WO2017206426A1 - Electromagnetic device for molded case circuit breaker - Google Patents
Electromagnetic device for molded case circuit breaker Download PDFInfo
- Publication number
- WO2017206426A1 WO2017206426A1 PCT/CN2016/103108 CN2016103108W WO2017206426A1 WO 2017206426 A1 WO2017206426 A1 WO 2017206426A1 CN 2016103108 W CN2016103108 W CN 2016103108W WO 2017206426 A1 WO2017206426 A1 WO 2017206426A1
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- WIPO (PCT)
- Prior art keywords
- armature
- cam
- rotating member
- circuit breaker
- electromagnetic
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/24—Electromagnetic mechanisms
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/74—Means for adjusting the conditions under which the device will function to provide protection
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/74—Means for adjusting the conditions under which the device will function to provide protection
- H01H71/7463—Adjusting only the electromagnetic mechanism
Definitions
- the invention relates to the field of low-voltage electrical appliances, and in particular to an electromagnetic device of a molded case circuit breaker.
- the electromagnetic device of the molded case circuit breaker usually adopts a silicon steel sheet form iron core and an armature due to magnetic saturation and the like.
- the armature is usually supported by a compression spring to maintain an air gap between the armature and the core. Due to the functional requirements of the circuit breaker, the trip unit must be tripped within the set current range, and the same structure is difficult to ensure magnetic saturation avoidance under different current specifications.
- the existing electromagnetic device adjusts the air gaps of different sizes by replacing the pressure springs of different specifications to match the rated currents of different specifications, and this has the problems of difficulty in replacement, inconvenient adjustment, inflexibility of protection range, and the like.
- the object of the present invention is to overcome the deficiencies of the prior art and to provide an electromagnetic device of a molded case circuit breaker which is simple in structure and flexible in adjustment.
- An electromagnetic device for a molded case circuit breaker comprising an electromagnetic mechanism 1 and an adjustment mechanism 2 for driving connection, the electromagnetic mechanism 1 comprising a core 10, an armature 11, a rotating member 12 and a mounting bracket 13, the armature 11 and a circuit breaker
- the drawbar 3 is connected to drive the circuit breaker to short-circuit and trip, one end of the armature 11 is elastically connected to the iron core 10, and the other end of the armature 11 is lifted to form an air gap with the iron core 10, and the adjusting mechanism 2
- the cam 21 is mounted on the mounting bracket 13, and the middle portion of the rotating member 12 is pivotally mounted on the mounting bracket 13 above the armature 11, and the driving end and the triggering end at the two ends of the rotating member 12 are respectively disposed on the driving surface of the cam 21 and
- the cam 21 of the adjusting mechanism 2 rotates, and the two ends of the rotating member 12 of the electromagnetic mechanism 1 are oscillated up and down with the middle portion as a moving fulcrum, and the trigger end of the rotating member
- the number of the electromagnetic mechanisms 1 is at least two, wherein at least one electromagnetic mechanism 1
- the driving mechanism 2 is drivingly connected to each other, and the electromagnetic mechanisms 1 are arranged side by side, and the rotating parts 12 of the electromagnetic mechanisms 1 are connected in linkage by the linkage rod 16, and the armatures 11 of the electromagnetic mechanisms 1 are connected to the drawbar 3 of the circuit breaker. .
- the cam 21 is mounted on the mounting bracket 13 by an adjusting rod 22, the adjusting rod 22 is provided with a cam 21 on one end and mounted on the mounting bracket 13, and the other end of the adjusting rod 22 is connected with an adjusting knob 23, Used to manually rotate the cam 21.
- the trigger end of the rotating member 12 extends axially along the rotating shaft of the rotating member 12 to form a mounting platform 120 directly above the tilting end of the armature 11, and the mounting platform 120 is provided with a screw hole for mounting the adjusting screw 14. 121.
- the adjusting screw 14 passes through the screw hole 121 of the rotating member 12, and its tip end portion abuts against the armature 11.
- the mounting bracket 13 includes a first mounting plate 130 and a connecting plate 132 that are vertically connected, and the connecting plate 132 is mounted with a cam 21, and the first mounting plate 130 protrudes from the connecting plate 132 and is on the protruding portion.
- the rotating member 12 on one side of the cam 21 is pivotally mounted.
- the rotating shaft of the cam 21 and the rotating shaft of the rotating member 12 are perpendicular to each other.
- the driving end of the rotating member 12 extends axially along the rotating shaft of the cam 21 to form abutment against the cam 21.
- the driven head 122 on the driving surface.
- the end surface of the cam 21 is provided with a spiral boss 210 around the rotation axis of the cam 21.
- the end surface of the spiral boss 210 and the end surface of the cam 21 located between the two ends of the spiral boss 210 form a circumference around the rotation axis of the cam 21.
- the drive surface is provided.
- one end of the connecting plate 132 is connected with a first mounting plate 130, and the other end of the connecting plate 132 is connected with a second mounting plate 131 parallel to the first mounting plate 130, the first mounting plate 130 and the second
- the iron core 10 and the armature 11 are installed in the gap of the mounting plate 131.
- the elastic connecting end of the iron core 10 and the armature 11 is located below the connecting plate 132, and the first mounting plate 130 and the second mounting plate 131 are respectively matched and fixed.
- the second mounting plate 131 is a U-shaped structure matched with the iron core 10
- the connecting plate 132 is connected to a side wall end of the U-shaped second mounting plate 131, and the end of the connecting plate 132 is provided.
- the fixing protrusion 132a is fastened to the connecting plate 132 by a fixing hole provided with the fixing protrusion 132a.
- the iron core 10 has a U-shaped structure, and the armature 11 is mounted on the U-shaped iron core 10 port.
- One end of the armature 11 abuts on a side wall of the U-shaped iron core 10, and passes through the return spring 15 With iron core 10 Elastically connected, the other end of the armature 11 is spaced apart from the other side wall of the U-shaped core 10.
- the linkage rod 16 is a strip-shaped sheet structure disposed above the rotating member 12 of each electromagnetic mechanism 1, and the rotating members 12 of the electromagnetic mechanisms 1 are fixedly connected to the linkage rod 16 by rivets 17, respectively.
- the middle portion of the rotating member 12 extends upward to form a connecting piece 123 attached to the interlocking rod 16, and the rivet 17 passes through the connecting piece 123 of the rotating member 12 and the interlocking rod 16 to rive and fix the rotating member 12 and the interlocking rod 16.
- the electromagnetic device of the molded case circuit breaker of the invention is matched with the cam and the rotating member of the driving connection, thereby realizing the air gap between the flexible adjustable armature and the iron core, thereby effectively avoiding the phenomenon of magnetic saturation and achieving the same electromagnetic structure.
- the range of the setting current of the electromagnetic device is expanded, and the application range is wide.
- the driving structure of the cam and the rotating member is simple and reliable, the adjustment is simple and convenient, and the flexible adjustment is convenient.
- FIG. 1 is a partial structural schematic view of a molded case circuit breaker of the present invention
- Figure 2 is a schematic structural view of an electromagnetic device of the present invention
- Figure 3 is a partial enlarged view of Figure 2 of the present invention.
- Figure 4 is a schematic view showing the structure of a rotary member of the present invention.
- the specific embodiment of the electromagnetic device of the molded case circuit breaker of the present invention will be further described below with reference to the embodiments given in Figs.
