WO2013189316A1 - 终端设备 - Google Patents

终端设备 Download PDF

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Publication number
WO2013189316A1
WO2013189316A1 PCT/CN2013/078774 CN2013078774W WO2013189316A1 WO 2013189316 A1 WO2013189316 A1 WO 2013189316A1 CN 2013078774 W CN2013078774 W CN 2013078774W WO 2013189316 A1 WO2013189316 A1 WO 2013189316A1
Authority
WO
WIPO (PCT)
Prior art keywords
heat
terminal device
heat dissipation
waterproof
waterproof housing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2013/078774
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English (en)
French (fr)
Inventor
任立立
骆军
韩萍
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZTE Corp
Original Assignee
ZTE Corp
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Filing date
Publication date
Application filed by ZTE Corp filed Critical ZTE Corp
Publication of WO2013189316A1 publication Critical patent/WO2013189316A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/0213—Venting apertures; Constructional details thereof
    • 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
    • H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • H05K7/20127—Natural convection
    • 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
    • H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
    • H05K7/20436—Inner thermal coupling elements in heat dissipating housings, e.g. protrusions or depressions integrally formed in the housing
    • H05K7/20445—Inner thermal coupling elements in heat dissipating housings, e.g. protrusions or depressions integrally formed in the housing the coupling element being an additional piece, e.g. thermal standoff

Definitions

  • the present invention relates to the field of communications, and in particular to a terminal device.
  • the equipment is small in size, but there is a certain power consumption of components on the internal circuit board, which may cause the temperature inside the equipment and the surface of the equipment housing to rise too high, especially when the ambient temperature of the equipment is high.
  • the running performance therefore, need to take heat dissipation measures.
  • the communication terminal device mainly includes a power supply unit and a service unit.
  • the heat is mainly generated by the key components of the business unit.
  • the purpose of the heat dissipation process is to transfer the heat of the heat-generating components to the air outside the device in time, thereby controlling the temperature of the components inside the device and the surface of the device casing to a long-term stable operating range. Inside.
  • the communication terminal generally uses a housing opening vent or a closed housing heat conduction technology, and the housing opening vent heat conduction technology can directly achieve heat dissipation, but for the communication terminal device, once the user introduces water or other conductive medium through the cooling hole into the device Internally, and then touching the high-voltage electrical part of the equipment, there will be a greater potential safety hazard, endangering personal and equipment safety.
  • the closed case heat conduction technology although it can be waterproof, it is only suitable for metal case or low power consumption.
  • the device case is made of low thermal conductivity material such as plastic or the power consumption is large, the increased heat will be difficult to find. The effective path is released, and the temperature rise inside the device and the surface of the casing is further increased, thereby affecting the reliability of the device and the user's perception.
  • the embodiment of the present invention provides a terminal device, so as to at least solve the related art, when the terminal device dissipates heat, it cannot achieve good waterproofing, poses certain harm to the terminal device itself, and has a problem of large security risks.
  • a terminal device includes a waterproof case, a circuit board, and a heat dissipating component, wherein: a waterproof case for sealing a circuit board, wherein the waterproof case is opened a venting hole; a heat dissipating member disposed in the waterproof housing, separating a main chamber and a heat dissipating chamber sealed from each other from an inner space of the waterproof housing, wherein the circuit board is disposed in the main chamber
  • the vent hole is disposed on the waterproof housing at a position corresponding to the heat dissipation chamber.
  • the heat dissipating component comprises: a heat sink, a frame-shaped base is interposed between the heat sink and the waterproof casing, and the heat sink and the waterproof casing together define the heat dissipation Chamber.
  • the terminal device further includes: the heat dissipating component is disposed at a position corresponding to the heat generating component on the circuit board.
  • the heat sink and the heat generating component are in contact with each other through a heat conducting medium to conduct heat.
  • the heat conductive medium is an elastic heat conductive medium.
  • the frame base is sealingly connected to the heat sink by a sealing ring.
  • a side of the heat sink facing the heat generating component is a smooth surface, and a heat dissipating tooth is attached to a side of the heat sink that is in the same direction as the heat generating component.
  • one or more conduits are provided on the side walls of the frame-shaped base, the conduits communicating the heat dissipation chamber with the exterior of the waterproof housing.
  • the heat dissipating tooth has a strip shape extending in a direction perpendicular to a direction of the duct.
  • two ends of the strip-shaped heat dissipating teeth respectively form a through gap with an inner side wall of the heat dissipating chamber.
