Water-cooled low-noise direct-current generator

Abstract

The utility model discloses a water-cooled low-noise direct-current generator, and relates to the technical field of direct-current generators. The water-cooled low-noise direct-current generator comprises a hollow box, a direct-current generator, a shell and a shifting air cooling mechanism, the bottom of the hollow box is open, a mounting seat and a grating net are fixedly mounted in the hollow box, a dust blocking net is arranged on the mounting seat, the direct-current generator is arranged in the hollow box, and the shell is arranged in the hollow box. The inner wall of the hollow box is fixedly provided with heat conduction silica gel and is in contact with the direct-current generator, the shell is fixedly installed at the top of the hollow box, the inner wall of the shell is fixedly provided with a belt type submersible pump, the belt type submersible pump is fixedly provided with a liquid pumping pipe, and the belt type submersible pump is provided with a shifting shaft. According to the water-cooled low-noise direct-current generator, circulating exchange of water in the shell and the hollow box is facilitated, noise can be reduced, air cooling treatment can be conveniently carried out on the generator, and the heat dissipation quality of the generator is enhanced through the water cooling mode and the air cooling mode.

Description

Technical Field

[0001] The utility model relates to the technical field of direct current generators, in particular to a direct current generator. Background Art

[0002] A rectifier DC generator water cooling structure with publication number CN205960856U includes a rectifier DC generator, a rear end cover cooling cavity formed by the rear end face of the water-cooled shell and the cover plate, and a shell cooling cavity formed by the water-cooled shell and the shell; the rear end cover cooling cavity and the shell cooling cavity are connected through a through hole at the top end of the rear end face of the water-cooled shell; the cover plate is provided with a first water joint for the coolant to enter or flow out, and the shell is provided with a second water joint for the coolant to enter or flow out; the first heat dissipation ribs are staggered on both sides of the rear end cover cooling cavity, and the second heat dissipation ribs are staggered on both sides of the shell cooling cavity; the rectifier DC generator includes a stator core, a rectifier bridge, and a rotor component; the rear end face of the water-cooled shell and the water-cooled shell form an integrated water-cooled shell, the integrated water-cooled shell is sleeved on the outside of the rotor component, and the rectifier bridge is installed on the inside of the rear end face of the water-cooled shell. Reducing water joints can effectively improve the reliability of the water cooling system. The generator cooled by water cooling has a high energy density and has the advantages of small size and light weight.

[0003] The above-mentioned rectifier DC generator water cooling structure only uses a single water cooling method to dissipate heat for the DC generator, but the heat dissipation effect needs to be improved. The DC generator is still prone to high temperature after long-term use. Therefore, it can be improved. Utility Model Content

[0004] The purpose of the utility model is to provide a water-cooled low-noise DC generator, which can solve the problem of using a single water cooling method to dissipate heat for the DC generator. However, the heat dissipation effect needs to be improved, and the DC generator is still prone to high temperature after long-term use.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a water-cooled low-noise DC generator, comprising a hollow box, a DC generator, a shell and a toggle air cooling mechanism, the bottom of the hollow box is open, a mounting seat and a grille are fixedly installed inside the hollow box, a dust screen is provided on the mounting seat, the DC generator is arranged inside the hollow box, a thermal conductive silica gel is fixedly installed on the inner wall of the hollow box and is in contact with the DC generator, the shell is fixedly installed on the top of the hollow box, a belt-type submersible pump is fixedly installed on the inner wall of the shell, a liquid extraction pipe is fixedly installed on the belt-type submersible pump, a toggle shaft is provided on the belt-type submersible pump, a liquid infusion pipe is fixedly installed on the belt-type submersible pump, a reflux pipe is provided on the hollow box and the shell, the toggle air cooling mechanism is arranged on the shell and the mounting seat, and the toggle air cooling mechanism can circulate and exchange water between the shell and the hollow box and air-cool the hollow box.

[0006] Preferably, a circular hole is opened on one side of the shell and a sealing ring is fixedly installed therein, one end of the driving shaft passes through the circular hole and extends to one side of the shell, the inner wall of the sealing ring contacts the outer wall of the driving shaft, and one end of the infusion tube passes through the shell and extends to the inside of the hollow box.

[0007] Preferably, liquid pipes are fixedly installed on the top and front side of the shell, and a knob cover is provided on the threaded sleeve of the liquid pipe to facilitate water adding and draining operations.

[0008] Preferably, an observation window is embedded in the front side of the shell to facilitate observation of the internal conditions of the shell.

[0009] Preferably, a cushion block is fixedly mounted on the inner wall of the dust screen, and a screw is provided on the cushion block and passes through the cushion block and is threadedly connected to the mounting seat.

[0010] Preferably, the number of the return pipes is two and they are arranged in a front-to-back distribution, and both ends of the return pipes extend to the inside of the hollow box and the shell respectively.

