Immersion electric shock protection device

Abstract

The utility model relates to the technical field of circuit protection, and discloses a water immersion anti-electric shock protection device which comprises an upper shell, and a control circuit is arranged in a cavity of the upper shell. A lower case; and the wiring assembly comprises a first wiring unit and a second wiring unit, and the first wiring unit and the second wiring unit have the same structure and are respectively composed of a binding post, an insulating outer tube and a sealing sleeve. Wiring assemblies are arranged on the front side and the rear side of a lower shell, a first wiring unit and a second wiring unit are each composed of a binding post, an insulating outer pipe and a sealing sleeve, the insulating outer pipes are arranged to conduct insulation protection on the binding posts, and a first layer waterproof structure is formed between threaded lantern rings and the insulating outer pipes; and a second layer waterproof structure is formed between the cable connecting pipe and the threaded lantern ring, so that electric leakage caused by the fact that water makes contact with the binding post through a cable is avoided, the service life of equipment is further prolonged, and electricity utilization safety is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to circuit protection technical field especially relates to water-immersed electric shock protection device. BACKGROUND

[0002] The leakage circuit breaker is mainly used for leakage fault of equipment and protection of fatal dangerous personal electric shock, and has overload and short circuit protection functions, and can be used for protecting overload and short circuit of a line or a motor.

[0003] The prior art discloses a fixed clamping device of water-immersed electric shock protection device (publication number: CN213660317U), including slide rod, the front of slide rod is equipped with protection device body, both sides of protection device body are fixedly connected with transmission box, transmission box is equipped on the surface of slide rod, the front of transmission box is equipped with rotating disc, the inside of rotating disc is slidably connected with auxiliary mechanism, the back of rotating disc is fixedly connected with transmission rod, the back of transmission rod penetrates to the inside of transmission box and is movably connected with the back of transmission box inner wall through bearing.

[0004] The prior art is more convenient for installing the protection device, but when the water-immersed electric shock protection device works normally and prevents water in a humid environment or a rain environment, no improvement is made, and the power supply line of the traditional water-immersed electric shock protection device is exposed to the outside, which can easily cause electric shock and electric shock.

[0005] Therefore, the water-immersed electric shock protection device is provided by the person skilled in the art to solve the problems in the above background art. UTILITY MODEL CONTENTS

[0006] In view of the deficiencies of the prior art, the utility model provides a water-immersed electric shock protection device, which solves the problems in the above background art.

[0007] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0008] The water-immersed electric shock protection device comprises: an upper shell, a control circuit is arranged in the cavity of the upper shell, and an alarm lamp and a state indicating lamp are arranged at the top end of the upper shell; a lower shell, the lower shell is clamped with the upper shell, and a relay and a current sensor are arranged in the cavity of the lower shell; a wiring assembly is arranged on the front and rear sides of the lower shell, the wiring assembly comprises a first wiring unit and a second wiring unit, the first wiring unit and the second wiring unit are the same in structure and are composed of a wiring post, an insulating outer tube and a sealing sleeve; the sealing sleeve comprises a threaded sleeve ring and a cable connecting pipe, a first waterproof structure is formed between the threaded sleeve ring and the insulating outer tube, and a second waterproof structure is formed between the cable connecting pipe and the threaded sleeve ring.

[0009] According to the water immersion electric shock prevention device, the wire connecting posts are fixedly connected to the opposite side walls of the lower shell, the wire connecting posts are rectangular bodies, and wire holes are formed through the opposite side walls of the wire connecting posts.

[0010] According to the water immersion electric shock prevention device, the insulating outer pipes are arranged outside the wire connecting posts, one end of the wire connecting post is located in the cavity of the insulating outer pipe, and the insulating outer pipe is fixedly connected to the outer shell of the lower shell.

[0011] According to the water immersion electric shock prevention device, the top end of the lower shell is provided with a clamping groove, the upper shell is movably clamped with the lower shell through the clamping groove, and a sealing rubber strip is arranged on the inner wall of the clamping groove.

