WO2018228182A1 - 绝缘螺栓局部放电性能试验装置 - Google Patents

绝缘螺栓局部放电性能试验装置 Download PDF

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Publication number
WO2018228182A1
WO2018228182A1 PCT/CN2018/088906 CN2018088906W WO2018228182A1 WO 2018228182 A1 WO2018228182 A1 WO 2018228182A1 CN 2018088906 W CN2018088906 W CN 2018088906W WO 2018228182 A1 WO2018228182 A1 WO 2018228182A1
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WO
WIPO (PCT)
Prior art keywords
assembly
partial discharge
insulating bolt
discharge performance
pulley
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/CN2018/088906
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English (en)
French (fr)
Inventor
李鹏
张书琦
程涣超
徐征宇
遇心如
李金忠
高飞
赵志刚
刘雪丽
汪可
孙建涛
王健一
赵晓宇
申泽军
汤浩
关健昕
吴超
仇宇舟
邓俊宇
贾鹏飞
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.)
China Electric Power Research Institute Co Ltd CEPRI
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China Electric Power Research Institute Co Ltd CEPRI
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Publication date
Application filed by China Electric Power Research Institute Co Ltd CEPRI filed Critical China Electric Power Research Institute Co Ltd CEPRI
Publication of WO2018228182A1 publication Critical patent/WO2018228182A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
    • G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
    • G01R31/16—Construction of testing vessels; Electrodes therefor

Definitions

  • the present application relates to the field of high voltage and insulation technology, and in particular to a partial discharge performance test device for an insulating bolt.
  • the present application relates to the field of high voltage and insulation technology, and in particular to a partial discharge performance test device for an insulating bolt.
  • the present application proposes a partial discharge performance test device for an insulating bolt, which aims to solve the problem that the partial discharge performance test of the existing insulating bolt is difficult to carry out.
  • the present application provides an insulating bolt partial discharge performance testing device, comprising: a support assembly, a measuring barrel assembly having a bottom opening and a first cover at the top, an electrode assembly and a test piece assembly; wherein a measuring barrel assembly is coupled to the supporting assembly, configured to receive the electrode assembly and the test piece assembly, the test piece assembly and the electrode assembly being juxtaposed in a top and a bottom of the measuring barrel assembly;
  • the test piece assembly is connected to a sidewall of the measuring bucket assembly and configured to place the insulating bolt to be tested;
  • the electrode assembly is connected to a sidewall of the measuring bucket assembly, and is configured to be configured to Test the insulating bolts and perform a partial discharge performance test on the insulating bolts to be tested.
  • the test piece assembly includes: a fixing plate and a connecting ear; wherein the fixing plate is provided with a connecting member, and the connecting member is provided with at least two for A threaded hole for the insulating bolt to be tested is placed; one end of the connecting lug is connected to the top of the fixing plate, and the other end is connected to the bottom of the first cover.
  • the test piece assembly further includes: a guiding post; wherein the guiding post is connected to an edge of the fixing plate, and the fixing plate passes through the guiding column The side walls of the measuring barrel assembly are connected.
  • the electrode assembly includes: a high voltage electrode and two ground electrodes on upper and lower sides of the high voltage electrode; wherein
  • a first through slot is defined in the high voltage electrode, and the two ground electrodes are provided with a second through slot corresponding to the first through slot, and the first through slot and the second through slot are
  • the connecting member is correspondingly disposed, and is configured to pass through the insulating bolt to be tested; the lead wires of the high voltage electrode and the two ground electrodes respectively extend outside the sidewall of the measuring barrel assembly, and are configured to be partially discharged with the outside The devices are connected.
  • the first through groove and the second through groove are each at least two, and each of the first through grooves and each of the second through grooves corresponds to
  • the plurality of connecting members are at least two, and each of the first through slots and each of the second through slots are disposed in one-to-one correspondence with each of the connecting members.
  • the above-mentioned insulating bolt partial discharge performance testing device further includes: a pulley assembly; wherein one end of the pulley assembly is placed on the first cover of the measuring bucket assembly, and is configured to pull the insulating bolt to be tested Along the axial movement of the measuring barrel assembly.
  • the pulley assembly includes: a first pulley, a second pulley, and a traction cable; wherein the first pulley is connected to the first cover, the first Two pulleys are coupled to the support assembly; the traction cables are sequentially wound around the second pulley and the first pulley, and are connected to the connecting ears through the first cover, configured to be towed
  • the insulating bolt to be tested moves in the axial direction of the measuring bucket assembly.
