A sensor for a new type of grounding switch

Abstract

The utility model discloses a novel sensor of grounding switch, including sensor main part and ground contact, be provided with conducting component in sensor main part, this conducting component includes conducting strip, first fixed conducting insert, second fixed conducting insert, resistance component and secondary wiring terminal, and conducting strip one end is fixed with first fixed conducting insert and second fixed conducting insert welding respectively, and conducting strip other end is fixed with secondary wiring terminal welding, and resistance component is fixed with conducting strip welding, sensor main part one end is detachably connected with ground contact, and the other end of sensor main part is provided with mounting fixed frame, the integral setting of sensor main part has a plurality of anti -rotation boss, and mounting fixed frame is provided with limiting jack, and each anti -rotation boss inserts into the limiting through -hole of alignment. The above technical scheme, the structure design is reasonable, simple structure, the low manufacturing cost, can reduce the accident rate, and the conductivity of ground contact is good, and the replacement operation is convenient and the practicality is good.

Description

Technical Field

[0001] This utility model relates to the field of grounding switch technology, and specifically to a novel grounding switch sensor. Background Technology

[0002] Grounding switches are common components in high-voltage distribution cabinets. They typically include moving contacts, stationary contacts, and sensors connected to the stationary contacts. However, existing grounding switch sensor structures have several shortcomings: The sensors generally consist of a sensor body and grounding contacts. Due to unreasonable structural design, they are complex, have high manufacturing costs, and the sensor body is bolted to the mounting plate. Loose bolts can easily cause the sensor body to rotate, leading to a high accident rate. Furthermore, the grounding contacts have poor conductivity; installation and replacement are cumbersome, resulting in poor practicality. Utility Model Content

[0003] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a new type of grounding switch sensor with reasonable structural design, simple structure, low manufacturing cost, ability to reduce accident rate, good conductivity of grounding contact, convenient replacement operation and good practicality.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a novel grounding switch sensor, comprising a sensor body and a grounding contact, wherein a conductive component is disposed within the sensor body, the conductive component comprising a conductive strip, a first fixed conductive insert, a second fixed conductive insert, a resistor component, and a secondary terminal, one end of the conductive strip being welded and fixed to the first fixed conductive insert and the second fixed conductive insert respectively, and the other end of the conductive strip being welded and fixed to the secondary terminal, the resistor component being disposed between the secondary terminal and the second fixed conductive insert, and the resistor component being welded and fixed to the conductive strip; One end of the sensor body is detachably connected to the grounding contact, and the other end of the sensor body is provided with a mounting bracket. The mounting bracket is provided with a bolt assembly, and the mounting bracket is fixed to the sensor body by the bolt assembly. The sensor body has several anti-rotation protrusions integrally formed on the end face of the mounting bracket. The mounting bracket has a limiting hole aligned with each anti-rotation protrusion, and each anti-rotation protrusion is inserted into the aligned limiting hole.

[0005] The present invention is further configured such that: the grounding contact includes a copper busbar connecting plate, the copper busbar connecting plate is provided with a plurality of copper busbar fixing through holes; the copper busbar connecting plate is integrally provided with a conductive protrusion, the conductive protrusion is provided with a first threaded through hole and a second threaded through hole on the end face of the conductive protrusion near the sensor body, one end of the first fixed conductive insert is aligned with the first threaded through hole, and one end of the second fixed conductive insert is aligned with the second threaded through hole.

[0006] The present invention is further configured such that: the conductive bump is provided with a split conductive contact surface, and the conductive bump is provided with an inclined surface away from the end of the sensor body.

[0007] The present invention is further configured such that the end face of the copper busbar connecting plate facing away from the conductive bump is the copper busbar contact surface, and the copper busbar contact surface is provided with a concave-convex structure.

[0008] The present invention is further configured such that the copper busbar connecting plate has a rectangular structure and the four top corners of the copper busbar connecting plate are rounded.