- the electromagnetic device of the molded case circuit breaker of the present invention is not limited to the description of the following embodiments.
- the electromagnetic device of the molded case circuit breaker of the present invention comprises an electromagnetic mechanism 1 and an adjustment mechanism 2 for driving connection, and the electromagnetic mechanism 1 includes a core 10, an armature 11, a rotating member 12 and a mounting bracket 13
- the armature 11 is connected to the drawbar 3 of the circuit breaker for driving the circuit breaker to be short-circuited.
- One end of the armature 11 is elastically connected to the iron core 10, and the other end of the armature 11 can be lifted to form an air gap with the iron core 10.
- the cam 21 of the adjusting mechanism 2 is mounted on the mounting bracket 13, and the middle portion of the rotating member 12 is pivotally mounted on the mounting bracket 13 above the armature 11, and the driving end and the triggering end at the two ends of the rotating member 12 are respectively disposed on the cam 21.
- the driving surface and the tilting end of the armature 11; the cam 21 of the adjusting mechanism 2 rotates, and the two ends of the rotating member 12 of the electromagnetic mechanism 1 are driven to swing up and down with the middle portion as a moving fulcrum, and the trigger end of the rotating member 12 drives the armature 11
- the lifted end can move up and down with respect to the iron core 10 to adjust the armature 11 and the iron
- the air gap refers to the gap left at the intersection of the core and the armature.
- the role of the air gap is to reduce the magnetic permeability, so that the coil characteristics are less dependent on the initial permeability of the core material.
- the cam and the rotating member of the driving connection cooperate with each other to realize the air gap between the flexible adjustable armature and the iron core, thereby effectively avoiding the phenomenon of magnetic saturation, achieving the same electromagnetic structure suitable for different current specifications, and expanding the setting current of the electromagnetic device.
- the range is wide, and the driving structure of the cam and the rotating member is simple and reliable, the adjustment is simple and convenient, and the flexible adjustment is convenient.
- the number of the electromagnetic mechanisms 1 is at least two, at least one of the electromagnetic mechanisms 1 is drivingly connected to the adjusting mechanism 2, and the electromagnetic mechanisms 1 are arranged side by side, and the rotating members 12 of the electromagnetic mechanisms 1 are The linkages of the respective electromagnetic mechanisms 1 are connected to the drawbars 3 of the circuit breaker by the linkage of the linkage rods 16.
- the other electromagnetic mechanisms 1 are arranged side by side on the side of the electromagnetic mechanism 1 that is drivingly connected to the adjustment mechanism 2, and when the cam 21 rotates, the electromagnetic mechanism 1 that is drivingly connected to the adjustment mechanism 2 is driven.
- the rotating member 12 is rotated, so that the rotating member 12 is pulled by the interlocking lever 16 or pushes the rotating member 12 of the other electromagnetic mechanism 1 to rotate synchronously.
- the multi-phase electromagnetic adjustment of the electromagnetic tripping device of the circuit breaker is realized, and the overall setting of the tripping current of the circuit breaker is achieved, the structure is simple and compact, the movements are synchronized, and the safety and reliability are improved.
- the interlocking rod 16 is a strip-shaped sheet structure, which is disposed above the rotating member 12 of each electromagnetic mechanism 1, and the rotating members 12 of the electromagnetic mechanisms 1 are respectively linked by the rivets 17.
- the rod 16 is fixedly connected, and the middle portion of the rotating member 12 extends upward to form a connecting piece 123 attached to the linkage rod 16.
- the rivet 17 passes through the connecting piece 123 of the rotating member 12 and the linkage rod 16 to rive the rotating member 12 and the linkage rod 16
- the fixing is such that the rivet 17 is disposed directly above the rotating shaft of the rotating member 12, which greatly improves the linkage synchronization and consistency between the electromagnetic mechanisms.
- the number of electromagnetic mechanisms 1 is preferably three, and the number of adjustment mechanisms 2 is preferably one, so that the same adjustment mechanism can achieve the effect of simultaneous adjustment of three phases by means of the linkage rod.
- the iron core 10 has a U-shaped structure
- the armature 11 is mounted on the U-shaped iron core 10 port, and one end of the armature 11 abuts against the U-shaped iron core 10
- the other end of the armature 11 is spaced apart from the other side wall of the U-shaped iron core 10 to form an air gap which changes the magnetic permeability.
- the cam 21 passes the adjustment rod 22 Mounted on the mounting bracket 13, one end of the adjusting rod 22 is fitted with a cam 21 and mounted on the mounting bracket 13, so that the cam 21 is placed on the mounting bracket 13, and the other end of the adjusting rod 22 is connected with an adjusting knob 23 for manual operation.
- a screwdriver slot is formed on the end surface of the adjusting knob 23 to facilitate manual rotation by means of a screwdriver, which is convenient and labor-saving, and the screwdriver slot can be in a shape of a letter or a cross.
- the rotating structure of the driving cam is manual, and of course, the cam can also be connected with an electric rotating device.
- the manual type the cam needs to rotate at a small angle, the manual type is simpler and more convenient, improves controllability and reliability, and saves production cost.
- the rotating member of the present invention acts on the structure of the armature, and the trigger end of the rotating member 12 extends axially along the rotating shaft of the rotating member 12 to form a mounting platform 120 directly above the tilting end of the armature 11, and is mounted.
- the platform 120 is provided with a screw hole 121 for mounting the adjusting screw 14, and the adjusting screw 14 passes through the screw hole 121 of the rotating member 12, and the tip end thereof abuts against the armature 11.
- a nut is selected as a fastener for fixing the adjusting screw 14 to the mounting platform 120 of the rotating member 12, so that the distance between the tip end of the adjusting screw 14 and the armature 11 can be finely adjusted.
- the structure of the armature 11 may also be formed on the trigger end of the rotating member 12 or fixedly mounted with an adjusting pressure block that abuts the armature 11.
- the adjusting screw of the embodiment can adjust the structure mounted on the rotating member. Fine-tune the distance between the adjusting screw and the armature for easy commissioning, flexibility and reliability.
- the mounting bracket 13 of the present invention includes a first mounting plate 130 and a connecting plate 132 that are vertically connected.
- the connecting plate 132 is mounted with a cam 21, and the first mounting plate 130 protrudes from the connecting plate. 132, and a rotating member 12 on one side of the cam 21 is pivotally mounted on the protruding portion.
- the rotating shaft of the cam 21 and the rotating shaft of the rotating member 12 are perpendicular to each other, and the driving end of the rotating member 12 extends axially along the rotating shaft of the cam 21.
- the driven head 122 abuts on the driving surface of the cam 21.
- the rotating shaft of the cam 21 and the rotating shaft of the rotating member 12 may also be parallel to each other, and the circumferential surface of the cam 21 is a curved surface as a driving surface for engaging with the rotating member 12.
- the cam and the rotating member of the embodiment The matching structure enables the follower head to stably stay on the driving surface of the cam, ensuring stable and reliable adjustment, simple and compact structure, convenient assembly, avoiding interference with other parts, and facilitating the overall layout to be compact and reasonable.
- the end surface of the cam 21 is provided with a spiral boss 210 around the rotation axis of the cam 21.
- the end surface of the spiral boss 210 and the end surface of the cam 21 located between both ends of the spiral boss 210 form a driving around the rotation axis of the cam 21. surface.
