High-speed mechanical switch

Abstract

The embodiment of the invention provides a high-speed mechanical switch, and relates to the technical field of low-voltage electric appliances. The high-speed mechanical switch comprises a shell, a static contact structure, a moving contact structure, a driving mechanism and a holding mechanism, the shell comprises a base and an upper cover which are connected, and the base is provided with a first mounting groove; the static contact structure is at least partially arranged between the base and the upper cover, the moving contact structure comprises a moving contact and a contact seat, and the moving contact and the contact seat are both slidably arranged in the first mounting groove; the driving mechanism is at least partially arranged in the first mounting groove and is used for driving the moving contact structure to be in contact with or separated from the static contact structure; and the retaining mechanism is arranged in the first mounting groove and is used for keeping the moving contact structure and the static contact structure in a contact or separation state. The high-speed mechanical switch is small in size and can realize miniaturization design, so that the production cost is reduced, the high-speed mechanical switch can be conveniently applied to a scene with a limited installation space, and the switching-on and switching-off stability is high.

Description

Technical Field

[0001] This invention relates to the field of low-voltage electrical technology, and more specifically, to a high-speed mechanical switch. Background Technology

[0002] High-speed mechanical switches are electrical appliances used to quickly connect or disconnect circuits. Compared with ordinary mechanical switches, they have outstanding advantages in high-speed opening and closing operations and high current / high voltage carrying capacity. They are usually used in industrial or scientific research fields where there are strict requirements for opening and closing speed.

[0003] However, existing high-speed mechanical switches are bulky, which not only leads to high production costs but also limits their application scenarios. Summary of the Invention

[0004] The purpose of this invention is to provide a high-speed mechanical switch that can achieve miniaturization, reduce production costs, and is easy to use in installation space-constrained scenarios.

[0005] The embodiments of the present invention are implemented as follows: An embodiment of the present invention provides a high-speed mechanical switch, comprising: The housing includes a base and a top cover connected together, and the base has a first mounting groove; A stationary contact structure, wherein the stationary contact structure is at least partially disposed between the base and the upper cover; A moving contact structure, comprising a moving contact and a contact seat, wherein both the moving contact and the contact seat are slidably disposed in the first mounting groove; A driving mechanism, at least partially disposed in the first mounting groove, for driving the moving contact structure to slide relative to the base, so that the moving contact structure contacts or separates from the stationary contact structure; and A retaining mechanism is disposed in the first mounting groove and connected to the moving contact structure. The retaining mechanism is used to apply a force to the moving contact structure so that the moving contact structure and the stationary contact structure are kept in the contact state or the separated state. The moving contact, the contact seat, and the driving mechanism are arranged sequentially along the height direction of the housing.

[0006] In an optional embodiment, the retaining mechanism is connected to the contact seat, and the contact seat is an insulating component; The moving contact is fixedly connected to the contact seat; or, the moving contact structure further includes a first elastic element, which is disposed between the moving contact and the contact seat, and both ends of the first elastic element are respectively connected to the moving contact and the contact seat.

[0007] In an optional embodiment, the high-speed mechanical switch further includes a guide shaft, the two ends of which are connected to the base and the top cover, respectively. The moving contact, the contact seat, and the drive mechanism are all sleeved on the guide shaft and can move along the axial direction of the guide shaft. The driving mechanism includes a repulsion disk, and the moving contact, the contact seat, and the repulsion disk are sequentially arranged and fixed together along the height direction of the housing.

[0008] In an optional embodiment, the driving mechanism includes a tripping coil, a repulsion disk, and a closing coil. The repulsion disk and the closing coil are both disposed in the first mounting groove. The upper cover is provided with a second mounting groove on the side near the base, and the tripping coil is disposed in the second mounting groove. The upper cover, the trip coil, the moving contact, the contact seat, the repulsion disk, and the closing coil are arranged sequentially along the height direction of the housing, and the stationary contact structure is located on the side of the moving contact structure closer to the trip coil.

[0009] In an optional embodiment, the drive mechanism further includes a first buffer pad, which is disposed between the closing coil and the repulsion disk, and during opening, the first buffer pad simultaneously abuts against both the closing coil and the repulsion disk.

[0010] In an optional embodiment, the driving mechanism includes a tripping coil, a repulsion disk, and a closing coil. The tripping coil, the repulsion disk, and the closing coil are all disposed in the first mounting groove. The upper cover, the moving contact, the contact seat, the tripping coil, the repulsion disk, and the closing coil are arranged sequentially along the height direction of the housing, and the stationary contact structure is located on the side of the moving contact structure away from the tripping coil.

[0011] In an optional embodiment, the drive mechanism further includes a second buffer pad, which is disposed between the trip coil and the repulsion disk, and when the circuit is closed, the second buffer pad simultaneously abuts against both the trip coil and the repulsion disk.

[0012] In an optional embodiment, the stationary contact structure includes a first stationary contact, a second stationary contact, a second elastic element, and a third elastic element. The first stationary contact and the second stationary contact are spaced apart, and at least a portion of the first stationary contact and at least a portion of the second stationary contact are disposed between the base and the upper cover. The moving contact structure is used to simultaneously contact or separate from the first stationary contact and the second stationary contact. The second elastic element is disposed between the first stationary contact and the upper cover, and both ends of the second elastic element are respectively connected to the first stationary contact and the upper cover; the third elastic element is disposed between the second stationary contact and the upper cover, and both ends of the third elastic element are respectively connected to the second stationary contact and the upper cover.

