WO2013102286A1 - Vacuum breaker with closing holding device - Google Patents
Vacuum breaker with closing holding device Download PDFInfo
- Publication number
- WO2013102286A1 WO2013102286A1 PCT/CN2012/000706 CN2012000706W WO2013102286A1 WO 2013102286 A1 WO2013102286 A1 WO 2013102286A1 CN 2012000706 W CN2012000706 W CN 2012000706W WO 2013102286 A1 WO2013102286 A1 WO 2013102286A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- closing
- contact
- movable
- holding
- closing holding
- Prior art date
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Classifications
-
- 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
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/666—Operating arrangements
Definitions
- the invention relates to a vacuum circuit breaker, in particular to a vacuum circuit breaker with a closing device, belonging to the technical field of vacuum circuit breakers. Background technique
- a vacuum circuit breaker with a closing and holding device comprising a closing holding tweezers, a moving conductive rod, an isolating switch moving contact, a closing holding unlocking block, a breaking spring, a moving contact, a static contact, a housing;
- the housing is provided with a hollow cavity;
- the opening spring is sleeved on the movable conductive rod and disposed in the middle of the cavity of the housing;
- the head is coupled to the top rod of the upper portion of the movable conductive rod;
- the static contact is fixed at the top of the cavity and spaced apart from the movable contact;
- the closing and holding the pair of the pair is disposed in the lower part of the movable conductive rod a compression spring is disposed between the lower end side of the closing and retaining forceps and the inner wall of the cavity;
- the middle portion of the closing and holding tweezers is provided
- the movable conductive rod and the isolating switch moving contact are electrically connected through the upper electrical conductor.
- a conductive spring is disposed between the isolating switch moving contact and the upper electrical conductor.
- Figure 1 is a partial cross-sectional view showing a vacuum circuit breaker with a closing device according to the present invention
- FIG. 1 is a vacuum circuit breaker with a closing and holding device according to the present invention, including a closing and holding tweezers 1, a movable conductive rod 3, an isolating switch moving contact 4, a closing and holding unlocking block 5, and a minute a brake spring 6, a movable contact 7, a static contact 8, and a housing 9;
- the housing 9 is provided with a hollow cavity;
- the opening spring 6 is sleeved on the movable conductive rod 3, and is disposed on the shell body a middle portion of the cavity;
- the movable contact 7 is coupled to the top rod of the upper portion of the movable conductive rod 6;
- the static contact 8 is fixed at the top of the cavity and spaced apart from the movable contact 7;
- a brake holding pair 1 is disposed in a lower portion of the movable conductive rod 3;
- a pressure spring 2 is disposed between the lower end side portion of the closing holding rafter 7 and the inner wall of the cavity; the closing
- the invention has the beneficial effects that the vacuum circuit breaker with the closing device of the invention has the self-contained closing device and is easy to handle; the invention has simple and practical structure.
- the above embodiments are only intended to illustrate the technical concept and the features of the present invention, and the purpose of the present invention is to enable those skilled in the art to understand the contents of the present invention and not to limit the scope of the present invention. Equivalent changes or modifications made in substantial form are intended to be included within the scope of the invention.
Landscapes
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
A vacuum breaker with a closing holding device is provided. A hollow cavity is formed in a housing (9); switch-off springs (6) are sleeved on a movable conducting pole (3), and arranged in the middle of the cavity in the housing; a movable contact (7) is connected together with a top rod on the upper portion of the movable conducting pole; a static contact (8) is fixed at the top of the cavity and is separated from the movable contact; closing holding pawls (1) are arranged on the lower portion of the movable conducting pole in pairs; pressure springs (2) are arranged between lateral portions of the lower ends of the closing holding pawls and the inner wall of the cavity; protrusions are arranged at the middle parts of the closing holding pawls and clamped at the bottom of the movable conducting pole exactly when the movable contact and the static contact are in contact; inclined planes are arranged at the lower parts of the closing holding pawls; the inclined planes of one pair of closing holding pawls form an erect V-shaped structure; a closing holding unlocking block (5) is arranged in the V-shaped structure; and an isolating switch movable contact (4) is arranged at the lower part of the closing holding unlocking block so as to push the closing holding unlocking block to perform up-and-down motion. The vacuum circuit breaker with the closing holding device is convenient to control.
