CN217362268U

CN217362268U - Underwater equipment protection device

Info

Publication number: CN217362268U
Application number: CN202221108497.5U
Authority: CN
Inventors: 周垒峰; 张涛; 冒建华; 黎定高; 王强; 郑梅; 霍崇; 王文娜
Original assignee: Beijing Enterprises Water China Investment Co Ltd
Current assignee: Beijing Enterprises Water China Investment Co Ltd
Priority date: 2022-05-10
Filing date: 2022-05-10
Publication date: 2022-09-02
Anticipated expiration: 2032-05-10

Abstract

The application relates to the technical field of sewage treatment, in particular to an underwater equipment protection device. The underwater equipment protection device comprises a box body, an isolating switch, an indicator light and a power cable; the isolating switch is connected in the box body; the indicating lamp is connected with the box body and electrically connected with the isolating switch so as to indicate that the isolating switch is in an electrically conducting or electrically blocking state; the isolating switch is electrically connected with external underwater equipment and an external power distribution network through a power cable, and the isolating switch is used for enabling the underwater equipment to be electrically conducted or electrically disconnected with the power distribution network. This underwater equipment protection device can control underwater equipment and distribution network electric conduction or resistance through isolator to can show underwater equipment's electric conduction state through the pilot lamp, and then can be through such mode, when underwater equipment is in the trouble or overhauls and maintains, can carry out independent control to underwater equipment, with guarantee maintenance personal's safety.

Description

Underwater equipment protection device

Technical Field

The application relates to the technical field of sewage treatment, in particular to an underwater equipment protection device.

Background

Currently, in sewage treatment plants, there are many underwater diving equipments, such as: the system comprises a water inlet lifting pump, a middle lifting pump, a sludge reflux pump, a residual sludge reflux pump, a submersible stirrer, a submersible water impeller, a pit pump and the like, wherein the submersible equipment is immersed below the water surface for a long time, the working condition is complex, various equipment faults can often occur, and field personnel also overhaul and maintain the submersible equipment frequently.

Therefore, in the process of fault or overhaul and maintenance, the safety of maintenance personnel must be paid sufficient attention to avoid personal safety accidents from causing adverse social influence and company brand influence. And the button box and the junction box which are arranged at the present stage can not completely meet the requirement of safety function, so that potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

The present application provides an underwater equipment protection device to improve the above-mentioned problem.

The utility model discloses it is specifically such:

an underwater equipment protection device comprises a box body, an isolating switch, an indicator light and a power cable;

the isolating switch is connected in the box body; the indicating lamp is connected with the box body and electrically connected with the isolating switch so as to indicate that the isolating switch is in an electrically conducting or electrically blocking state;

the isolating switch is electrically connected with external underwater equipment and an external power distribution network through a power cable, and the isolating switch is used for enabling the underwater equipment to be electrically conducted or electrically disconnected with the power distribution network.

In an embodiment of the present invention, the underwater equipment protection device further comprises a control assembly and a partition plate;

the baffle plate is connected in the box body and divides the box body into a first cavity and a second cavity;

the isolating switch and the power cable are accommodated in the first cavity; the control assembly is accommodated in the second chamber.

In one embodiment of the present invention, the control assembly includes a control cable and a control signal terminal;

the control signal terminal is electrically connected with the underwater equipment or the distribution network through a control cable.

In an embodiment of the present invention, the underwater equipment protection device further includes a first flange head and a second flange head connected to the box body;

one end of the power cable extending out of the box body is connected with the first gram head; one end of the control cable extending out of the box body is connected with the second gland head.

In one embodiment of the present invention, a power cable trough is provided in the first chamber;

the part of the power cable, which is positioned in the first cavity, is accommodated in the power cable wiring groove.

In an embodiment of the present invention, a control cable trough is provided in the second chamber;

the part of the control cable positioned in the second chamber is accommodated in the control cable wiring groove.

The utility model discloses an in the embodiment, underwater equipment protection device still includes operating handle, and operating handle is connected with the box, and operating handle is used for driving isolator and switches on or break off.

In an embodiment of the present invention, the underwater device protection device further includes a locking member connected to the box, and the operating handle is used for limiting the movement of the operating handle relative to the box.

The utility model discloses an in the embodiment, equipment protection device still includes the fuse under water, and the fuse establishes ties with isolator.

The beneficial effects of the utility model are that:

the underwater equipment protection device comprises a box body, an isolating switch, an indicator light and a power cable; the isolating switch is connected in the box body; the indicating lamp is connected with the box body and electrically connected with the isolating switch so as to indicate that the isolating switch is in an electrically conducting or electrically blocking state; the isolating switch is electrically connected with external underwater equipment and an external power distribution network through a power cable, and the isolating switch is used for enabling the underwater equipment to be electrically conducted or electrically disconnected with the power distribution network.

