WO2022141701A1 - 一种隔离辅助触点的隔离罩及继电器 - Google Patents
一种隔离辅助触点的隔离罩及继电器 Download PDFInfo
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- WO2022141701A1 WO2022141701A1 PCT/CN2021/073456 CN2021073456W WO2022141701A1 WO 2022141701 A1 WO2022141701 A1 WO 2022141701A1 CN 2021073456 W CN2021073456 W CN 2021073456W WO 2022141701 A1 WO2022141701 A1 WO 2022141701A1
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- auxiliary
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- plate
- contact plate
- movable contact
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- 230000007246 mechanism Effects 0.000 claims abstract description 15
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
- H01H9/34—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H45/00—Details of relays
- H01H45/02—Bases; Casings; Covers
Definitions
- the relay is an automatic control device with the function of using a small input current to control a large current output. When the input current reaches a certain value, it will trigger the work and make the output current change by leaps and bounds. It is mostly used for automatic mechanical and electrical integration. In the control system, it has the functions of simplifying the circuit structure, automatically converting the working mode of the circuit, and protecting or regulating the normal operation of the circuit, which can bring the system or equipment using the relay to ensure safe operation, reduce production costs and certain energy-saving effects.
- the common relays with auxiliary contacts in the market do not have any isolation measures between the main contacts and the auxiliary contacts. It will be sputtered on the auxiliary contacts, resulting in failure of the auxiliary contacts, which directly affects the working stability and sensitivity of electronic products.
- the purpose of the present invention is to provide an isolation cover and a relay for isolating auxiliary contacts.
- an isolation cover for isolating auxiliary contacts which is used to cover the outside of the auxiliary contacts to isolate them from the external structure, which includes a cylindrical and upper and lower Through the base (41), along the edge of the top inner wall of the base (41), a cover body (42) for covering the auxiliary contacts is formed upwardly, and the top plane of the cover body (42) is formed
- An arc blocking portion (45) in the form of a grid-shaped accommodation space is integrally extended upwards.
- the base (41) is in the shape of a rectangular parallelepiped, and a rectangular annular step (48) is formed along the inner edge of the top of the base, which protrudes upward along the inner edge of the step (48).
- Two inner hollows of the cover bodies (42) are formed, the cover bodies (42) are symmetrically arranged at both ends along the length direction of the base (41), and a cover body (42) is formed with a
- the baffle plate (421) not exceeding its depth, the two ends of the baffle plate (421) are respectively connected with the two long sides of the step (48), so that the inside of the cover body (42) is formed for An isolation groove (46) is covered above the auxiliary contact; two parallel connections are formed at the inner edge of the step (48) and used for bridging the two covers (42)
- the two ends (44) of each connecting part (44) are connected with the baffles (421) corresponding to the two cover bodies (42); the two oppositely arranged cover bodies (42)
- a square through hole (43) is formed between the two ba
- a relay at least comprises a shell (11) that can be fixedly connected in sequence and forms a hollow portion, a middle frame (13) and a magnetic conducting plate (12), characterized in that the said The interior of the housing (11) accommodates at least one group of main contact parts (20), and the magnetic conducting plate (12) is provided with a pushing mechanism (30) and at least one group of auxiliary contact parts (50), so that The isolation cover (40) is also fixed on the magnetic conductive plate (12) and is used to cover the auxiliary contact part (50) to isolate it from the main contact part (20), so The pushing mechanism (30) passes through the through hole (43) of the isolation cover (40).
- the auxiliary contact part (50) includes an auxiliary stationary contact (51) and an auxiliary movable contact (52) which are oppositely arranged up and down, the auxiliary stationary contact (51) and the auxiliary movable contact
- the points (52) can be in snap-fit contact; the auxiliary stationary contact (51) and the auxiliary movable contact (52) are respectively fixed on the auxiliary stationary contact support (512) and the auxiliary movable contact support arranged in parallel
- the other ends of the auxiliary stationary contact bracket (512) and the auxiliary movable contact bracket (522) are respectively connected to the auxiliary stationary contact lead-out end (511) and the auxiliary movable contact lead-out end (521) and penetrates from the bottom of the magnetic conducting plate (12) to the outside;
- the cover body (40) of the isolation cover (40) covers the auxiliary static contact (51) and the auxiliary moving contact (52) above, and the auxiliary stationary contact (51) and the auxiliary movable contact (52) are simultaneously accommodated in the isolation groove (46).
- the bottom is fixedly connected with the auxiliary moving contact plate (32); the active contact plate (31) is arranged above the isolation cover (40) and blocks the through hole (43) thereof, and the auxiliary moving contact plate (32) ) is arranged inside the isolation cover (40) and blocks its through hole (43); the push rod (36) moves upward to push the active contact plate (31) and the auxiliary moving contact plate (32) Move upward, so that the active contact plate (31) is in contact with the main stationary contact (21), and at the same time, the auxiliary moving contact plate (32) continues to move upward to push the The auxiliary movable contact (52) moves upward and contacts with the auxiliary stationary contact (51).
