CN112332261A - Electric leakage protection device for electric cabinet - Google Patents
Electric leakage protection device for electric cabinet Download PDFInfo
- Publication number
- CN112332261A CN112332261A CN202011159952.XA CN202011159952A CN112332261A CN 112332261 A CN112332261 A CN 112332261A CN 202011159952 A CN202011159952 A CN 202011159952A CN 112332261 A CN112332261 A CN 112332261A
- Authority
- CN
- China
- Prior art keywords
- electric cabinet
- gear
- connecting piece
- outer shell
- locking
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/46—Boxes; Parts thereof or accessories therefor
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
- H05K5/0221—Locks; Latches
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0247—Electrical details of casings, e.g. terminals, passages for cables or wiring
Abstract
The invention relates to the technical field of power equipment, in particular to a leakage protection device for an electric cabinet, which comprises a driving piece, an electromagnet, a joint, a push rod, a mounting hole, a pressure spring, a connecting ball, a mounting plate, a first connecting piece, a driving plate, a first locking rod, a first connecting shaft, a first gear, a second connecting piece, a gear ring, a second locking rod, a second gear, a second connecting shaft, a sliding seat, a square hole, a bolt, a rack, a rotating rod and a third gear.
Description
Technical Field
The invention relates to the technical field of power equipment, in particular to an electric leakage protection device for an electric cabinet.
Background
The electric cabinet of machine has the condition of electric leakage under the condition of breaking down at the in-process of machine operation, and under the electric leakage condition, when the staff opened the electric cabinet, there was the danger of unexpected electric shock, and does not have the protection device to this kind of condition at present.
Disclosure of Invention
The invention aims to provide an electric leakage protection device of an electric cabinet, which can completely lock a sliding door of the electric cabinet when the electric cabinet leaks electricity, so as to solve the problems in the background technology.
The technical scheme of the invention is as follows: a leakage protection device for an electric cabinet comprises an outer shell, wherein an installation block is arranged on one side surface outside the outer shell, a waist-shaped hole is formed in the installation block, and a connecting lug seat is arranged inside the outer shell;
the electromagnetic driving mechanism is arranged at the upper end of one side in the outer shell and can lock a sliding door of the electric cabinet under the condition that the electric cabinet leaks electricity;
the locking mechanism is arranged inside the outer shell and is positioned below the electromagnetic driving mechanism;
the linkage mechanism is arranged in the outer shell and located on one side of the locking mechanism, and the sliding door of the electric cabinet can be locked under the action of the locking mechanism.
As a preferable scheme of the invention, the electromagnetic driving mechanism comprises a fixed seat, a connecting lug is arranged on the outer side wall of the fixed seat, the fixed seat is fixedly arranged on the connecting lug seat through the connecting lug, sliding grooves are symmetrically formed on two sides of the inner side wall of the fixed seat, and an arc-shaped groove is formed on one side wall of each sliding groove; the driving part is arranged at the upper end of the fixed seat, one side of the driving part close to the inside of the fixed seat is fixedly provided with an electromagnet, one side of the driving part positioned outside the fixed seat is fixedly provided with a joint, the joint is electrically connected with the electromagnet, and the joint is electrically connected with a current transformer in the electric cabinet; the push rod is connected with the fixed seat in a sliding mode, one end, close to the electromagnet, of the push rod is provided with a magnetic material, and when the electromagnet is powered on, the push rod can be pushed downwards.
As a preferable scheme of the present invention, the pushing rod is cylindrical, one end of the pushing rod close to the electromagnet is symmetrically provided with a convex block, the convex block is clamped in the sliding groove, a side surface of the convex block, which is attached to the sliding groove, is provided with a mounting hole, a pressure spring is fixedly connected in the mounting hole, one end of the pressure spring is fixedly provided with a connecting ball, an end surface of the convex block is fixedly provided with a mounting plate, one end surface of the mounting plate, which is close to the connecting ball, is provided with a ball-shaped groove, and after the mounting plate is mounted, one third of the connecting ball is located outside the convex block and is clamped in the arc-shaped groove.