[0009] The present invention is further configured such that: the sensor body near the grounding contact end is provided with a first bolt through hole aligned with the first threaded through hole, a first fixing bolt is provided at one end of the first bolt through hole, the first fixing conductive insert is sleeved on the first fixing bolt, and the head of the first fixing bolt passes through the first bolt through hole and the first fixing conductive insert in sequence and is threadedly connected to the first threaded through hole; The sensor body has a second bolt through hole near the grounding contact end, which is aligned with the second threaded through hole. A second fixing bolt is provided at one end of the second bolt through hole. The second fixing conductive insert is sleeved on the second fixing bolt, and the head of the second fixing bolt passes through the second bolt through hole and the second fixing conductive insert in sequence and is threadedly connected to the second threaded through hole.

[0010] The beneficial effects of this utility model are: compared with the prior art, the structure of this utility model is reasonable. The conductive strip, the first fixed conductive insert, the second fixed conductive insert, the resistor assembly and the secondary wiring terminal are double welded to ensure stability and prevent poor contact caused by poor welding. The mounting bracket is fixed to the sensor body with bolts to prevent rotation and reduce the accident rate. The end face of the copper busbar connecting plate facing away from the conductive bump is the copper busbar contact surface, which has a concave-convex structure to increase conductivity. The conductive bump of the grounding contact has a split-open conductive contact surface, and the end of the conductive bump facing away from the sensor body is angled. The split-open conductive contact surface has an arc structure, which ensures the stability of opening and closing; the angle reduces the probability of discharge. One end of the sensor body is fixed to the grounding contact with bolts, making installation and removal convenient. The structure is simple, the manufacturing cost is low, it can reduce the accident rate, the grounding contact has good conductivity, the replacement operation is convenient, and it is practical.

[0011] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of an embodiment of the present utility model; Figure 2 This is a front view schematic diagram of an embodiment of the present utility model; Figure 3 This is an exploded view of an embodiment of the present invention; Figure 4 This is a partial structural schematic diagram of an embodiment of the present utility model; Figure 5 This is a partial explosion diagram of an embodiment of the present invention; Figure 6 This is a schematic diagram of the structure of the grounding contact in an embodiment of this utility model; Figure 7 This is a schematic diagram of the structure of the copper busbar connecting plate in an embodiment of this utility model. Detailed Implementation

[0013] In the description of this embodiment, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," "front," and "rear," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0014] See Figures 1 to 7 This utility model discloses a novel grounding switch sensor, comprising a sensor body 1 and a grounding contact 2. The sensor body 1 is provided with a conductive component, which includes a conductive strip 3, a first fixed conductive insert 4, a second fixed conductive insert 5, a resistor component 6, and a secondary terminal 7. One end of the conductive strip 3 is welded and fixed to the first fixed conductive insert 4 and the second fixed conductive insert 5, and the other end of the conductive strip 3 is welded and fixed to the secondary terminal 7. The resistor component 6 is disposed between the secondary terminal 7 and the second fixed conductive insert 5, and the resistor component 6 is welded and fixed to the conductive strip 3. One end of the sensor body 1 is detachably connected to the grounding contact 2, and the other end of the sensor body 1 is provided with a mounting bracket 8. The mounting bracket 8 is provided with a bolt assembly 9, and the mounting bracket 8 is fixed to the sensor body 1 by the bolt assembly 9. The sensor body 1 has a plurality of anti-rotation protrusions 11 integrally provided on the end face of the mounting bracket 8. The mounting bracket 8 is provided with a limiting hole 81 aligned with each anti-rotation protrusion. Each anti-rotation protrusion 11 is inserted into the aligned limiting hole 81.

[0015] Preferably, the sensor body 1 is made of epoxy resin and has a skirt to increase the creepage distance. The sensor body 1 is integrally formed with the conductive components or fixed by screws. The sensor body 1 has a terminal interface at the end opposite to the grounding contact 2, and the secondary wiring terminal 7 is located inside or exposed at the terminal interface at the end opposite to the conductive strip 3. The number of anti-rotation protrusions 11 on the end face of the sensor body 1 aligned with the mounting bracket 8 is 1-3.

