WO2014005373A1 - 变频器、控制器和伺服驱动器的功率驱动结构 - Google Patents

变频器、控制器和伺服驱动器的功率驱动结构 Download PDF

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Publication number
WO2014005373A1
WO2014005373A1 PCT/CN2012/081123 CN2012081123W WO2014005373A1 WO 2014005373 A1 WO2014005373 A1 WO 2014005373A1 CN 2012081123 W CN2012081123 W CN 2012081123W WO 2014005373 A1 WO2014005373 A1 WO 2014005373A1
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Prior art keywords
power
drive
controller
tube
mos
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PCT/CN2012/081123
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English (en)
French (fr)
Inventor
戴杰
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Dai Jie
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Publication of WO2014005373A1 publication Critical patent/WO2014005373A1/zh

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    • 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
    • H05K7/14—Mounting supporting structure in casing or on frame or rack
    • H05K7/1422—Printed circuit boards receptacles, e.g. stacked structures, electronic circuit modules or box like frames
    • H05K7/1427—Housings
    • H05K7/1432—Housings specially adapted for power drive units or power converters
    • H05K7/14322—Housings specially adapted for power drive units or power converters wherein the control and power circuits of a power converter are arranged within the same casing
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/003—Constructional details, e.g. physical layout, assembly, wiring or busbar connections

Definitions

  • the invention relates to a power driving structure for a machine electric control technology, which is mainly used for an inverter, a controller and a servo drive of an electric vehicle and a numerical control machine.
  • the power drive structure of the existing inverter, controller and servo drive is inconvenient in production and installation, and it takes a lot of time to install.
  • the current bus to the drive length of each phase is inconsistent, the internal resistance and the inductance are inconsistent, resulting in inconsistent phase currents.
  • the parasitic voltage leads to poor anti-overload performance of the control system, and the reliability of the heat generation is greatly reduced.
  • the invention provides a power drive structure of a frequency converter, a controller and a servo drive, so as to solve the problem that the power drive structure of the inverter, the controller and the driver are large in size, the internal resistance of the loop is inconsistent, and the parasitic voltage and the overload resistance are easily generated. The difference in reliability is reduced by self-heating.
  • a power drive structure of a frequency converter, a controller and a servo drive the drive structure comprises an internal drive control device, a MOS tube fixed mounting frame assembly and a positive power tube fixed mounting ring,
  • the external heat sink housing, the driving control device is provided with an inner ⁇ M0S power tube and an outer ⁇ M0S power tube, and the inner ⁇ M0S power tube and the outer ⁇ M0S power tube are symmetrically distributed with the same center and different diameters, and the positive power tube is fixed.
  • the mounting ring is embedded between the inner ⁇ M0S power tube and the outer ⁇ M0S power tube, and the MOS tube fixed mounting frame assembly is inserted into the inner ⁇ M0S power tube.
  • a metal spacer tube and five electrode output connectors are disposed on the driving control device on the side of the MM tube fixed mounting bracket.
  • the power driving structure further includes a control board on a side of the driving control device, and controls
  • the plate is provided with five holes, the shape of which is matched with the shape of the electrode output connector, and the control panel can be sleeved on the drive control device through the output connector on the drive control device.
  • the power driving structure further includes an outer cover on one side of the control board, and the outer cover is provided with a hole, the shape of the hole is matched with the shape of the hole on the control board, and the outer cover can be driven by the driving control device
  • the upper output connector is sleeved on the drive control device, and the outer cover is connected to the drive control device via the control panel.
  • the M0S tube fixed mounting frame assembly is composed of three M0S tube fixed mounting brackets having the same shape, and at least two M0S are provided on the surface of each M0S tube fixed mounting bracket connected to the inner ⁇ M0S power tube.
  • the mounting hole, the surface of each MOS tube fixed mounting bracket that is not connected to the inner ⁇ M0S power tube is provided with a filter glass capacitor placement hole.
  • the power driving structure further comprises a metal insulated base, and the metal insulated base is connected to the MOS tube fixed mounting frame assembly.
  • the positive power tube fixed mounting ring is made of aluminum or copper.
  • the utility model has the beneficial effects that: the driving structure is convenient for installation, has high production efficiency, good product consistency and convenient maintenance, and has low internal loop resistance, low overall loop inductance, high reliability, and a driving structure which is also conducive to heat dissipation.
  • FIG. 1 is a schematic structural view of a power driving structure of a frequency converter, a controller, and a servo driver according to the present invention
  • a power drive structure of a frequency converter, a controller, and a servo drive as shown in FIG. 1 and FIG. 2, includes an internal drive control device 3, a MOS tube fixed mount assembly, and a positive power tube fixed mounting ring 6, external heat dissipation
  • the housing 7 is provided with the inner ⁇ M0S power tube 3-2 and the outer ⁇ M0S power tube 3-1, the inner ⁇ M0S power tube 3-2 and the outer ⁇ M0S power tube 3-1.
  • the positive power tube fixed mounting ring 6 is embedded between the inner ⁇ M0S power tube 3-2 and the outer ⁇ M0S power tube 3-1, the MOS tube fixed mounting frame
  • the assembly 4 is nested into the inner ⁇ M0S power tube 3-2.
  • a metal spacer tube 3-4 and five electrode output connectors 3-3 are disposed on the driving control device 3 and on the side not provided with the MOS tube fixed mounting frame assembly.
  • the power driving structure further includes a control board 2 on the side of the drive control device 3, and the control board 2 is provided with five holes, the shape of the hole and the shape of the electrode output connector 3-3.
  • the control board 2 can be placed over the drive control unit 3 via an output connector 3-3 on the drive control unit 3.
  • the power driving structure further includes an outer cover 1 on the side of the control board 2, and the outer cover 1 is provided with a hole, and the shape of the hole is matched with the shape of the hole on the control board 2.
  • the outer cover 1 can be sleeved on the drive control device 3 via an output connector 3-3 on the drive control device 3, and the outer cover 1 passes through the control panel 2 and the drive The control devices 3 are connected.
  • the MOSFET fixed mounting bracket assembly is composed of three MODE fixed mounting brackets 4 of the same shape, and the surface of each MOS tube fixed mounting bracket 4 connected to the inner ⁇ M0S power tube 3-2 is At least two or more MOS mounting holes 4-2 are provided, and a filter capacitor placement hole 4 is disposed on a surface of each of the MOS tube fixed mounting brackets 4 that is not connected to the inner ⁇ M0S power tube 3-2. -1.
  • the power driving structure further includes a metal insulated base 5, and the metal insulated base 5 is connected to the MOS tube fixed mounting frame assembly.
  • At least two or more protruding heat radiating ribs 7-2 are disposed outside the heat sink housing 7, and an insulating diaphragm 7-1 is disposed in the heat sink housing 7.
  • the positive power tube fixed mounting ring 6 is made of aluminum or copper.

