阅读说明：本技术 一种高压断路器 (High-voltage circuit breaker ) 是由 徐连军 王俊华 于 2020-07-14 设计创作，主要内容包括：本发明涉及电器领域,具体的说是一种高压断路器,包括电器箱和支架机构,所述电器箱的上表面倾斜设置；所述支架机构与电器箱连接,支架机构包括立柱、滑块、刮板、螺纹杆、栅格网板和手柄,所述电器箱的上方设有栅格网板,栅格网板通过两个对称设置的立柱与电器箱固定连接,且两个立柱之间设有与电器箱相互平行的螺纹杆,螺纹杆的一端与其中一个立柱转动连接,螺纹杆的另一端贯穿另一个立柱并固定连接有手柄；所述栅格网板的下表面滑动连接有滑块,螺纹杆贯穿滑块并与滑块螺纹连接,且滑块的下表面固定连接有刮板,刮板的下表面与电器箱的上表面接触连接。本发明提供的高压断路器具有故障率低的优点。(The invention relates to the field of electric appliances, in particular to a high-voltage circuit breaker, which comprises an electric appliance box and a support mechanism, wherein the upper surface of the electric appliance box is obliquely arranged; the support mechanism is connected with the electric appliance box and comprises upright columns, a sliding block, a scraping plate, a threaded rod, a grid plate and a handle, the grid plate is arranged above the electric appliance box and fixedly connected with the electric appliance box through two symmetrically arranged upright columns, the threaded rod parallel to the electric appliance box is arranged between the two upright columns, one end of the threaded rod is rotatably connected with one of the upright columns, and the other end of the threaded rod penetrates through the other upright column and is fixedly connected with the handle; the lower surface sliding connection of grid net board has the slider, the threaded rod run through the slider and with slider threaded connection, and the lower fixed surface of slider is connected with the scraper blade, the lower surface contact of scraper blade and electrical apparatus case is connected. The high-voltage circuit breaker provided by the invention has the advantage of low failure rate.)

1. A high-voltage circuit breaker is characterized by comprising an electrical box (4), a support mechanism (5), an insulating cylinder (1), a vent mechanism (2) and a moisture removing mechanism (6), wherein the upper surface of the electrical box (4) is obliquely arranged; the support mechanism (5) is connected with the electrical box (4), the support mechanism (5) comprises upright posts (51), a sliding block (52), a scraping plate (53), a threaded rod (54), a grid plate (55) and a handle (56), the grid plate (55) is arranged above the electrical box (4), the grid plate (55) is fixedly connected with the electrical box (4) through two symmetrically arranged upright posts (51), the threaded rod (54) parallel to the electrical box (4) is arranged between the two upright posts (51), one end of the threaded rod (54) is rotatably connected with one upright post (51), and the other end of the threaded rod (54) penetrates through the other upright post (51) and is fixedly connected with the handle (56); the lower surface of the grid plate (55) is connected with a sliding block (52) in a sliding mode, a threaded rod (54) penetrates through the sliding block (52) and is in threaded connection with the sliding block (52), a scraping plate (53) is fixedly connected to the lower surface of the sliding block (52), and the lower surface of the scraping plate (53) is in contact connection with the upper surface of the electric appliance box (4); the number of the insulating cylinders (1) is multiple, and the insulating cylinders (1) are connected with the upper surface of the grid plate (55); the ventilation opening mechanism (2) is connected with the electrical appliance box (4); the dehumidifying mechanism (6) is connected with the electric appliance box (4).

2. The high-voltage circuit breaker according to claim 1, wherein the vent mechanism (2) comprises a filter screen (22), a rubber ring (23), a T-shaped slider (25) and a support plate (26), the electrical box (4) is provided with a vent, the filter screen (22) is arranged in the vent, the lower surface of the filter screen (22) is fixedly connected with two T-shaped sliders (25) which are symmetrically arranged, the T-shaped sliders (25) are connected in T-shaped chutes formed in the upper surface of the support plate (26), and the support plate (26) is fixedly connected with the inner surface of the electrical box (4); the edge of the filter screen plate (22) is fixed with a rubber ring (23), and the filter screen plate (22) is clamped in a ventilation port formed in the electrical appliance box (4) through the rubber ring (23).

3. The high-voltage circuit breaker as claimed in claim 1, wherein the ventilation opening mechanism (2) further comprises a pressing plate (21) and a rotating shaft (24), the inner surface of the electrical box (4) is rotatably connected with a connecting plate through the rotating shaft (24), a damping rubber pad is installed between the rotating shaft (24) and the corresponding mounting hole of the electrical box (4), one end of the connecting plate far away from the rotating shaft (24) is fixedly connected with the pressing plate (21), and the pressing plate (21) is in press contact with the filter screen plate (22).

