12 of the first sheet body 1 and the annular edge 22 of the second sheet body 2 form an injection port for the working fluid L, and there is no need to form an additional protruding port for the injection of the working fluid L, and it is not necessary to inject the working fluid L. The processing of the edge 12 of the one piece body 1 and the edge 22 of the second piece body 2 has the effect of saving cost. In addition, preferably, the width of the notch H1 is less than or equal to 5mm, and preferably the width of the notch H1 is 1mm, whereby a small amount of repair welding can be performed on the notch H1 to close the notch H1, which has the advantages of simplifying The effect of this gap H1 blocking step. For example, the circumferential edge 12 of the first sheet body 1 and the circumferential edge 22 of the second sheet body 2 may have a welding sealing portion H2, and the welding sealing portion H2 is located opposite to the gap H1, so that the gap H1 For sealing, preferably, the welding part H2 is connected with the welding part H, so that the gap H1 is not communicated with the outside world. For example, the welding part H2 can only be connected adjacent to the gap H1 The welding part H (as shown in Fig. 9) at the place, or the welding part H2 can be connected to the welding part H (as shown in Fig. 6) relatively far away from the notch H1, and further the welding part H2 The gap H1 can be blocked in a wide range around the welding portion H, so that the working fluid L in the chamber S can be prevented from seeping out.

請參照第1、2圖所示，值得注意的是，該第一片體1的環邊12可以與該第二片體2的環邊22形成一抵靠部G，該抵靠部G係對位於該缺口H1，係能夠藉由工具抵靠於該抵靠部G，以將該第一片體1及該第二片體2之間微微撐出一縫隙，藉此，具有易於將該工作流體L注入於該缺口H1的作用。舉例而言，該抵靠部G係可以由該第一片體1或該第二片體2的周緣向內凹設形成的缺孔，如此，當該第一片體1與該第二片體2對接時，該抵靠部G可以於該環邊12、22形成一段差，如此，可以輕易地將工具由該抵靠部G***該第一片體1及該第二片體2之間。Please refer to Figures 1 and 2, it is worth noting that the ring edge 12 of the first sheet body 1 and the ring edge 22 of the second sheet body 2 can form an abutting portion G, and the abutting portion G is For the gap H1, a tool can be used against the abutting portion G to slightly prop up a gap between the first sheet body 1 and the second sheet body 2, thereby, it is easy to use the tool. The working fluid L is injected into the gap H1. For example, the abutting portion G can be a hole formed by concave inwards from the peripheral edge of the first sheet body 1 or the second sheet body 2. Thus, when the first sheet body 1 and the second sheet body 2 When the bodies 2 are butted together, the abutting portion G can form a gap between the ring edges 12 and 22, so that the tool can be easily inserted between the first sheet body 1 and the second sheet body 2 from the abutting portion G. between.

請參照第5、6圖所示，該抵靠部G係可以由該第一片體1或該第二片體2的周緣向外突伸設的凸緣，如此，當該第一片體1與該第二片體2對接時，依然可以由該抵靠部G於該環邊12、22形成一段差，如此，可以輕易地將工具由該抵靠部G***該第一片體1及該第二片體2之間。該第一片體1及該第二片體2亦可以分別具有互相對位的上述缺孔及上述凸緣以形成該抵靠部G（如第7圖所示）本發明不予限制。Referring to Figures 5 and 6, the abutting portion G can be a flange protruding from the periphery of the first sheet body 1 or the second sheet body 2. In this way, when the first sheet body When abutting with the second sheet body 2, a gap can still be formed between the ring edges 12 and 22 by the abutting portion G, so that the tool can be easily inserted into the first sheet body 1 from the abutting portion G and between the second sheet body 2 . The first sheet body 1 and the second sheet body 2 may also respectively have the above-mentioned notch holes and the above-mentioned flanges aligned with each other to form the abutting portion G (as shown in FIG. 7 ). The present invention is not limited.

綜上所述，本發明的均溫板結構，可以藉由該第一片體及該第二片體分別具有該支撐肋，該支撐肋係可以延伸該第一片體及該第二片體於該槽兩側的環邊之間，以形成對該第一片體及該第二片體整體抗變形的支撐結構，係可以達到進一步提升該均溫板結構的強度的功效。To sum up, in the vapor chamber structure of the present invention, the first sheet body and the second sheet body can respectively have the support rib, and the support rib can extend the first sheet body and the second sheet body Between the ring edges on both sides of the groove, a supporting structure that resists overall deformation of the first sheet body and the second sheet body can be formed, which can further enhance the strength of the temperature chamber structure.

雖然本發明已利用上述較佳實施例揭示，然其並非用以限定本發明，任何熟習此技藝者在不脫離本發明之精神和範圍之內，相對上述實施例進行各種更動與修改仍屬本發明所保護之技術範疇，因此本發明之保護範圍當視後附之申請專利範圍所界定者為準。Although the present invention has been disclosed by the above-mentioned preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art can make various changes and modifications relative to the above-mentioned embodiments without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the present invention should be determined by the scope of the patent application attached hereto.