  • the pulley assembly further includes: a drying box and a second cover; wherein the drying box is placed under the first pulley, and the traction cable is disposed through The drying box; the second cover is connected to the drying box and configured to seal the drying box.
  • the support assembly includes: a base and a barrel body; wherein a bottom of the barrel body is connected to the base, and a top of the barrel body The bottom of the measuring barrel assembly is connected to each other; at least two uprights are disposed outside the cylindrical body, and each of the vertical columns is distributed along the circumferential direction of the cylindrical body.
  • the measuring barrel assembly is made of an acrylic sheet.
  • one end of the insulating bolt to be tested is fixed on the test piece assembly, and the other end is passed through the electrode assembly, and a voltage is applied to the electrode assembly through an external partial discharge device, thereby performing partial discharge performance test on the test insulating bolt.
  • the insulation stability of the insulating bolts for the converter transformer is guaranteed.
  • FIG. 1 is a schematic structural view of a partial discharge performance testing device for an insulating bolt according to an embodiment of the present application
  • FIG. 2 is another structural diagram of a partial discharge performance testing device for an insulating bolt according to an embodiment of the present application
  • FIG. 3 is a plan sectional view showing a partial discharge performance test device for an insulating bolt according to an embodiment of the present application
  • FIG. 4 is a front view of a test piece assembly in a partial discharge performance test device for an insulating bolt according to an embodiment of the present application
  • FIG. 5 is a side view of a test piece assembly in a partial discharge performance test device for an insulating bolt according to an embodiment of the present application
  • FIG. 6 is a bottom view of a test piece assembly in a partial discharge performance test device for an insulating bolt according to an embodiment of the present application
  • FIG. 7 is a structural diagram of an electrode assembly in a partial discharge performance test device for an insulating bolt according to an embodiment of the present application
  • FIG. 8 is a front view of a pulley assembly in a partial discharge performance test device for an insulating bolt according to an embodiment of the present application
  • FIG. 9 is a top plan view of a pulley assembly in a partial discharge performance testing device for an insulating bolt according to an embodiment of the present application.
  • the apparatus includes a support assembly 1, a measuring barrel assembly 2 having a bottom opening and a first cover 21 at the top, and an electrode assembly 3 and a test piece assembly 4.
  • the measuring barrel assembly 2 is connected to the supporting assembly 1 and is configured to accommodate the electrode assembly 3 and the test piece assembly 4.
  • the support assembly 1 may include a base 11 and a barrel body 12.
  • the base 11 may be composed of a bottom plate and a support column, and the bottom of the cylindrical body 12 is connected to the base 11, for example, may be welded as a unitary structure.
  • the first cover 21 of the measuring bucket assembly 2 and the measuring bucket assembly 2 may be detachably connected, such as a bolted connection, measuring the bottom opening of the tub assembly 2, the top of the tubular body 12 being in communication with the bottom of the measuring bucket assembly 2, the measuring bucket
  • the material of the component 2 can be an acrylic sheet.
  • test piece assembly 4 and the electrode assembly 3 are juxtaposed in the top and bottom of the measuring barrel assembly 2, and the test piece assembly 4 is connected to the side wall of the measuring barrel assembly 2, configured to place the insulating bolt 6 to be tested; the electrode assembly 3 and the measurement
  • the side walls of the barrel assembly 2 are connected, configured to pass through the insulating bolts 6 to be tested and to perform a partial discharge performance test on the insulating bolts 6 to be tested.
  • the test piece assembly 4 and the electrode assembly 3 may be oppositely disposed at the top and the bottom of the measuring barrel assembly 2, and one end of the insulating bolt 6 to be tested may be fixed to the test piece assembly 4, and the other end of the insulating bolt 6 to be tested may be worn.
  • the electrode assembly 3 may be a three-electrode structure, and the electrode assembly 3 may be connected to a partial discharge device outside the measuring barrel assembly 2 to apply a voltage to the test insulating bolt 6 and obtain a result of a partial discharge performance test.
  • one end of the insulating bolt to be tested is fixed to the test piece assembly 4, the other end is passed through the electrode assembly 3, and a voltage is applied to the electrode assembly 3 through an external partial discharge device, thereby locally testing the insulating bolt 6 to be tested.
  • the discharge performance test ensures the insulation stability of the insulating bolts for the converter transformer, and solves the problem that it is difficult to test the partial discharge performance of the irregularly shaped insulating bolts in the prior art.
  • the test piece assembly 4 may include a fixing plate 41 and a connecting lug 43.
  • the fixing plate 41 is provided with a connecting member 411.
