CN210630076U

CN210630076U - Electrical protection device and underwater equipment

Info

Publication number: CN210630076U
Application number: CN201921566035.6U
Authority: CN
Inventors: 刘发明; 陈剑平
Original assignee: Hunan Qisi Environmental Protection Equipment Manufacturing Co ltd
Current assignee: Hunan Qisi Environmental Protection Equipment Manufacturing Co ltd
Priority date: 2019-09-19
Filing date: 2019-09-19
Publication date: 2020-05-26
Anticipated expiration: 2029-09-19

Abstract

The utility model relates to an electrical protection device and underwater equipment. An electrical protection device comprising: the hydraulic oil pipe joint comprises a shell, a hydraulic oil pipe joint and a hydraulic oil pipe joint, wherein an accommodating space for accommodating an electric wire harness is formed inside the shell; a connector secured within the housing for connecting the electrical harness; and the hydraulic oil pipe is positioned outside the shell, is connected with the hydraulic oil pipe joint and is used for the electric wire harness to pass through. The electric protection device has good sealing and waterproof performance, shock resistance and abrasion resistance, and has the capability of avoiding the corrosion of harmful gas and liquid, so that the electric protection device can play a good role in protecting the electric wire harness in a severe application environment and prevent the electric wire harness from being damaged.

Description

Electrical protection device and underwater equipment

Technical Field

The utility model relates to an electrical equipment technical field especially relates to an electrical protection device and underwater equipment.

Background

In some electrical devices, electrical harnesses such as power lines and signal lines are often required to be electrically connected, but when the electrical devices are in harsh working environments such as underwater and chemical plants, the performance requirements of the electrical harnesses are high, for example, the electrical harnesses are required to have good sealing and waterproof performance, impact resistance and abrasion resistance, and have the capability of avoiding corrosion of harmful gas and liquid. Conventional electrical harnesses do not meet these requirements and are therefore susceptible to damage in harsh operating environments.

SUMMERY OF THE UTILITY MODEL

Based on this, it is necessary to provide an electrical protection device and underwater equipment to solve the problem that the conventional electrical harness is easily damaged in a severe working environment.

An electrical protection device comprising:

the hydraulic oil pipe joint comprises a shell, a hydraulic oil pipe joint and a hydraulic oil pipe joint, wherein an accommodating space for accommodating an electric wire harness is formed inside the shell;

a connector secured within the housing for connecting the electrical harness; and

and the hydraulic oil pipe is positioned outside the shell, is connected with the hydraulic oil pipe joint and is used for the electric wire harness to pass through.

In one embodiment, the shell is further provided with a detachable end cover, an elastic piece and a sealing piece, the elastic piece is arranged at two ends of the end cover to fix the end cover, and the sealing piece is arranged between the edge of the end cover and the inner wall of the shell.

In one embodiment, the connector further comprises a fixing member for fixing the connector, wherein the fixing member is a nylon slider, and the nylon slider is adjusted in position inside the housing to change the size of the accommodating space on the two sides.

In one embodiment, the connector is a multi-core electrical connector for splitting an input end of the electrical harness into a plurality of output ends and/or converging a plurality of input ends of the electrical harness into one output end.

In one embodiment, the device further comprises a support connected with the shell and used for fixing the shell at a preset position.

In one embodiment, the electrical protection device comprises a plurality of said housings, adjacent said housings being connected by said hydraulic tubing.

In one embodiment, the alarm device further comprises an alarm device and a liquid level sensor arranged in the shell, wherein the liquid level sensor is connected with the alarm device, and the alarm device is used for giving an alarm when the liquid level sensor measures that the water level in the shell reaches a preset liquid level.

In one embodiment, the water draining device is arranged inside the shell and used for draining water after the water level inside the shell reaches a preset liquid level.

In one embodiment, the hydraulic oil pipe system further comprises a tap, which is arranged between the hydraulic oil pipes and is used for splitting an electric wire harness in the hydraulic oil pipes.

