CN112103805B

CN112103805B - Anti-creeping marine USB power box

Info

Publication number: CN112103805B
Application number: CN202010771062.8A
Authority: CN
Inventors: 毕文龙; 赵晓骏; 李智
Original assignee: Anqing Marine Electric Device Co ltd
Current assignee: Anqing Marine Electric Device Co ltd
Priority date: 2020-08-04
Filing date: 2020-08-04
Publication date: 2022-07-12
Anticipated expiration: 2040-08-04
Also published as: CN112103805A

Abstract

The invention relates to an anti-creeping marine USB power box which comprises a base and a box body fixedly arranged on the base, wherein the surface layers of the box body and the base are covered with insulating layers; the box body is of a cuboid structure with an opening at the bottom, jacks are distributed on the maximum side surface of the box body in a rectangular array manner, USB connectors are arranged in the jacks, an AC-DC module mainboard is fixedly arranged on the inner side wall of the box body far away from the jacks, and wires are arranged between the USB connectors and the AC-DC module mainboard and are electrically connected with the AC-DC module mainboard through the wires; the jacks are covered with protective covers, and the upper side edges of the protective covers are connected with the side wall of the box body; the relative confined USB power supply box of design can effectively avoid in the marine moisture gets into the box, and the protection casing of design and annular gasbag's structure on USB socket simultaneously can ensure that USB socket is all not invaded by steam when using and when the non-use, improves the security level of power supply box, avoids simultaneously foul etc. to get into in the jack.

Description

Anti-creeping marine USB power box

Technical Field

The invention belongs to the field of marine electric, in particular to the field of an anti-creeping marine USB power box.

Background

The marine USB power box is arranged on a ship and used for carrying out centralized installation and protection on electrical components of a ship electrical system; because the power box is used on a ship, the sea is large in wind and wave, the air is extremely humid, the moisture is large, the salt fog and the oil mist are heavy, the mildew easily grows and the like, in general, an open shell is adopted for heat dissipation, but the tightness is not good enough, the power box is easily affected with damp to cause dangerous accidents, the other part is used for protecting the electrical safety and avoiding electric leakage, a sealed structure is adopted, but a sealing mechanism in the shell limits the heat dissipation of components in the box, and the components are easily burnt by overheating; the jack of current USB exposes outside basically, does not have the closing cap, and the thing of getting into easily when not using is stopped up or gets into steam and causes the short circuit, and the security is than lower, also gets into salt fog, oil mist, steam through the jack easily moreover, and moist air has reduced the insulation grade of components and parts, and the components and parts performance influences greatly, and performance and security performance are low, the life-span is short, can't satisfy the marine environment and use, has increased the maintenance cost intangibly.

Disclosure of Invention

In order to solve the problems, the invention achieves the purposes through the following technical scheme:

an anti-creeping marine USB power box comprises a base and a box body fixedly arranged on the base, wherein the surface layers of the box body and the base are covered with insulating layers; the box body is of a cuboid structure with an opening at the bottom, jacks are distributed on the maximum side surface of the box body in a rectangular array manner, USB connectors are arranged in the jacks, an AC-DC module mainboard is fixedly arranged on the inner side wall of the box body far away from the jacks, and wires are arranged between the USB connectors and the AC-DC module mainboard and are electrically connected with the AC-DC module mainboard through the wires; all cover on the jack and be equipped with the protection casing, the last side and the box lateral wall of protection casing are connected, inlay on other three sides and are equipped with first magnetic stripe, the other second magnetic stripe that is equipped with of jack, first magnetic stripe and the mutual actuation of second magnetic stripe.

As a further optimization scheme of the invention, an annular air bag is further arranged between the protective cover and the jack, the annular air bag is extruded up and down to be flat, and one side of the annular air bag is fixedly connected with the outer side wall of the box body beside the jack.

As a further optimization scheme of the invention, the box body is also provided with a partition plate, the side edge of the partition plate is fixedly connected with the inner side wall of the box body, a plurality of through holes are distributed on the partition plate in an array manner, and the leads are tightly embedded in the through holes.

As a further optimization scheme of the invention, the base is provided with a first groove and a second groove, the first groove and the second groove are integrally in a shape of Chinese character ri, the bottom edge of the box body is embedded in the first groove, and the partition plate is embedded in the second groove.

As a further optimization scheme of the invention, the drying rods are horizontally and uniformly arranged on one side wall of the partition plate close to the jacks.

