Cooling device of centrifugal fan

Abstract

The utility model discloses a centrifugal fan heat dissipation device which comprises a centrifugal fan installation base, a motor heat dissipation assembly is arranged above the centrifugal fan installation base, a centrifugal fan installation assembly is arranged on one side of the motor heat dissipation assembly, and a rain shielding installation assembly is arranged on one side of the centrifugal fan installation assembly. In actual use, through the motor heat dissipation assembly, the problems that an existing centrifugal fan does not have a motor heat dissipation function, so that a motor works in a high-temperature environment for a long time, loss of the motor is increased, the service life of the device is affected, and meanwhile the motor suddenly stops running are solved; the working efficiency and the working quality of the device are improved, and the development trend of the device is facilitated.

Description

Technical Field

[0001] The utility model relates to the field of centrifugal fan heat dissipation, in particular to a centrifugal fan heat dissipation device. Background Art

[0002] A centrifugal fan is a machine that relies on input mechanical energy to increase gas pressure and discharge gas. It is a driven fluid machine and is widely used in ventilation, dust removal and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings; ventilation and draft of boilers and industrial furnaces; cooling and ventilation in air conditioning equipment and household appliances; drying and selection of grains. When the existing centrifugal fan is working, the motor at the bottom of the device will generate extremely high temperatures when it continues to work, and the existing centrifugal fan does not have the function of dissipating the heat of the motor, so the motor works in a high temperature environment for a long time, which increases the loss of the motor and thus affects the service life of the device. It will also cause the motor to suddenly stop running, which in turn affects the working efficiency and quality of the device, which is not conducive to the development trend of the device. Utility Model Content

[0003] In view of the problems in the related technology, the utility model proposes a centrifugal fan heat dissipation device to overcome the above technical problems existing in the existing related technology.

[0004] To this end, the specific technical solutions adopted by the utility model are as follows:

[0005] A centrifugal fan heat dissipation device comprises a centrifugal fan mounting seat, a motor heat dissipation assembly is arranged above the centrifugal fan mounting seat, a centrifugal fan mounting assembly is arranged on one side of the motor heat dissipation assembly, and a rain shield mounting assembly is arranged on one side of the centrifugal fan mounting assembly;

[0006] In order to achieve the purpose of motor heat dissipation, the motor heat dissipation assembly includes a motor support frame, the motor support frame is connected to the centrifugal fan mounting seat, a drive motor is installed above the motor support frame, a heat dissipation pipe is wrapped around the outer periphery of the drive motor, one end of the heat dissipation pipe is connected to an infusion pump, the input end of the infusion pump is connected to a suction pipe, one end of the suction pipe is connected to a coolant tank, the coolant tank is connected to the centrifugal fan mounting seat, a semiconductor cooling fin is installed inside the coolant tank, the cold end of the semiconductor cooling fin is located inside the coolant tank, and the hot end of the semiconductor cooling fin is located outside, the end of the heat dissipation pipe away from the infusion pump is connected to the coolant tank, and a temperature sensor is provided inside the coolant tank.

[0007] Furthermore, a PLC controller is installed on one side of the centrifugal fan mounting base.

[0008] Furthermore, the infusion pump, the semiconductor cooling plate and the temperature sensor are electrically connected to the PLC controller respectively.

[0009] Furthermore, in order to achieve the purpose of centrifugal fan installation, the centrifugal fan installation assembly includes a coupling, the drive motor is connected to a drive rod through a coupling, an intermediate bearing is movably connected to the periphery of the drive rod, a bearing mounting frame is provided on the periphery of the intermediate bearing, and the bearing mounting frame is connected to the centrifugal fan mounting seat.

[0010] Furthermore, one end of the driving rod is connected to a fan impeller, and a fan mounting housing is provided on the periphery of the fan impeller.

[0011] Furthermore, in order to achieve the purpose of rainproof installation, the rainproof installation assembly includes a rainproof support rod, the rainproof support rod is connected to the centrifugal fan mounting seat, a rainproof top is connected above the rainproof support rod, and a guide groove is provided inside the rainproof top.

[0012] Furthermore, a moisture-proof base is provided at the bottom of the centrifugal fan mounting base.

[0013] The beneficial effects of the utility model are as follows: the utility model improves the existing technology. In actual use, through the motor heat dissipation component, the problem that the existing centrifugal fan does not have the function of dissipating motor heat, which causes the motor to work in a high temperature environment for a long time, increases the loss of the motor, and thus affects the service life of the device. At the same time, it also causes the motor to suddenly stop running, thereby improving the working efficiency and work quality of the device, which is beneficial to the development trend of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 It is a schematic diagram of the main structure of a centrifugal fan heat dissipation device according to an embodiment of the utility model;

[0016] Figure 2 It is a stereoscopic diagram of a centrifugal fan heat dissipation device according to an embodiment of the utility model.

