Circuit breaker mechanism, ring network cabinet

Abstract

The application relates to a circuit breaker mechanism, comprising a frame, the back side of the frame serving as a mounting surface; an input shaft arranged in the frame and parallel to the back side of the frame; an energy storage shaft arranged in the frame and parallel to the back side of the frame; an output transmission shaft arranged in the frame and parallel to the back side of the frame; an output shaft arranged in the frame and perpendicular to the back side of the frame; and a transmission rod, one end of which is rotationally connected to a crank arm and the other end of which is rotationally connected to a swing rod. The application also relates to a ring network cabinet, comprising a cabinet body, one side of the cabinet body being provided with the circuit breaker mechanism. The size of the circuit breaker mechanism in the depth (front-rear) direction is reduced, and the width of the ring network cabinet provided with the circuit breaker mechanism is finally reduced.

Description

Technical Field

[0001] The invention relates to a circuit breaker mechanism and a ring network cabinet. Background Art

[0002] Current market demands necessitate minimizing the width of ring main units (RMUs). As a factor affecting the width of the RMU, the isolation mechanism requires applicants to find ways to reduce its depth. The circuit breaker mechanism, a crucial component in a RMU, connects to the circuit breaker and controls its closing and opening. Reducing the depth of the circuit breaker mechanism significantly impacts the width of the RMU.

[0003] Conventional circuit breaker mechanisms, such as Figure 1 As shown, it includes a frame 2, an input shaft 3, an energy storage shaft 4, an output transmission shaft 5 and an output shaft 6. The rear side of the frame serves as the mounting surface of the entire circuit breaker mechanism. In the previous circuit breaker mechanism, Figure 2 As shown, the input shaft 3, energy storage shaft 4, output transmission shaft 5 and output shaft 6 are all arranged vertically relative to the rear side surface in the frame. This structure causes the circuit breaker mechanism to be too large in the front-to-back depth direction. After this circuit breaker mechanism is installed on the ring network cabinet, the width direction of the entire ring network cabinet will be too large.

[0004] In summary, the existing circuit breaker mechanism has a problem of large dimension in the depth direction, which leads to a large dimension in the width direction of the ring main unit. Summary of the Invention

[0005] The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a circuit breaker mechanism and a ring network cabinet to solve the problem that the front-to-back depth dimension of the circuit breaker mechanism roughly makes the width dimension of the ring network cabinet larger.

[0006] The technical solution adopted by the present invention to solve its technical problem is:

[0007] First aspect:

[0008] A circuit breaker mechanism is provided, comprising:

[0009] A rack, wherein the rear side of the rack serves as a mounting surface;

[0010] The input shaft is arranged in the frame and parallel to the rear side of the frame;

[0011] The energy storage shaft is arranged in the frame and parallel to the rear side of the frame, and one end of the shaft is connected to the closing energy storage spring;

[0012] The output drive shaft is arranged in the frame and parallel to the rear side of the frame, one end of which is connected to the trip energy storage spring and the other end is fixedly connected to the crank arm;

[0013] An output shaft is arranged in the frame and is perpendicular to the rear side of the frame, and a rocker is fixedly arranged on the output shaft;

[0014] A transmission rod has one end rotatably connected to the crank arm, and the other end rotatably connected to the swing arm.

[0015] Furthermore, the closing energy storage spring is located on the right side of the frame, and the opening energy storage spring is located on the left side of the frame.

[0016] Furthermore, the rack includes

[0017] Three first flat plates, the first flat plates are arranged in a front-to-rear direction, the first flat plates are parallel to each other, and adjacent first flat plates are fixedly connected by a plurality of connecting columns;

[0018] There are three second flat plates, which are arranged in left and right directions, are parallel to each other, and are arranged between two adjacent first flat plates on the right side.

[0019] Furthermore, the input shaft and the energy storage shaft are rotatably arranged between the two first flat plates on the right side;

[0020] The output transmission shaft forms a rotational fit with the three first flat plates;

[0021] The output shaft forms a rotational fit with the three second flat plates.

[0022] Second aspect:

[0023] A ring network cabinet is provided, comprising

[0024] A cabinet body, wherein the circuit breaker mechanism is installed on one side of the cabinet body.