[0011] Preferably, the toggle air cooling mechanism includes a connecting rod, a fan blade, a pulley, a belt and a motor. The connecting rod is rotatably mounted on the outer wall of the mounting seat, the fan blade is fixedly mounted on the outer wall of the connecting rod, there are two groups of pulleys and they are distributed up and down, one group of pulleys is fixedly mounted on the outer wall of the toggle shaft, the motor is fixedly mounted on the outer wall of the mounting seat, the rotating shaft of the motor passes through the mounting seat and is fixedly connected to the connecting rod, the other group of pulleys is fixedly mounted on the outer wall of the rotating shaft, the belt is sleeved on the outer walls of the two groups of pulleys, and the two groups of pulleys are connected by belt transmission.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The water-cooled low-noise DC generator, through the coordinated use of thermal conductive silica gel, a belt-type submersible pump, a toggle shaft, a connecting rod, a fan blade, a pulley, a belt, a motor, a mounting seat, a grille, an infusion tube, a suction tube and a dust screen, is convenient for circulating and exchanging water in a shell and a hollow box, thereby facilitating the thermal conductive water cooling treatment of the DC generator placed in the hollow box, and the hollow box can reduce the noise generated when the DC generator is running. On the other hand, it is convenient to drive the connecting rod and the fan blade to rotate to perform air cooling on the DC generator. The two cooling methods of water cooling and air cooling effectively enhance the heat dissipation quality of the DC generator. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0015] Figure 1 It is a cross-sectional view of the utility model;

[0016] Figure 2 It is a right side view of the hollow box of the utility model;

[0017] Figure 3 It is the front view of the utility model.

[0018] Figure numerals: 1. hollow box; 2. shell; 3. thermal conductive silicone; 4. return pipe; 5. DC generator; 6. belt-type submersible pump; 7. toggle shaft; 8. toggle air cooling mechanism; 81. connecting rod; 82. fan blade; 83. pulley; 84. belt; 85. motor; 9. mounting seat; 10. pad; 11. grille; 12. infusion tube; 13. extraction tube; 14. liquid pipe; 15. dust screen; 16. sealing ring. DETAILED DESCRIPTION

[0019] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0020] See also Figure 1-3 The utility model provides a technical solution: a water-cooled low-noise DC generator, comprising a hollow box 1, a DC generator 5, a shell 2 and a toggle air cooling mechanism 8, the bottom of the hollow box 1 is open, a mounting seat 9 and a grille 11 are fixedly installed inside the hollow box 1, a dust screen 15 is arranged on the mounting seat 9, the DC generator 5 is arranged inside the hollow box 1, a thermal conductive silica gel 3 is fixedly installed on the inner wall of the hollow box 1 and contacts with the DC generator 5, the shell 2 is fixedly installed on the top of the hollow box 1, a belt-type submersible pump 6 is fixedly installed on the inner wall of the shell 2, a liquid extraction pipe 13 is fixedly installed on the belt-type submersible pump 6, a toggle shaft 7 is arranged on the belt-type submersible pump 6, a liquid infusion pipe 12 is fixedly installed on the belt-type submersible pump 6, a reflux pipe 4 is arranged on the hollow box 1 and the shell 2, the toggle air cooling mechanism 8 is arranged on the shell 2 and the mounting seat 9, and the toggle air cooling mechanism 8 can circulate and exchange water between the shell 2 and the hollow box 1 and air-cool the hollow box 1.

[0021] A circular hole is provided on one side of the shell 2 and a sealing ring 16 is fixedly installed therein. One end of the driving shaft 7 passes through the circular hole and extends to one side of the shell 2. The inner wall of the sealing ring 16 contacts the outer wall of the driving shaft 7. One end of the infusion tube 12 passes through the shell 2 and extends to the inside of the hollow box 1. A liquid pipe 14 is fixedly installed on the top and front side of the shell 2. A knob cover is threadedly sleeved on the liquid pipe 14. An observation window is inlaid on the front side of the shell 2. A pad 10 is fixedly installed on the inner wall of the dust screen 15. A screw is provided on the pad 10 and passes through the pad 10 and is threadedly connected to the mounting seat 9. There are two groups of reflux pipes 4 and they are distributed front and back. Both ends of the reflux pipe 4 extend to the inside of the hollow box 1 and the shell 2 respectively.