[0012] According to the water immersion electric shock prevention device, the outer wall of the insulating outer pipe is provided with a threaded groove, the inner wall of the threaded sleeve ring is provided with a threaded tooth, and the threaded sleeve ring is in a threaded connection relationship with the insulating outer pipe.

[0013] According to the water immersion electric shock prevention device, the threaded sleeve ring is fixedly connected to a limiting ring at one end close to the cable connecting pipe, the limiting ring is hollow, and the cable connecting pipe is movably penetrated through the limiting ring.

[0014] According to the water immersion electric shock prevention device, the cable connecting pipe is fixedly connected to a rubber waterproof sealing ring at one end in the cavity of the limiting ring, the rubber waterproof sealing ring is located in the cavity of the limiting ring, a limiting post is fixedly installed in the cavity of the limiting ring, and the cable connecting pipe is in the shape of a circular truncated cone.

[0015] The utility model provides a water immersion electric shock prevention device, which has the following beneficial effects:

[0016] (1) By setting the wire connecting assembly on the front and rear sides of the lower shell, the first wire connecting unit and the second wire connecting unit are composed of wire connecting posts, insulating outer pipes and sealing sleeves, the wire connecting posts are fixedly connected to the wire connecting posts, wire holes are formed through the opposite side walls of the wire connecting posts, one end of the cable is penetrated through the wire connecting posts, and the installation convenience is improved.

[0017] (2) By setting the wire connecting posts and the wire connecting posts fixedly connected, the wire holes are formed through the opposite side walls of the wire connecting posts, one end of the cable is penetrated through the wire connecting posts, and the installation convenience is improved.

[0018] (3) by the insulating outer tube wall surface opening has thread groove, the inner wall surface of threaded sleeve ring opening has thread tooth, threaded sleeve ring and insulating outer tube are in threaded connection relation, connection firm and waterproof, by setting threaded sleeve ring close to cable connecting pipe one end fixed connection limit ring, cable connecting pipe activity through limit ring, installation according to the diameter of wire rod is reduced to cable connecting pipe, then the wire rod is passed through cable connecting pipe, using heating gun is connected after cable connecting pipe and wire rod are heated, by setting rubber waterproof sealing ring between cable connecting pipe and limit ring, further improve the sealing property, limit pile is fixedly installed in limit ring cavity and prevent cable connecting pipe from sliding out from limit ring cavity, the limiting effect of cable connecting pipe is played. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the three-dimensional structure diagram of the submersion electric shock protection device of the utility model Figure 1 ;

[0020] Figure 2 It is the three-dimensional structure diagram of the submersion electric shock protection device of the utility model Figure 2 ;

[0021] Figure 3 It is the schematic diagram of relay and current sensor installation position of the submersion electric shock protection device of the utility model

[0022] Figure 4 It is the three-dimensional structure diagram of the sealing sleeve of the submersion electric shock protection device of the utility model Figure 1 ;

[0023] Figure 5 It is the three-dimensional structure diagram of the sealing sleeve of the submersion electric shock protection device of the utility model Figure 2 .

[0024] LEGEND:

[0025] 10, upper shell;11, lower shell;12, first wiring unit;13, second wiring unit;14, alarm lamp;15, wiring post;16, loop post;17, insulating outer tube;18, clamping groove;19, relay;20, current sensor;21, threaded sleeve ring;22, limit ring;23, cable connecting pipe;24, rubber waterproof sealing ring;25, status indicator lamp. DETAILED DESCRIPTION

[0026] As Figures 1-5The device comprises an upper shell 10, a control circuit arranged in the cavity of the upper shell 10, an alarm lamp 14 and a state indicating lamp 25 arranged at the top end of the upper shell 10, a lower shell 11 engaged with the upper shell 10, a relay 19 and a current sensor 20 arranged in the cavity of the lower shell 11, and a wiring assembly arranged on the front and rear sides of the lower shell 11, wherein the wiring assembly comprises a first wiring unit 12 and a second wiring unit 13, and the first wiring unit 12 and the second wiring unit 13 are both composed of a wiring post 15, an insulating outer tube 17 and a sealing sleeve.

