CN212676544U - Leakage protection plug - Google Patents
Leakage protection plug Download PDFInfo
- Publication number
- CN212676544U CN212676544U CN202021901435.0U CN202021901435U CN212676544U CN 212676544 U CN212676544 U CN 212676544U CN 202021901435 U CN202021901435 U CN 202021901435U CN 212676544 U CN212676544 U CN 212676544U
- Authority
- CN
- China
- Prior art keywords
- transmission line
- mutual
- inductor
- circuit board
- integrated circuit
- 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.)
- Active
Links
Images
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The utility model relates to a leakage protection plug, including plug body and connecting plug body and the power transmission line with the electric load, the plug body includes the casing, outstanding public joint that sets up in the casing, is used for function control's integrated circuit board, the mutual-inductor that response power transmission line current was used, the response output of mutual-inductor with integrated circuit board's input links to each other, public joint with integrated circuit board's function control foot links to each other, still includes two connecting wires, and the one end of every connecting wire welds respectively in integrated circuit board's blank area, the other end passes behind the mutual-inductor respectively with public joint links to each other, the power transmission line respectively with the one end welded fastening of connecting wire. The utility model discloses liberation the assembly restriction of mutual-inductor, be favorable to improving production efficiency.
Description
Technical Field
The utility model relates to an electrical apparatus field especially relates to an earth leakage protection plug.
Background
The plug is a very common household appliance connecting piece and is used for connecting a mains supply and an electric load, but with the improvement of people on safety and the appearance of a large number of high-power appliances, the current leakage and safety monitoring protection at the plug end are popular. At present, adopt hall element to respond to the detection at the plug end to the electric current of power transmission line, then combine integrated circuit board's processing control, realize the safety control to electrical apparatus and electric circuit, but because the tradition of response magnetic ring sets up the structure, need carry out relevant setting with its zero line and the live wire with the power transmission line, consequently need assemble the electric wire simultaneously with the plug body when the mill assembles just can satisfy the production demand, this also leads to the production process to receive the restriction of the electric wire supply of material, lead to the interrupt of production beat easily, influence production efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a leakage protection plug has liberated the assembly restriction of mutual-inductor, is favorable to improving production efficiency.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
the utility model provides a leakage protection plug, including plug body and connecting plug body and the power transmission line with the electric load, the plug body includes the casing, outstanding public joint that sets up in the casing, is used for function control's integrated circuit board, the mutual-inductor that response power transmission line current was used, the response output of mutual-inductor with the input of integrated circuit board links to each other, still includes two connecting wires, and the one end of every connecting wire welds respectively in the blank area of integrated circuit board, the other end passes behind the mutual-inductor respectively with the public joint links to each other, the power transmission line respectively with the one end welded fastening of connecting wire.
For the above technical solution, the applicant has further optimization measures.
Optionally, the connector comprises at least two conductive movable contact pieces, one end of each movable contact piece is electrically connected with the other end of the connecting wire, and the other end of each movable contact piece is connected with the male connector.
Optionally, the moving contact is made of copper.
Optionally, the power transmission line is a two-phase power transmission line or a three-phase power transmission line, and two connection lines or three connection lines are correspondingly disposed in the earth leakage protection plug.
Optionally, the overall shape of the transformer is a circular ring.
Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
the utility model discloses a leakage protection plug, the connecting wire through independent setting is fixed the magnetic ring earlier on integrated circuit board, then carries out welded fastening with the connecting wire solder joint on power transmission line and the integrated circuit board again, makes like this when production, the workman only need with the mutual-inductor assemble integrated circuit board on can, prevent that the production beat from receiving the restriction of power transmission line production or supply of material, the workman is also convenient for operate when carrying out the equipment of mutual-inductor moreover, improves production efficiency.
Drawings
Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
fig. 1 is a schematic view of an overall structure of an earth leakage protection plug according to an embodiment of the present invention;
fig. 2 is a schematic cross-sectional view of an earth leakage protection plug according to an embodiment of the present invention;
fig. 3 is a schematic cross-sectional view of an earth leakage protection plug according to another embodiment of the present invention.
Wherein the reference numerals are as follows:
1. the plug comprises a plug body, 11, a shell, 12, an integrated circuit board, 13, a mutual inductor, 14, a first terminal, 15, a second terminal, 16 and a third terminal;
2. a connecting wire;
3. a movable contact spring.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element 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. Furthermore, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, such as "first terminal", "second terminal", and "third terminal" hereinafter.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Fig. 1 is a schematic view of the overall structure of the earth leakage protection plug according to the present embodiment, in which the housing at the plug body is in an opened state to reflect the internal structure.
The present embodiment describes an earth leakage protection plug, as shown in fig. 1, comprising a plug body 1 and a power line connecting the plug body 1 and an electric load, wherein the plug body 1 comprises a housing 11, a male connector protruding from the housing 11, an integrated circuit board 12 for function control, and a mutual inductor 13 for inducing the current of the power line, and in the present embodiment, the plug is a three-phase plug, so that the male connector correspondingly has three male terminals, including a first terminal 14, a second terminal 15, and a third terminal 16 corresponding to the zero line, the live line, and the ground line of the power line, respectively.
The whole shape of the mutual inductor 13 is a circular ring, the induction output end of the mutual inductor 13 is connected with the input end of the integrated circuit board 12, the first terminal 14 and the second terminal 15 in the male connector are respectively connected with a movable contact, and the grounding wire is connected with the grounding wire in the power transmission line.