- the support frame (35) is integrally formed by a transverse plate and two longitudinal plates vertically formed above it, and the middle of the transverse plate is formed with a push rod (36) for the push rod (36).
- the contact plate (32) is in the shape of a rectangular plate, and the middle part of the lower surface of the contact plate (32) is concavely formed with a socket ( 322), the middle part of its upper surface protrudes upward to form a second bump (321) coaxially disposed with the shaft hole (351), and a limiter set around the second bump (321) is also formed a groove (323); a first bump (311) protrudes from the lower surface of the active contact plate (31) and at a position corresponding to the second bump (321) of the auxiliary moving contact plate
- the beneficial effect of the isolation cover for isolating auxiliary contacts and the relay of the present invention is that an isolation cover is provided on the upper part of the auxiliary contact part to isolate it from the main contact part, so as to ensure that the main contact part does not work during operation.
- the splashes generated during arc ablation will not be sputtered on the auxiliary contact parts, effectively isolating the splashes from the outside of the auxiliary contact parts and falling directly into the arc isolation part on the top of the isolation cover until they condense and fix, effectively guaranteeing
- the effective contact and stability of the auxiliary contact parts are ensured, and the arc blocking part can also play the function of cutting arc and enhancing arc extinguishing ability.
- FIG. 2 is a perspective view of another angle of an isolation cover for isolating auxiliary contacts in an embodiment.
- FIG. 3 is a longitudinal cross-sectional view of an isolation cover for isolating auxiliary contacts in FIG. 1 .
- FIG. 4 is a perspective view of an isolation cover for isolating auxiliary contacts in another embodiment.
- FIG. 5 is a three-dimensional schematic diagram of a relay in an embodiment.
- FIG. 6 is an exploded perspective view of the relay in one embodiment.
- FIG. 7 is a perspective view of the auxiliary contact member in FIG. 6 from another angle.
- FIG. 8 is a partial assembly relationship diagram of the isolation cover and the auxiliary contact part in one embodiment.
- FIG. 10 is an exploded schematic diagram of the front view of the pushing mechanism in FIG. 9 .
- FIG. 11 is a longitudinal cross-sectional view of the auxiliary movable contact plate in FIG. 10 .
- FIG. 12 is a schematic longitudinal cross-sectional view of a relay in an embodiment.
- FIG. 13 is an enlarged view of part A of FIG. 12 .
- an isolation cover for isolating the auxiliary contact which is used to cover the outside of the auxiliary contact to isolate it from the external structure, and includes a base 41 that is cylindrical and penetrates up and down. , along the edge of the top inner wall of the base 41, a cover body 42 for covering the auxiliary contacts is formed upward, and the top plane of the cover body 42 is integrally extended upward to form an arc-blocking portion 45 that is a grid-shaped accommodation space .
- the base 41 is in the shape of a rectangular parallelepiped, a rectangular annular step 48 is formed along the inner edge of its top, and two hollow covers 42 are formed upward along the inner edge of the step 48.
- the cover body 42 is symmetrically arranged at both ends along the length direction of the base 41, and a baffle plate 421 is formed inside the cover body 42 with a depth not exceeding its depth.
- the interior of the cover body 42 is formed with isolation grooves 46 for covering the auxiliary contacts, and each isolation groove 46 may correspond to a group of auxiliary contacts.
- the inner edge of the step 48 is also formed with two parallel connection parts 44 for bridging between the two cover bodies 42 , and both ends of each connection part 44 correspond to baffle plates corresponding to the two cover bodies 42 . 421 is connected.
- a square through hole 43 is formed between the two oppositely disposed cover bodies 42 .
- the two baffles 421 and the connecting portion 44 are connected end to end in a staggered sequence.
- a plurality of fixing positions 47 are formed at the bottom edge of the base 41 for fixed connection with the external structure.
- the isolation cover can be split into two separate bodies, and its main features are the same as the structure in the previous embodiment, as shown in the figure, it includes a substantially square And the inner empty base 41', one side wall of which is empty, forms a limit opening 49 running through its interior, which is used to form the avoidance of other components during installation, and protrudes upward along the edge of the top inner wall of the base 41'.
- a cover body 42' for covering the auxiliary contacts is formed, and the top plane of the cover body 42' is integrally extended upward to form an arc-blocking portion 45' in the form of a grid-shaped receiving space; It can correspond to a group of auxiliary contacts independently.
- the isolation cover can also form a plurality of cover bodies above the base, so that each cover body corresponds to a group of auxiliary contacts, the structure of the cover body remains unchanged, only the number of The increase or decrease is performed on the above, and will not be repeated here.
