CN213660225U

CN213660225U - Automatic reset leakage protection switch with self-checking function

Info

Publication number: CN213660225U
Application number: CN202022769239.9U
Authority: CN
Inventors: 汪韬
Original assignee: Qingdao Kexude Electrical Co ltd
Current assignee: Qingdao Kexude Electrical Co ltd
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-07-09
Anticipated expiration: 2030-11-26

Abstract

The utility model discloses an automatic electric leakage protection switch that resets and take self-checking function, including the switch box, the square iron plate of upper wall left part fixedly connected with in the switch box, square iron plate surface fixedly connected with first coil, lower wall left part fixedly connected with fixed plate in the switch box, fixed plate upper end fixedly connected with outage device, open at switch box lower extreme middle part has the perforation, outage device upper end right part fixed interlude is connected with No. two junction pipes, upper wall middle part fixed interlude is connected with a junction pipe in the switch box, outage device upper end right part activity interlude is connected with power supply inspection device switch box right-hand member middle part is opened has the switch mouth, power supply inspection device right-hand member interlude is connected with manual closing device. An automatic leakage protection switch that resets and take self-checking function, through setting up power supply inspection device, can accomplish the self-checking work before the switch automatic re-setting to further protection switch and with electrical apparatus.

Description

Automatic reset leakage protection switch with self-checking function

Technical Field

The utility model relates to the field of switch technology, in particular to automatic reset just takes earth leakage protection switch of self-checking function.

Background

The switch is a commonly used circuit protection device, when short circuit or electric shock takes place in the circuit, the switch can cut off the circuit and protect electrical apparatus, and earth leakage protection switch's sensitivity is high, can cut off the power effectively after taking the action, ensures personal safety to apply to power consumption places such as family, market and mill in a large number, current earth leakage protection switch has following drawback: 1. the existing switch can not automatically reset after a short circuit is generated to cut off a circuit, and needs manual reset after a circuit fault is eliminated, so that the power supply speed is slow; 2. the existing switch device lacks a self-checking step when in reset, can not determine whether a circuit is recovered, and forcibly closes the circuit when the circuit fault is not eliminated, which is easy to cause the switch to trip again.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main objective is providing an automatic re-setting and takes earth leakage protection switch of self-checking function, can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an automatic reset leakage protection switch with a self-checking function comprises a switch box, wherein a square iron block is fixedly connected to the left part of the inner upper wall of the switch box, a first coil is fixedly connected to the outer surface of the square iron block, a fixed plate is fixedly connected to the left part of the inner lower wall of the switch box, a power-off device is fixedly connected to the upper end of the fixed plate, a through hole is formed in the middle part of the lower end of the switch box, a second wiring pipe is fixedly and alternately connected to the right part of the upper end of the power-off device, the lower end of the second wiring pipe penetrates through the through hole and extends to the lower part of the switch box, a first wiring pipe is fixedly and alternately connected to the middle part of the inner upper wall of the switch box, a power supply checking device is movably and alternately connected to the right part of the upper end of the power-off device, the upper end of the power, and the right end of the manual closing device penetrates through the switch opening and extends to the right side of the switch box.

Preferably, power-off device includes the support frame, support frame upper end fixedly connected with axis of rotation, axis of rotation surface activity interlude is connected with the wane, wane upper end left part fixedly connected with square magnet, wane lower extreme left part fixedly connected with spring, wane upper end right part is opened there is the connecting hole, wane upper end right part fixed interlude is connected with No. two wiring pipes, the equal fixed connection of support frame lower extreme and spring lower extreme is in the fixed plate upper end.

Preferably, the square magnet is located under the square iron block, and the second wiring tube is located under the first wiring tube.

Preferably, manual closing device includes the support column, the support column is provided with two, two common fixedly connected with switch shaft between the support column, switch shaft surface activity interlude is connected with the roller, roller surface right side fixedly connected with insulation switch, roller surface left side fixedly connected with fixture block, two support column lower extreme fixed connection is at the interior lower wall of switch box.

Preferably, the power supply checking device comprises a connecting plate, a connecting pin is fixedly and alternately connected to the left end of the upper end of the connecting plate, a circular magnetic sheet is fixedly connected to the right end of the upper end of the connecting plate, a circular iron block is magnetically connected to the upper end of the circular magnetic sheet, a second coil is fixedly connected to the outer surface of the circular iron block, the upper end of the circular iron block is fixedly connected to the inner wall of the switch box, and the right end of the connecting plate is fixedly and alternately connected to the left end of the clamping.

Preferably, the connecting pin is movably inserted into the connecting hole.

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

1. the utility model discloses in, through setting up power-off device, after the switch tripping operation, when circuit trouble gets rid of the back, when no current passes through in the first coil, power-off device can automatic re-setting gradually for a wire barrel and No. two wire barrels intercommunication resume the power supply, and still can pass through the manual closing switch of manual closing device when necessary, thereby make the switch both can automatic re-setting, also can manually reset, facilitate the use.