[0013] In an optional embodiment, the first stationary contact includes a first rigid connection portion, a first flexible connection portion, and a second rigid connection portion connected in sequence and extending from inside the housing to outside the housing. The first rigid connection portion is connected to one end of the second elastic member, and the moving contact structure is used to contact or separate from the first rigid connection portion; and / or, The second stationary contact includes a third rigid connection portion, a second flexible connection portion, and a fourth rigid connection portion connected in sequence and extending from inside the housing to outside the housing. The third rigid connection portion is connected to one end of the third elastic member. The moving contact structure is used to contact or separate from the third rigid connection portion; and / or, The first stationary contact includes a plurality of stacked first copper foil sheets, and the second stationary contact includes a plurality of stacked second copper foil sheets; and / or, The first stationary contact comprises multiple strands of soft conductor, and the second stationary contact comprises multiple strands of soft conductor.

[0014] In an optional embodiment, the retaining mechanism includes at least two linkage assemblies and at least two fourth elastic elements, wherein the at least two linkage assemblies are spaced apart and are movably connected to the moving contact structure, and the fourth elastic elements are connected to the linkage assemblies.

[0015] In an optional embodiment, the linkage assembly includes a first rotating shaft, a second rotating shaft, and a connecting rod. The first rotating shaft is rotatably connected to the moving contact structure, the second rotating shaft is spaced apart from the first rotating shaft, and the second rotating shaft is movably connected to the base. The connecting rod is rotatably connected to both the first rotating shaft and the second rotating shaft. The fourth elastic element is connected to at least one of the first rotating shaft, the second rotating shaft, and the connecting rod.

[0016] In an optional embodiment, the fourth elastic element is a compression elastic element, one end of which is connected to the end of the connecting rod near the second rotating shaft, and the other end of which is connected to the base.

[0017] In an optional embodiment, the fourth elastic element is a tensile elastic element, one end of the first rotating shaft is connected to one end of the second rotating shaft through the tensile elastic element, and the other end of the first rotating shaft is connected to the other end of the second rotating shaft through the tensile elastic element.

[0018] In an optional embodiment, the fourth elastic element is a tension elastic element, and there are two of each of the connecting rod assembly and the fourth elastic element. One end of the second rotating shaft of the two connecting rod assemblies is connected through the fourth elastic element, and the other end of the second rotating shaft of the two connecting rod assemblies is connected through the fourth elastic element.

[0019] In an optional embodiment, the fourth elastic element is a compression elastic element, the contact seat has a second sliding groove, and the fourth elastic element is disposed in the second sliding groove; the number of the connecting rod assembly and the fourth elastic element are both two, the first rotating shafts of the two connecting rod assemblies are spaced apart in the second sliding groove, one end of the first rotating shafts of the two connecting rod assemblies is connected through the fourth elastic element, and the other end of the first rotating shafts of the two connecting rod assemblies is connected through the fourth elastic element.

[0020] The beneficial effects of the embodiments of the present invention include: The high-speed mechanical switch provided in this embodiment, by providing a first mounting groove on the base, allows the moving contact structure, drive mechanism, and holding mechanism to all be mounted on the base, reducing the overall size of the high-speed mechanical switch. Furthermore, by at least partially positioning the stationary contact structure between the base and the top cover, the height of the housing can also be reduced, further decreasing the overall size. This achieves a miniaturized design of the high-speed mechanical switch, lowers production costs, and facilitates application in space-constrained environments. Simultaneously, during the closing and opening process of the moving and stationary contact structures driven by the drive mechanism, the holding mechanism applies further force to the moving contact structure, making the contact between the moving and stationary contact structures more stable or the separation more thorough. This improves the stability of the high-speed mechanical switch during closing and opening, enhancing its safety. Attached Figure Description

[0021] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 This is a schematic diagram of the structure of a first high-speed mechanical switch provided in an embodiment of the present invention; Figure 2 An exploded view of the first type of high-speed mechanical switch provided in an embodiment of the present invention; Figure 3 A cross-sectional view of a first type of high-speed mechanical switch provided in an embodiment of the present invention; Figure 4 A cross-sectional view of a second type of high-speed mechanical switch provided in an embodiment of the present invention; Figure 5 This is a partial structural schematic diagram of the first type of high-speed mechanical switch provided in an embodiment of the present invention; Figure 6 A schematic diagram of the holding mechanism of a first high-speed mechanical switch provided in an embodiment of the present invention; Figure 7 This is a schematic diagram of the structure of a third type of high-speed mechanical switch provided in an embodiment of the present invention; Figure 8 This is a partial structural schematic diagram of the third type of high-speed mechanical switch provided in an embodiment of the present invention; Figure 9 A cross-sectional view of a third type of high-speed mechanical switch provided in an embodiment of the present invention; Figure 10 This is a schematic diagram of the structure of the fourth high-speed mechanical switch provided in an embodiment of the present invention; Figure 11 This is a partial structural schematic diagram of the fourth type of high-speed mechanical switch provided in an embodiment of the present invention; Figure 12 This is a schematic diagram of the structure of the fifth type of high-speed mechanical switch provided in an embodiment of the present invention; Figure 13 This is a partial structural schematic diagram of the fifth type of high-speed mechanical switch provided in an embodiment of the present invention.

