CN215815734U

CN215815734U - Leakage protection device for electromechanical installation

Info

Publication number: CN215815734U
Application number: CN202121883479.XU
Authority: CN
Inventors: 陈勇; 高翔; 刘正福
Original assignee: First Construction Co Ltd of China Construction Eighth Engineering Division Co Ltd
Current assignee: First Construction Co Ltd of China Construction Eighth Engineering Division Co Ltd
Priority date: 2021-08-12
Filing date: 2021-08-12
Publication date: 2022-02-11
Anticipated expiration: 2031-08-12

Abstract

The utility model provides an electric leakage protection device for electromechanical installation, belongs to the technical field of electromechanical installation, and effectively solves the problem that the safety of a person and equipment is threatened because an electric leakage switch connected in the electromechanical installation cannot timely disconnect a circuit due to a fault. This technical scheme includes leakage switch, and the cooperation of leakage switch output has the load to connect, and the load connects the cooperation to have the roof, states roof fixedly connected with and sets up in the push pedal of leakage switch inner chamber, and the push pedal is connected with auto-eject mechanism, and auto-eject mechanism electric connection has first conductor wire, and the load connects and is connected with electrically conductive cutting towards one side of leakage switch, electrically conductive cutting with set up the cooperation of pegging graft of the electrically conductive splint in leakage switch, electrically conductive splint electric connection has the second wire. The utility model has the beneficial effects that: an electric leakage protection device for electromechanical installation having functions of emergency power-off and automatic ejection of a load joint is provided.

Description

Leakage protection device for electromechanical installation

Technical Field

The utility model relates to the technical field of electromechanical installation, in particular to an electric leakage protection device for electromechanical installation.

Background

The common equipment in electromechanical installation mostly needs to be electrified temporarily to work, an electric leakage protection switch is indispensable for an electric connection circuit, the electric leakage protection switch is a protection device capable of automatically cutting off power supply and is used for preventing human body electric shock and accidents caused by electric leakage, and when the electric leakage current of a circuit or electric equipment is larger than the setting value of the device or the electric shock danger occurs to people and animals, the electric leakage protection switch can act rapidly to cut off an accident power supply, so that the expansion of the accidents is avoided, and the safety of the people and the equipment is ensured.

However, the existing leakage protection switch still has certain defects and unstable factors, and if the leakage protection switch fails once, the leakage protection switch cannot normally open the circuit, thereby possibly causing serious consequences.

Therefore, how to solve the above technical problems becomes the subject of the present invention.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects of the prior art, the utility model provides the leakage protection device for electromechanical installation, which has the functions of emergency power-off and automatic ejection of a load joint.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides an electric leakage protection device for electromechanical installation, which comprises an electric leakage switch, wherein the output end of the electric leakage switch is matched with a load connector, the load connector is matched with a top plate, the top plate is fixedly connected with a push plate arranged in the inner cavity of the electric leakage switch, the push plate is connected with an automatic ejection mechanism, and the automatic ejection mechanism is electrically connected with a first conducting wire;

the load connects the orientation one side of leakage switch is connected with electrically conductive cutting, electrically conductive cutting with set up in the cooperation of pegging graft of electrically conductive splint in the leakage switch, electrically conductive splint electric connection has the second wire.

The push pedal constitutes an electrified route jointly through the first electrically conductive of top and bottom, and electrically conductive splint become electrified conductor through being connected with the second conductor wire, and when electrically conductive cutting inserts in leakage switch's inner chamber and when contacting with two electrically conductive splint from top to bottom, contact between electrically conductive cutting and the electrically conductive splint causes electrically conductive cutting 4 to switch on with electricity.

A vertical plate is fixedly connected in the leakage switch from top to bottom, and a transverse plate perpendicular to the vertical plate is fixedly connected to one side, close to the output end of the leakage switch, of the vertical plate;

the clamping plate is positioned below the transverse plate, and the automatic ejecting mechanism is positioned above the transverse plate;

the utility model discloses a leakage switch, including the roof, the electrically conductive cutting bar, the load connects the upper and lower both sides of the inner wall of leakage switch one side and sets up the roof and electrically conductive cutting bar sliding fit's slide opening, the output one side that is located of leakage switch corresponds the load connects and has seted up the rectangular channel that runs through from top to bottom, the rectangular channel is close to the upper and lower both sides of leakage switch one side inner wall seted up respectively with the roof with electrically conductive cutting bar sliding fit's slide opening.

The push plate is clamped and matched with the top plate through a groove formed in the bottom of the push plate and a clamping groove formed in one end, located on the inner side of the leakage switch, of the top plate;

the roof is kept away from the one end of push pedal passes through the slide opening extends to the leakage switch outside in the rectangular channel and press close to the outside of slide opening, the sectional area that the push pedal is located outside one end is greater than the sectional area of slider.