- a relay using the aforementioned isolation cover 40 at least includes a shell 11 that can be fixedly connected in sequence and forms a hollow portion, a middle frame 13 and a magnetic conductive plate 12. At least one group of main contact parts 20 is accommodated in the inside of the magnetic conductive plate 12, a pushing mechanism 30 and at least one group of auxiliary contact parts 50 are arranged on the magnetic conductive plate 12, and the magnetic conductive plate 12 is also fixed on the auxiliary contact parts. Above 50 to isolate the isolation cover 40 from the main contact part 20, the pushing mechanism 30 passes through the through hole 43 of the isolation cover 40.
- the auxiliary contact part 50 includes an auxiliary stationary contact 51 and an auxiliary movable contact 52 which are arranged opposite to each other.
- the auxiliary stationary contact 51 and the auxiliary movable contact 52 are respectively fixed on one end of the auxiliary stationary contact bracket 512 and the auxiliary movable contact bracket 522 arranged in parallel, and the other side of the auxiliary stationary contact bracket 512 and the auxiliary movable contact bracket 522 is arranged in parallel.
- One end is respectively connected to the leading end 511 of the auxiliary stationary contact and the leading end 521 of the auxiliary moving contact, and passes through the bottom of the magnetic conducting plate 12 to the outside.
- the cover body 40 of the isolation cover 40 is disposed above the auxiliary stationary contact 51 and the auxiliary movable contact 52 , and the auxiliary stationary contact 51 is accommodated in the isolation groove 46 .
- the stationary contacts 51 are in pressing contact with each other to make the auxiliary stationary contact support 512 abut against the baffle 421 , so that the mutually contacting auxiliary stationary contacts 51 and auxiliary movable contacts 52 are simultaneously accommodated in the isolation groove 46 .
- the bottom of the support frame 35 is arranged in parallel with the magnetic conductive plate 12 , and the active contact plate 31 and the auxiliary movable contact plate 32 are arranged in parallel in the support frame 35 .
- the auxiliary movable contact plate 32 is fixedly connected to the bottom of the support frame 35 , the top of the push rod 36 passes upward through the bottom of the support frame 35 and is fixedly connected to the auxiliary movable contact plate 32 .
- the auxiliary movable contact plate 32 , the support frame 35 and The push rod 36 is connected as an integral part, which is synchronized in the actual movement.
- the auxiliary movable contact plate 32 , the support frame 35 and the push rod 36 can be used as an integrally formed part according to the aforementioned connection method.
- the active contact plate 31 is arranged above the isolation cover 40 and covers the through holes 43 thereof, and the auxiliary moving contact plate 32 is arranged inside the isolation cover 40 and covers the through holes 43 thereof; the push rod 36 moves upward to push the active contact plate 31 and the auxiliary moving contact plate 32
- the movable contact plate 32 moves upward, firstly, the active contact plate 31 can be brought into contact with the main stationary contact 21 until it stops rising, and further, the auxiliary movable contact plate 32 continues to move upward to the auxiliary movable contact 52 on the auxiliary contact part 50 . Contradicting, further, the auxiliary movable contact 52 moves upward and comes into contact with the auxiliary stationary contact 51 .
- the main spring 33 is arranged between the active contact plate 31 and the auxiliary movable contact plate 32 , the auxiliary spring 34 is sheathed outside the push rod 36 , and the main spring 33 , the auxiliary spring 34 and the push rod 36 are arranged on the same central axis. After the push rod 36 rises until the active contact plate 31 collides with the main stationary contact 21 and stops, the main spring 33 is compressed and deformed by the upward pushing force of the push rod 36 , so that the auxiliary movable contact plate 32 can continue to be pushed by the push rod 36 continued to rise.
- the support frame 35 is integrally formed by a horizontal plate and two vertical plates formed above it vertically.
- a shaft hole 351 is formed in the middle of the horizontal plate for the top of the push rod 36 to pass through, and the auxiliary movable contact plate 32 is parallel
- the auxiliary movable contact plate 32 is fixedly connected to the transverse plate of the support frame 35, and when the push rod 36 pushes the auxiliary movable contact plate 32 upward, it drives the auxiliary movable contact plate 32.
- the support frame 35 moves upward at the same time.
- the auxiliary movable contact plate 32 is in the shape of a rectangular plate, and the middle of its lower surface is concavely formed with a socket 322 coaxial with the shaft hole 351 for inserting the top of the push rod 36.
- the push rod 36 There is an interference-fit fixed connection between the top end of the socket and the socket 322 to prevent the push rod 36 from separating from the auxiliary movable contact plate 32.
- the auxiliary movable contact plate 32 and the push rod 36 can also be used as an integrally formed part. .
- Both ends of the main spring 33 are inserted into the first bump 311 and the second bump 321 respectively.
- the push rod 36 pushes the auxiliary movable contact plate 32 upward, the active contact plate 31 and the auxiliary movable contact plate 32 can be affected by the main spring 33 .
