CN114094533A

CN114094533A - Liquid cooling heat dissipation cable joint protection box

Info

Publication number: CN114094533A
Application number: CN202111202304.2A
Authority: CN
Inventors: 李明
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-15
Filing date: 2021-10-15
Publication date: 2022-02-25

Abstract

The invention discloses a liquid cooling heat dissipation cable joint protection box, which belongs to the technical field of cable protection boxes and is characterized in that a layer of protection lining is arranged inside a heat dissipation cover in a shell, transformer oil is filled inside the heat dissipation cover, the safety of a cable joint is improved by utilizing the insulativity of the transformer oil, a damping ball is arranged between the protection lining and the heat dissipation cover, a rubber spring in the damping ball is utilized to absorb the vibration of a cable in work, and the damping ball is matched with a flow guide hole in the damping ball and a convection hole in the protection lining, so that the transformer oil can rapidly flow under the vibration extrusion, the heat dissipation efficiency is improved, when the cable joint generates gas due to high temperature caused by short circuit, a pressure relief valve is utilized to release high-pressure gas, and the safety is further improved.

Description

Liquid cooling heat dissipation cable joint protection box

Technical Field

The invention relates to the technical field of cable protection boxes, in particular to a liquid cooling heat dissipation cable joint protection box.

Background

After the cable is laid, each section of the cable must be connected into a whole in order to form a continuous line, the connection points are called cable connectors, the cable connector in the middle of the cable line is called an intermediate connector, the cable connectors at two ends of the line are called terminal connectors, and the cable connectors are used for locking and fixing incoming and outgoing lines and play a role in water resistance, dust resistance and vibration resistance.

Modern society's rapid development, the important degree of cable is increasing day by day, because cable joint department is comparatively fragile, receives the vibrations that the vehicle travel produced or the vibrations that the air current blows the production lead to cable joint to produce not hard up easily in the use, and then makes the entering of external moisture cause the trouble, and simultaneously, cable joint department resistance is great produces high temperature easily and leads to the short circuit, influences people's life work activity.

Therefore, the liquid cooling heat dissipation cable joint protection box is provided to effectively solve the problems in the prior art.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the invention aims to provide a liquid-cooled heat dissipation cable joint protection box, transformer oil is filled in a heat dissipation cover, the safety of a cable joint is improved by utilizing the insulativity of the transformer oil, the transformer oil can rapidly flow under vibration extrusion by utilizing a rubber spring in a damping ball, the heat dissipation efficiency is improved, when the transformer oil is decomposed to generate gas due to high temperature generated by short circuit of the cable joint, high-pressure gas is released by utilizing a pressure release valve, the safety is further improved, the heat dissipation efficiency is further improved by utilizing a heat dissipation sheet, the sealing performance is improved by arranging sealing flaps at two ends of a shell, the safety is improved, and the service life of a cable is prolonged.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

The utility model provides a liquid cooling heat dissipation cable joint protection box, a pair of casing that is equipped with including cable joint and the left and right sides, both ends all with cable zonulae occludens about the casing, be the heat exchanger that looses in the middle of the casing, the inside lining that corresponds with the heat exchanger position that looses that is equipped with of casing, the equidistance is equipped with a plurality of convection holes on the inside lining, a plurality of shock attenuation convection balls of protection inside lining outer wall and the heat exchanger inner wall fixedly connected with of loosing, shock attenuation convection ball includes shock attenuation ball and the inside rubber spring that is equipped with, the shock attenuation ball outer wall is equipped with a plurality of water conservancy diversion holes, the inside packing of heat exchanger has transformer oil, both ends are equipped with a pair of pressure relief room about the heat exchanger that looses, the equal annular in heat exchanger both ends is equipped with a plurality of relief valves, the pressure relief valve runs through the heat exchanger lateral wall and extends to inside the pressure relief room.

Furthermore, the inside cavity that is equipped with of shock attenuation ball, the cavity is inside to be filled with the hybrid particle of silica gel and active carbon.

Further, the pressure release chamber is filled with porous sponge, and the lateral wall equidistance of pressure release chamber is equipped with a plurality of exhaust holes, and the exhaust hole tip is equipped with the buffering net.

Furthermore, a plurality of radiating fins are annularly and equidistantly arranged on the outer wall of the radiating cover and are made of heat-conducting silica gel materials.