  • the embodiment of the present invention uses the following method:
  • the waterproof housing is separated from the two chambers by the heat dissipating component, that is, the main chamber and the heat dissipation chamber, wherein the main chamber is a sealed chamber, and the internal circuit board of the terminal device is protected. It is not eroded by liquid, and the heat dissipation chamber is used for heat dissipation of the internal circuit board, so that the terminal can achieve good heat dissipation while being waterproof.
  • waterproofing and heat dissipation are combined into one terminal device, and in the related art, when the terminal device dissipates heat, it cannot achieve good waterproofing, and poses certain harm to the terminal device itself, and has a large The problem of safety hazards, so that the terminal equipment can still be well waterproofed under the condition of good heat dissipation, improves the waterproof and heat dissipation performance of the terminal equipment, and improves the user experience.
  • FIG. 1 is a schematic exploded view showing the structure of a terminal according to an embodiment of the present invention.
  • FIG. 2 is a schematic diagram of heat dissipation of a terminal according to Embodiment 1 of the present invention.
  • FIG. 3 is a schematic diagram of waterproofing of a terminal according to Embodiment 1 of the present invention.
  • FIG. 4 is a schematic exploded view showing the structure of a terminal according to Embodiment 2 of the present invention.
  • FIG. 5 is a schematic diagram of heat dissipation of a terminal according to Embodiment 2 of the present invention.
  • FIG. 6 is a schematic diagram of waterproofing of a terminal according to a second embodiment of the present invention. Preferred embodiment of the invention
  • the embodiment of the invention provides a terminal device, and the terminal device
  • the structure of the structure is shown in Figure 1, including a waterproof housing, a circuit board 8 and a heat dissipating component, wherein:
  • the waterproof housing includes a first housing 2 and a second housing 10 for sealing the circuit board 8, wherein the first housing 2 is provided with a vent hole;
  • a heat dissipating member disposed in the waterproof housing, separating a main chamber and a heat dissipating chamber sealed from each other from an inner space of the waterproof housing, wherein the circuit board 8 is disposed in the main chamber, A vent hole is disposed on the waterproof housing at a position corresponding to the heat dissipation chamber.
  • the embodiment of the present invention uses the following method:
  • the waterproof housing is separated from the two chambers by the heat dissipating component, that is, the main chamber and the heat dissipation chamber, wherein the main chamber is a sealed chamber, and the internal circuit board of the terminal device is protected. It is not eroded by liquid, and the heat dissipation chamber is used for heat dissipation of the internal circuit board, so that the terminal can achieve good heat dissipation while being waterproof.
  • waterproofing and heat dissipation are combined into one terminal device, and in the related art, when the terminal device dissipates heat, it cannot achieve good waterproofing, and poses certain harm to the terminal device itself, and has a large The problem of safety hazards, so that the terminal equipment can still be well waterproofed under the condition of good heat dissipation, and the waterproof and heat dissipation of the terminal equipment is improved. Performance, improved user experience.
  • the heat dissipating component may include: a heat sink 5 and a frame-shaped base 3, wherein the frame-shaped base 3 is interposed between the heat sink 5 and the first casing 2, and The heat sink and the first housing 2 together define the heat dissipation chamber.
  • One side of the frame base 3 is tightly connected to the first casing 2.
  • the drawing is divided into two parts, which can be directly formed as one piece.
  • the other side of the frame base 3 is sealed to the heat sink 5.
  • the sealing can be achieved in various ways, for example, by directly bonding the joint surfaces between the two components, or by sealing the sealing material such as a seal/seal.
  • the frame base 3 can also be designed in any shape according to the arrangement of the vent holes.
  • the vent holes are arranged in a triangular shape. Accordingly, the frame base 3 can also be set in a triangle shape.
  • the frame base 3 can be It is not set according to the vent hole as long as the area of the frame base 3 completely covers the area where the vent hole is located.
  • the heat dissipating member When disposed, the heat dissipating member may be disposed at a position corresponding to the heat generating component 6 on the circuit board 8. This arrangement is advantageous for directly guiding away the heat of the heat generating component 6, which is more conducive to heat dissipation than when it is not disposed at the corresponding position.
  • the heat sink 5 may be arranged to conduct heat in contact with the heat generating component 6 through the heat transfer medium. This contact heat conduction can quickly transfer heat to the heat sink 5, which is more conducive to heat dissipation than in the case of no contact.
  • the heat conductive medium may also be disposed as an elastic heat conductive medium, and the elastic heat conductive medium may protect the heat generating component 6 from being damaged when the heat sink 5 is in contact with the heat generating component 6.
  • the heat sink 5 may be disposed on a side of the heat generating component 6 as a smooth surface, and the heat sink 5 may be provided with a heat dissipating tooth 12 on a side of the heat generating component 6 .