- the arrangement of the spiral boss facilitates the smooth and orderly adjustment process and improves reliability.
- one end of the connecting plate 132 is connected to the first mounting plate 130, and the other end of the connecting plate 132 is connected in parallel with the first mounting plate 130.
- the second mounting plate 131, the gap between the first mounting plate 130 and the second mounting plate 131 is mounted with a core 10 and an armature 11, and the elastic connecting end of the iron core 10 and the armature 11 is located directly below the connecting plate 132, and A mounting plate 130 and a second mounting plate 131 are respectively attached and fixed to the front and rear faces of the iron core 10.
- the setting of the mounting bracket plays a dual role, which not only facilitates the installation of the rotating member and the cam, but also protects and isolates the iron core structure, has a simple structure, a compact layout, saves space and improves reliability.
- the second mounting plate 131 is a U-shaped structure matched with the iron core 10
- the connecting plate 132 is integrally connected to one side end portion of the U-shaped second mounting plate 131, and the end portion of the connecting plate 132 is provided with a fixing convex portion.
- the first mounting plate 130 is snap-connected to the connecting plate 132 by being provided with a fixing hole that cooperates with the fixing protrusion 132a.
- the structure is simple and stable, and it is easy to install.
- the cam 21 rotates clockwise to drive the rotating member 12 of the electromagnetic mechanism 1 that is drivingly connected to the adjusting mechanism 2 to rotate.
- the follower head 122 of the rotating member 12 swings upward and is mounted thereon.
- the adjusting screw 14 on the mounting platform 120 of the rotating member 12 synchronously swings downward to lower the raised end of the armature 11, and the connecting piece 123 of the rotating member 12 also oscillates downwardly to drive the interlocking rod 16, thereby pulling other electromagnetic mechanisms.
- the rotating members 12 of 1 rotate in synchronism to press the raised ends of the respective armatures 11.
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Abstract
Provided is an electromagnetic device for a molded case circuit breaker, the electromagnetic device comprising an electromagnetic mechanism (1) and a regulating mechanism (2) which are connected in a driving manner. The electromagnetic mechanism (1) comprises an iron core (10), an armature (11), a rotating member (12) and a mounting bracket (13), and the armature (11) is connected to a drag rod (3) of the circuit breaker to bring the circuit breaker to trip in the event of a short circuit. One end of the armature (11) is elastically connected to the iron core (10), and the other end of the armature (11) is cocked, so as to form an air gap between the armature and the iron core (10). A cam (21) of the regulating mechanism (2) is mounted on the mounting bracket (13), the middle portion of the rotating member (12) is pivotally mounted on the mounting bracket (13) above the armature (11), and a driving end and a triggering end located at two ends of the rotating member (12) are arranged on a driving surface of the cam (21) and the cocked end of the armature (11) respectively. The cam (21) of the regulating mechanism (2) is rotated to bring both ends of the rotating member (12) of the electromagnetic mechanism (1) to bob with the middle portion as a fulcrum for movement, and the triggering end of the rotating member (12) drives the cocked end of the armature (11) to be able to move up and down relative to the iron core (10). The electromagnetic device for the molded case circuit breaker has a simple structure and is flexible enough to be regulated.
Description
本发明涉及低压电器领域，具体涉及一种塑壳断路器的电磁装置。The invention relates to the field of low-voltage electrical appliances, and in particular to an electromagnetic device of a molded case circuit breaker.
塑壳断路器在短路保护时，短路产生的大电流激励线圈产生磁力吸引衔铁带动牵引杆实现脱扣保护。塑壳断路器的电磁装置由于磁饱和等原因通常采用硅钢片形式铁芯及衔铁。在此装置中通常用压簧支撑衔铁，保持衔铁与铁芯之间的气隙。由于断路器的功能要求，脱扣器要在整定电流范围内可以脱扣，而同一结构在不同电流规格的情况下难以保证能避免出现磁饱和的现象。此外，现有的电磁装置通过更换不同规格的压簧来调节不同大小的气隙以匹配不同规格的额定电流，而这存在更换困难、调节不方便、保护范围不灵活等问题。When the molded case circuit breaker is protected by short circuit, the large current excitation coil generated by the short circuit generates a magnetic attraction to attract the armature to drive the drawbar to realize the trip protection. The electromagnetic device of the molded case circuit breaker usually adopts a silicon steel sheet form iron core and an armature due to magnetic saturation and the like. In this device, the armature is usually supported by a compression spring to maintain an air gap between the armature and the core. Due to the functional requirements of the circuit breaker, the trip unit must be tripped within the set current range, and the same structure is difficult to ensure magnetic saturation avoidance under different current specifications. In addition, the existing electromagnetic device adjusts the air gaps of different sizes by replacing the pressure springs of different specifications to match the rated currents of different specifications, and this has the problems of difficulty in replacement, inconvenient adjustment, inflexibility of protection range, and the like.
发明内容Summary of the invention
本发明的目的在于克服现有技术的缺陷，提供一种结构简单、灵活可调的塑壳断路器的电磁装置。The object of the present invention is to overcome the deficiencies of the prior art and to provide an electromagnetic device of a molded case circuit breaker which is simple in structure and flexible in adjustment.
为实现上述目的，本发明采用了如下技术方案：In order to achieve the above object, the present invention adopts the following technical solutions:
一种塑壳断路器的电磁装置，包括驱动连接的电磁机构1和调节机构2，所述电磁机构1包括铁芯10、衔铁11、转动件12和安装支架13，所述衔铁11与断路器的牵引杆3连接，用于带动断路器短路脱扣，衔铁11的一端弹性连接在铁芯10上，衔铁11的另一端翘起与铁芯10之间形成气隙，所述调节机构2的凸轮21安装在安装支架13上，所述转动件12的中部枢转安装在安装支架13上位于衔铁11的上方，位于转动件12两端的驱动端和触发端分别设置在凸轮21的驱动面和衔铁11的翘起端上；调节机构2的凸轮21旋转，带动电磁机构1的转动件12的两端以中部为运动支点做上下摆动，转动件12的触发端驱使衔铁11的翘起端能够相对于铁芯10上下移动。An electromagnetic device for a molded case circuit breaker, comprising an electromagnetic mechanism 1 and an adjustment mechanism 2 for driving connection, the electromagnetic mechanism 1 comprising a core 10, an armature 11, a rotating member 12 and a mounting bracket 13, the armature 11 and a circuit breaker The drawbar 3 is connected to drive the circuit breaker to short-circuit and trip, one end of the armature 11 is elastically connected to the iron core 10, and the other end of the armature 11 is lifted to form an air gap with the iron core 10, and the adjusting mechanism 2 The cam 21 is mounted on the mounting bracket 13, and the middle portion of the rotating member 12 is pivotally mounted on the mounting bracket 13 above the armature 11, and the driving end and the triggering end at the two ends of the rotating member 12 are respectively disposed on the driving surface of the cam 21 and The cam 21 of the adjusting mechanism 2 rotates, and the two ends of the rotating member 12 of the electromagnetic mechanism 1 are oscillated up and down with the middle portion as a moving fulcrum, and the trigger end of the rotating member 12 drives the tilting end of the armature 11 to Moves up and down with respect to the iron core 10.