Further, the fin sets up along the cable direction, and the fin outer wall obtains smooth surface through the processing of polishing.

Furthermore, a plurality of grooves are formed in one side, close to the cable connector, of the two ends of the shell, sealing flaps are arranged inside the grooves and comprise extrusion layers on the outer side and sealing layers on the inner side of the extrusion layers.

Furthermore, the extrusion layer is made of water-absorbing expansion rubber strip materials, and the size of the extrusion layer is matched with that of the groove.

Furthermore, the sealing layer is made of a hydrophobic and oleophobic material, and one side of the sealing layer, which is close to the cable joint, is subjected to corrosion treatment to obtain a rough surface.

Furthermore, the inner wall of the heat dissipation cover is provided with an oil drainage layer, and the outer wall of the cable joint is also provided with an oil drainage layer.

Furthermore, a plurality of fixing rings are arranged on one side, close to each other, of the pair of shells and fixedly connected through bolts.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

(1) this scheme is through the inside one deck protection inside lining that sets up of heat exchanger in the casing, and at the inside transformer oil that fills of heat exchanger, the insulating nature of utilizing transformer oil has improved cable joint's security, set up the shock attenuation ball between protection inside lining and heat exchanger, utilize the rubber spring among the shock attenuation ball to absorb the vibrations that the cable received at work, the last water conservancy diversion hole of cooperation shock attenuation ball and the convection hole on the protection inside lining, make transformer oil can flow fast under the vibrations extrusion, the radiating efficiency has been improved, when cable joint produces high temperature because the short circuit makes transformer oil decompose and produce gas, utilize the relief valve to release high-pressure gas, the security has further been improved.

(2) This scheme is equipped with the cavity through the shock attenuation ball inside, and the inside packing of cavity has the mixed granule of silica gel and active carbon, utilizes the hydroscopicity of silica gel to permeate in the inside moisture absorption of casing, effectively reduces the erosion of moisture to the cable, utilizes active carbon adsorption transformer oil simultaneously because high temperature aging produces fatlute, has reduced fatlute to radiating hindrance effect, has effectively improved the radiating effect.

(3) The indoor portion of pressure release in this scheme is filled with porous sponge, and pressure release chamber lateral wall equidistance is equipped with a plurality of exhaust holes, and the exhaust hole tip is equipped with the buffering net, utilizes porous sponge to absorb relief valve spun high temperature transformer oil, has effectively avoided high temperature transformer oil to hurt near personnel, has improved the security, and the buffering net can effectively slow down high temperature gas spun speed, has further improved the security.

(4) The cooling fin in this scheme outer wall annular equidistance of cooling jacket is equipped with a plurality of fin, and the fin adopts heat conduction silica gel material to make, and the fin sets up along the cable direction, and the fin outer wall obtains smooth surface through the processing of polishing, utilizes the area of contact of fin increase and air, has improved the radiating efficiency, and the fin that sets up along the cable direction can reduce the resistance to ground when dragging the cable.

(5) Casing both ends in this scheme are close to cable joint one side and all are equipped with a plurality of recesses, the inside sealing lamella that is equipped with of recess, the sealing lamella includes the extrusion layer in the outside and inboard sealing layer, the extrusion layer adopts the water-absorbing expansion adhesive tape material to make, and its size and recess looks adaptation, the sealing layer adopts the hydrophobic oleophobic material of water to make, and it is close to cable joint one side and obtains rough surface through corrosion treatment, the water-absorbing expansion adhesive tape water-swelling's of utilization characteristic makes sealing layer and cable joint contact more closely, the leakproofness is improved, transformer oil's the leakage and the entering of outside moisture have effectively been reduced.

(6) The heat exchanger inner wall in this scheme is equipped with dredges the oil reservoir, and the cable joint outer wall is equipped with equally and dredges the oil reservoir, utilizes to dredge oily layer and can effectively avoid the transformer oil adhesion in same position, has accelerated the flow of transformer oil, has improved the radiating efficiency.