[0017] Figure 3 It is a structural schematic diagram of a motor heat dissipation component in a centrifugal fan heat dissipation device according to an embodiment of the utility model;

[0018] Figure 4 It is a structural schematic diagram of a centrifugal fan installation assembly in a centrifugal fan heat dissipation device according to an embodiment of the utility model.

[0019] In the figure:

[0020] 1. Centrifugal fan mounting base; 2. Motor heat dissipation assembly; 201. Motor support frame; 202. Drive motor; 203. Heat dissipation pipe; 204. Infusion pump; 205. Suction tube; 206. Coolant tank; 207. Semiconductor cooling fin; 208. Temperature sensor; 3. Centrifugal fan mounting assembly; 301. Coupling; 302. Drive rod; 303. Intermediate bearing; 304. Bearing mounting frame; 4. Rain shield mounting assembly; 401. Rain shield support rod; 402. Rain shield top; 403. Guide trough; 5. PLC controller; 6. Fan impeller; 7. Fan mounting housing; 8. Moisture-proof base. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] According to an embodiment of the utility model, a centrifugal fan heat dissipation device is provided.

[0023] like Figure 1-4 As shown, the shockproof high-voltage power distribution cabinet according to the embodiment of the utility model includes a centrifugal fan mounting seat 1, a motor heat dissipation assembly 2 is provided above the centrifugal fan mounting seat 1, a centrifugal fan mounting assembly 3 is provided on one side of the motor heat dissipation assembly 2, and a rain shield mounting assembly 4 is provided on one side of the centrifugal fan mounting assembly 3; the motor heat dissipation assembly 2 includes a motor support frame 201, the motor support frame 201 is connected to the centrifugal fan mounting seat 1, a drive motor 202 is installed above the motor support frame 201, a heat dissipation pipe 203 is wrapped around the periphery of the drive motor 202, one end of the heat dissipation pipe 203 is connected to an infusion pump 204, and the input end of the infusion pump 204 is connected to a suction pipe 20 5. One end of the liquid suction tube 205 is connected to a coolant tank 206, which is connected to a centrifugal fan mounting base 1. A semiconductor cooling fin 207 is installed inside the coolant tank 206. The cold end of the semiconductor cooling fin 207 is located inside the coolant tank 206, and the hot end of the semiconductor cooling fin 207 is located outside. One end of the heat dissipation pipe 203 away from the infusion pump 204 is connected to the coolant tank 206. A temperature sensor 208 is arranged inside the coolant tank 206. A PLC controller 5 is installed on one side of the centrifugal fan mounting base 1. The infusion pump 204, the semiconductor cooling fin 207 and the temperature sensor 208 are electrically connected to the PLC controller 5 respectively.

[0024] Through the above technical scheme, by setting up the motor support frame 201, the purpose of facilitating the fixing of the driving motor 202 is achieved. By setting up the infusion pump 204, the infusion pump 204 can input the coolant tank 206 into the heat pipe 203 through the suction pipe 205. At this time, the coolant can exchange heat with the driving motor 202 through the heat pipe 203, so that the heat of the driving motor 202 enters the coolant tank 206 through the heat pipe 203, and is cooled by the semiconductor cooling plate 207. The temperature of the coolant in the coolant tank 206 is detected by the temperature sensor 208, so that the PLC controller 5 controls the cooling output of the semiconductor cooling plate 207, thereby achieving the purpose of facilitating the heat dissipation temperature in a certain range.

[0025] like Figure 1-4 As shown, according to the shockproof high-voltage power distribution cabinet of the embodiment of the utility model, the centrifugal fan mounting assembly 3 includes a coupling 301, the driving motor 202 is connected to the driving rod 302 through the coupling 301, the driving rod 302 is movably connected to the periphery of the intermediate bearing 303, a bearing mounting frame 304 is provided on the periphery of the intermediate bearing 303, the bearing mounting frame 304 is connected to the centrifugal fan mounting seat 1, one end of the driving rod 302 is connected to the fan impeller 6, and the fan impeller 6 is provided with a fan mounting shell 7.

[0026] Through the above technical solution, by setting the coupling 301, it is convenient to connect the driving motor 202 to the driving rod 302 through the coupling 301, so that the intermediate bearing 303 can flexibly support the driving rod 302 through the bearing mounting frame 304. When the driving rod 302 rotates, it can drive the fan impeller 6 to rotate in the fan mounting housing 7, thereby achieving the effect of generating wind force.

[0027] like Figure 1-4 As shown, according to the shockproof high-voltage distribution cabinet of the embodiment of the utility model, the rainproof installation assembly 4 includes a rainproof support rod 401, the rainproof support rod 401 is connected to the centrifugal fan mounting seat 1, a rainproof top 402 is connected above the rainproof support rod 401, a guide groove 403 is provided inside the rainproof top 402, and a moisture-proof base 8 is provided at the bottom of the centrifugal fan mounting seat 1.