Description
一种真空断路器合闸保持装置 技术领域 Vacuum circuit breaker closing and holding device
本发明涉及一种真空断路器,特别是一种带合闸保持装置的真空 断路器, 属于真空断路器技术领域。 背景技术 The invention relates to a vacuum circuit breaker, in particular to a vacuum circuit breaker with a closing device, belonging to the technical field of vacuum circuit breakers. Background technique
目前, 现有的真空断路器合闸后, 动触头与静触头相互接触, 为 保持这种接触状态, 需要附加的结构使得动触头保持合闸状态。这种 结构的真空断路器, 使用不方便。 发明内容 At present, after the existing vacuum circuit breaker is closed, the moving contact and the static contact are in contact with each other. In order to maintain the contact state, an additional structure is required to keep the moving contact in a closed state. The vacuum circuit breaker of this structure is inconvenient to use. Summary of the invention
本发明的目的在于提供一种带合闸保持装置的真空断路器。 本发明是通过以下技术方案来实现的:一种带合闸保持装置的真 空断路器, 包含合闸保持挚子、 动导电杆、 隔离开关动触头、 合闸保 持解锁块、 分闸弹簧、 动触头、 静触头、 壳体; 所述壳体上设置有中 空的空腔;所述分闸弹簧套设在动导电杆上, 并设置在壳体的空腔中 部; 所述动触头与动导电杆上部的顶杆连接在一起; 所述静触头固定 在空腔的顶部, 且与动触头间隔设置; 所述合闸保持挚子成对的设置 在动导电杆的下部;所述合闸保持挚子的下端侧部与空腔内壁之间设 置有压簧;所述合闸保持挚子的中部设置有凸起, 所述凸起在使动触 头与静触头保持接触时, 刚好卡住动导电杆的底部; 所述合闸保持挚 子的下部设置有斜面;所述一对合闸保持挚子的斜面形成一个正立的
V型; 所述合闹保持解锁块设置在 v型内部; 所述隔离开关动触头设 置在合闸保持解锁块的下部, 可推动合闸保持解锁块的上下运动。 It is an object of the present invention to provide a vacuum circuit breaker with a closing and holding device. The invention is realized by the following technical solutions: a vacuum circuit breaker with a closing and holding device, comprising a closing holding tweezers, a moving conductive rod, an isolating switch moving contact, a closing holding unlocking block, a breaking spring, a moving contact, a static contact, a housing; the housing is provided with a hollow cavity; the opening spring is sleeved on the movable conductive rod and disposed in the middle of the cavity of the housing; The head is coupled to the top rod of the upper portion of the movable conductive rod; the static contact is fixed at the top of the cavity and spaced apart from the movable contact; the closing and holding the pair of the pair is disposed in the lower part of the movable conductive rod a compression spring is disposed between the lower end side of the closing and retaining forceps and the inner wall of the cavity; the middle portion of the closing and holding tweezers is provided with a protrusion, and the protrusion is used to make the movable contact and the static contact When the contact is kept, the bottom of the movable conductive rod is just caught; the lower portion of the closing holding tweezers is provided with a slope; the pair of closings maintains the inclined surface of the tweezers to form an upright V-shaped; the hoisting and retaining unlocking block is disposed inside the v-shaped; the isolating switch moving contact is disposed at a lower portion of the closing and holding unlocking block, and can push the closing to maintain the up-and-down movement of the unlocking block.
优选的,所述动导电杆与隔离开关动触头通过上导电体实现电连 接。 Preferably, the movable conductive rod and the isolating switch moving contact are electrically connected through the upper electrical conductor.