4. The high-voltage circuit breaker according to claim 1, wherein the moisture removing mechanism (6) comprises an iron sheet (61), a magnet (62) and a moisture removing plate (63), the iron sheet (61) is fixedly connected to the inner bottom wall of the electric appliance box (4), the moisture removing plate (63) is arranged in the electric appliance box (4), the magnet (62) is embedded on the lower surface of the moisture removing plate (63), and the magnet (62) and the iron sheet (61) attract each other, so that the moisture removing plate (63) is installed in the electric appliance box (4).

5. The high-voltage circuit breaker according to claim 4, characterized in that the moisture removing plate (63) is made of a permeable mesh plate filled with a desiccant, a plurality of supporting feet (3) are connected to the lower surface of the electrical box (4), and rubber pads are fixedly connected to the lower surfaces of the supporting feet (3).

Technical Field

The invention relates to the field of electric appliances, in particular to a high-voltage circuit breaker.

Background

The high-voltage circuit breaker (or called high-voltage switch) not only can cut off or close the no-load current and load current in the high-voltage circuit, but also can cut off the overload current and short-circuit current by the action of the relay protection device when the system is in fault, and has quite perfect arc extinguishing structure and enough current breaking capacity.

Because high voltage circuit breaker need install in the open air sometimes, because the difference in temperature round the clock, perhaps when air humidity is big, the vapor in the air can condense into the drop of water on the insulating cylinder, and the drop of water falls into the electrical apparatus incasement along the insulating cylinder landing easily, increases the probability that the electrical components appears damaging owing to weing in the electrical apparatus incasement, and the fault rate of device is higher. Therefore, there is a need to provide a new high voltage circuit breaker to solve the above technical problems.

Disclosure of Invention

In order to solve the technical problems, the invention provides a high-voltage circuit breaker with low failure rate.

The high-voltage circuit breaker comprises an electrical box, a support mechanism, an insulating cylinder, a vent mechanism and a moisture removing mechanism, wherein the upper surface of the electrical box is obliquely arranged; the support mechanism is connected with the electric appliance box and comprises upright columns, a sliding block, a scraping plate, a threaded rod, a grid plate and a handle, the grid plate is arranged above the electric appliance box and fixedly connected with the electric appliance box through two symmetrically arranged upright columns, the threaded rod parallel to the electric appliance box is arranged between the two upright columns, one end of the threaded rod is rotatably connected with one of the upright columns, and the other end of the threaded rod penetrates through the other upright column and is fixedly connected with the handle; the lower surface of the grid plate is connected with a sliding block in a sliding mode, the threaded rod penetrates through the sliding block and is in threaded connection with the sliding block, the lower surface of the sliding block is fixedly connected with a scraping plate, and the lower surface of the scraping plate is in contact connection with the upper surface of the electric appliance box; the number of the insulation cylinders is multiple, and the multiple insulation cylinders are connected with the upper surface of the grid mesh plate; the ventilation opening mechanism is connected with the electrical box; the moisture removing mechanism is connected with the electrical box.

Preferably, the vent mechanism comprises a filter screen plate, a rubber ring, T-shaped sliders and a support plate, the electrical box is provided with a vent, the filter screen plate is arranged in the vent, the lower surface of the filter screen plate is fixedly connected with the two T-shaped sliders which are symmetrically arranged, the T-shaped sliders are connected in T-shaped chutes formed in the upper surface of the support plate, and the support plate is fixedly connected with the inner surface of the electrical box; the edge of the filter screen plate is fixed with a rubber ring, and the filter screen plate is clamped in a ventilation port formed in the electrical appliance box through the rubber ring.

Preferably, the vent mechanism further comprises a pressing plate and a rotating shaft, the inner surface of the electrical box is rotatably connected with a connecting plate through the rotating shaft, a damping rubber pad is installed between the rotating shaft and a mounting hole corresponding to the electrical box, one end of the connecting plate far away from the rotating shaft is fixedly connected with the pressing plate, and the pressing plate is in extrusion contact with the filter screen plate.

Preferably, remove damp mechanism and include iron sheet, magnet and remove damp board, the interior diapire fixedly connected with iron sheet of electrical apparatus case, and the electrical apparatus incasement is equipped with and removes damp board, and the lower surface that removes damp board inlays and has magnet, through magnet and iron sheet inter attraction for remove damp board and install in the electrical apparatus case.

