WO2022252691A1 - 连接件和电力设备箱壳 - Google Patents

连接件和电力设备箱壳 Download PDF

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Publication number
WO2022252691A1
WO2022252691A1 PCT/CN2022/076423 CN2022076423W WO2022252691A1 WO 2022252691 A1 WO2022252691 A1 WO 2022252691A1 CN 2022076423 W CN2022076423 W CN 2022076423W WO 2022252691 A1 WO2022252691 A1 WO 2022252691A1
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WO
WIPO (PCT)
Prior art keywords
main body
connector
connecting piece
case shell
box shell
Prior art date
Application number
PCT/CN2022/076423
Other languages
English (en)
French (fr)
Inventor
刘龙
任向阳
李文浩
李永红
Original Assignee
阳光电源股份有限公司
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 阳光电源股份有限公司 filed Critical 阳光电源股份有限公司
Priority to US18/288,224 priority Critical patent/US20240244766A1/en
Priority to EP22814740.1A priority patent/EP4350732A1/en
Publication of WO2022252691A1 publication Critical patent/WO2022252691A1/zh

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26—Casings; Parts thereof or accessories therefor
    • H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
    • 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
    • H05K5/0004—Casings, cabinets or drawers for electric apparatus comprising several parts forming a closed casing
    • H05K5/0013—Casings, cabinets or drawers for electric apparatus comprising several parts forming a closed casing assembled by resilient members
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
    • H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
    • H02B13/025—Safety arrangements, e.g. in case of excessive pressure or fire due to electrical defect
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26—Casings; Parts thereof or accessories therefor
    • H02B1/46—Boxes; Parts thereof or accessories therefor
    • 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
    • H05K5/0217—Mechanical details of casings
    • 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
    • H05K5/03—Covers
    • 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

Definitions

  • the invention relates to the technical field of machinery industry, more specifically, to a connecting piece, and also to a case shell of electric equipment.
  • the power level of power equipment such as inverters is increasing day by day, and components such as capacitors, switches, relays, and battery modules inside the power equipment explode when the power equipment fails (such as a bus capacitor short circuit).
  • the size is getting bigger and bigger, causing components such as the shell cover in the box shell of the power equipment to blow up, endangering the safety of other equipment and personnel on site.
  • the present invention provides a connecting piece, the main body of which can be deformed when the device inside the box shell explodes and the different components of the box shell are separated from each other, so that the two components connected by the main body in the box shell are small.
  • the amplitude is separated from each other to form a gap, which discharges the explosion pressure inside the box shell and makes the two components of the box shell always connected, preventing the components of the box shell and the explosive foreign matter inside the box shell from flying out, ensuring the safety of equipment and personnel around the site Safety.
  • the present invention also provides a power equipment case using the above connector, which can prevent the explosion of components inside the case from endangering the safety of other equipment and personnel on site.
  • the present invention provides the following technical solutions:
  • a connecting piece used for a case of electric equipment comprising:
  • the main body part, the two ends of the main body part are respectively used to connect with different components of the box shell, and the main body part can be deformed; the main body part is used to explode inside the box shell, the box Deformation occurs when the different components of the shell separate from each other;
  • end connecting piece is connected to the end of the main body, and the end connecting piece is connected to the components of the box shell.
  • the end of the main body is connected to the member of the box shell through the end connecting piece fixedly connected thereto.
  • the end of the main body part that is fixedly connected to the end connecting piece is directly fixedly connected to the member of the box shell.
  • the end connecting piece and the main body are integrally structured, or the end connecting piece and the main body are separated from each other.
  • the end connectors are metal end connectors.
  • the main body is U-shaped, or at least part of the main body is folded into a serpentine shape, or at least part of the main body is helical.
  • the main body includes at least two sections of straight rods, each of the straight rods is connected in sequence, and the ends of any two adjacent straight rods are hinged to each other.
  • the end of the straight rod at one end away from the adjacent straight rod is hinged to the end connector, and the end connector is fixed to one of the members;
  • the end of the straight rod at the other end facing away from the adjacent straight rod is hinged to the other said member.
  • a power equipment case including a first member and a second member fixed to each other, and a connecting piece, the connecting piece is the connecting piece described in any one of the above technical solutions; the two ends of the main body are respectively Connected to the first member and the second member.
