CN213636504U - Waterproof leakage protection plug - Google Patents
Waterproof leakage protection plug Download PDFInfo
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- CN213636504U CN213636504U CN202022934773.0U CN202022934773U CN213636504U CN 213636504 U CN213636504 U CN 213636504U CN 202022934773 U CN202022934773 U CN 202022934773U CN 213636504 U CN213636504 U CN 213636504U
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Abstract
The utility model discloses a waterproof leakage protection plug, which comprises a main body, wherein a power input pin and a power output line are arranged on the main body, and a static contact and a moving contact are arranged in the main body; the detector is arranged in the main body and is provided with a through hole, one end of the static contact is connected with the power input pin, the other end of the static contact can be contacted with or separated from one end of the movable contact, the other end of the movable contact penetrates through the through hole and then is connected with a power output line, and the detector can detect whether leakage current passes through the movable contact; the moving contact can be directly used for replacing a detection line for testing through the structure; the space for penetrating the detection line can be saved, so that the volume can be smaller; the time and labor cost of the welding detection line are saved.
Description
Technical Field
The utility model relates to a plug field, in particular to waterproof earth leakage protection plug.
Background
The earth leakage protection plug has the earth leakage protection function, has the higher advantage of security, and current earth leakage protection plug all has a detection line usually, passes the detection line behind the detector and is connected with the power input foot, can detect whether electric leakage, but the mode that adopts the detection line has following shortcoming: a detection line is additionally arranged, and the detection line needs to penetrate through the detector, so that the assembly is difficult, the occupied space is also occupied, and the miniaturization of the leakage protection plug is not facilitated.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a waterproof earth leakage protection plug.
The utility model discloses a technical scheme that its technical problem was solved to an embodiment adopted is: a water-resistant earth leakage protection plug comprising:
the main body is provided with a power input pin and a power output line, and a static contact and a moving contact are arranged in the main body;
the detector is arranged in the main body and is provided with a through hole, one end of the static contact is connected with the power input pin, the other end of the static contact can be contacted with or separated from one end of the moving contact, the other end of the moving contact penetrates through the through hole and then is connected with a power output line, and the detector can detect whether leakage current passes through the moving contact.
Furthermore, a waterproof earth leakage protection plug still includes control panel and trip gear of setting in the main part, and the control panel is connected with the detector and can come control trip gear according to the signal that the detector transmitted in order to realize static contact and moving contact separation or contact.
Further, the trip device includes:
a reset key arranged on the main body;
one end of the reset rod is abutted against the reset key, and a convex part is arranged on the reset rod;
one end of the reset spring is abutted with the other end of the reset rod, and the other end of the reset spring is abutted with a connecting plate for fixing the power supply input pin;
the moving contact compression bar is provided with a concave part matched with the convex part, and one end of the moving contact compression bar can be abutted against the moving contact;
the control board controls the moving contact pressure rod to move downwards through the electromagnetic valve, so that the moving contact pressure rod is separated from the moving contact, and the moving contact is separated from the static contact under the action of gravity; and the reset key is pressed to enable the convex part to extend into the concave part, and the movable contact pressure rod is driven to abut against the movable contact under the action of the reset spring so as to drive the movable contact to be contacted with the static contact.
Furthermore, the movable contact pressure lever comprises a vertical rod and a cross rod, one end of the vertical rod is connected with the electromagnetic valve, the other end of the vertical rod is connected with the middle section of the cross rod, and two ends of the cross rod extend to the lower end of the movable contact.
Furthermore, the power input pin comprises a live wire, a zero line and a first ground wire, the fixed contact comprises a live wire fixed contact with one end connected with the live wire and a zero line fixed contact with one end connected with the zero line, the movable contact comprises a live wire movable contact with one end capable of being connected with the other end of the live wire fixed contact and a zero line movable contact with one end capable of being connected with the other end of the zero line fixed contact, and the power output line comprises a live wire output line connected with the other end of the live wire movable contact, a zero line output line connected with the other end of the zero line movable contact and a second ground wire connected with the first ground.
Further, a first waterproof ring is arranged between the main body and the power output line.
