CN204464000U - Internal oil type metal corrugated expansion oil storage cabinet - Google Patents

Internal oil type metal corrugated expansion oil storage cabinet Download PDF

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Publication number
CN204464000U
CN204464000U CN 201520129110 CN201520129110U CN204464000U CN 204464000 U CN204464000 U CN 204464000U CN 201520129110 CN201520129110 CN 201520129110 CN 201520129110 U CN201520129110 U CN 201520129110U CN 204464000 U CN204464000 U CN 204464000U
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oil
metal bellows
cabinet
body
metal corrugated
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CN 201520129110
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Chinese (zh)
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邵为
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沈阳海为电力设备有限公司
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Abstract

The utility model relates to a compensation device which is applied to a power system and changes capacity along with changes of the oil temperature of a transformer, in particular to an internal oil type metal corrugated expansion oil storage cabinet. The internal oil type metal corrugated expansion oil storage cabinet comprises a cabinet body and a metal corrugated expansion body installed in the cabinet body, and the diameter of the middle of the metal corrugated expansion body is larger than that of the two ends, namely the diameter of the metal corrugated expansion body contracts from the middle to the two ends. The inside of the metal corrugated expansion body is connected with a transformer oil tank in a sealed mode through an oil conveying pipeline, the metal corrugated expansion body is provided with an exhaust pipeline used for exhausting internal air, and the exhaust pipeline penetrates out of the cabinet body and is communicated with the external atmosphere. The inside of the metal corrugated expansion body is communicated with the transformer oil tank, and transformer oil is in the metal corrugated expansion body and only makes contact with the inner surface of stainless steel, and will not be polluted. The metal corrugated expansion body moves longitudinally and vertically in the cabinet body, the habitual acceptance of people for a traditional oil storage cabinet is guaranteed, and the longitudinal movement mode of the metal corrugated expansion body is also guaranteed.

Description

内油式金属波纹膨胀储油柜 Metal bellows expansion the oil conservator

技术领域 FIELD

[0001] 本实用新型涉及应用于电力系统中随着变压器的油温变化而改变容积的补偿装置,具体地说是一种内油式金属波纹膨胀储油柜。 [0001] The present invention relates to systems used in power as the oil temperature change in the transformer varies the volume compensating means, in particular metal bellows expansion oil is an in conservator.

背景技术 Background technique

[0002]目前,在市场上为变压器配置的有一种卧式外油储油柜,其外形结构为金属圆柱体,金属波纹膨胀体为圆形结构、置于壳体内,且全部浸在油中,金属波纹膨胀体内部经呼吸口与大气相通;在金属波纹膨胀体外面与壳体之间盛装变压器油,通过壳体下部的管路与变压器油箱连通,通过金属波纹膨胀体的膨胀和压缩达到为变压器油体积变化补偿的目的。 [0002] Currently, there is a horizontal arranged outside the transformer conservator in the oil market, which is a metal cylinder shape structure, a circular metal bellows expandable body structure disposed within the housing and is entirely submerged in oil , corrugated metal inner expandable body through the breather port to the atmosphere; transformer oil containing the metal bellows expansion between the outer member and the housing in communication with the transformer tank through a line in a lower portion of the housing, through the expanded metal corrugated expansion and compression member reaches transformer oil for the purpose of compensating the volume change. 经过几年的在线运行发现存在如下缺点: After several years of online operation found the following disadvantages:

[0003] 1.壳体是碳钢材料,金属波纹膨胀体上装有支撑滚动滑轮,运动中滑轮与壳体内壁有滑动摩擦,因此易造成变压器油被污染。 [0003] 1. The housing is a steel material, with the metal bellows support scrollwheel expandable body, movement of the pulley and the housing inner wall of sliding friction, and therefore easily lead to contamination of the transformer oil.

[0004] 2.因金属波纹膨胀体是一个柔性体,在变压器油中不稳定,需要滑轮支撑导向,运动时不能完全同步,易产生卡滞。 [0004] 2. Because the metal bellows expandable body is a flexible body, in the transformer oil is unstable, the guide pulley support need not be fully synchronized motion, prone to jamming.