﹝本發明﹞ 1:第一片體 11,21:槽 12,22:環邊 13,23:支撐肋 131,231:擴大部 2:第二片體 H:焊接部 H1:缺口 H2:焊封部 S:腔室 G:抵靠部 L:工作流體 C:毛細結構 P:間隙 R:通道 T:均溫板結構 θ:夾角﹝this invention﹞ 1: The first body 11,21: Groove 12,22: Ring edge 13,23: Support Ribs 131, 231: Expanded Ministry 2: The second body H: welding part H1: Gap H2: Welding part S: Chamber G: Abutting part L: working fluid C: capillary structure P: Gap R: channel T: Vapor chamber structure θ: included angle

［第1圖］ 本發明第一實施例的分解立體圖。 ［第2圖］ 本發明第一實施例的組合圖。 ［第3圖］ 沿第2圖的A-A線剖面圖。 ［第4圖］ 如第2圖具有毛細結構之剖面圖。 ［第5圖］ 本發明第二實施例的分解立體圖。 ［第6圖］ 本發明第二實施例的組合圖。 ［第7圖］ 本發明第三實施例的分解立體圖。 ［第8圖］ 本發明第四實施例的分解立體圖。 ［第9圖］ 如第2圖所示局部構造的以焊封部封閉該缺口示意圖。[FIG. 1] An exploded perspective view of the first embodiment of the present invention. [FIG. 2] A combined diagram of the first embodiment of the present invention. [Fig. 3] A cross-sectional view taken along line A-A in Fig. 2. [Fig. 4] As shown in Fig. 2, there is a cross-sectional view of the capillary structure. [FIG. 5] An exploded perspective view of the second embodiment of the present invention. [FIG. 6] A combined view of the second embodiment of the present invention. [FIG. 7] An exploded perspective view of a third embodiment of the present invention. [FIG. 8] An exploded perspective view of a fourth embodiment of the present invention. [FIG. 9] A schematic diagram of closing the notch with a solder seal as partially constructed as shown in FIG. 2. [FIG.

1:第一片體1: The first body

11,21:槽11,21: Groove

12,22:環邊12,22: Ring edge

13,23:支撐肋13,23: Support Ribs

131,231:擴大部131, 231: Expanded Ministry

2:第二片體2: The second body

G:抵靠部G: Abutting part

T:均溫板結構T: Vapor chamber structure

Claims (23)

