CN217007422U

CN217007422U - Non-contact type water leakage detector

Info

Publication number: CN217007422U
Application number: CN202220338137.8U
Authority: CN
Inventors: 刘亚军; 杨艳; 于权颖
Original assignee: Beijing Juji Kean Emergency Equipment Technology Co ltd
Current assignee: Beijing Juji Kean Emergency Equipment Technology Co ltd
Priority date: 2022-02-18
Filing date: 2022-02-18
Publication date: 2022-07-19
Anticipated expiration: 2032-02-18

Abstract

The utility model relates to a non-contact type underwater electric leakage detector which comprises an insulating shell, a circuit board arranged in the shell, a wiring port arranged on the rear end face of the shell and a plurality of probes arranged on the front side of the shell, wherein the probes are electrically connected with the circuit board, the front ends of the probes penetrate out of the front end face of the shell, an electric field induction module, an audible and visual alarm module and a battery are integrated on the circuit board, and the probes are arranged side by side; the left side and the right side of the shell are provided with fixing pieces with fixing holes; according to the utility model, the alternating electric field generated around the electric-involved water body is induced by the probe and the electric field induction module, the electrification condition of the water body is sensed in a space induction mode, and the direct contact with the water body is not needed, so that electric leakage detection personnel are safer; the shell is small in structure and convenient to carry, can be directly used or mounted on other objects through the fixing piece when in use, and can be flexibly used according to the field condition.

Description

Non-contact type water leakage detector

Technical Field

The utility model belongs to the technical field of electric leakage detection, and particularly relates to a non-contact type underwater electric leakage detector.

Background

In the case of wading rescue, in order to avoid an electric shock accident, it is necessary to detect the electrification in the water area using a leakage detector in addition to cutting off the power supply nearby. Most all need be with electric leakage sensor and water contact, measure through measuring electric current or the voltage of process, for example chinese patent 201921508793.2 discloses an electric leakage detection device, its adopt first detecting head and second detecting head with detection circuitry's input is connected, and current detection circuitry's output passes through in proper order photoelectric isolator with the ADC circuit with the treater is connected, the display with the button respectively with the treater is connected, boost circuit's input with the treater is connected, and the output is connected with respectively light, highlight flashlight, warning light and bee calling organ.

However, in the position of the contact type leakage detection device during measurement, the detection head is in contact with the water body, so that the rescue workers can detect the leakage in a place which is very close to the water body, the practicability is poor, and the leakage detection device is in a long bar shape and is inconvenient to carry.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide a non-contact type underwater electric leakage detector.

The technical scheme of the utility model is as follows:

a non-contact type underwater electric leakage detector comprises an insulating shell, a circuit board arranged in the shell, a wiring port arranged on the rear end face of the shell and a plurality of probes arranged on the front side of the shell, wherein the probes are electrically connected with the circuit board, the front ends of the probes penetrate out of the front end face of the shell, an electric field induction module, an acousto-optic alarm module and a battery are integrated on the circuit board, and the probes are arranged side by side; the left side and the right side of the shell are provided with fixing sheets with fixing holes.

Furthermore, contactless aquatic electric leakage detector still includes the expansion board, the casing can be put safely on the face of expansion board, it is provided with the mounting hole to correspond the fixed orifices on the expansion board, be provided with the mount pad that is used for installing the casing on other objects on the expansion board.

Further, the mounting seat is integrally arranged at the rear part of the lower surface of the expansion plate, and a mounting hole with an opening at the rear end is formed in the mounting seat.

Furthermore, the mounting base comprises a rotating base connected to the back of the expansion plate in a rotating mode and an elastic clamp arranged on one side of the rotating base.

Further, the rotating shaft of the rotating base is eccentrically arranged.

Furthermore, a needle protecting cover is detachably arranged at the front end of the expansion plate.

Furthermore, the rear end of the needle shield cover is provided with an anti-loosening sheet corresponding to the fixing sheet, and the inner wall of the needle shield cover is provided with a positioning strip capable of abutting against the front end face of the mounting seat.

