WO2018053736A1 - 潜水泵系统及其潜水泵 - Google Patents

潜水泵系统及其潜水泵 Download PDF

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Publication number
WO2018053736A1
WO2018053736A1 PCT/CN2016/099653 CN2016099653W WO2018053736A1 WO 2018053736 A1 WO2018053736 A1 WO 2018053736A1 CN 2016099653 W CN2016099653 W CN 2016099653W WO 2018053736 A1 WO2018053736 A1 WO 2018053736A1
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WO
WIPO (PCT)
Prior art keywords
submersible pump
control device
motor
heat dissipation
submersible
Prior art date
Application number
PCT/CN2016/099653
Other languages
English (en)
French (fr)
Inventor
陆本度
廖志强
Original Assignee
易达科技(深圳)有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 易达科技(深圳)有限公司 filed Critical 易达科技(深圳)有限公司
Priority to CN201680007600.8A priority Critical patent/CN107438716B/zh
Priority to PCT/CN2016/099653 priority patent/WO2018053736A1/zh
Publication of WO2018053736A1 publication Critical patent/WO2018053736A1/zh

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00Pumping installations or systems
    • F04D13/02Units comprising pumps and their driving means
    • F04D13/06Units comprising pumps and their driving means the pump being electrically driven
    • F04D13/08Units comprising pumps and their driving means the pump being electrically driven for submerged use
    • F04D13/10Units comprising pumps and their driving means the pump being electrically driven for submerged use adapted for use in mining bore holes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D15/00Control, e.g. regulation, of pumps, pumping installations or systems
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/02Selection of particular materials
    • F04D29/026Selection of particular materials especially adapted for liquid pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/08Sealings
    • F04D29/086Sealings especially adapted for liquid pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/40Casings; Connections of working fluid
    • F04D29/406Casings; Connections of working fluid especially adapted for liquid pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/58Cooling; Heating; Diminishing heat transfer
    • F04D29/5813Cooling the control unit
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/58Cooling; Heating; Diminishing heat transfer
    • F04D29/586Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K11/00Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/30Structural association with control circuits or drive circuits
    • H02K11/33Drive circuits, e.g. power electronics
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K5/00Casings; Enclosures; Supports
    • H02K5/04Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/12Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
    • H02K5/132Submersible electric motors

Definitions

  • the present invention relates to a water pump system, and more particularly to a submersible pump system applied to an underwater vehicle and a submersible pump thereof.
  • the electronic components of the control device in the water pump of the related art usually generate a large amount of heat. If the water pump is used in air, a heat dissipation fan is usually installed on the aluminum alloy heat sink to release heat into the air. However, if the submersible pump is used underwater, the cooling fan cannot be installed, so the heat of the electronic components cannot be released well.
  • the technical problem to be solved by the present invention is to provide an improved submersible pump system and a submersible pump thereof.
  • the technical solution adopted by the present invention to solve the technical problem is: constructing a submersible pump, comprising a protective casing, and a pump body, a motor, and a control device disposed in the protective casing;
  • an output shaft of the motor is coupled to the pump body
  • the submersible pump further includes a sealing mechanism that seals the control device outside the control device, and a heat dissipation system that dissipates heat of the control device to the outside.
  • the heat dissipation system includes a heat dissipation cavity located in the sealing mechanism, a heat dissipation medium is disposed in the heat dissipation cavity, and a hot end of the heat dissipation cavity is in contact with the control device, The cold end of the heat dissipation cavity is in contact with the protective casing.
  • the heat dissipation system further includes a heat sink disposed outside the protective shell, and the position of the heat sink corresponds to a position of the heat dissipation chamber to derive heat of the control device.
  • the sealing mechanism comprises a first epoxy layer surrounding the control device, and the heat dissipation cavity is a heat pipe disposed in the first epoxy layer.
  • the motor is provided with a waterproof structure for waterproofing the motor, and the output shaft is disposed through the device.