  • the heat dissipating teeth 12 may be arranged in a strip shape.
  • one or more conduits 15 are provided on the side walls of the frame-shaped base 3, and the conduits 15 communicate the heat-dissipating chambers with the exterior of the first housing 2.
  • the ducts 15 are symmetrically disposed on both sides of the frame-shaped base 3, and the duct 15 connects the heat-dissipating chamber to the outside, wherein the connecting portion of the duct 15 and the first casing 2 is also sealed.
  • the passage formed by the conduit 15 can be used for heat dissipation or drainage.
  • the extending direction of the radiating teeth 12 may be set to be perpendicular to the direction of the duct 15.
  • a flow gap may be formed between the two ends of the strip-shaped heat dissipating teeth and the inner side wall of the heat dissipating chamber, and the gap is also favorable for drainage.
  • the purpose of the embodiments of the present invention is to solve the defects that the communication terminal device of the related art cannot be both waterproof and heat-dissipating, and provide a waterproof communication terminal having a heat dissipation structure, which has excellent heat dissipation performance and can prevent water or other liquid or conductivity.
  • the media enters the internal electrical unit of the device to prevent electrical safety accidents.
  • the waterproof communication terminal has a casing for sealing a circuit board;
  • the heat dissipation structure includes a vent hole provided on the casing, and a square base surrounding the vent hole inside the casing, and is mounted on the square base
  • There is a heat sink and the base of the heat sink is mounted on the square base by screws and gaskets, and forms a heat dissipation cavity with the vent holes.
  • the housing portion outside the heat dissipation cavity forms a sealed cavity in which the heat generating component is conducted in contact with the heat sink base to transfer heat to the heat sink.
  • the heat dissipating teeth of the heat sink convectively exchange heat with the outside air through the vent holes in the heat dissipating cavity.
  • a part of the heat sink realizes heat transfer of the component to the outside air in the heat dissipation cavity, and another part of the heat sink realizes heat conduction with the component in the sealed cavity body, thereby providing a heat dissipation path of the component, and simultaneously
  • the circuit board is sealed in a closed cavity and isolated from the outside.
  • a waterproof communication terminal having a heat dissipation structure includes a waterproof communication terminal having a heat dissipation structure, the whole machine including a sealed waterproof case, and a square base surrounding the vent hole inside the case, the circuit
  • the heat-generating component on the circuit board is provided with a heat sink.
  • the heat sink is fixed on the square base by a sealing ring and a screw, and the surface of the shell on which the square base is located is provided with a vent hole.
  • a heat dissipation cavity is added on the basis of the fully sealed casing to enhance the external heat dissipation capability of the casing.
  • a waterproof communication terminal embodiment having a heat dissipation structure As shown in FIG. 1, a waterproof communication terminal embodiment having a heat dissipation structure according to an embodiment of the present invention
  • the utility model comprises a waterproof communication terminal device with a heat dissipation structure, which is sealed and waterproof, and can be a wired or wireless communication whole machine, and the whole machine is placed in a vertical manner.
  • the whole machine includes a sealed second casing 10, and a circuit board 8 placed in the sealed second casing 10.
  • the circuit board 8 is fixed by screws (not shown) through the screw holes 7 and the studs 9 on the circuit board 8.
  • the component 6 is in contact with the heat sink 5 via a thermally conductive medium (not shown) such as a heat-conductive gasket, and the heat sink 5 is fixedly mounted on the square base 3 via the heat-dissipating base 11 and the sealing ring 4.
  • a thermally conductive medium such as a heat-conductive gasket
  • the square base 3 and the first casing 2 have a unitary structure, and the first 2 area of the casing where the square base 3 is located is provided with a vent hole 1 , and the heat sink 5 constitutes a heat dissipation cavity.
  • the space other than the heat dissipation cavity in the first casing 2 and the second casing 10 form a sealed waterproof cavity.
  • the convective heat exchange between the hot air in the heat dissipation cavity and the outside air causes the temperature in the sealed waterproof cavity to not rise too high, and the heat dissipating teeth 12 of the heat sink 5 are in the heat dissipation cavity, so that the heat generating component in the sealed waterproof cavity can be sealed.
  • the heat is taken out of the casing in time.
  • the heat dissipation diagram of this embodiment is shown in FIG. 2.
  • the heat generating component 6 on the circuit board 8 transfers heat to the heat sink 5.
  • the air in the heat radiating cavity is heated by the heat sink 5 to expand, forming a convection wind that flows in and out.
  • the direction indicated by the arrow is the direction of air flow.
  • heat exchange is performed with the heat dissipating teeth 12 and the heat dissipating base 11, and heat is taken out of the first casing 2 to improve heat dissipation and ambient temperature in the sealed waterproof cavity.
