CN112467578A

CN112467578A - Civil electric switching switch equipment with leakage protection

Info

Publication number: CN112467578A
Application number: CN202011363620.3A
Authority: CN
Inventors: 王桂辉
Original assignee: Individual
Current assignee: Hubei Xinwanji Electric Co ltd
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-03-09
Anticipated expiration: 2040-11-27
Also published as: CN112467578B

Abstract

The invention discloses a civil electricity switching device with leakage protection, which comprises a switching device shell, wherein one side of the switching device shell is provided with a lead port, the side wall of one end of the switching device shell is uniformly provided with a plurality of radiating holes at intervals, the inner side of the switching device shell, which is positioned at the lead port, is provided with a leakage protection shell, the output end of one side of the leakage protection shell is connected with an electronic component inside the switching device shell, the inside of each radiating hole is provided with a filter screen and hygroscopic cotton, and the inside of the side wall of the switching device shell, which is positioned at the radiating hole, is provided with an automatic cleaning mechanism. The invention is convenient for automatically cleaning the filter screen and the moisture absorption cotton, thereby ensuring that the heat dissipation effect of the switch device is better, effectively prolonging the service life of the switching switch device, having the leakage protection function and higher safety.

Description

Civil electric switching switch equipment with leakage protection

Technical Field

The invention relates to the technical field of electrical switches, in particular to civil electric switching equipment with leakage protection.

Background

The capacitor switching switch is a device specially used for switching a capacitor in a reactive power compensation device, inrush current can be generated when the capacitor is switched in, the magnitude of the inrush current is related to line impedance and related to voltage difference between the capacitor and a power supply when the capacitor is switched in, and the service life of the capacitor can be greatly influenced by overlarge inrush current and can interfere with a power grid, so that the smaller the inrush current is, the better the inrush current is, the synchronous switch and the capacitor switching switch are combined, namely, the synchronous switch is closed at the moment that the voltage at two ends of a switch contact is zero, so that the inrush current-free switching-in of the capacitor is realized, and the capacitor switching switch is opened at the moment that the current is zero.

Current electric switching switchgear function singleness in the use, there is not earth leakage protection function, and inside in order to prevent that dust and moisture in the air from entering into the switchgear casing, need set up filter screen and moisture absorption device in radiator vent department, but filter screen and moisture absorption device use the heat dissipation that the back influences equipment easily for a long time, need regularly artifical the clearance, and people often forget to clear up and lead to electric switching switchgear radiating effect relatively poor, the life of electric switching equipment has been reduced, especially civil electricity switching switchgear, people's safety consciousness is relatively poor, maintain the clearance to electric switching switchgear's few initiative.

Disclosure of Invention

The invention aims to provide a civil electric switching device with leakage protection, which aims to solve the problems in the background technology.

In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a take earth leakage protection's civilian electricity switching switchgear, includes the switchgear casing, one side of switchgear casing is provided with the lead wire mouth, the even a plurality of louvre that is provided with in interval on the lateral wall of switchgear casing one end, the inside inboard that is located the lead wire mouth of switchgear casing is provided with the earth leakage protection casing, earth leakage protection casing one side output is connected with the inside electronic components of switchgear casing, every the inside of louvre all is provided with filter screen and moisture absorption cotton, the inside heat dissipation hole department that is located of lateral wall of switchgear casing is provided with automatic clearance mechanism.

In a preferred embodiment, a live wire and a zero line connected with a lead port are arranged inside the earth leakage protection casing, a lock switch is arranged on each of the live wire and the zero line, a magnetic ring is sleeved outside the live wire and the zero line, a secondary coil is arranged at the bottom end of the magnetic ring in a surrounding mode, two ends of the secondary coil are connected to a current amplifier, an output end of the current amplifier is connected with an electromagnetic trip device, and the electromagnetic trip device is arranged on one side of the lock switch.

