WO2021244062A1 - 一种逆变器接线盒 - Google Patents

一种逆变器接线盒 Download PDF

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Publication number
WO2021244062A1
WO2021244062A1 PCT/CN2021/075551 CN2021075551W WO2021244062A1 WO 2021244062 A1 WO2021244062 A1 WO 2021244062A1 CN 2021075551 W CN2021075551 W CN 2021075551W WO 2021244062 A1 WO2021244062 A1 WO 2021244062A1
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WIPO (PCT)
Prior art keywords
inverter
junction box
housing
cover plate
box according
Prior art date
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Ceased
Application number
PCT/CN2021/075551
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English (en)
French (fr)
Inventor
赵翔
张�浩
洛佩兹·加布里埃尔·加列戈斯
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Jing Jin Electric Technologies Beijing Co Ltd
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Jing Jin Electric Technologies Beijing Co Ltd
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Application filed by Jing Jin Electric Technologies Beijing Co Ltd filed Critical Jing Jin Electric Technologies Beijing Co Ltd
Priority to EP21816718.7A priority Critical patent/EP4131664B1/en
Priority to US17/997,845 priority patent/US12266911B2/en
Publication of WO2021244062A1 publication Critical patent/WO2021244062A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/0247—Electrical details of casings, e.g. terminals, passages for cables or wiring
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02—Details
    • H02G3/08—Distribution boxes; Connection or junction boxes
    • H02G3/081—Bases, casings or covers
    • H02G3/083—Inlets
    • H02G3/085—Inlets including knock-out or tear-out sections
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
    • B60R16/0238—Electrical distribution centers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/70—Structural association with built-in electrical component with built-in switch
    • H01R13/713—Structural association with built-in electrical component with built-in switch the switch being a safety switch
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/22—Bases, e.g. strip, block, panel
    • H01R9/24—Terminal blocks
    • 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