  • FIG. 3 The waterproof diagram of this embodiment is shown in FIG. 3.
  • water splashes on the first casing 2 water flows through the vent hole 1 into the first casing 2, and is automatically discharged through the vent hole 1 under the action of gravity.
  • a casing 2 the direction of the arrow is the flow direction of the water, thereby avoiding the long-term existence of water in the first casing 2, and the heat in the radiator 5 will evaporate and re-discharge the residual water to the outside.
  • the waterproof communication terminal having the heat dissipation structure of the embodiment of the present invention is included, and the whole machine is sealed and waterproof, and may be wired or wireless communication. Machine, and the whole machine is placed in a flat or vertical position.
  • the implementation of this embodiment is basically the same as that of Fig. 1, except that the square base 3 is provided with a duct 15 and communicates to the side of the first casing 2.
  • the heat dissipation diagram of this embodiment is shown in FIG. 5.
  • the heat generating component 6 on the circuit board 8 transfers heat to the heat sink 5.
  • the air in the heat radiating cavity is heated and expanded by the heat sink 5, and the direction indicated by the arrow is air flow.
  • Direction, duct 15 is a cold air inlet
  • vent 1 is a hot air outlet
  • air flow During the process, heat exchange is performed with the heat dissipating teeth 12 and the heat dissipation base 11 to take heat out of the first casing 2 to improve heat dissipation and ambient temperature in the sealed waterproof chamber.
  • FIG. 6 The waterproof diagram of this embodiment is shown in FIG. 6.
  • water splashes on the first casing 2 water flows through the vent hole 1 into the first casing 2, and is automatically discharged through the conduit 15 under the action of gravity.
  • the direction of the arrow in the casing 2 is the flow direction of the water, thereby preventing the water from being present in the first casing 2 for a long time, and the heat in the radiator 5 will evaporate and volatilize the residual water to the outside.
  • the other housing structure, the connector, and the like except the vent hole can be tightly waterproofed by a sealing material such as a sealing ring or a sealing rubber to ensure the waterproofness of the sealed cavity.
  • the waterproof communication terminal having the heat dissipation structure according to the embodiment of the present invention is provided with a heat dissipation cavity and a sealed cavity, which not only enhances heat dissipation, but also takes into consideration the waterproof level, and obtains an ideal heat dissipation and waterproof effect.
  • the embodiment of the present invention uses the following method:
  • the waterproof housing is separated from the two chambers by the heat dissipating component, that is, the main chamber and the heat dissipation
  • the chamber wherein the main chamber is a sealed chamber, protects the internal circuit board of the terminal device from liquid corrosion, and the heat dissipation chamber is used for heat dissipation of the internal circuit board, so that the terminal is well waterproofed while achieving good heat dissipation.
  • waterproofing and heat dissipation are combined into one terminal device, and in the related art, when the terminal device dissipates heat, it cannot achieve good waterproofing, and poses certain harm to the terminal device itself, and has a large The problem of safety hazards, so that the terminal equipment can still be well waterproofed under the condition of good heat dissipation, improves the waterproof and heat dissipation performance of the terminal equipment, and improves the user experience.
  • modules or steps of the present invention can be implemented by a general-purpose computing device, which can be concentrated on a single computing device or distributed over a network composed of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device, such that they may be stored in the storage device by the computing device and, in some cases, may be different from the order herein.
  • the steps shown or described are performed, or they are separately fabricated into individual integrated circuit modules, or a plurality of modules or steps are fabricated as a single integrated circuit module.
  • the invention is not limited to any specific combination of hardware and software.
  • the above is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes can be made to the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and scope of the present invention are intended to be included within the scope of the present invention.
  • the embodiment of the present invention combines waterproofing and heat dissipation into a terminal device, and solves the related art.
  • the terminal device dissipates heat, it cannot achieve good waterproofing, and poses certain harm to the terminal device itself, and has a large The problem of safety hazards, so that the terminal equipment can still be well waterproofed under the condition of good heat dissipation, improves the waterproof and heat dissipation performance of the terminal equipment, and improves the user experience.