  • the first component is the case cover 201, and the second component is the casing.
  • the invention provides a connecting piece, which is used for a case of electric equipment, comprising a main body and at least one end connecting piece; the two ends of the main body are respectively used to connect with different components of the case, and the main body can be deformed; the main body The part is used to explode inside the case, and when the above-mentioned different components connected by the main part in the case are separated from each other, deformation occurs; the end connecting part is connected with the end of the main part, and the end The external connectors are connected to the components of the case.
  • the main part can be deformed when the device inside the case explodes and the different components connected through the main part in the case are separated from each other, so that the two components connected through the main part in the case are smaller.
  • the amplitude is separated from each other to form a gap, which discharges the explosion pressure inside the box shell, and makes the two components of the box shell always connected through the main part, preventing the components of the box shell and the explosive foreign matter inside the box shell from flying out, and ensuring the equipment around the site and personnel safety.
  • the present invention also provides a power equipment case using the above-mentioned connector, which can avoid endangering the safety of other equipment and personnel on site when internal components explode.
  • Fig. 1 is a schematic diagram of the connector provided by Embodiment 1 of the present invention applied to the case of electric equipment;
  • Fig. 2 is the assembly schematic diagram of connector in Fig. 1;
  • Fig. 3 is a schematic structural diagram of the electrical equipment case provided by Embodiment 1 of the present invention when the internal components explode;
  • FIG. 4 is a schematic structural diagram of a connector provided in Embodiment 1 of the present invention.
  • FIG. 5 is a schematic structural diagram of a connector provided in Embodiment 2 of the present invention.
  • Figure 6 is another perspective view of the connector shown in Figure 5;
  • Fig. 7 is a schematic diagram of the connector provided by Embodiment 3 of the present invention applied to the case of electric equipment;
  • FIG. 8 is a schematic structural diagram of a connector provided in Embodiment 3 of the present invention.
  • Fig. 9 is a schematic structural view of the electrical equipment case provided by Embodiment 3 of the present invention when the internal components explode;
  • Connector 100 main body 101 ; straight rod 111 ; end connectors 102 , 121 , 122 ; shell cover 201 ;
  • the embodiment of the present invention discloses a connector, the main part of which can be deformed when the device inside the case explodes and the different components of the case are separated from each other, so that the two components in the case connected by the main part are small Separated from each other to form a gap, the explosion pressure inside the box shell is discharged and released, and the two components of the box shell are always connected to prevent the components of the box shell and the explosive foreign matter inside the box shell from flying out, ensuring the safety of equipment and personnel around the site .
  • the embodiment of the present invention also discloses a power equipment case using the above connector, which can prevent the explosion of components inside the case from endangering the safety of other equipment and personnel on site.
  • the embodiment of the present invention provides a connector 100, which is used for the case of electric equipment, including a main body 101, and the two ends of the main body 101 are respectively used to connect with different components of the case, and The main body 101 can be deformed; wherein, the main body 101 is used to explode inside the box shell, and deformation occurs when the above-mentioned different components connected by the main body 101 in the box shell are separated from each other.
  • the main body 101 can be deformed when the device inside the case explodes and the different components connected through the main body 101 in the case are separated from each other, so that two parts in the case can pass through the main body
  • the components connected with the part 101 are slightly separated from each other to form a gap, which discharges the explosion pressure inside the case, and makes the two parts of the case always connected through the main part 101, preventing the components of the case and the explosive foreign matter inside the case Fly out to ensure the safety of equipment and personnel around the site.
  • the main piece 101 can be deformed under the action of force, and when it is applied to the box shell, the deformation of the main piece 101 can achieve a buffering effect, greatly reducing the explosion stress and further improving safety. sex.
  • the above connecting piece 100 further includes at least one end connecting piece, the end connecting piece is connected with the end of the main body 101 , and the end connecting piece is connected with the components of the box shell.
  • the ends of the main body connector 101 connected to the same end connector are connected to the components of the case.
  • the end of the main body 101 can be set to be connected to the components of the box shell through the end connector fixedly connected thereto; of course, the end of the main body 101 that is fixedly connected to the end connector
  • the end part can also be set to be fixedly connected directly with the components of the box shell, and at this time, the end connector can enhance the connection strength between the end of the main body and the components of the box shell.