As a preferable scheme of the present invention, the locking mechanism includes a first connecting piece, the first connecting piece is rotatably connected to an inner side wall of the outer housing, a driving plate is fixedly disposed on the first connecting piece, the driving plate is located right below the electromagnetic driving mechanism, a first locking rod is fixedly disposed on the first connecting piece in a direction close to the interlocking mechanism, a first connecting shaft is fixedly disposed on an end surface of the first connecting piece, and a first gear is fixedly disposed at the other end of the first connecting shaft; the second connecting piece is rotatably connected to the inner side wall of the outer shell through a shaft sleeve, the second connecting piece is annular, a gear ring is arranged in the second connecting piece, and a second locking rod is fixedly arranged on one side, close to the interlocking mechanism, of the second connecting piece; the second gear is fixedly arranged on the inner side wall of the outer shell through a second connecting shaft and is positioned inside the second connecting piece; the first gear and the second connecting piece are coaxially arranged, and the first gear is positioned inside the second connecting piece; the second gear is respectively meshed with the first gear and the gear ring; and an arc-shaped groove is formed at the joint of the driving plate and the second connecting piece.
As a preferable scheme of the present invention, the second locking rod is in a horizontal state, an included angle between the first locking rod and the second locking rod is 60 °, and the first locking rod is located right below the second locking rod.
As a preferable scheme of the invention, the interlocking mechanism comprises a sliding seat, the sliding seat is fixedly arranged on the inner side wall of the outer shell and is positioned at one side of the locking mechanism, the sliding seat is provided with a slide way along the horizontal direction, and the bottom of the slide way is provided with a square hole; the bolt is arranged in the slide way in a sliding mode, a rack is fixedly arranged on the part, opposite to the square hole, of the bolt, one end, far away from the locking mechanism, of the bolt extends to the outer side of the outer shell through a connecting hole in the outer shell, and a sliding door of the electric cabinet is locked; one end of the rotating rod extends to the outside of the outer shell through a through hole in the outer shell and is fixedly connected with a rotating handle of the sliding door of the electric cabinet; and the third gear is fixedly arranged at one end of the rotating rod and is meshed with the rack.
Advantageous effects
The invention provides an electric leakage protection device for an electric cabinet by improvement, compared with the prior art, the electric leakage protection device has the following improvements and advantages:
1. by arranging the electromagnetic driving mechanism, the locking mechanism and the interlocking mechanism, the electromagnetic driving mechanism can drive the locking mechanism to move to lock the sliding door of the electric cabinet under the condition of electric leakage, so that the danger of electric shock caused by the fact that a worker opens the sliding door of the electric cabinet under the condition of electric leakage of the electric cabinet is avoided;
2. under the condition of incomplete locking when the electric cabinet sliding door, the locking mechanism can lock the electric cabinet sliding door firstly, and then completely lock the electric cabinet sliding door, so that the electric cabinet sliding door is prevented from being electrically shocked by a worker when the electric cabinet leaks electricity.
Drawings
The invention is further explained below with reference to the figures and examples:
FIG. 1 is a schematic isometric view of the present invention;
FIG. 2 is a schematic isometric cross-sectional structural view of the present invention;
FIG. 3 is an enlarged view taken at A in FIG. 2;
FIG. 4 is a schematic isometric view of an electromagnetic drive mechanism according to the present invention;
FIG. 5 is a schematic isometric sectional view of an electromagnetic drive mechanism according to the present invention;
FIG. 6 is an enlarged view of FIG. 5 at B;
FIG. 7 is a schematic isometric view of a mounting base according to the present invention;
FIG. 8 is a schematic top view of the fixing base of the present invention;
FIG. 9 is an isometric view of the locking mechanism of the present invention;
FIG. 10 is a schematic isometric view of a first connector according to the present invention;
fig. 11 is a schematic bottom isometric view of the interlocking mechanism of the present invention.
