CN215988404U

CN215988404U - Electric shock prevention type voltage transformer capable of achieving electric leakage alarm

Info

Publication number: CN215988404U
Application number: CN202122002562.8U
Authority: CN
Inventors: 陶成法; 吴义汉; 盛睿; 吴书能; 叶道坤; 彭海珍
Original assignee: Anhui Huaneng Electric Appliance Group Co ltd
Current assignee: Anhui Huaneng Electric Appliance Group Co ltd
Priority date: 2021-08-24
Filing date: 2021-08-24
Publication date: 2022-03-08
Anticipated expiration: 2031-08-24

Abstract

The utility model relates to the technical field of voltage transformers, and discloses an anti-electric-shock type voltage transformer for realizing electric leakage alarm, which comprises a voltage transformer main body, a fusing mechanism arranged in the voltage transformer main body, an alarm mechanism and an installation mechanism which are arranged on the voltage transformer main body, wherein the voltage transformer main body comprises a first shell, the fusing mechanism comprises a first chute arranged in the first shell and an installation block connected in the first chute in a sliding way, the installation block is extended into the first chute by opening the installation groove, the installation block is pushed inwards to enable a top cap at the right side in the installation block to be contacted between the conductive blocks, a passage is formed between the two conductive blocks through the top cap and a fusing wire, when the fusing wire is fused and needs to be replaced, the installation block is moved inwards until the sound of the meshing of a clamping groove and a sliding rod is heard, at the moment, the top caps of the next group and the conductive blocks form a passage, so that the fuse wire is conveniently replaced.

Description

Electric shock prevention type voltage transformer capable of achieving electric leakage alarm

Technical Field

The utility model relates to the technical field of voltage transformers, in particular to an anti-electric-shock voltage transformer for realizing electric leakage alarm.

Background

The voltage transformer is a common electric element, and because the impedance of the voltage transformer is very small, if the secondary side of the voltage transformer is short-circuited, the coil is easily burnt. Therefore, the primary side of the voltage transformer is connected with the fuse, but the fuse needs to be disassembled when being replaced after being fused, the fuse wire is fixed, the detection is inconvenient when the voltage transformer generates electric leakage, the electric shock is easy to occur, and the household voltage transformer is relatively troublesome in installation.

In order to solve the problems, the electric shock prevention type voltage transformer for realizing electric leakage alarm is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an anti-electric shock type voltage transformer for realizing electric leakage alarm, which works by adopting the device, thereby solving the problems that the primary side of the voltage transformer in the background is connected with a fuse, the fuse is required to be disassembled when being replaced after being fused, the fuse wire is fixed, the operation is complicated, the detection is inconvenient when the voltage transformer generates electric leakage, the electric shock is easy to occur, and the household voltage transformer is relatively troublesome in installation.

In order to achieve the purpose, the utility model provides the following technical scheme: an anti-electric-shock type voltage transformer for realizing electric leakage alarm comprises a voltage transformer main body, a fusing mechanism arranged in the voltage transformer main body, an alarm mechanism and an installation mechanism, wherein the alarm mechanism and the installation mechanism are arranged on the voltage transformer main body;

be provided with the mounting groove in the installation piece, all be provided with the insulating cylinder in the mounting groove, the inside of insulating cylinder is provided with the fuse, and evenly distributed has the draw-in groove on the outer wall of mounting groove, and the fuse-link still includes the second spout, and the inside sliding connection of second spout has the slide bar, and the one end fixedly connected with of slide bar and the corresponding latch of draw-in groove.

Further, the first shell is rotatably connected with a side cover corresponding to the first sliding groove, the insulating cylinder is fixedly connected with a limiting ring at the upper part and the lower part inside, a first spring is fixedly connected with the outer side of the limiting ring, a top cap is fixedly connected with the outer side of the first spring, and the top cap is connected in the insulating cylinder in a sliding mode.

Further, the inside of first casing is close to the position about the installation piece and all is provided with the conducting block, fixedly connected with stopper on the slide bar, and the other end of slide bar runs through first casing and extends, fixedly connected with second spring between stopper and the second spout inner wall.

Further, the voltage transformer main body further comprises a first winding and a second winding which are arranged on the top of the first shell, and a terminal is arranged at the front end of the first shell.

Further, alarm mechanism includes the second casing of fixed connection in first casing one side, and the inside of second casing is provided with the circuit board, and electric connection has rectifier, current amplifier and warning light on the circuit board, and the inside of second casing is provided with the buzzer siren, and buzzer siren and circuit board electric connection.

Further, alarm mechanism still includes the earth connection that sets up in first casing bottom, and top one side fixedly connected with wire of first casing, and the other end series circuit board of wire and fixed connection are on the earth connection.

