Power box applied to explosion danger area

Abstract

The utility model discloses a power box applied to an explosion danger area, which comprises a box body, an installation assembly used for installing a battery pack is arranged in the box body, a plurality of storage batteries are arranged in the installation assembly, and the storage batteries are provided with heat dissipation channels at the upper end of the installation assembly. The box body is provided with a box cover at the upper end of the storage battery, and the lower end surface of the box body and the box cover are provided with a plurality of breather valves for discharging hydrogen and dissipating heat; the device is simple in structure and reasonable in design, certain circulating heat dissipation can be formed in the box body, heat accumulation is avoided, meanwhile, the top of the box cover is designed to be a slope top, trace hydrogen separated out in large-current charging can be conveniently discharged out of the box body through the breather valve, the explosion risk caused by excessive residual hydrogen in the box body is prevented, and the service life of the box body is prolonged. And moreover, the box body is prevented from being damaged by respiration caused by temperature change, and the back-up power supply applied to the offshore platform is met.

Description

Technical Field

[0001] The utility model relates to the technical field of power supply box equipment, and is specifically a power supply box applied to explosion hazardous areas. Background Art

[0002] At present, there is no large outdoor power supply box for explosion-proof power supply in China, which can be used in explosion-hazardous areas. As a result, the demand of space-constrained areas such as offshore oil platforms cannot be met. The hydrogen evolution in the use of batteries poses a challenge to the high protection requirements of offshore electrical equipment. The use of batteries has requirements on the ambient temperature, and the battery box needs to consider a certain degree of heat dissipation. Utility Model Content

[0003] The purpose of the utility model is to provide a power box applied to an explosion hazardous area to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a power supply box for use in explosion-hazardous areas, comprising a box body, a mounting assembly for mounting a battery pack is arranged inside the box body, a plurality of storage batteries are arranged inside the mounting assembly, a heat dissipation channel is arranged at the upper end of the mounting assembly of the storage battery, the box body is provided with a box cover at the upper end of the storage battery, and a plurality of breathing valves for discharging hydrogen and dissipating heat are arranged on the lower end surface of the box body and on the box cover.

[0005] Preferably, a sealing strip is provided on one side adjacent to the box cover, and the box cover is fixed by a hexagon nut, and the top end of the box cover is arranged as a slope top.

[0006] Preferably, the upper end of one side of the box is provided with several explosion-proof metal cable connectors for connecting the battery pack and the battery management system through an opening through hole.

[0007] Preferably, the installation assembly includes:

[0008] Installation frame, the installation frame is arranged inside the box;

[0009] Several transverse partitions are arranged at equal spacing inside the mounting frame;

[0010] A longitudinal partition, the longitudinal partition is arranged inside the mounting frame and is distributed perpendicularly with the transverse partition;

[0011] Battery strips are provided on both sides of the upper end of the mounting frame.

[0012] Preferably, the internal part of the heat dissipation channel is provided with a flame retardant material with holes.

[0013] Preferably, a drain valve is provided at the lower end of the box, and one side of the box is provided with a reserved hole for detecting temperature.

[0014] Preferably, several reinforcement ribs are arranged around the outer side of the box.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The power box used in explosion-hazardous areas is provided with a heat dissipation channel. A plurality of breathing valves for discharging hydrogen and dissipating heat are installed on the lower end surface of the box and the box cover. A certain circulation heat dissipation can be formed in the box to avoid heat accumulation. When a small amount of hydrogen is released during high-current charging, it can be discharged from the box through the breathing valve to prevent the risk of explosion caused by excessive residual hydrogen in the box. The top of the box cover is integrally formed into a sloped top to avoid damage to the box due to the breathing effect formed by temperature changes. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is the overall front view of the utility model;

[0018] Figure 2 This is a schematic diagram of battery installation of the utility model;

[0019] Figure 3 This is a schematic diagram of the installation assembly structure of the utility model;

[0020] Figure 4 This is a bottom view of the box cover of the utility model;

[0021] Figure 5 This is a schematic diagram of the installation of the power box of the utility model.

[0022] In the figure: 1. box body; 101. reinforcing ribs; 2. battery; 3. heat dissipation channel; 4. box cover; 5. breathing valve; 6. sealing strip; 7. explosion-proof metal cable connector; 8. installation frame; 9. horizontal partition; 10. longitudinal partition; 11. battery pressure strip; 12. drain valve. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0025] In the description of this patent, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "setting" should be understood in a broad sense, for example, it can be fixed connection, setting, or detachable connection, setting, or integrated connection, setting. For ordinary technicians in this field, the specific meanings of the above terms in this patent can be understood according to specific circumstances.

[0026] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "several" is two or more, unless otherwise clearly and specifically defined.

[0027] Example

[0028] See also Figure 1-5 As shown, the utility model provides a technical solution for a power supply box applied to explosion-hazardous areas: it includes a box body 1, a mounting assembly for mounting a battery pack is installed inside the box body 1, a plurality of storage batteries 2 are installed inside the mounting assembly, a heat dissipation channel 3 is formed at the upper end of the mounting assembly of the storage battery 2, a box cover 4 is installed on the upper end of the storage battery 2 of the box body 1, a plurality of breathing valves 5 for discharging hydrogen and dissipating heat are installed on the lower end surface of the box body 1 and on the box cover 4, a certain circulation heat dissipation can be formed in the box body 1 to avoid heat accumulation, and a trace amount of hydrogen precipitated during high-current charging can be discharged from the box body 1 through the breathing valve 5 to prevent the risk of explosion caused by excessive residual hydrogen in the box body 1.

