A circuit breaker leakage test button

Abstract

This utility model discloses a circuit breaker leakage current test button. The key technical features include a circuit breaker body, within which a first conductive rod, a second conductive rod, and a circuit board are disposed. The circuit breaker body also includes a button body and a detection spring. The button body is slidably connected to the circuit breaker body. The detection spring includes a mounting portion and an abutting portion. The mounting portion has an L-shaped structure, and one end of the abutting portion is connected to one end of the mounting portion, forming a deformation angle greater than 90° between them. A limiting groove is formed between the first conductive rod and the circuit breaker body for inserting and limiting the detection spring. This leakage current test button can be easily assembled.

Description

Technical Field

[0001] This utility model relates to a circuit breaker, and more specifically, to a circuit breaker leakage current test button. Background Technology

[0002] Four-in-one miniature circuit breakers typically refer to miniature circuit breakers that possess communication, metering, control, and protection functions. These circuit breakers play a crucial role in low-voltage power distribution systems, enabling real-time monitoring of circuit status, timely fault detection and handling, and effective prevention of electrical fires and other safety accidents. Simultaneously, they support remote control and energy management, helping users achieve energy conservation and emission reduction, and lower energy costs.

[0003] The self-checking leakage current function refers to the circuit breaker's ability to periodically or automatically check whether its leakage current protection device is functioning properly, based on user settings. This function is crucial for ensuring the circuit breaker can operate reliably at critical moments, preventing electrical fires and electric shock accidents.

[0004] Currently, most integrated miniature circuit breakers on the market lack self-detection leakage current function. This means that such circuit breakers may not be able to detect and handle leakage current faults in a timely manner, which significantly increases the potential risk of electrical fires and electric shock accidents.

[0005] Furthermore, some circuit breakers with self-detection leakage current function operate by using a connecting piece and a spring. When the button is pressed, the circuit is opened and the spring is compressed. When the button is released, the connecting piece returns to its original position under the spring's elasticity, thus cutting off the detection circuit. However, this structural design not only increases the complexity of circuit breaker assembly but also requires a dedicated cavity to house the spring during the housing design, further complicating the design and installation process. Utility Model Content

[0006] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a circuit breaker leakage test button that can be easily assembled.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a circuit breaker leakage test button, comprising a circuit breaker body, wherein a first conductive rod, a second conductive rod, and a circuit board are disposed within the circuit breaker body; The circuit breaker body is also provided with a button body and a detection spring. The button body is slidably connected to the circuit breaker body. The detection spring includes a mounting part and an abutting part. The mounting part is arranged in an L-shape. One end of the abutting part is connected to one end of the mounting part and forms a deformation angle greater than 90° with the mounting part. A limiting groove is formed between the first conductive rod and the circuit breaker body for the insertion and limiting of the detection spring.

[0008] The present invention is further configured such that the detection spring is made of copper.

[0009] The present invention is further configured such that: a first plane is provided on the side of the first conductive rod near the circuit breaker body.

[0010] The present invention is further configured such that a second plane is provided at the upper end of the first conductive rod.

[0011] The present invention is further configured such that: a limiting plate is provided inside the circuit breaker body, the limiting plate is located on the upper side of the abutment portion, and is used to limit the detection spring.

[0012] The present invention is further configured such that: the circuit breaker body includes a mounting housing and a connecting housing, the mounting housing and the connecting housing together form a mounting cavity, and an operating mechanism is provided in the mounting cavity; Both the first conductive rod and the second conductive rod are disposed in the mounting cavity, and the second conductive rod is connected to the operating mechanism through a lead wire; The connection housing is equipped with a control mechanism, which includes a circuit board.

[0013] The present invention is further configured such that: the first conductive rod includes a fixing part and a plug-in part, the fixing part is fixedly installed on the mounting housing, the fixing part is provided with a plug-in hole in the middle part, the plug-in part is installed on the connecting housing, and the plug-in part is used to be inserted into the plug-in hole; The connector is connected to the control structure via a lead wire.

[0014] The present invention is further configured such that: the plug-in portion is provided with multiple sets of limiting arms.

[0015] In summary, this utility model has the following beneficial effects: By cleverly utilizing the limiting groove structure naturally formed between the first conductive rod and the circuit breaker body, the detection spring can be quickly and accurately inserted, ensuring that the spring is stably limited and fixed in the vertical direction. Subsequently, the housing on the other side is installed and fixed. This step not only completes the overall assembly work but also simultaneously achieves omnidirectional limiting and stabilization of the detection spring. Therefore, this design exhibits extremely high convenience during assembly. Furthermore, by using a spring structure to replace the original spring design, cost savings and structural optimization are further achieved. Attached Figure Description

[0016] Figure 1 A three-dimensional structural diagram of a circuit breaker; Figure 2 A schematic diagram of the separate structure for mounting the housing and connecting the housing; Figure 3A three-dimensional structural diagram of the mounting housing; Figure 4 This is a three-dimensional structural diagram of the connecting shell; Figure 5 for Figure 3 Enlarged diagram of point A.

