Circuit breaker with electric leakage indication

Abstract

The utility model provides a circuit breaker with electric leakage indication, which comprises a shell, a handle and a tripping mechanism, the tripping mechanism comprises a coil and a push rod, the circuit breaker also comprises an electric leakage indication mechanism, the electric leakage indication mechanism comprises a first rotating frame, a second rotating frame, an elastic piece I and an elastic piece II, the first rotating frame and the second rotating frame are rotatably arranged in the shell, and the elastic piece I and the elastic piece II are arranged in the shell. An indication board is fixed on the first rotating frame, an indication hole is formed in the shell, a first lapping arm is fixed on the first rotating frame, a second lapping arm and a push arm are fixed on the second rotating frame, a push frame is connected to the push rod, a return arm is arranged on the first rotating frame, and a push plate is arranged on the handle. Electric leakage indication is achieved through the arrangement of the first rotating frame, the second rotating frame and the pushing frame, the structure is simple, manufacturing is convenient, the first rotating frame and the second rotating frame act independently, and the action is more sensitive.

Description

Technical Field

[0001] The utility model relates to the electrical field, in particular to a circuit breaker with a leakage indication. Background Art

[0002] There are many circuit breakers with leakage indication on the market, but the leakage unit is independently set up in a shell, which is linked to the circuit breaker through a connecting rod. Since the leakage unit is independently set up from the circuit breaker, its structure is not affected by the internal structure of the circuit breaker, so there is sufficient space for leakage tripping and indication and other functional settings. However, this structure is quite complicated for the entire circuit breaker, and the action is not sensitive enough. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model provides a circuit breaker with leakage indication, comprising a shell, a handle and a tripping mechanism, the tripping mechanism comprising a coil and a push rod, the coil being installed in the shell, the push rod being installed in the coil, the handle being rotatably installed on the shell, and also comprising a leakage indication mechanism, the leakage indication mechanism comprising a first rotating frame, a second rotating frame, an elastic member 1 and an elastic member 2, the first rotating frame and the second rotating frame being rotatably installed in the shell, an indication plate being fixed on the first rotating frame, an indication hole being provided on the shell, a first arm being fixed on the first rotating frame, a second arm and a push arm being fixed on the second rotating frame, a push frame being connected to the push rod, when leakage occurs, the push rod pushes the push arm to make the second arm separate from the first arm, then the elastic member 1 drives the first rotating frame to rotate, so that the position of the indication plate aligned with the indication hole is changed, the elastic member 2 drives the second rotating frame to rotate, so that the push arm and the push frame are abutted, a return arm is provided on the first rotating frame, and a push plate is provided on the handle.

[0004] Preferably, the push frame is Z-shaped, a connecting block is provided at one end of the push frame, two clamping blocks are axially provided on the push rod, the connecting block passes through between the two clamping blocks, and one end of the push frame facing away from the connecting block is arranged on the rotation track of the push arm.

[0005] Preferably, a mounting frame is provided in the housing, and the first rotating frame and the second rotating frame are mounted on the mounting frame.

[0006] Preferably, a guide sleeve is provided on the coil, a guide needle is fixed on the push frame, and the guide needle is provided in the guide sleeve and can move axially along the guide sleeve.

[0007] Preferably, a guide block is provided on the shell, a guide groove is provided on the guide block, and the middle part of the push frame is arranged in the guide groove.

[0008] Preferably, the first arm includes a connecting arm 1 extending radially along the first rotating frame, one end of the connecting arm 1 is fixed to the first rotating frame, and the other end of the connecting arm 1 is fixed to a crank arm 1.

[0009] Preferably, the second arm includes a second connecting arm extending radially along the second rotating frame, one end of the second connecting arm is fixed on the second rotating frame, and a second crank arm is fixed to the other end of the second connecting arm.

[0010] The beneficial effects of the utility model are as follows: when the circuit breaker trips due to leakage, the coil drives the push rod, the push rod drives the push frame, drives the push arm and the second rotating frame to rotate, so that the second arm is separated from the first arm, and the elastic member drives the first rotating frame to rotate, thereby changing the position of the indicator in the indicator hole, changing the content displayed on the indicator, and displaying that the circuit breaker trips due to leakage, so as to assist the staff to quickly analyze the cause of the trip. The leakage indication is realized by setting the first rotating frame, the second rotating frame and the push frame, the structure is simple, and the manufacturing is convenient, and the first rotating frame and the second rotating frame are independent in action, and the action is more sensitive. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is the overall structure diagram of the utility model;

[0012] Figure 2 It is the structural diagram of the tripping mechanism and the push frame;

[0013] Figure 3 It is a structural diagram of the first rotating frame and the second rotating frame. DETAILED DESCRIPTION

[0014] The present invention will be further described below with reference to the embodiments shown in the accompanying drawings.