In a preferred embodiment, the automatic cleaning mechanism comprises a movable frame arranged inside the side wall of the switch equipment shell, the middle position of the movable frame is rotatably arranged inside the switch equipment shell through a connecting shaft, two sides of the bottom end of one side of the movable frame are respectively provided with a first supporting rod in a hinged mode, a plurality of mounting plates are uniformly arranged between the two first supporting rods at intervals, one side of each mounting plate is provided with a cleaning brush, the bottom end of one side of the movable frame, which is far away from the first supporting rods, is provided with a second supporting rod in a hinged mode, a plurality of supporting plates are uniformly arranged at the inner sides of the two second supporting rods at intervals, a plurality of water permeable holes are uniformly arranged on the supporting plates at intervals, a plurality of reset springs are uniformly arranged at intervals at the bottom end of one side of the movable frame, and an adsorption iron block is embedded in the upper surface of the, the temperature sensing device comprises a movable frame, a current amplifier, a heat dissipation hole and a temperature sensing metal, wherein a permanent magnet is arranged above the movable frame, a conductive coil is wound on the permanent magnet and connected with the output end of the current amplifier, the temperature sensing metal is arranged inside the heat dissipation hole, and one end of the temperature sensing metal penetrates through the side wall of the upper end of the heat dissipation hole and is arranged below the movable frame.

In a preferred embodiment, one side of the inside of the heat dissipation hole, which is located on the filter screen, is provided with a dust collection port, the lower end of the dust collection port is provided with a conical dust collection tank, one end of the conical dust collection tank is connected with a guide pipe, one end of the guide pipe penetrates through the side wall of the switch equipment shell and is connected with a collection box arranged at the outer end of the switch equipment shell, a conical liquid collection port is arranged right below the moisture absorption cotton inside the heat dissipation hole, the bottom end of the conical liquid collection port is connected with a liquid guide pipe, and one end of the liquid guide pipe penetrates through the side wall of the switch equipment shell and is communicated.

In a preferred embodiment, a plugging plate is arranged inside the collecting box and at the position of the material guide pipe and the liquid guide pipe, a pull rope is arranged at the upper end of the plugging plate, the upper end of the pull rope penetrates through the side wall of the top end of the collecting box and is connected with a connecting rod at one end of the movable frame through a guide wheel, rolling wheels are arranged at two ends of the plugging plate, the rolling wheels are arranged in rolling grooves in the inner side wall of the collecting box in a sliding mode, and a rubber sealing gasket is arranged on one side, close to the material guide pipe and the liquid guide pipe, of.

In a preferred embodiment, the outside of first bracing piece and second bracing piece all is provided with the ball, the inside rolling groove that is provided with ball assorted of lateral wall of switchgear casing, the inside wall both ends of louvre be provided with backup pad assorted through-hole, one side that louvre inside wall top is located filter screen is provided with the mouth of accomodating that supplies mounting panel and cleaning brush to accomodate, just storage mouth department is provided with the rubber circle, the cladding has seal ring on the lateral wall of first bracing piece.

In a preferred embodiment, the permanent magnet is disposed in an inclined manner, and the inclination angle of the permanent magnet is the same as that of the movable frame, the permanent magnet is disposed directly above one end of the movable frame, and the temperature sensing metal is disposed directly below one end of the movable frame.

In a preferred embodiment, the upper end of the moisture absorption cotton is fixedly arranged on the side wall of the top end of the heat dissipation hole, the lower end of the moisture absorption cotton is fixedly arranged on the supporting plate, and the cleaning brush on one side of the mounting plate is arranged in contact with one side of the filter screen.

In a preferred embodiment, the guide pipe and the liquid guide pipe inside the switchgear casing are both obliquely arranged, the inclination angle is 25-35 degrees, the liquid guide pipe is internally provided with a one-way valve, and the earth leakage protection casing is made of an insulating material.