  • the fixing plate 41 may be a circular plate
  • the connecting member 411 may be a strip connecting plate
  • the strip connecting plate and the fixing plate 41 may be detachably connected, for example, by a screw
  • the strip connecting plate may be At least two connecting holes for placing the insulating bolts 6 to be tested, such as threaded holes, are provided, and in particular, the connecting holes can be arranged at equal intervals.
  • connecting lug 43 is connected to the top of the fixing plate 41, and the other end is connected to the bottom of the first cover 21.
  • the connecting ear 43 may be provided with a connecting hole detachably connected to the bottom of the first cover 21.
  • test piece assembly 4 can simultaneously place a plurality of insulating bolts 6 to be tested to simultaneously test a plurality of insulating bolts 6 to be tested, and further, connect the bottoms of the first cover 21 through the connecting ears 43, It is advantageous to place the insulating bolt 6 to be tested mounted on the fixing plate 41 firmly in the measuring barrel assembly 2.
  • the test piece assembly 4 may further include: a guide post 42 .
  • the guide post 42 is connected to the edge of the fixing plate 41, and the fixing plate 41 is connected to the side wall of the measuring bucket assembly 2 through the guiding post 42.
  • the guiding post 42 is inserted into the fixing plate 41 in the horizontal direction, and the guiding post 42 is connected to the sidewall of the measuring barrel assembly 2, and may be a ball structure configured to limit the insulating bolt to be tested to be inclined in the horizontal direction.
  • the accuracy of the guide post 42 can be selected according to the test requirements.
  • the precision of the guide post 42 can satisfy the verticality ⁇ of the insulating bolt 6 to be tested, which is 0.5 mm.
  • the guiding post 42 can be any positioning device for ensuring the verticality of the insulating bolt 6 to be tested, which is well known to those skilled in the art, and is not limited in this embodiment.
  • the electrode assembly 3 includes a high voltage electrode and two ground electrodes 31 on the upper and lower sides of the high voltage electrode.
  • the high voltage electrode and the ground electrode 31 may both have a disk-like structure.
  • the first through slot is defined in the high voltage electrode, and the second grounding slot 31 defines a second through slot corresponding to the first through slot, and the first through slot and the second through slot are correspondingly disposed with the connecting member 411.
  • the first through slot and the second through slot are disposed corresponding to the connecting member 411, so that the insulating bolt 6 to be tested is vertically disposed in the motor assembly 3.
  • the shape of the first through slot and the second through slot may be strips.
  • the diameter of the first through groove and the second through groove may be determined according to the diameter of the insulating bolt 6 to be tested.
  • the first through groove and the second through groove may have a diameter of 28 mm, and the insulating bolt having a maximum diameter of 26 mm may be worn. .
  • the first through slot and the second through slot are each at least two, and each of the first through slots and each of the second through slots are correspondingly disposed;
  • the connecting member 411 is at least two, each of the first through slots, each of the first The two-way groove is disposed in one-to-one correspondence with each of the connecting members 411.
  • one end of the plurality of insulating bolts 6 to be tested is respectively connected to the respective connecting members 411 through the connecting holes on the respective connecting members 411, and the other ends are respectively vertically disposed through the first through grooves and the second through grooves.
  • the leads of the high voltage electrode and the two ground electrodes 31 extend outside the side walls of the measuring barrel assembly 2, respectively, and are configured to be connected to an external partial discharge device. Specifically, the high voltage electrode and the leads of the two ground electrodes 31 may be respectively connected to test equipment such as a power source outside the measuring barrel assembly 2.
  • the embodiment has a simple structure and is easy to operate, and improves the efficiency of the partial discharge performance test while ensuring the test accuracy.
  • the pulley assembly 5 is further included. Therein, one end of the pulley assembly 5 is placed on the first cover 21 of the measuring bucket assembly 2, and is configured to pull the insulating bolt 6 to be tested to move in the axial direction of the measuring bucket assembly 2.
  • the pulley assembly 5 includes a first pulley 51, a second pulley 52, and a traction cable 53.
  • the first pulley 51 is connected to the first cover 21, and the second pulley 52 is connected to the support assembly 1.
  • the traction cable 53 is sequentially wound around the second pulley 52 and the first pulley 51, and is connected to the connecting lug 43 through the first cover 21, and is configured to pull the insulating bolt 6 to be tested to move in the axial direction of the measuring bucket assembly 2.
  • the first pulley 51 may be two, and the first cover 21 may be provided with a connecting plate, and the connecting plate is connected with the first cover 21 by screws, and the two first pulleys 51 may be placed on the connecting plate. end.
  • the support assembly 1 may be provided with a connecting shaft through which the second pulley 52 is coupled to the support assembly 1.