  • the waterproof structure is connected to the pump body.
  • the waterproof structure comprises a second epoxy layer coated on the outside of the motor, and a protective sleeve sleeved outside the second epoxy layer, the second epoxy resin
  • a rotating hole corresponding to the output shaft is disposed on the layer and the protective sleeve, and a sealing sleeve is sleeved on the output shaft of the motor, and the sealing sleeve is sealingly engaged with the rotating hole.
  • the protective cover includes a first shielding body and a second shielding body detachably mounted with the first shielding body, and the first shielding body and the second shielding body are respectively detachably mounted to the Said outside the motor.
  • the motor is a low voltage DC permanent magnet synchronous motor.
  • the protective casing has a cylindrical shape, and the pump body, the motor, and the control device are sequentially arranged in the axial direction, and the motor is located between the pump body and the control device.
  • control device comprises a driving circuit board and a communication module for communicating with the outside, and the communication module is disposed on the driving circuit board and electrically connected to the driving circuit board.
  • the present invention also constructs a submersible pump system including a main body, and the submersible pump, the submersible pumps are connected in parallel, and the main body is electrically connected to a control device of the submersible pump to the dive
  • the pump provides control signals as well as power.
  • the host is electrically connected to the submersible pump through a main control line to provide a control signal, and is electrically connected to the submersible pump through a power line to provide power.
  • the submersible pump system and the submersible pump thereof embodying the present invention have the following beneficial effects:
  • the control device of the submersible pump of the present invention dissipates heat through the sealing mechanism and the protective casing through the heat dissipation system, thereby ensuring sealing and waterproofing of the control device.
  • the heat of the electronic components on the control device in the sealing mechanism can be released to the water to meet the heat dissipation effect of the electronic components.
  • the submersible pumps of the submersible pump system are connected in parallel, and the main engine is electrically connected with the control devices of the submersible pumps to provide control signals and power to the submersible pumps.
  • the host computer is connected in parallel with all submersible pump control signals of the same system through a main control line to provide control signals, and is connected in parallel with all submersible pump power lines of the same system through a power supply line to provide power, which can reduce control lines and power lines.
  • the length of the wiring saving material.
  • FIG. 1 is a schematic view showing the internal structure of a submersible pump in an embodiment of the present invention
  • FIG. 2 is a schematic diagram of a system in which a plurality of submersible pumps are connected in parallel to a host;
  • FIG. 3 is a schematic structural view of the heat sink of FIG. 1;
  • FIG. 4 is a schematic cross-sectional structural view of the motor of FIG. 1;
  • FIG. 5 is an exploded perspective view of the protective cover of FIG. 4.
  • a submersible pump A in a preferred embodiment of the present invention includes a protective casing 1, a pump body 2 disposed in the protective casing 1, a motor 3, and a control device 4, and the protective casing 1 is paired
  • the internal motor 3 and the control unit 4 perform preliminary waterproofing.
  • the protective case 1 is usually made of stainless steel, which not only ensures strength, but also protects against corrosion in water.
  • the output shaft 31 of the motor 3 is connected to the pump body 2 to drive the pump body 2 to operate pumping.
  • the submersible pump A further includes a sealing mechanism 5 that seals the control device 4 outside the control device 4, and a heat dissipation system 6 that radiates heat from the control device 4.
  • the heat dissipating system 6 dissipates heat outwardly through the sealing mechanism 5 and the protective casing 1, which not only ensures the sealing and waterproofing of the control device 4, but also releases the heat of the electronic component 41 on the control device 4 in the sealing mechanism 5 to the water, which satisfies The heat dissipation effect of the electronic component 41.
  • the submersible pump A can be used in a fountain submersible pump, and a plurality of submersible pumps A and a main unit 7 can be used in combination to form a submersible pump system.
  • Each submersible pump A is connected in parallel, and the main unit 7 is electrically connected to the control unit 4 of each submersible pump A to provide a control signal and a power supply to the submersible pump A.