[0023] Icons: 100-High-speed mechanical switch; 10-Housing; 11-Base; 111-First mounting slot; 12-Top cover; 121-Second mounting slot; 20-Stationary contact structure; 21-First stationary contact; 211-First rigid connection; 212-First flexible connection; 213-Second rigid connection; 22-Second stationary contact; 221-Third rigid connection; 222-Second flexible connection; 223-Fourth rigid connection; 23-Second elastic element; 24-... Three elastic elements; 30-moving contact structure; 31-moving contact; 32-contact seat; 321-first slide groove; 322-second slide groove; 33-first elastic element; 40-drive mechanism; 41-opening coil; 42-repulsion disk; 43-closing coil; 44-first buffer pad; 50-holding mechanism; 51-linkage assembly; 511-first rotating shaft; 512-second rotating shaft; 513-linkage; 514-sleeve; 52-fourth elastic element; 60-guide shaft. Detailed Implementation

[0024] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. The components of the embodiments of the present invention described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0025] Therefore, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the invention without inventive effort are within the scope of protection of the invention.

[0026] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0027] In the description of this invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this invention is in use. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this invention. In addition, the terms "first," "second," "third," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0028] Furthermore, terms such as "horizontal" and "vertical" do not imply that components must be absolutely horizontal or suspended, but rather that they can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal than "vertical," not that the structure must be completely horizontal, but can be slightly tilted.

[0029] In the description of this invention, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0030] As described in the background section, a high-speed mechanical switch is an electrical appliance used to quickly connect or disconnect a circuit. However, existing high-speed mechanical switches suffer from large size, which not only leads to high production costs but also limits their application scenarios.

[0031] Based on this, please refer to Figures 1-13 The present invention provides a high-speed mechanical switch 100, which effectively improves the aforementioned technical problems. Specifically, it enables miniaturized design, reduces production costs, and facilitates application in space-constrained environments. The high-speed mechanical switch 100 will be described in detail below.

[0032] Please refer to Figures 1-3 , Figure 1 This is a schematic diagram of the structure of the first high-speed mechanical switch 100 provided in this embodiment. Figure 2 This is an exploded view of the first type of high-speed mechanical switch 100 provided in this embodiment. Figure 3 This is a cross-sectional view of the first type of high-speed mechanical switch 100 provided in this embodiment, combined with... Figures 1-3 The high-speed mechanical switch 100 includes a housing 10, a stationary contact structure 20, a moving contact structure 30, a drive mechanism 40, and a holding mechanism 50.

[0033] Specifically, the housing 10 includes a base 11 and a top cover 12 connected together. The base 11 has a first mounting groove 111. The stationary contact structure 20 is at least partially disposed between the base 11 and the top cover 12. The moving contact structure 30 includes a moving contact 31 and a contact seat 32, both of which are slidably disposed in the first mounting groove 111. The driving mechanism 40 is at least partially disposed in the first mounting groove 111 and is used to drive the moving contact structure 30 to slide relative to the base 11, so that the moving contact structure 30 contacts or separates from the stationary contact structure 20. The holding mechanism 50 is disposed in the first mounting groove 111 and connected to the moving contact structure 30. The holding mechanism 50 is used to apply force to the moving contact structure 30 so that the moving contact structure 30 remains in contact with or separate from the stationary contact structure 20. The moving contact 31, the contact seat 32, and the driving mechanism 40 are arranged sequentially along the height direction of the housing 10.

[0034] It is easy to understand that by providing a first mounting groove 111 on the base 11, the moving contact structure 30, the drive mechanism 40, and the holding mechanism 50 can all be mounted on the base 11, reducing the overall size of the high-speed mechanical switch 100. Furthermore, by at least partially positioning the stationary contact structure 20 between the base 11 and the top cover 12, the height of the housing 10 can also be reduced, further decreasing the overall size. This achieves a miniaturized design of the high-speed mechanical switch 100, lowers production costs, and facilitates application in space-constrained environments. Simultaneously, during the closing and opening process of the moving contact structure 30 and the stationary contact structure 20 driven by the drive mechanism 40, the holding mechanism 50 applies further force to the moving contact structure 30, making the contact between the moving contact structure 30 and the stationary contact structure 20 more stable or the separation more thorough. This improves the stability of the high-speed mechanical switch 100 during closing and opening, enhancing its safety.

[0035] It should be noted that the height direction of the shell 10 mentioned above is... Figures 1-11 Direction A is shown in the figure. By sequentially arranging the top cover 12, stationary contact structure 20, moving contact 31, and contact seat 32 in the height direction of the housing 10, the height of the high-speed mechanical switch 100 can be further reduced, thereby reducing the overall volume, lowering production costs, and improving assembly adaptability.

[0036] It should be noted that for the small-volume high-speed mechanical switch 100, after frequent opening and closing, the contact surfaces of the moving contact 31 and the stationary contact structure 20 will both wear down. At this time, the overtravel will decrease, resulting in unstable closing of the moving and stationary contacts and affecting the service life.

[0037] Therefore, in order to compensate for the reduction in overtravel caused by wear, improve closing stability, and extend the service life of the switch, in this embodiment, the moving contact structure 30 further includes a first elastic element 33. Figure 9 As shown in the figure, the first elastic element 33 is disposed between the moving contact 31 and the contact seat 32, and the two ends of the first elastic element 33 are respectively connected to the moving contact 31 and the contact seat 32.

[0038] Understandably, the elastic force of the first elastic element 33 can absorb the energy generated when the moving contact 31 and the stationary contact structure 20 close, compensate for the reduction in overtravel, ensure stable closing, and thus extend the service life of the contact. Of course, in some other embodiments, the moving contact 31 can also be directly fixedly connected to the contact seat 32 to ensure the stability of the overall structure.