An underwater device comprises an underwater device body and further comprises an electrical protection device as described in any one of the above.

The electric protection device and the underwater equipment comprise a shell, a connector, a fixing piece and a hydraulic oil pipe, wherein a containing space for containing an electric wire harness is formed in the shell, a hydraulic oil pipe joint is further arranged on the containing space, the connector is fixed on the fixing piece, the hydraulic oil pipe is connected with the hydraulic oil pipe joint, the electric wire harness enters the shell through the hydraulic oil pipe, redundant wire harnesses can be arranged in the containing space in the shell, the electric wire harness is switched through the connector after entering the shell and is connected out of the hydraulic oil pipe joint at the other end, the fixing piece can be a nylon sliding block, the nylon sliding block is adjusted in position in the shell to adjust the size of the containing space at two sides, the electric protection device has good sealing and waterproof performance, shock resistance and abrasion resistance, and can avoid harmful gas and liquid corrosion, so that the electric wire harness can be well protected in a severe application environment, so that it is not damaged.

Drawings

Fig. 1 is a perspective view of an electrical protection device in an embodiment.

Fig. 2 is a front view of the electrical protection device in the embodiment of fig. 1.

Fig. 3 is a cross-sectional view in the direction AA of the electrical protection device in the embodiment of fig. 1.

Fig. 4 is a front view of an electrical protection device in another embodiment.

Fig. 5 is a left side view of the electrical protection device in the embodiment of fig. 4.

Fig. 6 is a top view of the electrical protection device of the embodiment of fig. 4.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

In the description of the present application, it is to be understood that the terms "center", "lateral", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner" and "outer" etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application. Further, when an element is referred to as being "formed on" another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present.

In one embodiment, as shown in fig. 1-3, electrical device protection device 10 includes a housing 110, a connector 120, and a hydraulic tubing (not shown).

The housing 110 may be a hydraulic housing, and the inside of the housing 110 forms an accommodation space for accommodating the electric harness. The electric wire harness may be a power supply wire, a signal wire, or the like. The housing 110 is provided with a hydraulic tubing connector 112. A hydraulic oil pipe is located outside the housing 110 and is connected to the hydraulic oil pipe joint 112, and the hydraulic oil pipe is used for passing through the electric wiring harness. The shape of the housing 110 includes, but is not limited to, a cylindrical shape in fig. 1, and may be a rectangular parallelepiped, an irregular shape, and other shapes.

For example, the electric equipment works underwater, a power line is required to be connected with a power supply and the electric equipment so as to supply power to the electric equipment, the power line is connected into the shell 110 through a hydraulic oil pipe after being connected out of the power supply, and a redundant power line can be arranged in an accommodating space inside the shell 110. The power cord is passed out of the hydraulic oil line at the other end of the housing 110 and connected to the electrical equipment. That is, the power cord is connected from the power source, then passes through one section of hydraulic oil pipe, the shell 110 and the other section of hydraulic oil pipe in sequence, and finally is connected with the electric equipment. In the process from the power supply to the electric equipment, the power line is always positioned inside the electric protection device 10, and the electric protection device 10 has good sealing performance, so that the waterproof effect can be achieved, the power line can be prevented from being corroded by harmful gas and liquid, in addition, the shell 110 and the hydraulic oil pipe are adopted in the electric protection device 10, so that the electric protection device has good shock resistance and abrasion resistance, the power line is well protected, the power line is prevented from being damaged, and the electric protection device 10 can be used as an underwater electric sealing junction box.

Referring to fig. 3 and 4, in one embodiment, the housing 110 is provided with removable end caps 114, an elastic member 116, and a sealing member 118 at both ends. The housing 110 has openings at both ends, and the end caps 114 have a size corresponding to the size of the openings, and the end caps 114 are detachable at the openings. The elastic member 116 is disposed at both ends of the end cap 114 to fix the end cap 114. The seal 118 is disposed between the edge of the end cap 114 and the inner wall of the housing 110, so that the interior of the housing 110 has a better sealing environment and is not easily soaked with water. Optionally, the elastic member 116 is a snap spring. Optionally, the sealing element 118 is made of a rubber sealant such as silica gel or nitrile rubber, which has good sealing performance, so that the electrical protection device 10 has better waterproof performance. In other embodiments, a weld seal may also be made through stainless steel plates in place of the end cap 114, the resilient member 116, and the sealing member 118.

