Cooling device of direct-current generator

By designing a DC generator cooling device that combines a detachable liquid cooling block with a heat dissipation cavity, the problem of inconvenient quick maintenance in the existing technology is solved, achieving efficient heat dissipation and convenient maintenance.

CN224037219UActive Publication Date: 2026-03-24SHAANXI SHENGSUOJINKE ELECTRONIC TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-28
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

Existing DC generator cooling devices are not convenient for quick repair and replacement, resulting in long maintenance cycles and wasted resources.

Method used

A cooling device comprising a base, a heat dissipation cavity, a liquid cooling block, and a positioning ring is designed. The liquid cooling block is detachably connected to the heat dissipation cavity, and heat dissipation is achieved by circulating coolant within the liquid cooling block and air convection within the heat dissipation cavity, thereby increasing the heat dissipation area and efficiency. The liquid cooling block is fixed by the positioning ring for easy replacement.

Benefits of technology

It enables quick disassembly and installation, improves heat dissipation efficiency, reduces maintenance time and resource waste, and ensures that the generator operates within the normal temperature range.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a cooling device for a direct-current generator, which relates to the technical field of generator heat dissipation equipment and comprises a base, a cooling device and a cooling device. At least three heat dissipation cavities are uniformly arranged by taking the center of the base as a circle center, and one side, close to the base, of each heat dissipation cavity is in an opening shape so as to abut against the direct-current generator; at least three liquid cooling blocks are uniformly arranged by taking the center of the base as a circle center so as to abut against the direct-current generator, and each liquid cooling block is detachably connected with two adjacent heat dissipation cavities; and the positioning ring is arranged at the top of the heat dissipation cavities, is connected with each heat dissipation cavity and is used for positioning the liquid cooling block between two adjacent heat dissipation cavities. According to the utility model, the liquid cooling block is clamped between the two adjacent heat dissipation cavities, so that the liquid cooling block is detachably connected with the heat dissipation cavities.
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Description

TECHNICAL FIELD

[0001] The utility model relates to generator heat dissipation equipment technical field, concretely relates to a direct current generator cooling device. BACKGROUND

[0002] The traditional generator water cooling structure adopts integrated shell design, although the number of water joints is reduced, but needs to be disassembled integrally when maintaining, time-consuming and high cost. Chinese patent (announcement number CN205960856U) discloses a water cooling structure of rectifier direct current generator, the shell and the rear end cover of the cooling rectifier bridge and the rear bearing are designed as an integrated type, and the cooling liquid is no longer connected through the water joint during work, but is connected through the method of processing through hole in the integrated shell and the rear end cover joint; but if a part is damaged, the whole shell needs to be replaced, resulting in long maintenance cycle and resource waste. Therefore, the utility model provides a direct current generator cooling device to improve the above problems. SUMMARY

[0003] Therefore, the utility model solves the technical problem of overcoming the defects of the prior art direct current generator cooling device, and provides a direct current generator cooling device.

[0004] In order to solve the above problems, the utility model provides a direct current generator cooling device, which comprises:

[0005] The base is used for placing the direct current generator;

[0006] The heat dissipation cavity is uniformly provided with at least three heat dissipation cavities with the center of the base as the center, and the side close to the base of the heat dissipation cavity is open to abut the direct current generator;

[0007] The liquid cooling block is uniformly provided with at least three liquid cooling blocks with the center of the base as the center to abut the direct current generator, and each liquid cooling block is detachably connected with two adjacent heat dissipation cavities;

[0008] The positioning ring is arranged on the top of the heat dissipation cavity, connected with each heat dissipation cavity, and forms positioning for the liquid cooling block between the two adjacent heat dissipation cavities.

[0009] Preferably, the base comprises a positioning groove and a support block, the support block is uniformly provided with at least three support blocks outside the positioning groove with the center of the positioning groove as the center, and each support block is connected with the bottom of the heat dissipation cavity.

[0010] Preferably, the heat dissipation cavity is uniformly provided with a plurality of heat dissipation holes away from the side of the base outside, and the top of the heat dissipation cavity is provided with a threaded hole.

[0011] Preferably, each of the two sides of the heat dissipation cavity is provided with a first arc-shaped groove, and the two sides of the liquid cooling block are provided with a first arc-shaped part, and each of the liquid cooling blocks is detachably connected through the first arc-shaped part and the two adjacent heat dissipation cavities.

[0012] Preferably, the first arc-shaped groove of each of the heat dissipation cavities is further provided with a second arc-shaped groove, and the first arc-shaped part of the liquid cooling block is further provided with a second arc-shaped part, and each of the liquid cooling blocks is detachably connected through the second arc-shaped part and the second arc-shaped groove of the two adjacent heat dissipation cavities.