[0015] See also Figure 1-Figure 3 The utility model provides a circuit breaker with leakage indication, including a housing 1, a handle 2 and a tripping mechanism, the tripping mechanism including a coil 31 and a push rod 32, the coil 31 is installed in the housing 1, the push rod 32 is installed in the coil 31, the handle 2 is rotatably installed on the housing 1, and also includes a leakage indication mechanism, the leakage indication mechanism includes a first rotating frame 41, a second rotating frame 42, an elastic member 43 and an elastic member 44, the first rotating frame 41 and the second rotating frame 42 are rotatably installed in the housing 1, an indicator 45 is fixed on the first rotating frame 41, and an opening on the housing 1 An indication hole 46 is provided, a first arm 47 is fixed on the first rotating frame 41, a second arm 48 and a push arm 49 are fixed on the second rotating frame 42, and the push frame is connected to the push rod 32. When leakage occurs, the push rod 32 pushes the push arm 49 to separate the second arm 48 from the first arm 47, and then the elastic member 1 43 drives the first rotating frame 41 to rotate, so that the position of the indicator plate 45 aligned with the indication hole 46 is changed, and the elastic member 2 44 drives the second rotating frame 42 to rotate so that the push arm 49 is against the push frame, a return arm 22 is provided on the first rotating frame 41, and a push plate 21 is provided on the handle 2.

[0016] When the circuit breaker trips due to leakage, the coil 31 drives the push rod 32, and the push rod 32 drives the push frame, driving the push arm 49 and the second rotating frame 42 to rotate, so that the second arm 48 is separated from the first arm 47, and the elastic member 43 drives the first rotating frame 41 to rotate, thereby changing the position of the indicator 45 in the indicator hole 46, changing the content displayed on the indicator 45, and displaying that the circuit breaker trips due to leakage, so as to assist the staff to quickly analyze the cause of the trip. The leakage indication is realized by setting the first rotating frame 41, the second rotating frame 42 and the push frame, which has a simple structure and is easy to manufacture, and the first rotating frame 41 and the second rotating frame 42 are independent in action, and the action is more sensitive.

[0017] After completing the troubleshooting, the staff turns the handle 2 to drive the push plate 21 to rotate, and the push plate 21 pushes the return arm 22 and the first rotating frame 41 to rotate back, and the elastic member 44 drives the second rotating frame 42 and the second arm 48 to rotate, so that the second arm 48 clamps the first arm 47, so that the first rotating frame 41 and the second rotating frame 42 maintain the working position.

[0018] Furthermore, the push frame is Z-shaped, with a connecting block 34 provided at one end of the push frame, two clamping blocks 35 provided axially on the push rod 32, the connecting block 34 passes between the two clamping blocks 35, and the end of the push frame facing away from the connecting block 34 is provided on the rotation track of the push arm 49.

[0019] The upper and lower limit connection blocks 34 are connected by two clamping blocks 35, so that the push rod 32 drives the push frame, and the structure is simple and easy to install.

[0020] Furthermore, a mounting frame 11 is disposed in the housing 1 , and the first rotating frame 41 and the second rotating frame 42 are mounted on the mounting frame 11 .

[0021] By disposing the mounting frame 11 , a special position is separated for the installation of the first rotating frame 41 and the second rotating frame 42 , so that the installation of the first rotating frame 41 and the second rotating frame 42 is convenient.

[0022] Furthermore, a guide sleeve 51 is disposed on the coil 31 , and a guide needle 52 is fixed on the push frame. The guide needle 52 is disposed in the guide sleeve 51 and can move axially along the guide sleeve 51 .

[0023] The guide needle 52 and the guide sleeve 51 guide the movement trajectory of the push frame, making the movement of the push frame more stable and controllable.