This underwater equipment protection device can control underwater equipment and distribution network electric conduction or resistance-breaking through isolator to can show underwater equipment's electric conduction state through the pilot lamp, and then can be through such mode, when underwater equipment is in the trouble or overhauls to maintain, can carry out independent control to underwater equipment, with guarantee maintenance personal's safety.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, 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 application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

FIG. 1 is a front view of a subsea equipment protection device provided herein;

FIG. 2 is a cross-sectional view of a subsea equipment protection device provided herein;

FIG. 3 is a side view of a subsea equipment protection device provided herein;

FIG. 4 is a schematic circuit diagram of the subsea equipment protection device provided herein; wherein, A is a contact type connection schematic diagram, and B is an auxiliary contact schematic diagram of the switch.

Icon: 10-an underwater device; 30-a power distribution network; 200-underwater equipment protection devices; 210-a box body; 220-an isolating switch; 230-an indicator light; 240-a control component; 250-a separator; 211-a first chamber; 212-a second chamber; 241-control signal terminals; 213-first glan head; 214-second glan head; 215-power cable run; 216-control cable run slots; 260-operating handle; 270-a locking member; 280-fuse.

Detailed Description

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

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

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 application, it should be noted that the indication of orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship which is usually placed when the product of the application is used, or the orientation or positional relationship which is usually understood by those skilled in the art, or the orientation or positional relationship which is usually placed when the product of the application is used, and is only for the convenience of describing the application and simplifying the description, but does not indicate or imply that the indicated device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the application. 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.

In the description of the embodiments of the present application, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, and may for example be fixedly connected, detachably connected, or integrally connected; may be directly connected or may be indirectly connected through an intermediate. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

Referring to fig. 1 to 4, the present embodiment provides an underwater device protection apparatus 200, which includes a tank 210, a disconnecting switch 220, an indicator light 230, and a power cable;

the isolating switch 220 is connected in the box body 210; the indicator lamp 230 is connected to the box body 210, and the indicator lamp 230 is electrically connected to the isolating switch 220 to indicate that the isolating switch 220 is in an electrically conductive or electrically blocked state;

the isolation switch 220 is electrically connected to the external underwater equipment 10 and the external power distribution network 30 through power cables, and the isolation switch 220 is used to electrically conduct or block the underwater equipment 10 to the power distribution network 30.

The working principle of the underwater equipment protection device 200 is as follows:

referring to fig. 1 to 4, the underwater equipment protection device 200 includes a tank 210, a disconnecting switch 220, an indicator light 230 and a power cable; the isolating switch 220 is connected in the box body 210; the indicator lamp 230 is connected to the box 210, and the indicator lamp 230 is electrically connected to the isolating switch 220 to indicate that the isolating switch 220 is in an electrically conducting or electrically blocking state; the isolation switch 220 is electrically connected to the external underwater equipment 10 and the external power distribution network 30 through power cables, and the isolation switch 220 is used to electrically conduct or block the underwater equipment 10 to the power distribution network 30.

This underwater equipment protection device 200 can control underwater equipment 10 and distribution network 30 electric conduction or electricity through isolator 220 and block to can show the electric conduction state of underwater equipment 10 through pilot lamp 230, and then can be through such a mode, when underwater equipment 10 is in trouble or overhauls and maintains, can carry out independent control to underwater equipment 10, with guarantee maintenance personal's safety.

It should be noted that, in the prior art, no special wiring device or wiring box for the underwater equipment 10 is provided, a submersible cable carried by the equipment is connected to the on-site button box, when the equipment is in fault or is maintained, the main power supply cannot be directly cut off on site, and certain potential safety hazards exist; in the special wiring device for the diving equipment, only a wiring terminal is arranged in the wiring device and is only used as a cable transit of the diving equipment, when the equipment is in fault or is maintained, a main power supply cannot be directly cut off on site, and certain potential safety hazards exist;

therefore, compared with the wiring device in the prior art, the underwater equipment protection device 200 can be installed in a short distance relative to the site of the underwater equipment 10, so as to directly control the electric conduction state of the underwater equipment 10, and can quickly respond and adjust the electric conduction state of the underwater equipment 10 according to the working state of the underwater equipment, so that the response speed can be increased, and the site safety can be improved; in addition, such mode of setting can be independent with the power supply control of power end to can avoid when overhauing, because of the outage control that needs the power end, and influence the operation of other equipment, thereby can improve work efficiency.

Further, referring to fig. 1-4, in the present embodiment, the underwater equipment protection device 200 further includes a control assembly 240 and a partition 250; the partition plate 250 is disposed in the case 210 and divides the case 210 into a first chamber 211 and a second chamber 212; the isolating switch 220 and the power cable are accommodated in the first chamber 211; the control assembly 240 is housed in the second chamber 212. And the control component 240 includes a control cable and a control signal terminal 241; the control signal terminal 241 is electrically connected to the underwater equipment 10 or the distribution network 30 through a control cable.

Therefore, through such an arrangement, mutual interference of the components in the box body 210 can be avoided, and the control signal of the control assembly 240 can be prevented from being infected, thereby ensuring normal operation of the control assembly 240.

