CN217405841U

CN217405841U - Anti-creeping converter for soaking water

Info

Publication number: CN217405841U
Application number: CN202220613305.XU
Authority: CN
Inventors: 陈永忠
Original assignee: Fujian Meyeo Technology Co ltd
Current assignee: Fujian Meyeo Technology Co ltd
Priority date: 2022-03-21
Filing date: 2022-03-21
Publication date: 2022-09-09
Anticipated expiration: 2032-03-21

Abstract

The utility model discloses a submergence anticreep converter, which comprises a shell and a bottom plate which are buckled together, wherein the shell is provided with a two-pole jack for a two-pole plug to insert and/or a three-pole jack for a three-pole plug to insert; be equipped with the support in the cavity that shell and bottom plate lock formed, the support internal fixation has the metal current conducting plate, a support terminal surface is fixed with the baffle, another terminal surface of support is fixed with control circuit board, last USB jack and the on & off switch of being equipped with of control circuit board, be equipped with the constant head tank that is used for fixed main PCB board on the baffle, be equipped with the contact pin on the main PCB board, be equipped with the contact pin jack that supplies the contact pin to pass on the bottom plate, still be equipped with the bolt on the support, bolt one end is connected with main PCB board, the other end is connected with the metal current conducting plate, still be equipped with anticreep circuit on the main PCB board, the utility model discloses when the converter intakes, when the converter still can supply power for the load, can not take place the danger of power consumption by the electric shock during human direct water contact with the converter to can not cause serious electric shock injury to the human body.

Description

Anti-creeping converter for soaking water

Technical Field

The utility model relates to an electrical equipment, concretely relates to anticreep converter soaks.

Background

The power socket provides convenience for production and life of people, more and more devices depend on the power socket, the increase of the power socket seems to never keep pace with the increase of the electrical devices, and the socket is not enough and seems to be a normal state. To address this problem, converters have been designed to increase the number of power jacks that can be used.

The existing converter has a single function, when the converter is installed in a kitchen, a toilet or a place close to the ground, water is easily splashed into the jack when a user washes vegetables, bathes or drags the floor, so that electricity leakage and even safety accidents are caused, and if short-circuit protection measures of a power supply place are insufficient, the line of the power supply place is overloaded and heated, and even safety accidents such as short-circuit fire and the like are caused.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, the utility model aims to provide a simple structure, safe and reliable's of use anticreep converter soaks.

The utility model discloses a following technical scheme realizes: a water immersion anti-creeping converter comprises a shell and a bottom plate which are buckled together, wherein the shell is provided with a two-pole jack for a two-pole plug to insert and/or a three-pole jack for a three-pole plug to insert; a bracket is arranged in a cavity formed by buckling the shell and the bottom plate, a metal conductive plate is fixed in the bracket, and the position of the metal conductive plate is correspondingly matched with the position of the two-pole jack and/or the three-pole jack; a partition plate is fixed on one end face of the support, a control circuit board is fixed on the other end face of the support, a USB jack and an on-off key are arranged on the control circuit board, a positioning groove used for fixing a main PCB is formed in the partition plate, the main PCB is arranged on the positioning groove, a contact pin is arranged on the main PCB, a contact pin jack for the contact pin to penetrate through is formed in the bottom plate, a bolt is further arranged on the support, one end of the bolt is connected with the main PCB, the other end of the bolt is connected with a metal current conducting plate, and an anti-creeping circuit is further arranged on the main PCB.

Preferably, anticreep circuit includes live wire input end L1, live wire output end L2, zero line input end N1, zero line output end N2, ground wire input end G1, ground wire output end G2, paster diode D1, pilot lamp LED1, pilot lamp LED2, first resistance R1 and second resistance R2, paster diode D1 one end is connected with live wire input end L1, live wire output end L2 and live wire output end L3 electricity respectively, paster diode D1 other end has first branch road and second branch road separately, first branch road is through first resistance R1, pilot lamp LED1 and ground wire input end G1, the second branch road is connected with ground wire output end G2 electricity through second resistance R2, pilot lamp LED2 is connected with ground wire output end G2 electricity, zero line input end N1, zero line output end N2, zero line output end N3 constitutes the electric leakage loop with the electric connection between pilot lamp LED 2's the zero line input end and the ground wire G2 electricity respectively.

Preferably, the contact pin includes L utmost point contact pin, N utmost point contact pin, ground pole contact pin, and L utmost point contact pin is connected with live wire input L1 electricity, and N utmost point contact pin is connected with zero line input N1 electricity, and ground pole contact pin is connected with ground wire input G1 electricity.