Drawings

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

FIG. 2 is an exploded view of the main structure of the present invention;

FIG. 3 is a schematic view of a partial cross-sectional structure of a main body according to the present invention;

FIG. 4 is a schematic view of the housing structure of the present invention;

FIG. 5 is a schematic view of the protective liner of the present invention;

FIG. 6 is a schematic view of the structure of the damping convection ball of the present invention;

FIG. 7 is a schematic cross-sectional view of the main body of the present invention;

FIG. 8 is a schematic cross-sectional view of the main structure of the present invention in a normal state;

FIG. 9 is a schematic cross-sectional view of a sealing flap of the present invention;

FIG. 10 is a schematic sectional view of the main structure of the present invention at a high temperature.

The reference numbers in the figures illustrate:

the structure comprises a shell 1, a protective inner liner 101, a pressure relief valve 102, a pressure relief chamber 103, a heat radiating fin 104, a heat radiating cover 105, a damping convection ball 2, a damping ball 21, a rubber spring 22, a sealing flap 3, a pressing layer 31, a sealing layer 32, a fixing ring 4 and a bolt 401.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred 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 present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the connection can be direct connection or indirect connection through an intermediate medium, and can be communication inside the model adapting element. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-6, a liquid cooling heat dissipation cable joint protection box comprises a cable joint and a pair of shells 1 arranged on the left and right sides of the cable joint, the left and right ends of the shells 1 are tightly connected with a cable, a heat dissipation cover 105 is arranged in the middle of the shells 1, transformer oil is filled in the heat dissipation cover 105, a protection lining 101 corresponding to the heat dissipation cover 105 is arranged in the shells 1, a plurality of convection holes are equidistantly arranged on the protection lining 101, a plurality of shock absorption convection balls 2 are fixedly connected to the outer wall of the protection lining 101 and the inner wall of the heat dissipation cover 105, each shock absorption convection ball 2 comprises a shock absorption ball 21 and a rubber spring 22 arranged in the shock absorption ball 21, a plurality of flow guide holes are arranged on the outer wall of the shock absorption ball 21, a cavity is arranged in the shock absorption ball 21, and mixed particles of silica gel and activated carbon are filled in the cavity, so as to absorb moisture permeating into the shells 1 and effectively reduce erosion of the cable, meanwhile, the activated carbon is used for adsorbing the oil sludge generated by the transformer oil due to high-temperature aging, so that the blocking effect of the oil sludge on heat dissipation is reduced, and the heat dissipation effect is effectively improved.

Referring to fig. 7-8, a pair of pressure relief chambers 103 are disposed at left and right ends of the heat dissipation cover 105, a plurality of pressure relief valves 102 are annularly disposed at both ends of the heat dissipation cover 105, the pressure relief valves 102 penetrate through a sidewall of the heat dissipation cover 105 and extend into the pressure relief chambers 103, porous sponge is filled in the pressure relief chambers 103, a plurality of exhaust holes are equidistantly disposed on a sidewall of the pressure relief chambers 103, and buffer nets are disposed at end portions of the exhaust holes.

The heat dissipation cover 105 is provided with a plurality of heat dissipation fins 104 in an annular equidistant manner on the outer wall, the heat dissipation fins 104 are made of a heat-conducting silica gel material, the heat dissipation fins 104 are arranged along the cable direction, the outer wall of the heat dissipation fins 104 is polished to obtain a smooth surface, the contact area between the heat dissipation fins 104 and air is increased, the heat dissipation efficiency is improved, and the resistance to the ground when the cable is pulled can be reduced by the heat dissipation fins 104 arranged along the cable direction.

Referring to fig. 9, a plurality of grooves are formed in both ends of the housing 1 near the cable connector, sealing flaps 3 are arranged inside the grooves, each sealing flap 3 includes an outer extrusion layer 31 and an inner sealing layer 32, the extrusion layer 31 is made of water-absorbing expansion adhesive tape material, the size of the extrusion layer is matched with that of the groove, the sealing layers 32 are made of hydrophobic and oleophobic material, a rough surface is obtained by corrosion treatment on one side of the sealing layer near the cable connector, the sealing layers 32 are contacted with the cable connector more closely by using the characteristic that the water-absorbing expansion adhesive tape expands when contacting with water, the sealing performance is improved, and leakage of transformer oil and entrance of external moisture are effectively reduced.