Preferably, the moisture removing plate is made of a breathable net plate filled with a drying agent, the lower surface of the electric appliance box is connected with a plurality of supporting feet, and rubber pads are fixedly connected to the lower surfaces of the supporting feet.

Compared with the related art, the high-voltage circuit breaker provided by the invention has the following beneficial effects:

(1) the invention can effectively guide the condensed water drops on the insulating cylinder, thereby reducing the probability of the water drops entering the electric box, reducing the probability of the electric elements in the electric box being damaged due to the fact that the electric elements are affected with damp, and reducing the failure rate of the device; according to the electric appliance box, the handle is rotated, so that the sliding block can move along the threaded rod, the scraper plate is driven to move, the upper surface of the electric appliance box is cleaned through the scraper plate, the cleanness and tidiness of the upper surface of the electric appliance box are guaranteed, and the working difficulty of maintainers is reduced.

(2) The filter screen plate plays a role in filtering, and reduces the probability that impurities such as dust in external air enter the electric appliance box when the air inside and outside the electric appliance box circulates, so that the probability that electric appliance elements in the electric appliance box are damaged due to the dust is reduced, the filter screen plate can be conveniently and rapidly detached independently, replacement and cleaning of the filter screen plate are facilitated, and the working difficulty of maintenance personnel is reduced.

Drawings

Fig. 1 is a schematic structural diagram of a high voltage circuit breaker according to a preferred embodiment of the present invention;

FIG. 2 is a schematic structural view of the vent mechanism shown in FIG. 1;

FIG. 3 is a schematic structural view of the support mechanism shown in FIG. 1;

fig. 4 is a partially enlarged view of a portion a in fig. 1.

Reference numbers in the figures: 1. an insulating cylinder; 2. a vent mechanism; 21. pressing a plate; 22. a filter screen plate; 23. a rubber ring; 24. a rotating shaft; 25. a T-shaped slider; 26. a support plate; 3. supporting feet; 4. an electrical box; 5. a support mechanism; 51. a column; 52. A slider; 53. a squeegee; 54. a threaded rod; 55. a grid mesh panel; 56. a handle; 6. a moisture removal mechanism; 61. iron sheets; 62. A magnet; 63. and (7) a moisture removing plate.

Detailed Description

The invention is further described with reference to the following figures and embodiments.

Referring to fig. 1, 2, 3 and 4, a high voltage circuit breaker includes an electrical box 4, a support mechanism 5, an insulating cylinder 1, a vent mechanism 2 and a moisture removing mechanism 6, wherein an upper surface of the electrical box 4 is disposed in an inclined manner; the bracket mechanism 5 is connected with the electrical box 4; the number of the insulation cylinders 1 is multiple, and the multiple insulation cylinders 1 are all connected with the upper surface of the grid mesh plate 55; the air vent mechanism 2 is connected with the electrical box 4; the dehumidifying mechanism 6 is connected with the electrical box 4, the support mechanism 5 comprises upright posts 51, a sliding block 52, a scraping plate 53, a threaded rod 54, a grid mesh plate 55 and a handle 56, a grid mesh plate 55 is arranged above the electrical box 4, the grid mesh plate 55 is fixedly connected with the electrical box 4 through the two upright posts 51 which are symmetrically arranged, the threaded rod 54 which is parallel to the electrical box 4 is arranged between the two upright posts 51, one end of the threaded rod 54 is rotatably connected with one upright post 51, and the other end of the threaded rod 54 penetrates through the other upright post 51 and is fixedly connected with the handle 56; the lower surface of the grid mesh plate 55 is connected with a sliding block 52 in a sliding manner, a threaded rod 54 penetrates through the sliding block 52 and is in threaded connection with the sliding block 52, a scraping plate 53 is fixedly connected to the lower surface of the sliding block 52, and the lower surface of the scraping plate 53 is in contact connection with the upper surface of the electrical box 4. The water drops condensed on the insulating cylinder 1 slide down along the insulating cylinder 1 and then slide down to the upper surface of the electrical box 4 through the grid plate 55, and the water drops can slide down along the upper surface of the electrical box 4 due to the inclined arrangement of the upper surface of the electrical box 4, so that the probability of the water drops entering the electrical box 4 is reduced, the probability of damage of electrical elements in the electrical box 4 due to wetting is reduced, and the failure rate of the device is reduced; when maintaining, through turning handle 56 for slider 52 can move along threaded rod 54, thereby drives scraper blade 53 and moves, clears up the upper surface of electrical apparatus case 4 through scraper blade 53, guarantees clean, clean and tidy of the upper surface of electrical apparatus case 4, and reduces maintainer's the work degree of difficulty.