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- Electromagnetism (AREA)
- Switch Cases, Indication, And Locking (AREA)
Abstract
本发明涉及一种隔离辅助触点的隔离罩及继电器。该继电器至少包括可依序固定连接并呈一中空部的壳体、中框和导磁板，壳体的内部容置有至少一组主触头部件，导磁板上设置有一推动机构及至少一组辅助触头部件，导磁板上还固定有用于罩设在辅助触头部件上方、以将其与主触头部件隔离的隔离罩实际保证工作时，主触头部件燃弧烧蚀时产生的飞溅物不会溅射至辅助触头部件上，有效的将飞溅物隔绝在辅助触头部件外部并直接落入隔离罩顶部上的隔弧部内直至凝结固定，有效保证了辅助触头部件的有效接触和稳定性，并且该隔弧部还可以起到切割电弧、增强灭弧能力的功能，本发明中隔离罩的设置，可有效提高继电器整体的可靠性和寿命。
Description
本发明涉及直流继电器技术领域，尤其涉及一种隔离辅助触点的隔离罩及使用其的继电器。
继电器是一种具有利用较小输入电流去控制较大电流输出功能的自动控制器件，当输入电流量达到一定量值时触发工作、使输出电流量产生跳跃式变化，多用于机电一体化的自动控制系统中，具有简化电路结构、自动转换电路工作模式和保护或调节电路正常工作的功能，能给使用继电器的系统或设备带来确保安全运行、降低生产成本和一定的节能效果。目前，市场常见的具有辅助触点的继电器，其内部的主触点和辅助触点之间并无任何隔离措施，当主触点燃弧烧蚀时，其产生的飞溅物(金属颗粒等物质)常常会溅射至辅助触点上，从而造成辅助触点失效，从而直接影响电子产品的工作稳定性及灵敏度。
发明内容
本发明的目的在于提供一种隔离辅助触点的隔离罩及继电器。
本发明解决上述技术问题所采用的技术方案为：一种隔离辅助触点的隔离罩，其用于罩设在辅助触点的外部以将其与外部结构隔离，其包括一呈筒状且上下贯通的底座(41)，沿所述底座(41)的顶部内壁的边缘处向上凸起形成有用于罩设在辅助触点上方的罩体(42)，所述罩体(42)的顶部平面向上一体延伸形成有呈栅格状收容空间的隔弧部(45)。
在优选的实施例中，所述底座(41)呈长方体筒状，沿其顶部的内部边缘处形成有一长方形环状的台阶(48)，沿所述台阶(48)的内边缘处向上凸起形成有两个内空的所述罩体(42)，所述罩体(42)对称设置在沿所述底座(41)的长度方向的两端，所述罩体(42)的内部形成有一不超过其深度的挡板(421)，所述挡板(421)的两端分别与所述台阶(48)的两个长边相连，以使所述罩体(42)的内部形成用于罩设在辅助触点上方的隔离槽(46)；所述台阶(48)的内边缘处还形成有两个平行设置的且用于桥接在两个所述罩体(42)之间的连接部(44)，每个所述连接部(44)的两端均与两个所述罩体(42)对应的所述挡板(421)相连；两个相对设置的所述罩体(42)之间形成由两个所述挡板(421)和所述连接部(44)依序交错设置首尾相接的方形的所述通孔(43)，所述通孔(43)与所述底座(41)内部空间一体贯通；所述底座(41)的底部边缘处形成有多个用于与外部结构固定连接的固定位 (47)。
在优选的实施例中，一种继电器，其至少包括可依序固定连接并呈一中空部的壳体(11)、中框(13)和导磁板(12)，其特征在于，所述壳体(11)的内部容置有至少一组主触头部件(20)，所述导磁板(12)上设置有一推动机构(30)及至少一组辅助触头部件(50)，所述导磁板(12)上还固定有用于罩设在所述辅助触头部件(50)上方、以将其与所述主触头部件(20)隔离的所述隔离罩(40),所述推动机构(30)从所述隔离罩(40)的通孔(43)处穿过。
在优选的实施例中，所述辅助触头部件(50)包括上下相对设置的辅助静触点(51)和辅助动触点(52)，所述辅助静触点(51)和辅助动触点(52)之间可呈拍合式接触；所述辅助静触点(51)和辅助动触点(52)分别固定在呈平行设置的辅助静触点支架(512)和辅助动触点支架(522)的一端上，所述辅助静触点支架(512)和辅助动触点支架(522)的另一端分别连接辅助静触点引出端(511)和辅助动触点引出端(521)并从所述导磁板(12)的下方穿出至外部；所述隔离罩(40)的罩体(40)罩设在所述辅助静触点(51)和辅助动触点(52)的上方，且所述辅助静触点(51)和辅助动触点(52)同时被收容在所述隔离槽(46)内部。