The automatic ejection mechanism comprises limiting pieces symmetrically connected to two sides of the push plate, and the tops of the limiting pieces are fixedly connected to the inside of the leakage switch;

a through hole is formed in the push plate and positioned above the groove, a guide rod coaxially penetrates through the through hole, and the guide rod is in sliding fit with the through hole;

one end of the guide rod is fixedly connected with the vertical plate, and the other end of the guide rod is fixedly connected with the inner wall of the leakage switch on one side of the output end of the leakage switch;

the outer side of the guide rod, which is positioned between the push plate and the vertical plate, is sleeved with a spring, two ends of the spring are respectively and fixedly connected with the push plate and the vertical plate, and the spring is in a compressed state in a conventional state.

A clamping joint is fixedly connected to one side, opposite to the limiting piece, and a fixing groove in clamping fit with the push plate is formed in the clamping joint;

the whole joint is the plumbous material of metal.

The joint is provided with for the fixed slot at middle part of character cut in bas-relief shape and its inboard with the push pedal card, the joint can block the push pedal, make it at spacing unable removal, the current through the locating part increases unusually, the surface temperature of locating part can rise sharply, because plumbous melting point is lower, it can become soft when the locating part temperature risees and rise the value and melt, so the joint that becomes soft or melt can be broken by the pressure of spring, cause its push pedal can break away from spacing withstand with the roof outwards ejecting.

The clamping plates are respectively and vertically symmetrically fixedly connected to the bottom of the transverse plate and the bottom of the inner cavity of the leakage switch;

the middle part of the clamping plate is convex, and the distance between the upper and lower clamping plate convex parts is smaller than the thickness of the conductive cutting;

the splint are made of elastic metal materials.

The load connects the inboard rectangular channel that is provided with the intercommunication, load connects threaded connection has a housing screw, the bottom of housing screw runs through the top of rectangular channel extends to in the inner chamber of load connects and be located directly over the electrically conductive cutting. The outside wiring can extend the joint to the lower side of the compression screw in the inner cavity of the load joint through the rectangular groove at the front end of the load joint, and the compression screw is screwed down and then the joint and the conductive inserting strip are compressed, so that the outside wiring is conducted.

The bilateral symmetry of load joint is provided with the spout, the spout with the draw runner sliding fit that rectangular channel inner wall both sides set up. The sliding strip and the sliding groove are clamped to limit the load connector, and the sliding groove grooves on two sides of the load connector are inserted opposite to the sliding strip and then the load connector is pushed inwards to the bottom when the load connector is replaced and installed.

When the utility model is actually used: the load bus is connected into the load connector, the connector of the load bus is pressed tightly by using a pressing screw, and then the load connector 3 is butted with the front end of the leakage switch, so that the conductive inserting bar is inserted into the leakage switch and clamped by the conductive clamping plate, and the load bus is electrified. When the inside of the leakage switch breaks down and the short circuit of the circuit is not timely disconnected, the push plate is communicated with the power line, so that the push plate is affected by the short circuit, the temperature of the push plate is higher due to the high current of the short circuit, the clamping head is finally melted or softened, the spring pushes the push plate out to be separated from the limit of the clamping head, the top plate can be pushed out accordingly, and the load joint can be pushed out together after the top plate is pushed out, so that the circuit is disconnected.

The utility model has the beneficial effects that:

1. according to the utility model, the limiting piece is connected for conduction, when the leakage switch fails and cannot cut off a circuit in time, the current passing through the limiting piece is rapidly increased due to the short-circuit fault of the circuit, the working temperature of the limiting piece is also increased, the melting point of the clamping joint is lower, and the clamping joint can be softened or directly melted, so that the push plate is separated from the limiting position under the action of the spring, the load joint is directly ejected out, the load joint is powered off, and the load is effectively protected from being damaged under an emergency condition.

2. According to the utility model, the load connector is designed into a detachable mode, so that the mounting freedom degree is greatly improved, a worker can directly insert the end of a load wiring into the load connector during mounting, the connector is directly inserted into the leakage switch, the connector is convenient to directly replace after being used for a long time, the condition that the integrated connector cannot be replaced and maintained is avoided, the cost is saved, and the service life of the whole device is prolonged.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a side view of the internal structure of the present invention.

Fig. 3 is a schematic view of the mounting structure of the push plate of the present invention.

FIG. 4 is an exploded view of the push plate of the present invention.

Fig. 5 is an exploded view of the load coupling of the present invention.

Fig. 6 is a sectional side view of the present invention in use.

