CN221613780U

CN221613780U - Miniaturized device is connected to the ground switch of (a)

Info

Publication number: CN221613780U
Application number: CN202323662176.7U
Authority: CN
Inventors: 章如海; 颜孙秀
Original assignee: Xingji Electric Appliance Group Co ltd
Current assignee: Xingji Electric Appliance Group Co ltd
Priority date: 2023-12-29
Filing date: 2023-12-29
Publication date: 2024-08-27
Anticipated expiration: 2033-12-29

Abstract

The utility model provides a miniaturized grounding switch, which comprises a mounting seat, wherein at least one sensor is mounted on the mounting seat, the upper end of the sensor is connected with an insulating partition plate, a cutter head device and a fixing device are arranged in the insulating partition plate, and the cutter head device is movably matched with a contact driving device; the insulation partition plate comprises an insulation vertical plate and an insulation bottom plate connected with the sensor, one end of the insulation bottom plate is provided with a notch, and the cutter head device is positioned above the notch; the tool bit device comprises a contact vertical plate and a fixed contact, wherein the fixed contact is vertically arranged on the contact vertical plate, and the tool bit device is in a vertical blade shape. The grounding switch provided by the utility model can effectively shorten the distance between the sensors on the premise of not changing the overall function and the electrical performance of the grounding switch and ensuring the safety of a system by sleeving the sensors through the insulating partition plates.

Description

Miniaturized device is connected to the ground switch of (a)

Technical Field

The present utility model relates to a grounding switch, and more particularly, to a miniaturized grounding switch.

Background

The switch cabinet (switch cabinet) is an electrical device, the external line of the switch cabinet firstly enters the main control switch in the cabinet, then enters the sub-control switch, and each shunt is arranged according to the requirement. The main function of the switch cabinet is to open and close, control and protect electric equipment in the process of generating, transmitting, distributing and converting electric energy of the electric power system. All can set up earthing switch in the cubical switchboard, earthing switch is the mechanical type switch that is used for circuit ground connection part, belongs to the isolator class. The grounding switch is usually brought into its state change by a grounding switch operating shaft, wherein the circuit under voltage must be grounded all the time before the switchgear is opened.

The distance between the insulators in the earthing switch is usually required to be arranged according to a certain rule to ensure the safe and stable operation of the system. But the interval between the insulators is great, can cause the earthing switch area great, combines above-mentioned problem this design to provide a miniaturized earthing switch under the assurance system safety prerequisite, optimizes the structure, the overlap joint of the copper bar of being convenient for.

Disclosure of utility model

The utility model aims to overcome the defects and shortcomings of the prior art and provide a miniaturized grounding switch.

The technical scheme adopted by the utility model is as follows: the device comprises a mounting seat, wherein at least one sensor is mounted on the mounting seat, the upper end of the sensor is connected with an insulating partition plate, a cutter head device and a fixing device are arranged in the insulating partition plate, and the cutter head device is movably matched with a contact driving device;

the insulation partition plate comprises an insulation vertical plate and an insulation bottom plate connected with the sensor, one end of the insulation bottom plate is provided with a notch, and the cutter head device is positioned above the notch; the tool bit device comprises a contact vertical plate and a fixed contact, wherein the fixed contact is vertically arranged on the contact vertical plate, and the tool bit device is in a vertical blade shape. The static contact is in a vertical blade shape.

By adopting the technical scheme, the grounding switch can effectively shorten the distance between the sensors on the premise of not changing the form and the electrical performance of the sensors and ensuring the safety of the system by sleeving the sensors through the insulating partition plates, and the notch is arranged so as to facilitate closing and closing between the fixed contact and the movable contact on the basis of additionally installing the insulating partition plates, thereby achieving the effect of the miniaturized grounding switch, having higher insulating performance, effectively reducing the occupied area of the grounding switch, realizing high integration in a smaller space and improving the space utilization efficiency; the vertical blade-shaped design of the static contact enables arrangement among the grounding switches to be more compact, occupies smaller space, and saves precious installation space of power equipment.