在优选的实施例中，所述推动机构(30)包括支撑架(35)、主动触板(31)、 辅助动触板(32)、主弹簧(33)、辅助弹簧(34)、推动杆(36)和压板(37)；所述支撑架(35)的底部与所述导磁板(12)平行设置，所述主动触板(31)和辅助动触板(32)平行设置在所述支撑架(35)内，所述辅助动触板(32)与所述支撑架(35)的底部固定连接，所述推动杆(36)的顶端向上穿过所述支撑架(35)的底部与所述辅助动触板(32)固定连接；所述主动触板(31)设置在所述隔离罩(40)的上方且遮挡其通孔(43)，所述辅助动触板(32)设置在所述隔离罩(40)的内部且遮挡其通孔(43)；所述推动杆(36)向上运动以推动所述主动触板(31)和所述辅助动触板(32)向上运动，进而使所述主动触板(31)与所述主静触点(21)接触，同时所述辅助动触板(32)继续向上可推动所述辅助触头部件(50)上的辅助动触点(52)向上运动并与辅助静触点(51)接触。
在优选的实施例中，所述主弹簧(33)设置在所述主动触板(31)和辅助动触板(32)之间，所述辅助弹簧(34)套装在所述推动杆(36)的外部，所述主弹簧(33)、辅助弹簧(34)和推动杆(36)设置在同一中心轴线上；所述压板(37)平行设置在所述主动触板(31)的上方且与所述支撑架(35)的顶部桥接。
在优选的实施例中，所述支撑架(35)由一横向板及两个均垂直形成在其上方的纵向板一体而成，其横向板的中部形成有可供所述推动杆(36)的 顶部穿过的轴孔(351)；所述辅助动触板(32)平行设置在所述支撑架(35)的横向板的上方、且位于其两个纵向板之间，所述辅助动触板(32)呈长方形的板状，其下表面的中部内凹形成有一与所述轴孔(351)同中心轴设置的用于所述推动杆(36)的顶部插入并固定的插口(322)，其上表面的中部向上突出形成一与所述轴孔(351)同中心轴设置的第二凸块(321)，还形成有环绕所述第二凸块(321)设置的限位凹槽(323)；所述主动触板(31)的下表面且对应所述辅助动触板(32)的第二凸块(321)的位置处突出形成有第一凸块(311)；所述主弹簧(33)的两端分别插入第一凸块(311)和第二凸块(321)。
本发明隔离辅助触点的隔离罩及继电器有益效果在于：通过在辅助触头部件的上方罩设一隔离罩，以将其与主触头部件相互隔离开，从而保证工作时，主触头部件燃弧烧蚀时产生的飞溅物不会溅射至辅助触头部件上，有效的将飞溅物隔绝在辅助触头部件外部并直接落入隔离罩顶部上的隔弧部内直至凝结固定，有效保证了辅助触头部件的有效接触和稳定性，并且该隔弧部还可以起到切割电弧、增强灭弧能力的功能。
图1为一实施例中隔离辅助触点的隔离罩的立体示意图。
图2为一实施例中隔离辅助触点的隔离罩的另一角度的立体示意图。
图3为图1中隔离辅助触点的隔离罩的纵剖图。
图4为另一实施例中隔离辅助触点的隔离罩的立体示意图。
图5为一实施例中继电器的立体示意图。
图6为一实施例中继电器的立体分解示意图。
图7为图6中辅助触头部件的另一角度的立体示意图。
图8为一实施例中隔离罩与辅助触头部件的局部装配关系图。
图9为图6中推动机构的立体分解示意图。
图10为图9中推动机构的主视图分解示意图。
图11为图10中辅助动触板的纵向剖视图。
图12为一实施例中继电器的纵向剖面示意图。
图13中图12中A部分的放大视图。
下面将结合具体实施例及附图对本发明的隔离辅助触点的隔离罩及继电器作进一步详细描述。
请同时参见图1和图2，一种隔离辅助触点的隔离罩，其用于罩设在辅助触点的外部以将其与外部结构隔离，其包括一呈筒状且上下贯通的底座41， 沿底座41的顶部内壁的边缘处向上凸起形成有用于罩设在辅助触点上方的罩体42，罩体42的顶部平面向上一体延伸形成有呈栅格状收容空间的隔弧部45。
请同时参见图3，底座41呈长方体筒状，沿其顶部的内部边缘处形成有一长方形环状的台阶48，沿台阶48的内边缘处向上凸起形成有两个内空的罩体42，罩体42对称设置在沿底座41的长度方向的两端，罩体42的内部形成有一不超过其深度的挡板421，挡板421的两端分别与台阶48的两个长边相连，以使罩体42的内部形成用于罩设在辅助触点上方的隔离槽46，每个隔离槽46可分别对应一组辅助触点。
台阶48的内边缘处还形成有两个平行设置的且用于桥接在两个罩体42之间的连接部44，每个连接部44的两端均与两个罩体42对应的挡板421相连。
两个相对设置的罩体42之间形成由两个挡板421和连接部44依序交错首尾相接的方形的通孔43，通孔43与底座41内部空间一体贯通。
底座41的底部边缘处形成有多个用于与外部结构固定连接的固定位47。
隔离罩40优选的采用耐高温的绝缘塑料，比如PA6T、PA10T，也可以采用陶瓷材料。