Further, the installation mechanism comprises an installation plate fixedly connected to the rear end of the first shell and a fixing plate arranged at the rear end of the installation plate.

Furthermore, the outside of mounting panel is provided with the fluting, and the inside below of fluting is provided with first spacing groove, and the inside top of fluting is provided with the second spacing groove, and the second spacing groove is linked together with first spacing groove.

Furthermore, the screw is in threaded connection with the left side and the right side of the fixing plate, third limiting grooves are formed in the two sides of the front end of the fixing plate, sliding blocks are connected to the inside of the third limiting grooves in a sliding mode, third springs are fixedly connected between the sliding blocks and the side walls of the third limiting grooves, and round blocks corresponding to the side walls of the second limiting grooves are fixedly connected to the front ends of the sliding blocks.

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

1. according to the anti-electric-shock voltage transformer for realizing the electric leakage alarm, the mounting block is stretched into the first sliding groove by opening the mounting groove, the mounting block is pushed inwards, the top cap on the right side in the mounting block is contacted between the conductive blocks, a passage is formed between the two conductive blocks through the top cap and the fuse wire, when the fuse wire is fused and needs to be replaced, the mounting block is continuously moved inwards until the sound of the meshing of the clamping groove and the sliding rod is heard, and at the moment, the top caps of the next group and the conductive blocks form a passage, so that the fuse wire is conveniently replaced.

2. When the voltage transformer main body leaks electricity, current flows on the first shell, the current is grounded through the grounding wire, then part of the current enters the circuit board from the conducting wire, the current is amplified under the action of the rectifier and the alarm lamp and finally is led into the ground from the grounding wire, then the alarm lamp is turned on, the buzzer alarm gives out an alarm to remind maintenance personnel to maintain, and danger is reduced.

3. According to the anti-electric-shock voltage transformer for realizing the electric leakage alarm, the fixing plate is installed on the wall surface through the screw, the slotted groove in the rear end of the installing plate is aligned to the round block on the surface of the fixing plate and is installed downwards from the top of the round block, at the moment, the round block is attached to the side wall of the first limiting groove to compress the third spring, the third spring resets after the round block enters the second limiting groove, and the round block in the fixing plate is meshed with the second limiting groove in the installing plate, so that convenient installation is realized.

Drawings

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

FIG. 2 is an exploded view of the fuse mechanism configuration of the present invention;

FIG. 3 is a cross-sectional view of a first housing construction of the present invention;

FIG. 4 is an exploded view of the alarm mechanism configuration of the present invention;

FIG. 5 is an exploded view of the mounting mechanism configuration of the present invention;

FIG. 6 is a cross-sectional view of a mounting plate structure of the present invention.

In the figure: 1. a voltage transformer body; 11. a first housing; 12. a terminal; 13. a first winding; 14. a second winding; 2. a fusing mechanism; 21. a first chute; 211. a side cover; 212. a conductive block; 22. mounting blocks; 221. mounting grooves; 222. an insulating cylinder; 223. a limiting ring; 224. a first spring; 225. a top cap; 226. fusing the wires; 227. a card slot; 23. a second chute; 231. a slide bar; 232. a limiting block; 233. a second spring; 234. clamping teeth; 3. an alarm mechanism; 31. a second housing; 32. a circuit board; 321. a rectifier; 322. a buzzer alarm; 323. a current amplifier; 324. an alarm light; 33. a wire; 34. a ground line; 4. an installation mechanism; 41. mounting a plate; 411. grooving; 412. a first limit groove; 413. a second limit groove; 42. a fixing plate; 421. screws; 422. a third limiting groove; 423. a third spring; 424. a slider; 425. and (7) round blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, an anti-electric-shock voltage transformer for implementing an electric leakage alarm includes a voltage transformer main body 1, a fusing mechanism 2 disposed in the voltage transformer main body 1, an alarm mechanism 3 and an installation mechanism 4 disposed on the voltage transformer main body 1, the voltage transformer main body 1 includes a first housing 11, the fusing mechanism 2 includes a first chute 21 disposed in the first housing 11, and an installation block 22 slidably connected in the first chute 21, an installation slot 221 is disposed in the installation block 22, an insulation cylinder 222 is disposed in the installation slot 221, a fuse 226 is disposed in the insulation cylinder 222, slots 227 are uniformly distributed on an outer wall of the installation slot 221, the fusing mechanism 2 further includes a second chute 23, a sliding rod 231 is slidably connected in the second chute 23, a latch 234 corresponding to the slots 227 is fixedly connected to one end of the sliding rod 231, the first shell 11 is rotatably connected with a side cover 211 corresponding to the first sliding chute 21, the inside of the insulating cylinder 222 is vertically and fixedly connected with a limiting ring 223, the outside of the limiting ring 223 is fixedly connected with a first spring 224, the outside of the first spring 224 is fixedly connected with a top cap 225, the top cap 225 is slidably connected in the insulating cylinder 222, the inside of the first shell 11 near the upper and lower positions of the mounting block 22 is provided with a conductive block 212, the sliding rod 231 is fixedly connected with a limiting block 232, the other end of the sliding rod 231 penetrates through the first shell 11 and extends, a second spring 233 is fixedly connected between the limiting block 232 and the inner wall of the second sliding chute 23, the voltage transformer body 1 further comprises a first winding 13 and a second winding 14 which are arranged at the top of the first shell 11, the front end of the first shell 11 is provided with a terminal 12, when the fuse wire 226 is fused and needs to be replaced, the mounting block 22 is continuously moved inwards, until the sound of the engagement of the catching groove 227 with the slide bar 231 is heard, the top cap 225 of the next set is in communication with the conductive block 212.

Referring to fig. 4, the alarm mechanism 3 includes a second housing 31 fixedly connected to one side of the first housing 11, a circuit board 32 is disposed inside the second housing 31, a rectifier 321, a current amplifier 323 and an alarm lamp 324 are electrically connected to the circuit board 32, a buzzer 322 is disposed inside the second housing 31, the buzzer 322 is electrically connected to the circuit board 32, the alarm mechanism 3 further includes a ground line 34 disposed at the bottom of the first housing 11, a lead 33 is fixedly connected to one side of the top of the first housing 11, and the other end of the lead 33 is connected to the circuit board 32 in series and fixedly connected to the ground line 34, when the voltage transformer body 1 leaks, there is a current on the first housing 11, the current is grounded through the ground line 34, then a part of the current enters the circuit board 32 from the lead 33, the current is amplified by the action of the rectifier 321 and the alarm lamp 324 and finally led to the ground from the ground line 34, the alarm light 324 then lights up and the buzzer siren 322 sounds an alarm.

Referring to fig. 5-6, the mounting mechanism 4 includes a mounting plate 41 fixedly connected to the rear end of the first housing 11 and a fixing plate 42 disposed at the rear end of the mounting plate 41, the mounting plate 41 is provided with a slot 411 at the outer side thereof, a first position-limiting groove 412 is disposed below the interior of the slot 411, a second position-limiting groove 413 is disposed above the interior of the slot 411, the second position-limiting groove 413 is communicated with the first position-limiting groove 412, screws 421 are threadedly connected to the left and right sides of the fixing plate 42, third position-limiting grooves 422 are disposed on the front sides of the fixing plate 42, sliders 424 are slidably connected to the interior of the third position-limiting grooves 422, third springs 423 are fixedly connected between the sliders 424 and the sidewalls of the third position-limiting grooves 422, round screws 425 corresponding to the sidewalls of the second position-limiting grooves 413 are fixedly connected to the front ends of the sliders 424, 421 fix the fixing plate 42 to the wall surface, the mounting plate 41 is aligned to the round blocks 425 on the surface of the fixing plate 42, the round block 425 is installed downwards from the top of the round block 425, at this time, the round block 425 is attached to the side wall of the first limiting groove 412 to compress the third spring 423, after the round block 425 enters the second limiting groove 413, the third spring 423 resets, and the round block 425 in the fixing plate 42 is engaged on the second limiting groove 413 in the installation plate 41.

The working principle is as follows: the mounting block 22 is extended into the first sliding chute 21 by opening the mounting groove 221, the mounting block 22 is pushed inwards, the top cap 225 at the right side in the mounting block 22 is contacted between the conductive blocks 212, so that a passage is formed between the two conductive blocks 212 through the top cap 225 and the fusible link 226, when the fusible link 226 is fused and needs to be replaced, the mounting block 22 is continuously moved inwards until the sound that the clamping groove 227 is meshed with the sliding rod 231 is heard, at the moment, the top caps 225 and the conductive blocks 212 of the next group form a passage, the fusible link 226 is conveniently replaced, when the voltage transformer body 1 leaks electricity, current is on the first shell 11, the current is grounded through the grounding wire 34, then part of the current enters the circuit board 32 from the conducting wire 33, the current is amplified by the rectifier 321 and the alarm lamp 324 and finally led to the ground from the grounding wire 34, and then the alarm lamp 324 is turned on, buzzer siren 322 sends out the police dispatch newspaper, remind the maintenance personal to maintain, install fixed plate 42 on the wall through screw 421, through the round piece 425 of aiming at the fixed plate 42 surface with the fluting 411 of mounting panel 41 rear end, install downwards from the top of round piece 425, at this moment, the laminating of round piece 425 is at the lateral wall compression third spring 423 of first spacing groove 412, third spring 423 resets after round piece 425 enters into second spacing groove 413, round piece 425 meshing in the fixed plate 42 is on the inside second spacing groove 413 of mounting panel 41.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a realize protection against electric shock type voltage transformer of electric leakage alarm, includes voltage transformer main part (1) and sets up fusing mechanism (2) in voltage transformer main part (1), still including alarm mechanism (3) and installation mechanism (4) of setting on voltage transformer main part (1), its characterized in that: the voltage transformer main body (1) comprises a first shell (11), the fusing mechanism (2) comprises a first sliding groove (21) arranged in the first shell (11) and a mounting block (22) connected in the first sliding groove (21) in a sliding manner;