A power cable trough 215 is arranged in the first chamber 211, and a part of the power cable in the first chamber 211 is accommodated in the power cable trough 215; a control cable routing channel 216 is disposed within the second chamber 212, and a portion of the control cable within the second chamber 212 is received within the control cable routing channel 216. Thereby can be convenient for lay power cable and control cable through such mode of setting up, make power cable and control cable in box 210 mutual interval moreover to can be convenient for power cable and control cable walk line and distinguish in box 210 is inside, thereby reduce the maintenance degree of difficulty in later stage.

Further, referring to fig. 1 to 4, in order to facilitate connection of the power cable and the control cable with external cables and to improve safety of the power cable and the control cable, the underwater equipment protection device 200 further includes a first glan head 213 and a second glan head 214 connected to the tank 210; one end of the power cable extending out of the box body 210 is connected with the first gland head 213; the end of the control cable extending out of the housing 210 is connected to a second glan head 214.

Further, referring to fig. 1 to 4, in the present embodiment, the underwater equipment protection device 200 further includes an operating handle 260, the operating handle 260 is connected to the tank 210, and the operating handle 260 is used for driving the disconnecting switch 220 to be turned on or off. It should be noted that the operating handle 260 may be mechanically driven to actuate the isolating switch 220, or may be operated by a contact switch (fig. 4 is a contact type, i.e., 260 in B of fig. 4 is an auxiliary contact of the switch).

Therefore, the disconnecting switch 220 can be switched off or on according to the requirement by operating the handle 260. In addition, in order to prevent the operating handle 260 from being operated by mistake during maintenance and thus the underwater equipment 10 is electrically connected, the underwater equipment protection device 200 further includes a locking member 270, the locking member 270 is connected to the tank 210, and the operating handle 260 is used for limiting the movement of the operating handle 260 relative to the tank 210. It should be noted that the locking member 270 may be a movable buckle connected to the box 210, or may be a lock.

Further, referring to fig. 1 to 4, in order to improve the safety of the underwater equipment protection device 200, the underwater equipment protection device 200 further includes a fuse 280, and the fuse 280 is connected in series with the isolating switch 220.

It should be noted that, in this embodiment, the underwater equipment protection device 200 may further include a box cover for closing the opening of the box 210, and both the indicator light 230 and the operation handle 260 may be connected to the box cover, so that the worker can observe the working state and operation of the underwater equipment protection device 200.

Based on the above, referring to fig. 1 to 4, the present embodiment further provides an underwater equipment protection method, which adopts the above underwater equipment protection device 200, and is characterized by including:

when the underwater equipment 10 is abnormal or in a clearance state, the operation handle 260 is controlled to enable the isolating switch 220 to be in a blocking state;

after the indicator light 230 indicates that the isolating switch 220 is in the electrically blocked state, the locking member 270 is connected to the operating handle 260 to limit the movement of the operating handle 260 relative to the case 210.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An underwater equipment protection device, characterized in that:

the underwater equipment protection device comprises a box body, an isolating switch, an indicator light and a power cable;

the isolating switch is connected in the box body; the indicator light is connected to the box body and electrically connected with the isolating switch to indicate that the isolating switch is in an electrically conducting or electrically blocking state;

the isolating switch is electrically connected with external underwater equipment and an external power distribution network through the power cable, and the isolating switch is used for enabling the underwater equipment to be electrically conducted or electrically blocked with the power distribution network.

2. The subsea equipment protection device of claim 1, wherein:

the underwater equipment protection device also comprises a control assembly and a partition plate;

the isolating switch and the power cable are contained in the first cavity; the control assembly is accommodated in the second chamber.

3. The subsea equipment protection device of claim 2, wherein:

the control assembly comprises a control cable and a control signal terminal;

the control signal terminal is electrically connected with the underwater equipment or the power distribution network through the control cable.

4. The subsea equipment protection device of claim 3, wherein:

the underwater equipment protection device also comprises a first gram head and a second gram head which are connected with the box body;

one end of the power cable extending out of the box body is connected with the first gland head; one end of the control cable extending out of the box body is connected with the second Glan head.

5. The subsea equipment protection device of claim 2, wherein:

a power cable wiring groove is formed in the first chamber;

and part of the power cable positioned in the first cavity is accommodated in the power cable wiring groove.

6. The subsea equipment protection device of claim 2, wherein:

a control cable wiring groove is formed in the second chamber;

the part of the control cable positioned in the second cavity is accommodated in the control cable wiring groove.

7. The underwater equipment protection device of any one of claims 1 to 6, wherein:

the underwater equipment protection device further comprises an operating handle, the operating handle is connected with the box body, and the operating handle is used for driving the isolating switch to be switched on or switched off.

8. The subsea equipment protection device of claim 7, wherein:

the underwater equipment protection device further comprises a locking piece, the locking piece is connected with the box body, and the operating handle is used for limiting the movement of the operating handle relative to the box body.

9. The underwater equipment protection device of any one of claims 1 to 6, wherein:

the underwater equipment protection device further comprises a fuse, and the fuse is connected with the isolating switch in series.