The utility model is further arranged that the position, close to the sensor, on the insulating vertical plate is arc-shaped.

Through adopting above-mentioned technical scheme, the electric field distribution on the insulating riser is more even through the design of arc form, avoids the electric field to produce the regional influence that receives the electric intensity too high, has positive meaning to guarantee earthing switch's electrical safety and stability, can improve earthing switch's electrical safety, reduce electric arc striking risk, optimize design, improve the wearability of insulation board.

The utility model is further arranged that the rear end of the insulating vertical plate is connected with an extending plate which extends upwards, and the height of the extending plate is far lower than that of the insulating vertical plate.

Through adopting above-mentioned technical scheme, the extension board upwards extends at insulating riser rear end, can shelter from insulating riser rear portion, plays the effect of protection, blocks debris and dust etc. and gets into inside the insulating riser, protects the function and the long-time life of insulating riser.

The utility model further provides that the fixing device comprises a first connecting plate and a connecting and fixing plate, wherein the connecting and fixing plate is fixed on the insulating bottom plate, the first connecting plate is arranged on one end face of the connecting and fixing plate and is L-shaped, and the tool bit device is connected with the first connecting plate through the contact vertical plate for fixing.

The utility model is further provided with three sensors which are equidistantly arranged, and the insulating partition plates are optionally arranged on the middle sensor.

The utility model is further arranged that the insulating vertical plate is connected to two sides of the insulating bottom plate, and two sides of the notch extend to be connected with the insulating vertical plate.

Through adopting above-mentioned technical scheme, insulating riser adopts the mode of being connected in insulating bottom plate both sides to fix, and notch both sides extend and are connected with insulating riser, thereby make it become a whole and can improve earthing switch's installation stability.

The utility model is further arranged that the front surface of the static contact is T-shaped.

The contact driving device further comprises a moving contact, a rotating shaft and a spring mechanism, wherein one end of the moving contact is hinged with a supporting rod, a second connecting plate is hinged on the supporting rod and is arranged in the middle of the moving contact, the other end of the second connecting plate is connected with the rotating shaft, the rotating shaft is movably connected onto the second connecting plate, one end of the spring mechanism is connected with the rotating shaft, the other end of the spring mechanism is fixed on the mounting seat, switching-on is performed through the elasticity of the spring mechanism, and the moving contact rotates until the notch is connected with the fixed contact in an inserting mode.

By adopting the technical scheme, reliable closing operation can be realized, the stability and reliability of closing are improved, the structure is simplified, and the assembly efficiency is improved.

The utility model is further characterized in that a cotter pin is inserted on the rotating shaft, and the cotter pin is inserted between the second connecting plate and the spring mechanism.

Through adopting above-mentioned technical scheme, through the mode that sets up the cotter pin, with axis of rotation, second connecting plate and spring mechanism etc. many cascade components closely link together, realize the synergism of a plurality of parts, guarantee earthing switch's high reliability and stability.

The contact driving device further comprises a permanent magnet direct current motor arranged below the mounting seat and a gear sleeved on the rotating shaft, and the gear is in transmission connection with the permanent magnet direct current motor.

Through adopting above-mentioned technical scheme, permanent magnetism direct current motor has characteristics such as motor power is big, small, rotational speed is fast, can provide stable and high-efficient power support, has adopted gear drive between its drive shaft and the rotation axis simultaneously, makes driving equipment's rotation more steady, improves the stability and the production efficiency of switch.