Preferably, the metal current conducting plate includes L utmost point current conducting plate, N utmost point current conducting plate, earth's pole current conducting plate.

Preferably, the bolt includes L utmost point bolt, N utmost point bolt, ground utmost point bolt, and L utmost point bolt one end is connected with live wire output L2 electricity, and the L utmost point bolt other end is connected with L utmost point current conducting plate electricity, and N utmost point bolt one end is connected with zero line output N2 electricity, and the N utmost point bolt other end is connected with N utmost point current conducting plate electricity, and ground utmost point bolt one end is connected with ground wire output G2 electricity, and the ground utmost point bolt other end is connected with ground utmost point current conducting plate electricity.

Compared with the prior art, the utility model, following advantage and beneficial effect have: the utility model discloses be provided with main PCB board in the shell of converter, there is anticreep circuit on the main PCB board, when the converter intakes or when leaking electricity, the leakage current passes through from the ground wire, the ground wire forms the return circuit with the zero line again, just do not produce the potential difference between the zero line, therefore, the leakage current just can not follow the human body or pass through from the aquatic, when the converter still can supply power for the load, can not take place the danger of power consumption quilt electric shock when the converter contact of human direct and live wire or aquatic, thereby can not cause serious electric shock injury to the human body.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

Fig. 1 is an exploded view of the present invention;

fig. 2 is a schematic perspective view of the present invention;

FIG. 3 is a schematic circuit diagram of the anti-creeping device of the present invention;

wherein: the plug comprises a shell, a bottom plate, a base plate, a support, a partition plate, a control circuit board, a USB jack, a switch key, a positioning groove, a main PCB (printed circuit board), a pin jack and a plug, wherein the shell is 1, the base plate is 2, the two-pole jack is 3, the three-pole jack is 4, the support is 5, the partition plate is 6, the control circuit board is 7, the USB jack is 8, the switch key is 9, the positioning groove is 10, the main PCB is 11, the pin is 12, the pin jack is 13, and the plug is 14.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through an intermediary, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The converter of the embodiment includes, as shown in fig. 1, fig. 2 and fig. 3, a housing 1 and a bottom plate 2 which are fastened together, wherein the housing 1 is provided with a two-pole jack 3 for inserting a two-pole plug and/or a three-pole jack 4 for inserting a three-pole plug; a support 5 is arranged in a cavity formed by buckling the shell 1 and the bottom plate 2, a metal conductive plate is fixed in the support 5, the metal conductive plate comprises an L-pole conductive plate, an N-pole conductive plate and a ground-pole conductive plate, and the position of the metal conductive plate is correspondingly matched with the position of the two-pole jack 3 and/or the three-pole jack 4; a partition plate 6 is fixed on one end face of a support 5, a control circuit board 7 is fixed on the other end face of the support 5, a USB jack 8 and an on-off key 9 are arranged on the control circuit board 7, a positioning groove 10 for fixing a main PCB is arranged on the partition plate 6, a main PCB 11 is arranged on the positioning groove 10, a contact pin 12 is arranged on the main PCB 11, a contact pin jack 13 for the contact pin to pass through is arranged on the bottom plate 2, a plug pin 14 is further arranged on the support 5, one end of the plug pin 14 is connected with the main PCB 11, the other end of the plug pin 14 is connected with a metal conductive plate, and an anti-leakage circuit is further arranged on the main PCB 11; the anti-leakage circuit comprises a live wire input end L1, a live wire output end L2, a null wire input end N1, a null wire output end N2, a ground wire input end G1, a ground wire output end G2, a patch diode D1, an indicator light LED1, an indicator light LED2, a first resistor R1 and a second resistor R2, wherein one end of the patch diode D1 is electrically connected with the live wire input end L1, the live wire output end L2 and the live wire output end L3 respectively, the other end of the patch diode D1 is divided into a first branch and a second branch, the first branch passes through the first resistor R1, the indicator light LED1 and the ground wire input end G1, the second branch passes through the second resistor R2 and the indicator light LED2 and is electrically connected with the ground wire output end G2, and the null wire input end N1, the null wire output end N2 and the null wire output end N3 are electrically connected with the null wire and the ground wire output end 2 of the indicator light LED 39 2 respectively to form an electric leakage circuit.

The pins 12 include an L-pole pin electrically connected to the live input terminal L1, an N-pole pin electrically connected to the neutral input terminal N1, and a ground pin electrically connected to the ground input terminal G1.

