WO2017049812A1 - High-safety capacitor provided with metal housing - Google Patents

High-safety capacitor provided with metal housing Download PDF

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Publication number
WO2017049812A1
WO2017049812A1 PCT/CN2016/000520 CN2016000520W WO2017049812A1 WO 2017049812 A1 WO2017049812 A1 WO 2017049812A1 CN 2016000520 W CN2016000520 W CN 2016000520W WO 2017049812 A1 WO2017049812 A1 WO 2017049812A1
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WIPO (PCT)
Prior art keywords
capacitor
cable
cover
housing
casing
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PCT/CN2016/000520
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French (fr)
Chinese (zh)
Inventor
张自魁
许峰
潘浩
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上海皓月电气有限公司
安徽皓月电气有限公司
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Application filed by 上海皓月电气有限公司, 安徽皓月电气有限公司 filed Critical 上海皓月电气有限公司
Publication of WO2017049812A1 publication Critical patent/WO2017049812A1/en

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G4/00—Fixed capacitors; Processes of their manufacture
    • H01G4/002—Details
    • H01G4/224—Housing; Encapsulation

Definitions

  • This invention relates to capacitors, and more particularly to a highly safe metal casing capacitor.
  • the existing cable lead-out capacitor adopts a structure in which an aluminum protective cap is disposed on the upper end of the capacitor aluminum casing, and the aluminum protective cap is a cylindrical body having a horizontal cover plate at the upper end, and the horizontal cover plate has a cable line.
  • the lead-out hole is used to lead the cable connecting the electrode sheets.
  • the horizontal cover can further extend the lead-out pipe that communicates with the cable lead-out hole.
  • the aluminum protective cap has a certain height, the height and volume of the capacitor are increased.
  • the aluminum used in the aluminum protective cap is relatively large, which increases the manufacturing cost of the product.
  • the aluminum protective cap is placed on the aluminum casing of the capacitor. Because there is still a large space between the horizontal cover of the aluminum protective cap and the connection part of the aluminum casing, the product structure is not compact and the number of the product is increased. Difficulties in manufacturing.
  • the safety of the capacitor during use (such as fire protection) is improved, and the manufacturing cost of the product is also reduced.
  • the present invention is achieved as follows:
  • a high-security metal-shell capacitor comprising a capacitor housing, the housing being provided with a capacitor core; comprising: a metal sheet cover corresponding to a shape of an opening at an upper end of the capacitor housing, the cover plate being provided with a cable lead-out hole; the cover plate being fixedly disposed at an opening of the upper end of the capacitor housing Between the positioning mechanism and the beading structure at the upper end of the capacitor housing; the cable connecting the capacitor core passes through the cable lead-out hole on the cover and extends outward.
  • the high-security metal-shell capacitor is characterized in that the lower end of the edge of the cover has a chamfer.
  • the high-safety metal casing capacitor is characterized in that the lower edge of the cable lead-out hole of the cover plate has a chamfered hole.
  • the high-safety metal casing capacitor is characterized in that: the cover plate further extends a lead-out pipe communicating with the cable lead-out hole; the cable connecting the capacitor core passes through the cable lead-out hole on the cover plate and is led out The tube extends outward.
  • the high-safety metal casing capacitor is characterized in that the extraction pipe is formed with a pressing groove.
  • the high-safety metal casing capacitor is characterized in that the positioning mechanism is a convex portion in the casing of the annular groove provided at the upper end of the capacitor casing.
