Three-phase multi-group heavy load integrated switch

Abstract

The invention discloses a three-phase multi-group heavy-load integrated switch, which is technically characterized by comprising an insulating fixed cylinder, a lead terminal fixing disc and a mounting seat, and the lead terminal fixing disc and the mounting seat are fixedly connected with the insulating fixed cylinder in an end-to-end manner. The end permanent magnet rotor, the tail permanent magnet rotor, the end bearing and the tail bearing are symmetrically arranged on the rotating wheel structure in an end-to-end mode, and an end electromagnet set and a tail electromagnet set corresponding to the head permanent magnet rotor and the tail permanent magnet rotor are symmetrically arranged on the insulating fixed cylinder in an end-to-end mode. Three three-phase movable contact sets are arranged on the insulation movable contact rotating wheel, a first-phase static contact set, a second-phase static contact set and a third-phase static contact set corresponding to the three three-phase movable contact sets are arranged on the insulation fixed cylinder, and the large-current automatic control power supply effect can be achieved under the control of a PLC program.

Description

Technical Field

[0001] The present invention relates to the technical field of switches, and in particular to a three-phase multi-group heavy-load integrated switch. Background Art

[0002] A three-phase integrated switch is a switching device capable of simultaneously controlling the on / off of three phases of a circuit. It is typically composed of three independent single-pole switches, each controlling a single phase of the circuit. This design allows for flexible and convenient operation, meeting the control requirements of diverse electrical systems.

[0003] Three-phase integrated switches are widely used in electrical systems, including:

[0004] Industrial production lines: Commonly used to control the start and stop of three-phase equipment such as motors. By properly configuring switches, automatic control of equipment can be achieved to improve production efficiency.

[0005] Power system: Used for the protection and control of key equipment such as distribution cabinets and transformers. When a fault occurs, the switch can quickly cut off the circuit to protect equipment and personal safety.

[0006] Building electrical systems: Commonly used for controlling electrical equipment such as lighting and air conditioning. By combining intelligent control systems with switches, energy saving and comfort control can be achieved in buildings.

[0007] The existing Chinese patent with publication number CN112038159B discloses a three-phase linked disconnector, comprising a base, three dynamic contact seats, three static contact seats, three knife switch assemblies, three connecting rod devices, several support insulators, a transmission shaft device, a self-locking spring, an operating handle, an anti-unhooking device and a mechanical lock device, wherein the operating handle is fixedly mounted at the end of the transmission shaft device, the three dynamic contact seats and the three static contact seats are mounted on the base through the support insulators, one end of each knife switch assembly is hinged to the corresponding static contact seat and the other end is movably contacted with the corresponding dynamic contact seat, the transmission shaft device is rotatably mounted on the base, three transmission crank arms are provided at positions corresponding to the transmission shaft devices and each knife switch assembly, one end of each connecting rod device is hinged to the corresponding knife switch assembly and the other end is hinged to the corresponding transmission crank arm, the transmission shaft device is also provided with a self-locking crank arm, one end of the self-locking spring is hinged to the self-locking crank arm and the other end is hinged to the base.

[0008] The above patents have some advantages, but also have some problems, such as: they cannot achieve precise control. Summary of the Invention

[0009] In view of the problems mentioned in the background technology, the purpose of the present invention is to provide a three-phase multi-group heavy-load integrated switch to solve the problems mentioned in the background technology.

[0010] The above technical objectives of the present invention are achieved through the following technical solutions:

[0011] A three-phase multi-group heavy-load integrated switch comprises an insulating fixed cylinder, a lead terminal fixing disk and a mounting seat fixedly connected to the head and tail of the insulating fixed cylinder, the insulating fixed cylinder and the lead terminal fixing disk, and the mounting seat fixedly connected to the inner circular surface annular space gap of the integral structure are equipped with a rotatable insulating moving contact wheel, and the central axis of the insulating moving contact wheel coincides with the central axis of the inner circular surface annular space of the integral structure, the head and tail of the insulating moving contact wheel are symmetrically fixed with end permanent magnet rotors and tail permanent magnet rotors, the head and tail ends of the insulating moving contact wheel are also fixedly equipped with end bearings and tail bearings, the insulating fixed cylinder is equipped with an end electromagnet group arranged in the gap with the end permanent magnet rotor, The insulating fixed cylinder is also provided with a tail electromagnet group which is provided with a gap with the tail permanent magnet rotor, the insulating moving contact wheel is provided with a three-phase moving contact group, the insulating fixed cylinder is provided with a first-phase static contact group, a second-phase static contact group and a third-phase static contact group, the three-phase moving contact groups are independently fixedly connected to form a moving contact wire bundle group, the lead terminal fixing disk is provided with a three-phase moving contact lead terminal, the independent wires on the moving contact wire bundle group connect the independent contacts on the three-phase moving contact group with each independent terminal of the three-phase moving contact lead terminal as a whole, and the end bearing and the tail bearing outer ring are respectively symmetrically interference fitted with the inner circle surface of the insulating fixed cylinder.

[0012] By adopting the above technical solution, the three-phase multi-group heavy-load integrated switch achieves the effect of multi-group heavy-load integrated control, and no misalignment will occur in the process of achieving integration and precise control; the end permanent magnet rotor and the end electromagnet group on the insulating fixed cylinder can form a stepper motor, and the tail permanent magnet rotor and the tail electromagnet group on the insulating fixed cylinder form another stepper motor. The end electromagnet group and the tail electromagnet group are connected to electrical components such as the PLC controller through electromagnet wires and electromagnet lead terminals, thereby facilitating automated integrated control; and the angles of the end electromagnet group and the tail electromagnet group in the three-phase multi-group heavy-load integrated switch are arranged at a certain angle relative to the end permanent magnet and the tail permanent magnet, which can ensure precise control during reverse or forward rotation without misalignment; the external PLC controller can control the attraction and repulsion of the electromagnets in the end electromagnet group and the tail electromagnet group to control the rotation position of the rotating rotor. The use of two symmetrical groups of structures can improve the ability of precise control. The three-phase moving contact group and the first-phase static contact group, second-phase static contact group and third-phase static contact group on the insulating fixed cylinder are precisely connected and disconnected to achieve control.

[0013] Preferably, a three-phase contact fixing plate for fixing the first phase static contact group, the second phase static contact group and the third phase static contact group is installed outside the insulating fixed cylinder, and a static contact wire output terminal fixing column is provided on the three-phase contact fixing plate.

[0014] By adopting the above technical solution, the three-phase contact fixing plate and the static contact wire output terminal fixing column can facilitate the external connection of the fixed wires of the first phase static contact group, the second phase static contact group and the third phase static contact group.

[0015] Preferably, the static contact wire output terminal fixing column is fixed to the three-phase contact fixing plate by a fixing nut.

[0016] By adopting the above technical solution, fast fixation can be achieved by using the fixing nut, making disassembly and assembly convenient.

[0017] Preferably, the first-phase static contact group, the second-phase static contact group and the third-phase static contact group are respectively fixedly connected to the first-phase static contact wire output terminal, the second-phase static contact wire output terminal and the third-phase static contact wire output terminal provided on the static contact wire output terminal fixing column through wires.

[0018] By adopting the above technical solution, the convenience of external connection can be improved by utilizing the first phase static contact wire output terminal, the second phase static contact wire output terminal, and the third phase static contact wire output terminal.

[0019] Preferably, the lead terminal fixing plate is provided with a three-phase moving contact lead terminal and an electromagnet wire output terminal group.

[0020] By adopting the above technical solution, the three-phase moving contact lead terminals and the electromagnet wire output terminal group are arranged on the lead terminal fixing plate, which can save space.

[0021] Preferably, the tail electromagnet group and the end electromagnet group are respectively connected with lead-out electromagnet wires, and the electromagnet wires are located outside the insulating fixed cylinder.

[0022] By adopting the above technical solution, the external electromagnet wire can be used to conveniently connect the power.

[0023] Preferably, the insulating moving contact wheel is further provided with a continuous conduction moving contact group.

[0024] By adopting the above technical solution, the setting of the continuous conduction moving contact group is convenient for control.

[0025] Preferably, the first-phase static contact group, the second-phase static contact group and the third-phase static contact group are multiple groups respectively.

[0026] Preferably, the end electromagnet group and the tail electromagnet group are respectively connected to corresponding control terminals of a PLC controller.

[0027] Preferably, the single independent moving contact on the three-phase moving contact group is replaced with a continuously conducting moving contact.

[0028] In summary, the present invention mainly has the following beneficial effects:

[0029] This three-phase, multi-group, heavy-load integrated switch achieves the effect of multi-group heavy-load integrated control, enabling precise control without misalignment. The end permanent magnet rotor and end electromagnet group on the insulating fixed cylinder form a stepper motor, while the tail permanent magnet rotor and tail electromagnet group on the insulating fixed cylinder form another stepper motor. The three-phase moving contact lead terminals can be connected to a PLC controller for convenient control. The angles of the end electromagnet group and the tail electromagnet group in this three-phase, multi-group heavy-load integrated switch are arranged at a certain angle, ensuring precise control during reverse or forward rotation without misalignment. The external PLC controller can control the attraction and repulsion of the electromagnets in the end electromagnet group and the tail electromagnet group to control the rotational position of the rotating rotor. The use of two symmetrical groups improves precise control capabilities. The three-phase moving contact group cooperates with the first-phase static contact group, the second-phase static contact group, and the third-phase static contact group on the insulating fixed cylinder to achieve control. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 This is one of the structural cross-sectional views of the present invention;

[0031] Figure 2 yes Figure 1 AA section view in the figure;

[0032] Figure 3 yes Figure 1 BB section view in the figure;

[0033] Figure 4 yes Figure 1 C-direction view in;

[0034] Figure 5 yes Figure 1 D-direction view in;

[0035] Figure 6 This is the second structural cross-sectional view of the present invention;

[0036] Figure 7 yes Figure 6 E-direction view in;

[0037] Figure 8 yes Figure 6 A magnified view of some structures in ;

[0038] Figure 9 This is one of the structural diagrams of the insulated moving contact wheel;

[0039] Figure 10 This is the second structural diagram of the insulated moving contact wheel;

[0040] Figure 11 This is the third structural diagram of the insulated moving contact wheel.

[0041] Reference numerals: 100, insulating fixed cylinder frame; 110, three-phase contact fixing plate; 111, fixing nut; 130, mounting base; 120, lead terminal fixing plate; 121, three-phase moving contact lead terminal; 122, electromagnet wire output terminal group; 310, first phase static contact group; 320, second phase static contact group; 330, third phase static contact group; 410, tail electromagnet group; 420, end electromagnet group; 421, electromagnet wire; 2 00. Insulated moving contact wheel; 202. Moving contact wire harness group; 210. Tail permanent magnet rotor; 220. End permanent magnet rotor; 250. Three-phase moving contact group; 251. Continuous conduction moving contact group; 500. Fixed column for static contact wire output terminal; 510. First-phase static contact wire output terminal; 520. Second-phase static contact wire output terminal; 530. Third-phase static contact wire output terminal; 1002. End bearing; 1001. Tail bearing. DETAILED DESCRIPTION

[0042] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0043] refer to Figure 1-11A three-phase multi-group heavy-load integrated switch comprises an insulating fixed cylinder 100, a lead terminal fixing plate 120 and a mounting seat 130 fixedly connected to the head and tail of the insulating fixed cylinder 100, characterized in that: the insulating fixed cylinder 100 and the lead terminal fixing plate 120, as well as the mounting seat 130 are fixedly connected to form an integral structure, a rotatable insulating moving contact rotor 200 is provided in the inner circular surface annular space gap, and the central axis of the insulating moving contact rotor 200 coincides with the central axis of the inner circular surface annular space of the integral structure, the insulating moving contact rotor 200 is symmetrically fixed with an end permanent magnet rotor 220 and a tail permanent magnet rotor 210 at the head and tail ends, and the insulating moving contact rotor 200 is also fixedly provided with an end bearing 1002 and a tail bearing 1001 at the head and tail ends, and the insulating fixed cylinder 100 is provided with an end electromagnet group 4 provided in the gap with the end permanent magnet rotor 220. 20. The insulating fixed cylinder 100 is also provided with a tail electromagnet group 410 that is gapped with the tail permanent magnet rotor 210. The insulating moving contact wheel 200 is provided with a three-phase moving contact group 250. The insulating fixed cylinder 100 is provided with a first-phase static contact group 310, a second-phase static contact group 320, and a third-phase static contact group 330. The three-phase moving contact group 250 is independently fixedly connected to form a moving contact wire harness group 202. The lead terminal fixing disk 120 is provided with a three-phase moving contact lead terminal 121. The independent wires on the moving contact wire harness group 202 connect the independent contacts on the three-phase moving contact group 250 with the independent terminals of the three-phase moving contact lead terminal 121 as a whole. The outer rings of the end bearing 1002 and the tail bearing 1001 are respectively fitted with the inner circumferential surface of the insulating fixed cylinder 100 in an end-to-end symmetrical interference fit.

[0044] refer to Figure 1-11 The end permanent magnet rotor 220 and the end electromagnet group 420 on the insulating fixed cylinder 100 can form a stepper motor, and the tail permanent magnet rotor 210 and the tail electromagnet group 410 on the insulating fixed cylinder 100 form another stepper motor. The three-phase moving contact lead terminal 121 can be connected to the PLC controller to facilitate control; and the relative position angles of the end electromagnet group 420 and the tail electromagnet group 410 in this three-phase multi-group heavy-load integrated switch are different by a certain angle from the independent permanent magnets on the end permanent magnet rotor and the tail permanent magnet rotor, which can ensure precise control during reverse or forward rotation without misalignment; the external PLC controller can control the attraction and repulsion of the electromagnets in the end electromagnet group 420 and the tail electromagnet group 410 to control the rotation position of the rotating rotor. The use of two symmetrical groups of structures can improve the ability of precise control. The three-phase moving contact group 250 and the first-phase static contact group 310, the second-phase static contact group 320 and the third-phase static contact group 330 on the insulating fixed cylinder 100 are precisely positioned, contacted and disengaged to achieve large current on-off control.

[0045] refer to Figure 1-11 A three-phase contact fixing plate 110 is mounted on the exterior of the insulating fixed cylinder 100 for securing the first-phase static contact group 310, the second-phase static contact group 320, and the third-phase static contact group 330. Static contact wire output terminal fixing posts 500 are provided on the three-phase contact fixing plate 110. The three-phase contact fixing plate 110 and the static contact wire output terminal fixing posts 500 facilitate external connection of the first-phase static contact group 310, the second-phase static contact group 320, and the third-phase static contact group 330. The static contact wire output terminal fixing posts 500 are secured to the three-phase contact fixing plate 110 via fixing nuts 111, which allow for quick fixation and facilitate assembly and disassembly.

[0046] refer to Figure 1-11 The first-phase static contact group 310, the second-phase static contact group 320, and the third-phase static contact group 330 are respectively connected to the first-phase static contact wire output terminal 510, the second-phase static contact wire output terminal 520, and the third-phase static contact wire output terminal 530 provided on the static contact wire output terminal fixing column 500 via wires. The first-phase static contact wire output terminal 510, the second-phase static contact wire output terminal 520, and the third-phase static contact wire output terminal 530 can improve the convenience of external connection. The lead terminal fixing plate 120 is provided with a three-phase moving contact lead terminal 121 and an electromagnet wire 421 output terminal group 122. Placing the three-phase moving contact lead terminal 121 and the electromagnet wire 421 output terminal group 122 on the lead terminal fixing plate 120 can save space.

[0047] refer to Figure 1-11 The tail electromagnet assembly 410 and the end electromagnet assembly 420 are each connected to an extended electromagnet wire 421, which is located outside the insulating fixed barrel frame 100. The externally led electromagnet wires facilitate power connection. The insulated movable contact wheel 200 is also provided with a continuous conduction movable contact assembly 251, which facilitates control. The single independent movable contact on the three-phase movable contact assembly 250 is replaced with a continuous conduction movable contact, but this is not limited to a single independent movable contact.