Wherein the reference numerals are: 1. a leakage protection switch; 2. a vertical plate; 3. a load joint; 4. a conductive slip; 5. a compression screw; 6. a conductive splint; 7. a transverse plate; 8. a spring; 9. pushing the plate; 901. a groove; 902. a through hole; 10. a limiting member; 11. a clamping head; 1101. fixing grooves; 12. a guide bar; 13. a top plate; 1301. a card slot; 14. a slide bar; 15. a first conductive line; 16. a second conductive line; 17. a rectangular groove; 18. and (4) a slide hole.

Detailed Description

In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.

Referring to fig. 1 to 6, the utility model relates to an electrical leakage protection device for electromechanical installation, which comprises an electrical leakage switch 1, and is characterized in that a load connector 3 is matched with the output end of the electrical leakage switch 1, a top plate 13 is matched with the load connector 3, the top plate 13 is fixedly connected with a push plate 9 arranged in the inner cavity of the electrical leakage switch 1, the push plate 9 is connected with an automatic ejection mechanism, the automatic ejection mechanism is electrically connected with a first conductive wire 15, one side of the load connector 3 facing the electrical leakage switch 1 is connected with a conductive insert 4, the conductive insert 4 is in inserted fit with a conductive clamp plate 6 arranged in the electrical leakage switch 1, and the conductive clamp plate 6 is electrically connected with a second conductive wire 16.

A vertical plate 2 is fixedly connected in the leakage switch 1 from top to bottom, a transverse plate 7 which is vertical to the vertical plate 2 is fixedly connected on one side of the vertical plate 2 close to the output end of the leakage switch 1, a clamping plate 6 is positioned below the transverse plate 7, an automatic ejection mechanism is positioned above the transverse plate 7,

the side of the leakage switch 1, which is located at the output end and corresponds to the load connector 3, is provided with a through rectangular groove 17 from top to bottom, and the upper side and the lower side of the inner wall of the rectangular groove 17, which is close to the side of the leakage switch 1, are respectively provided with a slide hole 18 which is in slide fit with the top plate 13 and the conductive inserting strip 4.

The push plate 9 is provided with a groove 901 through the bottom thereof, the top plate 13 is located a clamping groove 1301 arranged at one end of the inner side of the leakage switch 1 and is in clamping fit with the top plate 13, one end of the top plate 13 far away from the push plate 9 extends into a rectangular groove 17 at the outer side of the leakage switch 1 through a sliding hole 18 and is close to the outer side of the sliding hole 18, and the sectional area of one end of the push plate 9 at the outer side is larger than that of a sliding block 18.

Automatic pop-up mechanism includes the locating part 10 of symmetric connection in push pedal 9 both sides, locating part 10 top fixed connection is in electric leakage switch 1's inside, push pedal 9 and the top that is located recess 901 have seted up through-hole 902, coaxial wear to be equipped with guide arm 12 in the through-hole 902, guide arm 12 and through-hole 902 sliding fit, 12 one end fixed connection of guide arm in riser 2, other end fixed connection is in the inner wall that electric leakage switch 1 is located its output one side, the 12 outside covers of guide arm that are located between push pedal 9 and the riser 2 are equipped with spring 8, spring 8's both ends are fixed connection in push pedal 9 and riser 2 respectively, under the conventional state, spring 8 is in compression state.

One side of the limiting part 10 opposite to the limiting part is fixedly connected with a clamping joint 11, the clamping joint 11 is provided with a fixing groove 1101 matched with the push plate 9 in a clamping mode, and the whole clamping joint 11 is made of metal lead.

The splint 6 is symmetry fixed connection in the bottom of diaphragm 7 and the bottom of the 1 inner chamber of electric leakage switch about respectively, and the middle part of splint 6 is protruding form, and the distance between two splint 6 bellyings is less than the thickness of electrically conductive cutting 4 about, and splint 6 is for having elastic metal material.

The inboard rectangular channel that is provided with the intercommunication of load joint 3, and load joint 3 threaded connection has housing screw 5, and the bottom of housing screw 5 runs through the top of rectangular channel and extends to in the inner chamber of load joint 3 and be located electrically conductive cutting 4 directly over. The two sides of the load joint 3 are symmetrically provided with sliding grooves which are in sliding fit with the sliding strips 14 arranged on the two sides of the inner wall of the rectangular groove 17.

In actual use: the load bus is connected into the load connector 3, the connector of the load bus is pressed tightly by the pressing screw 5, then the load connector 3 is butted with the front end of the leakage switch 1, the conductive inserting strip 4 is inserted into the leakage switch 1 and clamped by the conductive clamping plate 6, and then the load bus is electrified. When the internal of the leakage switch is in fault and the short circuit of the circuit is not timely disconnected, the push plate 9 is communicated with a power line, so that the push plate 9 is affected by the short circuit, the temperature of the push plate 9 is higher due to the high current of the short circuit, and finally the card connector 11 is melted or softened, so that the spring 8 pushes the push plate 9 out to be separated from the limit of the card connector 11, the top plate 13 can be pushed out accordingly, and the load connector 3 can be pushed out together after the top plate 13 is pushed out, so that the circuit is disconnected.

