CN211928142U

CN211928142U - Leakage protector

Info

Publication number: CN211928142U
Application number: CN202020347111.0U
Authority: CN
Inventors: 李如东
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-18
Filing date: 2020-03-18
Publication date: 2020-11-13
Anticipated expiration: 2030-03-18

Abstract

The utility model relates to a circuit detection technical field particularly, relates to a leakage protector, and it includes the earth leakage protection subassembly, still includes the metal touch body, pilot lamp, current-limiting resistor and wire, and pilot lamp and current-limiting resistor pass through the wire and establish ties, and the live wire end of earth leakage protection subassembly is connected through the wire to this serial structure one end, and the metal touch body is connected through the wire to this serial structure other end. Adopt the utility model discloses, whether the user can detect earth-leakage protector's circuit at any time and install correctly, convenient and fast.

Description

Leakage protector

Technical Field

The utility model relates to a circuit detection technical field particularly, relates to a earth-leakage protector.

Background

The leakage protector, called leakage breaker for short, is mainly used for protecting the electric shock of human body with fatal danger when the equipment has leakage fault, has the functions of overload and short circuit protection, can be used for protecting the overload and short circuit of a circuit or a motor, and can also be used for the infrequent switching and starting of the circuit under normal conditions.

In life, when the leakage protector is installed, the live wire end of the leakage protector needs to be detected so as to ensure that the circuit is installed correctly; and the leakage protector which is already installed needs to detect whether the circuit is installed correctly. The general detection mode is that the fire wire end of the leakage protector is touched by the test pencil, and whether an indicator light of the test pencil is on or not is judged, and the indication light shows that the installation is correct. However, the test pencil is needed for each test, and the test pencil cannot be used for testing without the test pencil, so that the test is inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a leakage protector, whether the user can detect leakage protector's circuit at any time and install correctly, convenient and fast.

The embodiment of the utility model is realized like this:

the utility model provides a leakage protector, includes the earth leakage protection subassembly, still includes metal touch body, pilot lamp, current-limiting resistor and wire, and pilot lamp and current-limiting resistor pass through the wire and establish ties, and the live wire end of earth leakage protection subassembly is connected through the wire to this series structure one end, and the metal touch body is connected through the wire to this series structure other end.

Furthermore, in some embodiments of the present invention, the leakage protection component includes a sensor, a control circuit, and a tripping device, and the sensor, the control circuit, and the tripping device are electrically connected; the tripping device is used for inducing voltage by the sensor when electric leakage occurs, and cutting off the main circuit after the voltage is amplified by the control circuit.

Further, in some embodiments of the present invention, the metal touch body is made of brass.

Further, in some embodiments of the present invention, the indicator light is a neon tube.

Further, in some embodiments of the present invention, the leakage protection assembly includes a housing, and the metal touch body, the indicator light, the current limiting resistor and the wire are disposed in the housing.

Further, in some embodiments of the present invention, the housing is provided with an opening, the opening is provided with a cover plate, and the cover plate is movably connected to the housing.

Further, in some embodiments of the present invention, the cover plate is provided with a visible window and a through hole, the indicator light is disposed below the visible window, and the metal touch body is disposed at the through hole.

Further, in some embodiments of the present invention, the visual window is made of organic glass.

Further, in some embodiments of the present invention, the above-mentioned bolt is further included, the cover plate is provided with a second through hole, the nut is fixedly provided in the housing, and the bolt sequentially passes through the second through hole and the nut to fix the cover plate to the housing.

Further, in some embodiments of the present invention, a plurality of fixing clips are disposed in the housing, and the indicating lamp and the current-limiting resistor are fixed by the fixing clips.

The embodiment of the utility model provides an at least, have following advantage or beneficial effect:

the embodiment of the utility model provides a leakage protector, including the earth leakage protection subassembly, still include metal touch body, pilot lamp, current-limiting resistor and wire, pilot lamp and current-limiting resistor pass through the wire and establish ties, and the live wire end of earth leakage protection subassembly is connected through the wire to this serial structure one end, and the metal touch body is connected through the wire to this serial structure other end.

The user is after inserting earth-leakage protector access circuit, touches the metal touch body with the hand, because pilot lamp and current-limiting resistor pass through the wire and establish ties, this series structure one end passes through the live wire end that the wire connects the earth-leakage protection subassembly, and the metal touch body is connected through the wire to this series structure other end. If the wiring of the leakage protector is correct, the current flowing out of the live wire of the leakage protector sequentially flows through the series structure and the metal touch body, then a loop is formed by the arm of a user and the ground, and the indicator light is on; if earth-leakage protector wiring error, the pilot lamp is not bright, so the user can detect whether earth-leakage protector's circuit is installed correctly at any time, convenient and fast.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic view of an external structure of a housing according to an embodiment of the present invention;

FIG. 2 is a schematic view of the internal structure of the housing of FIG. 1;

FIG. 3 is a front view of the retaining clip;

fig. 4 is a circuit diagram of the present invention.