In the figure, the outer shell 1, the mounting block 101, the kidney-shaped hole 102, the connecting hole 103, the connecting lug seat 104, the electromagnetic driving mechanism 2, the locking mechanism 3, the interlocking mechanism 4, the fixing seat 22, the connecting lug 221, the sliding slot 222, the arc-shaped slot 223, the driving member 21, the electromagnet 212, the joint 211, the pushing rod 23, the mounting hole 231, the compression spring 232, the connecting ball 233, the mounting plate 234, the first connecting member 31, the driving plate 311, the first locking rod 312, the first connecting shaft 314, the first gear 313, the second connecting member 32, the gear ring 323, the second locking rod 322, the second gear 33, the second connecting shaft 34, the sliding seat 41, the square hole 411, the latch 42, the rack 421, the rotating rod 44, and the third gear 43 are arranged.
Detailed Description
The present invention will be described in detail with reference to fig. 1 to 11, and the technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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.
As shown in fig. 1-2, the leakage protection device for an electric cabinet of the present invention includes an outer casing 1, a mounting block 101 is disposed on one side surface outside the outer casing 1, a waist-shaped hole 102 is disposed on the mounting block 101, and a connecting ear seat 104 is disposed inside the outer casing 1;
the electromagnetic driving mechanism 2 is arranged at the upper end of one side in the outer shell 1, and the electromagnetic driving mechanism 2 can lock a sliding door of the electric cabinet under the condition that the electric cabinet leaks electricity;
the locking mechanism 3 is arranged inside the outer shell 1 and is positioned below the electromagnetic driving mechanism 2;
and the interlocking mechanism 4 is arranged in the outer shell 1 and positioned on one side of the locking mechanism 3, and the interlocking mechanism 4 can lock the sliding door of the electric cabinet under the action of the locking mechanism 3.
As shown in fig. 4-8, the electromagnetic driving mechanism 2 includes a fixing base 22, a connecting lug 221 is disposed on an outer side wall of the fixing base 22, the fixing base 22 is fixedly disposed on the connecting lug seat 104 through the connecting lug 221, sliding slots 222 are symmetrically disposed on two sides of an inner side wall of the fixing base 22, and an arc-shaped slot 223 is disposed on one side wall of the sliding slot 222; the driving part 21 is arranged at the upper end of the fixed seat 22, an electromagnet 212 is fixedly arranged on one side of the driving part 21 close to the inside of the fixed seat 22, a connector 211 is fixedly arranged on one side of the driving part 21 outside the fixed seat 22, the connector 211 is electrically connected with the electromagnet 212, and the connector 211 is electrically connected with a current transformer in the electric cabinet; the push rod 23 is connected with the fixed seat 22 in a sliding mode, one end, close to the electromagnet 212, of the push rod 23 is provided with a magnetic material, and when the electromagnet 212 is powered on, the push rod 23 can be pushed downwards. When the electric cabinet has electric leakage, the current transformer can transmit current to the connector 211, so that the electromagnet 212 is electrified, magnetic force is generated when the electromagnet 212 is electrified, and the magnetic pole of the electromagnet 212 is opposite to that of the magnetic material on the push rod 23, so that the push rod 23 moves downwards.
Further, as shown in fig. 5 to 6, the pushing rod 23 is cylindrical, a protrusion is symmetrically arranged at one end of the pushing rod 23 close to the electromagnet 212, the protrusion is clamped in the sliding groove 222, a mounting hole 231 is arranged on one side surface of the protrusion, which is close to the sliding groove 222, a pressure spring 232 is fixedly connected in the mounting hole 231, a connecting ball 233 is fixedly arranged at one end of the pressure spring 232, a mounting plate 234 is fixedly arranged on an end surface of the protrusion, a spherical groove is arranged on one end surface of the mounting plate 234, which is close to the connecting ball, one third of the connecting ball 233 is positioned outside the protrusion and clamped in the arc-shaped groove 223 after the mounting plate 234 is mounted, so that the connecting ball 233 can roll in the arc-shaped groove 223 during the downward movement of the pushing rod 23, and therefore, during the movement of the pushing rod 23, the phenomenon of blockage cannot occur, so that the push rod 23 can move downwards at the first time under the condition of electric leakage, the locking mechanism 3 can lock the sliding door of the electric cabinet, and the danger of electric shock caused by the fact that a worker opens the sliding door of the electric cabinet under the condition of electric leakage of the electric cabinet is avoided; and the connecting ball 233 is elastically connected by the compression spring 232, so that the push rod 23 is conveniently installed in the fixed seat 22 during the installation process.