In a preferred embodiment, a mounting cavity is formed inside a side wall of the switchgear housing, and the movable frame, the return spring, the permanent magnet and the connecting shaft are disposed in the mounting cavity.

Compared with the prior art, the invention has the following beneficial effects:

1. the temperature sensing metal in the automatic cleaning mechanism can detect the temperature in the shell of the switch device, if the temperature in the shell of the switch device is higher due to the fact that dust adhered to the filter screen and moisture absorbed in the moisture absorption cotton are more and influence the heat in the shell of the switch device to be dissipated, the temperature sensing metal absorbs the temperature in the shell of the switch device and then upwards tilts to jack up one end of the movable frame, so that the first supporting rod and the cleaning brush at one end of the movable frame extend out to clean the filter screen, the second supporting rod and the supporting plate at the other end of the movable frame are lifted up to enable the supporting plate to extrude the moisture absorption cotton, the dust cleaned on the filter screen and water drops extruded from the moisture absorption cotton can be guided into the collecting box through the conical dust collecting groove and the conical liquid collecting port, and the automatic cleaning of the filter screen and the moisture absorption cotton is convenient, therefore, the heat dissipation effect of the switch equipment is better;

2. the invention is provided with a collecting box, a conical dust collecting groove, a conical liquid collecting port, a plugging plate, a pull rope, a ball and a roller, dust cleaned on a filter screen and water drops extruded from absorbent cotton automatically flow into the collecting box, when in use, the plugging plate can plug the ports of the material guiding pipe and the liquid guiding pipe, can prevent dust in the collecting box from entering the switch equipment shell through the liquid guiding pipe in the use process, when the filtering screen and the moisture absorption cotton are cleaned, the connecting rod at one end of the movable frame descends, so that the pulling force of the pull rope on the plugging plate is reduced, thereby leading the plugging plate to move downwards under the action of gravity to expose the material guide pipe and the liquid guide pipe for collecting dust and dropping liquid, the arrangement of the balls and the rollers facilitates the movement of the movable frame and the plugging plate, reduces friction generated when the first supporting rod, the second supporting rod and the plugging plate move, and facilitates the use of people;

3. the invention is provided with the leakage protection shell, and the magnetic ring, the secondary coil, the current amplifier, the electromagnetic trip, the permanent magnet and the conductive coil are arranged in the leakage protection shell, when in normal use, the magnetic fields generated by the live wire and the zero line are equal in size and opposite in direction, so voltage cannot be induced on the magnetic ring and the secondary coil, if a certain line leaks electricity, the current of the live wire and the zero line passing through the magnetic ring is unbalanced, the secondary coil induces voltage, the current amplifier amplifies the current to ensure that the electromagnetic trip switches off the lock switch, thereby carrying out power-off protection on the switching switch equipment, and the current generated by the secondary coil can electrify the conductive coil on the permanent magnet to ensure that the magnetism of the permanent magnet is increased, thereby increasing the adsorption force of the permanent magnet on the adsorption iron block at the upper end of the movable frame and ensuring that the movable, the movable frame rotates to enable the supporting plate to extrude and contract the moisture absorption cotton, and heat dissipation of the switch device shell is facilitated.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

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

FIG. 2 is a schematic cross-sectional view of the switchgear enclosure of the present invention;

FIG. 3 is a schematic diagram of the internal structure of the earth leakage protection housing of the present invention;

FIG. 4 is a schematic structural view of a heat sink of a switchgear enclosure of the present invention;

FIG. 5 is a schematic view of the construction of the drop frame of the present invention;

FIG. 6 is an enlarged view of the structure at A in FIG. 4 according to the present invention;

FIG. 7 is an enlarged view of the structure at B in FIG. 2 according to the present invention;