[0024] Furthermore, a guide block 53 is provided on the housing 1 , a guide groove 54 is provided on the guide block 53 , and the middle portion of the push frame is disposed in the guide groove 54 .

[0025] The guide groove 54 applies a more stable limiting force to the push frame and is not easily deformed during operation, thereby extending the service life of the equipment.

[0026] Furthermore, the first arm 47 includes a connecting arm 471 extending in the radial direction of the first rotating frame 41 , one end of the connecting arm 471 is fixed to the first rotating frame 41 , and a crank arm 472 is fixed to the other end of the connecting arm 471 .

[0027] Furthermore, the second arm 48 includes a second connecting arm 481 extending in the radial direction of the second rotating frame 42 , one end of the second connecting arm 481 is fixed to the second rotating frame 42 , and the other end of the second connecting arm 481 is fixed to a second turning arm 482 .

[0028] The design of the first crank arm 472 and the second crank arm 482 makes the force arm between the first arm 47 and the second arm 48 closer to a right angle, and the structure is more stable when in working state.

[0029] The above are only preferred implementations of the utility model. The protection scope of the utility model is not limited to the above embodiments. All technical solutions under the idea of ​​the utility model belong to the protection scope of the utility model. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the utility model should also be regarded as the protection scope of the utility model.

Claims

1. A circuit breaker with a leakage indication, comprising a housing (1), a handle (2) and a tripping mechanism, wherein the tripping mechanism comprises a coil (31) and a push rod (32), the coil (31) being mounted in the housing (1), the push rod (32) being mounted in the coil (31), and the handle (2) being rotatably mounted on the housing (1), characterized in that: The device also comprises a leakage indication mechanism, the leakage indication mechanism comprising a first rotating frame (41), a second rotating frame (42), an elastic member 1 (43) and an elastic member 2 (44), the first rotating frame (41) and the second rotating frame (42) being rotatably mounted in the housing (1), an indication plate (45) being fixed on the first rotating frame (41), an indication hole (46) being provided on the housing (1), a first arm (47) being fixed on the first rotating frame (41), and a second arm (48) and a push arm (49) being fixed on the second rotating frame (42). The push rod (32) is connected to a push frame (33). When leakage occurs, the push rod (32) pushes the push arm (49) to separate the second arm (48) from the first arm (47). Then, the first elastic member (43) drives the first rotating frame (41) to rotate, so that the position of the indicator plate (45) aligned with the indicator hole (46) changes. The second elastic member (44) drives the second rotating frame (42) to rotate so that the push arm (49) and the push frame (33) are against each other. The first rotating frame (41) is provided with a return arm (22), and the handle (2) is provided with a push plate (21).

2. A circuit breaker with leakage indication according to claim 1, characterized in that: The push frame (33) is in a Z shape. A connecting block (34) is provided at one end of the push frame (33). Two clamping blocks (35) are provided on the push rod (32) along the axial direction. The connecting block (34) passes between the two clamping blocks (35). One end of the push frame (33) facing away from the connecting block (34) is provided on the rotation track of the push arm (49).

3. A circuit breaker with leakage indication according to claim 1, characterized in that: A mounting frame (11) is provided in the housing (1), and the first rotating frame (41) and the second rotating frame (42) are mounted on the mounting frame (11).

4. A circuit breaker with leakage indication according to claim 1, characterized in that: A guide sleeve (51) is provided on the coil (31), a guide needle (52) is fixed on the push frame (33), and the guide needle (52) is provided in the guide sleeve (51) and can move axially along the guide sleeve (51).

5. A circuit breaker with leakage indication according to claim 4, characterized in that: The housing (1) is provided with a guide block (53), the guide block (53) is provided with a guide groove (54), and the middle portion of the push frame (33) is arranged in the guide groove (54).

6. A circuit breaker with leakage indication according to claim 1, characterized in that: The first arm (47) comprises a connecting arm 1 (471) extending radially along the first rotating frame (41), one end of the connecting arm 1 (471) is fixed on the first rotating frame (41), and the other end of the connecting arm 1 (471) is fixed with a crank arm 1 (472).

7. A circuit breaker with leakage indication according to claim 6, characterized in that: The second arm (48) comprises a second connecting arm (481) extending radially along the second rotating frame (42), one end of the second connecting arm (481) being fixed on the second rotating frame (42), and the other end of the second connecting arm (481) being fixed with a second crank arm (482).

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