  • the host computer 7 is electrically connected to the submersible pump A through a main control line to provide a control signal, and is electrically connected in parallel with all the submersible pumps A through a power supply line to provide power. This connection method can reduce the wiring length of the control line and the power line, saving material.
  • the protective casing 1 has a cylindrical shape, and the pump body 2, the motor 3, and the control device 4 are sequentially arranged in the axial direction, and the motor 3 is located between the pump body 2 and the control device 4.
  • the above arrangement can make the submersible pump A have a longitudinal shape, reduce the occupied space, and also make the protective casing 1 easy to process, and facilitate assembly of the pump body 2, the motor 3, and the control device 4 into an integrated structure.
  • the arrangement of the pump body 2, the motor 3, and the control device 4 may be of other types.
  • the control device 4 includes a drive circuit board 42 and a communication module for communicating with the outside.
  • the communication module 43 is disposed on the drive circuit board 42 and is electrically connected to the drive circuit board 42.
  • the model of the communication module 43 is a DMX512 communication module.
  • the line of the control unit 4 is connected to the outside through the sealing mechanism 5 and the protective casing 1, and is also connected to the motor 3 through the sealing mechanism 5.
  • the heat dissipation system 6 includes a heat dissipation cavity 61 located in the sealing mechanism 5, and a heat dissipation medium 61 is disposed in the heat dissipation cavity 61, and the heat dissipation cavity 61 is adjacent to the control device 4 and the protective case 1, respectively.
  • the heat-dissipating working medium is usually a liquid which is easily vaporized after being heated by water or alcohol.
  • the temperature in the sealing mechanism 5 is higher than the temperature outside the submersible pump A, and the heat-dissipating chamber 61 is close to the sealing mechanism.
  • the temperature and pressure at the end of the fifth end are higher than the temperature and pressure of the end of the heat dissipation chamber 61 near the protective casing 1.
  • the heat-dissipating working medium in the heat-dissipating cavity 61 absorbs heat near the end of the sealing mechanism 5, is vaporized at a high temperature, and flows toward the end close to the protective casing 1. After flowing to the end of the protective casing 1 , it will be liquefied in a lower temperature environment, and will flow back to the 5 end of the sealing mechanism, and heat will be transferred to the end of the protective casing 1 . In this cycle, the temperature of the electronic component 41 in the sealing mechanism 5 is transmitted to the outside of the protective casing 1 to achieve heat dissipation.
  • the sealing mechanism 5 includes a first epoxy layer surrounding the control device 4, and after the control device 4 is installed and positioned, the control device 4 is sealed by means of glue filling or the like, and the sealing effect is good. Preventing water from entering the control device 4 causes damage.
  • the wiring of the control device 4 can be taken out from the first epoxy layer and then placed through the protective casing 1 to be connected to the outside, and sealed with the protective casing 1.
  • the heat dissipation cavity 61 is a heat pipe 62 disposed in the first epoxy resin layer.
  • the two ends of the heat pipe 62 are adjacent to the control device 4 and the protective casing 1, respectively, so that the heat dissipation medium will be in the process of vaporization and liquefaction.
  • the heat is transferred to the side of the protective casing 1 to dissipate heat to the outside of the protective casing 1.
  • the heat dissipation system 6 further includes a heat sink 63 disposed outside the shield case 1, the position of the heat sink 63 corresponding to the position of the heat dissipation cavity 61 to derive the heat of the control device 4.
  • the heat sink 63 includes a substrate 631 and a plurality of heat dissipation plates 632 spaced apart from the substrate 631.
  • the substrate 631 is disposed adjacent to the outer surface of the protective case 1 to absorb heat transferred to the protective case 1 on the substrate 631.
  • the heat is transferred to the heat dissipation plate 632 to dissipate heat to the water, thereby increasing the speed of heat dissipation, thereby realizing the heat transfer of the electronic component 41 on the control device 4 to the water.