[0005] 3.现有卧式外油储油柜的金属波纹膨胀体及壳体需要双重密封处理,增加了焊道渗漏油的隐患;金属波纹膨胀体不易发现漏点,给运行带来隐患。 [0005] 3. The outer body of the conventional horizontal metal bellows expansion housing and the oil conservator requires dual sealing process, increasing the risk of oil leakage bead; a metal bellows expansion body difficult to find the leak, run to bring risks.

[0006] 4.壳体内盛装变压器油且直接受外界阳光的辐射,易使变压器油温升高及老化,增加运行成本。 [0006] 4. The inner housing containing transformer oil and the outside directly by irradiation of the sun, easy to make and aging temperature rise of the transformer, running cost increases.

实用新型内容 SUMMARY

[0007] 鉴于现有卧式外油储油柜存在的上述不足,本实用新型的目的在于提供一种内油式金属波纹膨胀储油柜。 [0007] In view of the above outer horizontal shortcomings of conventional oil conservator, the present invention aims to provide an oil an in metal bellows expansion conservator.

[0008] 本实用新型的目的是通过以下技术方案来实现的: [0008] The object of the present invention is achieved by the following technical solutions:

[0009] 本实用新型包括柜体及安装在该柜体内的金属波纹膨胀体,所述金属波纹膨胀体的中间直径大于两端直径,即该金属波纹膨胀体的直径沿轴向由中间向两端内缩;所述金属波纹膨胀体的内部通过输油管路与变压器油箱密封连接,该金属波纹膨胀体上设有用于排出内部气体的排气管路,所述排气管路由柜体穿出、与外界大气相连通。 [0009] The present invention includes a cabinet and a metal bellows expansion body is mounted in the cabinet, the diameter of the metal bellows expansion intermediate body is greater than the diameter at both ends, i.e., the diameter of the metal bellows axially expandable body from the middle to two the inner end of the shrink; expandable body inside the metal bellows is sealingly connected by pipelines to the transformer tank passage, an exhaust pipe for discharging gas inside the metal bellows expandable body, said exhaust pipe routing piercing cabinet, communicating with the outside atmosphere.

[0010] 其中:所述金属波纹膨胀体分为形状相同的上下两个,每个所述金属波纹膨胀体均为缩径结构,即直径由一端向另一端内缩,两个所述金属波纹膨胀体直径较大的一端密封连接,并连接于所述柜体的内壁上;上下两个所述金属波纹膨胀体结合在一起的轴向截面,中间为长方形,两边为半圆形;所述柜体上开有监测金属波纹膨胀体内油位变化的油位观察窗;所述金属波纹膨胀体在柜体内做纵向垂直运动,即沿轴向运动;所述柜体的轴向与金属波纹膨胀体的轴向垂直,该柜体的径向截面为圆形、椭圆形或正多边形;所述金属波纹膨胀体依次通过输油软管、输油管路密封连接于变压器油箱,所述柜体上安装有与输油软管相连通的注放油管。 [0010] wherein: said metal bellows expandable body into the same shape as upper and lower, each of the metal bellows are reduced in diameter expandable body structure, i.e., reduced in diameter from one end to the other end, the two corrugated metal larger end connected to the expansion diameter of the seal body, and connected to the inner wall of the cabinet; the two upper and lower metallic bellows expansion binding together an axial cross section, an intermediate rectangular, semicircular sides; the metal bellows expansion opened vivo monitoring changes in the oil level on the oil level sight glass cabinet; the metal bellows made expandable body perpendicular to the longitudinal movement of the cabinet, that is axially movable; axial direction of the cabinet with the expanded metal bellows perpendicular to the axial body, a radial cross section of the cabinet is circular, oval or regular polygonal; the metallic bellows expansion member passes through an oil hose, a seal oil pipelines connected to the transformer tank, mounted on the cabinet hose has communicated with the discharging pipe.

[0011] 本实用新型的优点与积极效果为: [0011] The advantages of the present invention and the positive effects:

[0012] 1.本实用新型金属波纹膨胀体内部与变压器油箱相连通,变压器油在金属波纹膨胀体内只与不锈钢的内表面接触,不会受到任何污染;金属波纹膨胀体在柜体内做纵向垂直运动,既保证了人们对传统储油柜的习惯认可,又保证了金属波纹膨胀体纵向运动的方式。 [0012] 1. The present invention is expandable body inside the metal bellows is connected to the transformer tank, the transformer oil in a metal bellows expansion body surface in contact only with stainless steel, will not be any contamination; expandable body made of corrugated metal cabinet in a longitudinal vertical sports, both to ensure the people's traditional habits conservator recognition, but also to ensure that the way metal bellows expansion body longitudinal movement.