  • a through hole may be provided in the connecting plate connected to the first cover 21, and the traction cable 53 is wound around the two first pulleys 51, and is connected to the connecting ear 43 after passing through the through hole.
  • One end of the traction cable 53 can be connected to the output shaft of the motor, and the axial movement of the insulating bolt 6 to be tested is driven along the measuring barrel assembly 2 under the driving of the motor.
  • the pulley assembly 5 can control the insulating bolts 6 to be tested to move up and down in the measuring barrel assembly 2 by the motor, thereby realizing the test of the partial discharge performance of the relatively long insulating bolts.
  • the pulley assembly 5 may further include: a drying box 54 and a second cover 55. among them,
  • the drying box 54 is placed under the first pulley 51, the traction cable 53 is passed through the drying box 54, and the second cover 55 is connected to the drying box 54, and is configured to seal the drying box 54.
  • the drying box 54 may be provided with a through hole for allowing the traction cable 53 to pass through, and the drying box 54 may be filled with an adsorbent capable of adsorbing moisture or the like in the air.
  • the support assembly 1 may include a base 11 and a barrel body 12.
  • the bottom of the barrel body 12 is connected to the base 11, and the top of the barrel body 12 is in communication with the bottom of the measuring barrel assembly 2.
  • a plurality of uprights may be disposed at the bottom of the base 11, and the tubular body 12 and the top of the base 11 may be weldedly connected.
  • the height of the column and the body 12 of the base 11 can be selected according to actual conditions.
  • the diameter of the barrel body 12 can be smaller than the diameter of the measuring barrel assembly 2.
  • the height and diameter of the entire device can be determined according to the test situation. Selection is made, for example, the height of the entire device can be 2455 mm and the maximum diameter can be 600 mm.