优选地，所述电磁机构1的数量为至少两个，其中至少有一个电磁机构1
与所述调节机构2驱动连接，各电磁机构1并排设置，且各电磁机构1的转动件12之间通过联动杆16联动连接，各电磁机构1的衔铁11均与断路器的牵引杆3连接。Preferably, the number of the electromagnetic mechanisms 1 is at least two, wherein at least one electromagnetic mechanism 1
The driving mechanism 2 is drivingly connected to each other, and the electromagnetic mechanisms 1 are arranged side by side, and the rotating parts 12 of the electromagnetic mechanisms 1 are connected in linkage by the linkage rod 16, and the armatures 11 of the electromagnetic mechanisms 1 are connected to the drawbar 3 of the circuit breaker. .
优选地，所述凸轮21通过调节杆22安装在安装支架13上，所述调节杆22的一端上套装有凸轮21且安装在安装支架13上，调节杆22的另一端连接有调节旋钮23，用于手动旋转凸轮21。Preferably, the cam 21 is mounted on the mounting bracket 13 by an adjusting rod 22, the adjusting rod 22 is provided with a cam 21 on one end and mounted on the mounting bracket 13, and the other end of the adjusting rod 22 is connected with an adjusting knob 23, Used to manually rotate the cam 21.
优选地，所述转动件12的触发端沿转动件12的转轴轴向延伸形成位于衔铁11的翘起端正上方的安装平台120，所述安装平台120上开设有用于安装调节螺钉14的螺钉孔121，所述调节螺钉14穿过转动件12的螺钉孔121，其尖端部与衔铁11相抵接。Preferably, the trigger end of the rotating member 12 extends axially along the rotating shaft of the rotating member 12 to form a mounting platform 120 directly above the tilting end of the armature 11, and the mounting platform 120 is provided with a screw hole for mounting the adjusting screw 14. 121. The adjusting screw 14 passes through the screw hole 121 of the rotating member 12, and its tip end portion abuts against the armature 11.
优选地，所述安装支架13包括垂直连接的第一安装板130和连接板132，所述连接板132上安装有凸轮21，第一安装板130凸出连接板132，且在凸出部分上枢转安装有位于凸轮21一侧的转动件12，凸轮21的转轴与转动件12的转轴相互垂直，所述转动件12的驱动端沿凸轮21的转轴轴向延伸形成抵接在凸轮21的驱动面上的从动头122。Preferably, the mounting bracket 13 includes a first mounting plate 130 and a connecting plate 132 that are vertically connected, and the connecting plate 132 is mounted with a cam 21, and the first mounting plate 130 protrudes from the connecting plate 132 and is on the protruding portion. The rotating member 12 on one side of the cam 21 is pivotally mounted. The rotating shaft of the cam 21 and the rotating shaft of the rotating member 12 are perpendicular to each other. The driving end of the rotating member 12 extends axially along the rotating shaft of the cam 21 to form abutment against the cam 21. The driven head 122 on the driving surface.
优选地，所述凸轮21的端面上绕凸轮21的转轴设有螺旋凸台210，螺旋凸台210的端面与位于螺旋凸台210两端之间的凸轮21的端面形成绕凸轮21的转轴一周的所述驱动面。Preferably, the end surface of the cam 21 is provided with a spiral boss 210 around the rotation axis of the cam 21. The end surface of the spiral boss 210 and the end surface of the cam 21 located between the two ends of the spiral boss 210 form a circumference around the rotation axis of the cam 21. The drive surface.
优选地，所述连接板132的一端连接有第一安装板130，连接板132的另一端连接有与第一安装板130平行的第二安装板131，所述第一安装板130和第二安装板131的间隙里安装有铁芯10和衔铁11，铁芯10与衔铁11的弹性连接端位于连接板132的下方，且第一安装板130和第二安装板131分别匹配贴附固定在铁芯10的前后面上。Preferably, one end of the connecting plate 132 is connected with a first mounting plate 130, and the other end of the connecting plate 132 is connected with a second mounting plate 131 parallel to the first mounting plate 130, the first mounting plate 130 and the second The iron core 10 and the armature 11 are installed in the gap of the mounting plate 131. The elastic connecting end of the iron core 10 and the armature 11 is located below the connecting plate 132, and the first mounting plate 130 and the second mounting plate 131 are respectively matched and fixed. The front and rear faces of the iron core 10.
优选地，所述第二安装板131为与铁芯10匹配的U形结构，连接板132连接在U形的第二安装板131的一侧壁端部上，连接板132的端部设有固定凸起132a，所述第一安装板130通过设有与固定凸起132a相配合的固定孔与连接板132卡扣连接。Preferably, the second mounting plate 131 is a U-shaped structure matched with the iron core 10, and the connecting plate 132 is connected to a side wall end of the U-shaped second mounting plate 131, and the end of the connecting plate 132 is provided. The fixing protrusion 132a is fastened to the connecting plate 132 by a fixing hole provided with the fixing protrusion 132a.
优选地，所述铁芯10为U形结构，衔铁11安装在U形的铁芯10端口上，衔铁11的一端抵接在U形的铁芯10的一侧壁上，且通过复位弹簧15与铁芯10
弹性连接，衔铁11的另一端与U形的铁芯10的另一侧壁相间隔。Preferably, the iron core 10 has a U-shaped structure, and the armature 11 is mounted on the U-shaped iron core 10 port. One end of the armature 11 abuts on a side wall of the U-shaped iron core 10, and passes through the return spring 15 With iron core 10
Elastically connected, the other end of the armature 11 is spaced apart from the other side wall of the U-shaped core 10.
优选地，所述联动杆16为条形片状结构，设置在各电磁机构1的转动件12的上方，且各电磁机构1的转动件12分别通过铆钉17与联动杆16固定连接，所述转动件12的中部朝上延伸形成贴附在联动杆16上的连接片123，铆钉17穿过转动件12的连接片123和联动杆16将转动件12与联动杆16铆接固定。Preferably, the linkage rod 16 is a strip-shaped sheet structure disposed above the rotating member 12 of each electromagnetic mechanism 1, and the rotating members 12 of the electromagnetic mechanisms 1 are fixedly connected to the linkage rod 16 by rivets 17, respectively. The middle portion of the rotating member 12 extends upward to form a connecting piece 123 attached to the interlocking rod 16, and the rivet 17 passes through the connecting piece 123 of the rotating member 12 and the interlocking rod 16 to rive and fix the rotating member 12 and the interlocking rod 16.
本发明的塑壳断路器的电磁装置，通过驱动连接的凸轮和转动件相互配合，实现灵活可调衔铁与铁芯之间的气隙大小，可有效避免磁饱和的现象，达到同一电磁结构适用于不同电流规格，扩大电磁装置的整定电流范围，适用范围广，同时凸轮和转动件的驱动结构简单且可靠，调节简单方便，便于灵活调节。The electromagnetic device of the molded case circuit breaker of the invention is matched with the cam and the rotating member of the driving connection, thereby realizing the air gap between the flexible adjustable armature and the iron core, thereby effectively avoiding the phenomenon of magnetic saturation and achieving the same electromagnetic structure. In different current specifications, the range of the setting current of the electromagnetic device is expanded, and the application range is wide. At the same time, the driving structure of the cam and the rotating member is simple and reliable, the adjustment is simple and convenient, and the flexible adjustment is convenient.