[0025] The beneficial effects of the present invention are:

[0026] By re-optimizing the design of the circuit breaker mechanism, the input shaft, energy storage shaft, and output drive shaft are arranged parallel to the mounting surface in the frame, and the output shaft is arranged perpendicular to the mounting surface of the frame. This can reduce the size of the circuit breaker mechanism in the depth (front and back) direction, and ultimately reduce the width direction of the ring network cabinet in which the circuit breaker mechanism is installed. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] The present invention will be further described below with reference to the accompanying drawings.

[0028] Figure 1 Yes and Figure 2 It is a schematic diagram of a traditional circuit breaker mechanism;

[0029] Figure 3 is a schematic diagram of the circuit breaker mechanism of the present invention;

[0030] Figure 4 and Figure 5 It is a transmission structure diagram among the input shaft, energy storage shaft, output transmission shaft and output shaft;

[0031] Figure 6 It is a schematic diagram of the rack;

[0032] Among them, 2, frame, 21, first plate, 22, second plate;

[0033] 3. Input shaft;

[0034] 4. Energy storage shaft;

[0035] 5. Output drive shaft, 51. Crank arm;

[0036] 6. Output shaft, 61. Rocker;

[0037] 7. Transmission rod;

[0038] 81. Closing energy storage spring, 82. Opening energy storage spring. DETAILED DESCRIPTION

[0039] The present invention will now be further described with reference to the accompanying drawings, which are simplified schematic diagrams illustrating the basic structure of the present invention in a schematic manner, and thus only show components related to the present invention.

[0040] Example 1

[0041] like Figures 3 to 6 As shown, a circuit breaker mechanism includes

[0042] A rack 2, wherein the rear side of the rack 2 serves as a mounting surface;

[0043] The input shaft 3 is arranged in the frame 2 and is parallel to the rear side of the frame 2;

[0044] The energy storage shaft 4 is arranged in the frame 2 and is parallel to the rear side of the frame 2, and one end of the shaft is connected to the closing energy storage spring 81;

[0045] The output transmission shaft 5 is arranged in the frame 2 and is parallel to the rear side of the frame 2. One end of the output transmission shaft 5 is connected to the opening energy storage spring 82, and the other end is fixedly connected to the crank arm 51;

[0046] An output shaft 6 is disposed in the frame 2 and is perpendicular to the rear side of the frame 2. A rocker arm 61 is fixedly disposed on the output shaft 6.

[0047] The transmission rod 7 has one end rotatably connected to the crank arm 51 , and the other end rotatably connected to the rocker arm 61 .

[0048] Specifically, as an optional implementation in this embodiment, Figure 4 and Figure 5As shown, the closing energy storage spring 81 is located on the right side of the frame 2 , and the opening energy storage spring 82 is located on the left side of the frame 2 .

[0049] Specifically, as an optional implementation in this embodiment, Figure 6 As shown, the rack 2 includes

[0050] Three first flat plates 21 , the first flat plates 21 are arranged in a front-to-back direction, and the first flat plates 21 are parallel to each other, and adjacent first flat plates 21 are fixedly connected by a plurality of connecting columns;

[0051] There are three second flat plates 22 , which are arranged in a left-right direction. The second flat plates 22 are parallel to each other, and each second flat plate 22 is arranged between two adjacent first flat plates 21 on the right side.

[0052] Specifically, as an optional implementation in this embodiment, Figures 3 to 6 As shown, the input shaft 3 and the energy storage shaft 4 are rotatably arranged between the two first plates 21 on the right side; the input shaft 3 and the energy storage shaft 4 are rotatably fitted with the first plates 21 using bearings;

[0053] The output transmission shaft 5 forms a rotational fit with the three first flat plates 21 ; the output transmission shaft 5 forms a rotational fit with the first flat plates 21 via three bearings.

[0054] The output shaft 6 is in rotational engagement with the three second flat plates 22. The output shaft 6 is in rotational engagement with the three second flat plates 22 via three bearings.

[0055] In the circuit breaker mechanism of the present invention, the input shaft 3, the energy storage shaft 4, and the output transmission shaft 5 are arranged parallel to the mounting surface within the frame 2, and the output shaft 6 is arranged perpendicular to the mounting surface of the frame 2. This can reduce the depth (front-to-back) dimension of the circuit breaker mechanism and ultimately reduce the width dimension of the ring main unit in which the circuit breaker mechanism is installed.