  • the heat sink 63 may also be eliminated, and the protective shell 1 is disposed at a position corresponding to the heat dissipation cavity 61.
  • the concave and convex structure is added to increase the heat dissipation area of the protective shell 1 to improve the heat dissipation speed.
  • the motor 3 is a low voltage DC permanent magnet synchronous motor.
  • the permanent magnet synchronous motor is excited by the permanent magnet, which makes the structure of the motor 3 relatively simple, reduces the processing and assembly costs, and saves the troublesome collector ring and the brush, thereby improving the reliability of the operation of the motor 3;
  • the motor 3 is provided with a waterproof structure 32 for waterproofing the motor 3.
  • the output shaft 31 is connected to the pump body 2 through the waterproof structure 32, and the motor 3
  • the connected line is connected to the motor 3 through a waterproof structure 32.
  • the waterproof structure 32 can further improve the waterproof effect on the motor 3 and prevent damage to the motor 3 after the water enters.
  • the waterproof structure 32 includes a second epoxy layer 321 covering the outside of the motor 3, and a protective sleeve 322 sleeved outside the second epoxy layer 321 , and a second epoxy layer 321 ,
  • the protective sleeve 322 is provided with a rotating hole 323 corresponding to the output shaft 31.
  • the output shaft 31 of the motor 3 is sleeved with a sealing sleeve 324, and the sealing sleeve 324 is sealingly engaged with the rotating hole 323 to prevent the position of the output shaft 31 in the water from entering the motor 3.
  • the second epoxy resin layer 321 can also seal the motor 3 by means of potting after the protective sleeve 322 and the motor 3 are installed and positioned, and the sealing effect is good.