Icon: 1-metal touch body, 2-indicator light, 3-wire, 4-current limiting resistor, 5-shell, 6-cover plate, 7-visible window, 8-through hole, 9-bolt, 10-nut, 11-supporting cylinder, 12-fixing clamp and 13-circuit box.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, the description is only for convenience of description of the present invention and simplification, but the indication or suggestion that the device or element to be referred must have a specific position, be constructed and operated in a specific position, and therefore, the present invention should not be construed as being limited thereto. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not require that the components be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present invention, "a plurality" means at least 2.

In the description of the embodiments of the present invention, it should be further noted that unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be interpreted 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 intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Examples

Referring to fig. 1, fig. 2 and fig. 4, fig. 1 is a schematic view of an external structure of a housing 5 according to an embodiment of the present invention; fig. 2 is a schematic view showing an internal structure of the housing 5 in fig. 1; fig. 4 shows a circuit diagram of the present invention.

This embodiment provides a leakage protector, including the earth leakage protection subassembly, still include metal touch body 1, pilot lamp 2, current-limiting resistor 4 and wire 3, pilot lamp 2 and current-limiting resistor 4 are established ties through wire 3, and the live wire end of this series structure one end through wire 3 connection earth leakage protection subassembly, and the metal touch body 1 is passed through wire 3 to this series structure other end.

The user is after with earth-leakage protector access line, touches metal touch body 1 with the hand, because pilot lamp 2 and current-limiting resistor 4 establish ties through wire 3, this series structure one end passes through wire 3 and connects the live wire end of earth-leakage protection subassembly, and this series structure other end passes through wire 3 and connects metal touch body 1. If the wiring of the leakage protector is correct, the current flowing out of the live wire of the leakage protector sequentially flows through the series structure and the metal touch body 1, then a loop is formed by the arm of a user and the ground, and the indicator light 2 is on; if earth-leakage protector wiring error, pilot lamp 2 is not bright, so the user can detect whether earth-leakage protector's circuit is installed correctly at any time, convenient and fast.

The leakage protection component of this embodiment adopts various components in the existing leakage protector, various components and circuits in the leakage protector are arranged in the circuit box 13, and the outside of the circuit box 13 is provided with a live wire interface.

In some embodiments of the present invention, the leakage protection assembly includes a sensor, a control circuit, and a trip device, and the sensor, the control circuit, and the trip device are electrically connected; the tripping device is used for inducing voltage by the sensor when electric leakage occurs, and cutting off the main circuit after the voltage is amplified by the control circuit.

As shown in fig. 1 and 2, in some embodiments of the present invention, the metal touch body 1 is made of brass.

Since the metal touch body 1 needs to be touched by hand each time the live wire end of the earth leakage protector is detected, the metal touch body 1 needs to have wear resistance and conductivity. Brass has stronger wear resistance and electric conductive property, also has fine corrosion resistance, enables metal touch body 1 and keeps stronger performance after touching and long-time use several times, increases the utility model discloses a life.

As shown in fig. 2, in some embodiments of the present invention, the indicator light 2 is a neon tube.

The neon tube is a bulb tube of colorless inert gas (neon gas), can produce the very strong red light of transmission power under the excitation of electric field, when measuring, the neon tube glows red light to the access, otherwise the neon tube is not bright, facilitate users to observe.

As shown in fig. 1 and fig. 2, in some embodiments of the present invention, the leakage protector includes a housing 5, and the metal touch body 1, the indicator light 2, the current limiting resistor 4, and the wire 3 are disposed in the housing 5.

The utility model has the advantages that the casing 5 is arranged, the metal touch body 1, the indicator lamp 2, the current limiting resistor 4 and the lead 3 are arranged in the casing 5, so that the metal touch body is prevented from being exposed outdoors to influence the service life; but also can prevent other people from touching the wire 3, the indicator light 2 and the current-limiting resistor 4 by mistake and cause the electric shock danger in the shell 5, increase the utility model discloses a security.

As shown in fig. 1, in some embodiments of the present invention, the housing 5 is provided with an opening, the opening is provided with a cover plate 6, and the cover plate 6 is movably connected to the housing 5.

The utility model discloses a set up apron 6, convenient to use person opens apron 6, then observes and changes the pilot lamp 2 or the current-limiting resistor 4 of damage to pilot lamp 2 in the casing 5.

As shown in fig. 1 and fig. 2, in some embodiments of the present invention, the cover plate 6 is provided with a visible window 7 and a through hole 8, the indicator light 2 is disposed below the visible window 7, and the metal touch body 1 is disposed at the through hole 8.