[0017] Reference numerals in the attached drawings: 1. Circuit breaker body; 11. Mounting housing; 12. Connecting housing; 13. Operating mechanism; 2. First conductive rod; 3. Second conductive rod; 31. First plane; 32. Second plane; 33. Fixing part; 34. Insertion part; 35. Insertion hole; 36. Limiting arm; 4. Circuit board; 5. Button body; 6. Detection spring; 61. Mounting part; 62. Abutting part; 7. Limiting groove; 8. Limiting plate. Detailed Implementation

[0018] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments. Identical components are indicated by the same reference numerals. It should be noted that the terms "front," "rear," "left," "right," "upper," and "lower" used in the following description refer to directions in the accompanying drawings, and the terms "bottom surface," "top surface," "inner," and "outer" refer to directions toward or away from the geometric center of a specific component, respectively.

[0019] Reference Figures 1 to 5 As shown, in order to achieve the above objectives, this utility model provides the following technical solution: a circuit breaker leakage test button, including a circuit breaker body 1, a first conductive rod 2 and a second conductive rod 3 and a circuit board 4 are provided inside the circuit breaker body 1; The circuit breaker body 1 also contains a button body 5 and a detection spring 6. The button body 5 is slidably connected to the circuit breaker body 1, such as... Figure 5 As shown, the housing has a sliding cavity for the button body 5 to slide in. A spring (not shown in the figure) is installed inside the sliding cavity. When the button body 5 is pressed down, the spring is compressed; when released, the spring force lifts the button body 5 back to its original position. Alternatively, when the spring force of the sensing spring 6 is sufficient, the sensing spring 6 can replace the spring design. When released, the stress of the sensing spring 6 lifts the button body 5 back to its original position.

[0020] The detection spring 6 includes a mounting part 61 and an abutting part 62. The mounting part 61 is arranged in an L-shape. One end of the abutting part 62 is connected to one end of the mounting part 61 and forms a deformation angle greater than 90° with the mounting part 61. A limiting groove 7 is formed between the first conductive rod 2 and the circuit breaker body 1 for the insertion and limiting of the detection spring 6.

[0021] Operating procedure: The user can press button 5 on the circuit breaker body 1 (usually marked with "T" or a test icon) to simulate a leakage current signal and trigger a trip. If the circuit breaker can reset after tripping, it indicates that the switch is normal; if it does not trip, the protector needs to be replaced.

[0022] This invention cleverly utilizes the naturally formed limiting groove 7 between the first conductive rod 2 and the circuit breaker body 1 to achieve rapid and precise insertion of the detection spring 6. This operation ensures the spring is stably fixed in the vertical direction. Subsequently, the housing on the other side is installed and fixed. This step not only completes the overall assembly but also simultaneously achieves omnidirectional limiting and stabilization of the detection spring 6. Therefore, this design exhibits extremely high convenience during assembly. Furthermore, by using a spring structure instead of the original spring design, cost savings and structural optimization are further achieved.

[0023] This invention is further characterized in that the detection spring 6 is made of copper. Copper has excellent thermal conductivity, ductility, and corrosion resistance.

[0024] This invention is further configured such that a first flat surface 31 is provided on the side of the first conductive rod 2 near the circuit breaker body 1. This structural design allows the limiting groove 7 to have a long, flat groove space, facilitating the insertion of the detection spring 6 and providing a stable installation area. Furthermore, it prevents single-point stress on the detection spring when it bends (single-point stress can easily damage the detection spring). The present invention is further configured such that a second plane 32 is provided at the upper end of the first conductive rod 2. This second plane 32 design increases the contact area between the detection spring 6 and the first conductive rod 2 when the detection spring 6 is pressed down, resulting in more stable contact and extending the service life of the spring.

[0025] This utility model is further configured such that: a limiting plate 8 is provided inside the circuit breaker body 1, the limiting plate 8 is located on the upper side of the abutment part 62, and is used to limit the detection spring 6. Figure 5 As shown, the design of this structure can work in conjunction with the first conductive rod 2 to reasonably limit and fix the detection spring 6.

