CN216145964U

CN216145964U - Anti-creeping device

Info

Publication number: CN216145964U
Application number: CN202121931936.8U
Authority: CN
Inventors: 陈艳
Original assignee: Luoyang Changrun Electric Co ltd
Current assignee: Luoyang Changrun Electric Co ltd
Priority date: 2021-08-16
Filing date: 2021-08-16
Publication date: 2022-03-29
Anticipated expiration: 2031-08-16

Abstract

The utility model relates to an anti-creeping device, which comprises a shell, a first support frame, a second support frame, a driving piece, a lead screw, a nut, a floating block, a cover body, a controller and a pressure sensor, wherein the top end of the shell is opened, a containing cavity is formed in the shell, the first support frame and the second support frame are arranged in the shell and are distributed at intervals up and down, the driving piece is arranged at the bottom end of the first support frame, the lead screw is fixedly connected with a rotating shaft of the driving piece, the nut is arranged on the lead screw, the floating block is arranged in the shell, the cover body is arranged at the top end of the shell, the controller is arranged at the bottom end of the cover body, the nut is fixedly connected with a box body and is used for driving the box body to move relative to the driving piece, and the bottom end of the box body is provided with the pressure sensor; the internal components have no potential soaking hazard and also have no potential safety hazard of electric leakage; the anti-creeping device is not a sealing structure, so that later-stage maintenance is facilitated, and obstacles are not brought to later-stage maintenance.

Description

Anti-creeping device

Technical Field

The utility model relates to the technical field of electric leakage prevention, in particular to an electric leakage prevention device.

Background

The power distribution cabinet is a power transmission device, is used for reasonably distributing electric energy in a power grid, keeping the stability of current in a line and improving the utilization efficiency of power, is common power equipment, is common in cities, and is generally arranged on the roadside of a city road.

Patent CN112670755A discloses an anticreeper soaks, this invention discloses an anticreeper soaks, when its use, open the sealed apron on the box body and install the consumer in the box body, the electric connection line of consumer stretches into the inside of box body and is connected with the consumer from the entrance hole of the both sides of box body, cover sealed apron again after installing the consumer, and seal sealed apron and box body dead, the rethread suction nozzle aerifys sealed gasbag, can extrude and fill up the confined space after sealed gasbag is full of gas, the electric connection line is also extruded in sealed gasbag, just so can realize sealedly through sealed gasbag, avoid water to get into in the box body, wet the consumer in the box body. Soaking anticreep device, comprises a box bod, the inside of box body set up for cavity, the lateral wall of the left and right sides of box body on be equipped with the entrance hole respectively, the box body in be equipped with the baffle, the baffle setting in the left and right sides of box body, two baffles of the left and right sides respectively with the left and right sides wall interval setting of box body, form confined space between the lateral wall of baffle and box body, the baffle on be equipped with the through-hole that the entrance hole corresponds, confined space in be equipped with annular sealed gasbag, sealed gasbag centre bore correspond the entrance hole setting, the side wall of box body on be equipped with the fluting hole, sealed gasbag on be equipped with the suction nozzle, the suction nozzle intercommunication sealed gasbag set up, suction nozzle fixed connection be in the fluting hole.

The soaking anti-creeping device has the following defects: 1. when the device is used, the sealing effect of the sealing cover plate is deteriorated along with the lapse of time, and because parts in the power distribution cabinet are fixedly installed and cannot move, when the whole power distribution cabinet is soaked by rainwater, certain soaking hidden dangers exist in internal components, and meanwhile, the potential safety hazard of electric leakage also exists; 2. when using foretell anticreeper that soaks, because the device is seal structure, be not convenient for later stage maintenance and maintenance, bring the obstacle for the maintenance and the maintenance work in later stage, 3, when using foretell anticreeper that soaks, do not set up alarm unit, when the switch board wholly suffers the rainwater and soaks, can not in time give the operation personnel signal, increased the probability that the switch board damaged because of soaking, for this reason, we propose an anticreeper.