Furthermore, a waterproof groove or a waterproof convex part is arranged on the power output line, a waterproof convex part or a waterproof groove is arranged on the inner wall of the first waterproof ring, and the waterproof convex part extends into the waterproof groove.
Furthermore, a detection key connected with the control panel is arranged on the main body.
Further, a waterproof earth leakage protection plug still includes the waterproof circle of second that sets up between main part and reset button and detection button.
Furthermore, a groove for pressing the reset key and the detection key is arranged on the second waterproof ring.
The utility model has the advantages that: a waterproof leakage protection plug comprises a main body, a power input pin and a power output wire are arranged on the main body, and a static contact and a moving contact are arranged in the main body; the detector is arranged in the main body and is provided with a through hole, one end of the static contact is connected with the power input pin, the other end of the static contact can be contacted with or separated from one end of the movable contact, the other end of the movable contact penetrates through the through hole and then is connected with a power output line, and the detector can detect whether leakage current passes through the movable contact; the moving contact can be directly used for replacing a detection line for testing through the structure; the space for penetrating the detection line can be saved, so that the volume can be smaller; the time and labor cost of the welding detection line are saved.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural view of a waterproof electric leakage protection plug;
FIG. 2 is an exploded view of a waterproof creepage protecting plug;
FIG. 3 is an exploded view of a first portion of a waterproof creepage protecting plug;
FIG. 4 is a schematic view of a part of a waterproof earth leakage protection plug;
fig. 5 is an exploded view of a second part of a waterproof earth-leakage protection plug.
Detailed Description
This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.
In the description of the present invention, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as excluding the number, and the terms greater than, less than, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise explicitly defined, the terms "set," "mounted," "connected," and the like are to be understood in a broad sense, and may be directly connected or indirectly connected through an intermediate medium, for example; can be fixedly connected, can also be detachably connected and can also be integrally formed; may be a mechanical connection; either as communication within the two elements or as an interactive relationship of the two elements. The technical skill in the art can reasonably determine the specific meaning of the above words in the present invention by combining the specific contents of the technical solution.
Referring to fig. 1 to 5, a waterproof earth leakage protection plug includes:
a main body 10, on which a power input pin 20 and a power output line 30 are arranged, and in which a static contact 41 and a movable contact 42 are arranged;
the detector 50 is disposed in the main body 10, and has a through hole 51 therein, one end of the static contact 41 is connected to the power input pin 20, the other end of the static contact 41 is capable of contacting or separating with one end of the movable contact 42, the other end of the movable contact 42 passes through the through hole 51 and then is connected to the power output line 30, and the detector 50 can detect whether a leakage current passes through the movable contact 42.
In the utility model, the moving contact 42 is directly used to replace the detection line for testing; the space for penetrating the detection line can be saved, so that the volume can be smaller; the time and the cost of labor of the welding detection line are saved, the detection line is soft, the detector 50 cannot be easily penetrated, meanwhile, the detection line has the problem of difficulty in welding, the welding time and the labor cost are greatly increased, the tail section of the moving contact 42 is a metal arm, the through hole 51 in the detector 50 can be quickly penetrated, and meanwhile, the welding with a power output line is also convenient.
The waterproof leakage protection plug further comprises a control board 60 and a tripping device which are arranged in the main body 10, wherein the control board 60 is connected with the detector 50 and can control the tripping device according to signals transmitted by the detector 50 so as to realize the separation or contact of the fixed contact 41 and the movable contact 42.
The trip device comprises:
a reset button 71 provided on the main body 10;
a reset lever 72 having one end abutting against the reset button 71 and a convex portion provided thereon;
a return spring 73, one end of which abuts against the other end of the return lever 72, and the other end of which abuts against a connecting plate for fixing the power input pin 20;
a movable contact pressure lever 74 provided with a concave portion adapted to the convex portion, one end of which is capable of abutting against the movable contact 42;
the electromagnetic valve 75 is respectively connected with the other end of the movable contact pressure lever 74 and the control board 60, and the control board 60 controls the movable contact pressure lever 74 to move downwards through the electromagnetic valve 75, so that the movable contact pressure lever 74 is separated from the movable contact 42, and the movable contact 42 is separated from the fixed contact 41 under the action of gravity; the reset button 71 is pressed to make the convex portion extend into the concave portion, and the movable contact pressing rod 74 is driven to abut against the movable contact 42 under the action of the reset spring 73, so as to drive the movable contact 42 to contact with the fixed contact 41.