图1是本发明的塑壳断路器的局部结构示意图；1 is a partial structural schematic view of a molded case circuit breaker of the present invention;
图2是本发明的电磁装置的结构示意图；Figure 2 is a schematic structural view of an electromagnetic device of the present invention;
图3是本发明的图2中的局部放大图；Figure 3 is a partial enlarged view of Figure 2 of the present invention;
图4是本发明的转动件的结构示意图。Figure 4 is a schematic view showing the structure of a rotary member of the present invention.
以下结合附图1至4给出的实施例，进一步说明本发明的塑壳断路器的电磁装置的具体实施方式。本发明的塑壳断路器的电磁装置不限于以下实施例的描述。The specific embodiment of the electromagnetic device of the molded case circuit breaker of the present invention will be further described below with reference to the embodiments given in Figs. The electromagnetic device of the molded case circuit breaker of the present invention is not limited to the description of the following embodiments.
如图1和图2所示，本发明的塑壳断路器的电磁装置，包括驱动连接的电磁机构1和调节机构2，电磁机构1包括铁芯10、衔铁11、转动件12和安装支架13，衔铁11与断路器的牵引杆3连接，用于带动断路器短路脱扣，衔铁11的一端弹性连接在铁芯10上，衔铁11的另一端可翘起与铁芯10之间形成气隙，调节机构2的凸轮21安装在安装支架13上，转动件12的中部枢转安装在安装支架13上位于衔铁11的上方，位于转动件12两端的驱动端和触发端分别设置在凸轮21的驱动面和衔铁11的翘起端上；调节机构2的凸轮21旋转，带动电磁机构1的转动件12的两端以中部为运动支点做跷跷板式上下摆动，转动件12的触发端驱使衔铁11的翘起端能够相对于铁芯10上下移动以调节衔铁11与铁
芯10之间的气隙大小。气隙是指在铁芯与衔铁的交合处留的缝隙，气隙的作用是减小磁导率，使线圈特性较少地依赖于磁芯材料的起始磁导率。通过驱动连接的凸轮和转动件相互配合，实现灵活可调衔铁与铁芯之间的气隙大小，可有效避免磁饱和的现象，达到同一电磁结构适用于不同电流规格，扩大电磁装置的整定电流范围，适用范围广，同时凸轮和转动件的驱动结构简单且可靠，调节简单方便，便于灵活调节。As shown in FIGS. 1 and 2, the electromagnetic device of the molded case circuit breaker of the present invention comprises an electromagnetic mechanism 1 and an adjustment mechanism 2 for driving connection, and the electromagnetic mechanism 1 includes a core 10, an armature 11, a rotating member 12 and a mounting bracket 13 The armature 11 is connected to the drawbar 3 of the circuit breaker for driving the circuit breaker to be short-circuited. One end of the armature 11 is elastically connected to the iron core 10, and the other end of the armature 11 can be lifted to form an air gap with the iron core 10. The cam 21 of the adjusting mechanism 2 is mounted on the mounting bracket 13, and the middle portion of the rotating member 12 is pivotally mounted on the mounting bracket 13 above the armature 11, and the driving end and the triggering end at the two ends of the rotating member 12 are respectively disposed on the cam 21. The driving surface and the tilting end of the armature 11; the cam 21 of the adjusting mechanism 2 rotates, and the two ends of the rotating member 12 of the electromagnetic mechanism 1 are driven to swing up and down with the middle portion as a moving fulcrum, and the trigger end of the rotating member 12 drives the armature 11 The lifted end can move up and down with respect to the iron core 10 to adjust the armature 11 and the iron
The size of the air gap between the cores 10. The air gap refers to the gap left at the intersection of the core and the armature. The role of the air gap is to reduce the magnetic permeability, so that the coil characteristics are less dependent on the initial permeability of the core material. The cam and the rotating member of the driving connection cooperate with each other to realize the air gap between the flexible adjustable armature and the iron core, thereby effectively avoiding the phenomenon of magnetic saturation, achieving the same electromagnetic structure suitable for different current specifications, and expanding the setting current of the electromagnetic device. The range is wide, and the driving structure of the cam and the rotating member is simple and reliable, the adjustment is simple and convenient, and the flexible adjustment is convenient.
如图1和图2所示，电磁机构1的数量为至少两个，其中至少有一个电磁机构1与调节机构2驱动连接，各电磁机构1并排设置，且各电磁机构1的转动件12之间通过联动杆16联动连接，各电磁机构1的衔铁11均与断路器的牵引杆3连接。如图1和图2的实施例，其它的电磁机构1依次并排设置在与调节机构2驱动连接的电磁机构1的一侧，凸轮21旋转时，带动与调节机构2驱动连接的电磁机构1的转动件12转动，从而该转动件12通过联动杆16拉动或推动其它的电磁机构1的转动件12同步转动。通过同一调节机构实现断路器电磁脱扣装置的多相电磁调节，达到断路器的脱扣电流整体整定的效果，结构简单紧凑，动作同步一致，提高安全可靠性。具体地，如图3和图4所示，联动杆16为条形片状结构，设置在各电磁机构1的转动件12的上方，且各电磁机构1的转动件12分别通过铆钉17与联动杆16固定连接，转动件12的中部朝上延伸形成贴附在联动杆16上的连接片123，铆钉17穿过转动件12的连接片123和联动杆16将转动件12与联动杆16铆接固定，使得铆钉17设置在转动件12的转轴的正上方，大大提高各电磁机构之间的联动同步性和一致性。电磁机构1的数量优选为三个，调节机构2的数量优选为一个，以实现同一调节机构借助联动杆可达到三相同时调节的效果。调节机构2的凸轮21转动时，与调节机构2连接的电磁机构1的转动件12由凸轮21驱动，同时带动联动杆16和衔铁11动作，其它的电磁机构1的转动件12则是由联动杆16驱动。As shown in FIG. 1 and FIG. 2, the number of the electromagnetic mechanisms 1 is at least two, at least one of the electromagnetic mechanisms 1 is drivingly connected to the adjusting mechanism 2, and the electromagnetic mechanisms 1 are arranged side by side, and the rotating members 12 of the electromagnetic mechanisms 1 are The linkages of the respective electromagnetic mechanisms 1 are connected to the drawbars 3 of the circuit breaker by the linkage of the linkage rods 16. 1 and 2, the other electromagnetic mechanisms 1 are arranged side by side on the side of the electromagnetic mechanism 1 that is drivingly connected to the adjustment mechanism 2, and when the cam 21 rotates, the electromagnetic mechanism 1 that is drivingly connected to the adjustment mechanism 2 is driven. The rotating member 12 is rotated, so that the rotating member 12 is pulled by the interlocking lever 16 or pushes the rotating member 12 of the other electromagnetic mechanism 1 to rotate synchronously. Through the same adjustment mechanism, the multi-phase electromagnetic adjustment of the electromagnetic tripping device of the circuit breaker is realized, and the overall setting of the tripping current of the circuit breaker is achieved, the structure is simple and compact, the movements are synchronized, and the safety and reliability are improved. Specifically, as shown in FIG. 3 and FIG. 4, the interlocking rod 16 is a strip-shaped sheet structure, which is disposed above the rotating member 12 of each electromagnetic mechanism 1, and the rotating members 12 of the electromagnetic mechanisms 1 are respectively linked by the rivets 17. The rod 16 is fixedly connected, and the middle portion of the rotating member 12 extends upward to form a connecting piece 123 attached to the linkage rod 16. The rivet 17 passes through the connecting piece 123 of the rotating member 12 and the linkage rod 16 to rive the rotating member 12 and the linkage rod 16 The fixing is such that the rivet 17 is disposed directly above the rotating shaft of the rotating member 12, which greatly improves the linkage synchronization and consistency between the electromagnetic mechanisms. The number of electromagnetic mechanisms 1 is preferably three, and the number of adjustment mechanisms 2 is preferably one, so that the same adjustment mechanism can achieve the effect of simultaneous adjustment of three phases by means of the linkage rod. When the cam 21 of the adjusting mechanism 2 rotates, the rotating member 12 of the electromagnetic mechanism 1 connected to the adjusting mechanism 2 is driven by the cam 21, and at the same time, the interlocking lever 16 and the armature 11 are actuated, and the rotating members 12 of the other electromagnetic mechanisms 1 are interlocked. The rod 16 is driven.