SUMMERY OF THE UTILITY MODEL

Aiming at the situation of the prior art, the utility model provides an anti-creeping device, when the inside of a shell is soaked in water, a floating block moves upwards under the action of buoyancy and abuts against a pressure sensor, a controller receives an electric signal sensed by the pressure sensor and then controls a driving piece to rotate so as to drive a box body to move close to the driving piece, and therefore, the anti-creeping device can effectively solve the problems in the prior art.

The utility model is realized by the following technical scheme:

the utility model provides an anti-creeping device, which comprises a shell, a first support frame, a second support frame, a driving piece, a lead screw, a nut, a floating block, a cover body, a controller and a pressure sensor, wherein the top end of the shell is opened, a containing cavity is formed in the shell, the first support frame and the second support frame are arranged in the shell and are distributed at intervals up and down, the driving piece is arranged at the bottom end of the first support frame, the lead screw is fixedly connected with a rotating shaft of the driving piece, the nut is arranged on the lead screw, the floating block is arranged in the shell, the cover body is arranged at the top end of the shell, the controller is arranged at the bottom end of the cover body, the nut is fixedly connected with a box body and is used for driving the box body to move relative to the driving piece, and the pressure sensor is arranged at the bottom end of the box body;

the controller is electrically connected with the driving piece and the pressure sensor respectively;

when the interior of the shell is soaked in water, the floating block moves upwards under the action of buoyancy and abuts against the pressure sensor, and the controller is used for receiving an electric signal sensed by the pressure sensor and controlling the driving piece to rotate through the electric signal so as to drive the box body to move close to the driving piece.

Furthermore, a first switch for powering on or powering off the box body is arranged at the bottom end of the first support frame, and when the nut moves upwards to the maximum stroke, the box body triggers the first switch to power off the box body.

Further, first support frame bottom still is provided with alarm unit, alarm unit include with first support frame bottom fixed connection's box body, locate in the box body and electric connection's DC power supply, alarm and second switch in proper order, the second switch is located the bottom of box body, works as when the nut upward movement is to the maximum stroke, the box touches the second switch, for the alarm is reported to the police.

Further, the alarm is a buzzer.

Further, the cover body comprises a top cover and a rain-proof brim which are connected with each other.

Further, the casing is cylindric, the casing side corresponds rain-proof eaves is provided with a plurality of louvres that are located same horizontal plane, and is a plurality of the louvre is in equidistant interval distribution in the radial direction of casing.

Furthermore, a lead rod is arranged between the first support frame and the second support frame and penetrates through the box body.

Furthermore, a stop block is arranged on the lead rod.

Furthermore, an access window is formed in the side face of the shell, and an access door is arranged on the shell corresponding to the access window.

Furthermore, the access door with the casing rotates and is connected, be provided with the handle on the access door.

Compared with the prior art, the utility model has the following advantages and beneficial effects:

when the anti-creeping device is used, when the inside of the shell is soaked in water, the floating block moves upwards under the action of buoyancy and abuts against the pressure sensor, the controller receives an electric signal sensed by the pressure sensor and then controls the driving piece to rotate so as to drive the box body to move close to the driving piece, and internal components do not have potential soaking hazards and potential safety hazards of electric leakage; the anti-creeping device is not a sealing structure, so that later-stage maintenance is facilitated, and obstacles are not brought to later-stage maintenance.

Drawings

Fig. 1 is a schematic perspective view of an anti-creeping device according to an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of an anti-creeping device according to an embodiment of the present invention;

FIG. 3 is a partially enlarged view of portion A of FIG. 2;

FIG. 4 is a partially enlarged view of the portion B in FIG. 2;

fig. 5 is a schematic perspective view of an embodiment of a partial structure of an anti-creeping device according to the present invention.

Reference numerals: 1. a housing; 11. heat dissipation holes; 12. an access door; 121. a handle; 2. a first support frame; 21. a drive member; 22. a lead screw; 23. a nut; 231. a box body; 24. a first switch; 25. an alarm unit; 251. a box body; 252. a second switch; 26. a lead rod; 261. a blocking block; 3. a second support frame; 4. a slider; 5. a cover body; 51. a top cover; 52. rain eaves are prevented; 6. a controller; 7. a pressure sensor.