FIG. 8 is a schematic view of the internal cross-section of the collection bin of the present invention;

in the figure: 1 a switchgear enclosure; 2, a wire leading port; 3, heat dissipation holes; 4, a leakage protection shell; 5, filtering a screen mesh; 6, moisture absorption cotton; 7, a live wire; 8, zero line; 9 a locking switch; 10, magnetic ring; 11 a secondary coil; 12 a current amplifier; 13 an electromagnetic release; 14 a movable frame; 15 connecting the shaft; 16 a first support bar; 17, mounting a plate; 18 cleaning brush; 19 a second support bar; 20 a support plate; 21 water permeable holes; 22 a return spring; 23 adsorbing iron blocks; 24 permanent magnets; 25 an electrically conductive coil; 26 a temperature sensitive metal; 27 a tapered collection port; 28 a conical dust collecting groove; 29 a material guide pipe; 30 a collection box; 31 a catheter; 32 a closure panel; 33 pulling a rope; 34 a guide wheel; 35 rollers; 36 balls; 37 sealing the gasket; 38 mounting a cavity; 39 connecting the rods.

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. 1-8, the invention provides a civil electricity switching device with leakage protection, which includes a switching device housing 1, one side of the switching device housing 1 is provided with a lead port 2, a plurality of heat dissipation holes 3 are uniformly arranged on a side wall of one end of the switching device housing 1 at intervals, a leakage protection housing 4 is arranged inside the switching device housing 1 and located at the inner side of the lead port 2, an output end of one side of the leakage protection housing 4 is connected with an electronic component inside the switching device housing 1, a filter screen 5 and a moisture absorption cotton 6 are arranged inside each heat dissipation hole 3, and an automatic cleaning mechanism is arranged inside the side wall of the switching device housing 1 and located at the heat dissipation hole 3.

In a preferred embodiment, the inside of the earth leakage protection casing 4 is provided with a live wire 7 and a zero wire 8 connected with the lead port 2, the live wire 7 and the zero wire 8 are both provided with a locking switch 9, the outer side of the live wire 7 and the zero wire 8 is sleeved with a magnetic ring 10, the bottom end of the magnetic ring 10 is provided with a secondary coil 11 in a surrounding manner, two ends of the secondary coil 11 are both connected to a current amplifier 12, the output end of the current amplifier 12 is connected with an electromagnetic trip 13, and the electromagnetic trip 13 is arranged on one side of the locking switch 9.

In a preferred embodiment, the automatic cleaning mechanism comprises a movable frame 14 arranged inside the side wall of the switchgear casing 1, the middle position of the movable frame 14 is rotatably arranged inside the switchgear casing 1 through a connecting shaft 15, two sides of the bottom end of one side of the movable frame 14 are respectively and hingedly provided with a first supporting rod 16, a plurality of mounting plates 17 are uniformly arranged between the two first supporting rods 16 at intervals, one side of each mounting plate 17 is provided with a cleaning brush 18, the bottom end of one side of the movable frame 14 away from the first supporting rods 16 is hingedly provided with a second supporting rod 19, a plurality of supporting plates 20 are uniformly arranged inside the two second supporting rods 19 at intervals, a plurality of water permeable holes 21 are uniformly arranged on the supporting plates 20 at intervals, a plurality of reset springs 22 are uniformly arranged at intervals at the bottom end of one side of the movable frame 14, the upper surface embedding of movable frame 14 is provided with adsorbs iron plate 23, the top of movable frame 14 is provided with permanent magnet 24, the upward winding of permanent magnet 24 is provided with conductive coil 25, conductive coil 25 is connected with the output of current amplifier 12, the inside of louvre 3 is provided with temperature sensing metal 26, the lateral wall of louvre 3 upper end is passed to one end of temperature sensing metal 26 to set up in the below of movable frame 14.