如图2所示，本发明的电磁装置的铁芯结构，铁芯10为U形结构，衔铁11安装在U形的铁芯10端口上，衔铁11的一端抵接在U形的铁芯10的一侧壁上，且通过复位弹簧15与铁芯10弹性连接，衔铁11的另一端与U形的铁芯10的另一侧壁相间隔以形成改变磁导率的气隙。As shown in FIG. 2, in the iron core structure of the electromagnetic device of the present invention, the iron core 10 has a U-shaped structure, the armature 11 is mounted on the U-shaped iron core 10 port, and one end of the armature 11 abuts against the U-shaped iron core 10 On one side wall, and elastically connected to the iron core 10 by a return spring 15, the other end of the armature 11 is spaced apart from the other side wall of the U-shaped iron core 10 to form an air gap which changes the magnetic permeability.
如图2所示，本发明的调节机构的手动调节结构，凸轮21通过调节杆22
安装在安装支架13上，调节杆22的一端上套装有凸轮21且安装在安装支架13上，使得凸轮21安放在安装支架13上，调节杆22的另一端连接有调节旋钮23，用于手动旋转凸轮21。调节旋钮23的端面上开设有螺丝刀槽，以便于借助螺丝刀实现手动旋转，操作方便省力，该螺丝刀槽可以是一字形或十字形。本实施例带动凸轮的旋转结构采用手动式，当然凸轮也可以连接有电动式的旋转装置。优选为手动式，凸轮需要旋转的角度小，手动式更简单方便，提高可控性和可靠性，节省生产成本。As shown in FIG. 2, the manual adjustment structure of the adjustment mechanism of the present invention, the cam 21 passes the adjustment rod 22
Mounted on the mounting bracket 13, one end of the adjusting rod 22 is fitted with a cam 21 and mounted on the mounting bracket 13, so that the cam 21 is placed on the mounting bracket 13, and the other end of the adjusting rod 22 is connected with an adjusting knob 23 for manual operation. Rotate the cam 21. A screwdriver slot is formed on the end surface of the adjusting knob 23 to facilitate manual rotation by means of a screwdriver, which is convenient and labor-saving, and the screwdriver slot can be in a shape of a letter or a cross. In this embodiment, the rotating structure of the driving cam is manual, and of course, the cam can also be connected with an electric rotating device. Preferably, the manual type, the cam needs to rotate at a small angle, the manual type is simpler and more convenient, improves controllability and reliability, and saves production cost.
如图3和图4所示，本发明的转动件作用于衔铁的结构，转动件12的触发端沿转动件12的转轴轴向延伸形成位于衔铁11的翘起端正上方的安装平台120，安装平台120上开设有用于安装调节螺钉14的螺钉孔121，调节螺钉14穿过转动件12的螺钉孔121，其尖端部与衔铁11相抵接。选用螺母作为将调节螺钉14固定在转动件12的安装平台120上的紧固件，以实现可以微调调节螺钉14的尖端与衔铁11的间距。当然，作用于衔铁11的结构也可以是转动件12的触发端上成型或固定安装有与衔铁11相抵接的调节压块，本实施例的调节螺钉可调节安装在转动件上的结构，可微调调节螺钉与衔铁之间的距离，方便调试，灵活度和可靠性更高。As shown in FIG. 3 and FIG. 4, the rotating member of the present invention acts on the structure of the armature, and the trigger end of the rotating member 12 extends axially along the rotating shaft of the rotating member 12 to form a mounting platform 120 directly above the tilting end of the armature 11, and is mounted. The platform 120 is provided with a screw hole 121 for mounting the adjusting screw 14, and the adjusting screw 14 passes through the screw hole 121 of the rotating member 12, and the tip end thereof abuts against the armature 11. A nut is selected as a fastener for fixing the adjusting screw 14 to the mounting platform 120 of the rotating member 12, so that the distance between the tip end of the adjusting screw 14 and the armature 11 can be finely adjusted. Of course, the structure of the armature 11 may also be formed on the trigger end of the rotating member 12 or fixedly mounted with an adjusting pressure block that abuts the armature 11. The adjusting screw of the embodiment can adjust the structure mounted on the rotating member. Fine-tune the distance between the adjusting screw and the armature for easy commissioning, flexibility and reliability.
如图2和图3所示，本发明的安装支架，安装支架13包括垂直连接的第一安装板130和连接板132，连接板132上安装有凸轮21，第一安装板130凸出连接板132，且在凸出部分上枢转安装有位于凸轮21一侧的转动件12，凸轮21的转轴与转动件12的转轴相互垂直，转动件12的驱动端沿凸轮21的转轴轴向延伸形成抵接在凸轮21的驱动面上的从动头122。当然，凸轮21的转轴与转动件12的转轴也可以是相互平行，凸轮21的圆周面为曲面作为与转动件12配合的驱动面，相较于此结构设计，本实施例的凸轮与转动件的配合结构，实现从动头可以稳定地停留在凸轮的驱动面上，保障调节稳定可靠，结构更加简单紧凑，方便装配，避免干涉其它零件的布设，利于整体布局紧凑合理。进一步地，凸轮21的端面上绕凸轮21的转轴设有螺旋凸台210，螺旋凸台210的端面与位于螺旋凸台210两端之间的凸轮21的端面形成绕凸轮21的转轴一周的驱动面。螺旋凸台的设置，便于调节过程平稳有序，提高可靠性。此外，连接板132的一端连接有第一安装板130，连接板132的另一端连接有与第一安装板130平行
的第二安装板131，第一安装板130和第二安装板131的间隙里安装有铁芯10和衔铁11，铁芯10与衔铁11的弹性连接端位于连接板132的正下方，且第一安装板130和第二安装板131分别匹配贴附固定在铁芯10的前后面上。安装支架的设置，起到双重作用，既方便转动件和凸轮的安装，也对铁芯结构起到保护和隔离的作用，结构简单，布局紧凑，节省占用空间，提高可靠性。而且，第二安装板131为与铁芯10匹配的U形结构，连接板132一体连接在U形的第二安装板131的一侧壁端部上，连接板132的端部设有固定凸起132a，第一安装板130通过设有与固定凸起132a相配合的固定孔与连接板132卡扣连接。结构简单稳固，方便安装。As shown in FIG. 2 and FIG. 3, the mounting bracket 13 of the present invention includes a first mounting plate 130 and a connecting plate 132 that are vertically connected. The connecting plate 132 is mounted with a cam 21, and the first mounting plate 130 protrudes from the connecting plate. 132, and a rotating member 12 on one side of the cam 21 is pivotally mounted on the protruding portion. The rotating shaft of the cam 21 and the rotating shaft of the rotating member 12 are perpendicular to each other, and the driving end of the rotating member 12 extends axially along the rotating shaft of the cam 21. The driven head 122 abuts on the driving surface of the cam 21. Of course, the rotating shaft of the cam 21 and the rotating shaft of the rotating member 12 may also be parallel to each other, and the circumferential surface of the cam 21 is a curved surface as a driving surface for engaging with the rotating member 12. Compared with the structural design, the cam and the rotating member of the embodiment The matching structure enables the follower head to stably stay on the driving surface of the cam, ensuring stable and reliable adjustment, simple and compact structure, convenient assembly, avoiding interference with other parts, and facilitating the overall layout to be compact and reasonable. Further, the end surface of the cam 21 is provided with a spiral boss 210 around the rotation axis of the cam 21. The end surface of the spiral boss 210 and the end surface of the cam 21 located between both ends of the spiral boss 210 form a driving around the rotation axis of the cam 21. surface. The arrangement of the spiral boss facilitates the smooth and orderly adjustment process and improves reliability. In addition, one end of the connecting plate 132 is connected to the first mounting plate 130, and the other end of the connecting plate 132 is connected in parallel with the first mounting plate 130.