As a further optimization scheme of the invention, a heat dissipation cavity is arranged outside the top of the box body, an air outlet is arranged on the side wall of the heat dissipation cavity, heat dissipation holes are arranged on the top of one side, close to the AC-DC module mainboard, in the box body, and the heat dissipation holes are communicated with the heat dissipation cavity.

As a further optimization scheme of the invention, the heat dissipation cavity is internally provided with inclined baffles, and the baffles are uniformly provided with drying rods.

The invention has the beneficial effects that:

1) the relatively closed USB power box designed in the invention can effectively prevent moisture on the sea from entering the box body, and meanwhile, the structures of the protective cover and the annular air bag designed on the USB socket can ensure that the USB socket is not invaded by water vapor when in use and not in use, thereby improving the safety level of the power box and simultaneously preventing dirt and the like from entering the jacks.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic cross-sectional view of a power supply box according to the present invention;

FIG. 3 is an enlarged, fragmentary, schematic view at A of FIG. 2 of the present invention;

FIG. 4 is a schematic top view of the base of the present invention;

FIG. 5 is a schematic view showing the construction of the annular bladder of the present invention;

in the figure: 1. a base; 11. a first groove; 12. a second groove; 2. a box body; 21. a jack; 22. a USB connector; 23. an AC-DC module main board; 24. a wire; 25. a second magnetic stripe; 26. a partition plate; 261. a through hole; 27. heat dissipation holes; 3. a protective cover; 31. a first magnetic stripe; 4. an annular air bag; 5. drying the rod; 6. a heat dissipation cavity; 61. an air outlet; 62. and a baffle plate.

Detailed Description

The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.

As shown in fig. 1 to 5, the anti-creeping marine USB power box is composed of a base 1 and a box body 2 fixed on the base 1, wherein, in order to prevent the creepage of the power box, the surface layers of the box body 2 and the base 1 are covered with insulating layers to play a role of insulating protection;

the box body 2 is integrally of a hollow cuboid structure, and the bottom of the box body is open; jacks 21 are distributed on the largest side surface of the box body 2 in a rectangular array, a USB connector 22 is fixedly arranged in each jack 21, an AC-DC module mainboard 23 is fixedly arranged on the inner side wall of the box body 2 far away from the jacks 21, and the AC-DC module mainboard has the same function as a USB plugboard in the prior art and is used for converting 220V voltage into direct current 5V voltage; in addition, a wire 24 is arranged between the USB connector 22 and the AC-DC module motherboard 23, and the USB connector 22 is electrically connected to the AC-DC module motherboard 23 through the wire 24;

further, a partition 26 is further arranged in the box body 2, the bottom of the partition is in close contact with the base, the other three side edges of the partition 26 are fixedly connected with the inner side wall of the box body 2, a plurality of through holes 261 are distributed on the partition 26 in an array manner, and the lead 24 passes through the through holes 261, namely, the lead 24 is tightly embedded in the through holes 261; by adopting the structure, the box body can be divided into two cavities, and the AC-DC module mainboard 23 and the USB connector 22 are respectively arranged in the two cavities, so that the long-time invasion of moisture to the AC-DC module mainboard is reduced;

in order to prevent the USB connector from being easily blocked or entering water vapor to cause short circuit when the USB connector is not used, the jacks 21 are respectively covered with the protective cover 3, the upper end part of the protective cover 3 is connected with the side wall of the box body 2, the other three side edges are provided with the first magnetic strips 31, and the second magnetic strips 25 are arranged beside the jacks 21; when the jack is not used, the first magnetic strip 31 on the protective cover and the second magnetic strip 25 of the box body are mutually attracted, so that the protective cover is tightly attached to the side wall of the box body;

preferably, an annular air bag 4 can be arranged between the protective cover 3 and the insertion hole 21, the annular air bag 4 is extruded up and down to be flat, the center of the annular air bag is in a line, and one side of the annular air bag 4 is fixedly connected with the outer side wall of the box body 2 beside the insertion hole 21; when the USB power supply is used, the USB plug firstly penetrates through the center of the inner ring of the annular air bag and then is inserted into the jack 21, and at the moment, the inner ring of the annular air bag is in close contact with the USB plug from top to bottom, so that the phenomenon that water vapor enters the power box as much as possible when the USB power supply is used can be guaranteed, and the safety level of the power box is guaranteed;

in addition, a first groove 11 and a second groove 12 are arranged on the base 1, the first groove 11 and the second groove 12 are integrally in a shape of Chinese character ri, the bottom edge of the box body 2 is embedded in the first groove 11, and the partition plate 26 is embedded in the second groove 12; meanwhile, a drying rod 5 is horizontally and uniformly arranged on one side wall of the partition plate 26 close to the insertion hole 21;