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Inverter Devices (AREA)

Abstract

一种变频器、控制器和伺服驱动器的功率驱动结构，包括驱动控制装置（3），MOS管固定安装架组件（4）和正极功率管固定安装环（6），外部的散热座壳（7）。驱动控制装置（3）上设有内圈MOS功率管（3-2）及外圈MOS功率管（3-1），内圈MOS功率管（3-2）及外圈MOS功率管（3-1）以相同圆心，直径不同的圆对称分布，正极功率管固定安装环（6）嵌入内圈MOS功率管（3-2）及外圈MOS功率管（3-1）之间，MOS管固定安装架组件（4）套入内圈MOS功率管（3-2）内。该驱动结构便于拆卸，维修方便，同时可以减少寄生电压。

Description

变频器、 控制器和伺^驱动器的功率驱动结构 技术领域
本发明涉及一种用于机电动控制技术领域，主要用于电动车船及数控机 床的变频器、 控制器和伺服驱动器的功率驱动结构。 背景技术
现有变频器、 控制器和伺服驱动器的功率驱动结构， 生产安装不便， 体 积大安装用时多， 同时由于电流母线到每相驱动长短不一致， 内阻和电感大 小不一致造成相电流大小不一致， 易产生寄生电压、 导致控制系统抗过载性 能差， 发热量大可靠性下降。 发明内容
本发明提供一种变频器、 控制器、 伺服驱动器的功率驱动结构， 以解决 目前变频器、控制器和驱动器的功率驱动结构体积大安装不便回路内阻大不 一致等易产生寄生电压、 抗过载性能差可靠性下降自身发热大等问题。
本发明解决上述技术问题的技术方案如下： 一种变频器、 控制器、 伺服 驱动器的功率驱动结构， 该驱动结构包括内部的驱动控制装置、 M0S管固定 安装架组件及正极功率管固定安装环， 外部的散热座壳， 驱动控制装置上设 有内圏 M0S功率管及外圏 M0S功率管， 内圏 M0S功率管及外圏 M0S功率管以相同 圓心， 直径不同的圓对称分布， 正极功率管固定安装环嵌入内圏 M0S功率管 及外圏 M0S功率管之间， M0S管固定安装架组件套入所述内圏 M0S功率管内。
进一步的， 驱动控制装置上， 且未套有 M0S管固定安装支架的一侧设有 金属定距管及五个电极输出连接头。
进一步的， 功率驱动结构还包括位于驱动控制装置一侧的控制板， 控制 板上设有五个孔， 孔的形状与电极输出连接头的形状相配适， 控制板可通过 驱动控制装置上的输出连接头套在驱动控制装置上。
进一步的， 功率驱动结构还包括位于所述控制板一侧的外盖板， 外盖板 上设有孔， 孔的形状与控制板上的孔的形状相配适， 外盖板可通过驱动控制 装置上的输出连接头套在驱动控制装置上，且外盖板通过控制板与驱动控制 装置相连接。
进一步的， M0S管固定安装架组件由有三块形状相同的 M0S管固定安装 支架组成， 与内圏 M0S功率管相连接的每块 M0S管固定安装支架的面上均设 有至少 2个以上的 M0S安装孔， 未与内圏 M0S功率管相连接的每块 M0S管固 定安装支架的面上设有滤玻电容放置孔。
进一步的， 功率驱动结构还包括金属绝缘底座， 金属绝缘底座与 M0S管 固定安装架组件相连接。
进一步的， 散热座壳外侧设有至少两条以上的凸出的散热筋条， 散热座 壳内设有绝缘隔膜。 正极功率管固定安装环是由铝或者铜制成。