请参见图4，在另一实施例中，该隔离罩可被拆分成两个单独的个体，其 主要特征与前述实施例中的结构相同，如图所示，其包括一大致呈方形的且内空的底座41’，其一个侧壁为空，形成贯穿其内部的限位开口49，用于在安装时形成对其他部件的避位，沿底座41’的顶部内壁的边缘处向上凸起形成有用于罩设在辅助触点上方的罩体42’，罩体42’的顶部平面向上一体延伸形成有呈栅格状收容空间的隔弧部45’；该呈单独个体状的隔离罩可单独对应一组辅助触点。
进一步的，在其他优选的实施例中，该隔离罩还可在底座的上方形成多个罩体，以使每个罩体分别对应一组辅助触点，其罩体结构不变，仅在数量上进行增减，此处则不再赘述。
请同时参见图5至图6，一种使用前述隔离罩40的继电器，其至少包括可依序固定连接并呈一中空部的壳体11、中框13和导磁板12，在壳体11的内部容置有至少一组主触头部件20，导磁板12上设置有一推动机构30及至少一组辅助触头部件50，导磁板12上还固定有用于罩设在辅助触头部件50上方、以将其与主触头部件20隔离的隔离罩40,推动机构30从隔离罩40的通孔43处穿过。
请同时参见图7，辅助触头部件50包括上下相对设置的辅助静触点51和辅助动触点52，辅助静触点51和辅助动触点52之间可呈拍合式接触连接。
辅助静触点51和辅助动触点52分别固定在呈平行设置的辅助静触点支 架512和辅助动触点支架522的一端上，辅助静触点支架512和辅助动触点支架522的另一端分别连接辅助静触点引出端511和辅助动触点引出端521并从导磁板12的下方穿出至外部。
请同时参见图8，隔离罩40的罩体40罩设在辅助静触点51和辅助动触点52的上方，且辅助静触点51收容在隔离槽46内部，辅助动触点52与辅助静触点51相互挤压接触以使辅助静触点支架512与挡板421相抵，以使相互接触的辅助静触点51和辅助动触点52同时被收容在隔离槽46的内部。
请同时参见图9至图10，推动机构30包括支撑架35、主动触板31、辅助动触板32、主弹簧33、辅助弹簧34、推动杆36和压板37。
支撑架35的底部与导磁板12平行设置，主动触板31和辅助动触板32平行设置在支撑架35内。
其中，辅助动触板32与支撑架35的底部固定连接，推动杆36的顶端向上穿过支撑架35的底部与所述辅助动触板32固定连接，辅助动触板32、支撑架35与推动杆36连接成为一个整体部件，其在实际运动时同步进行。
优选的，在另一实施方式中，辅助动触板32、支撑架35与推动杆36可依照前述的连接方式做为一个一体成型的零件使用。
主动触板31设置在隔离罩40的上方且遮挡其通孔43，辅助动触板32设置在隔离罩40的内部且遮挡其通孔43；推动杆36向上运动以推动主动触板 31和辅助动触板32向上运动，首先可使主动触板31与主静触点21接触至停止上升，进一步的，辅助动触板32继续向上运动至与辅助触头部件50上的辅助动触点52相抵触，进一步的，辅助动触点52向上运动并与辅助静触点51相接触。
主弹簧33设置在主动触板31和辅助动触板32之间，辅助弹簧34套装在推动杆36的外部，主弹簧33、辅助弹簧34和推动杆36设置在同一中心轴线上。推动杆36上升至主动触板31与主静触点21抵触并停止后，主弹簧33受到推动杆36向上的推动力而产生压缩形变，进而辅助动触板32可继续受到推动杆36的推动力而持续上升。
压板37平行设置在主动触板31的上方且与支撑架35的顶部桥接，以限制主动触板31的上升高度。
支撑架35由一横向板及两个均垂直形成在其上方的纵向板一体而成，其横向板的中部形成有可供推动杆36的顶部穿过的轴孔351，辅助动触板32平行设置在支撑架35的横向板的上方、且位于其两个纵向板之间，辅助动触板32与支撑架35的横向板固定连接，当推动杆36向上推动辅助动触板32时则带动支撑架35同时向上运动。
请同时参见图11，辅助动触板32呈长方形的板状，其下表面的中部内凹形成有一与轴孔351同中心轴设置的用于推动杆36的顶部插入的插口322， 推动杆36的顶端与该插口322之间呈过盈配合式固定连接，以防止推动杆36与辅助动触板32脱离，同理，辅助动触板32与推动杆36也可作为一个一体成型的零件使用。
辅助动触板32的上表面的中部向上突出形成一与轴孔351同中心轴设置的第二凸块321，还形成有环绕第二凸块321设置的限位凹槽323。
主动触板31的下表面且对应辅助动触板32的第二凸块321的位置处突出形成有第一凸块311。
主弹簧33的两端分别插入第一凸块311和第二凸块321，推动杆36向上推动辅助动触板32时，主动触板31与辅助动触板32相互之间可受到主弹簧33的伸缩作用力而呈开合运动。