[0022] The toggle air cooling mechanism 8 includes a connecting rod 81, a fan blade 82, a pulley 83, a belt 84 and a motor 85. The connecting rod 81 is rotatably mounted on the outer wall of the mounting seat 9, and the fan blade 82 is fixedly mounted on the outer wall of the connecting rod 81. There are two groups of pulleys 83 and they are distributed up and down. One group of pulleys 83 is fixedly mounted on the outer wall of the toggle shaft 7, and the motor 85 is fixedly mounted on the outer wall of the mounting seat 9. The rotating shaft of the motor 85 passes through the mounting seat 9 and is fixedly connected to the connecting rod 81. The other group of pulleys 83 is fixedly mounted on the outer wall of the rotating shaft. The belt 84 is sleeved on the outer walls of the two groups of pulleys 83. The two groups of pulleys 83 are connected by the belt 84 to control the start of the motor 85. The motor 85 drives the toggle shaft 7 and the connecting rod 81 to rotate respectively through the belt 84 and the two groups of pulleys 83. The rotation of the shaft 7 draws the water in the shell 2 into the infusion tube 12 through the extraction tube 13 and adds it to the hollow box 1. Then the excess water in the hollow box 1 flows back to the shell 2 through the reflux tube 4. At the same time, the thermal conductive silica gel 3 introduces the temperature of the water in the hollow box 1 into the DC generator 5 and water-cools it. The connecting rod 81 drives the rotation of the fan blades 82 and air-cools the DC generator 5, which is convenient for circulating the water in the shell 2 and the hollow box 1, and then convenient for the DC generator 5 placed in the hollow box 1 to be subjected to thermal conductive water cooling treatment. The hollow box 1 can reduce the noise generated during the operation of the DC generator 5, and it is also convenient to drive the connecting rod 81 and the fan blades 82 to rotate to air-cool the DC generator 5. The two cooling methods of water cooling and air cooling enhance the heat dissipation quality.

[0023] Working principle: the motor 85 is controlled to start, and the motor 85 drives the rotation of the toggle shaft 7 and the connecting rod 81 through the belt 84 and the two sets of pulleys 83 respectively. The rotation of the toggle shaft 7 draws the water in the shell 2 into the infusion tube 12 through the extraction tube 13 and adds it to the hollow box 1. Then the excess water in the hollow box 1 flows back to the shell 2 through the return pipe 4. At the same time, the temperature-conducting silica gel 3 introduces the temperature of the water in the hollow box 1 into the DC generator 5 and water-cools it, and the connecting rod 81 drives the rotation of the fan blades 82 and air-cools the DC generator 5.

[0024] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A water-cooled low-noise DC generator, characterized in that: include: The hollow box (1) has an opening at the bottom, a mounting seat (9) and a grille (11) are fixedly mounted inside the hollow box (1), and a dust screen (15) is arranged on the mounting seat (9); A DC generator (5) is arranged inside the hollow box (1), and a thermal conductive silica gel (3) is fixedly installed on the inner wall of the hollow box (1) and is in contact with the DC generator (5); A shell (2) is fixedly mounted on the top of the hollow box (1); a belt-type submersible pump (6) is fixedly mounted on the inner wall of the shell (2); a liquid extraction pipe (13) is fixedly mounted on the belt-type submersible pump (6); a shifting shaft (7) is provided on the belt-type submersible pump (6); a liquid infusion pipe (12) is fixedly mounted on the belt-type submersible pump (6); and a return pipe (4) is provided on the hollow box (1) and the shell (2); The air cooling mechanism (8) is arranged on the shell (2) and the mounting seat (9). The air cooling mechanism (8) can perform water circulation exchange between the shell (2) and the hollow box (1) and air cool the hollow box (1).

2. A water-cooled low-noise DC generator according to claim 1, characterized in that: A circular hole is provided on one side of the shell (2) and a sealing ring (16) is fixedly installed therein; one end of the driving shaft (7) passes through the circular hole and extends to one side of the shell (2); the inner wall of the sealing ring (16) contacts the outer wall of the driving shaft (7); and one end of the infusion tube (12) passes through the shell (2) and extends to the interior of the hollow box (1).

3. A water-cooled low-noise DC generator according to claim 2, characterized in that: A liquid pipe (14) is fixedly mounted on the top and front side of the housing (2), and a knob cover is threadedly sleeved on the liquid pipe (14).

4. A water-cooled low-noise DC generator according to claim 3, characterized in that: An observation window is inlaid on the front side of the housing (2).

5. A water-cooled low-noise DC generator according to claim 1, characterized in that: A cushion block (10) is fixedly mounted on the inner wall of the dust-blocking net (15), and a screw is arranged on the cushion block (10) and passes through the cushion block (10) and is threadedly connected to the mounting seat (9).

6. A water-cooled low-noise DC generator according to claim 1, characterized in that: The return pipes (4) are provided in two groups and are arranged in a front-to-back distribution. The two ends of the return pipes (4) extend to the inside of the hollow box (1) and the shell (2) respectively.

7. A water-cooled low-noise DC generator according to claim 1, characterized in that: The toggle air cooling mechanism (8) comprises a connecting rod (81), a fan blade (82), a pulley (83), a belt (84) and a motor (85). The connecting rod (81) is rotatably mounted on the outer wall of the mounting seat (9), the fan blade (82) is fixedly mounted on the outer wall of the connecting rod (81), the pulleys (83) are in two groups and are distributed up and down, one group of pulleys (83) is fixedly mounted on the outer wall of the toggle shaft (7), the motor (85) is fixedly mounted on the outer wall of the mounting seat (9), the rotating shaft of the motor (85) passes through the mounting seat (9) and is fixedly connected to the connecting rod (81), the other group of pulleys (83) is fixedly mounted on the outer wall of the rotating shaft, the belt (84) is sleeved on the outer walls of the two groups of pulleys (83), and the two groups of pulleys (83) are connected through the belt (84) transmission.

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