In a preferred embodiment, a dust collecting port is arranged on one side of the interior of the heat dissipation hole 3, which is located on the filter screen 5, a conical dust collecting groove 28 is arranged at the lower end of the dust collecting port, one end of the conical dust collecting groove 28 is connected with a material guide pipe 29, one end of the material guide pipe 29 penetrates through the side wall of the switchgear housing 1 and is connected with a collecting box 30 arranged at the outer end of the switchgear housing 1, a conical liquid collecting port 27 is arranged right below the moisture absorption cotton 6 in the interior of the heat dissipation hole 3, a liquid guide pipe 31 is connected to the bottom end of the conical liquid collecting port 27, one end of the liquid guide pipe 31 penetrates through the side wall of the switchgear housing 1 and is communicated with the interior of the collecting box 30, and collection of dust and liquid drops is facilitated through the arrangement of the conical.

In a preferred embodiment, a blocking plate 32 is arranged inside the collecting box 30 at the position of the guide pipe 29 and the liquid guide pipe 31, a pulling rope 33 is arranged at the upper end of the blocking plate 32, the upper end of the pulling rope 33 passes through the top side wall of the collecting box 30 and is connected with a connecting rod 39 at one end of the movable frame 14 through a guide wheel 34, rollers 35 are arranged at both ends of the blocking plate 32, the rollers 35 are arranged in rolling grooves in the inner side wall of the collecting box 30 in a sliding manner, a rubber sealing gasket is arranged at one side of the blocking plate 32 close to the guide pipe 29 and the liquid guide pipe 31, and the blocking plate 32 can block the ports of the guide pipe 29 and the liquid guide pipe 31 so as to prevent dust in the collecting box 30 from entering the switchgear shell 1 through the liquid guide pipe 31 in normal use.

In a preferred embodiment, the outer sides of the first support bar 16 and the second support bar 19 are provided with balls 36, a rolling groove matched with the ball 36 is arranged inside the side wall of the switch equipment shell 1, through holes matched with the support plate 20 are arranged at two ends of the inner side wall of the heat dissipation hole 3, the top end of the inner side wall of the heat dissipation hole 3 is provided with a receiving opening for receiving a mounting plate 17 and a cleaning brush 18 at one side of the filtering screen 5, and the containing opening is provided with a rubber ring, the outer side wall of the first supporting rod 16 is coated with a sealing washer 37, the balls 36 at the outer sides of the first supporting rod 16 and the second supporting rod 19 facilitate the movement of the first supporting rod 16 and the second supporting rod 19, and the arrangement of the rubber ring and the sealing washer 37 can prevent the dust in the heat dissipation hole 3 from entering the gap outside the first support rod 16, and the normal movement of the first support rod 16 is influenced.

In a preferred embodiment, the permanent magnet 24 is disposed in an inclined manner, the inclined angle of the permanent magnet 24 is the same as the inclined angle of the movable frame 14, the permanent magnet 24 is disposed directly above one end of the movable frame 14, the temperature sensing metal 26 is disposed directly below one end of the movable frame 14, and the permanent magnet 24 is parallel to the iron block 23 on the upper end of the movable frame 14, so that the permanent magnet 24 has a better effect of adsorbing the movable frame 14.

In a preferred embodiment, the fixed setting in top lateral wall at louvre 3 in upper end of moisture absorption cotton 6, the lower extreme of moisture absorption cotton 6 is fixed to be set up in backup pad 20, the setting of the cleaning brush 18 of mounting panel 17 one side and the one side contact of filter screen 5, moisture absorption cotton 6 extrudes moisture absorption cotton 6 when making things convenient for backup pad 20 to go up and down with the fixed setting in backup pad 20 upper end, can effectively extrude the inside moisture of moisture absorption cotton 6, can enough improve moisture absorption cotton 6 in to the air, can improve the radiating effect of switching switch equipment again.

In a preferred embodiment, the guide tube 29 and the liquid guide tube 31 inside the switchgear casing 1 are both obliquely arranged at an angle of 25-35 °, and the liquid guide tube 31 is internally provided with a one-way valve, the earth leakage protection casing 1 is made of an insulating material, the guide tube 29 and the liquid guide tube 31 are obliquely arranged so that dust and liquid drops can better enter the collection box 30, and the one-way valve can ensure that dust cannot enter the switchgear casing 1.