  • the end connector can be set to one, correspondingly, one end of the main body 101 is fixedly connected to the end connector, and the other end is directly connected to the member of the box shell; the end connector can also be set to multiple (such as two ), and the end connectors are distributed at both ends of the main body 101.
  • end connecting piece and the main body 101 can be provided as an integrated structure, or the end connecting piece and the main body 101 are separated from each other, and specifically can be connected to the end of the main body 101 by a fixing piece such as a bolt, or by Connect with the end of the main body 101 by means of welding or the like.
  • the above-mentioned end connectors are preferably set as metal end connectors.
  • the above-mentioned end connectors can also be set as high-strength fiber parts.
  • the material is not limited.
  • the two ends of the main body 101 can be directly connected to different components of the box shell; Fixed connection, flexible connection with different components in the box shell, or one end fixedly connected with a component in the box shell, and the other end flexibly connected with another component of the box shell, the direct connection method between the main body and the component in this embodiment is not Do limited.
  • the main body 101 can be arranged in a "U" shape (as shown in Figures 1-4), or at least part of the main body 101 is folded into a serpentine shape (as shown in Figures 5-6), or the main body 101 At least part of it is in a spiral shape, so that an explosion occurs inside the box shell, and the main body 101 is deformed and stretched when the two components connected by the connecting piece are separated from each other.
  • the main body 101 can be configured as a rubber main body, a high-strength fiber main body, etc., so as to facilitate deformation.
  • the material of the main body 101 is not limited in this embodiment.
  • the main body 101 can also be configured to include at least two sections of straight rods 111 , each straight rod 111 is connected sequentially, and the ends of any two adjacent straight rods 111 are hinged to each other.
  • the end of the straight rod 111 located at one end and away from the adjacent straight rod 111 is hinged to the end connector, and the end connector is fixed to one member;
  • the end of the straight rod 111 at one end facing away from the adjacent straight rod 111 is hinged to another member, as shown in FIGS. 7-9 .
  • the main part 101 of the above connector 100 is arranged inside the space enclosed by the two components in the case, and in the scheme with end connectors, the end connector is also arranged inside the space enclosed by the two components in the case , to achieve hidden installation and reduce the impact on the appearance of the box shell.
  • the connector 100 provided in this embodiment is simple in structure, easy to manufacture, and low in cost. Compared with measures such as increasing the strength of components in the box shell in the prior art, the application of the connector 100 provided in this embodiment can ensure pressure relief. The explosion-proof effect is better.
  • the connector 100 provided by the embodiment of the present invention includes a main body 101 and an end connector; the first end of the main body 101 is fixed to a member of the box shell through an end connector 121, specifically through a bolt and other fixing parts or fixed with components by welding; the second end of the main body 101 is directly fixedly connected with another member of the box shell, and in order to improve the connection strength, the second end of the main body 101 is also fixed with the end connector 122 connect.
  • the second end of the main body part 101 can be arranged to be directly fixedly connected with the end connector 122 (such as bonding, etc.), or the second end and the end connector 122 are stacked, and at the same time, the fixing member and the member of the box shell
  • the fixed connection not only improves the connection strength between the second end and the component, but also simplifies the installation structure of the end connector 122 .
  • the main part 101 is "U" shaped and can be deployed when an explosion occurs inside the case. On the one hand, it buffers the explosion stress and ensures that the two components of the case are reliably connected through the main part 101. On the other hand, it ensures that the main part 101 has a simple structure and is convenient manufacturing.
  • the member connected to the end connector 121 includes an annular side wall and a top wall sealed at one end of the side wall.
  • the end connector 121 is connected in the space enclosed by the side wall and the top wall, and specifically can be connected to the side wall or the top wall.
  • the wall is not limited in this embodiment.
  • the above-mentioned component connected to the end connecting piece 121 is configured as a case cover 201 .
  • the end connectors 121 and 122 are respectively metal connectors, and the main body 101 can be configured as a rubber main body or a high-strength fiber main body.
  • the connector 100 provided in this embodiment also includes a main body 101 ; end connectors 121 , 122 , the difference from Embodiment 1 is that part of the main body 101 is folded into a serpentine shape.