其他的，在导磁板12的下方还固定有一与推动机构10的推动杆36同轴设置的套筒38，在套筒38的内部同轴设置有一动铁芯32，推动机构10的辅助弹簧34和推动杆36同时套装在动铁芯32的内部，动铁芯32为推动杆36提供驱动力，以使其向上运动。
请同时参见图12至图13，本方案的继电器在未通电的状态下，其主动触板31位于主静触点21的正下方，辅助动触板32则位于辅助动触点52的下方，隔离罩40则罩设在辅助静触点51和辅助动触点52的上方，主触头部件20和辅助触头部件50则被隔离罩40完全隔离。当对继电器通电时，推动机 构30开始工作，其推动杆36向上并推动支撑架35运动，同时支撑架35同时带动辅助动触板32和主动触板31向上运动，进而使主动触板31与主静触点21接触导通，进一步的，在主弹簧33的弹性作用下，辅助动触板32则继续向上运动至与辅助动触点支架522抵触并推动其向上运动，终使辅助动触点52与辅助静触点51接触导通，在辅助动触板32向上运动至辅助动触点52与辅助静触点51接触导通的过程中，由于受到主板簧的33的弹性作用力，主动触板31与主静触点21始终保持紧密而稳固的接触，通过改变推动杆36的推进深度，便可选择性的启动/关闭辅助触头部件50的接通，如此，既能保证主动触板31与主静触点21的有效接通，而且还可同时增设辅助触头部件50的工作回路以进一步的辅助整个继电器稳定工作；在此通电工作过程中，由于隔离罩40对辅助触头部件50进行了完全隔离，所以主静触点21与主动触板31燃弧烧蚀时产生的飞溅物(金属颗粒等物质)有效的隔绝在辅助触头部件50的外部并直接落入隔离罩40顶部上的隔弧部45内直至凝结固定，有效保证了辅助触头部件50的有效接触和稳定性。
综上，本发明的隔离辅助触点的隔离罩及继电器，通过在辅助触头部件的上方罩设一隔离罩，以将其与主触头部件相互隔离开，从而保证工作时，主触头部件燃弧烧蚀时产生的飞溅物不会溅射至辅助触头部件上，有效的将飞溅物隔绝在辅助触头部件外部并直接落入隔离罩顶部上的隔弧部内直至凝 结固定，有效保证了辅助触头部件的有效接触和稳定性，并且该隔弧部还可以起到切割电弧、增强灭弧能力的功能。本发明中隔离罩的设置，可有效提高继电器整体的可靠性和寿命。
虽然对本发明的描述是结合以上具体实施例进行的，但是，熟悉本技术领域的人员能够根据上述的内容进行许多替换、修改和变化、是显而易见的。因此，所有这样的替代、改进和变化都包括在附后的权利要求的精神和范围内。
Claims (7)
- 一种隔离辅助触点的隔离罩，其用于罩设在辅助触点的外部以将其与外部结构隔离，其特征在于，其包括一呈筒状且上下贯通的底座(41)，沿所述底座(41)的顶部内壁的边缘处向上凸起形成有用于罩设在辅助触点上方的罩体(42)，所述罩体(42)的顶部平面向上一体延伸形成有呈栅格状收容空间的隔弧部(45)。
- 根据权利要求1所述的隔离辅助触点的隔离罩，其特征在于，所述底座(41)呈长方体筒状，沿其顶部的内部边缘处形成有一长方形环状的台阶(48)，沿所述台阶(48)的内边缘处向上凸起形成有两个内空的所述罩体(42)，所述罩体(42)对称设置在沿所述底座(41)的长度方向的两端，所述罩体(42)的内部形成有一不超过其深度的挡板(421)，所述挡板(421)的两端分别与所述台阶(48)的两个长边相连，以使所述罩体(42)的内部形成用于罩设在辅助触点上方的隔离槽(46)；所述台阶(48)的内边缘处还形成有两个平行设置的且用于桥接在两个所述罩体(42)之间的连接部(44)，每个所述连接部(44)的两端均与两个所述罩体(42)对应的所述挡板(421)相连；两个相对设置的所述罩体(42)之间形成由两个所述挡板(421)和所述连接部(44)依序交错设置首尾相接的方形的所述通孔(43)，所述通孔(43)与所述底座(41)内部空间一体贯通；所述底座(41)的底部边缘处形成有多个用于与外部结构固定连接的固定位(47)。
- 一种基于权利要求1或2任一项所述的继电器，其至少包括可依序固定连接并呈一中空部的壳体(11)、中框(13)和导磁板(12)，其特征在于，所述壳体(11)的内部容置有至少一组主触头部件(20)，所述导磁板(12)上设置有一推动机构(30)及至少一组辅助触头部件(50)，所述导磁板(12)上还固定有用于罩设在所述辅助触头部件(50)上方、以将其与所述主触头部件(20)隔离的所述隔离罩(40),所述推动机构(30)从所述隔离罩(40)的通孔(43)处穿过。