[0026] The present invention is further configured such that: the circuit breaker body 1 includes a mounting housing 11 and a connecting housing 12, the mounting housing 11 and the connecting housing 12 together form a mounting cavity, and an operating mechanism 13 is provided in the mounting cavity; The first conductive rod 2 and the second conductive rod 3 are both disposed in the mounting cavity, and the second conductive rod 3 is connected to the operating mechanism 13 through a lead wire; A control mechanism is provided inside the housing 12, and the control mechanism includes a circuit board 4.

[0027] The design of this structure separates the operating mechanism 13 and the control mechanism, with the operating mechanism 13 located in the mounting cavity and the control mechanism located in the connecting housing 12. The two are connected by wires, allowing for targeted disassembly and maintenance when one of the operating mechanisms 13 needs maintenance.

[0028] The present invention is further configured such that: the first conductive rod 2 includes a fixing part 33 and a plug-in part 34, the fixing part 33 is fixedly installed on the mounting housing 11, the fixing part 33 is provided with a plug-in hole 35 in the middle part, the plug-in part 34 is installed on the connecting housing 12, and the plug-in part 34 is used to be inserted into the plug-in hole 35; The plug-in part 34 is connected to the control structure via a lead wire. This structure is designed such that when the connecting housing 12 is installed onto the mounting housing 11, the plug-in part 34 is inserted into the fixing part 33 and forms a contact, creating a circuit connection between the tubes. At this time, when the detection spring 6 contacts the second conductive rod 3 and the first conductive rod 2, the operating mechanism 13, the second conductive rod 3, the fixing part 33, the plug-in part 34, and the circuit board 4 are connected.

[0029] The design of this structure, through the design of the plug part 34, facilitates the extension of the wires at the rear end.

[0030] The present invention is further configured such that: the plug-in portion 34 is provided with multiple sets of limiting arms 36.

[0031] The design of this structure allows the limiting arm 36 to abut against the outer end of the fixing part 33 when the plug part 34 is inserted into the plug hole 35, thereby fixing the detection spring 6 and preventing the detection spring 6 from slipping out.

[0032] The above are merely preferred embodiments of this utility model. The protection scope of this utility model is not limited to the above embodiments. All technical solutions falling within the scope of this utility model's concept are within its protection scope. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principle of this utility model should also be considered within its protection scope.

Claims

1. A leakage test button for a circuit breaker, comprising a circuit breaker body (1), characterized in that: The circuit breaker body (1) is provided with a first conductive rod (2), a second conductive rod (3), and a circuit board (4); The circuit breaker body (1) is also provided with a button body (5) and a detection spring (6). The button body (5) is slidably connected to the circuit breaker body (1). The detection spring (6) includes a mounting part (61) and a contact part (62). The mounting part (61) is arranged in an L-shape. One end of the contact part (62) is connected to one end of the mounting part (61) and a deformation angle greater than 90° is formed between the contact part (62) and the mounting part (61). A limiting groove (7) is formed between the first conductive rod (2) and the circuit breaker body (1) for the insertion and limiting of the detection spring (6).

2. The button of claim 1, wherein: The detection spring (6) is made of copper.

3. The circuit breaker leakage current test button according to claim 1, characterized in that: The first conductive rod (2) has a first plane (31) on the side near the circuit breaker body (1).

4. The button of claim 1, wherein: The upper end of the first conductive rod (2) is provided with a second plane (32). ​ 5. A circuit breaker leakage current test button according to claim 1, characterized in that: The circuit breaker body (1) is provided with a limiting plate (8), which is located on the upper side of the abutment part (62) and is used to limit the detection spring (6).

6. A circuit breaker leakage current test button according to any one of claims 1-5, characterized in that: The circuit breaker body (1) includes a mounting housing (11) and a connecting housing (12), which together form a mounting cavity, and an operating mechanism (13) is provided in the mounting cavity; The first conductive rod (2) and the second conductive rod (3) are both disposed in the mounting cavity, and the second conductive rod (3) is connected to the operating mechanism (13) through a lead wire; The connecting housing (12) is provided with a control mechanism, which includes a circuit board (4).

7. The button of claim 6, wherein: The first conductive rod (2) includes a fixing part (33) and a plug-in part (34). The fixing part (33) is fixedly installed on the mounting housing (11). A plug-in hole (35) is provided in the middle of the fixing part (33). The plug-in part (34) is installed on the connecting housing (12). The plug-in part (34) is used to be inserted into the plug-in hole (35). The connector (34) is connected to the control structure via a lead wire.

8. The button of claim 7, wherein: The plug-in portion (34) is provided with multiple sets of limiting arms (36).

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