Further, the lower extreme of expansion board surpasses the lower extreme of casing just is connected with prevents losing the rope, the other end of preventing losing the rope is connected with dustproof stopper, dustproof stopper can fill in the wiring mouth.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the alternating electric field generated around the electric-involved water body is induced by the probe and the electric field induction module, the electrification condition of the water body is sensed in a space induction mode, and the direct contact with the water body is not needed, so that electric leakage detection personnel are safer;

the shell is small and exquisite in structure and convenient to carry, can be directly used or installed on other objects through the fixing piece when in use, and can be flexibly used according to the field condition.

Drawings

Fig. 1 is a schematic top view of the present invention.

Fig. 2 is a schematic diagram of a right-view structure according to an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of an expansion board according to an embodiment of the present invention.

FIG. 4 is a schematic view of the location of the spring clip gripping the shield of the present invention.

FIG. 5 is a schematic view of the spring clip of the present invention after rotation.

In the figure, a shell 1, a probe 2, a fixing piece 3, a wiring port 4, a dust plug 5, an anti-lost rope 6, a rope fixing piece 7, an assembly hole 8, a needle protecting cover 9, a positioning strip 91, an extension piece 10, an elastic clamp 11, a rotary base 12, a rotary shaft piece 13, an expansion plate 14 and a mounting hole 15 are arranged.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 2, a non-contact underwater leakage detector comprises an insulating housing 1, a circuit board arranged in the housing 1, a wiring port 4 arranged on the rear end surface of the housing 1, and a plurality of probes 2 arranged on the front side of the housing 1, wherein the probes 2 are electrically connected with the circuit board, the front ends of the probes 2 penetrate through the front end surface of the housing 1, an electric field sensing module, an audible and visual alarm module, a main control module and a battery are integrated on the circuit board, and the probes 2 are arranged side by side; the left side and the right side of the shell 1 are provided with fixing sheets 3 with fixing holes; wherein, electric field induction module adopts MEMS electric field sensor among the prior art, inside bee calling organ and the LED lamp pearl of adopting of audible-visual annunciator module, host system adopts singlechip and corresponding design peripheral circuit, and after electric field induction module sensed the electric field change in involving the electric water surface upper space, audible-visual annunciator sent audible-visual annunciator and reminds first-aid staff to pay attention to, the preferred button cell that adopts of battery.

Further, as shown in fig. 1 to fig. 2, the number of the probes 2 is 12, the arrangement of the plurality of probes 2 makes the sensitivity of electric field sensing higher, the size of the casing 1 is about 60 × 40 × 15mm, the whole casing is small and convenient to carry, the length and the width of the fixing piece 3 are both 5mm, and the interval between the two probes 2 is about 2.5 mm.

Furthermore, a plurality of probes 2 are connected to the same electrode plate, and then the electrode plate is electrically connected with the electric field induction module.

Further, as shown in fig. 3 to 5, the contactless electric leakage detector in water further includes an expansion board 14, the housing 1 can be safely placed on a board surface of the expansion board 14, the expansion board 14 is provided with mounting holes 15 corresponding to the fixing holes, and the expansion board 14 is provided with a mounting seat for mounting the housing 1 on other objects, so that the housing 1 can be mounted on a long-rod object for assistance in places where people cannot reach the extended-board conveniently.

Further, as shown in fig. 3, a needle protecting cover 9 is detachably disposed at the front end of the extension plate 14, the needle protecting cover 9 protects the probe 2, the needle protecting cover 9 is removed from the front end of the housing 1 when the present invention is used, the needle protecting cover 9 can be directly covered on the outer surfaces of the housing 1 and the extension plate 14, and the upper surface of the housing 1 and the lower surface of the extension plate 14 are limited by friction or a snap ring, so that the needle protecting cover 9 is mounted.

Further, as shown in fig. 3, the mounting seat is integrally arranged at the rear portion of the lower surface of the expansion board 14, a mounting hole 8 with an opening at the rear end is formed in the mounting seat, and the mounting hole 8 can be provided with threads or a snap ring, so that the mounting seat can be connected with the tail end of other long-rod objects through threads or a snap ring.