  • the protective cover 322 includes a first shielding body 3221 and a second shielding body 3222 detachably mounted with the first shielding body 3221, and the first shielding body 3221 and the second shielding body 3222 respectively Removably mounted to the outside of the motor 3.
  • the first shield body 3221 and the second shield body 3222 are respectively mounted from the two sides of the motor 3 to the outside of the motor 3 to facilitate the outer covering of the motor 3.
  • the protective casing 1 may also be a unitary structure, and the motor 3 is covered by folding, and then the joint edges are locked and fixed to form a box structure.

Abstract

一种潜水泵系统及其潜水泵,潜水泵包括防护壳(1)、以及设置在所述防护壳(1)内的泵体(2)、电机(3) 和控制装置(4)。电机(3)的输出轴(31)与所述泵体(2)连接。潜水泵还包括包覆在控制装置(4)外对控制装置(4)密封的密封机构(5),以及将控制装置(4)的热量向外散发的散热系统(6)。该潜水泵中的控制装置(4)通过散热系统(6)经由密封机构(5)、防护壳(1)向外散热,既保证了对控制装置(4)的密封防水,又可使密封机构(5)内控制装置(4)上的电子元件的热量向外释放到水中,满足电子元件的散热效果。另外,潜水泵系统的潜水泵并联,主机通过一条主控制线路与同一系统的潜水泵控制装置并联电连接提供控制信号,并通过一条电源线路与同一系统的潜水泵电源线并联连接提供电源,减少控制线路和电源线路布线长度,节省用料。

Description

潜水泵系统及其潜水泵
技术领域
[0001] 本发明涉及水泵系统, 更具体地说, 涉及一种应用于水下的潜水泵系统及其潜 水泵。
背景技术
[0002] 相关技术中的水泵中的控制装置的电子元件通常会产生较大热量, 若水泵在空 气中使用, 通常会在铝合金散热器上安装散热风扇, 把热量释放到空气中。 但 潜水泵若是在水下使用, 无法安装散热风扇, 所以无法很好的把电子元件的热 量释放出来。
技术问题
[0003] 本发明要解决的技术问题在于, 提供一种改进的潜水泵系统及其潜水泵。
问题的解决方案
技术解决方案
[0004] 本发明解决其技术问题所采用的技术方案是: 构造一种潜水泵, 包括防护壳、 以及设置在所述防护壳内的泵体、 电机、 控制装置;
[0005] 所述电机的输出轴与所述泵体连接;
[0006] 所述潜水泵还包括包覆在所述控制装置外对所述控制装置密封的密封机构, 以 及将所述控制装置的热量向外散发的散热系统。
[0007] 优选地, 所述散热系统包括位于在所述密封机构内的散热腔, 所述散热腔内设 有散热工质, 所述散热腔的热端与所述控制装置相接触, 所述散热腔的冷端与 所述防护壳相接。
[0008] 优选地, 所述散热系统还包括设置在所述防护壳外的散热片, 所述散热片的位 置与所述散热腔的位置对应, 以导出所述控制装置的热量。
[0009] 优选地, 所述密封机构包括围设在所述控制装置外的第一环氧树脂层, 所述散 热腔为设置在所述第一环氧树脂层内的热管。
[0010] 优选地, 所述电机外设有对所述电机进行防水的防水结构, 所述输出轴穿设所 述防水结构与所述泵体连接。
[0011] 优选地, 所述防水结构包括包覆在所述电机外的第二环氧树脂层、 以及套设在 所述第二环氧树脂层外的防护套, 所述第二环氧树脂层、 及所述防护套上设有 与所述输出轴对应的转动孔, 所述电机的输出轴上套设有密封套, 所述密封套 与所述转动孔之间密封配合。