  • This application relates to the technical field of line connection, and in particular to an inverter junction box.
  • junction box that can not only meet the requirements of multi-directional wiring, but also provide high-voltage protection functions.
  • this application proposes an inverter junction box to solve or partially solve the above-mentioned problems.
  • the present application provides an inverter junction box.
  • the inverter junction box includes a housing, a cover plate and a thimble, and the cover plate is detachably fixedly connected to the top of the housing;
  • One end of the thimble is detachably fixedly connected to the bottom of the cover plate, and the other end can abut against the protection device on the inverter;
  • a wiring part is provided on one side of the housing, and the wiring part is connected with an external cable;
  • the bottom of the housing has a hollow structure, and the bottom of the housing abuts against the incoming terminal of the inverter.
  • the inverter junction box further includes high-voltage busbar terminals
  • the high-voltage busbar terminal includes an insulating body and two conductive pillars, and the conductive pillars are respectively inserted into the insulating body.
  • the material of the conductive pillar is copper.
  • a through hole is provided in the middle of the conductive column, and the high-voltage busbar terminal can be connected to the incoming terminal of the inverter through the through hole and the bolt.
  • a positioning plate is also provided in the housing for fixing the insulating body and the thimble in the middle position of the housing.
  • the housing is cylindrical or square as a whole
  • the insulating body extends on the diameter of the cylinder or the diagonal of the square, and the two ends abut on the housing, and the two The conductive pillars are symmetrically arranged on the diameter or the diagonal.
  • the outer end side of the high-voltage busbar terminal is provided with a plurality of insulating medium supporting protrusions.
  • connection part is vertically distributed with the casing, and the connection part is provided with a positive connection hole and a negative connection hole, and the positive connection hole and the negative connection hole are communicated with the inside of the casing.
  • the housing is provided with a plurality of longitudinally penetrating installation holes, and the corresponding position of the cover plate is also provided with installation holes.
  • the housing is provided with positioning holes that cooperate with the positioning posts on the inverter, or the housing is provided with positioning holes that cooperate with the positioning holes on the inverter.
  • the thimble designed in the inverter junction box provided in this application is used in conjunction with the protection device on the inverter to realize high-voltage protection when the junction box cover is opened for wiring, which effectively protects the safety of staff and equipment;
  • the connection direction of the junction box can be changed by arranging connecting parts with different orientations or rotating the housing during installation to make the connecting parts different in orientation.
  • Figure 1 shows a schematic structural diagram of a junction box with a cover plate removed in an embodiment of the present application
  • Figure 2 shows a partial cross-sectional view of a junction box in an embodiment of the present application
  • Figure 3 shows a schematic structural view of the junction box with the housing removed in an embodiment of the present application
  • Figure 4 shows a bottom view of a junction box in an embodiment of the present application
  • Figure 5 shows a schematic diagram of the application of the junction box in an embodiment of the present application
  • Fig. 6 shows a schematic diagram of the application of the junction box in an embodiment of the present application.
  • An embodiment of this application provides an inverter junction box.
  • the junction box in this application can also be used in other similar scenarios, and is not limited to the connection of the terminals of the inverter.
  • the inverter junction box includes a housing 1, a cover plate 2 and a thimble 4, and the cover plate 2 is detachably and fixedly connected to the top of the housing 1.
  • One end of the thimble 4 is detachably fixedly connected to the bottom of the cover plate 2, and the other end abuts against the protection device on the inverter.
  • the thimble 4 can be connected and fixed with the cover plate 2 by screws; when the thimble 4 abuts against the protection device, The high voltage protection will not be triggered.
  • the cover 2 of the junction box is opened, the thimble 4 is fixedly connected to the cover 2, so that the thimble 4 is separated from the protection device. At this time, the high voltage protection will be triggered, which can effectively protect the safety of operators and equipment. .
  • One side of the housing 1 is provided with a wiring part, through which the external cable can be connected to the inside of the junction box.
  • the bottom of the housing 1 is a hollow structure, and the bottom of the housing 1 abuts against the incoming terminal of the inverter.
  • the hollow structure The design facilitates the connection between the internal structure of the junction box and the inverter.
  • the inverter junction box further includes a high-voltage busbar terminal 3.
  • the high-voltage busbar terminal 3 includes an insulating body and two conductive pillars 7, and the conductive pillars 7 are respectively inserted into the insulating body.
  • One end of the conductive column 7 is connected with the external cable, and the other end is connected with the incoming terminal of the inverter, and its function is to realize the transfer between the external cable and the inverter device.
  • the design of the insulating body can realize the relative fixation of the two conductive posts 7, and the part of the insulating body between the two conductive posts 7 can be a hollow structure, which facilitates heat dissipation and saves materials.
  • the inverter equipment can be connected with external cables in different directions, so that the high-voltage wiring harness of the external cables is not restricted by the structure of the whole vehicle, which satisfies the requirement of multiple inverters.
  • Direction wiring is required.
  • the connection structure between the inverter device and the junction box shown in Figure 6 does not use the high-voltage busbar terminal 3, and the external cable is directly connected to the inverter terminal after entering the junction box.
  • the high-voltage busbar is used in the connection structure of Figure 5 Terminal 3 realizes the change of the wiring direction of the inverter equipment, and the junction box can also realize other wiring directions of the inverter equipment.
  • the material of the conductive pillar 7 is copper.
  • the conductive pillar 7 may also be other metal materials with excellent conductivity.
  • the conductive post 7 on the high-voltage busbar terminal 3 is provided with a through hole in the middle. It can be seen from FIG.
  • the conductive column 7 is electrically connected to the incoming terminal, and the external cable is also fixedly connected to the conductive column 7 by bolts.
  • a positioning plate is further provided in the housing 1, and a hole is opened on the positioning plate corresponding to the insulating body and the thimble 4, and the insulating body and the thimble 4 can partially pass through the hole.
  • the positioning plate is used to fix the insulating body and the thimble 4 in the middle position of the housing 1 to prevent the insulating body and the thimble 4 from shaking in the housing 1.
  • the housing 1 is cylindrical or square as a whole, and the housing 1 can be designed into other shapes as required, such as a rectangle.
  • the insulating body extends on the diameter of the cylinder or on the diagonal of the square, and abuts On the shell, the two conductive posts 7 are symmetrically arranged on the diameter or diagonal. This structure makes the insulating body more firmly fixed in the shell, and also effectively reduces the volume of the shell 1 and makes the junction box more compact as a whole. Small.
  • the outer end side of the high-voltage busbar terminal 3 is provided with a plurality of insulating medium support protrusions. To limit and fix the role.
  • the connecting portion is perpendicular to the housing 1, for example, it can be distributed in an L shape, and there is a gap at the corner of the housing 1 below the connecting portion.
  • the design of the gap can save material .
  • the connection part is provided with a positive connection hole and a negative connection hole, and the positive connection hole and the negative connection hole are communicated with the inside of the casing.
  • the positive and negative poles of the external cables can respectively pass through the positive connection hole and the negative connection hole to be connected to the conductive column 7 or the incoming terminal of the inverter.
  • the housing 1 is provided with a number of longitudinally penetrating mounting holes 6, and the corresponding position of the cover plate 2 is also provided with mounting holes 6, and the mounting holes 6 on the housing 1
  • the positions of the mounting holes 6 on the cover plate 2 are the same, and screws or bolts are passed through the mounting holes 6 to realize the fixation between the cover plate 2 and the casing 1, as well as the fixing between the casing 1 and the inverter device.
  • the housing 1 is provided with a positioning hole 5 that matches with the positioning post on the inverter.
  • the positioning hole 5 can completely penetrate the housing 1, and pass through the positioning post.
  • the coordination of the housing 1 realizes the position limitation of the housing 1.
  • the positioning holes and the positioning posts can also be interchanged.
  • the inverter junction box includes a housing, a cover plate and a thimble; one end of the thimble is detachably fixedly connected to the bottom of the cover, and the other end is connected to the inverter.
  • the protective device is abutted; one side of the shell is provided with a wiring part, and the bottom of the shell is a hollow structure.
  • the thimble designed in the inverter junction box provided in this application is used in conjunction with the protection device on the inverter to realize high-voltage protection when the junction box cover is opened for wiring, which effectively protects the safety of staff and equipment;
  • the junction box in an embodiment of the present application is provided with high-voltage busbar terminals, so that the inverter can be connected with cables in different directions, which meets the multi-directional wiring requirements of the inverter.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Patch Boards (AREA)
  • Connection Or Junction Boxes (AREA)