[0039] Please continue to combine Figures 1-3Specifically, the stationary contact structure 20 includes a first stationary contact 21 and a second stationary contact 22, which are spaced apart. At least a portion of the first stationary contact 21 and at least a portion of the second stationary contact 22 are disposed between the base 11 and the top cover 12. The moving contact structure 30 is used to simultaneously contact or separate from the first stationary contact 21 and the second stationary contact 22.

[0040] Similarly, to compensate for the reduced overtravel caused by wear between the first stationary contact 21, the second stationary contact 22, and the moving contact 31 after frequent opening and closing, please refer to... Figure 4 , Figure 4 This is a cross-sectional view of the second type of high-speed mechanical switch 100 provided in this embodiment, combined with... Figure 4 In the second type of high-speed mechanical switch 100, the stationary contact structure 20 further includes a second elastic element 23 and a third elastic element 24. The second elastic element 23 is disposed between the first stationary contact 21 and the upper cover 12, and both ends of the second elastic element 23 are respectively connected to the first stationary contact 21 and the upper cover 12; the third elastic element 24 is disposed between the second stationary contact 22 and the upper cover 12, and both ends of the third elastic element 24 are respectively connected to the second stationary contact 22 and the upper cover 12.

[0041] In other words, by setting the second elastic element 23 and the third elastic element 24, the energy when the moving contact 31 closes can also be absorbed, extending the service life of the contact. It should be noted that in this embodiment, both the second elastic element 23 and the third elastic element 24 are compression springs. Since the closing position of the moving contact 31 is fixed, when the overtravel decreases, the compression spring will move the first stationary contact 21 and the second stationary contact 22 downwards to compensate for the reduction in overtravel, ensuring stable closing with the moving contact 31 and achieving rapid disconnection, resulting in a long service life.

[0042] Specifically, the first stationary contact 21 includes a first rigid connection portion 211, a first flexible connection portion 212, and a second rigid connection portion 213 that are connected in sequence and extend from inside the housing 10 to outside the housing 10. The first rigid connection portion 211 is connected to one end of the second elastic member 23, and the moving contact structure 30 is used to contact or separate from the first rigid connection portion 211.

[0043] It is easy to understand that by providing a first rigid connection portion 211 and a second rigid connection portion 213 at both ends of the first flexible connection portion 212, the first rigid connection portion 211 can rotate relative to the first flexible connection portion 212. This rotation can be understood as up and down rotation. Under the action of the second elastic member 23, it better fits with the moving contact 31, further improving the closing stability. Of course, the second rigid connection portion 213 can also rotate relative to the first flexible connection portion 212. This facilitates the adjustment of the installation angle of the second rigid connection portion 213 and better connects it to the external circuit. On the one hand, this improves the installation adaptability of the high-speed mechanical switch 100, and on the other hand, it can reduce the overall size of the high-speed mechanical switch 100 to a certain extent.

[0044] Similarly, in this embodiment, the second stationary contact 22 includes a third rigid connection portion 221, a second flexible connection portion 222, and a fourth rigid connection portion 223 that are connected in sequence and extend from inside the housing 10 to outside the housing 10. The third rigid connection portion 221 is connected to one end of the third elastic member 24, and the moving contact structure 30 is used to contact or separate from the third rigid connection portion 221. It should be noted that the functions of the third rigid connection portion 221, the second flexible connection portion 222, and the fourth rigid connection portion 223 are the same as those of the first stationary contact 21, and will not be described again in this embodiment.

[0045] It should be noted that the first stationary contact 21 comprises multiple stacked first copper foil sheets, and the second stationary contact 22 comprises multiple stacked second copper foil sheets. That is, in this embodiment, both the first stationary contact 21 and the second stationary contact 22 are integrally pressed from multiple copper foil sheets (e.g., cold-pressed or welded). Specifically, the rigid connection portions at both ends of the stationary contact are pressed into a rigid integral from the copper foil sheets, thereby forming a flexible connection portion in the middle region of the stationary contact. Of course, the first stationary contact 21 and the second stationary contact 22 can also be integrally pressed from multiple strands of soft conductors, for example, by flexible connection.

[0046] Furthermore, the moving contact structure 30 includes a first elastic element 33, while the stationary contact structure 20 includes a second elastic element 23 and a third elastic element 24.

[0047] Please continue to combine Figure 2 and Figure 3 In the first type of high-speed mechanical switch 100, the drive mechanism 40 includes a tripping coil 41, a repulsion disk 42, and a closing coil 43. The repulsion disk 42 and the closing coil 43 are both disposed in a first mounting groove 111. A second mounting groove 121 is provided on the side of the upper cover 12 near the base 11. The tripping coil 41 is disposed in the second mounting groove 121, and the tripping coil 41 and the closing coil 43 are located on opposite sides of the repulsion disk 42. By placing the tripping coil 41 within the second mounting groove 121, the overall size of the high-speed mechanical switch 100 can be further reduced.

[0048] Both the opening coil 41 and the closing coil 43 can be understood as repulsive coils. When the opening coil 41 is energized, it can generate induced eddy currents on the moving contact 31, which drive the moving contact structure 30 to open through repulsion. Similarly, when the closing coil 43 is energized, it can generate induced eddy currents on the repulsion disk 42, which drive the moving contact structure 30 to close through repulsion.