[0013] 2.本实用新型将金属波纹膨胀体分为了上下两个,便于安装拆卸;上下两个金属波纹膨胀体均为缩径结构,避免了金属波纹膨胀体在做纵向垂直运动过程中发生卡滞。 [0013] 2. The present invention is a metal bellows expansion body up and down into two, to facilitate installation and removal; two vertical metal bellows are reduced in diameter expandable body structure, avoids metallic bellows expansion member occurs during movement perpendicular to the longitudinal doing catching.

[0014] 3.本实用新型在柜体上设置了油位观察窗,便于监测金属波纹膨胀体内的油位变化。 [0014] 3. The present invention, on the cabinet is provided an oil level sight glass, to facilitate monitoring of the oil level change of the metal bellows expansion in vivo.

附图说明 BRIEF DESCRIPTION

[0015] 图1为本实用新型的内部结构示意图; [0015] Fig 1 a schematic internal structure of the present novel utility;

[0016] 图2为图1的左视剖视图; [0016] FIG. 2 is a cross-sectional view of a left view of Figure 1;

[0017] 其中为柜体,2为金属波纹膨胀体,3为排气管路,4为输油管路,5为输油软管,6为油位观察窗,7为注放油管。 [0017] wherein cubicle, a metal bellows expansion element 2, 3 is an exhaust pipe, pipeline road 4, 5 oil hose, an oil level sight glass 6, 7 of the discharging pipe.

具体实施方式 Detailed ways

[0018] 下面结合附图对本实用新型作进一步详述。 [0018] DETAILED DESCRIPTION OF THE DRAWINGS The present invention is further made.

[0019] 如图1、图2所示,本实用新型包括柜体I及安装在该柜体I内的金属波纹膨胀体2,其中金属波纹膨胀体2的中间直径大于两端直径,即该金属波纹膨胀体2的直径沿轴向由中间向两端内缩。 [0019] FIG 1, the present invention includes a cabinet and a metal bellows expansion I mounted in the cabinet I is 2, wherein the metal bellows FIG expandable body 2 is larger than the diameter of intermediate diameter at both ends, i.e., the the diameter of the metal bellows expansion member 2 in the axial direction from the middle to the condensing ends.

[0020] 为了拆装方便,本实施例的金属波纹膨胀体2分为形状相同的上下两个,每个金属波纹膨胀体2均为缩径结构,即直径由一端向另一端内缩;本实施例的两个金属波纹膨胀体2上下设置,位于下方的金属波纹膨胀体2倒置设置(即位于上方的金属波纹膨胀体上窄下宽,位于下方的金属波纹膨胀体上宽下窄),上下两个金属波纹膨胀体2结合在一起的轴向截面,中间为长方形,两边为半圆形。 [0020] For easy disassembly, 2 into the same shape as the upper and lower two metal bellows expansion body according to the present embodiment, each metal bellows expansion element 2 are reduced in diameter structure, i.e., reduced in diameter from one end to the other end; the present two corrugated metal 2 vertically disposed embodiment expandable body 2 located below the inverted set of metal bellows expansion (i.e. on the metal bellows expandable body above the narrow width, the width of the metal bellows is located below the expandable body is narrow), upper and lower two metal bellows expansion element 2 together axial section, an intermediate rectangular, semicircular sides.

[0021] 柜体I的轴向与金属波纹膨胀体2的轴向垂直,该柜体I的径向截面为圆形、椭圆形或正多边形(如正六边形或正八边形);本实施例的柜体I为圆柱形,径向截面为圆形。 [0021] axial with the metal bellows expansion cabinet I perpendicular to the axial direction of the body 2, the radial cross section of the cabinet I is circular, oval or regular polygonal (e.g., a regular hexagon or a regular octagon); the present embodiment Examples of the cabinet I is cylindrical, circular radial cross-section.