  • the connector 100 provided by this embodiment includes a main body 101 and an end connector 102; the main body 101 includes two straight rods 111 whose ends are hinged to each other, and the first straight rod deviates from the second straight rod.
  • the end of the rod is hinged with the end connector 102, the end of the second straight rod away from the first straight rod is hinged with a member of the case (such as the cover 201), and the end connector 102 is connected with another member of the case (such as the housing 202) is fixedly connected.
  • the straight rod 111 is a metal straight rod
  • the end connector 102 is a metal end connector
  • An embodiment of the present invention provides an electrical equipment case, which includes a first member and a second member fixed to each other, and also includes a connector 100, which is the connector 100 provided in the above-mentioned embodiment; the two ends of the main body 101 are respectively Connected to the first member and the second member.
  • the first component is the case cover 201
  • the second component is the casing 202 .
  • the first component can also be set as a component such as a window seal, which is not limited in this embodiment.
  • the electrical equipment case provided in this embodiment applies the connector 100 provided in the above embodiment, which can prevent the explosion of internal components from endangering the safety of other equipment and personnel on site.
  • the electrical equipment case provided in this embodiment also has other effects related to the connector 100 provided in the above embodiments, which will not be repeated here.

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Casings For Electric Apparatus (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

公开一种连接件（100），用于电力设备的箱壳，包括主体件（101），主体件（101）的两端分别用于与箱壳的不同构件相连，且主体件（101）能够变形；主体件（101）用于在箱壳的内部发生爆炸，且箱壳中通过主体件（101）相连的不同构件相互脱离时，发生变形。连接件（100）中主体件（101）能在箱壳内部的器件发生爆炸且箱壳中通过主体件（101）相连的不同构件相互脱离时，发生变形，使箱壳中两个通过主体件（101）相连的构件小幅度相互脱离形成缝隙，将箱壳内部的爆炸压力排出泄压，又使箱壳的两个构件始终通过主体件（101）相连，防止箱壳的构件以及箱壳内部的爆炸异物飞出，保障现场周围设备和人员的安全。还公开一种应用连接件（100）的电力设备箱壳，能避免内部器件发生爆炸时危害现场其他设备和人员的安全。