[0049] It should be noted that in the first type of high-speed mechanical switch 100, the top cover 12, the opening coil 41, the moving contact 31, the contact seat 32, the repulsion disk 42, and the closing coil 43 are arranged sequentially along the height direction of the housing 10, and the stationary contact structure 20 is located on the side of the moving contact structure 30 away from the opening coil 41. Specifically, the opening coil 41 is located on the side of the moving contact 31 away from the contact seat 32, and the repulsion disk 42 is located on the side of the contact seat 32 away from the moving contact 31. When opening, the opening coil 41 generates a repulsive force on the moving contact 31, driving the moving contact structure 30 to move in the opening direction; through this sequential arrangement, the arrangement of various components inside the high-speed mechanical switch 100 can be further optimized, the volume in the height direction can be reduced, and its miniaturized design can be achieved.

[0050] Furthermore, it should be noted that in the first type of high-speed mechanical switch 100, the moving contact 31, contact seat 32, and repulsion disk 42 are stacked sequentially and fixed by riveting to form an integrated layered structure, which can improve the overall structural strength. In this embodiment, the retaining mechanism 50 is connected to the contact seat 32, and the contact seat 32 is an insulating component, which can be made of plastic or other insulating materials. This facilitates the assembly and integration of the moving contact 31, repulsion disk 42, and retaining mechanism 50, improving installation efficiency and operational safety.

[0051] Please continue to combine Figure 2 The drive mechanism 40 also includes a first buffer pad 44, which is disposed between the closing coil 43 and the repulsion plate 42. During opening, the first buffer pad 44 simultaneously abuts against both the closing coil 43 and the repulsion plate 42; during closing, the first buffer pad 44 abuts against the closing coil 43. By providing the first buffer pad 44, efficient coupling of the driving force can be achieved. The buffer pad can effectively absorb the severe impact of the repulsion plate 42 on the closing coil 43 when the circuit is fully open, protecting the coil structure and significantly improving the mechanical life of the switch.

[0052] Of course, in other embodiments, the moving contact structure 30, the opening coil 41, the repulsion disk 42, and the closing coil 43 can be arranged in other ways, for example... Figure 7In the third type of high-speed mechanical switch 100 shown, the opening coil 41, the repulsion disk 42, and the closing coil 43 are all disposed in the first mounting groove 111. The upper cover 12, the moving contact 31, the contact seat 32, the opening coil 41, the repulsion disk 42, and the closing coil 43 are arranged sequentially along the height direction of the housing 10, and the stationary contact structure 20 is located on the side of the moving contact structure 30 away from the opening coil 41. Specifically, in the third type of high-speed mechanical switch 100, the opening coil 41 is located on the side of the contact seat 32 away from the moving contact 31. When opening, the opening coil 41 generates a repulsive force on the repulsion disk 42, driving the moving contact structure 30 to move in the opening direction.

[0053] Similarly, combined Figure 7 In order to reduce the impact on the trip coil 41 and improve its service life, the drive mechanism 40 may also include a second buffer pad (not shown in the figure). The second buffer pad is disposed between the trip coil 41 and the repulsion disk 42. When closing, the second buffer pad abuts against both the trip coil 41 and the repulsion disk 42. When opening, the second buffer pad abuts against the trip coil 41.

[0054] Furthermore, the high-speed mechanical switch 100 also includes a guide shaft 60, on which the moving contact 31, contact seat 32, and drive mechanism 40 are all sleeved and can move along the axial direction of the guide shaft 60. The moving contact 31, contact seat 32, and repulsion disk 42 are arranged sequentially and fixed together along the height direction of the housing 10.

[0055] By setting the guide shaft 60, it can be ensured that the moving contact structure 30 moves strictly along the axial direction under the high-speed drive of the drive mechanism 40, eliminating lateral swaying, thereby improving the consistency and reliability of mechanical action. By sequentially arranging and fixing the moving contact 31, contact seat 32, and repulsion disk 42 along the height direction of the housing 10 into a single unit, the structural compactness of the high-speed mechanical switch 100 can be further improved, its size reduced, and a miniaturized design achieved.

[0056] Specifically in this embodiment, the two ends of the guide shaft 60 are connected to the base 11 and the upper cover 12 respectively, and the guide shaft 60 passes through the opening coil 41, the moving contact 31, the contact seat 32, the repulsion disk 42, the first buffer pad 44 and the closing coil 43.

[0057] By connecting the two ends of the guide shaft 60 to the base 11 and the top cover 12 respectively, the guide shaft 60 can be rigidly limited, further ensuring the motion stability of the moving contact structure 30 and the drive mechanism 40.

[0058] Please refer to Figure 5 , Figure 5 This is a partial structural diagram of the first type of high-speed mechanical switch 100 provided in this embodiment, combined with... Figure 2 and Figure 5The retaining mechanism 50 includes at least two link assemblies 51 and at least two fourth elastic members 52. The at least two link assemblies 51 are spaced apart and are movably connected to the moving contact structure 30. The fourth elastic members 52 are connected to the link assemblies 51. Specifically, in this embodiment, the link assemblies 51 are movably connected to the contact seat 32.

[0059] It is easy to understand that under the elastic force of the fourth elastic element 52, the force can be applied to the moving contact structure 30 through the connecting rod assembly 51, so that the moving contact structure 30 can close and open faster and the closing and opening states are more stable during the movement.

[0060] It should be noted that in this embodiment, there are two connecting rod assemblies 51, which are disposed on opposite sides of the contact seat 32; the fourth elastic members 52 are disposed on opposite sides of the contact seat 32, with one, two or more fourth elastic members 52 on each side. Of course, in other embodiments, the number of connecting rod assemblies 51 may also be three or four, etc.