The beneficial effects of the utility model are as follows: the miniaturized grounding switch provided by the utility model can effectively shorten the distance between the sensors on the premise of not changing the form and the electrical performance of the sensors and ensuring the safety of the system by sleeving the sensors through the insulating partition plates, and is provided with the notch so as to facilitate closing and closing between the fixed contact and the movable contact on the basis of additionally installing the insulating partition plates, thereby achieving the effect of the miniaturized grounding switch, having higher insulating performance, effectively reducing the occupied area of the grounding switch, realizing high integration in a smaller space and improving the space utilization efficiency.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are required in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that it is within the scope of the utility model to one skilled in the art to obtain other drawings from these drawings without inventive faculty.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the overall structure of another view angle of the present utility model;

FIG. 3 is a schematic view of a tool bit assembly and fixture of the present utility model;

Fig. 4 is a schematic view of another view of the tool bit assembly and fixture of the present utility model.

In the figure, 1, a mounting seat; 11. a terminal block; 12. a permanent magnet DC motor; 2. a sensor; 3. an insulating separator; 31. an insulating base plate; 311. an extension plate; 32. an insulating vertical plate; 33. a notch; 34. a cutter head device; 341. a contact vertical plate; 342. a stationary contact; 35. a fixing device; 351. a first connection plate; 352. connecting a fixing plate; 4. a moving contact; 41. a support rod; 42. a rotation shaft; 421. a micro-switch; 422. a gear; 423. an indicator; 43. a second connecting plate; 44. a rotating shaft; 441. a cotter pin; 5. a spring mechanism.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings, for the purpose of making the objects, technical solutions and advantages of the present utility model more apparent.

It should be noted that, in the embodiments of the present utility model, all the expressions "first" and "second" are used to distinguish two entities with the same name but different entities or different parameters, and it is noted that the "first" and "second" are only used for convenience of expression, and should not be construed as limiting the embodiments of the present utility model, and the following embodiments are not described one by one.

The terms of direction and position in the present utility model, such as "up", "down", "front", "back", "left", "right", "inside", "outside", "top", "bottom", "side", etc., refer only to the direction or position of the drawing. Accordingly, directional and positional terms are used to illustrate and understand the utility model and are not intended to limit the scope of the utility model.

As shown in fig. 1 to 4, an embodiment of a miniaturized grounding switch according to the present utility model includes a mounting base 1, at least one sensor 2 is mounted on the mounting base 1, an insulating partition 3 is connected to an upper end of the sensor 2, a cutter head device 34 and a fixing device 35 are disposed in the insulating partition 3, and the cutter head device 34 is movably matched with a contact driving device; the insulating partition plate 3 comprises an insulating vertical plate 32 and an insulating bottom plate 31 fixedly connected with the sensor 2, the insulating bottom plate 31 is provided with a notch 33 parallel to the moving direction of the contact driving device, the cutter head device is positioned above the notch 33, and the insulating vertical plate 32 is connected to two sides of the insulating bottom plate 31. The mode that this earthing switch cup joints sensor 2 through insulating barrier 3 can be under the prerequisite that does not change sensor 2 form and electrical property and guarantee system security, shorten the interval of sensor 2 effectively, set up notch 33 in order to be convenient for close between fixed contact 34 and the moving contact 4 on the basis of installing insulating barrier 3 additional to reach miniaturized earthing switch's effect, and have higher insulating property, can effectively reduce its area, can realize highly integrating in less space, improve space utilization efficiency.

The tool bit device 34 includes a contact vertical plate 341 and a static contact 342, where the static contact 342 is vertically disposed on the contact vertical plate 341.

The fixing device 35 includes a first connection plate 351 and a connection fixing plate 352, the connection fixing plate 352 is fixed on the insulation bottom plate 31, the first connection plate 351 is set up on an end surface of the connection fixing plate 352 and is L-shaped, and the cutter head device 34 is connected with the first connection plate 351 through the contact vertical plate 341 to be fixed.

The number of the sensors 2 is three, the sensors are equidistantly arranged, and the insulating partition plates 3 are optionally arranged on the middle sensor 2.