  • the high-safety metal casing capacitor is characterized in that: the inner wall of the casing is lined with a plastic positioning sleeve, and an insulating filler is filled between the casing and the capacitor core.
  • the present invention has the following superior technical effects:
  • the invention is an all-metal (such as all-aluminum) package structure, and the product has high safety.
  • the invention can make the structure of the capacitor more compact, and effectively reduce the height and volume of the capacitor.
  • the aluminum cover plate for the capacitor of the invention has a greatly reduced amount of aluminum material, thereby reducing the manufacturing cost of the product.
  • Fig. 1 is a view showing the appearance of a first embodiment of the present invention.
  • Figure 2 is a schematic view showing the structure of a casing in Embodiment 1 of the present invention.
  • Figure 3 is a front structural view of a cover plate in Embodiment 1 of the present invention.
  • Figure 4 is a front cross-sectional view showing a cover plate in Embodiment 1 of the present invention.
  • Fig. 5 is a view showing the appearance of a second embodiment of the present invention.
  • Figure 6 is a front cross-sectional view showing a second embodiment of the present invention.
  • FIG. 1-4 is a schematic structural view of Embodiment 1 of a high-safety metal casing capacitor of the present invention.
  • it comprises a capacitor housing 1 in which a capacitor core 20 is disposed; and a metal sheet-like cover 8 corresponding to the shape of the opening at the upper end of the capacitor housing 1, the cover 8 being A cable lead-out hole 12 is provided; the cover tube 8 further extends a lead-out tube 16 communicating with the cable lead-out hole 12; the cable 9 connecting the capacitor core 20 passes through the cable lead-out hole 12 on the cover 8 and is led out The tube 16 extends outwardly.
  • the cover plate 8 is fixedly disposed between the positioning mechanism at the opening of the upper end of the capacitor case 1 and the beading structure at the opening of the upper end of the capacitor case 1.
  • the positioning mechanism is a convex portion in the housing of the annular groove 11 provided at the upper end of the capacitor housing 1.
  • the lower end of the edge of the cover plate 8 has a rim chamfer 14.
  • the lower edge of the cable lead-out hole 12 of the cover 8 has a hole chamfering 13.
  • the take-up tube 16 is formed with a pressing groove 11.
  • the inner wall of the casing 1 is lined with a plastic positioning sleeve 22, in the housing 1 and the capacitor
  • the insulating core 21 is filled between the cores 20.
  • the capacitor case, the cover, and the like are all metal materials (for example, aluminum).
  • FIG. 5 it is a schematic structural view of a high security metal casing capacitor of Embodiment 2 of the present invention.
  • it includes a capacitor case 1 in which a capacitor core 20 is disposed, and a sheet-like cover 8 corresponding to the shape of the opening at the upper end of the capacitor case 1, which is disposed on the cover plate 8.
  • the cover plate 8 is fixedly disposed between the positioning mechanism at the opening of the upper end of the capacitor case 1 and the beading structure at the opening of the upper end of the capacitor case 1.
  • the positioning mechanism is a convex portion in the housing of the annular groove 11 provided at the upper end of the capacitor housing 1.
  • the lower end of the edge of the cover plate 8 has a rim chamfer 14.
  • the lower edge of the cable lead-out hole 12 of the cover 8 has a hole chamfering 13.
  • the inner wall of the casing 1 is lined with a plastic positioning sleeve 22, and an insulating filler 21 is filled between the casing 1 and the capacitor core 20.
  • the capacitor case, the cover, and the like are all metal materials (for example, aluminum).