As shown in fig. 1-2 and 11, the interlocking mechanism 4 includes a sliding seat 41, the sliding seat 41 is fixedly disposed on an inner side wall of the outer housing 1 and located at one side of the locking mechanism 3, the sliding seat 41 is provided with a slide way along a horizontal direction, and a square hole 411 is provided at a bottom of the slide way; the bolt 42 is slidably arranged in the slide way, a part of the bolt 42 opposite to the square hole 411 is fixedly provided with a rack 421, and one end of the bolt 42, which is far away from the locking mechanism 3, extends to the outer side of the outer shell 1 through a connecting hole 103 on the outer shell 1 to lock the sliding door of the electric cabinet; one end of the rotating rod 44 extends to the outside of the outer shell 1 through a through hole on the outer shell 1, and is fixedly connected with a rotating handle of a sliding door of the electric cabinet; and a third gear 43, wherein the third gear 43 is fixedly arranged at one end of the rotating rod 44 and is meshed with the rack 421. The third gear 43 is driven to rotate by rotating the rotating handle of the electric cabinet sliding door, so that the rack 421 moves, and the bolt 42 locks and/or unlocks the electric cabinet sliding door.
As shown in fig. 3 and fig. 9-10, the locking mechanism 3 includes a first connecting member 31, the first connecting member 31 is rotatably connected to the inner sidewall of the outer housing 1, a driving plate 311 is fixedly disposed on the first connecting member 31, the driving plate 311 is located right below the electromagnetic driving mechanism 2, a first locking rod 312 is fixedly disposed on the first connecting member 31 in a direction close to the interlocking mechanism 4, a first connecting shaft 314 is fixedly disposed on an end surface of the first connecting member 31, and a first gear 313 is fixedly disposed at the other end of the first connecting shaft 314; the second connecting piece 32 is rotatably connected to the inner side wall of the outer shell 1 through a shaft sleeve 321, the second connecting piece 32 is annular, a gear ring 323 is arranged in the second connecting piece 32, and a second locking rod 322 is fixedly arranged on one side, close to the interlocking mechanism 4, of the second connecting piece 32; the second gear 33 is fixedly arranged on the inner side wall of the outer shell 1 through a second connecting shaft 34, and the second gear 33 is positioned inside the second connecting piece 32; the first gear 313 is arranged coaxially with the second connecting piece 32, and the first gear 313 is positioned inside the second connecting piece 32; the second gear 33 is respectively meshed with the first gear 313 and the gear ring 323; an arc-shaped groove is formed at the joint of the driving plate 311 and the second connecting piece 32. In the course of the work, in-process when catch bar 23 downstream, drive plate 311 can touch, thereby make first connecting piece 31 clockwise (as shown in fig. 9) rotate certain angle, thereby drive first locking lever 312 and rotate certain angle, locking lever 312 just in time supports bolt 42 this moment, thereby realized with the complete locking of electric cabinet sliding door, this moment, the staff can't rotate the rotation handle of electric cabinet sliding door, thereby realized appearing under the condition of electric leakage at the electric cabinet, the staff can't open the electric cabinet sliding door, can't maintain the electric cabinet, the danger of the unexpected electric shock of staff has been avoided, only after cutting off the power supply completely with the machine, just can open the electric cabinet, maintain.
Further, when the electric cabinet sliding door is under the unlocked condition, when the electric leakage condition appears, first connecting piece 31 can drive first connecting shaft 314 to rotate when rotating, first connecting shaft 314 drives first gear 313 to rotate, first gear 313 drives second gear 33 to rotate, second gear 33 drives ring gear 323 to rotate, thereby make second connecting piece 32 do anticlockwise rotation (as shown in fig. 9), second connecting piece 32 drives second locking pole 322 to rotate, second locking pole 322 is at the rotation in-process, can move bolt 42 to the direction of keeping away from locking mechanism 3, thereby lock the electric cabinet sliding door, then lock the electric cabinet sliding door completely under the effect of first locking pole 312.