优选的, 所述隔离开关动触头与上导电体之间设置有导电弹簧。 本发明的有益效果体现在:本发明所述的带合闸保持装置的真空 断路器, 自带合闸保持装置, 操控方便; 本发明结构简单, 实用。 附图说明 Preferably, a conductive spring is disposed between the isolating switch moving contact and the upper electrical conductor. The invention has the beneficial effects that the vacuum circuit breaker with the closing device of the invention has the self-contained closing device and is easy to handle; the invention has the advantages of simple structure and practicality. DRAWINGS
下面结合附图对本发明技术方案作进一步说明: The technical solution of the present invention is further described below with reference to the accompanying drawings:
图 1 为本发明所述的带合闸保持装置的真空断路器的局部剖视 图; Figure 1 is a partial cross-sectional view showing a vacuum circuit breaker with a closing device according to the present invention;
其中: 1、 合闸保持挚子; 2、 压簧; 3、 动导电杆; 4、 隔离开关 动触头; 5、合闸保持解锁块; 6、 分闸弹簧; 7、动触头; 8、静触头; 9、 壳体; 10、 上导电体。 具体实施方式 Among them: 1, closing the scorpion; 2, compression spring; 3, moving conductive rod; 4, isolating switch moving contact; 5, closing to keep unlocking block; 6, opening spring; 7, moving contact; , static contact; 9, the housing; 10, the upper conductor. detailed description
下面结合附图来说明本发明。 The invention will now be described with reference to the accompanying drawings.
如附图 1所示为本发明的一种带合闸保持装置的真空断路器,包 含合闸保持挚子 1、 动导电杆 3、 隔离开关动触头 4、 合闸保持解锁 块 5、 分闸弹簧 6、 动触头 7、 静触头 8、 壳体 9; 所述壳体 9上设置 有中空的空腔; 所述分闸弹簧 6套设在动导电杆 3上, 并设置在壳体
9的空腔中部; 所述动触头 7与动导电杆 6上部的顶杆连接在一起; 所述静触头 8固定在空腔的顶部, 且与动触头 7间隔设置; 所述合闸 保持挚子 1成对的设置在动导电杆 3的下部;所述合闸保持挚子 7的 下端侧部与空腔内壁之间设置有压簧 2; 所述合闸保持挚子 7的中部 设置有凸起 (未标出), 所述凸起在使动触头 7与静触头 8保持接触 时, 刚好卡住动导电杆 3的底部; 所述合闸保持挚子 1的下部设置有 斜面 (未标出); 所述一对合闸保持挚子 1 的斜面形成一个正立的 V 型; 所述合闸保持解锁块 5设置在 V型内部; 所述隔离开关动触头 4 设置在合闸保持解锁块 5的下部,可推动合闸保持解锁块 5的上下运 动; 所述动导电杆 3与隔离开关动触头 4通过上导电体 10实现电连 接; 所述隔离开关动触头 4与上导电体 10之间设置有导电弹簧 6。 FIG. 1 is a vacuum circuit breaker with a closing and holding device according to the present invention, including a closing and holding tweezers 1, a movable conductive rod 3, an isolating switch moving contact 4, a closing and holding unlocking block 5, and a minute a brake spring 6, a movable contact 7, a static contact 8, and a housing 9; the housing 9 is provided with a hollow cavity; the opening spring 6 is sleeved on the movable conductive rod 3, and is disposed on the shell body a middle portion of the cavity; the movable contact 7 is coupled to the top rod of the upper portion of the movable conductive rod 6; the static contact 8 is fixed at the top of the cavity and spaced apart from the movable contact 7; a brake holding pair 1 is disposed in a lower portion of the movable conductive rod 3; a pressure spring 2 is disposed between the lower end side portion of the closing holding rafter 7 and the inner wall of the cavity; the closing holds the rafter 7 The middle portion is provided with a protrusion (not shown) which, when the moving contact 7 is kept in contact with the fixed contact 8, just catches the bottom of the movable conductive rod 3; the closing holds the lower portion of the dice 1 a beveled surface (not shown) is provided; the pair of closing retaining jaws 1 form an upright V-shaped; the closing holding unlocking block 5 is disposed inside the V-shaped; the isolating switch moving contact 4 is disposed at a lower portion of the closing and holding unlocking block 5, and can push the closing and holding movement of the unlocking block 5; the movable conductive rod 3 and the isolating switch moving contact 4 are electrically connected through the upper electric conductor 10; A conductive spring 6 is disposed between the movable contact 4 and the upper electrical conductor 10.