The utility model discloses a set up visual window 7 and through-hole 8, visual window 7 below is located to pilot lamp 2, and through-hole 8 departments are located to metal touch body 1, when the user examines time measuring to earth-leakage protector's live wire end, the metal touch body 1 that through-hole 8 departments is located in the direct touching of user being convenient for, then observes pilot lamp 2 through visual window 7 and whether shines.

Since the metal touch body 1 is generally low in height, it is preferable that a support tube 11 is disposed at the bottom of the metal touch body 1, and the wire 3 passes through the support tube 11 and is connected to the metal touch body 1. The top of the metal touch body 1 of the embodiment is flush with the top of the through hole 8, so that a user can conveniently touch the metal touch body 1.

As shown in fig. 1, in some embodiments of the present invention, the visible window 7 is made of organic glass.

Organic glass surface is smooth, the proportion is little, and intensity is great, and is corrosion-resistant, moisture-proof, resistant shining, and insulating properties is good, can increase the utility model discloses a life, it is preferred, adopt colorless transparent organic glass.

As shown in fig. 1, in some embodiments of the present invention, the above-mentioned further includes a bolt 9, the cover plate 6 is provided with a second through hole, a nut 10 is fixedly provided in the housing 5, and the bolt 9 sequentially passes through the second through hole and the nut 10 to fix the cover plate 6 to the housing 5.

The utility model is provided with the bolt 9 and the nut 10, which is convenient for fixing the cover plate 6 on the shell 5 after the cover plate 6 is covered on the shell 5; when various elements in the shell 5 need to be checked or replaced, the cover plate 6 can be taken out only by rotating the bolt 9.

Referring to fig. 3, fig. 3 is a front view of the fixing clip 12.

As shown in fig. 2 and 3, in some embodiments of the present invention, a plurality of fixing clips 12 are disposed in the housing 5, and the indicator light 2 and the current limiting resistor 4 are clamped and fixed by the fixing clips 12.

The utility model discloses a set up fixation clamp 12, be convenient for pilot lamp 2 or current-limiting resistor 4 centre gripping at fixation clamp 12 to and be convenient for take out pilot lamp 2 or current-limiting resistor 4 from fixation clamp 12, promptly: the indicator lamp 2 or the current limiting resistor 4 is convenient to replace.

To sum up, the embodiment of the utility model provides a leakage protector, including the earth leakage protection subassembly, still include the metal touch body 1, pilot lamp 2, current limiting resistor 4 and wire 3, pilot lamp 2 and current limiting resistor 4 are established ties through wire 3, and the live wire end of wire 3 connection earth leakage protection subassembly is passed through to this series structure one end, and the metal touch body 1 is connected through wire 3 to this series structure other end.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A leakage protector comprises a leakage protection component, and is characterized in that: the electric leakage protection device is characterized by further comprising a metal touch body, an indicator lamp, a current-limiting resistor and a wire, wherein the indicator lamp and the current-limiting resistor are connected in series through the wire, one end of the series structure is connected with a live wire end of the electric leakage protection assembly through the wire, and the other end of the series structure is connected with the metal touch body through the wire.

2. A earth-leakage protector according to claim 1, characterized in that: the leakage protection assembly comprises a sensor, a control circuit and a tripping device, wherein the sensor, the control circuit and the tripping device are electrically connected; the tripping device is used for inducing voltage by the sensor when electric leakage occurs, and cutting off the main circuit after the voltage is amplified by the control circuit.

3. A earth-leakage protector according to claim 1, characterized in that: the metal touch body is made of brass.

4. A earth-leakage protector according to claim 1, characterized in that: the indicator light adopts a neon tube.

5. A earth-leakage protector according to claim 1, characterized in that: the leakage protection assembly comprises a shell, and the metal touch body, the indicator lamp, the current-limiting resistor and the lead are arranged in the shell.

6. A earth-leakage protector according to claim 5, characterized in that: the shell is provided with an opening, the opening is provided with a cover plate, and the cover plate is movably connected with the shell.

7. A earth-leakage protector according to claim 6, characterized in that: the cover plate is provided with a visible window and a through hole, the indicator lamp is arranged below the visible window, and the metal touch body is arranged at the through hole.

8. A earth-leakage protector according to claim 7, characterized in that: the visual window is made of organic glass.

9. A earth-leakage protector according to claim 6, characterized in that: the cover plate is provided with a second through hole, a nut is fixedly arranged in the shell, and the bolt sequentially penetrates through the second through hole and the nut to fix the cover plate to the shell.

10. A earth-leakage protector according to claim 6, characterized in that: the shell is internally provided with a plurality of fixing clamps, and the indicating lamp and the current-limiting resistor are clamped and fixed through the fixing clamps.