[0013] Preferably, the liquid cooling block is uniformly provided with a plurality of heat dissipation fins away from the bottom, and the top and bottom of the liquid cooling block are provided with a liquid injection port and a liquid discharge port, respectively, and the top of each of the liquid cooling blocks is further provided with a mounting groove matched with the positioning ring, and the positioning ring is clamped with the mounting groove of each of the liquid cooling blocks.

[0014] Preferably, the positioning ring is provided with a through hole corresponding to the screw hole of the heat dissipation cavity, and the positioning ring is screwed through the through hole and the screw hole of each of the heat dissipation cavities through a connecting piece.

[0015] The direct current generator cooling device has the following beneficial effects:

[0016] 1. The liquid cooling block is clamped between the two adjacent heat dissipation cavities, so that the detachable connection of the liquid cooling block and the heat dissipation cavity is realized.

[0017] 2. The liquid cooling block and the heat dissipation cavity are clamped through the first arc-shaped part and the second arc-shaped part, which facilitates assembly, and the second arc-shaped part and the second arc-shaped groove further improve the stability and sealing performance of the connection, facilitating the installation, disassembly and maintenance of the liquid cooling block.

[0018] 3. In the operation process of the generator, part of the heat is conducted to the heat dissipation cavity through the contact with the heat dissipation cavity, and the heat dissipation cavity is in convection with the outside air through the heat dissipation holes on the outside; the other part of the heat is absorbed by the cooling liquid in the liquid cooling block, and the cooling liquid carries the heat and is discharged through the liquid discharge port, and then enters the liquid cooling block again through the liquid injection port after being cooled by the cooling system, realizing circulating heat dissipation; the heat dissipation fins on the liquid cooling block further increase the heat dissipation area and improve the heat dissipation efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a general assembly three-dimensional structure schematic view of the utility model;

[0020] Figure 2 It is a screw hole structure installation schematic view of the utility model;

[0021] Figure 3 The supporting block structure installation schematic view of the utility model;

[0022] Figure 4 The first arc-shaped groove structure installation schematic view of the utility model;

[0023] Figure 5 The first arc-shaped part structure installation schematic view of the utility model.

[0024] The signs are represented as:

[0025] 1, base; 2, heat dissipation cavity; 3, liquid cooling block; 4, positioning ring; 5, positioning groove; 6, supporting block; 7, heat dissipation hole; 8, screw hole; 9, first arc-shaped groove; 10, first arc-shaped part; 11, second arc-shaped groove; 12, second arc-shaped part; 13, heat dissipation fin; 14, assembly groove; 15, connecting piece. DETAILED DESCRIPTION

[0026] As Figures 1-5 shown, the utility model provides a direct current generator cooling device, it includes:

[0027] Base 1 for placing direct current generator on the base 1;

[0028] Heat dissipation cavity 2, the heat dissipation cavity 2 is uniformly provided with at least three with the center of the base 1 as the center, and the side close to the base 1 of heat dissipation cavity 2 is open to butt against the direct current generator;

[0029] Liquid cooling block 3, at least three are uniformly provided with with the center of the base 1 as the center to butt against the direct current generator, and every liquid cooling block 3 is detachably connected with two adjacent heat dissipation cavities 2;

[0030] Positioning ring 4 is set up in the top of heat dissipation cavity 2, is connected with every heat dissipation cavity 2, and forms the positioning of liquid cooling block 3 between two adjacent heat dissipation cavities 2. Figures 1-5As shown, a direct current generator cooling device, when in use, the base 1 is placed in the appropriate position, make sure the base 1 stable; Then the direct current generator is placed in the positioning groove 5 of the base 1, the positioning groove 5 plays a role in the preliminary positioning of the generator, to ensure the stability of the generator placed, wherein the heat dissipation cavity 2 and the base 1 can be connected by bonding, bolted or clamped, the bottom of each heat dissipation cavity 2 is connected with the corresponding support block 6, the side of the heat dissipation cavity 2 close to the base 1 is open and abuts on the surface of the direct current generator, in order to better conduct the heat generated by the generator; The liquid cooling block 3 is clamped between two adjacent heat dissipation cavities 2, realizing the detachable connection of the liquid cooling block 3 and the heat dissipation cavity 2; During installation, make sure the liquid cooling block 3 is in close contact with the surface of the generator, in order to improve the cooling effect; Through the combined cooling method of the heat dissipation cavity 2 and the liquid cooling block 3, the heat dissipation cavity 2 realizes air convection cooling through the heat dissipation hole 7, the liquid cooling block 3 realizes heat exchange cooling through the cooling liquid circulation, the two cooperate with each other, which can effectively improve the cooling efficiency of the direct current generator, and ensure the generator to operate within the normal temperature range; Wherein, the positioning ring 4 is placed on the top of the heat dissipation cavity 2, so that the through hole on the positioning ring 4 is aligned with the screw hole 8 on the top of the heat dissipation cavity 2, then the connecting piece 15 (such as bolt) is used to pass through the through hole and screw with the screw hole 8, firmly connecting the positioning ring 4 and the heat dissipation cavity 2, at the same time, the positioning ring 4 is clamped into the assembly groove 14 on the top of the liquid cooling block 3, which forms positioning and fixing for the liquid cooling block 3, when one of the liquid cooling blocks 3 fails, it is convenient to replace it.