本发明的有益效果是： 所述的驱动结构便于安装生产效率高， 产品一致 性好， 维护方便， 同时线路内阻低回路电感小整体可靠性高、 驱动结构同时 还有利于散热。 附图说明
图 1为本发明变频器、 控制器、 伺服驱动器的功率驱动结构的结构示意 图；
附图中， 各标号所代表的部件列表如下：
1、 外盖板， 2、 控制板， 3、 驱动控制装置， 3-1、 外圏 M0S功率管 3-1 , 3-2、 内圏 M0S功率管， 3-3、 电极输出连接头， 3-4、 金属定距管， 4、 M0S 管固定安装支架， 4-1、 滤玻电容放置孔， 4-2、 M0S安装孔， 5、 金属绝缘底 座， 6、 正极功率管固定安装环， 7、 散热座壳， 7-1、 绝缘隔膜， 7-2、 散热 具体实施方式
以下结合附图对本发明的原理和特征进行描述， 所举实例只用于解释本 发明， 并非用于限定本发明的范围。
一种变频器、 控制器、 伺服驱动器的功率驱动结构， 如图 1、 图 2所示， 包括内部的驱动控制装置 3、 M0S管固定安装架组件及正极功率管固定安装 环 6 , 外部的散热座壳 7 , 所述驱动控制装置 3上设有内圏 M0S功率管 3-2 及外圏 M0S功率管 3-1 , 所述内圏 M0S功率管 3-2及外圏 M0S功率管 3-1以 相同圓心， 直径不同的圓对称分布， 所述正极功率管固定安装环 6嵌入所述 内圏 M0S功率管 3-2及外圏 M0S功率管 3-1之间，所述 M0S管固定安装架组 件 4套入所述内圏 M0S功率管 3-2内。
所述驱动控制装置 3上，且未套有 M0S管固定安装架组件的一侧设有金 属定距管 3-4及五个电极输出连接头 3-3。
所述功率驱动结构还包括位于所述驱动控制装置 3—侧的控制板 2 , 所 述控制板 2上设有五个孔，所述孔的形状与所述电极输出连接头 3-3的形状 相配适，所述控制板 2可通过所述驱动控制装置 3上的输出连接头 3-3套在 所述驱动控制装置 3上。
所述功率驱动结构还包括位于所述控制板 2—侧的外盖板 1 , 所述外盖 板 1上设有孔， 所述孔的形状与所述控制板 2上的孔的形状相配适， 所述外 盖板 1可通过所述驱动控制装置 3上的输出连接头 3-3套在所述驱动控制装 置 3上， 且所述外盖板 1通过所述控制板 2与所述驱动控制装置 3相连接。
所述 M0S管固定安装架组件由有三块形状相同的 M0S管固定安装支架 4 组成， 与所述内圏 M0S功率管 3-2相连接的所述每块 M0S管固定安装支架 4 的面上均设有至少 2个以上的 M0S安装孔 4-2 ,未与所述内圏 M0S功率管 3-2 相连接的所述每块 M0S管固定安装支架 4的面上设有滤玻电容放置孔 4-1。 所述功率驱动结构还包括金属绝缘底座 5 , 所述金属绝缘底座 5与所述 M0S管固定安装架组件相连接。
所述散热座壳 7外侧设有至少两条以上的凸出的散热筋条 7-2 , 所述散 热座壳 7内设有绝缘隔膜 7-1。
所述正极功率管固定安装环 6是由铝或者铜制成。
以上所述仅为本发明的较佳实施例， 并不用以限制本发明， 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。