[0012] 优选地, 所述防护套包括第一防护体和与所述第一防护体可拆卸安装的第二防 护体, 所述第一防护体和第二防护体分别可拆卸地安装到所述电机外。
[0013] 优选地, 所述电机为低压直流永磁同步电机。
[0014] 优选地, 所述防护壳呈筒状, 所述泵体、 电机、 控制装置沿轴向依次排布, 所 述电机位于所述泵体和所述控制装置之间。
[0015] 优选地, 所述控制装置包括驱动电路板、 以及用于与外部通讯的通讯模块, 所 述通讯模块设置在所述驱动电路板上, 并与所述驱动电路板电连接。
[0016] 本发明还构造一种潜水泵系统, 包括主机、 以及所述的潜水泵, 所述潜水泵并 联连接, 并且所述主机与所述潜水泵的控制装置电连接, 以向所述潜水泵提供 控制信号以及电源。
[0017] 优选地, 所述主机通过一主控制线路与所述潜水泵电连接以提供控制信号, 并 通过一电源线路与所述潜水泵电连接以提供电源。
发明的有益效果
有益效果
[0018] 实施本发明的潜水泵系统及其潜水泵, 具有以下有益效果: 本发明潜水泵中控 制装置通过散热系统经由密封机构、 防护壳向外散热, 既保证了对控制装置的 密封防水, 又可使密封机构内控制装置上的电子元件的热量向外释放到水中, 满足电子元件的散热效果。 另外, 潜水泵系统的潜水泵并联, 主机与各潜水泵 的控制装置电连接, 以向潜水泵提供控制信号以及电源。 主机通过一条主控制 线路与所有同一系统的潜水泵控制信号并联电连接以提供控制信号, 并通过一 电源线路与所有同一系统的潜水泵电源线并联连接以提供电源, 可以减少控制 线路和电源线路的布线长度, 节省用料。
对附图的简要说明 附图说明
[0019] 下面将结合附图及实施例对本发明作进一步说明, 附图中:
[0020] 图 1是本发明实施例中的潜水泵的内部结构示意图;
[0021] 图 2是多个潜水泵并联后与主机连接吋的系统示意图;
[0022] 图 3是图 1中的散热片的结构示意图;
[0023] 图 4是图 1中的电机的剖面结构示意图;
[0024] 图 5是图 4中的防护套的分解示意图。
实施该发明的最佳实施例
本发明的最佳实施方式
[0025] 为了对本发明的技术特征、 目的和效果有更加清楚的理解, 现对照附图详细说 明本发明的具体实施方式。
[0026] 如图 1所示, 本发明一个优选实施例中的潜水泵 A包括防护壳 1、 以及设置在防 护壳 1内的泵体 2、 电机 3、 控制装置 4, 防护壳 1起到对内部的电机 3、 控制装置 4 进行初步防水的作用。 防护壳 1的材质通常为不锈钢, 既能保证强度, 又能起到 在水中吋防腐蚀的目的。
[0027] 电机 3的输出轴 31与泵体 2连接, 带动泵体 2运转抽水。 潜水泵 A还包括包覆在控 制装置 4外对控制装置 4密封的密封机构 5, 以及将控制装置 4的热量向外散发的 散热系统 6。 散热系统 6经由密封机构 5、 防护壳 1向外散热, 既保证了对控制装 置 4的密封防水, 又可使密封机构 5内控制装置 4上的电子元件 41的热量向外释放 到水中, 满足电子元件 41的散热效果。
[0028] 如图 2所示, 潜水泵 A可用于喷泉潜水泵, 多个潜水泵 A和一个主机 7可以组合 使用, 形成潜水泵系统。 各潜水泵 A并联, 主机 7与各潜水泵 A的控制装置 4电连 接, 以向潜水泵 A提供控制信号以及电源。 主机 7通过一主控制线路与潜水泵 A电 连接以提供控制信号, 并通过一电源线路与所有潜水泵 A并联电连接以提供电源 , 该连接方式可以减少控制线路和电源线路的布线长度, 节省用料。
[0029] 防护壳 1呈筒状, 泵体 2、 电机 3、 控制装置 4沿轴向依次排布, 电机 3位于泵体 2 和控制装置 4之间。 以上排布方式可以让潜水泵 A呈纵长形, 减小占用空间, 同 吋, 也让防护壳 1容易加工, 便于将泵体 2、 电机 3、 控制装置 4组装成一体结构 。 在其他实施例中, 泵体 2、 电机 3、 控制装置 4的排布方式也可为其他类型。
[0030] 在一些实施例中, 控制装置 4包括驱动电路板 42、 以及用于与外部通讯的通讯 模块 43, 通讯模块 43设置在驱动电路板 42上, 并与驱动电路板 42电连接。 优选 地, 通讯模块 43的型号为 DMX512通讯模块。 控制装置 4的线路穿过密封机构 5和 防护壳 1与外部连接, 同吋还穿过密封机构 5与电机 3连接。