  • At least two uprights 13 are disposed outside the tubular body 12, and the uprights 13 are distributed along the circumferential direction of the tubular body 12. Preferably, each of the uprights 13 is evenly distributed along the circumferential direction of the tubular body 12.
  • the support assembly 1 can better support the measuring bucket assembly 2; on the other hand, after the end of the test, it is also convenient to remove the insulating bolt 6 to be tested from the cylindrical body 12 for the next round of testing. , greatly increasing the convenience of the test operation.
  • the other end is passed through the electrode assembly, and a voltage is applied to the electrode assembly through an external partial discharge device, thereby performing a partial discharge performance test on the test insulating bolt.
  • the insulation stability of the insulating bolts for the converter transformer is guaranteed.
  • one end of the insulating bolt to be tested is fixed on the test piece assembly, and the other end is passed through the electrode assembly, and a voltage is applied to the electrode assembly through an external partial discharge device, thereby performing partial discharge performance test on the test insulating bolt.
  • the insulation stability of the insulating bolts for the converter transformer is guaranteed.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Relating To Insulation (AREA)

Abstract

本申请提供了一种绝缘螺栓局部放电性能试验装置。该装置包括：支撑组件、底部开口且顶部设有第一封盖的测量桶组件、电极组件和试件组件；其中，测量桶组件与支撑组件相连接，配置为容置电极组件和试件组件，试件组件和电极组件并列设置于测量桶组件内的顶部和底部；试件组件与测量桶组件的侧壁相连接，配置为放置待试验绝缘螺栓；电极组件与测量桶组件的侧壁相连接，配置为穿设待试验绝缘螺栓并对待试验绝缘螺栓进行局部放电性能试验。

Description

绝缘螺栓局部放电性能试验装置
相关申请的交叉引用
本申请基于申请号为201710453781.3、申请日为2017年06月15日的中国专利申请提出，并要求该中国专利申请的优先权，该中国专利申请的全部内容在此引入本申请作为参考。
技术领域
本申请涉及高压与绝缘技术领域，具体而言，涉及一种绝缘螺栓局部放电性能试验装置。
背景技术
本申请涉及高压与绝缘技术领域，具体而言，涉及一种绝缘螺栓局部放电性能试验装置。
发明内容
鉴于此，本申请提出了一种绝缘螺栓局部放电性能试验装置，旨在解决现有绝缘螺栓局部放电性能试验难以进行的问题。
一个方面，本申请提出了一种绝缘螺栓局部放电性能试验装置，其中，包括：支撑组件、底部开口且顶部设有第一封盖的测量桶组件、电极组件和试件组件；其中，所述测量桶组件与所述支撑组件相连接，配置为容置所述电极组件和所述试件组件，所述试件组件和所述电极组件并列设置于所述测量桶组件内的顶部和底部；所述试件组件与所述测量桶组件的侧壁相连接，配置为放置所述待试验绝缘螺栓；所述电极组件与所述测量桶组件的侧壁相连接，配置为穿设所述待试验绝缘螺栓并对所述待试验绝缘螺 栓进行局部放电性能试验。
进一步地，上述绝缘螺栓局部放电性能试验装置中，所述试件组件包括:固定板和连接耳；其中，所述固定板上设置有连接件，所述连接件上开设有至少两个用于放置待试验绝缘螺栓的螺纹孔；所述连接耳的一端与所述固定板的顶部相连接，另一端与所述第一封盖的底部相连接。
进一步地，上述绝缘螺栓局部放电性能试验装置中，所述试件组件还包括:导向柱；其中，所述导向柱与所述固定板的边缘相连接，所述固定板通过所述导向柱与所述测量桶组件的侧壁相连接。