Detailed Description

The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, which form a part hereof, and which together with the embodiments of the utility model serve to explain the principles of the utility model and not to limit its scope.

As shown in fig. 1 to 5, an anti-creeping device includes a housing 1 having an open top end and an accommodating cavity formed therein, a first support frame 2 and a second support frame 3 disposed inside the housing 1 and spaced apart from each other vertically, a driving member 21 disposed at a bottom end of the first support frame 2, a lead screw 22 fixedly connected to a rotation shaft of the driving member 21, a nut 23 disposed on the lead screw 22, a slider 4 disposed inside the housing 1, a cover 5 disposed at a top end of the housing 1, a controller 6 disposed at a bottom end of the cover 5, and a pressure sensor 7, wherein the nut 23 is fixedly connected to a box 231, the nut 23 is used for driving the box 231 to move relative to the driving member 21, and the pressure sensor 7 is disposed at a bottom end of the box 231;

the controller 6 is electrically connected with the driving part 21 and the pressure sensor 7 respectively;

when the interior of the housing 1 is soaked, the floating block 4 moves upwards under the action of buoyancy and abuts against the pressure sensor 7, and the controller 6 is used for receiving an electric signal sensed by the pressure sensor 7 and controlling the driving piece 21 to rotate through the electric signal so as to drive the box 231 to move close to the driving piece 21.

When the anti-creeping device provided by the utility model is used, when the interior of the shell 1 is soaked in water, the floating block 4 moves upwards under the action of buoyancy and is abutted against the pressure sensor 7, the controller 6 receives an electric signal sensed by the pressure sensor 7 and then controls the driving piece 21 to rotate so as to drive the box 231 to move close to the driving piece 21, and internal components have no potential soaking hazard and no potential safety hazard of electric leakage; the anti-creeping device is not a sealing structure, so that later-stage maintenance is facilitated, and obstacles are not brought to later-stage maintenance.

The moving distance of the box 231 close to the driving element 21 can be controlled according to the controller 6, and particularly, the controller 6 receives the electric signal sensed by the pressure sensor 7, and then controls the driving element 21 to rotate, so that the box 231 can be driven to move close to the driving element 21 once and move to the maximum displacement stroke (i.e. the distance between the nut 23 and the driving element 21 is the shortest), or the box 231 can be driven to move close to the driving element 21 several times and move to the maximum displacement stroke when the box 231 is driven to move close to the driving element 21 for the last time.

Referring to fig. 2, a first switch 24 for powering on or off the box 231 is disposed at a bottom end of the first support frame 2, and when the nut 23 moves upward to a maximum stroke, the box 231 actuates the first switch 24 to power off the box 231. The first switch 24 is normally in an on state, when the inside of the housing 1 is soaked and the nut 23 moves upward to a maximum stroke, the box 231 triggers the first switch 24, and the box 231 is powered off, so that circuit components in the box 231 can be effectively protected.

Referring to fig. 2 and 3, an alarm unit 25 is further disposed at the bottom end of the first support frame 2, the alarm unit 25 includes a box 251 fixedly connected to the bottom end of the first support frame 2, and a dc power supply, an alarm and a second switch 252 disposed in the box 251 and electrically connected in sequence, the second switch 252 is located at the bottom end of the box 251, and when the nut 23 moves upward to a maximum stroke, the box 231 triggers the second switch 252 to provide an alarm for the alarm. Because it is more important to have some circuit equipment, can often have operation personnel inspection and maintenance, when the torrential rain comes temporarily, set up alarm unit 25 is used for in time giving operation personnel signal, reduces the probability that the switch board damaged because of soaking, has also improved the work efficiency that operation personnel inspected.

Illustratively, the alarm is a buzzer. The design is favorable for reminding the operator to pay attention, and the work efficiency of the operator for inspection is improved. Due to rapid development of modern society science and technology, the alarm can also be a signal transmission device, when the nut 23 moves upwards to the maximum stroke, the box 231 triggers the switch, and an electric signal generated by the switch is directly transmitted to the terminal computer through the signal transmission device, so that an operator can be timely signaled, the probability of damage of the power distribution cabinet due to soaking is reduced, and the work efficiency of checking by the operator is improved.