The second mounting plate 131, the gap between the first mounting plate 130 and the second mounting plate 131 is mounted with a core 10 and an armature 11, and the elastic connecting end of the iron core 10 and the armature 11 is located directly below the connecting plate 132, and A mounting plate 130 and a second mounting plate 131 are respectively attached and fixed to the front and rear faces of the iron core 10. The setting of the mounting bracket plays a dual role, which not only facilitates the installation of the rotating member and the cam, but also protects and isolates the iron core structure, has a simple structure, a compact layout, saves space and improves reliability. Moreover, the second mounting plate 131 is a U-shaped structure matched with the iron core 10, and the connecting plate 132 is integrally connected to one side end portion of the U-shaped second mounting plate 131, and the end portion of the connecting plate 132 is provided with a fixing convex portion. From 132a, the first mounting plate 130 is snap-connected to the connecting plate 132 by being provided with a fixing hole that cooperates with the fixing protrusion 132a. The structure is simple and stable, and it is easy to install.
本发明的动作过程，如图2所示，凸轮21顺时针旋转，带动与调节机构2驱动连接的电磁机构1的转动件12转动，该转动件12的从动头122向上摆动，安装在该转动件12的安装平台120上的调节螺钉14同步向下摆动下压衔铁11的翘起端，同时该转动件12的连接片123也同步向下摆动带动联动杆16，从而拉动其它的电磁机构1的转动件12同步转动对各自的衔铁11的翘起端做下压动作。In the operation process of the present invention, as shown in FIG. 2, the cam 21 rotates clockwise to drive the rotating member 12 of the electromagnetic mechanism 1 that is drivingly connected to the adjusting mechanism 2 to rotate. The follower head 122 of the rotating member 12 swings upward and is mounted thereon. The adjusting screw 14 on the mounting platform 120 of the rotating member 12 synchronously swings downward to lower the raised end of the armature 11, and the connecting piece 123 of the rotating member 12 also oscillates downwardly to drive the interlocking rod 16, thereby pulling other electromagnetic mechanisms. The rotating members 12 of 1 rotate in synchronism to press the raised ends of the respective armatures 11.
以上内容是结合具体的优选实施方式对本发明所作的进一步详细说明，不能认定本发明的具体实施只局限于这些说明。对于本发明所属技术领域的普通技术人员来说，在不脱离本发明构思的前提下，还可以做出若干简单推演或替换，都应当视为属于本发明的保护范围。
The above is a further detailed description of the present invention in connection with the specific preferred embodiments, and the specific embodiments of the present invention are not limited to the description. It will be apparent to those skilled in the art that the present invention may be made without departing from the spirit and scope of the invention.
Claims (10)
- 一种塑壳断路器的电磁装置，其特征在于：包括驱动连接的电磁机构(1)和调节机构(2)，所述电磁机构(1)包括铁芯(10)、衔铁(11)、转动件(12)和安装支架(13)，所述衔铁(11)与断路器的牵引杆(3)连接，用于带动断路器短路脱扣，衔铁(11)的一端弹性连接在铁芯(10)上，衔铁(11)的另一端翘起与铁芯(10)之间形成气隙，所述调节机构(2)的凸轮(21)安装在安装支架(13)上，所述转动件(12)的中部枢转安装在安装支架(13)上位于衔铁(11)的上方，位于转动件(12)两端的驱动端和触发端分别设置在凸轮(21)的驱动面和衔铁(11)的翘起端上；调节机构(2)的凸轮(21)旋转，带动电磁机构(1)的转动件(12)的两端以中部为运动支点做上下摆动，转动件(12)的触发端驱使衔铁(11)的翘起端能够相对于铁芯(10)上下移动。An electromagnetic device for a molded case circuit breaker, comprising: an electromagnetic mechanism (1) for driving connection and an adjustment mechanism (2), the electromagnetic mechanism (1) comprising an iron core (10), an armature (11), and a rotation And the mounting bracket (13), the armature (11) is connected with the drawbar (3) of the circuit breaker for driving the circuit breaker to be short-circuited, and one end of the armature (11) is elastically connected to the iron core (10) Above, the other end of the armature (11) is lifted to form an air gap with the iron core (10), and the cam (21) of the adjusting mechanism (2) is mounted on the mounting bracket (13), the rotating member ( 12) The central pivot is mounted on the mounting bracket (13) above the armature (11), and the driving end and the triggering end at the two ends of the rotating member (12) are respectively disposed on the driving surface of the cam (21) and the armature (11) On the tilting end; the cam (21) of the adjusting mechanism (2) rotates, and both ends of the rotating member (12) of the electromagnetic mechanism (1) are oscillated up and down with the middle portion as a moving fulcrum, and the trigger end of the rotating member (12) The raised end of the armature (11) is driven to move up and down relative to the core (10).
- 根据权利要求1所述的塑壳断路器的电磁装置，其特征在于：所述电磁机构(1)的数量为至少两个，其中至少有一个电磁机构(1)与所述调节机构(2)驱动连接，各电磁机构(1)并排设置，且各电磁机构(1)的转动件(12)之间通过联动杆(16)联动连接，各电磁机构(1)的衔铁(11)均与断路器的牵引杆(3)连接。The electromagnetic device of a molded case circuit breaker according to claim 1, characterized in that the number of the electromagnetic mechanisms (1) is at least two, wherein at least one electromagnetic mechanism (1) and the adjustment mechanism (2) Drive connection, each electromagnetic mechanism (1) is arranged side by side, and the rotating parts (12) of each electromagnetic mechanism (1) are connected by a linkage rod (16), and the armatures (11) of each electromagnetic mechanism (1) are disconnected The drawbar (3) of the device is connected.
- 根据权利要求1或2所述的塑壳断路器的电磁装置，其特征在于：所述凸轮(21)通过调节杆(22)安装在安装支架(13)上，所述调节杆(22)的一端上套装有凸轮(21)且安装在安装支架(13)上，调节杆(22)的另一端连接有调节旋钮(23)，用于手动旋转凸轮(21)。The electromagnetic device of a molded case circuit breaker according to claim 1 or 2, characterized in that the cam (21) is mounted on a mounting bracket (13) via an adjusting lever (22), the adjusting lever (22) A cam (21) is fitted on one end and mounted on the mounting bracket (13), and the other end of the adjusting lever (22) is connected with an adjusting knob (23) for manually rotating the cam (21).