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Casings For Electric Apparatus (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

本发明实施例公开了一种终端设备，包括：防水壳体，用于密封电路板8，其中，防水壳体上开有通气孔；散热部件，设置在防水壳体内，从防水壳体的内部空间中分隔出相互密封隔离的主腔室和散热腔室，电路板8设置在主腔室内，通气孔设置在防水壳体上对应于散热腔室的位置。通过运用本发明实施例，解决了相关技术中，终端设备散热时，无法做到良好的防水，对终端设备自身构成一定的危害，且存在较大的安全隐患的问题，进而使终端设备在良好散热的条件下仍能良好的防水，提升了终端设备防水及散热的性能，提高了用户体验。

Description

终端设备 技术领域
本发明涉及通信领域， 具体而言， 涉及一种终端设备。
背景技术
对于通信终端设备， 设备体积较小， 但内部的电路板上元器件存在一定 功耗， 会导致设备内部和设备壳体表面温升过高， 特别是当设备周围环境温 度很高时会影响设备的运行性能， 因此需要釆取散热措施。
通信终端设备主要包括供电单元和业务单元。 热量主要由业务单元的关 键器件产生， 散热处理的目的就是及时将发热元器件的热量转移到设备外部 空气中， 从而将设备内部的元件和设备壳体表面的温度控制在允许的长期稳 定运行范围内。
相关技术中， 通信终端一般釆用壳体开通气孔或封闭壳体导热技术， 壳 体开通气孔导热技术可以直接实现散热， 但是对于通信终端设备， 一旦用户 将水或其他导电介质通过散热孔引入设备内部， 继而触及设备内高压电气部 分， 将会存在较大的安全隐患， 危及人身和设备安全。 对于封闭壳体导热技 术， 虽然可以实现防水， 但仅适用于金属壳体或低功耗的情况， 当设备壳体 为塑料等低导热系数材料或功耗较大时， 增加的热量将难以寻求有效路径释 放， 同时设备内部和壳体表面的温升也会进一步升高， 从而影响设备使用可 靠性和用户感受度。
发明内容
本发明实施例提供了一种终端设备， 以至少解决相关技术中， 终端设备 散热时， 无法做到良好的防水， 对终端设备自身构成一定的危害， 且存在较 大的安全隐患的问题。
根据本发明的一个实施例， 提供了一种终端设备， 包括防水壳体、 电路 板和散热部件， 其中： 防水壳体， 用于密封电路板， 其中， 防水壳体上开有 通气孔； 散热部件， 设置在所述防水壳体内， 从所述防水壳体的内部空间中 分隔出相互密封隔离的主腔室和散热腔室，所述电路板设置在所述主腔室内， 所述通气孔设置在所述防水壳体上对应于所述散热腔室的位置。
优选地， 所述散热部件包括： 散热器， 框形基座， 夹设在所述散热器与 所述防水壳体之间，与所述散热器与所述防水壳体共同限定出所述散热腔室。
优选地， 所述终端设备还包括： 所述散热部件设置在与所述电路板上的 发热元器件相对应的位置。
优选地， 所述散热器与所述发热元器件通过导热介质接触导热。
优选地， 所述导热介质为弹性导热介质。
优选地， 所述框形基座与所述散热器通过密封圈密封连接。
优选地， 所述散热器朝向所述发热元器件的一侧为光面， 所述散热器与 所述发热元器件同向的一侧安装有散热齿。
优选地， 框形基座的侧壁上设有一个或多个导管， 所述导管将所述散热 腔室与所述防水壳体的外部相连通。
优选地， 所述散热齿为条形， 其延伸方向与所述导管的方向垂直。
优选地， 所述条形散热齿的两端分别与所述散热腔室的内侧壁之间形成 通间隙。
本发明实施例釆用了如下方法： 通过散热部件将防水壳体隔离出两个腔 室， 即主腔室和散热腔室， 其中， 主腔室是一个密封腔室， 保护终端设备内 部电路板不受液体的侵蚀， 散热腔室用于内部电路板的散热， 使终端在防水 的同时做到了良好的散热。 通过运用本发明实施例， 将防水与散热结合到一 个终端设备上， 解决了相关技术中， 终端设备散热时， 无法做到良好的防水， 对终端设备自身构成一定的危害， 且存在较大的安全隐患的问题， 进而使终 端设备在良好散热的条件下仍能良好的防水， 提升了终端设备防水及散热的 性能， 提高了用户体验。 附图概述
此处所说明的附图用来提供对本发明的进一步理解， 构成本申请的一部 分， 本发明的示意性实施例及其说明用于解释本发明， 并不构成对本发明的 不当限定。 在附图中：
图 1为才艮据本发明实施例的终端的结构分解示意图；