[0027] Specifically, the wiring assembly is arranged on the front and rear sides of the lower shell 11, the first wiring unit 12 and the second wiring unit 13 are both composed of the wiring post 15, the insulating outer tube 17 and the sealing sleeve, the wiring post 16 is arranged to facilitate connection with the cable, the insulating outer tube 17 is arranged to insulate and protect the wiring post 15, the first layer of waterproof structure is formed between the threaded sleeve ring 21 and the insulating outer tube 17 to prevent water from entering the contact with the wiring post 15 through the gap of the insulating outer tube 17, and the second layer of waterproof structure is formed between the cable connecting tube 23 and the threaded sleeve ring 21 to prevent water from causing electric leakage by contacting the wiring post 15 through the cable, thereby further prolonging the service life of the device and improving the safety of electricity use.

[0028] The wiring post 15 is fixedly connected with the wiring post 16 on the side wall surface away from the lower shell 11, the wiring post 16 is a rectangular body, and a wire hole is formed between the mutually opposite side wall surfaces of the wiring post 16.

[0029] Specifically, the wiring post 16 is fixedly connected with the wiring post 15, and the wire hole is formed between the mutually opposite side wall surfaces of the wiring post 16 to facilitate the end of the cable to pass through the wiring post 16, thereby improving the convenience of installation.

[0030] The insulating outer tube 17 is arranged outside the wiring post 16, one end of the wiring post 15 is located in the cavity of the insulating outer tube 17, and the insulating outer tube 17 is fixedly connected with the outer shell of the lower shell 11.

[0031] Specifically, the insulating outer tube 17 is arranged outside the wiring post 16, the insulating outer tube 17 is fixedly connected with the outer shell of the lower shell 11, and the wiring post 15 is isolated, so that, compared with the traditional electric leakage protector, the safety protection of the wiring of the device is higher, the connection line is not exposed, and the electricity use is safer.

[0032] A clamping groove 18 is formed at the top end of the lower shell 11, the upper shell 10 is movably clamped with the lower shell 11 through the clamping groove 18, and a sealing rubber strip is arranged on the inner wall surface of the clamping groove 18.

[0033] Specifically, the top end of the lower shell 11 is provided with a clamping groove 18, the upper shell 10 is clamped with the lower shell 11 through the clamping groove 18, and the inner wall surface of the clamping groove 18 is provided with a sealing rubber strip, so that the lower shell 11 and the upper shell 10 are sealingly connected, and the waterproof performance is effectively improved.

[0034] The outer wall surface of the insulating outer pipe 17 is provided with a threaded groove, the inner wall surface of the threaded sleeve ring 21 is provided with a threaded tooth, and the threaded sleeve ring 21 and the insulating outer pipe 17 are in a threaded connection relationship. The threaded sleeve ring 21 is fixedly connected with a limiting ring 22 at one end close to the cable connecting pipe 23, the limiting ring 22 is hollow, and the cable connecting pipe 23 penetrates the limiting ring 22 movably. The cable connecting pipe 23 is fixedly connected with a rubber waterproof sealing ring 24 at one end in the cavity of the limiting ring 22, the rubber waterproof sealing ring 24 is located in the cavity of the limiting ring 22, a limiting post is fixedly installed in the cavity of the limiting ring 22, and the cable connecting pipe 23 is in the shape of a circular truncated cone.

[0035] Specifically, the outer wall surface of the insulating outer pipe 17 is provided with a threaded groove, the inner wall surface of the threaded sleeve ring 21 is provided with a threaded tooth, and the threaded sleeve ring 21 and the insulating outer pipe 17 are in a threaded connection relationship. The threaded sleeve ring 21 is fixedly connected with a limiting ring 22 at one end close to the cable connecting pipe 23, the limiting ring 22 is hollow, and the cable connecting pipe 23 penetrates the limiting ring 22 movably. The cable connecting pipe 23 is fixedly connected with a rubber waterproof sealing ring 24 at one end in the cavity of the limiting ring 22, the rubber waterproof sealing ring 24 is located in the cavity of the limiting ring 22, a limiting post is fixedly installed in the cavity of the limiting ring 22, and the cable connecting pipe 23 is in the shape of a circular truncated cone.