[0016] Preferably, the anti-rotation protrusion 11 is provided on the bottom surface of the sensor body 1, and the bottom of the sensor body 1 is provided with a threaded connection hole 12, and the upper end face of the mounting bracket 8 is provided with a bolt through hole 82 aligned with the threaded connection hole 12.

[0017] To make the structural design of this utility model more reasonable, as a preferred embodiment, the grounding contact 2 includes a copper busbar connecting plate 21, which is provided with a plurality of copper busbar fixing through holes 211; a conductive protrusion 22 is integrally provided on the copper busbar connecting plate 21, and a first threaded through hole 221 and a second threaded through hole 222 are provided on the end face of the conductive protrusion 22 near the sensor body 1; one end of the first fixed conductive insert 4 is aligned with the first threaded through hole 221, and one end of the second fixed conductive insert 5 is aligned with the second threaded through hole 222.

[0018] The conductive bump 22 is provided with a splitting and engaging conductive contact surface 223, and the conductive bump 22 is provided with an angle 224 away from the end of the sensor body. Preferably, the splitting and engaging conductive contact surface 223 is an arc structure, the arc shape ensures the stability of splitting and engaging; the angle 224 reduces the probability of discharge.

[0019] The end face of the copper busbar connecting plate 21 facing away from the conductive bump 22 is the copper busbar contact surface, which has a concave-convex structure. The concave-convex surface layout increases conductivity.

[0020] The copper busbar connecting plate 21 has a rectangular structure, and the four top corners of the copper busbar connecting plate 21 are provided with rounded corners 212.

[0021] The sensor body 1 has a first bolt through hole near the grounding contact end, which is aligned with the first threaded through hole 221. A first fixing bolt 10 is provided at one end of the first bolt through hole. The first fixing conductive insert 4 is sleeved on the first fixing bolt 10, and the head of the first fixing bolt 10 passes through the first bolt through hole and the first fixing conductive insert in sequence and is threadedly connected to the first threaded through hole 221. The sensor body 1 has a second bolt through hole near the grounding contact end, which is aligned with the second threaded through hole 222. A second fixing bolt 20 is provided at one end of the second bolt through hole. The second fixing conductive insert 5 is sleeved on the second fixing bolt 20, and the head of the second fixing bolt 20 passes through the second bolt through hole and the second fixing conductive insert in sequence and is threadedly connected to the second threaded through hole 222.

[0022] Preferably, both the first fixed conductive insert 4 and the second fixed conductive insert 5 are sleeve-shaped structures.

[0023] In practical applications, the conductive strip 3, the first fixed conductive insert 4, the second fixed conductive insert 5, the resistor assembly 6, and the secondary wiring terminal 7 are double-welded to ensure stability and prevent poor contact caused by incomplete welding. One end of the sensor body 1 is detachably connected to the grounding contact 2, and the other end of the sensor body 1 is provided with a mounting bracket 8. The mounting bracket 8 is provided with a bolt assembly 9, and the mounting bracket 8 is fixed to the sensor body 1 by the bolt assembly 9 to prevent the sensor body 1 from rotating, thereby reducing the accident rate. The end face of the copper busbar connecting plate 21 facing away from the conductive protrusion 22 is the copper busbar contact surface. This copper busbar contact surface is provided with a concave-convex structure, and the concave-convex layout of the surface increases conductivity. The conductive protrusion 22 of the grounding contact 2 is provided with a split-open conductive contact surface 223, and the end of the conductive protrusion 22 facing away from the sensor body is provided with an angle 224. The split-open conductive contact surface 223 is an arc structure, and the arc shape ensures the stability of splitting and opening. The angle 224 reduces the probability of discharge. One end of the sensor body 1 is fixed to the grounding contact 2 by bolts, which is convenient for installation and removal.