图 2为根据本发明实施例一的终端的散热示意图；
图 3为才艮据本发明实施例一的终端的防水示意图；
图 4为才艮据本发明实施例二的终端的结构分解示意图；
图 5为根据本发明实施例二的终端的散热示意图；
图 6为才艮据本发明实施例二的终端的防水示意图。 本发明的较佳实施方式
下文中将参考附图并结合实施例来详细说明本发明。 需要说明的是， 在 不冲突的情况下， 本申请中的实施例及实施例中的特征可以相互组合。
基于相关技术中， 终端设备散热时， 无法做到良好的防水， 对终端设备 自身构成一定的危害， 且存在较大的安全隐患的问题， 本发明实施例提供了 一种终端设备， 该终端设备的结构示意图如图 1所示， 包括防水壳体， 电路 板 8和散热部件， 其中：
防水壳体包括第一壳体 2和第二壳体 10, 用于密封电路板 8, 其中， 第 一壳体 2上开有通气孔；
散热部件， 设置在所述防水壳体内， 从所述防水壳体的内部空间中分隔 出相互密封隔离的主腔室和散热腔室， 所述电路板 8设置在所述主腔室内， 所述通气孔设置在所述防水壳体上对应于所述散热腔室的位置。
本发明实施例釆用了如下方法： 通过散热部件将防水壳体隔离出两个腔 室， 即主腔室和散热腔室， 其中， 主腔室是一个密封腔室， 保护终端设备内 部电路板不受液体的侵蚀， 散热腔室用于内部电路板的散热， 使终端在防水 的同时做到了良好的散热。 通过运用本发明实施例， 将防水与散热结合到一 个终端设备上， 解决了相关技术中， 终端设备散热时， 无法做到良好的防水， 对终端设备自身构成一定的危害， 且存在较大的安全隐患的问题， 进而使终 端设备在良好散热的条件下仍能良好的防水， 提升了终端设备防水及散热的 性能， 提高了用户体验。
在实施过程中， 所述散热部件可以包括： 散热器 5和框形基座 3 , 其中， 框形基座 3夹设在所述散热器 5与所述第一壳体 2之间， 与所述散热器与所 述第一壳体 2共同限定出所述散热腔室。 框形基座 3的一侧与第一壳体 2密 封连接， 为了表述清楚， 配图釆用分开成两个部件， 实际可直接做为一体成 型。 框形基座 3另一侧与散热器 5密封连接。 其中， 密封可以通过多种方式 实现， 例如， 釆用直接两个部件间的接合面直接贴合， 或者通过密封圈 /密封 胶之类密封材料进行密封连接。
框形基座 3还可以按照通气孔的排布而设计成任意形状， 例如， 通气孔 设置成三角形， 则相应的， 框形基座 3也可以设置成三角形， 当然， 框形基 座 3可以不按照通气孔进行设置， 只要框形基座 3的面积完全覆盖通气孔所 在的面积即可。
在设置时， 所述散热部件可以设置在与所述电路板 8上的发热元器件 6 相对应的位置。 此种设置有利于直接导走发热元器件 6的热量， 相对于没设 置在相应位置上的情况更利于散热。
在较优的情况下， 所述散热器 5可以设置为与所述发热元器件 6通过导 热介质接触导热。 此种接触导热可以将热量快速传输至散热器 5上， 相对于 没有接触的情况， 更有利于散热。 实施过程中， 所述导热介质还可以设置为 弹性导热介质， 弹性导热介质可以在散热器 5与发热元器件 6相接触时， 保 护发热元器件 6不被损坏。
在实施过程中 , 可以将所述散热器 5朝向所述发热元器件 6的一侧设置 为光面，所述散热器 5与所述发热元器件 6同向的一侧设置散热齿 12 ,其中， 散热齿 12可以设置为条形。
在一个优选实施过程中， 框形基座 3的侧壁上设有一个或多个导管 15 , 所述导管 15将所述散热腔室与所述第一壳体 2的外部相连通。 通常情况下， 导管 15对称设置在框形基座 3的两侧， 导管 15将散热腔室联通到外部， 其 中， 导管 15与第一壳体 2的连接部分也是密封的。 导管 15形成的通道可以 用于散热或排水。 在设置了导管 15的终端设备中， 散热齿 12的延伸方向可以设置为与所 述导管 15的方向垂直。设置时， 还可以将条形散热齿的两端分别与所述散热 腔室的内侧壁之间形成流通间隙， 该间隙也有利于排水。
优选实施例
本发明实施例的目的在于解决相关技术的通信终端设备防水和散热不能 兼顾的缺陷， 提供一种具有散热构造的防水型通信终端， 该散热构造散热性 能优良， 能够防止水或其他液体或导电性介质进入设备内部电气单元， 防止 电气安全性事故发生。