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Fixed Capacitors And Capacitor Manufacturing Machines (AREA)

Abstract

A high-safety capacitor provided with a metal housing. The capacitor comprises a capacitor metal housing (1). A capacitor core (20) is disposed in the housing (1). The capacitor is characterized by comprising a metal sheet-shaped cover plate (8) corresponding to the shape at an opening at an upper end of the capacitor housing (1). A cable leadout hole (12) is formed in the cover plate (8). The cover plate (8) is fixedly disposed between a positioning mechanism at the opening at the upper end of the capacitor housing (1) and a curled-edge structure at the opening of the upper end of the capacitor housing (1). A cable (9) connected to the capacitor core (20) penetrates through a cable leadout hole (12) in the cover plate (8), and extends outwards. The high-safety capacitor can make a structure of a capacitor more compact, effectively reduces the height and the volume of the capacitor, and improves the safety in the use of the capacitor.

Description

一种高安全性的金属外壳电容器A high security metal casing capacitor 技术领域Technical field
本发明涉及电容器，特别是一种高安全性的金属外壳电容器。This invention relates to capacitors, and more particularly to a highly safe metal casing capacitor.
背景技术Background technique
现有电缆线引出电容器多采用这样的结构：在电容器铝制壳体上端罩设一个铝防护帽，该铝防护帽是一上端具有水平盖板的筒状体，该水平盖板上具有电缆线引出孔用于引出连接电极片的电缆线。当然，该水平盖板上还可进一步延伸与电缆线引出孔连通的引出管。但是，上述结构存在如下缺陷：The existing cable lead-out capacitor adopts a structure in which an aluminum protective cap is disposed on the upper end of the capacitor aluminum casing, and the aluminum protective cap is a cylindrical body having a horizontal cover plate at the upper end, and the horizontal cover plate has a cable line. The lead-out hole is used to lead the cable connecting the electrode sheets. Of course, the horizontal cover can further extend the lead-out pipe that communicates with the cable lead-out hole. However, the above structure has the following drawbacks:
1、由于铝防护帽是具有一定高度的，因此造成了电容器的高度和体积都有所增加。1. Since the aluminum protective cap has a certain height, the height and volume of the capacitor are increased.
2、铝防护帽的铝材使用量相对较大，增加了产品的制造成本。2. The aluminum used in the aluminum protective cap is relatively large, which increases the manufacturing cost of the product.
3、铝防护帽在罩设到电容器铝制壳体上，由于铝防护帽的水平盖板与铝制壳体连接部之间尚有较大空间，不但造成了产品结构不紧凑，而且增加了生产制造中的难度。3. The aluminum protective cap is placed on the aluminum casing of the capacitor. Because there is still a large space between the horizontal cover of the aluminum protective cap and the connection part of the aluminum casing, the product structure is not compact and the number of the product is increased. Difficulties in manufacturing.
发明内容Summary of the invention
本发明的目的在于提供一种高安全性的金属外壳电容器，主要解决上述现有技术所存在的缺陷，它能使电容器的结构更加紧凑，有效降低了电容器的高度和体积。同时由于采用全金属材料封装结构，提升了电容器使用过程中的安全性(如防火)，同时还降低了产品的制造成本。SUMMARY OF THE INVENTION It is an object of the present invention to provide a metal housing capacitor of high safety, which mainly solves the above-mentioned drawbacks of the prior art, which can make the structure of the capacitor more compact and effectively reduce the height and volume of the capacitor. At the same time, due to the use of a full metal material packaging structure, the safety of the capacitor during use (such as fire protection) is improved, and the manufacturing cost of the product is also reduced.
为实现上述目的，本发明是这样实现的：To achieve the above object, the present invention is achieved as follows:
一种高安全性的金属外壳电容器，它包括电容器壳体，该壳体内设置有 电容器芯子；其特征在于：包括一对应于电容器壳体上端开口处形状的金属片状盖板，该盖板上设置有电缆线引出孔；该盖板固定设置在电容器壳体上端开口处的定位机构和电容器壳体上端开口处的卷边结构之间；连接电容器芯子的电缆线穿过盖板上的电缆线引出孔并向外延伸。A high-security metal-shell capacitor comprising a capacitor housing, the housing being provided with a capacitor core; comprising: a metal sheet cover corresponding to a shape of an opening at an upper end of the capacitor housing, the cover plate being provided with a cable lead-out hole; the cover plate being fixedly disposed at an opening of the upper end of the capacitor housing Between the positioning mechanism and the beading structure at the upper end of the capacitor housing; the cable connecting the capacitor core passes through the cable lead-out hole on the cover and extends outward.
所述的高安全性的金属外壳电容器，其特征在于：该盖板的边沿下端具有边沿倒角。The high-security metal-shell capacitor is characterized in that the lower end of the edge of the cover has a chamfer.
所述的高安全性的金属外壳电容器，其特征在于：该盖板的电缆线引出孔下沿具有孔倒角。The high-safety metal casing capacitor is characterized in that the lower edge of the cable lead-out hole of the cover plate has a chamfered hole.
所述的高安全性的金属外壳电容器，其特征在于：该盖板上进一步延伸与电缆线引出孔连通的引出管；连接电容器芯子的电缆线穿过盖板上的电缆线引出孔和引出管并向外延伸。The high-safety metal casing capacitor is characterized in that: the cover plate further extends a lead-out pipe communicating with the cable lead-out hole; the cable connecting the capacitor core passes through the cable lead-out hole on the cover plate and is led out The tube extends outward.
所述的高安全性的金属外壳电容器，其特征在于：该引出管上加工有挤压槽。The high-safety metal casing capacitor is characterized in that the extraction pipe is formed with a pressing groove.
所述的高安全性的金属外壳电容器，其特征在于：该定位机构是电容器壳体上端设置的环形槽的壳体内凸部分。The high-safety metal casing capacitor is characterized in that the positioning mechanism is a convex portion in the casing of the annular groove provided at the upper end of the capacitor casing.
所述的高安全性的金属外壳电容器，其特征在于：该壳体内壁衬设有塑料定位套，在壳体和电容器芯子之间填充有绝缘填充料。The high-safety metal casing capacitor is characterized in that: the inner wall of the casing is lined with a plastic positioning sleeve, and an insulating filler is filled between the casing and the capacitor core.
藉由上述结构，本发明具有如下优越的技术效果：With the above structure, the present invention has the following superior technical effects:
1、本发明为全金属(如全铝)封装结构，产品安全性高。1. The invention is an all-metal (such as all-aluminum) package structure, and the product has high safety.
2、本发明能使电容器的结构更加紧凑，有效降低了电容器的高度和体积。2. The invention can make the structure of the capacitor more compact, and effectively reduce the height and volume of the capacitor.
3、本发明电容器用铝盖板与现有铝制安全帽相比，铝材用量大大降低，因而降低了产品的制造成本。 3. Compared with the existing aluminum helmet, the aluminum cover plate for the capacitor of the invention has a greatly reduced amount of aluminum material, thereby reducing the manufacturing cost of the product.
附图说明DRAWINGS
图1是本发明实施例1的外观结构图。Fig. 1 is a view showing the appearance of a first embodiment of the present invention.
图2是本发明实施例1中壳体的结构示意图。Figure 2 is a schematic view showing the structure of a casing in Embodiment 1 of the present invention.
图3是本发明实施例1中盖板的正面结构图。Figure 3 is a front structural view of a cover plate in Embodiment 1 of the present invention.
图4是本发明实施例1中盖板的正面剖视图。Figure 4 is a front cross-sectional view showing a cover plate in Embodiment 1 of the present invention.
图5是本发明实施例2的外观结构图。Fig. 5 is a view showing the appearance of a second embodiment of the present invention.
图6是本发明实施例2的正面剖视图。Figure 6 is a front cross-sectional view showing a second embodiment of the present invention.
图中：1-壳体；2-壳底；4-环形槽；8-盖板；9-电缆线；11-挤压槽；12-电缆线引出孔；13-孔倒角；14-边沿倒角；16-引出管；20-电容器芯子；21-绝缘填充料；22-塑料定位套。In the figure: 1-shell; 2-shell bottom; 4-annular groove; 8-cover; 9-cable; 11-squeeze slot; 12-cable lead-out; 13-hole chamfer; 14-edge Chamfer; 16-lead tube; 20-capacitor core; 21-insulating filler; 22-plastic positioning sleeve.
具体实施方式detailed description