In a preferred embodiment, a mounting cavity 38 is provided inside the side wall of the switchgear housing 1, and the movable frame 14, the return spring 22, the permanent magnet 24 and the connecting shaft 15 are all disposed in the mounting cavity 38.

The working principle of the invention is as follows: when the switching device is used, a lead at the outer end of the switching device is connected with a live wire 7 and a zero line 8 in a leakage protection shell 4, a radiating hole 3 at one side of the switching device shell 1 is utilized to radiate heat in the use process of the switching device, magnetic fields generated by the live wire 7 and the zero line 8 are equal in size and opposite in direction in normal use, so that voltage cannot be induced on a magnetic ring 10 and a secondary coil 11, if a certain line leaks electricity, the current of the live wire 7 and the zero line 8 passing through the magnetic ring 10 is unbalanced, the voltage is induced by the secondary coil 11, the current amplifier 12 amplifies the current and transmits the amplified current to an electromagnetic trip 13 and a conductive coil 25, the electromagnetic trip 13 disconnects a lock switch 9, so that the switching device is subjected to power failure protection, and the conductive coil 25 is electrified, so that the magnetism of a permanent magnet 24 is increased, and the adsorption force of the permanent magnet 24 on an adsorption iron, the movable frame 14 rotates around the connecting shaft 15, the movable frame 14 rotates to enable the supporting plate 20 to extrude and contract the moisture absorption cotton 6 and enable the cleaning brush 18 to ascend and descend to clean the filter screen 5, heat dissipation of the shell of the switch device is facilitated, after a circuit is recovered to be normal, the secondary coil 11 cannot induce voltage again, when the switching switch device works normally, the conductive coil 25 is powered off, the adsorption force of the permanent magnet 24 on the adsorption iron block 23 is smaller than the pulling force of the reset spring 22, the adsorption iron block 23 is separated from the permanent magnet 24, and the moisture in the air is continuously absorbed by the moisture absorption cotton 6;