该防水型通信终端具有用于密闭电路板的壳体； 所述散热构造包括设于 所述壳体上的通气孔， 以及在壳体内侧包围通气孔的方形基座， 在方形基座 上安装有散热器， 所述散热器的基座通过螺丝和密封垫安装在方形基座上， 与所述的通气孔形成散热腔体。 所述散热腔体外的壳体部分形成密封腔体， 在所述密封腔体内发热元器件通过与散热器基座接触传导， 将热量传递至散 热器。 所述散热器的散热齿在所述的散热腔体内通过所述的通气孔与外界空 气对流换热。
该实施方式与相关技术相比较， 散热器一部分在散热腔体实现元器件对 外界空气传热， 散热器另一部分在密封腔体内实现与元器件的导热， 从而提 供了元器件的散热路径， 同时电路板密封在密闭腔体内， 与外界隔离。
以下结合附图对本发明的优选实施例进行说明。
实施例一
根据本发明实施例的具有散热构造的防水型通信终端包括一个具有散热 构造的防水型通信终端整机， 该整机包括密封防水壳体， 以及在壳体内侧包 围通气孔的方形基座， 电路板， 该电路板上的发热元器件上设有散热器， 散 热器通过密封圈和螺丝固定在方形基座上， 方形基座所在的壳体表面设有通 气孔。 本发明实施例在全密封壳体的基础上增设了散热腔体， 加强壳体对外 散热能力， 下面结合实施例详细介绍本发明的具有散热构造的防水通信终端 的实现方法。
如图 1所示， 在本发明实施例的具有散热构造的防水型通信终端实施例 中， 包括具有散热构造的防水型通信终端整机， 该整机为密封防水， 可以是 有线或无线通信整机， 并且整机的使用放置方式为立放。 整机包括密封第二 壳体 10, 以及置于密封第二壳体 10内的电路板 8, 电路板 8通过螺孔 7和螺 柱 9用螺钉（未示出） 固定， 电路板 8上的元器件 6通过导热衬垫等弹性导 热介质 （未示出）和散热器 5接触导热 , 散热器 5通过散热基座 11、 密封圈 4固定安装在方形基座 3上。
方形基座 3与第一壳体 2为整体结构， 方形基座 3所在的壳体第一 2区 域设有通气孔 1 , 与散热器 5构成散热腔体。 第一壳体 2中散热腔体以外的 空间和第二壳体 10形成密封防水腔体。散热腔体中的热空气不断的与外界空 气对流换热使得密封防水腔体内的温度不会上升过高， 散热器 5的散热齿 12 在散热腔体内，从而可以将密封防水腔体内的发热元件热量及时带出壳体外。
本实施例的散热示意图如图 2所示， 电路板 8上的发热元器件 6将热量 传递到散热器 5 , 散热腔体内的空气经散热器 5加热后膨胀， 形成下进上出 的对流风道， 箭头所示的方向为空气流动方向， 空气流动过程中与散热齿 12 以及散热基座 11进行热交换， 将热量带出第一壳体 2, 改善密封防水腔体内 的散热和环境温度。
本实施例的防水示意图如图 3所示， 外界有水溅到第一壳体 2时， 水流 经通气孔 1进入第一壳体 2, 在重力的作用下会自动再经通气孔 1排出第一 壳体 2, 箭头方向为水的流动方向， 从而避免了水长期存在于第一壳体 2中， 同时散热器 5中的热量会将残余的水向外界蒸干挥发。
实施例二
如图 4所示， 在本发明实施例的具有散热构造的防水型通信终端的实施 例中， 包括具有散热构造的防水通信终端整机， 该整机为密封防水， 可以是 有线或无线通信整机， 并且整机的使用放置方式为平放或立放。 本实施例的 实现方式与图一基本相同， 不同之处在于方形基座 3设有导管 15 , 并连通至 第一壳体 2的侧边。
本实施例的散热示意图如图 5所示， 电路板 8上的发热元器件 6将热量 传递到散热器 5 , 散热腔体内的空气经散热器 5加热后膨胀， 箭头所示的方 向为空气流动方向， 导管 15为冷空气进口， 通气孔 1为热空气出口， 空气流 动过程中与散热齿 12以及散热基座 11进行热交换， 将热量带出第一壳体 2, 改善密封防水腔体内的散热和环境温度。
本实施例的防水示意图如图 6所示， 外界有水溅到第一壳体 2时， 水流 经通气孔 1进入第一壳体 2, 在重力的作用下会自动再经导管 15排出第一壳 体 2, 箭头方向为水的流动方向， 从而避免了水长期存在于第一壳体 2 中， 同时散热器 5中的热量会将残余的水向外界蒸干挥发。
在本发明的各实施例中， 除通气孔外其余的壳体结构、 接插件等可以通 过密封圈、 封胶等密封材料做到紧密防水， 保证密闭腔体的防水性。
本发明实施例的具有散热构造的防水型通信终端， 设置散热腔体和密闭 腔体， 既加强了散热， 同时也兼顾了防水等级， 获得了理想的散热、 防水效 果。