本发明方案的工作过程: The working process of the solution of the invention:
当隔离开关动触头 4向上运动时, 接触并推动动导电杆 3上升, 使得真空断路器动触头 7与静触头 8接触,此时合闸保持挚子 1在压 簧 2的作用下向内转动并使其凸起卡在动导电杆 3下部端面,实现了 合闸并保持合闸状态。 When the movable switch 4 of the isolating switch is moved upward, the movable conductive rod 3 is contacted and pushed up, so that the movable contact 7 of the vacuum circuit breaker is in contact with the static contact 8, and the closing of the movable clamp 1 is under the action of the compression spring 2 Rotating inward and causing the projection to be caught on the lower end surface of the movable conductive rod 3 achieves closing and maintaining the closing state.
当隔离开关动触头 4向下运动时,安装并固定在隔离开关动触头 上端部的合闸保持解锁块 5, 通过斜面接触将合闸保持挚子 1顶开, 动导电杆 3在合闸保持挚子 1打开后, 在分闸弹簧 6力作用下, 带动 真空断路器动触头 7脱开静触头 8。 When the isolating switch moving contact 4 moves downward, the closing and unlocking block 5 is installed and fixed on the upper end of the movable switch of the isolating switch, and the closing and holding of the dice 1 is opened by the inclined contact, and the movable conductive rod 3 is closed. After the gate keeps the dice 1 open, under the action of the opening spring 6, the movable contact 7 of the vacuum circuit breaker is driven to disengage the static contact 8.
本发明的有益效果体现在:本发明所述的带合闸保持装置的真空 断路器, 自带合闸保持装置, 操控方便; 本发明结构简单, 实用。
上述实施例只为说明本发明的技术构思及特点,其目的在于让熟 悉此项技术的人士能够了解本发明的内容并加以实施,并不能以此限 制本发明的保护范围, 凡根据本发明精神实质所作的等效变化或修 饰, 都应涵盖在本发明的保护范围内。
The invention has the beneficial effects that the vacuum circuit breaker with the closing device of the invention has the self-contained closing device and is easy to handle; the invention has simple and practical structure. The above embodiments are only intended to illustrate the technical concept and the features of the present invention, and the purpose of the present invention is to enable those skilled in the art to understand the contents of the present invention and not to limit the scope of the present invention. Equivalent changes or modifications made in substantial form are intended to be included within the scope of the invention.
Claims
1.一种带合闸保持装置的真空断路器, 其特征在于: 包含合闸保 持挚子、 动导电杆、 隔离开关动触头、 合闸保持解锁块、 分闸弹簧、 动触头、 静触头、 壳体; 所述壳体上设置有中空的空腔; 所述分闸弹 簧套设在动导电杆上, 并设置在壳体的空腔中部; 所述动触头与动导 电杆上部的顶杆连接在一起; 所述静触头固定在空腔的顶部, 且与动 触头间隔设置; 所述合闸保持挚子成对的设置在动导电杆的下部; 所 述合闸保持挚子的下端侧部与空腔内壁之间设置有压簧;所述合闸保 持挚子的中部设置有凸起, 所述凸起在使动触头与静触头保持接触 时,刚好卡住动导电杆的底部;所述合闸保持挚子的下部设置有斜面; 所述一对合闸保持挚子的斜面形成一个正立的 V型;所述合闸保持解 锁块设置在 V型内部;所述隔离开关动触头设置在合闸保持解锁块的 下部, 可推动合闸保持解锁块的上下运动。 A vacuum circuit breaker with a closing and holding device, comprising: a closing and holding tweezers, a moving conductive rod, an isolating switch moving contact, a closing and holding unlocking block, a closing spring, a moving contact, and a static The housing is provided with a hollow cavity; the opening spring is sleeved on the movable conductive rod and disposed in the middle of the cavity of the housing; the movable contact and the movable conductive rod The upper ejector rods are connected together; the static contact is fixed at the top of the cavity, and is spaced apart from the movable contact; the closing scorpion is disposed in pairs at a lower portion of the movable conductive rod; a pressure spring is disposed between the lower end side of the retaining dice and the inner wall of the cavity; the middle portion of the closing retaining dice is provided with a protrusion, and the protrusion is just when the moving contact is kept in contact with the static contact. Jamming the bottom of the movable conductive rod; the lower portion of the closing and holding tweezers is provided with a slope; the pair of closing and holding the inclined surface of the tweezers form an upright V-shape; the closing and holding unlocking block is set at V Internal type; the isolating switch moving contact is set to keep unlocking A lower, vertically holding the closing movement may push the unlocking block.