[0061] Please refer to Figure 6 , Figure 6 This is a structural schematic diagram of the holding mechanism 50 of the first type of high-speed mechanical switch 100 provided in this embodiment, combined with... Figure 5 and Figure 6 Specifically, the linkage assembly 51 includes a first rotating shaft 511, a second rotating shaft 512, and a connecting rod 513. The first rotating shaft 511 is rotatably connected to the moving contact structure 30. The second rotating shaft 512 is spaced apart from the first rotating shaft 511 and is movably connected to the base 11. The connecting rod 513 is rotatably connected to both the first rotating shaft 511 and the second rotating shaft 512. A fourth elastic element 52 is connected to at least one of the first rotating shaft 511, the second rotating shaft 512, and the connecting rod 513.

[0062] Specifically, in this embodiment, the first rotating shaft 511 is rotatably connected to the contact seat 32. It should be noted that when the axis of the first rotating shaft 511 and the axis of the second rotating shaft 512 of the two linkage assemblies 51 are on the same straight line, it is defined as the dead point position. When the drive mechanism 40 drives the moving contact structure 30 past this dead point position, the fourth elastic element 52 will release elastic potential energy, thereby reliably locking the moving contact 31 in the closed or open position through the linkage 513, the first rotating shaft 511 and the second rotating shaft 512, improving the opening and closing stability and enhancing the safety of use.

[0063] It should be noted that in the first type of high-speed mechanical switch 100, the fourth elastic element 52 is a compression elastic element, and one end of the compression elastic element is connected to the end of the connecting rod 513 near the second rotating shaft 512, while the other end of the compression elastic element is connected to the base 11. That is to say, when the contact seat 32 passes through the dead point position, the compression elastic element releases its elastic force, and through the connecting rod assembly 51, it quickly pushes the contact seat 31 to move towards or away from the stationary contact structure 20, thereby achieving rapid opening and closing and locking the moving contact structure 30 in the closed or open position.

[0064] Of course, the fourth elastic element 52 can also be other types of elastic structures, and its installation position can also be changed. For example, please refer to... Figure 7 and Figure 8 , Figure 7 This is a schematic diagram of the structure of the third type of high-speed mechanical switch 100 provided in this embodiment. Figure 8 This is a partial structural schematic diagram of the third type of high-speed mechanical switch 100 provided in this embodiment. (Combined with...) Figure 7 and Figure 8 In the third type of high-speed mechanical switch 100, the fourth elastic element 52 is a tension elastic element. One end of the first rotating shaft 511 is connected to one end of the second rotating shaft 512 through the tension elastic element, and the other end of the first rotating shaft 511 is connected to the other end of the second rotating shaft 512 through the tension elastic element.

[0065] It should be noted that since there are two linkage assemblies 51 in this embodiment, there are four fourth elastic elements 52 in the third type of high-speed mechanical switch 100, which are arranged in pairs on opposite sides of the contact seat 32.

[0066] Of course, one end of the first rotating shaft 511 and one end of the second rotating shaft 512 can be connected by a tension elastic element, or by two or more tension elastic elements.

[0067] Furthermore, in the third type of high-speed mechanical switch 100, in order to facilitate the sliding of the linkage assembly 51 and the contact seat 32 and avoid interference between the first rotating shaft 511 and other structures, in this embodiment, the contact seat 32 is also provided with a first sliding groove 321, and the two ends of the first rotating shaft 511 pass through the first sliding groove 321 on opposite sides of the contact seat 32.

[0068] Of course, the fourth elastic element 52 can also be set in other installation positions, for example, please refer to Figure 10 and Figure 11 , Figure 10 This is a structural schematic diagram of the fourth type of high-speed mechanical switch 100 provided in this embodiment. Figure 11 This is a partial structural schematic diagram of the fourth type of high-speed mechanical switch 100 provided in this embodiment. (Combined with...) Figure 10and Figure 11 In the fourth type of high-speed mechanical switch 100, the fourth elastic element 52 is a tension elastic element. There are two linkage assemblies 51 and two fourth elastic elements 52. One end of the second rotating shaft 512 of the two linkage assemblies 51 is connected through the fourth elastic element 52, and the other end of the second rotating shaft 512 of the two linkage assemblies 51 is connected through the fourth elastic element 52.

[0069] It should be noted that one end of the second shaft 512 of the two linkage assemblies 51 can be connected by one or more tension elastic elements. The other end of the second shaft 512 of the two linkage assemblies 51 can be connected by one or more tension elastic elements.

[0070] Of course, the fourth elastic element 52 can also be set in other installation positions, for example, please refer to Figure 12 and Figure 13 , Figure 12 This is a structural schematic diagram of the fifth type of high-speed mechanical switch 100 provided in this embodiment. Figure 13 This is a partial structural schematic diagram of the fifth type of high-speed mechanical switch 100 provided in this embodiment. (Combined with...) Figure 12 and Figure 13 In the fifth type of high-speed mechanical switch 100, the fourth elastic element 52 is a compression elastic element, the contact seat 32 is provided with a second slide groove 322, and the fourth elastic element 52 is disposed in the second slide groove 322; there are two connecting rod assemblies 51 and two fourth elastic elements 52, the first rotating shafts 511 of the two connecting rod assemblies 51 are spaced apart in the second slide groove 322, one end of the first rotating shafts 511 of the two connecting rod assemblies 51 are connected by the fourth elastic element 52, and the other end of the first rotating shafts 511 of the two connecting rod assemblies 51 are connected by the fourth elastic element 52.