Bolt 14 includes L utmost point bolt, N utmost point bolt, ground bolt, L utmost point bolt one end is connected with live wire output end L2 electricity, and L utmost point bolt other end is connected with L utmost point current conducting plate electricity, and N utmost point bolt one end is connected with zero line output end N2 electricity, and the N utmost point bolt other end is connected with N utmost point current conducting plate electricity, and ground bolt one end is connected with ground wire output G2 electricity, and the ground bolt other end is connected with ground current conducting plate electricity.

The utility model discloses the theory of operation: when the converter is used, a contact pin of the converter is inserted into a socket to get electricity, when water enters a two-pole jack 3 and/or a three-pole jack 4 of the converter, leakage current passes through a ground wire, the ground wire and a zero wire form a loop, the leakage current does not pass through the water, no potential difference is generated between zero wires, and no current is electrocuted when a hand touches the water in the converter, specifically, when the current in a live wire is 100A and the zero wire is 100A, the current circulates in a circuit, when the leakage current in the circuit is 30A, the current in the zero wire is 70A, the current in a live wire is 100A, if the zero wire and the ground wire do not form a loop, the potential difference occurs in the live wire, the water on the surface of the hand touch converter is electrocuted, otherwise, the leakage current of 30A still runs into a zero wire circuit, so that no voltage difference exists in the zero wire is ensured, the electric shock prevention effect can be achieved.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. An anti-creeping converter soaks, its characterized in that: the plug comprises a shell (1) and a bottom plate (2) which are buckled together, wherein a two-pole jack (3) for a two-pole plug to insert into and/or a three-pole jack (4) for a three-pole plug to insert into are arranged on the shell (1); a support (5) is arranged in a cavity formed by buckling the shell (1) and the bottom plate (2), a metal conductive plate is fixed in the support (5), and the position of the metal conductive plate is correspondingly matched with the position of the two-pole jack (3) and/or the three-pole jack (4); support (5) a terminal surface is fixed with baffle (6), and another terminal surface of support (5) is fixed with control circuit board (7), is equipped with USB jack (8) and on & off switch (9) on control circuit board (7), be equipped with constant head tank (10) that are used for fixed main PCB board on baffle (6), be equipped with main PCB board (11) on constant head tank (10), be equipped with contact pin (12) on main PCB board (11), be equipped with contact pin jack (13) that supply the contact pin to pass on bottom plate (2), still be equipped with bolt (14) on support (5), bolt (14) one end is connected with main PCB board (11), and the other end is connected with the metal current conducting plate, still be equipped with anticreep circuit on main PCB board (11).

2. An immersion anticreep converter as claimed in claim 1, wherein: the anti-creeping circuit comprises a live wire input end L1, a live wire output end L2, a null wire input end N1, a null wire output end N2, a ground wire input end G1, a ground wire output end G2, a patch diode D1, an indicator light LED1, an indicator light LED2, a first resistor R1 and a second resistor R2, wherein one end of the patch diode D1 is electrically connected with the live wire input end L1, the live wire output end L2 and the live wire output end L3 respectively, the other end of the patch diode D1 is divided into a first branch and a second branch, the first branch passes through the first resistor R1, the indicator light LED1 and the ground wire input end G1, the second branch passes through the second resistor R2 and the indicator light LED2 and is electrically connected with the ground wire output end G2, and the null wire input end N1, the null wire output end N2 and the null wire output end N3 are electrically connected with the null wire and the ground wire output end G2 of the indicator light LED2 respectively to form a creeping circuit.

3. An electric leakage preventing converter in water immersion according to claim 1, wherein: the contact pins (12) comprise L-pole contact pins, N-pole contact pins and ground contact pins, the L-pole contact pins are electrically connected with a live wire input end L1, the N-pole contact pins are electrically connected with a zero wire input end N1, and the ground contact pins are electrically connected with a ground wire input end G1.

4. An electric leakage preventing converter in water immersion according to claim 1, wherein: the metal conducting plate comprises an L-pole conducting plate, an N-pole conducting plate and a ground pole conducting plate.

5. An electric leakage preventing converter in water immersion according to claim 1, wherein: bolt (14) include L utmost point bolt, N utmost point bolt, ground utmost point bolt, and L utmost point bolt one end is connected with live wire output L2 electricity, and L utmost point bolt other end is connected with L utmost point current conducting plate electricity, and N utmost point bolt one end is connected with zero line output N2 electricity, and the N utmost point bolt other end is connected with N utmost point current conducting plate electricity, and ground utmost point bolt one end is connected with ground wire output G2 electricity, and the ground utmost point bolt other end is connected with ground utmost point current conducting plate electricity.