Magnetic flux release assembly for intelligent measurement switch and measurement switch

Abstract

The utility model relates to a magnetic flux release assembly for an intelligent measurement switch and the measurement switch, and the magnetic flux release assembly comprises a magnetic flux installation seat, the front end of which is provided with a guide groove; the magnetic flux release comprises a mounting bracket; a coil assembly; a static iron core; a movable iron core; the push rod comprises a guide seat matched with the movable iron core, a reset rod is arranged at the front end of the guide seat, a driving rod is arranged on the inner side of the reset rod, and a guide block arranged in the guide groove is arranged at the bottom of the guide seat. The driving rod enables the operating mechanism of the measuring switch to be in a first state of opening operation and a second state that the reset rod drives the movable iron core to be in contact with the static iron core when the operating mechanism is in re-buckling operation, and a counter-force spring is arranged between the push rod and the magnetic flux release. By arranging the magnetic flux mounting seat, the magnetic flux release is fixed by using the magnetic flux mounting seat, and meanwhile, the moving path of the push rod is always a straight line through linear matching of the guide block and the guide groove.

Description

TECHNICAL FIELD

[0001] The utility model relates to low voltage electrical apparatus technical field, concretely relates to a kind of flux tripping device components and measurement switch for intelligent measurement switch. BACKGROUND

[0002] Intelligent measurement switch is the wisdom "controller" of energy information flow, service flow, and it is the key part of low-voltage area, directly related to the safety of the majority of electric power users, intelligent power and economic power, with important social significance and economic value.

[0003] The conventional measurement switch generally shares an operating mechanism and a flux tripping device. When overcurrent fault occurs in any phase, the flux tripping device will drive the operating mechanism to act, and the three-phase main circuit will be completely disconnected, which will prolong the troubleshooting time.

[0004] Therefore, the existing technology adopts a plurality of single-phase operating mechanisms to assemble and install in the same insulating shell for phase control protection. However, since a single-phase operating mechanism is used, a flux tripping device needs to be provided for each phase. Since the flux tripping device relies on the action of the actuating part to complete the tripping action, and due to the installation method of the existing flux tripping device, there is a lack of guiding effect for the linear motion thereof. After a long time of use, it may deviate from the original movement path, resulting in an inability to accurately perform the tripping action, and there is a safety hazard. SUMMARY

[0005] In view of the deficiencies in the prior art, the purpose of the present utility model is to provide a flux tripping device component for an intelligent measurement switch.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A flux tripping device component for an intelligent measurement switch comprises:

[0008] A flux mounting seat is mounted on the base of the measurement switch, and a guide groove is provided at the front end of the flux mounting seat;

[0009] A flux tripping device comprises:

[0010] A mounting bracket is fixedly provided on the flux mounting seat and has a cavity;

[0011] A coil assembly is provided in the cavity and has a first guide hole;

[0012] A static iron core is provided between the coil assembly and the mounting bracket;

[0013] A movable iron core is movably provided in the first guide hole and is arranged opposite to the static iron core;

[0014] A push rod is arranged at the front end of the moving iron core, which comprises a guide seat matched with the moving iron core, a reset rod arranged at the front end of the guide seat, a driving rod arranged inside the reset rod, and a guide block arranged at the bottom of the guide seat and in the guide groove,

[0015] The push rod can drive the operating mechanism of the measuring switch to separate and operate in the first state, and drive the moving iron core and the static iron core to contact in the second state when the operating mechanism is re-engaged, and a counterforce spring is arranged between the push rod and the magnetic flux tripping device.

[0016] The mounting bracket comprises a first bracket in a U shape and an end cover with a second guide hole, and the end cover and the first bracket cooperate to form a cavity for accommodating the coil assembly.

[0017] The second guide hole is coaxially arranged with the first guide hole, and the moving iron core can move linearly in the first guide hole and the second guide hole.

[0018] The end cover forms a sleeve at the front end, and the rear end of the guide seat is arranged in a hollow structure and is sleeved outside the sleeve through the opening, and the inside of the guide seat is clamped or abutted with the moving iron core.

[0019] The first bracket extends to both ends on one side to form a fixed part fixedly connected with the magnetic flux mounting seat.

[0020] The driving rod extends along the inner wall of the reset rod, and the length of the driving rod is less than the length of the reset rod.

[0021] The magnetic flux mounting seat is provided with a plurality of positioning plates, the positioning plates divide the magnetic flux mounting seat into a plurality of mounting positions, and a magnetic flux tripping device is arranged at each mounting position.

[0022] The magnetic flux mounting seat is provided with a positioning block for limiting the installation position of the magnetic flux tripping device.

[0023] A measuring switch comprises a base, and the base is provided with the magnetic flux tripping device assembly for the intelligent measuring switch.

[0024] The magnetic flux mounting seat is arranged, the magnetic flux tripping device is fixed by the magnetic flux mounting seat, and the linear cooperation of the guide block and the guide groove makes the moving path of the push rod always linear. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a structural schematic view of the utility model in cooperation with the operating mechanism.

[0026] Figure 2 It is a structural schematic view of the magnetic flux tripping device of the utility model.

[0027] Figure 3 It is a cross section schematic view of the magnetic flux tripping device of the utility model.

[0028] Figure 4 It is a structure schematic view of the magnetic flux mounting seat of the utility model.

[0029] Figure 5 It is a structure schematic view for the utility model used in the measurement switch. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the utility model will be apparently and completely described in combination with the drawings in the embodiments of the utility model. Apparently, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0031] It should be noted that all the directionality indications (such as up, down, left, right, front, back, etc.) in the embodiments of the utility model are only used for explaining the relative position relationship between the components, the movement condition, etc. in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directionality indications also change accordingly.

[0032] Please refer to Figure 1 The utility model provides a kind of magnetic flux tripping device component for intelligent measurement switch, and it is set in measurement switch, and the operating mechanism of measurement switch is controlled, it includes the magnetic flux mounting seat 100 of installation in measurement switch base and the magnetic flux tripping device of fixed setting on magnetic flux mounting seat 100.

[0033] The front end of the magnetic flux mounting seat 100 is provided with a guide groove 110, the extension rule of the guide groove 110 is consistent with the action direction of the magnetic flux tripping device 200, and is linearly arranged, one end of the guide groove can be open, or it can be closed.

[0034] As Figure 2 And Figure 3 The magnetic flux tripping device 200 includes:

[0035] The mounting bracket 210 is fixedly arranged on the magnetic flux mounting seat 100, and has a cavity 214;

[0036] The coil assembly 220 is arranged in the cavity 214, and has a first guide hole 221;

[0037] The static iron core 250 is arranged between the coil assembly 220 and the mounting bracket 210;

[0038] The movable iron core 260 is movably arranged in the first guide hole 221 and is arranged opposite to the static iron core 250.

[0039] The push rod is arranged at the front end of the movable iron core 260 and comprises a guide seat 244 matched with the movable iron core 260, the front end of the guide seat 244 is provided with a reset rod 241, the inner side of the reset rod 241 is provided with a driving rod 242, and the bottom of the guide seat 244 is provided with a guide block 243 arranged in the guide groove 110,

[0040] The push rod can make the operating mechanism 300 of the measuring switch operate in the first state of tripping when the movable iron core 260 is separated from the static iron core 250, and can make the movable iron core 260 contact the static iron core 250 in the second state of reclosing when the operating mechanism 300 is operated, the push rod and the magnetic flux tripping device 200 are provided with a counter spring 230.

[0041] When the coil assembly receives a split excitation tripping signal, it generates a magnetic field and makes the movable iron core generate power, thereby driving the operating mechanism to act and complete the tripping action, and when the fault is removed, the operating mechanism needs to be manually operated to complete the reclosing action, and the magnetic flux tripping device is restored to the compression state by using a lever.

[0042] The mounting bracket 210 comprises a first bracket 212 in the shape of U and an end cover 213 provided with a second guide hole 215, the end cover 213 cooperates with the first bracket 212 to form a cavity 214 accommodating the coil assembly 220.

[0043] The first bracket 212 is provided with a limiting groove at both ends, the end cover is fixed on both sides of the limiting groove to realize the cooperation of the two, the second guide hole of the end cover is coaxially arranged with the first guide hole 221, and the movable iron core 260 can move linearly in the first guide hole 221 and the second guide hole 215.

[0044] The end cover 213 is formed with a sleeve 216 at the front end, the rear end of the guide seat 244 is provided with a hollow structure 245, and the guide seat 244 is sleeved outside the sleeve 216 through the opening, and the inside of the guide seat 244 is clamped or abuts against the movable iron core 260. Thus, the movement direction between the guide seat and the end cover is limited, and the guide seat can be driven by the movable iron core to act.

[0045] The first bracket 212 is extended to the both ends on one side to form a fixed part 211 fixedly connected with the magnetic flux mounting seat 100, and the first bracket 212 is fixedly arranged on the magnetic flux mounting seat through screws to ensure the connection reliability of the two.

[0046] The reset rod extends forward and abuts against the lever of the operating mechanism, and the lever can be driven to rotate by the handle, and the reset rod moves, and the driving rod 242 extends along the inner wall of the reset rod 241, and the driving rod in the inner wall can destroy the lapping state of the lock catch and the trip catch, so that the operating mechanism completes the tripping action, and the length of the driving rod 242 is less than the length of the reset rod 241, and the length of the driving rod is preferably just enough to destroy the lapping state of the trip catch and the lock catch under the driving of the magnetic flux tripping device.