[0031] Wherein, during the operation of the generator, part of the heat generated is conducted to the heat dissipation cavity 2 through the contact with the heat dissipation cavity 2, and the heat dissipation cavity 2 is in convection with the outside air through the heat dissipation hole 7 on the outside of the heat dissipation cavity 2; Another part of the heat is absorbed by the cooling liquid in the liquid cooling block 3, the cooling liquid carries the heat and is discharged through the liquid discharge port, then enters the liquid cooling block 3 again through the liquid injection port after being cooled by the cooling system, realizing the circulation cooling; The heat dissipation fins 13 on the liquid cooling block 3 further increase the heat dissipation area and improve the heat dissipation efficiency.

[0032] In some embodiments, the base 1 comprises: a positioning groove 5 and a support block 6, the support block 6 is uniformly provided with at least three outside the positioning groove 5 with the center of the positioning groove 5 as the center, and the bottom of each support block 6 is connected with one heat dissipation cavity 2. Figures 1-5 As shown, the bottom of the heat dissipation cavity 2 and the top of the support block 6 and the edge of the positioning groove 5 are connected, which can be bonded, bolted or welded, the positioning groove 5 plays a role in the preliminary positioning of the direct current generator, to ensure the stability of the generator placed, part of the support block 6 plays a role in keeping a gap with the ground, another part makes the heat dissipation cavity 2 can be stably arranged on the base 1, and is uniformly distributed around the generator, which is conducive to realizing uniform cooling.

[0033] In some embodiments, the heat dissipation cavity 2 is uniformly provided with a plurality of heat dissipation holes 7 on the side away from the outside of the base 1, and the top of the heat dissipation cavity 2 is provided with a threaded hole 8. Figures 1-5 As shown in the figure, the top of the heat dissipation cavity 2 is provided with a threaded hole 8 for connecting with the positioning ring 4; the heat dissipation cavity 2 is uniformly provided with at least three heat dissipation cavities with the center of the base 1 as the center, and the side close to the base 1 is open to abut the direct current generator; the heat dissipation cavity 2 can be directly in contact with the surface of the generator, and can more effectively conduct the heat generated by the generator; the heat dissipation cavity 2 is uniformly provided with a plurality of heat dissipation holes 7 on the side away from the outside of the base 1, and these heat dissipation holes 7 can increase the contact area of the heat dissipation cavity 2 with the outside air, improve the air convection efficiency, and thus accelerate the dissipation of heat.

[0034] In some embodiments, each of the heat dissipation cavities 2 is provided with a first arc-shaped groove 9 on both sides, and the liquid cooling block 3 is provided with a first arc-shaped part 10 on both sides, and each of the liquid cooling blocks 3 is detachably connected through the first arc-shaped part 10 and the adjacent two heat dissipation cavities 2. Figures 1-5 As shown in the figure, the liquid cooling block 3 and the heat dissipation cavity 2 are connected in the form of clamping through the first arc-shaped part 10 and the second arc-shaped part 12, which is convenient for assembling and realizes quick detachable connection.

[0035] In some embodiments, each of the heat dissipation cavities 2 is further provided with a second arc-shaped groove 11 in the first arc-shaped groove 9, and the liquid cooling block 3 is further provided with a second arc-shaped part 12 on the first arc-shaped part 10, and each of the liquid cooling blocks 3 is detachably connected through the second arc-shaped part 12 and the second arc-shaped groove 11 of the adjacent two heat dissipation cavities 2. Figures 1-5 As shown in the figure, the second arc-shaped part 12 and the second arc-shaped groove 11 further improve the stability and sealing performance of the connection, and facilitate the installation, disassembly and maintenance of the liquid cooling block 3.