further, although the above closed structure can effectively protect the power box and the jacks, when most of the jacks on the USB interface are in operation, the AC-DC module motherboard 23 arranged in the box can continuously dissipate heat, in order to prevent heat accumulation and influence the working performance of the power box, the heat dissipation cavity 6 may be arranged outside the top of the box 2, the sidewall of the heat dissipation cavity 6 is provided with an air outlet 61, the top of the side of the box 2 close to the AC-DC module motherboard 23 is provided with a heat dissipation hole 27, and the heat dissipation hole 27 is communicated with the heat dissipation cavity 6; an inclined baffle 62 is arranged in the heat dissipation cavity 6, and drying rods 5 are uniformly distributed on the baffle 62; therefore, the heat dissipation performance can be realized, and the heat can directly enter the power box to a certain degree;

the drying rod 5 adopted here is a permanent-comfortable drying rod, a calcium chloride drying agent is arranged in the drying rod, the calcium chloride drying agent is a high-efficiency adsorption material, and the main components are calcium chloride and colloidal starch. The water molecules and the calcium chloride are chemically reacted in a chemical way, so that moisture is absorbed from the surrounding environment and is converted into gel, the adsorption effect is achieved, and any possibility of leakage is completely eliminated; common silica gel desiccant can only absorb 10% -27% of the weight of the silica gel desiccant, and calcium chloride desiccant can reach 300%; the moisture absorption rate is 8-15 times of that of the common drying agent; and after completely absorbing moisture, does not evaporate; after the common drying agent absorbs moisture, when the drying agent encounters high temperature, water vapor can evaporate and enter the air again, and the calcium chloride drying agent can fuse the water vapor and calcium chloride into a colloid and is not easy to evaporate; can be used at the ambient temperature of-5 ℃ to 90 ℃. The calcium chloride desiccant has the active ingredients, is good in stability, is difficult to react with other substances except water, and can be used in almost all marine environments; the problem caused by wetting is fundamentally solved.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.

Claims

1. The utility model provides a marine USB power supply box of anticreep which characterized in that: the device comprises a base (1) and a box body (2) fixedly arranged on the base (1), wherein insulating layers are covered on the surface layers of the box body (2) and the base (1); the box body (2) is of a cuboid structure with an opening at the bottom, jacks (21) are distributed on the largest side surface of the box body (2) in a rectangular array manner, USB connectors (22) are arranged in the jacks (21), an AC-DC module mainboard (23) is fixedly arranged on the inner side wall of the box body (2) far away from the jacks (21), and a lead (24) is arranged between the USB connectors (22) and the AC-DC module mainboard (23) and is electrically connected with the AC-DC module mainboard (23) through the lead (24); the protective cover (3) covers the jack (21), the upper side edge of the protective cover (3) is connected with the side wall of the box body (2), the first magnetic strip (31) is embedded on the other three side edges, the second magnetic strip (25) is arranged beside the jack (21), and the first magnetic strip (31) and the second magnetic strip (25) are attracted with each other;

an annular air bag (4) is further arranged between the protective cover (3) and the insertion hole (21), the annular air bag (4) is extruded up and down to be flat, and one side of the annular air bag (4) is fixedly connected with the outer side wall of the box body (2) beside the insertion hole (21);

a partition plate (26) is further arranged in the box body (2), the side edge of the partition plate (26) is fixedly connected with the inner side wall of the box body (2), a plurality of through holes (261) are distributed in the partition plate (26) in an array mode, and the lead (24) is tightly embedded in the through holes (261); a drying rod (5) is horizontally and uniformly arranged on one side wall of the partition plate (26) close to the insertion hole (21);

a first groove (11) and a second groove (12) are formed in the base (1), the first groove (11) and the second groove (12) are integrally in a shape of Chinese character ri, the bottom edge of the box body (2) is embedded in the first groove (11), and the partition plate (26) is embedded in the second groove (12);

a heat dissipation cavity (6) is arranged outside the top of the box body (2), an air outlet (61) is formed in the side wall of the heat dissipation cavity (6), heat dissipation holes (27) are formed in the top of one side, close to the AC-DC module main board (23), of the box body (2), and the heat dissipation holes (27) are communicated with the heat dissipation cavity (6);

the heat dissipation device is characterized in that an inclined baffle (62) is arranged in the heat dissipation cavity (6), and drying rods (5) are uniformly distributed on the baffle (62).