Abstract

本申请公开了一种逆变器接线盒，该逆变器接线盒包括壳体、盖板和顶针，盖板与壳体顶部可拆卸固定连接；顶针的一端可拆卸地固定连接在盖板底部，另一端与逆变器上的保护装置抵接；壳体一侧设有接线部，接线部与外部电缆连接；壳体底部为中空结构，壳体底部和逆变器的进线端子抵接。本申请提供的逆变器接线盒中设计的顶针与逆变器上的保护装置配合使用，可实现在打开接线盒盖板进行接线时的高压保护，有效保护了工作人员和设备的安全；可通过设置不同朝向的连接部或者安装时旋转所述壳体使所述连接部朝向不同，实现接线盒的接线方向的改变。

Description

一种逆变器接线盒 技术领域
本申请涉及线路连接技术领域，具体涉及一种逆变器接线盒。
发明背景
近年来，随着电力电子不断的发展，为满足市场需求以及技术突破，在整车布置中，对汽车逆变器高压线束方向的布置有着非常严格的限制要求，传统逆变器高压线束在线束方向单一，不能满足多方向布线功能，并且无法实现高压保护功能。
因此，需要提供一种接线盒，既能够满足多方向布线要求，又能够提供高压保护功能。
发明内容
鉴于上述问题，本申请提出了一种逆变器接线盒，以便解决或者部分解决上述问题。
为达到上述目的，本申请的技术方案是这样实现的：
本申请提供一种逆变器接线盒，所述逆变器接线盒包括壳体、盖板和顶针，所述盖板与所述壳体顶部可拆卸固定连接；
所述顶针的一端可拆卸地固定连接在所述盖板底部，另一端可与逆变器上的保护装置抵接；
所述壳体一侧设有接线部，所述接线部与外部电缆连接；
所述壳体底部为中空结构，所述壳体底部和所述逆变器的进线端子抵接。
进一步地，所述逆变器接线盒还包括高压母排端子；
所述高压母排端子包括绝缘本体与两个导电柱，所述导电柱分别插接在所述绝缘本体上。
进一步地，所述导电柱的材质为铜。
进一步地，所述导电柱中间设有通孔，可通过所述通孔和螺栓将所述高压母排端子连接在逆变器的进线端子上。
进一步地，所述壳体内还设置有定位板，用于固定所述绝缘本体和所述顶针在所述壳体的中间位置。
进一步地，所述壳体整体为圆柱形或方形，所述绝缘本体在所述圆柱形的直径上或方形的对角线上延伸，两端抵接在所述壳体上，两个所述导电柱对称设置在所述直径或所述对角线上。
进一步地，所述高压母排端子的外端侧设有若干绝缘介质支撑凸起。
进一步地，所述连接部与所述壳体垂直分布，所述接线部内设有正极接线孔和负极接线孔，所述正极接线孔和所述负极接线孔与所述壳体内部连通。
进一步地，所述壳体的上设有若干纵向贯穿的安装孔，所述盖板对应位置也设有安装孔。
进一步地，所述壳体上设有与所述逆变器上的定位柱配合的定位孔，或所述壳体上设有与所述逆变器上的定位孔配合的定位柱。
采用上述逆变器接线盒具有以下优点：
本申请提供的逆变器接线盒中设计的顶针与逆变器上的保护装置配合使用，可实现在打开接线盒盖板进行接线时的高压保护，有效保护了工作人员和设备的安全；可通过设置不同朝向的连接部或者安装时旋转所述壳体使所述连接部朝向不同，实现接线盒的接线方向的改变。
附图简要说明
通过阅读下文优选实施方式的详细描述，各种其他的优点和益处对于本领域普通技术人员将变得清楚明了。附图仅用于示出优选实施方式的目的，而并不认为是对本申请的限制。而且在整个附图中，用相同的参考符号表示相同的部件。在附图中：
图1示出了本申请一个实施例中接线盒去除盖板的结构示意图；
图2示出了本申请一个实施例中接线盒的部分剖面图；
图3示出了本申请一个实施例中接线盒去除壳体的结构示意图；
图4示出了本申请一个实施例中接线盒仰视图；
图5示出了本申请一个实施例中接线盒的应用示意图；
图6示出了本申请一个实施例中接线盒的应用示意图。
图中附图标记含义如下：1、壳体，2、盖板，3、高压母排端子，4、顶针，5、定位孔，6、安装孔，7、导电柱。
实施本发明的方式
下面将参照附图更详细地描述本申请的示例性实施例。虽然附图中显示了本申请的示例性实施例，然而应当理解，可以以各种形式实现本申请而不应被这里阐述的实施例所限制。相反，提供这些实施例是为了能够更透彻地理解本申请，并且能够将本申请的范围完整的传达给本领域的技术人员。
本申请一个实施例中提供了一种逆变器接线盒，当然本申请中的接线盒也可以用于其他相似的场景，并不限于逆变器的端子连接上。