[0028] Through the above technical solution, by setting up the rainproof support rod 401, the purpose of facilitating the support of the rainproof top 402 is achieved, and the guide groove 403 on the rainproof top 402 facilitates the discharge of rainwater, so that the moisture-proof base 8 can achieve the moisture-proof effect on the bottom of the centrifugal fan mounting base 1.

[0029] In order to facilitate understanding of the above technical solution of the present invention, the working principle or operation method of the present invention in the actual process is described in detail below.

[0030] In summary, with the aid of the above technical solution of the utility model, by setting the motor support frame 201, the purpose of fixing the driving motor 202 is achieved, and by setting the infusion pump 204, the infusion pump 204 can input the coolant tank 206 into the heat dissipation pipe 203 through the suction pipe 205. At this time, the coolant can exchange heat with the driving motor 202 through the heat dissipation pipe 203, so that the heat of the driving motor 202 enters the coolant tank 206 through the heat dissipation pipe 203, and is cooled by the semiconductor cooling plate 207. The temperature sensor 208 detects that the temperature of the coolant in the coolant tank 206 is different, so that the PLC controller 5 controls the cold output of the semiconductor cooling plate 207, thereby achieving the purpose of facilitating the heat dissipation temperature in a certain range;

[0031] By setting the coupling 301, it is convenient to connect the driving motor 202 to the driving rod 302 through the coupling 301, so that the intermediate bearing 303 can flexibly support the driving rod 302 through the bearing mounting frame 304. When the driving rod 302 rotates, it can drive the fan impeller 6 to rotate in the fan mounting housing 7, thereby achieving the effect of generating wind force;

[0032] The rainproof support rod 401 is provided to facilitate supporting the rainproof top 402. The guide groove 403 on the rainproof top 402 facilitates the drainage of rainwater, and the moisture-proof base 8 achieves the moisture-proof effect on the bottom of the centrifugal fan mounting base 1.

[0033] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A centrifugal fan heat dissipation device, characterized in that: The invention comprises a centrifugal fan mounting seat (1), a motor heat dissipation assembly (2) is arranged above the centrifugal fan mounting seat (1), a centrifugal fan mounting assembly (3) is arranged on one side of the motor heat dissipation assembly (2), and a rain shield mounting assembly (4) is arranged on one side of the centrifugal fan mounting assembly (3); the motor heat dissipation assembly (2) comprises a motor support frame (201), the motor support frame (201) is connected to the centrifugal fan mounting seat (1), a driving motor (202) is arranged above the motor support frame (201), a heat dissipation pipe (203) is wound around the periphery of the driving motor (202), and one end of the heat dissipation pipe (203) is connected to an infusion pump (204) The input end of the infusion pump (204) is connected to a suction pipe (205), one end of the suction pipe (205) is connected to a cooling liquid tank (206), the cooling liquid tank (206) is connected to the centrifugal fan mounting base (1), a semiconductor cooling fin (207) is installed inside the cooling liquid tank (206), the cold end of the semiconductor cooling fin (207) is located inside the cooling liquid tank (206), and the hot end of the semiconductor cooling fin (207) is located outside, one end of the heat dissipation pipe (203) away from the infusion pump (204) is connected to the cooling liquid tank (206), and a temperature sensor (208) is provided inside the cooling liquid tank (206).

2. A centrifugal fan heat dissipation device according to claim 1, characterized in that: A PLC controller (5) is installed on one side of the centrifugal fan mounting base (1).

3. A centrifugal fan heat dissipation device according to claim 2, characterized in that: The infusion pump (204), the semiconductor cooling sheet (207) and the temperature sensor (208) are electrically connected to the PLC controller (5) respectively.

4. A centrifugal fan heat dissipation device according to claim 3, characterized in that: The centrifugal fan mounting assembly (3) comprises a coupling (301), the driving motor (202) is connected to a driving rod (302) via the coupling (301), an intermediate bearing (303) is movably connected to the periphery of the driving rod (302), a bearing mounting frame (304) is provided on the periphery of the intermediate bearing (303), and the bearing mounting frame (304) is connected to the centrifugal fan mounting seat (1).

5. A centrifugal fan heat dissipation device according to claim 4, characterized in that: One end of the driving rod (302) is connected to a fan impeller (6), and a fan mounting housing (7) is disposed on the periphery of the fan impeller (6).

6. A centrifugal fan heat dissipation device according to claim 5, characterized in that: The rain shield installation assembly (4) comprises a rain shield support rod (401), the rain shield support rod (401) is connected to the centrifugal fan mounting seat (1), a rain shield top (402) is connected above the rain shield support rod (401), and a guide groove (403) is provided inside the rain shield top (402).

7. A centrifugal fan heat dissipation device according to claim 6, characterized in that: A moisture-proof base (8) is provided at the bottom of the centrifugal fan mounting base (1).

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