一種均溫板結構，包含： 一第一片體；及 一第二片體，該第一片體及該第二片體分別具有一槽，該槽的周緣具有一環邊，該第一片體及該第二片體相結合以由該槽形成一腔室，該第一片體之槽及該第二片體之槽各具有至少一支撐肋，該支撐肋的二端延伸於該槽兩側的環邊之間，該第一片體的支撐肋與該第二片體的支撐肋至少一處相抵接，以使該第一片體的支撐肋與該第二片體的支撐肋呈相交而具有一夾角。A vapor chamber structure comprising: a first sheet; and A second sheet body, the first sheet body and the second sheet body respectively have a groove, the periphery of the groove has a ring edge, the first sheet body and the second sheet body are combined to form a cavity by the groove The groove of the first sheet body and the groove of the second sheet body each have at least one support rib, the two ends of the support rib extend between the rings on both sides of the groove, the support rib of the first sheet body The support rib of the second sheet body is in contact with at least one place, so that the support rib of the first sheet body and the support rib of the second sheet body intersect and have an included angle. 如請求項1之均溫板結構，其中，至少一個該支撐肋的二端連接該槽相對兩側的環邊。The vapor chamber structure of claim 1, wherein two ends of at least one of the support ribs are connected to the ring edges on opposite sides of the groove. 如請求項1之均溫板結構，其中，至少一個該支撐肋的二端連接該槽相鄰兩側的環邊。The temperature equalizing plate structure of claim 1, wherein two ends of at least one of the supporting ribs are connected to the annular edges of the two adjacent sides of the groove. 如請求項1之均溫板結構，其中，各該支撐肋的至少一端不連接於該槽兩側的環邊而具有間隙。The vapor chamber structure of claim 1, wherein at least one end of each of the support ribs is not connected to the ring edges on both sides of the groove but has a gap. 如請求項1至4中任一項之均溫板結構，其中，該第一片體的支撐肋與該第二片體的支撐肋呈正交。The vapor chamber structure according to any one of claims 1 to 4, wherein the support ribs of the first sheet body are orthogonal to the support ribs of the second sheet body. 如請求項1至4中任一項之均溫板結構，其中，該第一片體的支撐肋與該第二片體的支撐肋呈不正交。The vapor chamber structure according to any one of claims 1 to 4, wherein the support ribs of the first sheet body are not orthogonal to the support ribs of the second sheet body. 如請求項1之均溫板結構，其中，該第一片體的支撐肋的兩端分別連接在該槽相鄰兩側的環邊，而該第二片體的支撐肋的兩端分別連接在該槽相對兩側的環邊。The temperature equalizing plate structure of claim 1, wherein the two ends of the support rib of the first sheet are connected to the ring edges of the two adjacent sides of the groove respectively, and the two ends of the support rib of the second sheet are respectively connected Ring edges on opposite sides of the groove. 如請求項1之均溫板結構，其中，該腔室填充有工作流體。The vapor chamber structure of claim 1, wherein the chamber is filled with a working fluid. 如請求項1之均溫板結構，其中，該腔室具有一毛細結構。The vapor chamber structure of claim 1, wherein the chamber has a capillary structure. 如請求項1之均溫板結構，其中，該第一片體的支撐肋及該第二片體的支撐肋未互相重疊的部分係可以與相對的該第一片體的槽面及該第二片體的槽面形成一通道。The temperature equalizing plate structure of claim 1, wherein the part of the support rib of the first sheet body and the support rib of the second sheet body that do not overlap with each other can be opposite to the groove surface of the first sheet body and the first sheet body. The groove surfaces of the two pieces form a channel. 如請求項1之薄型均溫板結構，其中，該第一片體的支撐肋及該第二片體的支撐肋分別具有一擴大部，該擴大部係位於該第一片體的支撐肋與該第二片體的支撐肋相抵接處。The thin vapor chamber structure of claim 1, wherein the support rib of the first sheet body and the support rib of the second sheet body respectively have an enlarged portion, and the enlarged portion is located between the support rib of the first sheet body and the support rib of the second sheet body. The support ribs of the second sheet body abut against each other. 如請求項8之均溫板結構，其中，該均溫板結構另包含一焊接部，該焊接部位於該第一片體之環邊及位於該第二片體之環邊，該焊接部圍繞於該腔室，該焊接部具有一缺口。The vapor chamber structure of claim 8, wherein the vapor chamber structure further comprises a welding portion, the welding portion is located on the circumferential edge of the first sheet body and the circumferential edge of the second sheet body, the welding portion surrounds In the chamber, the welding portion has a notch. 如請求項12之均溫板結構，其中，該第一片之環邊及該第二片體之環邊具有一焊封部，該焊封部對位於該缺口。The vapor chamber structure as claimed in claim 12, wherein the annular edge of the first sheet and the annular edge of the second sheet body have a welding sealing portion, and the welding sealing portion is opposite to the notch. 如請求項12之均溫板結構，其中，該缺口的寬度小於或等於5mm。The vapor chamber structure of claim 12, wherein the width of the gap is less than or equal to 5mm. 如請求項14之均溫板結構，其中，該缺口的寬度小於或等於1mm。The vapor chamber structure of claim 14, wherein the width of the gap is less than or equal to 1 mm. 如請求項12之均溫板結構，其中，該第一片體的環邊與該第二片體的環邊形成一抵靠部，該抵靠部對位於該缺口。The vapor chamber structure of claim 12, wherein a ring edge of the first sheet body and a ring edge of the second sheet body form an abutting portion, and the abutting portion is opposite to the notch. 如請求項16之均溫板結構，其中，該抵靠部為由該第一片體或該第二片體的周緣向內凹設形成的缺孔。The vapor chamber structure of claim 16, wherein the abutting portion is a hole formed by concave inwards from the peripheral edge of the first sheet body or the second sheet body. 如請求項16之均溫板結構，其中，該抵靠部為由該第一片體或該第二片體的周緣向外突伸設的凸緣。The vapor chamber structure of claim 16, wherein the abutting portion is a flange protruding outward from the peripheral edge of the first sheet body or the second sheet body. 如請求項16之均溫板結構，其中，該抵靠部為由該第一片體或該第二片體的周緣向內凹設形成的缺孔，以及由相對的該第二片體或該第一片體的周緣向外突伸設的凸緣。The vapor chamber structure of claim 16, wherein the abutting portion is a notch formed by inwardly concave the peripheral edge of the first sheet or the second sheet, and the opposite second sheet or A flange protruding outward from the peripheral edge of the first sheet body. 如請求項13之均溫板結構，其中，該焊封部與該焊接部相連接。The vapor chamber structure as claimed in claim 13, wherein the solder sealing portion is connected to the solder portion. 如請求項13之均溫板結構，其中，該焊封部連接於鄰近該缺口處的焊接部。The vapor chamber structure of claim 13, wherein the welded portion is connected to the welded portion adjacent to the notch. 如請求項13之均溫板結構，其中，該焊封部連接於相對遠離該缺口處的焊接部。The vapor chamber structure as claimed in claim 13, wherein the welded portion is connected to the welded portion relatively far from the notch. 如請求項13之均溫板結構，其中，該焊封部圍繞於該焊接部。The vapor chamber structure of claim 13, wherein the welded portion surrounds the welded portion.
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