after the switch device is used for a period of time, a large amount of dust is adhered to the filter screen 5, moisture adsorbed on the moisture absorption cotton 6 is large, particularly for areas with heavy moisture, moisture in the moisture absorption cotton 6 is large, dust is easily adhered to the filter screen 5, heat dissipation inside the switch device shell 1 is seriously influenced, when the heat inside the switch device shell 1 cannot be dissipated timely and the temperature is high, the temperature sensing metal 26 can absorb the temperature inside the switch device shell 1, so that the temperature sensing metal 26 deforms, one end of the temperature sensing metal 26 bends upwards to move and can jack up one end of the movable frame 14, so that the movable frame 14 rotates around the connecting shaft 15, the first supporting rod 16 at one end of the movable frame 14 moves downwards, the second supporting rod 19 moves upwards, and when the first supporting rod 16 moves downwards, the mounting plate 17 and the cleaning brush 18 inside the first supporting rod 16 can be driven to extend out of the accommodating hole, along with the descending of the first supporting rod 16, the cleaning brush 18 can clean the filtering screen 5, the cleaned dust can enter the conical dust collecting groove 28, when the second supporting rod 19 is lifted along with the movable frame 14, the second supporting rod 19 can drive the supporting plate 20 to move upwards, the supporting plate 20 can extrude the moisture in the moisture absorption cotton 6, the moisture in the moisture absorption cotton 6 can be extruded out, the extruded moisture can drop into the conical liquid collecting port 27, when the first supporting rod 16 and the second supporting rod 19 move, the balls 36 outside the first supporting rod 16 and the second supporting rod 19 can move in the rolling groove inside the side wall of the switch device shell 1, the friction resistance when the first supporting rod 16 and the second supporting rod 19 move is reduced, the movable frame 14 can more conveniently rotate, when the movable frame 14 rotates, the connecting rod 39 rotates downwards, the pulling force of the pulling rope 33 on the plugging plate 32 is reduced, the plugging plate 32 moves downwards under the action of gravity, so that the plugging plate 32 is separated from the ports of the guide pipe 29 and the liquid guide pipe 31, dust and liquid drops collected in the conical dust collecting groove 28 and the conical liquid collecting port 27 enter the collecting box 30 through the guide pipe 29 and the liquid guide pipe 31 respectively, automatic collection of the dust and the liquid drops is realized, the heat dissipation efficiency at the heat dissipation hole 3 can be accelerated after the moisture absorption cotton 6 is extruded by the support plate 20, when the internal temperature of the switchgear shell 1 is low, the temperature sensing metal 26 gradually returns to the initial state, the movable frame 14 rotates downwards under the action of the return spring 22, so that the first support rod 16 drives the mounting plate 17 and the cleaning brush 18 to move upwards, the second support rod 19 drives the support plate 20 to move downwards, the support plate 20 expands the moisture absorption cotton 6, the connecting rod 39 tightens the pull rope 33, and the pull rope 33 pulls the plugging plate 32 to move upwards, the guide tube 29 and the guide tube 31 are blocked by the blocking plate 32, so that dust in the collection box 30 is prevented from entering the interior of the switchgear housing 1 through the guide tube 31.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a take earth leakage protection's civilian electricity switching switchgear, includes switchgear casing (1), one side of switchgear casing (1) is provided with pin hole (2), even a plurality of louvre (3) that are provided with in interval on switchgear casing (1) one end lateral wall, its characterized in that: the inside inboard that is located pin hole (2) of switchgear casing (1) is provided with earth leakage protection casing (4), earth leakage protection casing (4) one side output is connected with the inside electronic components of switchgear casing (1), every the inside of louvre (3) all is provided with filter screen (5) and cotton (6) absorb moisture, the inside louvre (3) that is located of lateral wall of switchgear casing (1) is located and is provided with automatic clearance mechanism.

2. A civil electric switching device with earth leakage protection as claimed in claim 1, wherein: the inside of earth leakage protection casing (4) is provided with live wire (7) and zero line (8) of being connected with lead wire mouth (2), just all be provided with hasp switch (9) on live wire (7) and zero line (8), the outside cover of live wire (7) and zero line (8) is equipped with magnetic ring (10), the bottom of magnetic ring (10) is encircleed and is provided with secondary coil (11), the both ends of secondary coil (11) are all connected on current amplifier (12), the output of current amplifier (12) is connected with electromagnetic trip ware (13), electromagnetic trip ware (13) set up the one side in hasp switch (9).

3. A civil electric switching device with earth leakage protection as claimed in claim 2, characterized in that: the automatic cleaning mechanism comprises a movable frame (14) arranged inside the side wall of a switch equipment shell (1), the middle position of the movable frame (14) is rotatably arranged inside the switch equipment shell (1) through a connecting shaft (15), two sides of the bottom end of one side of the movable frame (14) are respectively and hingedly provided with a first supporting rod (16), a plurality of mounting plates (17) are uniformly arranged between the two first supporting rods (16) at intervals, a cleaning brush (18) is arranged on one side of each mounting plate (17), the bottom end of one side, far away from the first supporting rod (16), of the movable frame (14) is hinged with a second supporting rod (19), a plurality of supporting plates (20) are uniformly arranged inside the two second supporting rods (19) at intervals, a plurality of water permeable holes (21) are uniformly arranged on the supporting plates (20) at intervals, the utility model discloses a high-temperature-resistant high-voltage electric heating radiator, including activity frame (14), one side bottom interval of activity frame (14) is even is provided with a plurality of reset spring (22), the upper surface embedding of activity frame (14) is provided with adsorbs iron plate (23), the top of activity frame (14) is provided with permanent magnet (24), the last winding of permanent magnet (24) is provided with conductive coil (25), conductive coil (25) are connected with the output of current amplifier (12), the inside of louvre (3) is provided with temperature sensing metal (26), the lateral wall of louvre (3) upper end is passed to the one end of temperature sensing metal (26) to the setting is in the below of activity frame (14).