The contact driving device comprises a moving contact 4, a rotating shaft 42 and a spring mechanism 5, wherein one end of the moving contact 4 is hinged with a supporting rod 41, a second connecting plate 43 is hinged to the supporting rod 41 and is arranged in the middle of the moving contact 4, the other end of the second connecting plate 43 is connected with the rotating shaft 42, a rotating shaft 44 is movably connected to the second connecting plate 43, one end of the spring mechanism 5 is connected with the rotating shaft 44, the other end of the spring mechanism 5 is fixed on the mounting seat 1, closing is carried out through the elasticity of the spring mechanism 5, and the moving contact 4 rotates to the notch 33 to be connected with the fixed contact 34 in an inserting mode. Reliable closing operation can be realized, the stability and reliability of closing are improved, the structure is simplified, and the assembly efficiency is improved.

The insulating vertical plates 32 are connected to two sides of the insulating bottom plate 31, and two sides of the notch 33 extend to be connected with the insulating vertical plates 32. The insulating vertical plate 32 is fixed by being connected to two sides of the insulating bottom plate 31, and two sides of the notch 33 extend to be connected with the insulating vertical plate 32, so that the insulating vertical plate 32 is integrated, and the installation stability of the grounding switch can be improved.

The insulating vertical plate 32 is arc-shaped at a position close to the sensor 2. The design of arc shape makes the electric field distribution on the insulating riser 32 more even, avoids the electric field to produce the regional influence that receives the electric intensity too high, has positive to ensure earthing switch's electrical safety and stability, can improve earthing switch's electrical safety, reduce electric arc striking risk, optimize design, improve the wearability of insulation board.

The rear end of the insulating vertical plate 32 is connected with an extending plate 311 extending upwards, and the height of the extending plate 311 is far lower than that of the insulating vertical plate 32. The extension plate 311 extends upwards at the rear end of the insulating vertical plate 32, and can shield the rear part of the insulating vertical plate 32, so that the overall structural strength is enhanced, and the stability is improved.

A cotter pin 441 is inserted into the rotation shaft 44, and the cotter pin 441 is inserted between the second connection plate 43 and the spring mechanism 5. By arranging the cotter pins 441, the rotating shaft 44, the second connecting plate 43, the spring mechanism 5 and other multi-cascade components are tightly connected together, so that the synergistic effect of the components is realized, and the high reliability and stability of the grounding switch are ensured.

The rotating shaft 42 is sleeved with an indicator 423, and the rotating shaft 42 rotates to drive the indicator 423 to turn over. The design of the indicator 423 on the rotating shaft 42 can realize the indication of the state of the grounding switch, and can intuitively judge whether the switch is in a closing or opening state, so that the operation manager can conveniently monitor and deal with the state in real time.

The contact driving device comprises a permanent magnet direct current motor 12 arranged below the mounting seat 1 and a gear 422 sleeved on the rotating shaft 42, wherein the gear 422 is in transmission connection with the permanent magnet direct current motor 12. The permanent magnet direct current motor 12 has the characteristics of high motor power, small volume, high rotating speed and the like, can provide stable and efficient power support, and meanwhile, the driving shaft and the rotating shaft 42 adopt gear 422 for transmission, so that the rotation of driving equipment is more stable, and the stability and the production efficiency of a switch are improved.

At least one micro switch 421 is mounted on the rotation shaft 42. Mounting the micro switch 421 can realize detection of the state of the ground closure. When the rotation shaft 42 rotates, the micro switch 421 can sense the position or the movement state of the rotation shaft 42, thereby providing an accurate state and facilitating fault judgment, alarm and maintenance.

At least one connecting terminal block 11 is mounted on the mounting base 1. The wiring terminal block 11 is installed in compliance with regulations and meets the requirements and use standards of users, so that the occurrence of equipment failure due to non-connection can be reduced, the damage risk of electric parts is reduced, and the safety of equipment and personnel is protected.