Description

连接件和电力设备箱壳
本申请要求于2021年06月01日提交中国专利局、申请号为202110610095.9、发明名称为“连接件和电力设备箱壳”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明涉及机械工业技术领域，更具体地说，涉及一种连接件，还涉及一种电力设备箱壳。
背景技术
随着电力行业发展，逆变器等电力设备的功率等级日益加大，而电力设备内部如电容、开关、继电器、电池模块等器件在电力设备故障时(如母线电容短路)出现爆炸时爆炸能量越来越大，导致电力设备的箱壳中如壳盖等构件炸飞，危害现场其他设备和人员的安全。
因此，如何解决现有技术中电力设备的内部器件发生爆炸时导致箱壳的构件炸飞，危害现场其他设备和人员的安全，是本领域技术人员亟待解决的问题。
发明内容
有鉴于此，本发明提供一种连接件，其主体件能在箱壳内部的器件发生爆炸且箱壳的不同构件相互脱离时，发生变形，使箱壳中两个通过主体件相连的构件小幅度相互脱离形成缝隙，将箱壳内部的爆炸压力排出泄压，又使箱壳的两个构件始终相连，防止箱壳的构件以及箱壳内部的爆炸异物飞出，保障现场周围设备和人员的安全。本发明还提供一种应用上述连接件的电力设备箱壳，能避免箱壳内部器件发生爆炸时危害现场其他设备和人员的安全。
为实现上述目的，本发明提供如下技术方案：
一种连接件，用于电力设备的箱壳，包括：
主体件，所述主体件的两端分别用于与所述箱壳的不同构件相连，且所述主体件能够变形；所述主体件用于在所述箱壳的内部发生爆炸、所述箱壳的不同构件相互脱离时，发生变形；
端部连接件，所述端部连接件为至少一个；所述端部连接件与所述主体件的端部相连，并且所述端部连接件与所述箱壳的构件相连。
优选的，上述连接件中，所述主体件的端部通过与之固定连接的所述端部连接件，与所述箱壳的构件相连。
优选的，上述连接件中，所述主体件中与所述端部连接件固定连接的端部直接与所述箱壳的构件固定连接。
优选的，上述连接件中，所述端部连接件与所述主体件为一体式结构，或者，所述端部连接件与所述主体件为相互分体。
优选的，上述连接件中，所述端部连接件为金属端部连接件。
优选的，上述连接件中，所述主体件呈“U”型，或者所述主体件中至少部分折叠成蛇形，或者所述主体件中至少部分呈螺旋状。
优选的，上述连接件中，所述主体件包括至少两段直杆，各所述直杆依次连接，并且任意相邻两个所述直杆的端部相互铰接。
优选的，上述连接件中，所有的所述直杆中，位于一端处直杆中背离相邻直杆的端部与端部连接件铰接，所述端部连接件固定于一个所述构件；位于另一端处直杆中背离相邻直杆的端部与另一个所述构件铰接。
一种电力设备箱壳，包括相互固定的第一构件和第二构件，还包括连接件，所述连接件为上述技术方案中任意一项所述的连接件；所述主体件的两端分别 与所述第一构件和所述第二构件相连。
优选的，上述电力设备箱壳中，所述第一构件为壳盖201、所述第二构件为壳体。
本发明提供一种连接件，用于电力设备的箱壳，包括主体件和至少一个端部连接件；主体件的两端分别用于与箱壳的不同构件相连，且主体件能够变形；主体件用于在箱壳的内部发生爆炸，且箱壳中上述通过主体件相连的不同构件相互脱离时，发生变形；所述端部连接件与所述主体件的端部相连，并且所述端部连接件与所述箱壳的构件相连。
本发明提供的连接件中，主体件能在箱壳内部的器件发生爆炸且箱壳中通过主体件相连的不同构件相互脱离时，发生变形，使箱壳中两个通过主体件相连的构件小幅度相互脱离形成缝隙，将箱壳内部的爆炸压力排出泄压，又使箱壳的两个构件始终通过主体件相连，防止箱壳的构件以及箱壳内部的爆炸异物飞出，保障现场周围设备和人员的安全。
本发明还提供一种应用上述连接件的电力设备箱壳，能避免内部器件发生爆炸时危害现场其他设备和人员的安全。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本发明实施例1提供的连接件应用于电力设备箱壳的示意图；
图2为图1中连接件的装配示意图；
图3为本发明实施例1提供的电力设备箱壳在内部器件发生爆炸时的结构示意图；
图4为本发明实施例1提供的连接件的结构示意图；
图5为本发明实施例2提供的连接件结构示意图；
图6为图5所示连接件的另一角度视图；
图7为本发明实施例3提供的连接件应用于电力设备箱壳的示意图；
图8为本发明实施例3提供的连接件的结构示意图；
图9为本发明实施例3提供的电力设备箱壳在内部器件发生爆炸时的结构示意图；
其中，图1-图9中：