[0048] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A three-phase multi-group heavy-load integrated switch, comprising an insulating fixed cylinder (100), a lead terminal fixing plate (120) and a mounting seat (130) fixedly connected to the head and tail of the insulating fixed cylinder (100), characterized in that: The insulating fixed cylinder (100), the lead terminal fixing plate (120), and the mounting seat (130) are fixedly connected to form an integral structure, and a rotatable insulating moving contact wheel (200) is provided in the inner circular surface annular space gap, and the central axis of the insulating moving contact wheel (200) coincides with the central axis of the inner circular surface annular space of the integral structure. The insulating moving contact wheel (200) is symmetrically fixed with an end permanent magnet rotor (220) and a tail permanent magnet rotor (210) at the head and tail ends, and the insulating moving contact wheel (200) is also symmetrically fixed with an end bearing (1002) and a tail bearing (1001) at the head and tail ends. The insulating fixed cylinder (100) is provided with an end electromagnet group (420) provided in the gap with the end permanent magnet rotor (220). The insulating fixed cylinder (100) is also provided with a tail electromagnet (420) provided in the gap with the tail permanent magnet rotor (210). A magnet group (410) is provided on the insulating movable contact wheel (200), a three-phase movable contact group (250) is provided on the insulating fixed cylinder (100), a first-phase static contact group (310), a second-phase static contact group (320) and a third-phase static contact group (330) are provided on the three-phase movable contact group (250), and a movable contact wire harness group (202) is independently fixedly connected to each other. The lead terminal fixing disk (120) is provided with a three-phase movable contact lead terminal (121), and the independent wires on the movable contact wire harness group (202) connect the independent contacts on the three-phase movable contact group (250) with the independent terminals of the three-phase movable contact lead terminal (121) as a whole. The outer rings of the end bearing (1002) and the tail bearing (1001) are respectively fitted with the inner circular surface of the insulating fixed cylinder (100) in a head-to-tail symmetrical interference fit.

2. A three-phase multi-group heavy-load integrated switch according to claim 1, characterized in that: A three-phase contact fixing disk (110) for fixing a first-phase static contact group (310), a second-phase static contact group (320), and a third-phase static contact group (330) is installed on the outside of the insulating fixed cylinder frame (100), and a static contact wire output terminal fixing column (500) is provided on the three-phase contact fixing disk (110).

3. The three-phase multi-group heavy-load integrated switch according to claim 2, characterized in that: The static contact wire output terminal fixing column (500) is fixed on the three-phase contact fixing plate (110) via a fixing nut (111).

4. The three-phase multi-group heavy-load integrated switch according to claim 3, characterized in that: The first-phase static contact group (310), the second-phase static contact group (320), and the third-phase static contact group (330) are respectively fixedly connected to the first-phase static contact wire output terminal (510), the second-phase static contact wire output terminal (520), and the third-phase static contact wire output terminal (530) provided on the static contact wire output terminal fixing column (500) through wires.

5. The three-phase multi-group heavy-load integrated switch according to claim 1, characterized in that: The lead terminal fixing plate (120) is provided with a three-phase moving contact lead terminal (121) and an electromagnet wire output terminal group (122).

6. The three-phase multi-group heavy-load integrated switch according to claim 1, characterized in that: The tail electromagnet group (410) and the end electromagnet group (420) are respectively connected to an electromagnet wire (421) drawn out, and the electromagnet wire (421) is located outside the insulating fixed barrel frame (100).

7. The three-phase multi-group heavy-load integrated switch according to claim 4, characterized in that: The insulating movable contact wheel (200) is also provided with a continuous conduction movable contact group (251).

8. The three-phase multi-group heavy-load integrated switch according to claim 1, characterized in that: The first-phase static contact group (310), the second-phase static contact group (320), and the third-phase static contact group (330) are respectively multiple groups.

9. The three-phase multi-group heavy-load integrated switch according to claim 1, characterized in that: The single independent moving contact on the three-phase moving contact group (250) is replaced with a continuous conduction moving contact.

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