[0024] In summary, this embodiment has a reasonable structural design, simple structure, low manufacturing cost, can reduce the accident rate, has good conductivity of grounding contacts, is easy to replace and has good practicality.

[0025] The above description of the specific embodiments of this utility model is only used to further illustrate this utility model and should not be construed as limiting the scope of protection of this utility model. Any non-essential improvements and adjustments made to this utility model by technical engineers based on the above description of the utility model shall fall within the scope of protection of this utility model.

Claims

1. A novel grounding switch sensor, comprising a sensor body (1) and a grounding contact (2), characterized in that: The sensor body (1) is provided with a conductive component, which includes a conductive strip (3), a first fixed conductive insert (4), a second fixed conductive insert (5), a resistor component (6), and a secondary terminal (7). One end of the conductive strip (3) is welded and fixed to the first fixed conductive insert (4) and the second fixed conductive insert (5), and the other end of the conductive strip (3) is welded and fixed to the secondary terminal (7). The resistor component (6) is disposed between the secondary terminal (7) and the second fixed conductive insert (5), and the resistor component (6) is welded and fixed to the conductive strip (3). One end of the sensor body (1) is detachably connected to the grounding contact (2), and the other end of the sensor body (1) is provided with a mounting bracket (8). The mounting bracket (8) is provided with a bolt assembly (9), and the mounting bracket (8) is fixed to the sensor body (1) by the bolt assembly (9). The sensor body (1) is integrally provided with a number of anti-rotation protrusions (11) on the end face of the mounting bracket (8). The mounting bracket (8) is provided with a limiting hole (81) aligned with each anti-rotation protrusion. Each anti-rotation protrusion (11) is inserted into the aligned limiting hole (81).

2. The sensor for a novel grounding switch according to claim 1, characterized in that: The grounding contact (2) includes a copper busbar connecting plate (21), which has a plurality of copper busbar fixing through holes (211). The copper busbar connecting plate (21) is integrally provided with a conductive bump (22). The conductive bump (22) has a first threaded through hole (221) and a second threaded through hole (222) on the end face of the conductive bump (22) near the sensor body (1). One end of the first fixed conductive insert (4) is aligned with the first threaded through hole (221), and one end of the second fixed conductive insert (5) is aligned with the second threaded through hole (222).

3. The sensor for a novel grounding switch according to claim 2, characterized in that: The conductive bump (22) is provided with a split conductive contact surface (223), and the conductive bump (22) is provided with an oblique angle (224) away from the sensor body.

4. The sensor for a novel grounding switch according to claim 3, characterized in that: The end face of the copper busbar connecting plate (21) facing away from the conductive bump (22) is the copper busbar contact surface, which is provided with a concave-convex structure.

5. The sensor for a novel grounding switch according to claim 4, characterized in that: The copper busbar connecting plate (21) has a rectangular structure, and the four top corners of the copper busbar connecting plate (21) are provided with rounded corners (212).

6. The sensor for a novel grounding switch according to claim 5, characterized in that: The sensor body (1) has a first bolt through hole near the grounding contact end, which is aligned with the first threaded through hole (221). A first fixing bolt (10) is provided at one end of the first bolt through hole. The first fixing conductive insert (4) is sleeved on the first fixing bolt (10). The head of the first fixing bolt (10) passes through the first bolt through hole and the first fixing conductive insert in sequence and is threadedly connected to the first threaded through hole (221). The sensor body (1) has a second bolt through hole near the grounding contact end, which is aligned with the second threaded through hole (222). A second fixing bolt (20) is provided at one end of the second bolt through hole. The second fixing conductive insert (5) is sleeved on the second fixing bolt (20), and the head of the second fixing bolt (20) passes through the second bolt through hole and the second fixing conductive insert in sequence and is threadedly connected to the second threaded through hole (222).

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