2.根据权利要求 1所述的带合闸保持装置的真空断路器,其特征 在于: 所述动导电杆与隔离开关动触头通过上导电体实现电连接。 The vacuum circuit breaker with a closing and holding device according to claim 1, wherein the movable conductive rod and the movable switch movable contact are electrically connected by an upper electrical conductor.
3.根据权利要求 2所述的带合闸保持装置的真空断路器,其特征 在于: 所述隔离开关动触头与上导电体之间设置有导电弹簧。 The vacuum circuit breaker with a closing device according to claim 2, wherein a conductive spring is disposed between the movable switch contact and the upper conductor.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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CN201220000476.1 | 2012-01-04 | ||
CN2012200004761U CN202454486U (en) | 2012-01-04 | 2012-01-04 | Vacuum breaker with closing retaining device |
CN201210000421.5 | 2012-01-04 | ||
CN201210000421.5A CN102543561B (en) | 2012-01-04 | 2012-01-04 | Closing holding device for vacuum circuit breaker |
Publications (1)
Publication Number | Publication Date |
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WO2013102286A1 true WO2013102286A1 (en) | 2013-07-11 |
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ID=48744959
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/CN2012/000706 WO2013102286A1 (en) | 2012-01-04 | 2012-05-21 | Vacuum breaker with closing holding device |
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WO (1) | WO2013102286A1 (en) |
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CN1848337A (en) * | 2006-04-17 | 2006-10-18 | 瓦房店高压开关有限公司 | High-pressure vacuum circuit breaker |
CN100583333C (en) * | 2007-11-01 | 2010-01-20 | 天水长城开关厂有限公司 | Spring operation mechanism for breaker |
CN102034651A (en) * | 2010-12-02 | 2011-04-27 | 天水长城开关厂有限公司 | Fully-integrated spring operating mechanism for high-voltage alternating-current circuit breaker |
CN201956268U (en) * | 2011-03-29 | 2011-08-31 | 贵州长征电器成套有限公司 | Indoor solid-sealed type high-voltage vacuum circuit breaker |
CN102290284A (en) * | 2011-08-04 | 2011-12-21 | 江苏维爱斯电器有限公司 | Novel vacuum switch tube |
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2012
- 2012-05-21 WO PCT/CN2012/000706 patent/WO2013102286A1/en active Application Filing
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CN1848337A (en) * | 2006-04-17 | 2006-10-18 | 瓦房店高压开关有限公司 | High-pressure vacuum circuit breaker |
CN100583333C (en) * | 2007-11-01 | 2010-01-20 | 天水长城开关厂有限公司 | Spring operation mechanism for breaker |
CN102034651A (en) * | 2010-12-02 | 2011-04-27 | 天水长城开关厂有限公司 | Fully-integrated spring operating mechanism for high-voltage alternating-current circuit breaker |
CN201956268U (en) * | 2011-03-29 | 2011-08-31 | 贵州长征电器成套有限公司 | Indoor solid-sealed type high-voltage vacuum circuit breaker |
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