In the first embodiment of the utility model, as shown in fig. 1, the fixed contact 34 is in a vertical blade shape, and the vertical blade shape of the fixed contact 34 makes the arrangement between the grounding switches more compact, occupies smaller space, saves precious installation space of electric equipment, and is convenient to connect with copper bars.

In the second embodiment of the present utility model, the front surface of the stationary contact 34 is T-shaped.

The foregoing disclosure is illustrative of the present utility model and is not to be construed as limiting the scope of the utility model, which is defined by the appended claims.

Claims

1. A miniaturized grounding switch, characterized by: the device comprises a mounting seat (1), wherein at least one sensor (2) is mounted on the mounting seat (1), the upper end of the sensor (2) is connected with an insulating partition board (3), a cutter head device (34) and a fixing device (35) are arranged in the insulating partition board (3), and the cutter head device (34) is movably matched with a contact driving device;

The insulation partition plate (3) comprises an insulation vertical plate (32) and an insulation bottom plate (31) connected with the sensor (2), a notch (33) is formed in one end of the insulation bottom plate (31), and the cutter head device (34) is located above the notch (33);

The tool bit device (34) comprises a contact vertical plate (341) and a fixed contact (342), wherein the fixed contact (342) is vertically arranged on the contact vertical plate (341), and the tool bit device (34) is in a vertical blade shape.

2. A miniaturized grounding switch as set forth in claim 1, wherein: the insulating vertical plate (32) is in an arc shape at a position close to the sensor (2).

3. A miniaturized grounding switch according to claim 1 or 2, characterized in that: the rear end of the insulating vertical plate (32) is connected with an extending plate (311) extending upwards, and the height of the extending plate (311) is far lower than that of the insulating vertical plate (32).

4. A miniaturized grounding switch as set forth in claim 1, wherein: the insulating vertical plates (32) are connected to two sides of the insulating bottom plate (31), and two sides of the notch (33) extend to be connected with the insulating vertical plates (32).

5. A miniaturized grounding switch as set forth in claim 1, wherein: the front surface of the cutter head device (34) is T-shaped.

6. A miniaturized grounding switch as set forth in claim 1, wherein: the fixing device (35) comprises a first connecting plate (351) and a connecting fixing plate (352), the connecting fixing plate (352) is fixed on the insulating base plate (31), the first connecting plate (351) is arranged on one end face of the connecting fixing plate (352) and is L-shaped, and the cutter head device (34) is connected with the first connecting plate (351) through a contact vertical plate (341) for fixing.

7. A miniaturized grounding switch as set forth in claim 1, wherein: the number of the sensors (2) is three, the sensors are equidistantly arranged, and the insulating partition plates (3) are optionally arranged on the sensors (2) in the middle.

8. A miniaturized grounding switch as set forth in claim 1, wherein: the contact driving device comprises a moving contact (4), a rotating shaft (42) and a spring mechanism (5), wherein one end of the moving contact (4) is hinged with a supporting rod (41), a second connecting plate (43) is hinged to the supporting rod (41) and is arranged in the middle of the moving contact (4), the other end of the second connecting plate (43) is connected with the rotating shaft (42), a rotating shaft (44) is movably connected to the second connecting plate (43), one end of the spring mechanism (5) is connected with the rotating shaft (44), the other end of the spring mechanism is fixed on a mounting seat (1), the spring mechanism (5) is used for closing a switch, and the moving contact (4) rotates to a notch (33) to be connected with a fixed contact (342) in an inserting mode.

9.A miniaturized grounding switch as set forth in claim 8, wherein: a cotter pin (441) is inserted on the rotating shaft (44), and the cotter pin (441) is inserted between the second connecting plate (43) and the spring mechanism (5).

10. A miniaturized grounding switch as set forth in claim 7, wherein: the contact driving device comprises a permanent magnet direct current motor (12) arranged below the mounting seat (1) and a gear (422) sleeved on the rotating shaft (42), and the gear (422) is in transmission connection with the permanent magnet direct current motor (12).