从以上的描述中， 可以看出， 本发明实施例实现了如下技术效果： 本发明实施例釆用了如下方法： 通过散热部件将防水壳体隔离出两个腔 室， 即主腔室和散热腔室， 其中， 主腔室是一个密封腔室， 保护终端设备内 部电路板不受液体的侵蚀， 散热腔室用于内部电路板的散热， 使终端在防水 的同时做到了良好的散热。 通过运用本发明实施例， 将防水与散热结合到一 个终端设备上， 解决了相关技术中， 终端设备散热时， 无法做到良好的防水， 对终端设备自身构成一定的危害， 且存在较大的安全隐患的问题， 进而使终 端设备在良好散热的条件下仍能良好的防水， 提升了终端设备防水及散热的 性能， 提高了用户体验。
显然， 本领域的技术人员应该明白， 上述的本发明的各模块或各步骤可 以用通用的计算装置来实现， 它们可以集中在单个的计算装置上， 或者分布 在多个计算装置所组成的网络上， 可选地， 它们可以用计算装置可执行的程 序代码来实现， 从而， 可以将它们存储在存储装置中由计算装置来执行， 并 且在某些情况下， 可以以不同于此处的顺序执行所示出或描述的步骤， 或者 将它们分别制作成各个集成电路模块， 或者将它们中的多个模块或步骤制作 成单个集成电路模块来实现。 这样， 本发明不限制于任何特定的硬件和软件 结合。 以上所述仅为本发明的优选实施例而已， 并不用于限制本发明， 对于本 领域的技术人员来说， 本发明可以有各种更改和变化。 凡在本发明的精神和 原则之内， 所作的任何修改、 等同替换、 改进等， 均应包含在本发明的保护 范围之内。
工业实用性 本发明实施例将防水与散热结合到一个终端设备上，解决了相关技术中， 终端设备散热时， 无法做到良好的防水， 对终端设备自身构成一定的危害， 且存在较大的安全隐患的问题， 进而使终端设备在良好散热的条件下仍能良 好的防水， 提升了终端设备防水及散热的性能， 提高了用户体验。

Claims

权 利 要 求 书
1.一种终端设备， 包括防水壳体、 电路板（8)和散热部件； 其中： 所述防水壳体用于密封电路板（8) ,其中， 所述防水壳体上开有通气孔； 所述散热部件设置在所述防水壳体内， 从所述防水壳体的内部空间中分 隔出相互密封隔离的主腔室和散热腔室， 所述电路板（ 8 )设置在所述主腔室 内， 所述通气孔设置在所述防水壳体上对应于所述散热腔室的位置。
2.根据权利要求 1所述的终端设备， 其中， 所述散热部件包括： 散热器（5) , 以及
框形基座（3) , 其夹设在所述散热器（5)与所述防水壳体之间， 与所 述散热器与所述防水壳体共同限定出所述散热腔室。
3.根据权利要求 2所述的终端设备， 其中， 所述散热部件设置在与所述 电路板 (8)上的发热元器件（6)相对应的位置。
4.根据权利要求 3所述的终端设备， 其中， 所述散热器（5)与所述发热 元器件（6)通过导热介质接触导热。
5.根据权利要求 4所述的终端设备， 其中， 所述导热介质为弹性导热介
6.根据权利要求 2所述的终端设备， 其中， 所述框形基座（3)与所述散 热器（5)通过密封圈 （4) 密封连接。
7.根据权利要求 3所述的终端设备， 其中， 所述散热器（5)朝向所述发 热元器件（6)的一侧为光面， 所述散热器（5)与所述发热元器件（6) 同向 的一侧安装有散热齿（12) 。
8.根据权利要求 7所述的终端设备， 其中， 所述框形基座（3)的侧壁上 设有一个或多个导管 （15) , 所述导管 （15)将所述散热腔室与所述防水壳 体的外部相连通。
9.根据权利要求 8所述的终端设备， 其中， 所述散热齿（12)为条形， 其延伸方向与所述导管 （15) 的方向垂直。
10.根据权利要求 9所述的终端设备， 其中， 所述条形散热齿的两端分别 与所述散热腔室的内侧壁之间形成流通间隙。
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CN101763147A (zh) * 2009-09-16 2010-06-30 研祥智能科技股份有限公司 一种密封防水终端

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CN110402070A (zh) * 2019-08-13 2019-11-01 广东工业大学 一种射频拉远单元散热装置
CN110402070B (zh) * 2019-08-13 2024-05-07 广东工业大学 一种射频拉远单元散热装置

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