2. The utility model discloses in, through setting up power supply inspection device to accomplish the self-checking of device, only the second coil among the inspection device has the current through the time, just indicate the circuit usually, circular iron plate adsorbs circular magnetic sheet, makes the switch power supply that resets, makes the switch accomplish the self-checking before resetting, avoids tripping once more or damages with electrical apparatus.

Drawings

Fig. 1 is a schematic diagram of an overall structure of an earth leakage protection switch with automatic reset and self-checking functions according to the present invention;

fig. 2 is a schematic diagram of the overall structure of a power-off device of an earth leakage protection switch with automatic reset and self-checking functions according to the present invention;

fig. 3 is a schematic diagram of the overall structure of a manual closing device of an earth leakage protection switch with automatic reset and self-checking functions according to the present invention;

fig. 4 is the utility model relates to an automatic reset and take earth leakage protection switch's of self-checking function power supply inspection device's overall structure sketch map.

In the figure: 1. a switch box; 2. a square iron block; 3. a first coil; 4. a fixing plate; 5. a power-off device; 6. a second junction tube; 7. a power supply inspection device; 8. a switch port; 9. a manual closing device; 10. a first wiring tube; 11. perforating; 51. a support frame; 52. a rotating shaft; 53. a seesaw; 54. a square magnet; 55. a spring; 56. connecting holes; 71. a connecting plate; 72. a connecting pin; 73. a circular magnetic sheet; 74. a round iron block; 75. a second coil; 91. a support pillar; 92. a switch shaft; 93. a roller; 94. an insulated switch; 95. and (7) clamping blocks.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in figures 1-4, an automatic reset leakage protection switch with self-checking function comprises a switch box 1, a square iron block 2 is fixedly connected to the left part of the inner upper wall of the switch box 1, a first coil 3 is fixedly connected to the outer surface of the square iron block 2, a fixed plate 4 is fixedly connected to the left part of the inner lower wall of the switch box 1, a power-off device 5 is fixedly connected to the upper end of the fixed plate 4, a through hole 11 is formed in the middle part of the lower end of the switch box 1, a second wiring tube 6 is fixedly and alternately connected to the right part of the upper end of the power-off device 5, the lower end of the second wiring tube 6 penetrates through the through hole 11 and extends to the lower part of the switch box 1, a first wiring tube 10 is fixedly and alternately connected to the middle part of the inner upper wall of the switch box 1, a power supply checking device 7 is movably and alternately connected to the right part of the upper end of the power supply, the right end of the power supply inspection device 7 is connected with a manual closing device 9 in an inserting mode, and the right end of the manual closing device 9 penetrates through the switch opening 8 and extends to the right side of the switch box 1.

The power-off device 5 comprises a support frame 51, a rotating shaft 52 is fixedly connected to the upper end of the support frame 51, a rocker 53 is movably and alternately connected to the outer surface of the rotating shaft 52, a square magnet 54 is fixedly connected to the left portion of the upper end of the rocker 53, a spring 55 is fixedly connected to the left portion of the lower end of the rocker 53, a connecting hole 56 is formed in the right portion of the upper end of the rocker 53, a second wiring pipe 6 is fixedly and alternately connected to the right portion of the upper end of the rocker 53, the lower end of the support frame 51 and the lower end of the spring 55 are fixedly connected to the upper end of a fixing plate 4, the square magnet 54 is located under a square iron block 2, the second wiring pipe 6 is located under a first wiring pipe 10, a manual closing device 9 comprises two support columns 91, the two support columns 91 are arranged, a switch shaft 92 is fixedly connected between the two support columns, roller 93 surface left side fixedly connected with fixture block 95, lower wall in switch box 1 is fixed connection to two support column 91 lower extremes, power supply inspection device 7 includes connecting plate 71, the fixed interlude of connecting plate 71 upper end left part is connected with connecting pin 72, the circular magnetic sheet 73 of connecting plate 71 upper end right part fixedly connected with, circular magnetic sheet 73 upper end magnetism is connected with circular iron plate 74, circular iron plate 74 surface fixedly connected with second coil 75, can be when resuming the power supply inspection circuit circular telegram condition, circular iron plate 74 upper end fixed connection is upper wall in switch box 1, the fixed interlude of connecting plate 71 right-hand member is connected at fixture block 95 left end, connecting pin 72 activity interlude is connected in connecting hole 56.