如图1-3所示，逆变器接线盒包括壳体1、盖板2和顶针4，盖板2与壳体1顶部可拆卸固定连接。顶针4的一端可拆卸地固定连接在盖板2底部，另一端与逆变器上的保护装置抵接，顶针4可通过螺钉与盖板2连接固定；在顶针4与保护装置抵接时，不会触发高压保护，在打开接线盒的盖板2时，由于顶针4与盖板2固定连接，使顶针4与保护装置分离，此时会触发高压保护，可有效保护作业人员和设备的安全。
壳体1一侧设有接线部，通过接线部可实现外部线缆与接线盒内部的连接，壳体1底部为中空结构，壳体1底部和逆变器的进线端子抵接，中空结构的设计便于接线盒内部结构与逆变器进行连接。
在一个实施例中，如图1-4所示，逆变器接线盒还包括高压母排端子3。
高压母排端子3包括绝缘本体与两个导电柱7，导电柱7分别插接在绝缘本体上。导电柱7的一端与外部线缆连接，另一端与逆变器的进线端子连接，其作用是实现外部线缆和逆变设备之间的转接。绝缘本体的设计可实现两个导电柱7的相对固定，两个导电柱7之间的绝缘本体部分可为镂空结构，便于散热以及节约材料。
本实施例中，通过高压母排端子3的设计，可实现逆变设备与不同方向的外部线缆的连接，使外部线缆的高压线束不受整车结构的限制，满足了逆变器多方向布线需要。图6所示的逆变设备与接线盒的连接结构中未使用高压母排端子3，外部线缆进入连接盒后与逆变器的端子直接连接，图5的连接结构中使用了高压母排端子3，实现了逆变设备接线方向的改变，接线盒也可以实现逆变设备其他的接线方向。
在一个实施例中，导电柱7的材质为铜，当然，导电柱7也可为其他导电性能优异的金属材料。
在一个实施例中，高压母排端子3上的导电柱7中间设有通孔，从图5可以看 出，导电柱7通过通孔和螺栓固定在逆变器的进线端子上，进而实现导电柱7与进线端子的电性导通，并且外部线缆也通过螺栓与导电柱7固定连接。
在一个实施例中，如图1所示，壳体1内还设置有定位板，与绝缘本体和顶针4对应位置的定位板上开有孔，绝缘本体和顶针4可部分穿过该孔，定位板用于固定绝缘本体和顶针4在壳体1的中间位置，防止绝缘本体和顶针4在壳体1内晃动。
在一个实施例中，壳体1整体为圆柱形或方形，壳体1可根据需要设计成其他形状，例如矩形，绝缘本体在圆柱形的直径上或方形的对角线上延伸，并且抵接在壳体上，两个导电柱7对称设置在直径或对角线上，该结构使得绝缘本体更加稳固地固定在所述壳体内，也有效减小壳体1体积，使接线盒整体更为小巧。
在一个实施例中，如图4所示，高压母排端子3的外端侧设有若干绝缘介质支撑凸起，该支撑凸起分别与壳体1内壁抵接，对高压母排端子3起到限位和固定的作用。
在一个实施例中，由图1可以看出，连接部与壳体1垂直，比如可以呈L形分布，在连接部下方的壳体1的拐角处设有缺口，该缺口的设计可以节约材料，并起到减重的作用，接线部内设有正极接线孔和负极接线孔，正极接线孔和负极接线孔与壳体内部连通。外部线缆的正负极可分别穿过正极接线孔和负极接线孔与导电柱7或逆变器的进线端子连接。
在一个实施例中，如图1和图4所示，壳体1上设有若干纵向贯穿的安装孔6，盖板2对应位置也设有安装孔6，且壳体1上的安装孔6与盖板2上的安装孔6孔位一致，通过螺钉或螺栓穿过安装孔6，实现盖板2与壳体1之间的固定，以及壳体1与逆变设备之间的固定。
在一个实施例中，如图4和图5所示，壳体1上设有与逆变器上的定位柱配合的定位孔5，该定位孔5可完全贯穿壳体1，通过与定位柱的配合，实现壳体1的位置限定，当然，定位孔与定位柱的设置位置也可以互换。
综上所述，本申请公开一种逆变器接线盒，逆变器接线盒包括壳体、盖板和顶针；顶针的一端可拆卸地固定连接在盖板底部，另一端与逆变器上的保护装置抵接；壳体一侧设有接线部，壳体底部为中空结构。本申请提供的逆变器接线盒中设计的顶针与逆变器上的保护装置配合使用，可实现在打开接线盒盖板进行接线时的高压保护，有效保护了工作人员和设备的安全性；本申请一个实施例中的接线盒通过设置高压母排端子，可实现逆变器与不同方向上的线缆进行连接，满足逆变器多方向 布线需要。
以上仅为本发明的具体实施方式，在本发明的上述教导下，本领域技术人员可以在上述实施例的基础上进行其他的改进或变形。本领域技术人员应该明白，上述的具体描述只是更好的解释本发明的目的，本发明的保护范围应以权利要求的保护范围为准。