In one embodiment, referring to fig. 3, the electrical protection device 10 further includes a mount 130. The connector 120 is fixed to a fixing member 130, the fixing member 130 is used for fixing the connector 120 in the housing 110, and the connector 120 is used for connecting an electrical harness, that is, the electrical harness enters the accommodating space inside the housing 110 from one of the hydraulic oil pipe joints 112, passes through the adapter of the connector 120 and then exits from the other hydraulic oil pipe joint 112. Illustratively, the fixing member 130 is a nylon slider, and the nylon slider adjusts the position inside the housing 110 to change the size of the accommodating space on both sides thereof, i.e., the nylon slider adjusts the position of the connector 120 inside the housing 110 and fixes the connector 120. In other embodiments, the fixing member 130 may be made of other non-metal materials such as plastic and rubber.

Specifically, after the operator has assembled the electrical harness with the connector 120, the end cap 114 is opened, the connector 120 is pushed into the housing 110 through the nylon slider of the fixed connector 120 from the opening of the housing 110, and the position of the nylon slider in the housing 110 is adjusted according to the volume of the redundant harness. For example, as shown in fig. 3, the volume of the redundant wiring harness on the left side of the nylon slider is greater than the volume of the redundant wiring harness on the right side of the nylon slider, the nylon slider is adjusted to the right in the housing 110 to adjust the accommodating space inside the housing 110, and the end cap 114 is covered and fixed and sealed by the elastic member 116 and the sealing member 118.

In one embodiment, the connector 120 is a multi-core electrical connector for splitting an input end of an electrical harness into a plurality of output ends and converging the plurality of input ends of the electrical harness into one output end. In another embodiment, the connector 120 is a multi-core electrical connector for splitting an input end of an electrical harness into multiple output ends or converging multiple input ends of an electrical harness into one output end. For example, if a plurality of ports of the electrical multi-core connector are electrically connected, and a power source is connected to one of the ports, the other ports can provide the same power source voltage as the power source. In the present embodiment, referring to fig. 4 to 6, the housing 110 is provided with a plurality of hydraulic oil pipe joints 112, and the number of the hydraulic oil pipe joints 112 is the same as the total number of the input ends and the output ends of the electrical harness, and corresponds to one another. For example, if a plurality of electric devices need to be supplied with power, and the supply voltages of the electric devices are the same, only one electric harness providing the supply voltage needs to enter the housing 110 through one of the hydraulic oil pipe joints 112 and be connected to the multi-core electric connector, and the multi-core electric connector outputs a plurality of electric harnesses of the supply voltage and respectively outputs the electric harnesses to the corresponding electric devices through the other hydraulic oil pipe joints 112, that is, the input end of the electric harness is divided into a plurality of output ends. For example, when a plurality of signal wires need to be collected into one electrical harness to be connected to the controller, the plurality of signal wires respectively enter the housing 110 through different hydraulic tubing joints 112 and are connected to the multi-core electrical connector, and collection through the multi-core electrical connector only needs to be connected to the controller through one electrical harness and then led out from another hydraulic tubing joint 112, that is, a plurality of input ends of the electrical harness are collected into one output end, and the output end includes all information of the input ends, and only needs to be connected to the controller through one electrical harness.

In other embodiments, electrical protection device 10 further includes a tap. The tap is connected with the hydraulic oil pipe and used for splitting the electric wire harnesses in the hydraulic oil pipe, namely, a plurality of electric wire harnesses are connected out of one hydraulic oil pipe through the same hydraulic oil pipe joint 112 and split through the tap and are respectively connected to different electric equipment through different oil pipes. Make electrical protection device 10's whole volume littleer, do benefit to and practice thrift the space through setting up the tap-off ware to the anterior segment connects out through same hydraulic pressure oil pipe, reduces the probability that hydraulic pressure oil pipe damaged, and stability is better, improves electrical protection device 10's reliability.