Referring to fig. 1 and 2, the vent mechanism 2 includes a filter screen 22, a rubber ring 23, a T-shaped slider 25 and a support plate 26, the electrical box 4 is provided with a vent, the filter screen 22 is arranged in the vent, the lower surface of the filter screen 22 is fixedly connected with two symmetrically arranged T-shaped sliders 25, the T-shaped sliders 25 are connected in T-shaped chutes formed on the upper surface of the support plate 26, and the support plate 26 is fixedly connected with the inner surface of the electrical box 4; the edge of the filter screen plate 22 is fixed with a rubber ring 23, and the filter screen plate 22 is clamped in a ventilation opening formed in the electrical appliance box 4 through the rubber ring 23. The filter screen plate 22 plays a role in filtering, when the circulation of air inside and outside the electric appliance box 4 is reduced, the probability that impurities such as dust in the external air enter the electric appliance box 4 is reduced, so that the probability that electric elements in the electric appliance box 4 are damaged due to the dust is reduced, the filter screen plate 22 is pulled through external force, the rubber ring 23 is not clamped in a vent hole formed in the electric appliance box 4 any more, the filter screen plate 22 can be detached independently, the replacement and the cleaning of the filter screen plate 22 are facilitated, and the working difficulty of maintenance personnel is reduced.

Referring to fig. 2, the vent mechanism 2 further includes a pressing plate 21 and a rotating shaft 24, the inner surface of the electrical box 4 is rotatably connected with a connecting plate through the rotating shaft 24, a damping rubber pad is installed between the rotating shaft 24 and the corresponding mounting hole of the electrical box 4, one end of the connecting plate far away from the rotating shaft 24 is fixedly connected with the pressing plate 21, and the pressing plate 21 is in press contact with the filter screen plate 22. Filter plate 22 is extruded through clamp plate 21 for filter plate 22 can be more stable joint in the vent that electrical apparatus case 4 was seted up, improves the stability of filter plate 22 installation.

Referring to fig. 1 and 4, the dehumidifying mechanism 6 includes an iron sheet 61, a magnet 62 and a dehumidifying plate 63, the inner bottom wall of the electrical box 4 is fixedly connected with the iron sheet 61, the dehumidifying plate 63 is arranged in the electrical box 4, the dehumidifying plate 63 is made of a breathable mesh plate filled with a drying agent, the lower surface of the dehumidifying plate 63 is inlaid with the magnet 62, and the magnet 62 and the iron sheet 61 attract each other, so that the dehumidifying plate 63 is installed in the electrical box 4. Can get rid of the tide to electrical apparatus case 4 in through the drier that removes in the damp board 63, reduce electrical components because the probability that receives the tide damage in the electrical apparatus case 4, improve the reliability that the device used, being connected with of electrical apparatus case 4's lower surface a plurality of support footing 3, the lower fixed surface of support footing 3 is connected with the rubber pad. The supporting feet 3 play a supporting role, and the rubber pads increase the friction force between the supporting feet 3 and the ground, so that the device is more stable to place.

The working principle of the high-voltage circuit breaker provided by the invention is as follows: when the device is used, condensed water drops on the insulating cylinder 1 slide down along the insulating cylinder 1, and slide down to the upper surface of the electric appliance box 4 after passing through the grid plate 55, the upper surface of the electric appliance box 4 is obliquely arranged, so that the water drops can slide down along the upper surface of the electric appliance box 4, the probability that the water drops enter the electric appliance box 4 is reduced, the probability that electric elements in the electric appliance box 4 are damaged due to wetting is reduced, and when the device is maintained, the sliding block 52 can move along the threaded rod 54 by rotating the handle 56, so that the scraping plate 53 is driven to move, the upper surface of the electric appliance box 4 is cleaned through the scraping plate 53, the cleanness and tidiness of the upper surface of the electric appliance box 4 are ensured, and the working difficulty of maintenance personnel is reduced; filter screen plate 22 in this device plays filterable effect, when reducing the inside and outside circulation of air of electrical apparatus case 4, impurity such as dust in the external air enters into the probability in electrical apparatus case 4, thereby reduce electrical apparatus element in electrical apparatus case 4 because the probability that the damage appears in the dust, and filter screen plate 22 is stimulateeed through external force, make rubber ring 23 no longer block in the vent that electrical apparatus case 4 was seted up, thereby filter screen plate 22 can pull down alone, be favorable to filtering screen plate 22's change and clearance.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.