请参阅图1-4，它是本发明一种高安全性的金属外壳电容器实施例1的结构示意图。如图所示：它包括电容器壳体1，该壳体1内设置有电容器芯子20；还包括一对应于电容器壳体1上端开口处形状的金属片状盖板8，该盖板8上设置有电缆线引出孔12；该盖板8上进一步延伸与电缆线引出孔12连通的引出管16；连接电容器芯子20的电缆线9穿过盖板8上的电缆线引出孔12和引出管16并向外延伸。该盖板8固定设置在电容器壳体1上端开口处的定位机构和电容器壳体1上端开口处的卷边结构之间。本发明中，该定位机构是电容器壳体1上端设置的环形槽11的壳体内凸部分。该盖板8的边沿下端具有边沿倒角14。该盖板8的电缆线引出孔12下沿具有孔倒角13。为了防止电缆线9在电缆线引出孔12和引出管16中窜动，该引出管16上加工有挤压槽11。另外，该壳体1内壁衬设有塑料定位套22，在壳体1和电容 器芯子20之间填充有绝缘填充料21。上述电容器壳体、盖板等均为金属材料(如：铝)。Please refer to FIG. 1-4, which is a schematic structural view of Embodiment 1 of a high-safety metal casing capacitor of the present invention. As shown in the figure: it comprises a capacitor housing 1 in which a capacitor core 20 is disposed; and a metal sheet-like cover 8 corresponding to the shape of the opening at the upper end of the capacitor housing 1, the cover 8 being A cable lead-out hole 12 is provided; the cover tube 8 further extends a lead-out tube 16 communicating with the cable lead-out hole 12; the cable 9 connecting the capacitor core 20 passes through the cable lead-out hole 12 on the cover 8 and is led out The tube 16 extends outwardly. The cover plate 8 is fixedly disposed between the positioning mechanism at the opening of the upper end of the capacitor case 1 and the beading structure at the opening of the upper end of the capacitor case 1. In the present invention, the positioning mechanism is a convex portion in the housing of the annular groove 11 provided at the upper end of the capacitor housing 1. The lower end of the edge of the cover plate 8 has a rim chamfer 14. The lower edge of the cable lead-out hole 12 of the cover 8 has a hole chamfering 13. In order to prevent the cable 9 from swaying in the cable take-up hole 12 and the lead-out tube 16, the take-up tube 16 is formed with a pressing groove 11. In addition, the inner wall of the casing 1 is lined with a plastic positioning sleeve 22, in the housing 1 and the capacitor The insulating core 21 is filled between the cores 20. The capacitor case, the cover, and the like are all metal materials (for example, aluminum).
再请参阅图5、6，它是本发明一种高安全性的金属外壳电容器实施例2的结构示意图。如图所示：它包括电容器壳体1，该壳体1内设置有电容器芯子20；还包括一对应于电容器壳体1上端开口处形状的片状盖板8，该盖板8上设置有电缆线引出孔12；连接电容器芯子20的电缆线9穿过盖板8上的电缆线引出孔12并向外延伸。该盖板8固定设置在电容器壳体1上端开口处的定位机构和电容器壳体1上端开口处的卷边结构之间。本发明中，该定位机构是电容器壳体1上端设置的环形槽11的壳体内凸部分。该盖板8的边沿下端具有边沿倒角14。该盖板8的电缆线引出孔12下沿具有孔倒角13。另外，该壳体1内壁衬设有塑料定位套22，在壳体1和电容器芯子20之间填充有绝缘填充料21。上述电容器壳体、盖板等均为金属材料(如：铝)。Referring again to Figures 5 and 6, it is a schematic structural view of a high security metal casing capacitor of Embodiment 2 of the present invention. As shown, it includes a capacitor case 1 in which a capacitor core 20 is disposed, and a sheet-like cover 8 corresponding to the shape of the opening at the upper end of the capacitor case 1, which is disposed on the cover plate 8. There is a cable take-up opening 12; the cable 9 connecting the capacitor core 20 passes through the cable take-up opening 12 in the cover 8 and extends outward. The cover plate 8 is fixedly disposed between the positioning mechanism at the opening of the upper end of the capacitor case 1 and the beading structure at the opening of the upper end of the capacitor case 1. In the present invention, the positioning mechanism is a convex portion in the housing of the annular groove 11 provided at the upper end of the capacitor housing 1. The lower end of the edge of the cover plate 8 has a rim chamfer 14. The lower edge of the cable lead-out hole 12 of the cover 8 has a hole chamfering 13. In addition, the inner wall of the casing 1 is lined with a plastic positioning sleeve 22, and an insulating filler 21 is filled between the casing 1 and the capacitor core 20. The capacitor case, the cover, and the like are all metal materials (for example, aluminum).
综上所述仅为本发明的较佳实施例而已，并非用来限定本发明的实施范围。即凡依本发明申请专利范围的内容所作的等效变化与修饰，都应为本发明的技术范畴。 The above is only the preferred embodiment of the present invention and is not intended to limit the scope of the present invention. That is, the equivalent changes and modifications made by the content of the patent application scope of the present invention should be the technical scope of the present invention.