[0029] A sealing strip 6 is installed on one side of the box body 1 adjacent to the box cover 4. The box body 1 and the box cover 4 are fixed by a hexagonal nut. The top of the box cover 4 is integrally formed into a sloped top to avoid damage to the box body 1 due to respiration caused by temperature changes.

[0030] A plurality of explosion-proof metal cable connectors 7 for connecting the battery pack and the battery management system are installed at the upper end of one side of the box body 1 by opening through holes. A cable gland with a higher explosion-proof grade and IP grade than the box body 1 is selected to meet the cable access requirements, further improving the explosion-proof effect.

[0031] The installation assembly includes an installation frame 8, a plurality of transverse partitions 9, a longitudinal partition 10 and a battery pressure strip 11. The installation frame 8 is welded to the inside of the box body 1, the transverse partitions 9 are welded to the inside of the installation frame 8 at equal intervals, the longitudinal partitions 10 are welded to the inside of the installation frame 8 and are distributed vertically with the transverse partitions 9, and the battery pressure strip 11 is fixed to both sides of the upper end of the installation frame 8 by bolts to ensure that the battery 2 is fixed in the installation assembly to form a good whole. The battery 2 cannot move during movement.

[0032] The internal heat dissipation channel 3 is filled with flame retardant material with holes, which not only ensures ventilation requirements but also fixes the position of the battery.

[0033] A drain valve 12 is installed at the lower end of the box 1 , and one side of the box 1 is provided with a reserved hole for detecting temperature.

[0034] Several reinforcement ribs 101 are welded around the outer side of the box 1, which can effectively increase the overall strength of the box 1.

[0035] In this embodiment, a heat dissipation channel 3 is designed in the box body 1, and a gap of 8mm is used as the heat dissipation channel 3 of the battery 2. At the same time, three breathing valves 5 are arranged on the top of the box body 1, and a breathing valve 5 is arranged on the bottom. A certain circulation heat dissipation can be formed in the box body 1 to avoid heat accumulation. At the same time, the top of the box cover 4 is designed to be a sloped top, so that the trace hydrogen precipitated during high current charging can be discharged from the box body 1 through the breathing valve 5. At the same time, it also avoids the damage to the box body 1 caused by the respiration effect formed by temperature changes. The explosion-proof metal cable connector 7 of the box body 1 uses a higher explosion-proof level and IP level than the box body 1 to meet the cable access, and a mounting hole for temperature detection is reserved. The heat dissipation channel 3 of the battery 2 is filled with flame-retardant material with holes, which not only ensures the ventilation requirements, but also fixes the position of the battery 2. At the same time, two battery strips 11 are arranged on the top of the battery 2 to ensure that the battery 2 is fixed at a fixed interval to form a good whole, and the battery 2 cannot move during movement.

[0036] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A power supply box for use in explosion-hazardous areas, comprising a box body (1), characterized in that: The box body (1) is provided with a mounting assembly for mounting a battery pack, a plurality of storage batteries (2) are provided inside the mounting assembly, a heat dissipation channel (3) is provided on the upper end of the mounting assembly of the storage battery (2), the box body (1) is provided with a box cover (4) on the upper end of the storage battery (2), and a plurality of breathing valves (5) for discharging hydrogen and dissipating heat are provided on the lower end surface of the box body (1) and on the box cover (4).

2. A power supply box for use in explosion-hazardous areas according to claim 1, characterized in that: A sealing strip (6) is provided on one side of the box body (1) adjacent to the box cover (4); the box body (1) and the box cover (4) are fixed via a hexagonal nut; and the top of the box cover (4) is provided as a sloped top.

3. The power supply box for use in explosion-hazardous areas according to claim 1, characterized in that: A plurality of explosion-proof metal cable connectors (7) for connecting the battery pack and the battery management system are provided at the upper end of one side of the box body (1) by opening through holes.

4. The power supply box for use in explosion-hazardous areas according to claim 1, characterized in that: The installation assembly includes: An installation frame (8), wherein the installation frame (8) is arranged inside the box body (1); A plurality of transverse partitions (9), wherein the transverse partitions (9) are arranged at equal intervals inside the installation frame (8); A longitudinal partition (10), wherein the longitudinal partition (10) is arranged inside the installation frame (8) and is vertically distributed with the transverse partition (9); A battery pressure strip (11), wherein the battery pressure strip (11) is arranged on both sides of the upper end of the installation frame (8).

5. The power supply box for use in explosion-hazardous areas according to claim 1, characterized in that: A flame retardant material with holes is arranged inside the heat dissipation channel (3).

6. The power supply box for use in explosion-hazardous areas according to claim 1, characterized in that: A drain valve (12) is provided at the lower end of the box body (1), and a reserved hole for detecting temperature is provided on one side of the box body (1).

7. The power supply box for use in explosion-hazardous areas according to claim 1, characterized in that: The outer side surface of the box body (1) is surrounded by a plurality of reinforcing ribs (101).

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