In one embodiment, as shown in fig. 4, the electrical protection device 10 further includes a mount 140. The holder 140 is coupled to the housing 110 for fixing the housing 110 at a predetermined position. For example, the electrical protection device 10 is used in a submarine, an electrical harness is required to be electrically connected inside the submarine, the electrical protection device 10 can be used during the connection of the electrical harness to protect the electrical harness, and the electrical protection device 10 is fixed at a position between two electrical devices connected by the electrical harness on the submarine, so that the electrical harness inside the electrical protection device 10 is prevented from being pulled along with the shaking of the submarine.

In one embodiment, the electrical protection device 10 includes a plurality of housings 110, and adjacent housings 110 are connected by hydraulic oil pipes, for example, in the case that the distance between two electrical devices connected by an electrical harness is too long, the accommodating space inside the housing 110 is insufficient, and the like, the plurality of housings 110 may be connected by hydraulic oil pipes to extend the use distance, increase the accommodating space of the redundant harness, and the like.

In one embodiment, the electrical protection device 10 further includes an alarm and a level sensor disposed within the housing 110. The liquid level sensor is connected to an alarm for alarming when the liquid level sensor measures that the water level inside the housing 110 reaches a preset level. For example, the height of the preset level is one tenth of the length or width of the housing 110. In this embodiment, the alarm gives an alarm when the liquid level sensor measures that there is water in the casing 110, for example, a voice alarm, a light flashing alarm, a short message prompt alarm, etc., so that the maintainer can timely process the electric wire harness in the casing 110 to avoid the occurrence of short-circuit and other faults.

In one embodiment, electrical protection device 10 further includes a drain. The drainage device is arranged inside the shell 110 and used for draining water after the water level inside the shell 110 reaches a preset liquid level, so that an electric wire harness inside the shell 110 can be protected timely.

The present application also provides an underwater apparatus comprising an underwater apparatus body and the electrical protection device 10 of any of the embodiments described above. For example, the subsea equipment may be a ferry, a submarine, a marine oil and gas development facility, or the like. The electrical protection device 10 has good waterproof performance, impact resistance and the like, and can protect the electrical wiring harness of the underwater equipment from being damaged.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. An electrical protection device, comprising:

2. The electrical protection device of claim 1, wherein the housing further comprises a detachable end cap, an elastic member and a sealing member, the elastic member is disposed at two ends of the end cap to fix the end cap, and the sealing member is disposed between an edge of the end cap and an inner wall of the housing.

3. The electrical protection device of claim 1, further comprising a fixing member for fixing the connector, wherein the fixing member is a nylon slider, and the nylon slider is adjusted in position inside the housing to change the size of the accommodating space on both sides.

4. The electrical protection device of claim 1, wherein the connector is a multi-core electrical connector for splitting an input end of the electrical harness into a plurality of output ends and/or converging a plurality of input ends of the electrical harness into one output end.

5. The electrical protection device of claim 1, further comprising a bracket coupled to the housing for securing the housing in a predetermined position.

6. The electrical protection device of claim 1, comprising a plurality of said housings, adjacent said housings being connected by said hydraulic tubing.

7. The electrical protection device of claim 1, further comprising an alarm and a level sensor disposed in the housing, wherein the level sensor is connected to the alarm, and the alarm is configured to alarm when the level sensor measures that the water level inside the housing reaches a predetermined level.

8. The electrical protection device of claim 7, further comprising a drain disposed within the housing for draining water after a water level within the housing reaches a predetermined level.

9. The electrical protection device of claim 1, further comprising a tap disposed between the hydraulic oil tubes for splitting an electrical harness within the hydraulic oil tubes.

10. An underwater apparatus comprising an underwater apparatus body, characterized by further comprising an electrical protection device as claimed in any one of claims 1 to 9.