[0071] Of course, one end of the first pivot 511 of the two linkage assemblies 51 can be connected by one fourth elastic element 52, or by two or more fourth elastic elements 52. The other end of the first pivot 511 of the two linkage assemblies 51 can be connected by one fourth elastic element 52, or by two or more fourth elastic elements 52.

[0072] Please continue to combine Figure 5 and Figure 6 To guide the movement of the second rotating shaft 512 and ensure its stability, in this embodiment, the connecting rod assembly 51 further includes a bushing 514. The bushing 514 is disposed on the side wall of the base 11, and both ends of the second rotating shaft 512 are fitted with bushings 514. The bushing 514 is provided with a movable groove, and both ends of the second rotating shaft 512 move in and out of the movable groove of the bushing 514.

[0073] In summary, embodiments of the present invention provide a high-speed mechanical switch 100, which includes a housing 10, a stationary contact structure 20, a moving contact structure 30, a driving mechanism 40, and a holding mechanism 50. The housing 10 includes a base 11 and a top cover 12 connected to each other, and the base 11 has a first mounting groove 111. The stationary contact structure 20 is at least partially disposed between the base 11 and the top cover 12, and the moving contact structure 30 includes a moving contact 31 and a contact seat 32, both of which are slidably disposed in the first mounting groove 11. 1; The driving mechanism 40 is at least partially disposed in the first mounting groove 111 and is used to drive the moving contact structure 30 to slide relative to the base 11 so that the moving contact structure 30 contacts or separates from the stationary contact structure 20; The holding mechanism 50 is disposed in the first mounting groove 111 and connected to the moving contact structure 30. The holding mechanism 50 is used to apply force to the moving contact structure 30 so that the moving contact structure 30 and the stationary contact structure 20 are kept in contact or separated; The moving contact 31, the contact seat 32 and the driving mechanism 40 are arranged sequentially along the height direction of the housing 10.

[0074] By mounting the moving contact structure 30, the drive mechanism 40, and the holding mechanism 50 all on the base 11, and by placing the stationary contact structure 20 at least partially between the base 11 and the top cover 12, the overall size of the high-speed mechanical switch 100 can be reduced, achieving a miniaturized design, lowering production costs, and facilitating application in space-constrained environments. Furthermore, the holding mechanism 50 applies additional force to the movement of the moving contact structure 30, resulting in more stable contact between the moving contact structure 30 and the stationary contact structure 20, or more complete separation, thereby improving the stability of closing and opening operations and enhancing operational safety.

[0075] The above description is merely a specific embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention can have various modifications and variations. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A high-speed mechanical switch, characterized in that, include: The housing (10) includes a base (11) and a top cover (12) connected to each other. The base (11) has a first mounting groove (111). A stationary contact structure (20) is at least partially disposed between the base (11) and the upper cover (12); The moving contact structure (30) includes a moving contact (31) and a contact seat (32), both of which are slidably disposed in the first mounting groove (111). A driving mechanism (40), at least partially disposed in the first mounting groove (111), and for driving the moving contact structure (30) to slide relative to the base (11) so that the moving contact structure (30) contacts or separates from the stationary contact structure (20); and A retaining mechanism (50) is disposed in the first mounting groove (111) and connected to the moving contact structure (30). The retaining mechanism (50) is used to apply force to the moving contact structure (30) so that the moving contact structure (30) and the stationary contact structure (20) are kept in the contact state or the separated state. The moving contact (31), the contact seat (32), and the driving mechanism (40) are arranged sequentially along the height direction of the housing (10).

2. The high-speed mechanical switch according to claim 1, characterized in that, The retaining mechanism (50) is connected to the contact seat (32), and the contact seat (32) is an insulating component; The moving contact (31) is fixedly connected to the contact seat (32); or, the moving contact structure (30) further includes a first elastic element (33), which is disposed between the moving contact (31) and the contact seat (32), and the two ends of the first elastic element (33) are respectively connected to the moving contact (31) and the contact seat (32).

3. The high-speed mechanical switch according to claim 1, characterized in that, The high-speed mechanical switch (100) also includes a guide shaft (60), the two ends of which are connected to the base (11) and the upper cover (12) respectively. The moving contact (31), the contact seat (32) and the drive mechanism (40) are all sleeved on the guide shaft (60) and can move along the axial direction of the guide shaft (60). The driving mechanism (40) includes a repulsion disk (42), and the moving contact (31), the contact seat (32) and the repulsion disk (42) are arranged sequentially and fixed together along the height direction of the housing (10).

4. The high-speed mechanical switch according to claim 1, characterized in that, The drive mechanism (40) includes a tripping coil (41), a repulsion disk (42), and a closing coil (43). The repulsion disk (42) and the closing coil (43) are both disposed in the first mounting groove (111). The upper cover (12) is provided with a second mounting groove (121) on the side near the base (11). The tripping coil (41) is disposed in the second mounting groove (121). The top cover (12), the trip coil (41), the moving contact (31), the contact seat (32), the repulsion disk (42), and the closing coil (43) are arranged sequentially along the height direction of the housing (10), and the stationary contact structure (20) is located on the side of the moving contact structure (30) closer to the trip coil (41).

5. The high-speed mechanical switch according to claim 4, characterized in that, The drive mechanism (40) further includes a first buffer pad (44), which is disposed between the closing coil (43) and the repulsion disk (42), and when the circuit is opened, the first buffer pad (44) simultaneously abuts against the closing coil (43) and the repulsion disk (42).