As shown in fig. 9, the second locking rod 322 is in a horizontal state, an included angle between the first locking rod 312 and the second locking rod 322 is 60 °, and the first locking rod 312 is located right below the second locking rod 322. Therefore, the second locking rod 322 always moves to the position of the bolt 42 first, so that the bolt 42 can be moved by the second locking rod 322 in the direction away from the locking mechanism 3, and the electric cabinet sliding door is locked.
The working principle of the invention is as follows:
when the electric cabinet has electric leakage, the current transformer can transmit current to the connector 211, so that the electromagnet 212 is electrified, magnetic force is generated when the electromagnet 212 is electrified, (the magnetic pole of the electromagnet 212 is opposite to the magnetic pole of the magnetic material on the push rod 23), and the push rod 23 moves downwards; when the push rod 23 moves downwards, the drive plate 311 is touched, so that the first connecting piece 31 rotates clockwise (as shown in fig. 9) by a certain angle, the first locking rod 312 is driven to rotate by a certain angle, and the locking rod 312 just abuts against the bolt 42, so that the electric cabinet sliding door is completely locked; when the electric cabinet sliding door is under the unlocked condition, when the electric leakage condition appears, first connecting piece 31 is when rotating, can drive first connecting axle 314 and rotate, first connecting axle 314 drives first gear 313 and rotates, first gear 313 drives second gear 33 and rotates, second gear 33 drives ring gear 323 and rotates, thereby make second connecting piece 32 do anticlockwise rotation (as shown in fig. 9), second connecting piece 32 drives second locking pole 322 and rotates, second locking pole 322 is at the rotation in-process, can move bolt 42 to the direction of keeping away from locking mechanism 3, thereby lock the electric cabinet sliding door, then lock the electric cabinet sliding door completely under the effect of first locking pole 312.
The parts of the invention not described in detail are prior art and are not described in detail.
Claims (6)
1. An earth leakage protection device for an electric cabinet is characterized in that: the shell comprises a shell body 1, wherein a mounting block (101) is arranged on one side surface outside the shell body 1, a waist-shaped hole (102) is formed in the mounting block (101), and a connecting lug seat (104) is arranged inside the shell body (1);
the electromagnetic driving mechanism (2) is arranged at the upper end of one side in the outer shell (1), and the electromagnetic driving mechanism (2) can lock a sliding door of the electric cabinet under the condition that the electric cabinet leaks electricity;
the locking mechanism (3) is arranged inside the outer shell (1) and is positioned below the electromagnetic driving mechanism (2);
the locking mechanism comprises an interlocking mechanism (4), wherein the connecting mechanism (4) is arranged in the outer shell (1) and located on one side of the locking mechanism (3), and the interlocking mechanism (4) can lock the sliding door of the electric cabinet under the action of the locking mechanism (3).
2. An earth leakage protection device for an electric cabinet according to claim 1, characterized in that: the electromagnetic driving mechanism (2) comprises a fixed seat (22), the outer side wall of the fixed seat (22) is provided with a connecting lug (221), the fixed seat (22) is fixedly arranged on the connecting lug seat (104) through the connecting lug (221), sliding grooves (222) are symmetrically formed in two sides of the inner side wall of the fixed seat (22), and one side wall of each sliding groove (222) is provided with an arc-shaped groove (223); the driving part (21) is arranged at the upper end of the fixed seat (22), an electromagnet (212) is fixedly arranged on one side, close to the inside of the fixed seat (22), of the driving part (21), a connector (211) is fixedly arranged on one side, located outside the fixed seat (22), of the driving part (21), the connector (211) is electrically connected with the electromagnet (212), and the connector (211) is electrically connected with a current transformer in the electric cabinet; the push rod (23), the push rod (23) with fixing base (22) sliding connection, the push rod (23) be close to the one end of electro-magnet (212) is provided with magnetic material, when electro-magnet (212) circular telegram, can with push rod (23) promotes downwards.