连接件100；主体件101；直杆111；端部连接件102、121、122；壳盖201；壳体202。
具体实施方式
本发明实施例公开了一种连接件，其主体件能在箱壳内部的器件发生爆炸且箱壳的不同构件相互脱离时，发生变形，使箱壳中两个通过主体件相连的构件小幅度相互脱离形成缝隙，将箱壳内部的爆炸压力排出泄压，又使箱壳的两个构件始终相连，防止箱壳的构件以及箱壳内部的爆炸异物飞出，保障现场周围设备和人员的安全。本发明实施例还公开一种应用上述连接件的电力设备箱壳，能避免箱壳内部器件发生爆炸时危害现场其他设备和人员的安全。
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是 全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
请参阅图1-图9，本发明实施例提供一种连接件100，用于电力设备的箱壳，包括主体件101，主体件101的两端分别用于与箱壳的不同构件相连，且主体件101能够变形；其中，主体件101用于在箱壳的内部发生爆炸，且箱壳中上述通过主体件101相连的不同构件相互脱离时，发生变形。
本发明实施例提供的连接件100中，主体件101能在箱壳内部的器件发生爆炸且箱壳中通过主体件101相连的不同构件相互脱离时，发生变形，使箱壳中两个通过主体件101相连的构件小幅度相互脱离形成缝隙，将箱壳内部的爆炸压力排出泄压，又使箱壳的两个构件始终通过主体件101相连，防止箱壳的构件以及箱壳内部的爆炸异物飞出，保障现场周围设备和人员的安全。
另外，本发明实施例提供的连接件100中，主体件101能够在受力作用下变形，应用于箱壳时通过主体件101的变形能达到缓冲作用，极大减小爆炸应力，进一步提高安全性。
优选的，上述连接件100中，还包括至少一个端部连接件，端部连接件与主体件101的端部相连，并且端部连接件与箱壳的构件相连。与同一个端部连接件相连的主体连接件101端部和箱壳的构件相互连接。
进一步的，上述连接件100中，主体件101的端部可设置为通过与之固定连接的端部连接件，与箱壳的构件相连；当然，主体件101中与端部连接件固定连接的端部还可设置为直接与箱壳的构件固定连接，此时端部连接件能够增强主体件的端部与箱壳的构件的连接强度。
端部连接件可设置为一个，相应的，主体件101的一端与该端部连接件固 定连接，另一端直接与箱壳的构件相连；端部连接件还可设置为多个(如两个)，并且端部连接件分布在主体件101的两端处。
另外，端部连接件与主体件101可设置为一体式结构，或者，端部连接件与主体件101为相互分体，具体可通过螺栓等固定件与主体件101的端部相连，或者通过焊接等方式与主体件101的端部连接。
为了确保与箱壳中构件的连接强度，上述端部连接件优选设置为金属端部连接件，当然上述端部连接件还可设置为高强度纤维件等，本实施例对端部连接件的材质不做限定。
在连接件未设置端部连接件的方案中，主体件101的两端可分别直接与箱壳的不同构件相连；具体的，主体件101的两端可设置为分别与箱壳中不同的构件固定连接、分别与箱壳中不同的构件活动连接，或者一端与箱壳中一个构件固定连接，另一端与箱壳的另一个构件活动连接，本实施例对主体件与构件的直接连接方式不做限定。
为了便于实现变形，主体件101可设置为“U”型(如图1-4所示)，或者主体件101中至少部分折叠成蛇形(如图5-6所示)，或者主体件101中至少部分呈螺旋状，以便箱壳内部发生爆炸，通过连接件相连的两个构件相互脱离时使主体件101变形并舒展。
上述连接件中，主体件101可设置为橡胶主体件、高强度纤维主体件等，以便于变形，本实施例对主体件101的材质不做限定。
当然，主体件101还可设置为包括至少两段直杆111，各直杆111依次连接，并且任意相邻两个直杆111的端部相互铰接。
具体的，上述连接件100中，所有的直杆111中，位于一端处直杆111中 背离相邻直杆111的端部与端部连接件铰接，端部连接件固定于一个构件；位于另一端处直杆111中背离相邻直杆111的端部与另一个构件铰接，如图7-9所示。
上述连接件100中主体件101布置在箱壳中两个构件围成的空间内部，在具备端部连接件的方案中，端部连接件亦设置在箱壳中两个构件围成的空间内部，以实现隐藏式安装，减少对箱壳外观的影响。
本实施例提供的连接件100结构简单，便于生产制造、成本低，且相比于现有技术中增加箱壳中构件的强度等措施，应用本实施例提供的连接件100能保证泄压，防爆效果更优。
下面结合附图介绍本发明实施例提供的连接件100：
实施例1
请参阅图1-4，本发明实施例提供的连接件100包括主体件101和端部连接件；主体件101的第一端通过端部连接件121与箱壳的一个构件固定，具体通过螺栓等固定件或通过焊接等方式与构件固定；主体件101的第二端直接与箱壳的另一个构件固定连接，为了提高连接强度，主体件101的第二端还与端部连接件122固定连接。