Referring to fig. 2, the cover 5 includes a top cover 51 and a rain-proof eaves 52 connected to each other. This design is convenient for blocking rain water from drifting into the housing 1.

Referring to fig. 2, the housing 1 is cylindrical, a plurality of heat dissipation holes 11 are formed in the side surface of the housing 1 corresponding to the rain-proof eaves 52 and located on the same horizontal plane, and the heat dissipation holes 11 are distributed at equal intervals in the radial direction of the housing 1. The heat dissipation holes 11 are arranged for dissipating heat inside the housing 1, and the rain-proof eaves 52 are used for preventing rainwater from floating into the housing 1 through the heat dissipation holes 11.

Referring to fig. 2 and 5, a lead rod 26 is disposed between the first support frame 2 and the second support frame 3, and the lead rod 26 is inserted into the box 231. The lead rod 26 is provided to improve the up-and-down movement stability of the case 231.

Referring to fig. 2 and 4, the lead rod 26 is provided with a stopper 261. The stopper 261 is provided to adjust an initial height of the case 231.

Referring to fig. 2, an access window is opened on a side surface of the housing 1, and an access door 12 is disposed on the housing 1 corresponding to the access window. The initial height of the case 231 is adjusted by the stopper 261 so that the case 231 corresponds to the access door 12, facilitating the inspection and maintenance work.

Referring to fig. 2, an access window is opened on a side surface of the housing 1, the access door 12 is rotatably connected to the housing 1, and a handle 121 is disposed on the access door 12. The handle 121 is provided to facilitate rotation of the access door 12.

Compared with the prior art, the anti-creeping device provided by the utility model has the following beneficial effects:

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any simple modifications and equivalent variations of the above embodiments according to the technical spirit of the present invention are within the scope of the present invention.

Claims

1. An anti-creeping device is characterized by comprising a shell with an opening at the top end and a containing cavity formed inside, a first support frame and a second support frame which are arranged inside the shell and are distributed at intervals up and down, a driving piece arranged at the bottom end of the first support frame, a screw rod fixedly connected with a rotating shaft of the driving piece, a nut arranged on the screw rod, a floating block arranged inside the shell, a cover body arranged at the top end of the shell, a controller arranged at the bottom end of the cover body, and a pressure sensor, wherein the nut is fixedly connected with a box body and used for driving the box body to move relative to the driving piece, and the bottom end of the box body is provided with the pressure sensor;

the controller is respectively and electrically connected with the driving piece and the pressure sensor.

2. An anti-creeping device as claimed in claim 1, wherein a first switch for switching on or off the power to or from the box is provided at a bottom end of the first support frame.

3. The anti-creeping device according to claim 2, wherein the first support frame is further provided with an alarm unit at a bottom end thereof, the alarm unit comprises a box fixedly connected with the bottom end of the first support frame, and a dc power supply, an alarm and a second switch which are arranged in the box and electrically connected in sequence, and the second switch is located at a bottom end of the box.

4. The anti-creeping device according to claim 3, wherein the alarm is a buzzer.

5. The electrical leakage prevention apparatus of claim 4, wherein the cover comprises a top cover and a rain-proof eaves connected to each other.

6. The anti-leakage device according to claim 5, wherein the casing is cylindrical, a plurality of heat dissipation holes are formed in the side surface of the casing corresponding to the rain-proof eaves, and the heat dissipation holes are arranged on the same horizontal plane, and are distributed at equal intervals in the radial direction of the casing.

7. The electrical leakage prevention device of any one of claims 1 to 6, wherein a lead rod is disposed between the first support frame and the second support frame, and the lead rod is inserted into the box.

8. The electrical leakage preventing device according to claim 7, wherein a stopper is provided on the lead bar.

9. The anti-creeping device of claim 8, wherein the casing has an access window formed in a side surface thereof, and the casing has an access door provided corresponding to the access window.

10. The electrical leakage prevention device of claim 9, wherein the access door is rotatably connected to the housing, and a handle is provided on the access door.