进一步地，上述绝缘螺栓局部放电性能试验装置中，所述电极组件包括：高压电极和位于所述高压电极上下两侧的两个地电极；其中，
所述高压电极上开设有第一通槽，两个所述地电极开设有与所述第一通槽相对应的第二通槽，且所述第一通槽和所述第二通槽与所述连接件对应设置，配置为穿设所述待试验绝缘螺栓；所述高压电极和两个所述地电极的引线分别延伸至所述测量桶组件的侧壁外，配置为与外部局部放电设备相连接。
进一步地，上述绝缘螺栓局部放电性能试验装置中，所述第一通槽和所述第二通槽均至少为两个，并且，各所述第一通槽和各所述第二通槽对应设置；所述连接件至少为两个，各所述第一通槽、各所述第二通槽与各所述连接件一一对应设置。
进一步地，上述绝缘螺栓局部放电性能试验装置中，还包括：滑轮组件；其中，所述滑轮组件的一端置于所述测量桶组件的第一封盖上，配置为牵引所述待试验绝缘螺栓沿所述测量桶组件的轴向移动。
进一步地，上述绝缘螺栓局部放电性能试验装置中，所述滑轮组件包括：第一滑轮、第二滑轮和牵引索；其中，所述第一滑轮与所述第一封盖相连接，所述第二滑轮与所述支撑组件相连接；所述牵引索依次绕设于所 述第二滑轮和所述第一滑轮，并穿过所述第一封盖与所述连接耳相连接，配置为牵引所述待试验绝缘螺栓沿所述测量桶组件的轴向移动。
进一步地，上述绝缘螺栓局部放电性能试验装置中，所述滑轮组件还包括：干燥盒和第二封盖；其中，所述干燥盒置于所述第一滑轮下方，所述牵引索穿设于所述干燥盒；所述第二封盖与所述干燥盒相连接，配置为密封所述干燥盒。
进一步地，上述绝缘螺栓局部放电性能试验装置中，所述支撑组件包括：底座和筒体本体；其中，所述筒体本体的底部与所述底座相连接，所述筒体本体的顶部与所述测量桶组件的底部相连通；所述筒体本体外部设置有至少两根立柱，各所述立柱沿所述筒体本体的圆周方向分布。
进一步地，上述绝缘螺栓局部放电性能试验装置中，所述测量桶组件的材质为亚克力板材。
本申请实施例中，通过将待试验绝缘螺栓的一端固定于试件组件上，另一端穿设于电极组件，通过外部局部放电设备对电极组件施加电压，从而对待试验绝缘螺栓进行局部放电性能测试，保证了换流变压器用绝缘螺栓的绝缘稳定性。
附图说明
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为本申请实施例提供的绝缘螺栓局部放电性能试验装置的结构示意图；
图2为本申请实施例提供的绝缘螺栓局部放电性能试验装置的又一结构图；
图3为本申请实施例提供的绝缘螺栓局部放电性能试验装置的平面剖视图；
图4为本申请实施例提供的绝缘螺栓局部放电性能试验装置中试件组件的主视图；
图5为本申请实施例提供的绝缘螺栓局部放电性能试验装置中试件组件的侧视图；
图6为本申请实施例提供的绝缘螺栓局部放电性能试验装置中试件组件的仰视图；
图7为本申请实施例提供的绝缘螺栓局部放电性能试验装置中电极组件的结构图；
图8为本申请实施例提供的绝缘螺栓局部放电性能试验装置中滑轮组件的主视图；
图9为本申请实施例提供的绝缘螺栓局部放电性能试验装置中滑轮组件的俯视图。
具体实施方式
下面将参照附图更详细地描述本公开的示例性实施例。虽然附图中显示了本公开的示例性实施例，然而应当理解，可以以各种形式实现本公开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公开，并且能够将本公开的范围完整的传达给本领域的技术人员。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。下面将参考附图并结合实施例来详细说明本申请。
参见图1-图3，图中示出了本申请实施例提供的绝缘螺栓局部放电性能试验装置的优选结构。如图所示，该装置包括：支撑组件1、底部开口且顶部设有第一封盖21的测量桶组件2、电极组件3和试件组件4。
其中，测量桶组件2与支撑组件1相连接，配置为容置电极组件3和 试件组件4。
具体地，支撑组件1可以包括：底座11和筒体本体12。底座11可以由底板和支撑柱组成，筒体本体12的底部与底座11相连接，例如可以焊接为一体结构。测量桶组件2的第一封盖21与测量桶组件2可以可拆卸连接，例如螺栓连接，测量桶组件2的底部开口，筒体本体12的顶部与测量桶组件2的底部相连通，测量桶组件2的材质可以为亚克力板材。
试件组件4和电极组件3并列设置于测量桶组件2内的顶部和底部，试件组件4与测量桶组件2的侧壁相连接，配置为放置待试验绝缘螺栓6；电极组件3与测量桶组件2的侧壁相连接，配置为穿设待试验绝缘螺栓6并对待试验绝缘螺栓6进行局部放电性能试验。
具体地，试件组件4和电极组件3可以相对设置于测量桶组件2内的顶部和底部，待试验绝缘螺栓6的一端可以固定于试件组件4，待试验绝缘螺栓6的另一端可以穿设于电极组件3，电极组件3可以为三电极结构，电极组件3可以与测量桶组件2外部的局部放电设备相连接，以对待试验绝缘螺栓6施加电压并获取局部放电性能试验的结果。
本实施例中，通过将待试验绝缘螺栓的一端固定于试件组件4上，另一端穿设于电极组件3，通过外部局部放电设备对电极组件3施加电压，从而对待试验绝缘螺栓6进行局部放电性能测试，保证了换流变压器用绝缘螺栓的绝缘稳定性，解决了现有技术中难以对不规则形状的绝缘螺栓进行局部放电性能试验的问题。