主体件101的第二端可设置为与端部连接件122直接固定连接(如粘接等)，或者该第二端与端部连接件122层叠布置，并同时通过固定件与箱壳的构件固定连接，既提高第二端与构件的连接强度，又简化端部连接件122的安装结构。
主体件101呈“U”型，能在箱壳内部发生爆炸时展开，一方面缓冲爆炸 应力，确保箱壳的两构件通过该主体件101可靠连接，另一方面确保主体件101结构简单，便于生产制造。
与端部连接件121相连的构件包括环形的侧壁和封在侧壁一端的顶壁，端部连接件121连接在侧壁和顶壁围成的空间内，具体可连接在侧壁或顶壁，本实施例不做限定。
具体的，上述与端部连接件121相连的构件设置为壳盖201。端部连接件121、122分别为金属连接件，主体件101可设置为橡胶主体件或高强纤维主体件。
实施例2
请参阅图5-6，本实施例提供的连接件100亦包括主体件101；端部连接件121、122，与实施例1的区别在于主体件101中部分折叠成蛇形。
实施例3
请参阅图7-9，本实施例提供的连接件100包括主体件101和端部连接件102；主体件101包括两个端部相互铰接的直杆111，第一直杆中背离第二直杆的端部与端部连接件102铰接，第二直杆中背离第一直杆的端部与箱壳的构件(如壳盖201)铰接，端部连接件102与箱壳的另一构件(如壳体202)固定连接。
本实施例中，直杆111为金属直杆、端部连接件102为金属端部连接件。
本发明实施例提供一种电力设备箱壳，包括相互固定的第一构件和第二构件，还包括连接件100，连接件100为上述实施例提供的连接件100；主体件 101的两端分别与第一构件和第二构件相连。
具体的，第一构件为壳盖201、第二构件为壳体202。当然，根据箱壳的具体结构，第一构件还可设置为封窗等构件，本实施例不做限定。
本实施例提供的电力设备箱壳应用上述实施例提供的连接件100，能避免内部器件发生爆炸时危害现场其他设备和人员的安全。当然，本实施例提供的电力设备箱壳还具有上述实施例提供的有关连接件100的其他效果，在此不再赘述。
本说明书中各个实施例采用递进的方式描述，每个实施例重点说明的都是与其他实施例的不同之处，各个实施例之间相同相似部分互相参见即可。
对所公开的实施例的上述说明，使本领域专业技术人员能够实现或使用本发明。对这些实施例的多种修改对本领域的专业技术人员来说将是显而易见的，本文中所定义的一般原理可以在不脱离本发明的精神或范围的情况下，在其它实施例中实现。因此，本发明将不会被限制于本文所示的这些实施例，而是要符合与本文所公开的原理和新颖特点相一致的最宽的范围。

Claims (10)

  1. 一种连接件，用于电力设备的箱壳，其特征在于，包括：
    主体件，所述主体件的两端分别用于与所述箱壳的不同构件相连，且所述主体件能够变形；所述主体件用于在所述箱壳的内部发生爆炸、所述箱壳的不同构件相互脱离时，发生变形；
    端部连接件，所述端部连接件为至少一个；所述端部连接件与所述主体件的端部相连，并且所述端部连接件与所述箱壳的构件相连。
  2. 根据权利要求1所述的连接件，其特征在于，所述主体件的端部通过与之固定连接的所述端部连接件，与所述箱壳的构件相连。
  3. 根据权利要求2所述的连接件，其特征在于，所述主体件中与所述端部连接件固定连接的端部直接与所述箱壳的构件固定连接。
  4. 根据权利要求2或3所述的连接件，其特征在于，所述端部连接件与所述主体件为一体式结构，或者，所述端部连接件与所述主体件为相互分体。
  5. 根据权利要求4所述的连接件，其特征在于，所述端部连接件为金属端部连接件。
  6. 根据权利要求1所述的连接件，其特征在于，所述主体件呈“U”型，或者所述主体件中至少部分折叠成蛇形，或者所述主体件中至少部分呈螺旋状。
  7. 根据权利要求1所述的连接件，其特征在于，所述主体件包括至少两段直杆，各所述直杆依次连接，并且任意相邻两个所述直杆的端部相互铰接。
  8. 根据权利要求7所述的连接件，其特征在于，所有的所述直杆中，位于一端处直杆中背离相邻直杆的端部与端部连接件铰接，所述端部连接件固定 于一个所述构件；位于另一端处直杆中背离相邻直杆的端部与另一个所述构件铰接。
  9. 一种电力设备箱壳，其特征在于，包括相互固定的第一构件和第二构件，还包括连接件，所述连接件为权利要求1-8任意一项所述的连接件；所述主体件的两端分别与所述第一构件和所述第二构件相连。
  10. 根据权利要求9所述的电力设备箱壳，其特征在于，所述第一构件为壳盖201、所述第二构件为壳体。
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