[0031] 在一些实施例中, 散热系统 6包括位于在密封机构 5内的散热腔 61, 散热腔 61内 设有散热工质, 散热腔 61分别与控制装置 4和防护壳 1邻近。
[0032] 散热工质通常为水或酒精等在受热后容易被汽化的液体, 在潜水泵 A运行吋, 密封机构 5内的温度会高于潜水泵 A外的温度, 散热腔 61靠近密封机构 5—端的温 度和气压则会高于散热腔 61靠近防护壳 1一端的温度和气压。
[0033] 散热腔 61内的散热工质在靠近密封机构 5—端会吸收热量, 在高温下被汽化, 向靠近防护壳 1一端流通。 在流通到靠近防护壳 1一端吋, 会在温度较低的环境 下被液化, 重新流到靠近密封机构 5—端, 热量也传递到靠近防护壳 1一端。 如 此循环, 将密封机构 5内电子元件 41的温度传递到防护壳 1外实现散热。
[0034] 优选地, 密封机构 5包括围设在控制装置 4外的第一环氧树脂层, 可以在控制装 置 4安装定位后, 采用灌胶等方式将控制装置 4密封, 密封效果好, 能防止水进 入对控制装置 4造成损坏。 控制装置 4的线路可由第一环氧树脂层引出后再穿设 防护壳 1与外部连接, 与防护壳 1之间密封配合。
[0035] 进一步地, 散热腔 61为设置在第一环氧树脂层内的热管 62, 热管 62的两端分别 与控制装置 4和防护壳 1邻近, 让散热工质在汽化、 液化过程中将热量传递到防 护壳 1一侧, 向防护壳 1外散热。
[0036] 在一些实施例中, 散热系统 6还包括设置在防护壳 1外的散热片 63, 散热片 63的 位置与散热腔 61的位置对应, 以导出所述控制装置 4的热量。 结合图 3所示, 散 热片 63包括基板 631和间隔设置在基板 631上的若干散热板 632, 基板 631与防护 壳 1的外侧面贴合设置, 吸收传递到防护壳 1的热量, 基板 631上的热量再传递到 散热板 632, 向水中散热, 提升散热的速度, 从而实现将控制装置 4上电子元件 4 1的热量传递到水中散热。
[0037] 在其他实施例中, 也可将散热片 63取消, 在防护壳 1与散热腔 61对应的位置设 置凹凸结构, 增加防护壳 1向外散热的面积, 提升散热速度。
[0038] 优选地, 电机 3为低压直流永磁同步电机。 永磁同步电机以永磁体提供励磁, 使电机 3结构较为简单, 降低了加工和装配费用, 且省去了容易出问题的集电环 和电刷, 提高了电机 3运行的可靠性; 又因无需励磁电流, 没有励磁损耗, 提高 了电机 3的效率和功率密度, 一般比交流异步电机 3效率要提高 15~20%, 即效率 可以达到 90%以上。
[0039] 结合图 4所示, 进一步地, 在一些实施例中, 电机 3外设有对电机 3进行防水的 防水结构 32, 输出轴 31穿设防水结构 32与泵体 2连接, 与电机 3连接的线路穿设 防水结构 32与电机 3连接。 防水结构 32可进一步提升对电机 3的防水效果, 防止 水进入后对电机 3造成损坏。
[0040] 优选地, 防水结构 32包括包覆在电机 3外的第二环氧树脂层 321、 以及套设在第 二环氧树脂层 321外的防护套 322, 第二环氧树脂层 321、 及防护套 322上设有与 输出轴 31对应的转动孔 323。 电机 3的输出轴 31上套设有密封套 324, 密封套 324 与转动孔 323之间密封配合, 防止水中输出轴 31的位置进入到电机 3内。
[0041] 第二环氧树脂层 321也可在防护套 322和电机 3安装定位后, 采用灌胶等方式将 电机 3密封包覆, 密封效果好。
[0042] 优选地, 如图 5所示, 防护套 322包括第一防护体 3221和与第一防护体 3221可拆 卸安装的第二防护体 3222, 第一防护体 3221和第二防护体 3222分别可拆卸地安 装到电机 3外。 优选地, 第一防护体 3221、 第二防护体 3222分别从电机 3的两侧 安装到电机 3外, 便于在电机 3外包覆。 在其他实施例中, 防护壳 1也可为一体结 构, 通过折叠的方式将电机 3包覆后再将结合边锁合固定形成箱体结构。