What need supply here is, heat exchanger 105 inner wall is equipped with and dredges the oil reservoir, and the cable joint outer wall is equipped with and dredges the oil reservoir equally, utilizes and to dredge the oil reservoir and can effectively avoid the transformer oil adhesion in same position, has accelerated the flow of transformer oil, has improved the radiating efficiency, and a pair of casing 1 is close to one side each other and is equipped with a plurality of solid fixed rings 4, and solid fixed ring 4 passes through bolt 401 fixed connection.

Referring to fig. 10, when a cable load is large, a short circuit occurs at a joint to generate a large amount of heat, so that gas is generated by transformer oil due to pyrolysis, the internal pressure of the protection box is increased, when the pressure reaches a threshold value of the pressure release valve, the pressure release valve 102 releases the high-temperature gas outwards, and the transformer oil doped in the high-temperature gas is absorbed by the porous sponge in the pressure release chamber 103, so that the high-temperature transformer oil is prevented from harming nearby personnel, and the high-temperature gas is buffered by the buffer net, so that the safety is further improved.

The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a liquid cooling heat dissipation cable joint protection box, includes a pair of casing (1) that cable joint and left and right sides were equipped with, its characterized in that: the left end and the right end of the shell (1) are both tightly connected with the cable, the middle of the shell (1) is provided with a heat dissipation cover (105), a protective lining (101) corresponding to the heat dissipation cover (105) is arranged in the shell (1), a plurality of convection holes are equidistantly arranged on the protective lining (101), a plurality of shock absorption convection balls (2) are fixedly connected with the outer wall of the protective lining (101) and the inner wall of the heat dissipation cover (105), the damping convection ball (2) comprises a damping ball (21) and a rubber spring (22) arranged in the damping convection ball, the outer wall of the damping ball (21) is provided with a plurality of flow guide holes, the heat dissipation cover (105) is filled with transformer oil, a pair of pressure relief chambers (103) are arranged at the left end and the right end of the heat dissipation cover (105), a plurality of pressure relief valves (102) are annularly arranged at both ends of the heat dissipation cover (105), the pressure relief valve (102) penetrates through the side wall of the heat dissipation cover (105) and extends into the pressure relief chamber (103).

2. The liquid-cooled heat dissipation cable joint protection box of claim 1, wherein: the shock attenuation ball (21) is inside to be equipped with the cavity, the cavity is inside to be filled with the hybrid particle of silica gel and active carbon.

3. The liquid-cooled heat dissipation cable joint protection box of claim 1, wherein: porous sponge is filled in the pressure relief chamber (103), a plurality of exhaust holes are arranged on the side wall of the pressure relief chamber (103) at equal intervals, and a buffer net is arranged at the end part of each exhaust hole.

4. The liquid-cooled heat dissipation cable joint protection box of claim 1, wherein: the heat dissipation cover (105) outer wall annular equidistance is equipped with a plurality of fin (104), fin (104) adopt heat conduction silica gel material to make.

5. The liquid-cooled heat dissipation cable joint protection box of claim 4, wherein: the radiating fins (104) are arranged along the cable direction, and the outer walls of the radiating fins (104) are polished to obtain smooth surfaces.

6. The liquid-cooled heat dissipation cable joint protection box of claim 1, wherein: casing (1) both ends are close to cable joint one side and all are equipped with a plurality of recesses, recess inside is equipped with sealing lamella (3), sealing lamella (3) are including extrusion layer (31) in the outside and inboard sealing layer (32) thereof.

7. The liquid-cooled heat dissipation cable joint protection box of claim 6, wherein: the extrusion layer (31) is made of water-absorbing expansion rubber strip materials, and the size of the extrusion layer is matched with that of the groove.

8. The liquid-cooled heat dissipation cable joint protection box of claim 6, wherein: the sealing layer (32) is made of a hydrophobic and oleophobic material, and one side of the sealing layer, which is close to the cable joint, is subjected to corrosion treatment to obtain a rough surface.

9. The liquid-cooled heat dissipation cable joint protection box of claim 1, wherein: the inner wall of the heat dissipation cover (105) is provided with an oil drainage layer, and the outer wall of the cable joint is also provided with an oil drainage layer.

10. The liquid-cooled heat dissipation cable joint protection box of claim 1, wherein: the shell (1) is provided with a plurality of fixing rings (4) on one side close to each other, and the fixing rings (4) are fixedly connected through bolts (401).