参见图4至图6，上述实施例中，试件组件4可以包括:固定板41和连接耳43。
其中，固定板41上设置有连接件411。具体地，固定板41可以为圆形板，连接件411可以为条状连接板，条状连接板与固定板41可以为可拆卸连接，例如通过螺钉相连接，并且，条状连接板上可以开设有至少两个用 于放置待试验绝缘螺栓6的连接孔，例如螺纹孔，具体实施时，各连接孔可以等间距设置。
连接耳43的一端与固定板41的顶部相连接，另一端与第一封盖21的底部相连接。具体地，连接耳43上可以开设有与第一封盖21的底部可拆卸连接的连接孔。
可以看出，试件组件4可以同时放置多个待试验绝缘螺栓6，以对多个待试验绝缘螺栓6同时进行试验，此外，通过连接耳43与第一封盖21的底部相连接，有利于将固定板41上安装的待试验绝缘螺栓6稳固的放置于测量桶组件2中。
继续参见图4至图6，上述实施例中，试件组件4还可以包括:导向柱42。其中，导向柱42与固定板41的边缘相连接，固定板41通过导向柱42与测量桶组件2的侧壁相连接。具体地，导向柱42沿水平方向插设于固定板41，且导向柱42与测量桶组件2的侧壁相连接处可以为滚珠结构，配置为限制待试验绝缘螺栓向水平方向倾斜。导向柱42的精度可以根据试验要求进行选择，例如导向柱42的精度可以满足待试验绝缘螺栓6的垂直度⊥为0.5mm。具体实施时，导向柱42可以为本领域技术人员所熟知的任意一种用于保证待试验绝缘螺栓6的垂直度的定位装置，本实施例对其不作任何限定。
可以看出，通过导向柱42，能保证待试验绝缘螺栓6的垂直度，有利于提高试验的精度。
上述实施例中，电极组件3包括：高压电极和位于高压电极上下两侧的两个地电极31。具体地，高压电极和地电极31可以均为圆盘状结构。
其中，高压电极上开设有第一通槽，两个地电极31开设有与第一通槽相对应的第二通槽，且第一通槽和第二通槽与连接件411对应设置，配置为穿设待试验绝缘螺栓6。具体地，第一通槽和第二通槽与连接件411对应 设置，能保证待试验绝缘螺栓6垂直穿设于电机组件3中，第一通槽和第二通槽的形状可以为条状，第一通槽和第二通槽的口径可以根据待试验绝缘螺栓6的直径进行确定，例如第一通槽和第二通槽的口径可以为28mm，可以穿设最大直径为26mm的绝缘螺栓。
优选地，第一通槽和第二通槽均至少为两个，并且，各第一通槽和各第二通槽对应设置；连接件411至少为两个，各第一通槽、各第二通槽与各连接件411一一对应设置。具体地，多个待试验绝缘螺栓6的一端分别通过各个连接件411上的连接孔与各个连接件411相连接，另一端分别依次垂直穿设于各第一通槽和各第二通槽。
高压电极和两个地电极31的引线分别延伸至测量桶组件2的侧壁外，配置为与外部局部放电设备相连接。具体地，高压电极和两个地电极31的引线可以分别与测量桶组件2外部的电源等试验设备相连接。
可以看出，本实施例结构简单，易于操作，在保证试验精度的同时提高了局部放电性能试验的效率。
参见图7至图9，上述实施例中，还包括：滑轮组件5。其中，滑轮组件5的一端置于测量桶组件2的第一封盖21上，配置为牵引待试验绝缘螺栓6沿测量桶组件2的轴向移动。具体地，滑轮组件5包括：第一滑轮51、第二滑轮52和牵引索53。其中，第一滑轮51与第一封盖21相连接，第二滑轮52与支撑组件1相连接。牵引索53依次绕设于第二滑轮52和第一滑轮51，并穿过第一封盖21与连接耳43相连接，配置为牵引待试验绝缘螺栓6沿测量桶组件2的轴向移动。具体地，第一滑轮51可以为两个，第一封盖21上可以设置连接板，连接板与第一封盖21通过螺钉相连接，两个第一滑轮51可以置于该连接板的两端。支撑组件1上可以设置有连接轴，第二滑轮52通过该连接轴与支撑组件1相连接。与第一封盖21相连接的连接板上可以设置通孔，牵引索53绕设过两个第一滑轮51后，穿过该通 孔后与连接耳43相连接。牵引索53的一端可以与电机的输出轴相连接，在电机的驱动下牵引待试验绝缘螺栓6沿测量桶组件2的轴向移动。
可以看出，滑轮组件5可通过电机控制待试验绝缘螺栓6在测量桶组件2中上下移动，从而实现对较大长度绝缘螺栓的局部放电性能的测试。
上述实施例中，滑轮组件5还可以包括：干燥盒54和第二封盖55。其中，
干燥盒54置于第一滑轮51下方，牵引索53穿设于干燥盒54，第二封盖55与干燥盒54相连接，配置为密封干燥盒54。具体地，干燥盒54可以开设有用于使牵引索53穿设的通孔，干燥盒54中可以填充能吸附空气中水分等的吸附剂。
可以看出，通过干燥盒54可以出去牵引索53可能带入的空气中的水分，有效保证了试验的精度。
上述实施例中，支撑组件1可以包括：底座11和筒体本体12。其中，筒体本体12的底部与底座11相连接，筒体本体12的顶部与测量桶组件2的底部相连通。具体地，底座11的底部还可以设置多根立柱，筒体本体12与底座11顶部可以焊接连接。底座11的底部的立柱、筒体本体12的高度均可以根据实际情况进行选择，筒体本体12的直径可以小于测量桶组件2的直径，具体实施时，整个装置的高度和直径可以根据试验情况进行选择，例如整个装置的高度可以为2455mm，最大直径可以为600mm。
筒体本体12外部设置有至少两根立柱13，各立柱13沿筒体本体12的圆周方向分布。优选地，各立柱13沿筒体本体12的圆周方向均匀分布。