the mounting structure is characterized in that a mounting groove (221) is formed in the mounting block (22), an insulating cylinder (222) is arranged in the mounting groove (221), a fuse (226) is arranged inside the insulating cylinder (222), clamping grooves (227) are uniformly distributed in the outer wall of the mounting groove (221), the fusing mechanism (2) further comprises a second sliding groove (23), a sliding rod (231) is connected to the inside of the second sliding groove (23) in a sliding mode, and a clamping tooth (234) corresponding to the clamping grooves (227) is fixedly connected to one end of the sliding rod (231).

2. The electric leakage alarm-realizing electric shock prevention type voltage transformer according to claim 1, wherein: the side cover (211) corresponding to the first sliding groove (21) is connected to the first shell (11) in a rotating mode, the limiting ring (223) is fixedly connected to the inside of the insulating cylinder (222) from top to bottom, the first spring (224) is fixedly connected to the outer side of the limiting ring (223) from top to bottom, the top cap (225) is fixedly connected to the outer side of the first spring (224), and the top cap (225) is connected to the inside of the insulating cylinder (222) in a sliding mode.

3. The electric leakage alarm-realizing electric shock prevention type voltage transformer according to claim 1, wherein: the inside of first casing (11) is close to the position about installation piece (22) and all is provided with conducting block (212), fixedly connected with stopper (232) on slide bar (231), and the other end of slide bar (231) runs through first casing (11) and extends, fixedly connected with second spring (233) between stopper (232) and second spout (23) inner wall.

4. The electric leakage alarm-realizing electric shock prevention type voltage transformer according to claim 1, wherein: the voltage transformer main body (1) further comprises a first winding (13) and a second winding (14) which are arranged on the top of the first shell (11), and a terminal (12) is arranged at the front end of the first shell (11).

5. The electric leakage alarm-realizing electric shock prevention type voltage transformer according to claim 1, wherein: alarm mechanism (3) are including second casing (31) of fixed connection in first casing (11) one side, and the inside of second casing (31) is provided with circuit board (32), and electric connection has rectifier (321), current amplifier (323) and warning light (324) on circuit board (32), and the inside of second casing (31) is provided with buzzer siren (322), and buzzer siren (322) and circuit board (32) electric connection.

6. The electric leakage alarm-realizing electric shock prevention type voltage transformer according to claim 5, wherein: the alarm mechanism (3) further comprises a grounding wire (34) arranged at the bottom of the first shell (11), one side of the top of the first shell (11) is fixedly connected with a wire (33), and the other end of the wire (33) is connected with a circuit board (32) in series and fixedly connected onto the grounding wire (34).

7. The electric leakage alarm-realizing electric shock prevention type voltage transformer according to claim 1, wherein: the mounting mechanism (4) comprises a mounting plate (41) fixedly connected to the rear end of the first shell (11) and a fixing plate (42) arranged at the rear end of the mounting plate (41).

8. The electric leakage alarm-realizing electric shock prevention type voltage transformer according to claim 7, wherein: the outer side of the mounting plate (41) is provided with a slot (411), a first limiting groove (412) is arranged below the inner portion of the slot (411), a second limiting groove (413) is arranged above the inner portion of the slot (411), and the second limiting groove (413) is communicated with the first limiting groove (412).

9. The electric leakage alarm realization electric shock prevention type voltage transformer according to claim 8, characterized in that: the utility model discloses a fixing plate, including fixed plate (42), the equal threaded connection of fixed plate (42) left and right sides has screw (421), and the front end both sides of fixed plate (42) all are provided with third spacing groove (422), and the equal sliding connection in inside of third spacing groove (422) has slider (424), and equal fixedly connected with third spring (423) between the lateral wall of slider (424) and third spacing groove (422), the front end fixedly connected with of slider (424) and second spacing groove (413) lateral wall corresponding round piece (425).