The technical features of the present invention which are not described in the above embodiments may be implemented by or using the prior art, and are not described herein again, of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and variations, modifications, additions or substitutions which may be made by those skilled in the art within the spirit and scope of the present invention should also fall within the protection scope of the present invention.

Claims

1. The leakage protection device for electromechanical installation comprises a leakage switch (1), and is characterized in that the output end of the leakage switch (1) is matched with a load joint (3), the load joint (3) is matched with a top plate (13), the top plate (13) is fixedly connected with a push plate (9) arranged in the inner cavity of the leakage switch (1), the push plate (9) is connected with an automatic ejection mechanism, and the automatic ejection mechanism is electrically connected with a first conductive wire (15);

load connects (3) orientation one side of earth leakage switch (1) is connected with electrically conductive cutting (4), electrically conductive cutting (4) with set up in electrically conductive splint (6) grafting cooperation in earth leakage switch (1), electrically conductive splint (6) electric connection has second wire (16).

2. The leakage protection device for electromechanical installation according to claim 1, wherein a vertical plate (2) is fixedly connected to the inside of the leakage switch (1) from top to bottom, and a horizontal plate (7) perpendicular to the vertical plate (2) is fixedly connected to one side of the vertical plate (2) close to the output end of the leakage switch (1);

the clamping plate (6) is positioned below the transverse plate (7), and the automatic ejecting mechanism is positioned above the transverse plate (7);

the utility model discloses a leakage switch, including leak switch (1), load joint (3) are located output one side and are corresponded load joint (1) from top to bottom sets up rectangular channel (17) that run through, rectangular channel (17) are close to leak switch (1) one side inner wall the upper and lower both sides seted up respectively with roof (13) with electrically conductive cutting (4) sliding fit's slide opening (18).

3. The leakage protection device for electromechanical installation according to claim 2, wherein the push plate (9) is snap-fitted with the top plate (13) through a groove (901) formed in the bottom of the push plate and a slot (1301) formed in one end of the top plate (13) located at the inner side of the leakage switch (1);

one end of the top plate (13) far away from the push plate (9) is extended to the outer side of the leakage switch (1) through the sliding hole (18), the rectangular groove (17) is arranged in the rectangular groove and is close to the outer side of the sliding hole (18), and the sectional area of one end, located on the outer side, of the push plate (9) is larger than that of the sliding hole (18).

4. An electrical leakage protection device for electromechanical installation according to claim 3, wherein said automatic ejection mechanism comprises position-limiting members (10) symmetrically connected to both sides of said push plate (9), and the top of said position-limiting members (10) is fixedly connected to the inside of said electrical leakage switch (1);

a through hole (902) is formed in the push plate (9) and positioned above the groove (901), a guide rod (12) coaxially penetrates through the through hole (902), and the guide rod (12) is in sliding fit with the through hole (902);

one end of the guide rod (12) is fixedly connected to the vertical plate (2), and the other end of the guide rod is fixedly connected to the inner wall of the leakage switch (1) on one side of the output end of the leakage switch;

the spring (8) is sleeved on the outer side of the guide rod (12) between the push plate (9) and the vertical plate (2), two ends of the spring (8) are fixedly connected to the push plate (9) and the vertical plate (2) respectively, and the spring (8) is in a compression state in a conventional state.

5. The leakage protection device for electromechanical installation according to claim 4, wherein a clamping joint (11) is fixedly connected to one side of the limiting member (10), and the clamping joint (11) is provided with a fixing groove (1101) which is in clamping fit with the push plate (9);

the whole clamping joint (11) is made of metal lead.

6. The leakage protection device for electromechanical installation according to claim 5, wherein the clamping plates (6) are respectively and vertically symmetrically fixedly connected to the bottom of the transverse plate (7) and the bottom of the inner cavity of the leakage switch (1);

the middle part of the clamping plate (6) is convex, and the distance between the convex parts of the upper clamping plate and the lower clamping plate (6) is smaller than the thickness of the conductive inserting strip (4);

the clamping plate (6) is made of elastic metal materials.

7. Leakage protection device for electromechanical installation according to claim 5, characterized in that a connected rectangular groove is provided inside the load connector (3), a compression screw (5) is screwed into the load connector (3), and the bottom end of the compression screw (5) extends through the top of the rectangular groove into the inner cavity of the load connector (3) and is located directly above the conductive insert (4).

8. Creepage protection device for electromechanical installation according to claim 7, characterized in that sliding grooves are symmetrically arranged on both sides of the load connector (3), and the sliding grooves are in sliding fit with sliding strips (14) arranged on both sides of the inner wall of the rectangular groove (17).