可以看出，一方面，支撑组件1能更好地支撑测量桶组件2；另一方面，待试验结束后也便于将待试验绝缘螺栓6从筒体本体12中拆卸掉以进行下一轮试验，大大增加了试验操作的便捷性。
综上所述，通过将待试验绝缘螺栓的一端固定于试件组件上，另一端 穿设于电极组件，通过外部局部放电设备对电极组件施加电压，从而对待试验绝缘螺栓进行局部放电性能测试，保证了换流变压器用绝缘螺栓的绝缘稳定性。
显然，本领域的技术人员可以对本申请进行各种改动和变型而不脱离本申请的精神和范围。这样，倘若本申请的这些修改和变型属于本申请权利要求及其等同技术的范围之内，则本申请也意图包含这些改动和变型在内。
工业实用性
采用本申请实施例，通过将待试验绝缘螺栓的一端固定于试件组件上，另一端穿设于电极组件，通过外部局部放电设备对电极组件施加电压，从而对待试验绝缘螺栓进行局部放电性能测试，保证了换流变压器用绝缘螺栓的绝缘稳定性。

Claims (10)

  1. 一种绝缘螺栓局部放电性能试验装置，包括：支撑组件(1)、底部开口且顶部设有第一封盖(21)的测量桶组件(2)、电极组件(3)和试件组件(4)；其中，
    所述测量桶组件(2)与所述支撑组件(1)相连接，配置为容置所述电极组件(3)和所述试件组件(4)，所述试件组件(4)和所述电极组件(3)并列设置于所述测量桶组件(2)内的顶部和底部；
    所述试件组件(4)与所述测量桶组件(2)的侧壁相连接，配置为放置所述待试验绝缘螺栓(6)；
    所述电极组件(3)与所述测量桶组件(2)的侧壁相连接，配置为穿设所述待试验绝缘螺栓(6)并对所述待试验绝缘螺栓(6)进行局部放电性能试验。
  2. 根据权利要求1所述的绝缘螺栓局部放电性能试验装置，其中，所述试件组件(4)包括：固定板(41)和连接耳(43)；其中，
    所述固定板(41)上设置有连接件(411)，所述连接件(411)上开设有至少两个用于放置待试验绝缘螺栓(6)的螺纹孔；
    所述连接耳(43)的一端与所述固定板(41)的顶部相连接，另一端与所述第一封盖(21)的底部相连接。
  3. 根据权利要求2所述的绝缘螺栓局部放电性能试验装置，其中，所述试件组件(4)还包括:导向柱(42)；其中，
    所述导向柱(42)与所述固定板(41)的边缘相连接，所述固定板(41)通过所述导向柱(42)与所述测量桶组件(2)的侧壁相连接。
  4. 根据权利要求3所述的绝缘螺栓局部放电性能试验装置，其中，所述电极组件(3)包括：高压电极(32)和位于所述高压电极(32)上下两侧的两个地电极(31)；其中，
    所述高压电极(32)上开设有第一通槽，两个所述地电极(31)开设有与所述第一通槽相对应的第二通槽，且所述第一通槽和所述第二通槽与所述连接件(411)对应设置，配置为穿设所述待试验绝缘螺栓(6)；
    所述高压电极(32)和两个所述地电极(31)的引线分别延伸至所述测量桶组件(2)的侧壁外，配置为与外部局部放电设备相连接。
  5. 根据权利要求4所述的绝缘螺栓局部放电性能试验装置，其中，所述第一通槽和所述第二通槽均至少为两个，并且，各所述第一通槽和各所述第二通槽对应设置；
    所述连接件(411)至少为两个，各所述第一通槽、各所述第二通槽与各所述连接件(411)一一对应设置。
  6. 根据权利要求5所述的绝缘螺栓局部放电性能试验装置，其中，还包括：滑轮组件(5)；其中，
    所述滑轮组件(5)的一端置于所述测量桶组件(2)的第一封盖(21)上，配置为牵引所述待试验绝缘螺栓(6)沿所述测量桶组件(2)的轴向移动。
  7. 根据权利要求6所述的绝缘螺栓局部放电性能试验装置，其中，所述滑轮组件(5)包括：第一滑轮(51)、第二滑轮(52)和牵引索(53)；其中，
    所述第一滑轮(51)与所述第一封盖(21)相连接，所述第二滑轮(52)与所述支撑组件(1)相连接；
    所述牵引索(53)依次绕设于所述第二滑轮(52)和所述第一滑轮(51)，并穿过所述第一封盖(21)与所述连接耳(43)相连接，配置为牵引所述待试验绝缘螺栓(6)沿所述测量桶组件(2)的轴向移动。
  8. 根据权利要求7所述的绝缘螺栓局部放电性能试验装置，其中，所述滑轮组件(5)还包括：干燥盒(54)和第二封盖(55)；其中，
    所述干燥盒(54)置于所述第一滑轮(51)下方，所述牵引索(53)穿设于所述干燥盒(54)；
    所述第二封盖(55)与所述干燥盒(54)相连接，配置为密封所述干燥盒(54)。
  9. 根据权利要求1至8中任一项所述的绝缘螺栓局部放电性能试验装置，其中，所述支撑组件(1)包括：底座(11)和筒体本体(12)；其中，
    所述筒体本体(12)的底部与所述底座(11)相连接，所述筒体本体(12)的顶部与所述测量桶组件(2)的底部相连通；
    所述筒体本体(12)外部设置有至少两根立柱(13)，各所述立柱(13)沿所述筒体本体(12)的圆周方向分布。
  10. 根据权利要求1至8中任一项所述的绝缘螺栓局部放电性能试验装置，其中，所述测量桶组件(2)的材质为亚克力板材。
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