CN218730645U

CN218730645U - Automatic power-off device for water accumulation area

Info

Publication number: CN218730645U
Application number: CN202222933897.6U
Authority: CN
Inventors: 余华文
Original assignee: Zhejiang Zhongtai Safety Technology Co ltd
Current assignee: Zhejiang Zhongtai Safety Technology Co ltd
Priority date: 2022-11-04
Filing date: 2022-11-04
Publication date: 2023-03-24
Anticipated expiration: 2032-11-04

Abstract

The utility model belongs to the technical field of power-off protection, and a ponding region auto-power-off device is disclosed, including guard box and sealing washer, the fixed position that is close to the top at guard box inner chamber back middle part has the link, the both sides fixed mounting at guard box inner chamber top has the guide arm, the bottom activity joint of guide arm surface has the kickboard, the middle part fixedly connected with ejector pin at kickboard top. The utility model discloses a set up kickboard, ejector pin, the purpose of auto-power-off stability when plug-in strip and insulation board have reached ponding, drive ejector pin rebound when the kickboard rebound, the ejector pin shifts up the top and moves the plug-in strip and shifts, the plug-in strip slides on the link, the plug-in strip separates with the conducting block, reach the purpose of outage, through utilizing the material to float in the characteristics of the surface of water, the rethread is seted up the air pocket and is further strengthened the effect of floating in the surface of water, guarantee operating condition's stability, and then the purpose of auto-power-off stability when having reached ponding.

Description

Automatic power-off device for water accumulation area

Technical Field

The utility model belongs to the technical field of power-off protection, specifically a ponding region auto-power-off device.

Background

Electric power is a common energy source in people's lives, and water is a conductor, and when the water is in electrical contact with the conductor, the water is electrified, so that danger is caused.

At present, the technical staff is when building the easy ponding region, in order to guarantee personnel's in the region safety, for this reason can use automatic power-off device, automatic power-off device among the prior art carries out work through the sensor, when water overflows the sensor, the sensor signals, make the controller cut off the power supply, in actual operation process, because the number of times of ponding is few, lead to the rate of utilization of sensor to be low, this just leads to unable assurance sensor can not break down in the time of not using, the unable work of sensor of trouble can lead to not cutting off the power supply in the region when needs use, cause danger easily.

SUMMERY OF THE UTILITY MODEL

For solving the problem that proposes among the above-mentioned background art, the utility model provides a ponding region automatic power-off device has the stable advantage of ponding automatic power-off effect, the utility model discloses a set up kickboard, ejector pin, the purpose that the automatic power-off effect is stable when plug-in strip and insulation board have reached ponding, drive ejector pin rebound when the kickboard rebound, the ejector pin shifts up the top and moves the plug-in strip and shifts up, the plug-in strip slides on the link, plug-in strip and conducting block separation reach the purpose of outage, through utilizing the material to float in the characteristics of the surface of water, the rethread is seted up the air pocket and is further strengthened the effect of floating in the surface of water, guarantees operating condition's stability, and then automatic power-off stable purpose when having reached ponding.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a ponding region auto-power-off device, includes guard box and sealing washer, the position fixed mounting that guard box inner chamber back middle part is close to the top has the link, the both sides fixed mounting at guard box inner chamber top has the guide arm, the bottom activity joint of guide arm surface has the kickboard, the middle part fixedly connected with ejector pin at kickboard top, the top fixed mounting of ejector pin has the plug-in strip, the both sides fixedly connected with insulation board of plug-in strip bottom, the top fixedly connected with handle of plug-in strip, the link both sides are close to the equal fixedly connected with conducting block in position of bottom.

Among the above-mentioned technical scheme, preferred, one side fixedly connected with second electric wire that the ejector pin was kept away from to the conducting block, the opposite side one side fixedly connected with first electric wire that the ejector pin was kept away from to the conducting block, the activity of one side at the positive top of guard box articulates there is the protecgulum, the equal fixed mounting in upper and lower both sides at guard box back has the mount.

Among the above-mentioned technical scheme, it is preferred, the link includes the frame plate, the positive one side fixed mounting of frame plate has the second connecting plate, the positive opposite side fixed mounting of second connecting plate has first connecting plate, the positive middle part fixed mounting of frame plate has the baffle, two the sealing washer is movable joint respectively and is close to one side of baffle at second connecting plate and first connecting plate, the sealing washer contacts with the movable track of plug-in strip, conducting block fixed connection respectively is on second connecting plate and first connecting plate.

Among the above-mentioned technical scheme, preferred, one side and the second connecting plate activity joint of plug-in strip, the opposite side and the first connecting plate activity joint of plug-in strip.

In the above technical solution, preferably, the height value of the moving track of the blade is greater than the diameter value of the first wire, the first wire and the second wire have the same size, and the height value of the insulating plate is greater than the diameter value of the sealing ring.

In the above technical solution, preferably, the insulating plate is made of rubber, and a moving track of the insulating plate contacts with the sealing ring.