In one embodiment, as shown in fig. 4 to 5, the mounting seat includes a rotating seat 12 rotatably connected to the back of the expanding plate 14 and an elastic clip 11 disposed on one side of the rotating seat 12, the front end of the expanding plate 14 is detachably provided with a needle protecting cover 9, the rear end of the needle protecting cover 9 is provided with an anti-loose piece corresponding to the fixing piece 3, and the inner wall of the needle protecting cover 9 is provided with a positioning strip 91 capable of abutting against the front end face of the mounting seat; an extension piece 10 is further integrally connected to the lower end of the rear plate of the needle shield 9, and after the elastic clamp 11 rotates upwards, as shown in fig. 4, the elastic clamp 11 can clamp the lower end of the extension piece 10 to fix the needle shield 9; preferably, an anti-loosening groove for making contact with the elastic clamp 11 in a matching manner is arranged on the outer side of the extension piece 10, and the anti-loosening groove is horizontally arranged to prevent the needle shield 9 from easily rotating due to a small contact area after the elastic clamp 11 is clamped on the extension piece 10; the rotating base 12 is arranged on the back of the expansion plate 14 through a rotating shaft piece 13 penetrating through the rotating base, and the tightness of the rotating shaft piece 13 enables the rotating base 12 to rotate only under manual pulling, so that angle positioning is realized; a gear can be arranged between the rotating seat 12 and the expansion plate 14, so that the rescue workers can be reminded of the positioning through hand feeling.

In one embodiment, as shown in fig. 4 to 5, the rotating shaft of the rotating base 12 is eccentrically arranged, so that the root of the elastic clamp 11 eccentrically rotates, and the elastic clamp 11 can be arranged to be longer, so that a larger elastic force and a thicker maximum opening width can be obtained, so that the elastic clamp 11 can be clamped and fixed on objects with different thicknesses after rotating downwards; when the leakage detector is carried, the leakage detector can also be directly clamped on flat belt objects such as a backpack belt and the like together with the needle protecting cover 9.

Further, the lower extreme of expansion board 14 surpasss the lower extreme of casing 1 just is connected with through rope firmware 7 and prevents losing rope 6, the other end of preventing losing rope 6 is connected with dustproof stopper 5, dustproof stopper 5 can be packed into in the wiring mouth 4, prevent that debris and dust from getting into, rope firmware 7 can be the becket that hangs on expansion board 14 or can be tied up the bolt or the pin of preventing losing rope 6.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a non-contact aquatic electric leakage detector which characterized in that: the device comprises an insulated shell, a circuit board arranged in the shell, a wiring port arranged on the rear end face of the shell and a plurality of probes arranged on the front side of the shell, wherein the probes are electrically connected with the circuit board, the front ends of the probes penetrate out of the front end face of the shell, an electric field induction module, an audible and visual alarm module and a battery are integrated on the circuit board, and the probes are arranged side by side; the left side and the right side of the shell are provided with fixing plates with fixing holes.

2. The non-contact type underwater electric leakage detector according to claim 1, characterized in that: still include the expansion board, the casing can be put safely on the face of expansion board, it is provided with the mounting hole to correspond the fixed orifices on the expansion board, be provided with on the expansion board and be used for installing the mount pad on other objects with the casing.

3. The non-contact water leakage detector according to claim 2, wherein: the mounting seat is integrally arranged at the rear part of the lower surface of the expansion plate, and a mounting hole with an opening at the rear end is arranged in the mounting seat.

4. The non-contact type underwater electric leakage detector according to claim 2, characterized in that: the installation seat comprises a rotary seat which is rotatably connected to the back face of the expansion plate and an elastic clamp which is arranged on one side of the rotary seat.

5. The non-contact water leakage detector according to claim 4, wherein: the rotating shaft of the rotating seat is eccentrically arranged.

6. The non-contact type electric leakage detector in water as claimed in any one of claims 2 to 5, wherein: the front end of the expansion plate is detachably provided with a needle protecting cover.

7. The non-contact type underwater electric leakage detector according to any one of claims 2 to 5, characterized in that: the front end of the expansion plate is detachably provided with a needle shield cover, the rear end of the needle shield cover is provided with an anti-loosening sheet corresponding to the fixing sheet, and the inner wall of the needle shield cover is provided with a positioning strip capable of abutting against the front end face of the mounting seat.

8. The non-contact type underwater electric leakage detector according to any one of claims 2 to 5, characterized in that: the lower extreme of expansion board surpasses the lower extreme of casing just is connected with prevents losing the rope, the other end of preventing losing the rope is connected with dustproof stopper, dustproof stopper can fill in the wiring mouth.