Claims

权 利 要 求 书
1. 一种变频器、 控制器、 伺服驱动器的功率驱动结构， 其特征在于： 包括内部的驱动控制装置（ 3 ) 、 M0S管固定安装架组件及正极功率管固定安 装环（ 6 ) , 外部的散热座壳（ 7 ) , 所述驱动控制装置（ 3 )上设有内圏 M0S 功率管 （ 3_2 )及外圏 M0S功率管 （ 3-1 ) , 所述内圏 M0S功率管 （ 3_2 )及 外圏 M0S功率管 （3-1 ) 以相同圓心， 直径不同的圓对称分布， 所述正极功 率管固定安装环（ 6 )嵌入所述内圏 M0S功率管（ 3-2 )及外圏 M0S功率管（ 3-1 ) 之间， 所述 M0S管固定安装架组件套入所述内圏 M0S功率管 （3-2 ) 内。
2. 根据权利要求 1所述的变频器、 控制器、 驱动器的功率驱动结构， 其特征在于： 所述驱动控制装置（3 )上， 且未套有 M0S管固定安装架组件 的一侧设有金属定距管 （3-4 )及五个电极输出连接头 （3-3 ) 。
3. 根据权利要求 2所述的变频器、 控制器、 伺服驱动器的功率驱动结 构， 其特征在于： 所述功率驱动结构还包括位于所述驱动控制装置（3 ) — 侧的控制板（2 ) , 所述控制板（2 )上设有五个孔， 所述孔的形状与所述电 极输出连接头（ 3-3 )的形状相配适， 所述控制板（ 2 )可通过所述驱动控制 装置 （ 3 )上的输出连接头 （ 3-3 )套在所述驱动控制装置（ 3 )上。
4. 根据权利要求 3所述的变频器、 控制器、 伺服驱动器的功率驱动结 构， 其特征在于： 所述功率驱动结构还包括位于所述控制板（2 )—侧的外 盖板（ 1 ) , 所述外盖板（ 1 )上设有孔， 所述孔的形状与所述控制板（ 2 ) 上的孔的形状相配适， 所述外盖板（ 1 )可通过所述驱动控制装置（ 3 )上的 输出连接头 （ 3-3 )套在所述驱动控制装置（ 3 )上， 且所述外盖板（ 1 )通 过所述控制板（ 2 ) 与所述驱动控制装置 （ 3 )相连接。
5. 根据权利要求 1所述的变频器、 控制器、 伺服驱动器的功率驱动结 构， 其特征在于： 所述 M0S管固定安装架组件由有三块形状相同的 M0S管固 定安装支架（ 4 )组成， 与所述内圏 M0S功率管（ 3-2 )相连接的所述每块 M0S 管固定安装支架（4)的面上均设有至少 2个以上的 M0S安装孔（4-2) , 未 与所述内圏 M0S功率管 （3-2)相连接的所述每块 M0S管固定安装支架（4) 的面上设有滤玻电容放置孔（4-1 ) 。
6. 根据权利要求 1至 5任一项所述的变频器、 控制器、 伺服驱动器的 功率驱动结构， 其特征在于： 所述功率驱动结构还包括金属绝缘底座（5) , 所述金属绝缘底座（5) 与所述 M0S管固定安装架组件相连接。
7. 根据权利要求 1至 5所述变频器、控制器、驱动器的功率驱动结构， 其特征在于： 所述散热座壳 （7)外侧设有至少两条以上的凸出的散热筋条
(7-2) , 所述散热座壳 （7) 内设有绝缘隔膜（7_1 ) 。
PCT/CN2012/081123 2012-07-03 2012-09-07 变频器、控制器和伺服驱动器的功率驱动结构 WO2014005373A1 (zh)

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