It should be noted that, the utility model relates to an automatic reset earth leakage protection switch with self-checking function, through setting up switch box 1, can assemble the circuit component in the switch, when switch box 1 uses, a connection tube 10 is connected with a connection tube 6, make the circuit keep the route, when the short circuit takes place for the electric wire, first coil 3 is electrified, under the coil effect, square iron block 2 produces magnetism, thus adsorb square magnet 54, square magnet 54 pulls the left end of wane 53 to move upwards, wane 53 rotates around axis of rotation 52, make the right end of wane 53 descend, thus linkage second connection tube 6 breaks away from a connection tube 10, make the circuit cut off, the magnetic sheet of switch trips, when the right end of wane 53 descends, pull connecting pin 72 and connecting plate 71 to descend, circular 73 breaks away from circular iron block 74, the right end of connecting plate 71 communicates with fixture block 95, thus drive roller 93 anticlockwise small amplitude rotation, the outer leakage insulation switch 94 is rotated upwards to complete the power-off work, when the circuit fault is recovered, the first coil is powered off, the magnetism of the square iron block 2 is eliminated, the left end of the rocker 53 is pulled to descend under the reset action of the spring 55, the second coil 75 monitors whether the rocker is powered on or not at the moment, self-checking is carried out, only when the second coil 75 is powered on, the round iron block 74 is enabled to generate magnetism, the round magnetic sheet 73 is adsorbed at the lower end of the round iron block 74, the adsorption connecting plate 71 moves upwards, the connecting pin 72 is connected with the right end of the rocker 53 to move upwards, the first wiring tube 10 and the second wiring tube 6 can be connected, the circuit is enabled to reset automatically and recover smoothly, after the circuit is powered off, the insulation switch 94 can be manually shifted to shift downwards, the roller 93 rotates clockwise, the fixture block 95 is driven to move upwards, and the connecting plate 71 and the connecting pin 72 are linked to move, the connecting pin 72 drives the right end of the rocker 53 to move upwards, so that the second wiring tube 6 is connected with the first wiring tube 10 again, and the switch can be reset manually or automatically.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an automatic leakage protection switch of reset and area self-checking function, includes switch box (1), its characterized in that: the switch box comprises a switch box body (1), a square iron block (2) is fixedly connected to the left portion of the inner upper wall of the switch box body (1), a first coil (3) is fixedly connected to the outer surface of the square iron block (2), a fixing plate (4) is fixedly connected to the left portion of the inner lower wall of the switch box body (1), a power-off device (5) is fixedly connected to the upper end of the fixing plate (4), a through hole (11) is formed in the middle of the lower end of the switch box body (1), a second wiring tube (6) is fixedly and alternately connected to the right portion of the upper end of the power-off device (5), the lower end of the second wiring tube (6) penetrates through the through hole (11) and extends to the lower portion of the switch box body (1), a first wiring tube (10) is fixedly and alternately connected to the middle of the inner upper wall of the switch box body (1), a power supply inspection device (7) is movably and, the switch box is characterized in that a switch opening (8) is formed in the middle of the right end of the switch box (1), a manual closing device (9) is connected to the right end of the power supply inspection device (7) in an inserting mode, and the right end of the manual closing device (9) penetrates through the switch opening (8) and extends to the right side of the switch box (1).

2. A self-resetting earth leakage protection switch with self-checking function as claimed in claim 1, wherein: outage device (5) are including support frame (51), support frame (51) upper end fixedly connected with axis of rotation (52), axis of rotation (52) surface activity alternates and is connected with wane (53), wane (53) upper end left part fixedly connected with square magnet (54), wane (53) lower extreme left part fixedly connected with spring (55), wane (53) upper end right part is opened there is connecting hole (56), wane (53) upper end right part fixedly alternates and is connected with No. two wiring pipes (6), the equal fixed connection of support frame (51) lower extreme and spring (55) lower extreme is in fixed plate (4) upper end.

3. A self-resetting earth leakage protection switch with self-checking function as claimed in claim 2, wherein: the square magnet (54) is located under the square iron block (2), and the second wiring tube (6) is located under the first wiring tube (10).

4. A self-resetting earth leakage protection switch with self-checking function as claimed in claim 1, wherein: manual closing device (9) are including support column (91), support column (91) are provided with two, two common fixedly connected with switch shaft (92) between support column (91), switch shaft (92) surface activity interlude is connected with roller (93), roller (93) surface right side fixedly connected with insulation switch (94), roller (93) surface left side fixedly connected with fixture block (95), two lower wall in switch box (1) is fixed connection to support column (91) lower extreme.

5. A self-resetting earth leakage protection switch with self-checking function as claimed in claim 1, wherein: power supply inspection device (7) are including connecting plate (71), the fixed interlude of connecting plate (71) upper end left part is connected with connecting pin (72), the circular magnetic sheet (73) of connecting plate (71) upper end right part fixedly connected with, circular magnetic sheet (73) upper end magnetism is connected with circular iron plate (74), circular iron plate (74) surface fixed connection has second coil (75), upper end fixed connection is at switch box (1) interior upper wall in circular iron plate (74), connecting plate (71) right-hand member fixed interlude is connected at fixture block (95) left end.

6. An automatic reset earth leakage protection switch with self-checking function as claimed in claim 5, wherein: the connecting pin (72) is movably inserted into the connecting hole (56).