[0036] In some embodiments, the liquid cooling block 3 is uniformly provided with a plurality of heat dissipation fins 13 on the side away from the base 1, and the top and bottom of the liquid cooling block 3 are respectively provided with a liquid injection port and a liquid discharge port, and the top of each of the liquid cooling blocks 3 is further provided with a mounting groove 14 matched with the positioning ring 4, and the positioning ring 4 is clamped with the mounting groove 14 of each of the liquid cooling blocks 3. Figures 1-5 As shown in the figure, the heat dissipation fins 13 can increase the heat dissipation area of the liquid cooling block 3 and improve the heat dissipation efficiency; the liquid cooling block 3 can inject cooling liquid into the liquid cooling block 3 through the liquid injection port, the cooling liquid circulates in the liquid cooling block 3, absorbs the heat generated by the generator, and then is discharged through the liquid discharge port to realize heat exchange, which can be realized through external pipeline; the top of each of the liquid cooling blocks 3 is further provided with a mounting groove 14 matched with the positioning ring 4 for clamping with the positioning ring 4, and whether the positioning ring 4 and the mounting groove 14 of the liquid cooling block 3 are accurately aligned is used to verify whether each of the liquid cooling blocks 3 and the heat dissipation cavities 2 are correctly assembled.

[0037] In some embodiments, the positioning ring 4 is provided with a through hole corresponding to the screw hole 8 of the heat dissipation cavity 2, and the positioning ring 4 is screwed through the through hole and the screw hole 8 of each heat dissipation cavity 2 by a connecting piece 15. Figures 1-5 As shown, the positioning ring 4 is arranged on the top of the heat dissipation cavity 2, connected with each heat dissipation cavity 2, and forms positioning for the liquid cooling block 3 between two adjacent heat dissipation cavities 2; the positioning ring 4 is provided with a through hole corresponding to the screw hole 8 of the heat dissipation cavity 2, and the positioning ring 4 is screwed through the through hole and the screw hole 8 of each heat dissipation cavity 2 by a connecting piece 15, which ensures the firm connection of the positioning ring 4 and the heat dissipation cavity 2, and also can play a role in positioning and fixing the liquid cooling block 3, and guarantees the structural stability of the whole cooling device.

[0038] The above only describes the preferred embodiments of the present application, and is not intended to limit the present application. Any modification, equivalent replacement and improvement within the spirit and principle of the present application shall be included in the protection scope of the present application. The above only describes the preferred embodiments of the present application, and it should be pointed out that, for ordinary skilled in the art, without departing from the technical principle of the present application, a number of improvements and modifications can be made, and these improvements and modifications shall be regarded as the protection scope of the present application.

Claims

1. A dynamo cooling device, characterized by comprising: The utility model provides a DC generator cooling device, including: a base for placing a DC generator; a plurality of heat dissipation cavities arranged uniformly around the center of the base and open on one side to abut the DC generator; a plurality of liquid cooling blocks arranged uniformly around the center of the base and abutting the DC generator, each liquid cooling block being detachably connected to two adjacent heat dissipation cavities; a positioning ring arranged on the top of the heat dissipation cavities, connected to each heat dissipation cavity, and forming a positioning for the liquid cooling block between two adjacent heat dissipation cavities.

2. The DC generator cooling device according to claim 1, wherein: the base comprises a positioning groove and a plurality of support blocks arranged uniformly around the center of the positioning groove and outside the positioning groove, each support block being connected to the bottom of a heat dissipation cavity.

3. The DC generator cooling device according to claim 1, wherein: each heat dissipation cavity is uniformly provided with a plurality of heat dissipation holes on the side away from the outside of the base, and the top of each heat dissipation cavity is provided with a threaded hole.

4. The DC generator cooling device according to claim 1, wherein: each heat dissipation cavity is provided with a first arc-shaped groove on each side, and each liquid cooling block is provided with a first arc-shaped part on each side, each liquid cooling block being detachably connected to two adjacent heat dissipation cavities through the first arc-shaped part.

5. The DC generator cooling device according to claim 4, wherein: each first arc-shaped groove of each heat dissipation cavity is further provided with a second arc-shaped groove, and each first arc-shaped part of each liquid cooling block is further provided with a second arc-shaped part, each liquid cooling block being detachably connected to two adjacent heat dissipation cavities through the second arc-shaped part.

6. The DC generator cooling device according to claim 1, wherein: each liquid cooling block is uniformly provided with a plurality of heat dissipation fins on the side away from the base, and the top and bottom of each liquid cooling block are respectively provided with a liquid injection port and a liquid discharge port, the top of each liquid cooling block being further provided with a fitting groove matched with the positioning ring, and the positioning ring being clamped with the fitting groove of each liquid cooling block.

7. The DC generator cooling device according to claim 3, wherein: the positioning ring is provided with a through hole corresponding to the threaded hole of each heat dissipation cavity, and the positioning ring is screwed with each heat dissipation cavity through the through hole and the threaded hole by a connecting piece.

Citation Information

Patent Citations

  • Rectification dc generator water -cooling structure

    CN205960856U