[0022] 两个金属波纹膨胀体2直径较大的一端密封连接,并连接于柜体I两端面的内壁上,在柜体I内做纵向垂直(即沿轴向)运动。 [0022] The two metal bellows expandable body 2 of larger diameter sealingly connected at one end, and connected to both end surfaces on the inner wall of the cabinet I, made in the longitudinal vertical cabinet I (i.e., along the axial direction). 金属波纹膨胀体2依次通过输油软管5、输油管路4密封连接于变压器油箱,形成全密封的油路系统,柜体I上安装有与输油软管5相连通的注放油管7。 Metal bellows expansion element 2 passes through the oil hose 5, the seal 4 is connected to the transformer tank oil pipelines, are formed in the sealed hydraulic system, with the oil hose 5 is attached to the discharging pipe communicating 7 on the cabinet I. 在金属波纹膨胀体2的上部设有排气管路3,用于排出金属波纹膨胀体2内部的气体;该排气管路3由柜体I穿出,与外界大气相连通。 In the upper portion of the metallic bellows expansion body 2 is provided with an exhaust pipe 3 for discharging the gas inside the two metal bellows expansion thereof; piercing the exhaust pipe 3 by the cabinet I, communicating with the outside atmosphere.

[0023] 在柜体I的任一侧端面上开有油位观察窗6,便于监测金属波纹膨胀体2内的油位变化。 [0023] The end surface of the opening on either side of the cabinet I oil sight glass 6, to facilitate the changes in oil level of the second monitor metallic bellows expansion thereof.

[0024] 本实用新型的工作原理为: [0024] The present invention works as follows:

[0025] 当变压器油温升高时,变压器油通过输油管路4、输油软管5进入金属波纹膨胀体2内,金属波纹膨胀体2做纵向垂直运动,金属波纹膨胀体2膨胀。 [0025] When the temperature rise of the transformer, the transformer oil passage 4 through a pipeline, an oil hose 5 into the metal bellows expansion body 2, made of metal bellows expansion element 2 perpendicular to the longitudinal movement of the metal bellows expansion body 2 expands. 当变压器油温降低时,金属波纹膨胀体2内的变压器油通过输油软管5、输油管路4流回变压器,金属波纹膨胀体2收缩,以容积的改变实现为变压器油体积变化的补偿,实现为变压器油体积变化补偿的目的,保证变压器的安全运行。 When lowering the transformer oil, metal bellows expansion body 2 in the transformer oil by the oil hose 5, 4 back into the transformer oil pipelines, metal bellows expansion body 2 contracts to change the volume of the compensation transformer is implemented as a change in oil volume, purposes of transformer oil volume change compensation to ensure the safe operation of the transformer. 金属波纹膨胀体在做纵向垂直运动的过程中,因缩径结构的设计,避免了在运动过程中发生卡滞。 Metal bellows expansion perpendicular to the longitudinal body during the movement of doing, by diameter reduction structure designed to avoid the occurrence of jamming during movement.

[0026] 金属波纹膨胀体2内的油可通过注放油管7排出。 [0026] The metal bellows expansion element 2 may be in the oil is discharged through the discharging pipe 7.

[0027] 本实用新型的金属波纹膨胀体2的材质为不锈钢。 [0027] The metallic bellows of the present invention is expandable body 2 made of stainless steel. 本实用新型既保持了传统储油柜的外观结构形式,又具有内油式的全密封、微正压的工作特性,油位指示直观、准确;为了满足变压器的使用要求,储油柜的外形结构可根据实际需要来设计。 The present invention while maintaining the appearance of a conventional structure conservator, and sealed with the oil-like, operating characteristics of a slight positive pressure, oil level visual indication of the accuracy; a transformer in order to meet the requirements, the shape conservator structure can be designed according to actual needs.

Claims (7)