[0043] 可以理解地, 上述各技术特征可以任意组合使用而不受限制。
[0044] 以上所述仅为本发明的实施例, 并非因此限制本发明的专利范围, 凡是利用本 发明说明书及附图内容所作的等效结构或等效流程变换, 或直接或间接运用在 其他相关的技术领域, 均同理包括在本发明的专利保护范围内。

Claims

权利要求书
[权利要求 1] 一种潜水泵, 其特征在于, 包括防护壳 (1) 、 以及设置在所述防护 壳 (1) 内的泵体 (2) 、 电机 (3) 、 控制装置 (4) ;
所述电机 (3) 的输出轴 (31) 与所述泵体 (2) 连接;
所述潜水泵还包括包覆在所述控制装置 (4) 外对所述控制装置 (4) 密封的密封机构 (5) , 以及将所述控制装置 (4) 的热量向外散发的 散热系统 (6) 。
[权利要求 2] 根据权利要求 1所述的潜水泵, 其特征在于, 所述散热系统 (6) 包括 位于在所述密封机构 (5) 内的散热腔 (61) , 所述散热腔 (61) 内 设有散热工质, 所述散热腔 (61) 的热端与所述控制装置 (4) 相接 触, 所述散热腔 (61) 的冷端与所述防护壳 (1) 相接。
[权利要求 3] 根据权利要求 2所述的潜水泵, 其特征在于, 所述散热系统 (6) 还包 括设置在所述防护壳 (1) 外的散热片 (63) , 所述散热片 (63) 的 位置与所述散热腔 (61) 的位置对应, 以导出所述控制装置 (4) 的 員。
[权利要求 4] 根据权利要求 2所述的潜水泵, 其特征在于, 所述密封机构 (5) 包括 围设在所述控制装置 (4) 外的第一环氧树脂层, 所述散热腔 (61) 为设置在所述第一环氧树脂层内的热管 (62) 。
[权利要求 5] 根据权利要求 1所述的潜水泵, 其特征在于, 所述电机 (3) 外设有对 所述电机 (3) 进行防水的防水结构 (32) , 所述输出轴 (31) 穿设 所述防水结构 (32) 与所述泵体 (2) 连接。
[权利要求 6] 根据权利要求 5所述的潜水泵, 其特征在于, 所述防水结构 (32) 包 括包覆在所述电机 (3) 外的第二环氧树脂层 (321) 、 以及套设在所 述第二环氧树脂层 (321) 外的防护套 (322) , 所述第二环氧树脂层 (321) 、 及所述防护套 (322) 上设有与所述输出轴 (31) 对应的转 动孔 (323) , 所述电机 (3) 的输出轴 (31) 上套设有密封套 (324 ) , 所述密封套 (324) 与所述转动孔 (323) 之间密封配合。
[权利要求 7] 根据权利要求 6所述的潜水泵, 其特征在于, 所述防护套 (322) 包括 第一防护体 (3221) 和与所述第一防护体 (3221) 可拆卸安装的第二 防护体 (3222) , 所述第一防护体 (3221) 和第二防护体 (3222) 分 别可拆卸地安装到所述电机 (3) 夕卜。
[权利要求 8] 根据权利要求 1至 7任一项所述的潜水泵, 其特征在于, 所述电机 (3
) 为低压直流永磁同步电机。
[权利要求 9] 根据权利要求 1至 7任一项所述的潜水泵, 其特征在于, 所述防护壳 (
1) 呈筒状, 所述泵体 (2) 、 电机 (3) 、 控制装置 (4) 沿轴向依次 排布, 所述电机 (3) 位于所述泵体 (2) 和所述控制装置 (4) 之间
[权利要求 10] 根据权利要求 1至 7任一项所述的潜水泵, 其特征在于, 所述控制装置
(4) 包括驱动电路板 (42) 、 以及用于与外部通讯的通讯模块 (43 ) , 所述通讯模块 (43) 设置在所述驱动电路板 (42) 上, 并与所述 驱动电路板 (42) 电连接。
[权利要求 11] 一种潜水泵系统, 其特征在于, 包括主机 (7) 、 以及至少两个权利 要求 1-10任一项所述的潜水泵, 所述潜水泵并联连接, 并且所述主机 (7) 与所述潜水泵的控制装置电连接, 以向所述潜水泵提供控制信 号以及电源。
[权利要求 12] 根据权利要求 11所述的潜水泵系统, 其特征在于, 所述主机 (7) 通 过一主控制线路与所述潜水泵电连接以提供控制信号, 并通过一电源 线路与所述潜水泵电连接以提供电源。
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