[0047] As shown in Figure 4 The magnetic flux mounting seat 100 is provided with a plurality of positioning plates 120, the positioning plates 120 divide the magnetic flux mounting seat 100 into a plurality of mounting positions, and each mounting position is provided with a magnetic flux tripping device 200.

[0048] The magnetic flux mounting seat 100 is provided with a plurality of positioning plates 120, the positioning plates 120 divide the magnetic flux mounting seat 100 into a plurality of mounting positions, and each mounting position is provided with a magnetic flux tripping device 200.

[0049] As shown in Figure 5 The utility model discloses still a kind of measurement switch, it includes base 400, the base 400 is equipped with the above-mentioned magnetic flux tripping device component for intelligent measurement switch.

[0050] That is to say, the base is provided with a plurality of phase line channels, each phase line channel is provided with a single-phase operating mechanism 300, and a magnetic flux mounting seat is arranged behind the single-phase operating mechanism, and a magnetic flux tripping device is arranged on the magnetic flux mounting seat, and each magnetic flux tripping device corresponds to a single-phase operating mechanism, so that each phase can be controlled independently.

[0051] The embodiments should not be regarded as limitation of the utility model, but any improvement based on the spirit of the utility model should be within the protection scope of the utility model.

Claims

1. A flux trip assembly for an intelligent measuring switch, characterized in that: It includes: A flux mounting base (100) is installed on the base of the measuring switch, and the front end of the flux mounting base (100) is provided with a guide groove (110). Magnetic flux trip unit (200), comprising: The mounting bracket (210) is fixedly mounted on the flux mounting base (100) and has a cavity (214). A coil assembly (220) is disposed within the chamber (214) and has a first guide hole (221). A stationary iron core (250) is disposed between the coil assembly (220) and the mounting bracket (210); The moving iron core (260) is movably disposed in the first guide hole (221) and is disposed opposite to the stationary iron core (250); A push rod is provided at the front end of the moving iron core (260), which includes a guide seat (244) that cooperates with the moving iron core (260). A reset rod (241) is provided at the front end of the guide seat (244), a drive rod (242) is provided inside the reset rod (241), and a guide block (243) is provided at the bottom of the guide seat (244) in the guide groove (110). The push rod can be in the first state of tripping operation of the measuring switch operating mechanism (300) through the drive rod (242) when the moving iron core (260) and the stationary iron core (250) are separated, and in the second state when the operating mechanism (300) is re-operated, the reset rod (241) drives the moving iron core (260) and the stationary iron core (250) to contact. A reaction spring (230) is provided between the push rod and the magnetic flux trip device (200).

2. The flux trip assembly for an intelligent measuring switch according to claim 1, characterized in that: The mounting bracket (210) includes a U-shaped first bracket (212) and an end cap (213) having a second guide hole (215). The end cap (213) cooperates with the first bracket (212) to form a chamber (214) for accommodating the coil assembly (220).

3. A flux trip assembly for an intelligent measuring switch according to claim 2, characterized in that: The second guide hole (215) is coaxially arranged with the first guide hole (221), and the moving iron core (260) can move linearly within the first guide hole (221) and the second guide hole (215).

4. A flux trip assembly for an intelligent measuring switch according to claim 2 or 3, characterized in that: The end cap (213) forms a sleeve (216) at the front end, and the rear end of the guide seat (244) is set as a hollow structure (245), which is sleeved on the outside of the sleeve (216) through the opening, and the inside of the guide seat (244) is engaged or abutted against the moving iron core (260).

5. A flux trip assembly for an intelligent measuring switch according to claim 2, characterized in that: The first bracket (212) extends from one side to both ends to form a fixing part (211) that is fixedly connected to the magnetic flux mounting base (100).

6. A flux trip assembly for an intelligent measuring switch according to claim 1, characterized in that: The drive rod (242) extends along the inner wall of the reset rod (241), and the length of the drive rod (242) is less than the length of the reset rod (241).

7. A flux trip assembly for an intelligent measuring switch according to claim 1, characterized in that: The magnetic flux mounting base (100) is provided with a plurality of positioning plates (120), the positioning plates (120) divide the magnetic flux mounting base (100) into a plurality of mounting positions, and each mounting position is provided with a magnetic flux trip device (200).

8. A flux trip assembly for an intelligent measuring switch according to claim 7, characterized in that: The magnetic flux mounting base (100) is provided with a positioning block (130) for limiting the installation position of the magnetic flux trip device.

9. A measuring switch comprising a base (400), characterized in that: The base (400) is provided with a flux trip assembly for an intelligent measurement switch as described in any one of claims 1 to 8.

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