In the above technical scheme, preferably, the floating plate is made of plastic foam, the bottom of the floating plate is provided with an air groove, and the bottom of the protection box is provided with an opening.

The beneficial effects of the utility model reside in that:

the utility model discloses a set up the kickboard, the ejector pin, the purpose that the auto-power-off effect is stable when plug-in strip and insulation board have reached ponding, water contacts with the kickboard, give ascending buoyancy of kickboard, in the plane when because water level department rises, so when water contacts with the kickboard, can not intake in the air pocket that the kickboard bottom was seted up, there is the air in the air pocket, the buoyancy of kickboard has been improved, water promotes the kickboard rebound, drive ejector pin rebound when the kickboard rebound, the ejector pin rebound moves on the ejector pin, the plug-in strip shifts up on the link, the plug-in strip separates with the conducting block, reach the purpose of outage, through utilizing the material to float in the characteristics of the surface of water, the effect that the air pocket further strengthened to float in the surface of water is seted up to the rethread, guarantee operating condition's stability, and then reach the purpose that the auto-power-off is stable when ponding.

To sum up, the utility model has the advantages of automatic power off effect is stable during ponding.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the floating plate structure of the present invention;

FIG. 3 is a schematic view of the structure of the connection frame of the present invention;

FIG. 4 is a schematic cross-sectional view of the connection frame of the present invention;

FIG. 5 is a schematic view of the structure of the knife blade of the present invention;

fig. 6 is an appearance schematic diagram of the present invention.

In the figure: 1. a protection box; 2. a front cover; 3. a first electric wire; 4. a fixed mount; 5. a second electric wire; 6. a guide bar; 7. a connecting frame; 701. a frame plate; 702. a first connecting plate; 703. a baffle plate; 704. a second connecting plate; 8. a floating plate; 9. a conductive block; 10. a seal ring; 11. a top rod; 12. an insulating plate; 13. a knife switch; 14. a handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

As shown in fig. 1 to 6, the utility model provides an automatic power-off device for a water accumulation area, which comprises a protection box 1 and a sealing ring 10, wherein a connecting frame 7 is fixedly arranged at the middle part of the back of an inner cavity of the protection box 1 near the top, guide rods 6 are fixedly arranged at two sides of the top of the inner cavity of the protection box 1, a floating plate 8 is movably clamped at the bottom of the outer surface of each guide rod 6, a top rod 11 is fixedly connected to the middle part of the top of the floating plate 8, a switch blade 13 is fixedly arranged at the top of the top rod 11, insulating plates 12 are fixedly connected to two sides of the bottom of the switch blade 13, a handle 14 is fixedly connected to the top of the switch blade 13, and conductive blocks 9 are fixedly connected to the positions of two sides of the connecting frame 7 near the bottom; the stability of the working state is ensured by utilizing the characteristic that the material floats on the water surface, and the purpose of stable automatic power-off effect in water accumulation is further achieved.

As shown in fig. 1 to 6, one side of the conductive block 9 on one side away from the ejector rod 11 is fixedly connected with a second electric wire 5, one side of the conductive block 9 on the other side away from the ejector rod 11 is fixedly connected with a first electric wire 3, one side of the top of the front surface of the protection box 1 is movably hinged with a front cover 2, and the upper side and the lower side of the back of the protection box 1 are both fixedly provided with a fixed frame 4; through setting up mount 4, can fix the position of guard box 1, shelter from the top of link 7 and all around through guard box 1 simultaneously, the effectual accident of having avoided water is splashed.

As shown in fig. 3 and 4, the connecting frame 7 includes a frame plate 701, a second connecting plate 704 is fixedly mounted on one side of the front surface of the frame plate 701, a first connecting plate 702 is fixedly mounted on the other side of the front surface of the second connecting plate 704, a baffle 703 is fixedly mounted in the middle of the front surface of the frame plate 701, two sealing rings 10 are movably clamped on one sides of the second connecting plate 704 and the first connecting plate 702 close to the baffle 703 respectively, the sealing rings 10 contact with the moving track of the knife switch 13, the conductive blocks 9 are fixedly connected to the second connecting plate 704 and the first connecting plate 702 respectively, one side of the knife switch 13 is movably clamped with the second connecting plate 704, and the other side of the knife switch 13 is movably clamped with the first connecting plate 702; through setting up link 7, can be connected between second electric wire 5 and the first electric wire 3, reach the purpose of power supply, make the circuit between first electric wire 3 and the second electric wire 5 be linked together, through setting up plug-in strip 13, the both sides of plug-in strip 13 respectively with second connecting plate 704 and first connecting plate 702 activity joint, make plug-in strip 13 can be in link 7 activity from top to bottom, reach control switch's purpose.