[0056] During operation, an energy storage transmission mechanism is provided on the energy storage shaft 4, which is respectively connected to the input shaft 3 and the output transmission shaft 5. The gear on the output shaft 6 cooperates with the energy storage transmission mechanism to drive the energy storage shaft 4 to rotate. The energy storage shaft 4 drives the closing energy storage spring 81 to store energy. After the energy storage is completed, by pressing the closing half shaft on the circuit breaker, the closing energy storage spring 81 starts to release energy. The energy storage shaft 4 drives the crank arm 51 and the output transmission shaft 5 to rotate through the energy storage transmission mechanism. The crank arm 51 then drives the output shaft 6 to rotate in the closing direction through the transmission rod 7 and the rocker arm 61, thereby closing the circuit breaker switch.

[0057] After the closing position is rotated to the full position, the opening energy storage spring 82 is also fully charged. Next, pressing the opening half shaft can drive the opening energy storage spring 82 to start releasing energy, thereby driving the output transmission shaft 5 to rotate in the opening direction. The output transmission shaft 5 drives the output shaft 6 to rotate in the opening direction through the crank arm 51, the transmission rod 7 and the swing arm, thereby realizing the opening of the circuit breaker switch.

[0058] The energy storage mechanism belongs to the existing technology, and you can refer to the prior patent, patent number: 201920555722.1, patent name: Riveted cam for circuit breaker and its energy storage spindle mechanism.

[0059] The circuit breaker mechanism of the present invention does not improve the transmission coordination relationship between the various shafts, but only optimizes the arrangement of the various shafts on the frame 2. That is, the input shaft 3, the energy storage shaft 4, and the output transmission shaft 5 are arranged parallel to the mounting surface in the frame 2, and the output shaft 6 is arranged perpendicular to the mounting surface of the frame 2. The output shaft 6 and the output transmission shaft 5 are connected by a transmission rod 7 to realize power transmission.

[0060] Example 2

[0061] A ring main unit, comprising

[0062] A cabinet body, wherein the circuit breaker mechanism of the first embodiment is installed on one side of the cabinet body.

[0063] The rear side of the circuit breaker mechanism is installed on the left or right side of the cabinet. As the depth of the circuit breaker mechanism becomes smaller, the corresponding left and right width dimensions of the ring network cabinet also become smaller, making it more in line with market demand.

[0064] With the above-described preferred embodiments of the present invention as a guide, and with reference to the above description, relevant personnel are fully capable of making various changes and modifications without departing from the technical scope of this invention. The technical scope of this invention is not limited to the contents of the specification and must be determined according to the scope of the claims.

Claims

1. A circuit breaker mechanism, characterized in that: include A rack, wherein the rear side of the rack serves as a mounting surface; The input shaft is arranged in the frame and parallel to the rear side of the frame; The energy storage shaft is arranged in the frame and parallel to the rear side of the frame, and one end of the shaft is connected to the closing energy storage spring; The output drive shaft is arranged in the frame and parallel to the rear side of the frame, one end of which is connected to the trip energy storage spring and the other end is fixedly connected to the crank arm; An output shaft is arranged in the frame and is perpendicular to the rear side of the frame, and a rocker is fixedly arranged on the output shaft; A transmission rod, one end of which is rotatably connected to the crank arm, and the other end of which is rotatably connected to the swing arm; The closing energy storage spring is located on the right side of the frame, and the opening energy storage spring is located on the left side of the frame; The rack includes Three first flat plates, the first flat plates are arranged in a front-to-rear direction, the first flat plates are parallel to each other, and adjacent first flat plates are fixedly connected by a plurality of connecting columns; There are three second flat plates, which are arranged in left and right directions, are parallel to each other, and are arranged between two adjacent first flat plates on the right side.

2. The circuit breaker mechanism according to claim 1, wherein: The input shaft and the energy storage shaft are rotatably arranged between the two first flat plates on the right side; The output transmission shaft forms a rotational fit with the three first flat plates; The output shaft forms a rotational fit with the three second flat plates.

3. A ring main unit, characterized in that: The utility model comprises a cabinet, and a circuit breaker mechanism according to any one of claims 1 to 2 is installed on one side of the cabinet.

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