[0036] The working principle of the water immersion anti-electric shock protection device is as follows: the first and second wiring units 12 and 13 are composed of the wiring column 15, the insulating outer pipe 17 and the sealing sleeve, the wiring column 16 is arranged to facilitate connection with the cable, the insulating outer pipe 17 is arranged to insulate and protect the wiring column 15, the threaded sleeve ring 21 and the insulating outer pipe 17 form a first layer of waterproof structure, water is prevented from entering the contact with the wiring column 15 through the gap of the insulating outer pipe 17, the cable connecting pipe 23 and the threaded sleeve ring 21 form a second layer of waterproof structure, water is prevented from contacting the wiring column 15 through the cable to cause electric leakage, and the service life of the equipment is further prolonged and the electrical safety is improved through the structural design.

[0037] The circuit and electronic components and modules are all prior art, and those skilled in the art can realize them without further description. The content protected by the utility model does not involve improvement of software and methods.

[0038] The basic principle and main features of the present application and the advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. A submersion electric shock protection device, characterized in that, Include: The cavity of the upper shell (10) is provided with a control circuit, and the top end of the upper shell (10) is provided with an alarm lamp (14) and a status indicator lamp (25); The cavity of the lower shell (11) is provided with a relay (19) and a current sensor (20); The wiring assembly is provided on the front and rear sides of the lower shell (11), and the wiring assembly includes a first wiring unit (12) and a second wiring unit (13), which are the same in structure and are composed of a wiring post (15), an insulating outer tube (17) and a sealing sleeve; The sealing sleeve includes a threaded sleeve ring (21) and a cable connecting tube (23), and the threaded sleeve ring (21) and the insulating outer tube (17) form a first layer of waterproof structure, and the cable connecting tube (23) and the threaded sleeve ring (21) form a second layer of waterproof structure.

2. The water contact prevention protection device according to claim 1, characterized in that: The wiring post (15) is fixedly connected with a wire winding post (16) on the side wall away from the lower shell (11), the wire winding post (16) is a rectangular body, and a wire hole is formed between the opposite side walls of the wire winding post (16).

3. The water contact prevention protection device according to claim 1, characterized in that: The insulating outer tube (17) is arranged outside the wire winding post (16), one end of the wiring post (15) is located in the cavity of the insulating outer tube (17), and the insulating outer tube (17) is fixedly connected with the outer shell of the lower shell (11).

4. The water contact prevention protection device according to claim 1, characterized by: The top end of the lower shell (11) is provided with a clamping groove (18), the upper shell (10) is movably clamped with the lower shell (11) through the clamping groove (18), and the inner wall of the clamping groove (18) is provided with a sealing rubber strip.

5. The water contact prevention protection device according to claim 1, characterized in that: The outer wall of the insulating outer tube (17) is provided with a threaded groove, the inner wall of the threaded sleeve ring (21) is provided with a threaded tooth, and the threaded sleeve ring (21) and the insulating outer tube (17) are in threaded connection.

6. The water contact prevention protection device according to claim 5, characterized in that: The threaded sleeve ring (21) is fixedly connected with a limiting ring (22) near one end of the cable connecting tube (23), the limiting ring (22) is hollow, and the cable connecting tube (23) movably penetrates the limiting ring (22).

7. The water contact prevention protection device according to claim 6, characterized in that: The cable connecting tube (23) is fixedly connected with a rubber waterproof sealing ring (24) at one end in the cavity of the limiting ring (22), the rubber waterproof sealing ring (24) is located in the cavity of the limiting ring (22), a limiting post is fixedly installed in the cavity of the limiting ring (22), and the cable connecting tube (23) is a circular truncated cone.

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