- 根据权利要求3所述的继电器，其特征在于，所述辅助触头部件(50)包括上下相对设置的辅助静触点(51)和辅助动触点(52)，所述辅助静触点(51)和辅助动触点(52)之间可呈拍合式接触；所述辅助静触点(51)和辅助动触点(52)分别固定在呈平行设置的辅助静触点支架(512)和辅助动触点支架(522)的一端上，所述辅助静触点支架(512)和辅助动触点支架(522)的另一端分别连接辅助静触点引出端(511)和辅助动触点引出端(521)并从所述导磁板(12)的下方穿出至外部；所述隔离罩(40)的罩体(40)罩设在所述辅助静触点(51)和辅助动触点(52)的上方，且所述辅助静触点(51)和辅助动触点(52)同时被收容在所述隔离槽(46)内部。
- 根据权利要求4所述的继电器，其特征在于，所述推动机构(30)包括支撑架(35)、主动触板(31)、辅助动触板(32)、主弹簧(33)、辅助弹 簧(34)、推动杆(36)和压板(37)；所述支撑架(35)的底部与所述导磁板(12)平行设置，所述主动触板(31)和辅助动触板(32)平行设置在所述支撑架(35)内，所述辅助动触板(32)与所述支撑架(35)的底部固定连接，所述推动杆(36)的顶端向上穿过所述支撑架(35)的底部与所述辅助动触板(32)固定连接；所述主动触板(31)设置在所述隔离罩(40)的上方且遮挡其通孔(43)，所述辅助动触板(32)设置在所述隔离罩(40)的内部且遮挡其通孔(43)；所述推动杆(36)向上运动以推动所述主动触板(31)和所述辅助动触板(32)向上运动，进而使所述主动触板(31)与所述主静触点(21)接触，同时所述辅助动触板(32)继续向上可推动所述辅助触头部件(50)上的辅助动触点(52)向上运动并与辅助静触点(51)接触。
- 根据权利要求5所述的继电器，其特征在于，所述主弹簧(33)设置在所述主动触板(31)和辅助动触板(32)之间，所述辅助弹簧(34)套装在所述推动杆(36)的外部；所述主弹簧(33)、辅助弹簧(34)和推动杆(36)设置在同一中心轴线上；所述压板(37)平行设置在所述主动触板(31)的上方且与所述支撑架(35)的顶部桥接。
- 根据权利要求6所述的继电器，其特征在于，所述支撑架(35)由一横向板及两个均垂直形成在其上方的纵向板一体而成，其横向板的中部形成有可供所述推动杆(36)的顶部穿过的轴孔(351)；所述辅助动触板(32) 平行设置在所述支撑架(35)的横向板的上方、且位于其两个纵向板之间，所述辅助动触板(32)呈长方形的板状，其下表面的中部内凹形成有一与所述轴孔(351)同中心轴设置的用于所述推动杆(36)的顶部插入并固定的插口(322)，其上表面的中部向上突出形成一与所述轴孔(351)同中心轴设置的第二凸块(321)，还形成有环绕所述第二凸块(321)设置的限位凹槽(323)；所述主动触板(31)的下表面且对应所述辅助动触板(32)的第二凸块(321)的位置处突出形成有第一凸块(311)；所述主弹簧(33)的两端分别插入第一凸块(311)和第二凸块(321)。
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| GB1497572A (en) * | 1974-07-12 | 1978-01-12 | Allen Bradley Co | Electrical switches |
| CN108292575A (zh) * | 2016-06-14 | 2018-07-17 | 富士电机机器制御株式会社 | 触点装置和利用其的电磁接触器 |
| CN111739764A (zh) * | 2020-07-20 | 2020-10-02 | 昆山联滔电子有限公司 | 一种直流继电器 |
| CN212136359U (zh) * | 2019-12-30 | 2020-12-11 | 中泰福安(东莞)电子科技有限公司 | 一种能够提高灭弧能力的直流继电器 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1497572A (en) * | 1974-07-12 | 1978-01-12 | Allen Bradley Co | Electrical switches |
| CN108292575A (zh) * | 2016-06-14 | 2018-07-17 | 富士电机机器制御株式会社 | 触点装置和利用其的电磁接触器 |
| CN212136359U (zh) * | 2019-12-30 | 2020-12-11 | 中泰福安(东莞)电子科技有限公司 | 一种能够提高灭弧能力的直流继电器 |
| CN111739764A (zh) * | 2020-07-20 | 2020-10-02 | 昆山联滔电子有限公司 | 一种直流继电器 |
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