Claims (7)

  1. 一种高安全性的金属外壳电容器，它包括电容器壳体(1)，该壳体(1)内设置有电容器芯子(20)其特征在于：包括一对应于电容器壳体(1)上端开口处形状的金属片状盖板(8)，该盖板(8)上设置有电缆线引出孔(12)；该盖板(8)固定设置在电容器壳体(1)上端开口处的定位机构和电容器壳体(1)上端开口处的卷边结构之间；连接电容器芯子(20)的电缆线(9)穿过盖板(8)上的电缆线引出孔(12)并向外延伸。A high-safety metal-shell capacitor comprising a capacitor housing (1), the capacitor (20) being provided in the housing (1), characterized in that it comprises an opening corresponding to an upper end of the capacitor housing (1) a metal sheet cover (8) having a shape, wherein the cover plate (8) is provided with a cable lead-out hole (12); the cover plate (8) is fixedly disposed at a position of an opening at an upper end of the capacitor case (1) Between the crimping structure at the upper end opening of the capacitor housing (1); the cable (9) connecting the capacitor core (20) passes through the cable lead-out hole (12) on the cover (8) and extends outward .
  2. 根据权利要求1所述的高安全性的金属外壳电容器，其特征在于：该盖板(8)的边沿下端具有边沿倒角(14)。The high-safety metal casing capacitor according to claim 1, characterized in that the lower end of the edge of the cover (8) has a chamfer (14).
  3. 根据权利要求1所述的高安全性的金属外壳电容器，其特征在于：该盖板(8)的电缆线引出孔(12)下沿具有孔倒角(13)。The high-safety metal-clad capacitor according to claim 1, characterized in that the lower edge of the cable lead-out hole (12) of the cover (8) has a hole chamfer (13).
  4. 根据权利要求1或2或3所述的高安全性的金属外壳电容器，其特征在于：该盖板(8)上进一步延伸与电缆线引出孔(12)连通的引出管(16)；连接电容器芯子(20)的电缆线(9)穿过盖板(8)上的电缆线引出孔(12)和引出管(16)并向外延伸。The high-safety metal-clad capacitor according to claim 1 or 2 or 3, wherein the cover (8) further extends a lead-out tube (16) that communicates with the cable lead-out hole (12); The cable (9) of the core (20) passes through the cable take-up hole (12) and the take-up tube (16) on the cover (8) and extends outward.
  5. 根据权利要求4所述的高安全性的金属外壳电容器，其特征在于：该引出管(16)上加工有挤压槽(11)。The high-safety metal-shell capacitor according to claim 4, characterized in that the extraction tube (16) is formed with a pressing groove (11).
  6. 根据权利要求1或2或3所述的高安全性的金属外壳电容器，其特征在于：该定位机构是电容器壳体(1)上端设置的环形槽(4)的壳体内凸部分。A high-safety metal-clad capacitor according to claim 1 or 2 or 3, characterized in that the positioning means is a convex portion of the casing of the annular groove (4) provided at the upper end of the capacitor casing (1).
  7. 根据权利要求1或2或3所述的高安全性的金属外壳电容器，其特征在于：该壳体(1)内壁衬设有塑料定位套(22)，在壳体(1)和电容器芯子(20)之间填充有绝缘填充料(21)。 The high-safety metal casing capacitor according to claim 1 or 2 or 3, characterized in that the inner wall of the casing (1) is lined with a plastic positioning sleeve (22), in the casing (1) and the capacitor core (20) is filled with an insulating filler (21).
PCT/CN2016/000520 2015-09-22 2016-09-18 High-safety capacitor provided with metal housing WO2017049812A1 (en)

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CN201520739365.6U CN205319030U (en) 2015-09-22 2015-09-22 Metal casing condenser of high security

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