1.一种内油式金属波纹膨胀储油柜,包括柜体及安装在该柜体内的金属波纹膨胀体,其特征在于:所述金属波纹膨胀体(2)的中间直径大于两端直径,即该金属波纹膨胀体(2)的直径沿轴向由中间向两端内缩;所述金属波纹膨胀体(2)的内部通过输油管路与变压器油箱密封连接,该金属波纹膨胀体(2)上设有用于排出内部气体的排气管路(3),所述排气管路⑶由柜体⑴穿出、与外界大气相连通。 A metal bellows expansion the oil conservator, comprising a metal bellows mounted in the cabinet and the cabinet's expandable body, wherein: the diameter of the metal bellows expansion intermediate body (2) is larger than the diameter at both ends, i.e. the diameter of the metal bellows axially expandable body (2) is reduced from the middle to the ends; expandable body inside the metal bellows (2) is connected to the transformer tank is sealed by the oil pipeline, expanding the metal bellows member (2) It is provided on the exhaust line (3) for discharging gas inside the exhaust line of the cabinet ⑶ ⑴ piercing, communicating with the outside atmosphere.
2.按权利要求1所述的内油式金属波纹膨胀储油柜,其特征在于:所述金属波纹膨胀体(2)分为形状相同的上下两个,每个所述金属波纹膨胀体(2)均为缩径结构,即直径由一端向另一端内缩,两个所述金属波纹膨胀体(2)直径较大的一端密封连接,并连接于所述柜体(I)的内壁上。 2. claims metallic bellows expansion oil conservator claim 1, wherein: said expandable metal bellows member (2) into the same shape as upper and lower, each of said metal bellows expandable body ( 2) structure are reduced in diameter, i.e., reduced diameter from one end to the other end, the two metal bellows expandable body (2) connected to the larger diameter end of the sealing, and connected to the inner wall of the cabinet (I) is .
3.按权利要求2所述的内油式金属波纹膨胀储油柜,其特征在于:上下两个所述金属波纹膨胀体(2)结合在一起的轴向截面,中间为长方形,两边为半圆形。 3. claims metallic bellows expansion oil conservator claim 2, wherein: the upper and lower two metal bellows expandable body (2) combined together in axial section, an intermediate rectangular, half sides round.
4.按权利要求1或2所述的内油式金属波纹膨胀储油柜,其特征在于:所述柜体(I)上开有监测金属波纹膨胀体(2)内油位变化的油位观察窗(6)。 Claim 4. Metal bellows expansion the oil conservator 1 or claim 2, wherein: an oil level inside the opening (2) monitoring the change in the oil level metal bellows expansion body of the cabinet (I) viewing window (6).
5.按权利要求1或2所述的内油式金属波纹膨胀储油柜,其特征在于:所述金属波纹膨胀体(2)在柜体⑴内做纵向垂直运动,即沿轴向运动。 The oil conservator metal bellows expansion according to claim 5. 1 or 2, wherein: said expandable metal bellows member (2) made perpendicular to the longitudinal movement within the cabinet ⑴, i.e. move axially.
6.按权利要求1或2所述的内油式金属波纹膨胀储油柜,其特征在于:所述柜体(I)的轴向与金属波纹膨胀体(2)的轴向垂直,该柜体(I)的径向截面为圆形、椭圆形或正多边形。 Metal bellows expansion the oil conservator 6. claim 1 or 2, wherein: the cabinet (I) and the metal bellows axially expandable body (2) perpendicular to the axial direction, the counter a radial section (I) is a circular, elliptical, or regular polygonal.
7.按权利要求1或2所述的内油式金属波纹膨胀储油柜,其特征在于:所述金属波纹膨胀体(2)依次通过输油软管(5)、输油管路(4)密封连接于变压器油箱,所述柜体(I)上安装有与输油软管(5)相连通的注放油管(7)。 7. Metal bellows expansion the oil conservator according to claim 1 or 2, wherein: said expandable metal bellows (2) passes through an oil hose (5), (4) seal oil pipelines connected to the transformer tank, and an oil hose is attached to (5) of the cabinet (I) communicating discharging pipe (7).
CN 201520129110 2015-03-05 2015-03-05 Internal oil type metal corrugated expansion oil storage cabinet CN204464000U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105700452A (en) * 2015-11-13 2016-06-22 沈阳海为电力装备股份有限公司 Remote monitoring system based on internet and intelligent oil conservator
CN105989999A (en) * 2015-03-05 2016-10-05 沈阳海为电力设备有限公司 Internal oil type metal corrugated expansion oil conservator

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105989999A (en) * 2015-03-05 2016-10-05 沈阳海为电力设备有限公司 Internal oil type metal corrugated expansion oil conservator
CN105989999B (en) * 2015-03-05 2018-03-02 沈阳海为电力设备有限公司 An internal metallic bellows expansion oil conservator
CN105700452A (en) * 2015-11-13 2016-06-22 沈阳海为电力装备股份有限公司 Remote monitoring system based on internet and intelligent oil conservator

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