6. The high-speed mechanical switch according to claim 1, characterized in that, The drive mechanism (40) includes a trip coil (41), a repulsion disk (42), and a closing coil (43). The trip coil (41), the repulsion disk (42), and the closing coil (43) are all disposed in the first mounting groove (111). The upper cover (12), the moving contact (31), the contact seat (32), the trip coil (41), the repulsion disk (42), and the closing coil (43) are arranged sequentially along the height direction of the housing (10), and the stationary contact structure (20) is located on the side of the moving contact structure (30) away from the trip coil (41).

7. The high-speed mechanical switch according to claim 6, characterized in that, The drive mechanism (40) further includes a second buffer pad, which is disposed between the trip coil (41) and the repulsion disk (42), and when the circuit is closed, the second buffer pad simultaneously abuts against the trip coil (41) and the repulsion disk (42).

8. The high-speed mechanical switch according to claim 1, characterized in that, The stationary contact structure (20) includes a first stationary contact (21), a second stationary contact (22), a second elastic element (23), and a third elastic element (24). The first stationary contact (21) and the second stationary contact (22) are spaced apart, and at least a portion of the first stationary contact (21) and at least a portion of the second stationary contact (22) are disposed between the base (11) and the upper cover (12). The moving contact structure (30) is used to simultaneously contact or separate from the first stationary contact (21) and the second stationary contact (22). The second elastic element (23) is disposed between the first stationary contact (21) and the upper cover (12), and the two ends of the second elastic element (23) are respectively connected to the first stationary contact (21) and the upper cover (12); the third elastic element (24) is disposed between the second stationary contact (22) and the upper cover (12), and the two ends of the third elastic element (24) are respectively connected to the second stationary contact (22) and the upper cover (12).

9. The high-speed mechanical switch according to claim 8, characterized in that, The first stationary contact (21) includes a first rigid connection portion (211), a first flexible connection portion (212), and a second rigid connection portion (213) connected in sequence and extending from inside the housing (10) toward outside the housing (10). The first rigid connection portion (211) is connected to one end of the second elastic member (23). The moving contact structure (30) is used to contact or separate from the first rigid connection portion (211); and / or, The second stationary contact (22) includes a third rigid connection portion (221), a second flexible connection portion (222), and a fourth rigid connection portion (223) connected in sequence and extending from inside the housing (10) toward the outside of the housing (10). The third rigid connection portion (221) is connected to one end of the third elastic member (24). The moving contact structure (30) is used to contact or separate from the third rigid connection portion (221); and / or, The first stationary contact (21) comprises a plurality of stacked first copper foil sheets, and the second stationary contact (22) comprises a plurality of stacked second copper foil sheets; and / or, The first stationary contact (21) includes multiple strands of soft conductor, and the second stationary contact (22) includes multiple strands of soft conductor.

10. The high-speed mechanical switch according to claim 1, characterized in that, The retaining mechanism (50) includes at least two link assemblies (51) and at least two fourth elastic elements (52). The at least two link assemblies (51) are spaced apart and are movably connected to the moving contact structure (30). The fourth elastic elements (52) are connected to the link assemblies (51).

11. The high-speed mechanical switch according to claim 10, characterized in that, The linkage assembly (51) includes a first rotating shaft (511), a second rotating shaft (512), and a connecting rod (513). The first rotating shaft (511) is rotatably connected to the moving contact structure (30), the second rotating shaft (512) is spaced apart from the first rotating shaft (511), and the second rotating shaft (512) is movably connected to the base (11). The connecting rod (513) is rotatably connected to both the first rotating shaft (511) and the second rotating shaft (512). The fourth elastic element (52) is connected to at least one of the first rotating shaft (511), the second rotating shaft (512), and the connecting rod (513).

12. The high-speed mechanical switch according to claim 11, characterized in that, The fourth elastic element (52) is a compression elastic element. One end of the compression elastic element is connected to the end of the connecting rod (513) near the second rotating shaft (512), and the other end of the compression elastic element is connected to the base (11).

13. The high-speed mechanical switch according to claim 11, characterized in that, The fourth elastic element (52) is a tensile elastic element. One end of the first rotating shaft (511) is connected to one end of the second rotating shaft (512) through the tensile elastic element, and the other end of the first rotating shaft (511) is connected to the other end of the second rotating shaft (512) through the tensile elastic element.

14. The high-speed mechanical switch according to claim 11, characterized in that, The fourth elastic element (52) is a tension elastic element. There are two of each of the connecting rod assembly (51) and the fourth elastic element (52). One end of the second shaft (512) of the two connecting rod assemblies (51) is connected through the fourth elastic element (52), and the other end of the second shaft (512) of the two connecting rod assemblies (51) is connected through the fourth elastic element (52).

15. The high-speed mechanical switch according to claim 11, characterized in that, The fourth elastic element (52) is a compression elastic element. The contact seat (32) is provided with a second slide groove (322). The fourth elastic element (52) is disposed in the second slide groove (322). There are two of each of the connecting rod assembly (51) and the fourth elastic element (52). The first rotating shafts (511) of the two connecting rod assemblies (51) are spaced apart in the second slide groove (322). One end of the first rotating shafts (511) of the two connecting rod assemblies (51) is connected through the fourth elastic element (52). The other end of the first rotating shafts (511) of the two connecting rod assemblies (51) is connected through the fourth elastic element (52).

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