3. An earth leakage protection device for an electric cabinet according to claim 2, characterized in that: catch bar (23) are cylindrically, catch bar (23) are close to the one end symmetry of electro-magnet (212) is provided with the lug, the lug joint is in spout (222), the lug with be provided with mounting hole (231) on the side that spout (222) pasted mutually, fixedly connected with pressure spring (232) in mounting hole (231), the fixed connection ball (233) that is provided with in one end of pressure spring (232), fixed mounting panel (234) that is provided with on the terminal surface of lug, mounting panel (234) are close to connect and have seted up spherical groove on the terminal surface of ball, mounting panel (234) make after the installation is accomplished the third of connecting ball (233) is located the outside of lug, and the joint is in arc wall (223).
4. An earth leakage protection device for an electric cabinet according to claim 1, characterized in that: the locking mechanism (3) comprises a first connecting piece (31), the first connecting piece (31) is rotatably connected to the inner side wall of the outer shell (1), a driving plate (311) is fixedly arranged on the first connecting piece (31), the driving plate (311) is positioned right below the electromagnetic driving mechanism (2), a first locking rod (312) is fixedly arranged on the first connecting piece (31) in the direction close to the interlocking mechanism (4), a first connecting shaft (314) is fixedly arranged on the end face of the first connecting piece (31), and a first gear (313) is fixedly arranged at the other end of the first connecting shaft (314); the second connecting piece (32) is rotatably connected to the inner side wall of the outer shell (1) through a shaft sleeve (321), the second connecting piece (32) is annular, a gear ring (323) is arranged in the second connecting piece (32), and a second locking rod (322) is fixedly arranged on one side, close to the interlocking mechanism (4), of the second connecting piece (32); the second gear (33) is fixedly arranged on the inner side wall of the outer shell (1) through a second connecting shaft (34), and the second gear (33) is positioned inside the second connecting piece (32); the first gear (313) is arranged coaxially with the second connecting piece (32), and the first gear (313) is positioned inside the second connecting piece (32); the second gear (33) is respectively meshed with the first gear (313) and the gear ring (323); an arc-shaped groove is formed at the joint of the driving plate (311) and the second connecting piece (32).
5. An earth leakage protection device for an electric cabinet according to claim 4, characterized in that: second locking pole (322) are the horizontality, first locking pole (312) with the contained angle of second locking pole (322) is 60, just first locking pole (312) are located under second locking pole (322).
6. An earth leakage protection device for an electric cabinet according to claim 1, characterized in that: the interlocking mechanism (4) comprises a sliding seat (41), the sliding seat (41) is fixedly arranged on the inner side wall of the outer shell (1) and is positioned on one side of the locking mechanism (3), the sliding seat (41) is provided with a slide way along the horizontal direction, and the bottom of the slide way is provided with a square hole (411); the bolt (42) is arranged in the slide way in a sliding manner, a rack (421) is fixedly arranged on the part, opposite to the square hole (411), of the bolt (42), one end, far away from the locking mechanism (3), of the bolt (42) extends to the outer side of the outer shell (1) through a connecting hole (103) in the outer shell (1) so as to lock a sliding door of the electric cabinet; one end of the rotating rod (44) extends to the outside of the outer shell (1) through a through hole in the outer shell (1) and is fixedly connected with a rotating handle of a sliding door of the electric cabinet; and the third gear (43), the third gear (43) is fixedly arranged at one end of the rotating rod (44) and is meshed with the rack (421).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011159952.XA CN112332261A (en) | 2020-10-27 | 2020-10-27 | Electric leakage protection device for electric cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011159952.XA CN112332261A (en) | 2020-10-27 | 2020-10-27 | Electric leakage protection device for electric cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112332261A true CN112332261A (en) | 2021-02-05 |
Family
ID=74311028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011159952.XA Withdrawn CN112332261A (en) | 2020-10-27 | 2020-10-27 | Electric leakage protection device for electric cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112332261A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113421379A (en) * | 2021-06-16 | 2021-09-21 | 深圳市先行电气技术有限公司 | Multifunctional intelligent electric meter |
-
2020
- 2020-10-27 CN CN202011159952.XA patent/CN112332261A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113421379A (en) * | 2021-06-16 | 2021-09-21 | 深圳市先行电气技术有限公司 | Multifunctional intelligent electric meter |
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| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210205 |
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| WW01 | Invention patent application withdrawn after publication |