Claims (10)

  1. 一种逆变器接线盒，其特征在于，所述逆变器接线盒包括壳体、盖板和顶针，所述盖板与所述壳体顶部可拆卸固定连接；
    所述顶针的一端可拆卸地固定连接在所述盖板底部，另一端可与逆变器上的保护装置抵接；
    所述壳体一侧设有接线部，所述接线部与外部电缆连接；
    所述壳体底部为中空结构，所述壳体底部和所述逆变器的进线端子抵接。
  2. 根据权利要求1所述的逆变器接线盒，其特征在于，所述逆变器接线盒还包括高压母排端子；
    所述高压母排端子包括绝缘本体与两个导电柱，所述导电柱分别插接在所述绝缘本体上。
  3. 根据权利要求2所述的逆变器接线盒，其特征在于，所述导电柱的材质为铜。
  4. 根据权利要求2所述的逆变器接线盒，其特征在于，所述导电柱中间设有通孔，可通过所述通孔和螺栓将所述高压母排端子连接在逆变器的进线端子上。
  5. 根据权利要求2所述的逆变器接线盒，其特征在于，所述壳体内还设置有定位板，用于固定所述绝缘本体和所述顶针在所述壳体的中间位置。
  6. 根据权利要求2所述的逆变器接线盒，其特征在于，所述壳体整体为圆柱形或方形，所述绝缘本体在所述圆柱形的直径上或方形的对角线上延伸，两端抵接在所述壳体上，两个所述导电柱对称设置在所述直径或所述对角线上。
  7. 根据权利要求2所述的逆变器接线盒，其特征在于，所述高压母排端子的外端侧设有若干绝缘介质支撑凸起。
  8. 根据权利要求1所述的逆变器接线盒，其特征在于，所述连接部与所述壳体垂直分布，所述接线部内设有正极接线孔和负极接线孔，所述正极接线孔和所述负极接线孔与所述壳体内部连通。
  9. 根据权利要求1所述的逆变器接线盒，其特征在于，所述壳体的上设有若干纵向贯穿的安装孔，所述盖板对应位置也设有安装孔。
  10. 根据权利要求1所述的逆变器接线盒，其特征在于，所述壳体上设有与所述逆变器上的定位柱配合的定位孔，或所述壳体上设有与所述逆变器上的定位孔配合的定位柱。
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