The earth leakage protection plug of this embodiment still includes two connecting wires 2, and the one end of every connecting wire 2 welds respectively in the blank region of integrated circuit board 12, and blank region here refers to the area of the non-functional component of integrated circuit board 12, and the welding of connecting wire 2 does not influence the normal work interface of integrated circuit board 12 here promptly, the connecting wire 2 other end pass behind the mutual-inductor 13 respectively with the male joint links to each other, and a connecting wire 2 links to each other with first terminal 14, and another connecting wire 2 then with second terminal 15 links to each other. And two welding spots of the connecting wire 2 on the integrated circuit board 12 are respectively welded and fixed with the zero line and the live line of the power transmission line correspondingly.
It can be understood that, the earth leakage protection plug of this application, 2 fix the magnetic ring on integrated circuit board 12 earlier through the connecting wire that sets up alone, then carry out welded fastening with 2 solder joints of connecting wire on power transmission line and the integrated circuit board 12, make like this when producing, the workman only need with mutual-inductor 13 assemble integrated circuit board 12 on can, prevent that the production beat from receiving the restriction of power transmission line production or supply of goods, the workman is also convenient for operate when carrying out the equipment of mutual-inductor 13 in addition, improve production efficiency.
In order to effectively and stably realize the connection between the connecting wire 2 and the terminal in the male connector, in another embodiment, the connector further comprises two conductive movable contact pieces 3, one end of one movable contact piece 3 is electrically connected with one connecting wire 2, and the other end is connected with the first terminal 14 of the male connector; one end of the other movable contact spring 3 is electrically connected with the other connecting wire 2, and the other end is connected with the second terminal 15 of the male connector to connect the connecting wire 2.
The movable contact piece 3 and the connecting wire 2 are electrically connected, and the movable contact piece 3 and the connecting wire 2 can be fixed on the integrated circuit board 12 together by soldering and welding, as shown in fig. 2; the connecting wire 2 can also be directly welded on the moving contact, and the other end of the connecting wire 2 is welded on the blank of the integrated circuit board 12 after passing through the transformer 13, as shown in fig. 3.
Preferably, the moving contact 3 is made of copper.
Optionally, the power transmission line is a two-phase power transmission line or a three-phase power transmission line, and two connection lines 2 or three connection lines 2 are correspondingly arranged in the earth leakage protection plug.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (5)
1. The utility model provides a leakage protection plug, includes plug body and connecting plug body and power transmission line with the electric load, the plug body includes the casing, outstanding public joint, the integrated circuit board that is used for function control, the mutual-inductor that response power transmission line current was used that set up in the casing, the response output of mutual-inductor with the input of integrated circuit board links to each other, its characterized in that still includes two connecting wires, and the one end of every connecting wire welds respectively in the blank area of integrated circuit board, and the other end passes behind the mutual-inductor respectively with the public joint links to each other, the power transmission line respectively with the one end welded fastening of connecting wire.
2. A residual current protection plug as claimed in claim 1, characterized by comprising at least two electrically conductive movable contacts, one end of which is electrically connected to the other end of said connection line, the other end of which is connected to said male contact.
3. A residual current protective plug as claimed in claim 2, characterized in that said movable contact is made of copper.
4. A residual current protection plug as claimed in claim 1, characterized in that said transmission line is a two-phase transmission line or a three-phase transmission line, two connection lines or three connection lines being provided in correspondence with said residual current protection plug.
5. A residual current protection plug as claimed in claim 1, characterized in that the overall shape of said mutual inductor is circular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021901435.0U CN212676544U (en) | 2020-09-03 | 2020-09-03 | Leakage protection plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021901435.0U CN212676544U (en) | 2020-09-03 | 2020-09-03 | Leakage protection plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212676544U true CN212676544U (en) | 2021-03-09 |
Family
ID=74823944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021901435.0U Active CN212676544U (en) | 2020-09-03 | 2020-09-03 | Leakage protection plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212676544U (en) |
-
2020
- 2020-09-03 CN CN202021901435.0U patent/CN212676544U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207442065U (en) | A kind of direct insertion water-proof connector of seven cores | |
| CN218039864U (en) | Female end electric connector of Type-C | |
| CN212676544U (en) | Leakage protection plug | |
| CN101944694B (en) | Power supply with replaceable plug | |
| CN111864485A (en) | Push-button plug | |
| CN204835091U (en) | Take power metering's supply socket | |
| CN201820969U (en) | Electrical connector device | |
| CN207068768U (en) | Static contact component containing zero sequence current mutual inductor | |
| CN216312092U (en) | Electric connector blanking terminal group and electric connector | |
| CN2603562Y (en) | Leakage circuit breaker with phase-loss protection function | |
| CN220753797U (en) | Opposite-plug male terminal structure and cooking utensil | |
| CN211670104U (en) | Wireless high-voltage transformer for power system | |
| CN206362843U (en) | The terminal seat assembly of single-phase electric energy meter | |
| CN206211160U (en) | Plug connector, electric connector for socket and electric coupler component | |
| CN208674453U (en) | A kind of power outlet of transverse direction clamp | |
| CN220021831U (en) | Novel integrated current sensor socket | |
| CN205159679U (en) | Electric connector | |
| CN108336622A (en) | One kind connecting confluence method based on Copper substrate jack | |
| CN219458245U (en) | Adapter connector | |
| CN216903429U (en) | Double homopolar integration wiring board | |
| CN219477158U (en) | Direct current charging socket | |
| KR102660371B1 (en) | Electric connector | |
| CN217882146U (en) | Plug-in pin type plug | |
| CN211088562U (en) | Power line | |
| CN212323376U (en) | Four-core connector and electric heating appliance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |