Generator cooling tube set and cooling medium

Abstract

The application provides a generator cooling pipe group and a cooling medium, and belongs to the field of generator heat dissipation. In particular, the application relates to a heat dissipation pipe group for cooling the inside of a generator. The heat dissipation pipe group comprises a main pipe and a flow guide pipe penetrating through the main pipe, the flow guide pipe extends radially along the main pipe and corresponds to the penetration, the two ends of the main pipe are provided with connecting assemblies, the two ends of the main pipe are correspondingly provided with limiting rings, the limiting rings and the side wall of the main pipe form an annular groove, a sealing ring is arranged on the main pipe and abuts against the end surface of the limiting ring, an end connecting sleeve is arranged on the main pipe and abuts against the limiting ring, the inner wall of the end connecting sleeve is provided with internal threads, the flow guide pipe is a penetrating channel formed by the extension of the side wall of the main pipe, the side wall of the main pipe is correspondingly punched and stretched inward to form a first inner guide pipe, the first inner guide pipe is along the diameter of the main pipe, a second guide pipe is arranged on the side wall of the main pipe, the flow guide pipe is provided with a variable diameter, the flow rate of the formed airflow is changed, and the airflow flow rate blows and dissipates heat at the pipe opening.

Description

TECHNICAL FIELD

[0001] The application provides a generator cooling pipe group and a cooling medium, and belongs to the field of generator heat dissipation. BACKGROUND

[0002] At present, in the prior art, the cooler generally comprises a fan, a ventilation cabinet and a heat exchange pipe, the cooler is installed on the generator, the internal air path of the cooler is communicated with the inner cavity of the generator, in order to improve the heat dissipation effect, the existing cooler often takes some measures, that is, the number of cooling pipes is increased to increase the heat exchange speed, but the volume of the cooler becomes large, and the centrifugal fan installed on the upper part of the cooler has a certain height, so that the heat exchange effect is relatively slow.

[0003] Publication No. CN212752042U discloses a generator cooler, which comprises a cooler body, a fan and a protective mesh cover, the cooler body comprises a machine body and a fixing seat installed below the machine body, the lower end of the machine body is communicated with an extension shell, the extension shell comprises a fixed pipe at the lower end, the fixed pipe is externally sleeved with a limiting ring, the extension shell is communicated with the machine body, and a heat exchange pipe is screwed at the communicated position, both sides of the upper part of the machine body are embedded with fixed heat dissipation meshes, a heat dissipation assembly is installed at the upper end of the heat dissipation meshes, a semiconductor refrigeration piece is arranged on the upper wall in the inner cavity of the machine body, at least one ventilation opening is formed in the upper end of the machine body, and the fan and the protective mesh cover are coaxially fixed on the machine body above and below the ventilation opening. In the above structure, the pipe body structure is single, and cannot form a water vapor double-channel cooling arrangement. SUMMARY

[0004] The application provides a generator cooling pipe group and a cooling medium, which provides a pipe group structure that can form cooling by arranging a flow guide pipe penetrating in the radial direction on the main pipe to circulate air flow. The structure is simple and convenient to use.

[0005] The application discloses a generator cooling pipe group, which comprises a main pipe and a flow guide pipe penetrating through the main pipe, the flow guide pipe extends radially along the main pipe and corresponds to the penetration, connecting assemblies are arranged at the two ends of the main pipe, limit rings are arranged at the two ends of the main pipe correspondingly, annular grooves are formed between the limit rings and the side walls of the main pipe, sealing rings are arranged on the main pipe and abut against the upper end surfaces of the limit rings, end connecting sleeves are arranged on the upper and lower ends of the main pipe and abut against the lower end surfaces of the limit rings correspondingly, internal threads are arranged on the inner walls of the end connecting sleeves, the flow guide pipe comprises a penetrating channel formed by extending the side wall of the main pipe, the penetrating channel is composed of a first inner guide pipe and a second guide pipe, the first inner guide pipe is formed by punching and stretching the side wall of the main pipe inward correspondingly, the second guide pipe is arranged on the side wall of the main pipe and extends outward, the second guide pipe corresponds to the first inner guide pipe and the first inner guide pipe is arranged in the second guide pipe in a lapping mode, the first inner guide pipe and the second guide pipe are sealed, the second guide pipe is a variable-diameter pipe and the end thereof is a straight pipe, and the flow guide pipe is arranged in a spiral mode.

[0006] The second guide pipe penetrates through the main pipe and is fastened and connected with the main pipe through a screw sleeve.

[0007] The main pipe is a copper pipe structure, the first inner guide pipe is arranged in a variable-diameter mode and is arranged in the main pipe in a small-diameter end mode.

[0008] The second guide pipe is welded and sealed with the main pipe and is provided with a sealing gasket correspondingly on the inner wall of the main pipe and is arranged on the main pipe in a lapping mode.

[0009] The first inner guide pipe is formed by punching and stretching and is formed by extending and pressing the main pipe through heating.

[0010] The main pipe is a plastic pipe, the first inner guide pipe is arranged on the main pipe in a hot melting mode and extends through the main pipe, the first inner guide pipe and the second guide pipe are the same plastic pipe and are arranged in a sealed mode.

[0011] Further, the main pipe is a plastic pipe, the first inner guide pipe and the second guide pipe are copper pipes and are arranged in the main pipe in a corresponding melting and embedding mode.

[0012] In use, the main pipe is connected through the end connecting sleeves at the two ends of the main pipe, is arranged in a sealed mode through the limit rings and the sealing rings at the ends, a cooling medium is introduced into the main pipe through the pipe body, the first inner guide pipe and the second guide pipe arranged on the side wall of the main pipe are arranged in the cooling medium correspondingly, heat exchange is formed through the cooling medium, the penetrating channel formed by the first inner guide pipe and the second guide pipe penetrates external heat and forms cooling exchange, and the purpose of cooling is achieved.

[0013] The generator cooling medium is arranged in the main pipe, the cooling medium comprises a hexafluoropropylene dimer and a perfluorohexane mixed solution, the mixed solution is in a proportion of 1:1-5, the mixed solution and 1,3-dichlorohexafluoropropane are mixed in a proportion of 1:0.1;

[0014] The cooling medium is mixed and emulsified, the mixing temperature is 50-80 DEG C, and the mixing rotating speed is 100-180 r / min;

[0015] Further, the hexafluoropropylene dimer, the perfluorohexane and the 1,3-dichlorohexafluoropropane are mixed in proportions of 45%-48%, 45%-48% and 2%-10% respectively.

[0016] Further, the hexafluoropropylene dimer, the perfluorohexane and the 1,3-dichlorohexafluoropropane are mixed in proportions of 45%-48%, 45%-48% and 2%-10% respectively.

[0017] Beneficial effects:

[0018] I. The cooling medium can form rapid heat exchange, and the heat exchange area is increased by the flow guide pipe;

[0019] II. The flow guide pipe is arranged in a variable-diameter mode, the flow velocity of the air flow is changed, and the air flow velocity blowing and dispersing heat is formed at the pipe opening.

[0020] III. The structure is simple, and the use is convenient. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a perspective view of the generator cooling pipe group of the present application.

[0022] Figure 2 It is a structural schematic view of the generator cooling pipe group of the present application.

[0023] Figure 3 It is a top view of the generator cooling pipe group of the present application.

[0024] Figure 4 It is a structural schematic view of the branch pipe of the generator cooling pipe group of the present application.

[0025] IN THE DRAWINGS:

[0026] 1, end connecting sleeve; 2, main pipe; 3, through channel; 4, flow guide pipe; 5, sealing ring; 6, limiting ring; 7, first inner guide pipe; 8, second guide pipe; 9, screw sleeve; 10, sealing gasket. DETAILED DESCRIPTION

[0027] The present application is further described below in combination with the drawings.

[0028] Example 1:

[0029] according to Figures 1-4 As shown: The generator cooling pipe assembly of the present invention is implemented as follows: The generator cooling pipe assembly of the present invention includes a main pipe 2 and a guide pipe 4 that penetrates the main pipe 2. The guide pipe 4 extends radially along the main pipe 2 and penetrates it. Connecting components are provided at both ends of the main pipe 2. Limiting rings 6 are provided at both ends of the main pipe 2. The limiting rings 6 and the sidewall of the main pipe 2 form an annular groove. A sealing ring 5 is fitted on the main pipe 2 and abuts against the end face of the limiting ring 6. An end connecting sleeve 1 is fitted on the main pipe 2 and abuts against the limiting ring 6. The inner wall of sleeve 1 is provided with internal threads. The guide tube 4 is a through channel 3 formed by extending the side wall of the main tube 2. The side wall of the main tube 2 is punched and stretched inward to form a first inner guide tube 7. The first inner guide tube 7 is along the diameter of the through main tube 2. The second guide tube 8 is placed on the side wall of the main tube 2 and extends outward. The second guide tube 8 corresponds to the first inner guide tube 7, and the opening of the first inner guide tube 7 overlaps and is placed inside the second guide tube 8. The first inner guide tube 7 and the second guide tube 8 are sealed together. The second guide tube 8 is a variable diameter tube and the end is a straight tube. The guide tube 4 is distributed along a spiral.

[0030] The second conduit 8 passes through the main body tube 2 and is fastened to the main body tube 2 by a screw sleeve 9;

[0031] The main tube 2 is a copper tube structure, and the first inner guide tube 7 is a variable diameter setting, with the smaller diameter end located inside the main tube 2;

[0032] The second conduit 8 and the main tube 2 are welded and sealed, and a sealing gasket 10 is provided corresponding to the inner wall of the main tube 2. The sealing gasket 10 is attached to the main tube 2.

[0033] The first inner conduit 7 is formed by stamping and stretching, and the main body tube 2 is formed by heating and pressing.

[0034] The main tube 2 is made of plastic tube material. The first inner conduit 7 is hot-melted and placed on the main tube 2 and extends through the main tube 2. The first inner conduit 7 and the second conduit 8 are the same plastic tube and are sealed with the main tube 2.

[0035] Furthermore, the main tube 2 is a plastic tube, and the first inner conduit 7 and the second conduit 8 are copper tubes, which are correspondingly fused and embedded in the main tube 2;

[0036] In use, the main tube 2 is connected by the end connecting sleeves 1 at both ends of the main tube 2. The end limiting rings 6 and sealing rings 5 ​​are used for sealing. The cooling medium is introduced into the main tube 2 through the tube body. The first inner conduit 7 and the second conduit 8 set on the side wall of the main tube 2 are immersed in the cooling medium. Heat exchange is formed through the cooling medium. The through channel 3 formed by the first inner conduit 7 and the second conduit 8 allows external heat to pass through, forming a cooling exchange and achieving the purpose of cooling.

[0037] The present invention discloses a generator cooling medium placed in the main body tube 2. The cooling medium includes a mixed solution of hexafluoropropylene dimer and perfluorohexane, wherein the ratio of the mixed solution is 1:1 to 5, and the above mixed solution is mixed with 1,3-dichlorohexafluoropropane at a ratio of 1:0.1.

[0038] The cooling medium is mixed and emulsified at a mixing temperature of 50℃-80℃ and a mixing speed of 100r / min-180r / min.

[0039] Example 2:

[0040] The mixture comprises 45%-48% hexafluoropropylene dimer, 45%-48% perfluorohexane, and 2%-10% 1,3-dichlorohexafluoropropane.

[0041] Example 3:

[0042] The mixing temperature of the hexafluoropropylene dimer, perfluorohexane, and 1,3-dichlorohexafluoropropane is 55℃-60℃. The hexafluoropropylene dimer and perfluorohexane are mixed first, and after the mixture is homogeneous, 1,3-dichlorohexafluoropropane is added.

[0043] The present invention and its embodiments have been described above. This description is not restrictive, and the accompanying drawings are only one embodiment of the present invention; the actual structure is not limited thereto. In conclusion, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the spirit of the invention, such designs should fall within the protection scope of the present invention.

Claims

1. A generator cooling pipe assembly, characterized in that: The system includes a main tube (2) and a guide tube (4) that penetrates the main tube (2). The guide tube (4) extends radially along the main tube (2) and penetrates it. Connecting components are provided at both ends of the main tube (2). Limiting rings (6) are provided at both ends of the main tube (2). The limiting rings (6) and the sidewalls of the main tube (2) form an annular groove. A sealing ring (5) is fitted on the main tube (2), and the upper end faces of the sealing ring (5) and the limiting ring (6) abut against each other. End connecting sleeves (1) are fitted on the upper and lower ends of the main tube (2), and the end connecting sleeves (1) abut against the lower end faces of the limiting rings (6). The inner wall of the end connecting sleeves (1) is provided with internal threads. The guide tube (4) includes a main body. The through channel (3) is formed by extending the side wall of the tube (2). The through channel (3) is composed of a first inner conduit (7) and a second conduit (8). The side wall of the main tube (2) is punched and stretched inward to form the first inner conduit (7). The first inner conduit (7) passes through along the diameter direction of the main tube (2). The second conduit (8) is placed on the side wall of the main tube (2) and extends outward. The second conduit (8) corresponds to the first inner conduit (7), and the opening of the first inner conduit (7) overlaps and is placed inside the second conduit (8). The first inner conduit (7) and the second conduit (8) are sealed together. The second conduit (8) is a variable diameter tube and the end is a straight tube. The guide tube (4) is distributed along a spiral.

2. The generator cooling pipe assembly according to claim 1, characterized in that: The second conduit (8) passes through the main tube (2) and is fastened to the main tube (2) by a screw sleeve (9).

3. A generator cooling pipe assembly according to claim 1, characterized in that: The main tube (2) is a copper tube structure, and the first inner guide tube (7) is a variable diameter setting, and the smaller diameter end is located inside the main tube (2).

4. A generator cooling pipe assembly according to claim 1, characterized in that: The second conduit (8) and the main tube (2) are welded and sealed, and a sealing gasket (10) is provided corresponding to the inner wall of the main tube (2). The sealing gasket (10) is attached to the main tube (2).

5. A generator cooling pipe assembly according to claim 1, characterized in that: The first inner conduit (7) is formed by stamping and stretching, and by heating to form the main tube (2) by compression molding.

6. A generator cooling pipe assembly according to claim 1, characterized in that: The main tube (2) is made of plastic tube material. The first inner conduit (7) is hot-melted and placed on the main tube (2) and extends through the main tube (2). The first inner conduit (7) and the second conduit (8) are the same plastic tube and are sealed with the main tube (2).

7. A generator cooling pipe assembly according to claim 1, characterized in that: The main tube (2) is a plastic tube, and the first inner conduit (7) and the second conduit (8) are copper tubes, which are correspondingly embedded in the main tube (2).

8. A generator cooling pipe assembly according to claim 1, characterized in that: The main tube (2) is provided with a cooling medium, which includes a mixed solution of hexafluoropropylene dimer and perfluorohexane, with a ratio of 1:(1-5). The mixed solution and 1,3-dichlorohexafluoropropane are mixed at a ratio of 1:0.

1. The cooling medium is mixed and emulsified at a mixing temperature of 50℃-80℃ and a mixing speed of 100r / min-180r / min.

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