4. A civil electric switching device with earth leakage protection as claimed in claim 3, wherein: the inside one side that is located filter screen (5) of louvre (3) is provided with the collection dirt mouth, the lower extreme of collection dirt mouth is provided with toper dust collecting tank (28), the one end of toper dust collecting tank (28) is connected with passage (29), the lateral wall of switchgear casing (1) is passed to the one end of passage (29) to connect and set up in collecting box (30) of switchgear casing (1) outer end, louvre (3) inside is located and is provided with toper album liquid mouth (27) under moisture absorption cotton (6), the bottom of toper album liquid mouth (27) is connected with catheter (31), the inside intercommunication of lateral wall and collecting box (30) of switchgear casing (1) is passed to the one end of catheter (31).

5. A civil electric switching device with earth leakage protection as claimed in claim 4, wherein: the collecting box (30) is internally provided with a plugging plate (32) at the positions of the guide pipes (29) and the liquid guide pipes (31), the upper end of the plugging plate (32) is provided with a pull rope (33), the upper end of the pull rope (33) penetrates through the top side wall of the collecting box (30) and is connected with a connecting rod (39) at one end of the movable frame (14) through a guide wheel (34), the two ends of the plugging plate (32) are provided with idler wheels (35), the idler wheels (35) are arranged in rolling grooves in the inner side wall of the collecting box (30) in a sliding mode, and one side, close to the guide pipes (29) and the liquid guide pipes (31), of the plugging plate (32) is provided with a rubber sealing gasket.

6. A civil electric switching device with earth leakage protection as claimed in claim 3, wherein: the outside of first bracing piece (16) and second bracing piece (19) all is provided with ball (36), the lateral wall of switchgear casing (1) is inside be provided with ball (36) assorted roll groove, the inside wall both ends of louvre (3) are provided with backup pad (20) assorted through-hole, one side that louvre (3) inside wall top is located filter screen (5) is provided with the storage opening that supplies mounting panel (17) and clearance brush (18) to accomodate, just storage opening department is provided with the rubber circle, the cladding has seal ring (37) on the lateral wall of first bracing piece (16).

7. A civil electric switching device with earth leakage protection as claimed in claim 3, wherein: the permanent magnet (24) is arranged in an inclined mode, the inclined angle of the permanent magnet (24) is the same as that of the movable frame (14), the permanent magnet (24) is arranged right above one end of the movable frame (14), and the temperature sensing metal (26) is arranged right below one end of the movable frame (14).

8. A civil electric switching device with earth leakage protection as claimed in claim 3, wherein: the upper end of the moisture absorption cotton (6) is fixedly arranged on the side wall of the top end of the heat dissipation hole (3), the lower end of the moisture absorption cotton (6) is fixedly arranged on the supporting plate (20), and the cleaning brush (18) on one side of the mounting plate (17) is in contact with one side of the filtering screen (5).

9. A civil electric switching device with earth leakage protection as claimed in claim 4, wherein: the guide pipe (29) and the liquid guide pipe (31) in the switchgear shell (1) are obliquely arranged, the inclination angle is 25-35 degrees, the liquid guide pipe (31) is internally provided with a one-way valve, and the electric leakage protection shell (1) is made of an insulating material.

10. A civil electric switching device with earth leakage protection as claimed in claim 3, wherein: the switch equipment is characterized in that a mounting cavity (38) is formed in the side wall of the switch equipment shell (1), and the movable frame (14), the reset spring (22), the permanent magnet (24) and the connecting shaft (15) are all arranged in the mounting cavity (38).