As shown in fig. 2 and 5, the height value of the moving track of the knife switch 13 is greater than the diameter value of the first wire 3, the first wire 3 and the second wire 5 are the same in size, the height value of the insulating plate 12 is greater than the diameter value of the sealing ring 10, the insulating plate 12 is made of rubber, the moving track of the insulating plate 12 is in contact with the sealing ring 10, the floating plate 8 is made of plastic foam, the bottom of the floating plate 8 is provided with an air groove, and the bottom of the protection box 1 is provided with an opening; through setting up the plug-in strip 13, when the plug-in strip 13 shifts up along link 7, separate with first electric wire 3 and second electric wire 5 gradually, reach the purpose of outage, through making insulation board 12 and sealing washer 10 contact, shelter from conducting block 9, reached the purpose of sealed conducting block 9, through setting up kickboard 8, kickboard 8 is made for plastic foam, has good buoyancy to the surface of water, has further strengthened buoyancy through having seted up the air pocket in the bottom of kickboard 8.

Working procedure

When the water-saving device is used, the handle 14 is pushed down, the handle 14 drives the switch blade 13 to move downwards, the switch blade 13 slides in the second connecting plate 704 and the first connecting plate 702, the switch blade 13 is gradually contacted with the conductive block 9, the electric power of the first electric wire 3 is transmitted to the switch blade 13 through the conductive block 9 close to one side of the first electric wire 3 and then transmitted to the second electric wire 5 through the conductive block 9 close to one side of the second electric wire 5, at the moment, the switch blade is in an electrified state, when water is accumulated, the water gradually enters the protection box 1 from the opening at the bottom of the protection box 1, the water is contacted with the floating plate 8 to provide upward buoyancy for the floating plate 8, and because the water level is in a plane, when the water is contacted with the floating plate 8, no water enters the air groove formed at the bottom of the floating plate 8, and air exists in the air groove, the buoyancy of the floating plate 8 is improved, the water pushes the floating plate 8 to move upwards, the floating plate 8 slides along the guide rod 6, the ejector rod 11 is driven to move upwards when the floating plate 8 moves upwards, the ejector rod 11 moves upwards to push the switch blade 13 to move upwards, the switch blade 13 slides on the connecting frame 7, the switch blade 13 is separated from the conductive block 9, the insulating plate 12 is in contact with the conductive block 9, along with the continuous upward movement of the floating plate 8, one surface, close to the insulating plate 12, of the sealing ring 10 is in complete contact with the insulating plate 12, the power-off purpose is achieved, at the moment, the insulating plate 12 is in contact with the sealing ring 10, the conductive block 9 is in a relatively closed space, the contact of the water and the conductive block 9 is effectively prevented, the switch blade 13 moves to the top end and cannot move, and the floating plate 8 cannot move and is gradually submerged by the water.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a ponding region auto-power-off device, includes guard box and sealing washer, its characterized in that: the utility model discloses a switch blade, including guard box inner chamber, baffle, switch blade, link, switch blade, the fixed connection in position that guard box inner chamber back middle part is close to the top has the link, the both sides fixed mounting at guard box inner chamber top has the guide arm, the bottom activity joint of guide arm surface has the kickboard, the middle part fixedly connected with ejector pin at kickboard top, the top fixed mounting of ejector pin has the switch blade, the both sides fixedly connected with insulation board of switch blade bottom, the top fixedly connected with handle of switch blade, the equal fixedly connected with conducting block in position that the link both sides are close to the bottom.

2. The ponding region automatic power-off device of claim 1, characterized in that: one side the conducting block is kept away from one side fixedly connected with second electric wire of ejector pin, the opposite side the conducting block is kept away from one side fixedly connected with first electric wire of ejector pin, the positive one side activity hinge at top of guard box has the protecgulum, the equal fixed mounting in upper and lower both sides at guard box back has the mount.

3. The ponding region automatic power-off device of claim 1, characterized in that: the link includes the frame plate, the positive one side fixed mounting of frame plate has the second connecting plate, the positive opposite side fixed mounting of second connecting plate has first connecting plate, the positive middle part fixed mounting of frame plate has the baffle, two the sealing washer is movable joint respectively and is close to one side of baffle at second connecting plate and first connecting plate, the sealing washer contacts with the movable track of plug-in strip, conducting block fixed connection respectively is on second connecting plate and first connecting plate.

4. A waterlogged area auto-power-off device according to claim 3, characterized in that: one side of the switch blade is movably clamped with the second connecting plate, and the other side of the switch blade is movably clamped with the first connecting plate.

5. The ponding region automatic power-off device of claim 1, characterized in that: the height value of the moving track of the knife switch is larger than the diameter value of the first electric wire, the first electric wire and the second electric wire are consistent in size, and the height value of the insulating plate is larger than the diameter value of the sealing ring.

6. The ponding region automatic power-off device of claim 1, characterized in that: the insulating plate is made of rubber, and the moving track of the insulating plate is in contact with the sealing ring.

7. The ponding region automatic power-off device of claim 1, characterized in that: the floating plate is made of plastic foam, the bottom of the floating plate is provided with an air groove, and the bottom of the protection box is provided with an opening.