When the leakage protection plug is used, if the detector 50 detects leakage, a signal is fed back to the control board 60, the control board 60 controls the action of the electromagnetic valve 75, a coil of the electromagnetic valve 75 is electrified to drive an iron core to act, the other end of the movable contact pressure lever 74 is attracted to act, the movable contact pressure lever 74 moves downwards and is separated from the movable contact 42, the movable contact 42 is not supported any more, the movable contact 42 is separated from the static contact 41 under the action of gravity, and the leakage protection plug is powered off; when the reset is needed, the reset key 71 is pressed to drive the reset rod 72 to move downwards, the convex part on the reset rod 72 extends into the concave part on the movable contact pressure rod 74, and the movable contact pressure rod 74 is driven to move upwards under the action of the reset spring 73, so that the movable contact pressure rod 74 abuts against the movable contact 42 and supports the movable contact 42, the movable contact 42 is in contact with the static contact 41, and the leakage protection plug is kept in a closed circuit state; in addition, the structure of the tripping device also has the effect of saving space, and is favorable for the miniaturization of the waterproof leakage plug.
The movable contact pressure lever 74 comprises a vertical rod 741 and a cross rod 742, one end of the vertical rod 741 is connected with the solenoid valve 75, the other end of the vertical rod 741 is connected with the middle section of the cross rod 742, and two ends of the cross rod 742 extend to the lower end of the movable contact 42; preferably, the fixed contact 41 is located above, the movable contact 42 is located below the fixed contact 42, the movable contact 42 is divided into a zero line movable contact and a live line movable contact, and two ends of the cross bar 742 respectively extend to the lower portions of the zero line movable contact and the live line movable contact, so that the zero line movable contact and the live line movable contact can be supported.
The power input pin 20 includes a live wire, a zero line and a first ground wire, the fixed contact 41 includes a live wire fixed contact having one end connected to the live wire and a zero line fixed contact having one end connected to the zero line, the movable contact 42 includes a live wire movable contact having one end connectable to the other end of the live wire fixed contact and a zero line movable contact having one end connectable to the other end of the zero line fixed contact, and the power output line 30 includes a live wire output line connected to the other end of the live wire movable contact, a zero line output line connected to the other end of the zero line movable contact, and a second ground wire connected to the first ground wire.
A first waterproof ring 80 is provided between the main body 10 and the power output line 30.
The power output line 30 is provided with a waterproof groove 91 or a waterproof convex portion 92, the inner wall of the first waterproof ring 80 is provided with a waterproof convex portion 92 or a waterproof groove 91, and the waterproof convex portion 92 extends into the waterproof groove 91.
The main body 10 is provided with a detection button 11 connected to the control board 60.
The waterproof leakage protection plug also comprises a second waterproof ring 12 arranged between the main body 10 and the reset key 71 and the detection key 11; further, the second waterproof ring 12 is directly pressed on the second waterproof ring 12 through the waterproof pressing sheet 14 and then fixed through a screw locking mode.
The second waterproof ring 12 is provided with a groove 13 for pressing the reset key 71 and the detection key 11; through set up recess 13 on second waterproof circle 12, can let reset button 71 press in recess 13, play the effect of preventing rolling over, make second waterproof circle 12 can not damaged after pressing many times.
Of course, the present invention is not limited to the above-mentioned embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications and substitutions are included in the scope defined by the claims of the present application.
Claims (10)
1. A waterproof earth leakage protection plug, comprising:
the power supply device comprises a main body (10), a power supply input pin (20) and a power supply output wire (30) are arranged on the main body, and a static contact (41) and a movable contact (42) are arranged in the main body;
the detector (50) is arranged in the main body (10) and is provided with a through hole (51) inside, one end of the static contact (41) is connected with the power input pin (20), the other end of the static contact (41) can be mutually contacted with or separated from one end of the movable contact (42), the other end of the movable contact (42) penetrates through the through hole (51) and then is connected with the power output line (30), and the detector (50) can detect whether leakage current passes through the movable contact (42).