- 根据权利要求1或2所述的塑壳断路器的电磁装置，其特征在于：所述转动件(12)的触发端沿转动件(12)的转轴轴向延伸形成位于衔铁(11)的翘起端正上方的安装平台(120)，所述安装平台(120)上开设有用于安装调节螺钉(14)的螺钉孔(121)，所述调节螺钉(14)穿过转动件(12)的螺钉孔(121)，其尖端部与衔铁(11)相抵接。The electromagnetic device of a molded case circuit breaker according to claim 1 or 2, characterized in that the trigger end of the rotating member (12) extends axially along the rotating shaft of the rotating member (12) to form an armature of the armature (11). a mounting platform (120) directly above the starting end, the mounting platform (120) is provided with a screw hole (121) for mounting an adjusting screw (14), and the adjusting screw (14) passes through a screw of the rotating member (12) The hole (121) has a tip end portion that abuts the armature (11).
- 根据权利要求1或2所述的塑壳断路器的电磁装置，其特征在于：所述安装支架(13)包括垂直连接的第一安装板(130)和连接板(132)，所述连接板(132)上安装有凸轮(21)，第一安装板(130)凸出连接板(132)，且在凸 出部分上枢转安装有位于凸轮(21)一侧的转动件(12)，凸轮(21)的转轴与转动件(12)的转轴相互垂直，所述转动件(12)的驱动端沿凸轮(21)的转轴轴向延伸形成抵接在凸轮(21)的驱动面上的从动头(122)。The electromagnetic device of a molded case circuit breaker according to claim 1 or 2, wherein the mounting bracket (13) comprises a first mounting plate (130) and a connecting plate (132) that are vertically connected, the connecting plate (132) is mounted with a cam (21), the first mounting plate (130) protrudes from the connecting plate (132), and is convex The rotating portion (12) on one side of the cam (21) is pivotally mounted on the output portion. The rotating shaft of the cam (21) and the rotating shaft of the rotating member (12) are perpendicular to each other, and the driving end of the rotating member (12) is along the cam. The shaft of (21) extends axially to form a follower head (122) that abuts against the driving surface of the cam (21).
- 根据权利要求5所述的塑壳断路器的电磁装置，其特征在于：所述凸轮(21)的端面上绕凸轮(21)的转轴设有螺旋凸台(210)，螺旋凸台(210)的端面与位于螺旋凸台(210)两端之间的凸轮(21)的端面形成绕凸轮(21)的转轴一周的所述驱动面。The electromagnetic device of a molded case circuit breaker according to claim 5, characterized in that: the end surface of the cam (21) is provided with a spiral boss (210) around the rotating shaft of the cam (21), and the spiral boss (210) The end faces of the cams (21) between the end faces of the spiral bosses (210) form the drive faces that are wound around the axis of rotation of the cam (21).
- 根据权利要求5所述的塑壳断路器的电磁装置，其特征在于：所述连接板(132)的一端连接有第一安装板(130)，连接板(132)的另一端连接有与第一安装板(130)平行的第二安装板(131)，所述第一安装板(130)和第二安装板(131)的间隙里安装有铁芯(10)和衔铁(11)，铁芯(10)与衔铁(11)的弹性连接端位于连接板(132)的下方，且第一安装板(130)和第二安装板(131)分别匹配贴附固定在铁芯(10)的前后面上。The electromagnetic device of the molded case circuit breaker according to claim 5, wherein one end of the connecting plate (132) is connected with a first mounting plate (130), and the other end of the connecting plate (132) is connected with the first a second mounting plate (131) parallel to the mounting plate (130), and a core (10) and an armature (11) are mounted in the gap between the first mounting plate (130) and the second mounting plate (131), iron The elastic connecting end of the core (10) and the armature (11) is located below the connecting plate (132), and the first mounting plate (130) and the second mounting plate (131) are respectively matched and fixed to the iron core (10). Front and rear faces.
- 根据权利要求7所述的塑壳断路器的电磁装置，其特征在于：所述第二安装板(131)为与铁芯(10)匹配的U形结构，连接板(132)连接在U形的第二安装板(131)的一侧壁端部上，连接板(132)的端部设有固定凸起(132a)，所述第一安装板(130)通过设有与固定凸起(132a)相配合的固定孔与连接板(132)卡扣连接。The electromagnetic device of a molded case circuit breaker according to claim 7, wherein the second mounting plate (131) is a U-shaped structure matched with the iron core (10), and the connecting plate (132) is connected to the U shape. On one side wall end of the second mounting plate (131), the end of the connecting plate (132) is provided with a fixing protrusion (132a), and the first mounting plate (130) is provided with a fixing protrusion ( 132a) The mating fixing holes are snap-fitted to the connecting plate (132).
- 根据权利要求1所述的塑壳断路器的电磁装置，其特征在于：所述铁芯(10)为U形结构，衔铁(11)安装在U形的铁芯(10)端口上，衔铁(11)的一端抵接在U形的铁芯(10)的一侧壁上，且通过复位弹簧(15)与铁芯(10)弹性连接，衔铁(11)的另一端与U形的铁芯(10)的另一侧壁相间隔。The electromagnetic device of a molded case circuit breaker according to claim 1, wherein the iron core (10) has a U-shaped structure, and the armature (11) is mounted on the U-shaped iron core (10) port, and the armature ( One end of 11) abuts on a side wall of the U-shaped iron core (10), and is elastically connected to the iron core (10) through a return spring (15), and the other end of the armature (11) and the U-shaped iron core The other side wall of (10) is spaced apart.
- 根据权利要求2所述的塑壳断路器的电磁装置，其特征在于：所述联动杆(16)为条形片状结构，设置在各电磁机构(1)的转动件(12)的上方，且各电磁机构(1)的转动件(12)分别通过铆钉(17)与联动杆(16)固定连接，所述转动件(12)的中部朝上延伸形成贴附在联动杆(16)上的连接片(123)，铆钉(17)穿过转动件(12)的连接片(123)和联动杆(16)将转动件(12)与联动杆(16)铆接固定。 The electromagnetic device of a molded case circuit breaker according to claim 2, wherein the linkage rod (16) is a strip-shaped sheet structure disposed above the rotating member (12) of each electromagnetic mechanism (1), And the rotating member (12) of each electromagnetic mechanism (1) is fixedly connected to the linkage rod (16) by a rivet (17), and the middle portion of the rotating member (12) extends upward to form a sticker attached to the linkage rod (16). The connecting piece (123), the rivet (17) passes through the connecting piece (123) of the rotating member (12) and the linkage rod (16) to rive the rotating member (12) with the linkage rod (16).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610390164.9A CN107464730A (en) | 2016-06-02 | 2016-06-02 | The calutron of breaker of plastic casing |
| CN201610390164.9 | 2016-06-02 |
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| WO2017206426A1 true WO2017206426A1 (en) | 2017-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2016/103108 WO2017206426A1 (en) | 2016-06-02 | 2016-10-24 | Electromagnetic device for molded case circuit breaker |
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| Country | Link |
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| CN (1) | CN107464730A (en) |
| WO (1) | WO2017206426A1 (en) |
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| CN107464730A (en) | 2017-12-12 |
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