2. A water-proof earth leakage protection plug according to claim 1, characterized in that: the device also comprises a control board (60) and a tripping device which are arranged in the main body (10), wherein the control board (60) is connected with the detector (50) and can control the tripping device according to signals transmitted by the detector (50) so as to realize the separation or contact of the static contact (41) and the movable contact (42).
3. A water and electricity leakage proof plug according to claim 2, wherein said trip device comprises:
a reset key (71) provided on the main body (10);
a reset lever (72) having one end abutting against the reset button (71) and provided with a convex portion thereon;
a return spring (73) having one end abutting against the other end of the return lever (72) and the other end abutting against a connecting plate for fixing the power input pin (20);
a movable contact pressure lever (74) which is provided with a concave part matched with the convex part, and one end of the movable contact pressure lever can be abutted with the movable contact (42);
the electromagnetic valve (75) is respectively connected with the other end of the movable contact pressure lever (74) and the control board (60), and the control board (60) controls the movable contact pressure lever (74) to move downwards through the electromagnetic valve (75) to separate the movable contact pressure lever (74) from the movable contact (42) so as to separate the movable contact (42) from the static contact (41) under the action of gravity; and the reset key (71) is pressed to enable the convex part to extend into the concave part, and the movable contact pressure rod (74) is driven to abut against the movable contact (42) under the action of the reset spring (73), so that the movable contact (42) is driven to contact with the fixed contact (41).
4. A water-proof earth leakage protection plug according to claim 3, characterized in that: the movable contact pressure lever (74) comprises a vertical lever (741) and a cross lever (742), one end of the vertical lever (741) is connected with the electromagnetic valve (75), the other end of the vertical lever (741) is connected with the middle section of the cross lever (742), and two ends of the cross lever (742) extend to the lower end of the movable contact (42).
5. A water-proof earth leakage protection plug according to claim 1, characterized in that: the power input pin (20) comprises a live wire, a zero line and a first ground wire, the static contact (41) comprises a live wire static contact with one end connected with the live wire and a zero line static contact with one end connected with the zero line, the movable contact (42) comprises a live wire movable contact with one end connected with the other end of the live wire static contact and a zero line movable contact with one end connected with the other end of the zero line static contact, and the power output line (30) comprises a live wire output line connected with the other end of the live wire movable contact, a zero line output line connected with the other end of the zero line movable contact and a second ground wire connected with the first ground wire.
6. A water-proof earth leakage protection plug according to claim 1, characterized in that: a first waterproof ring (80) is arranged between the main body (10) and the power output line (30).
7. The waterproof creepage protecting plug of claim 6, wherein: be provided with waterproof slot (91) or waterproof convex part (92) on power output line (30), be provided with waterproof convex part (92) or waterproof slot (91) on the inner wall of first waterproof circle (80), waterproof convex part (92) stretch into in waterproof slot (91).
8. A water-proof earth leakage protection plug according to claim 2, characterized in that: the main body (10) is provided with a detection key (11) connected with the control panel (60).
9. A water and electricity leakage proof plug according to claim 8, wherein: the device also comprises a second waterproof ring (12) arranged between the main body (10) and the reset key (71) and the detection key (11).
10. A water leakage proof plug according to claim 9, wherein: and a groove (13) for pressing the reset key (71) and the detection key (11) is arranged on the second waterproof ring (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022934773.0U CN213636504U (en) | 2020-12-09 | 2020-12-09 | Waterproof leakage protection plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022934773.0U CN213636504U (en) | 2020-12-09 | 2020-12-09 | Waterproof leakage protection plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213636504U true CN213636504U (en) | 2021-07-06 |
Family
ID=76638965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022934773.0U Active CN213636504U (en) | 2020-12-09 | 2020-12-09 | Waterproof leakage protection plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213636504U (en) |
-
2020
- 2020-12-09 CN CN202022934773.0U patent/CN213636504U/en active Active
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