Self-suction heat dissipation air blower suitable for high-humidity and high-salt-mist environment

Abstract

The utility model discloses a self-suction heat dissipation blower suitable for high humidity and high salt fog environment, which comprises a motor, a blower head and a cabinet, the motor comprises a motor rotor, a motor stator, a first bearing, a second bearing, a bearing seat, an inner bearing seat, an outer bearing seat, a steel shell, a heat dissipation shell and a motor rear cover, the fan head comprises a volute, an impeller, a cover cap, a main machine end cover and sealing teeth, the impeller is installed on the portion, exceeding the bearing seat, of the motor rotor, the impeller is located in a space defined by the volute, the cover cap, the main machine end cover and the bearing seat after installation, and the sealing teeth are formed on the main machine end cover. The machine cabinet comprises a machine cabinet main body and an air inlet flow guide box installed in the machine cabinet main body, the impeller does work, negative pressure is formed at the inlet of the cover cap to drive air in the machine cabinet to flow, and stable air flow from the air inlet flow guide box to the heat dissipation shell of the motor to the inlet of the cover cap to the impeller to the volute to the outlet of the volute is formed; and heat of the motor is blown to the outer side of the cabinet.

Description

Technical Field

[0001] This utility model relates to a self-priming heat dissipation blower suitable for high humidity and high salt spray environments, and belongs to the field of blower technology. Background Technology

[0002] Currently, blower products are often used in coastal high humidity and high salt spray environments. The common heat dissipation methods for high-speed blower motors are as follows: 1. Rotor with built-in heat dissipation impeller, 2. Motor with cooling fan, 3. Water cooling. These heat dissipation methods have the following problems when applied to high humidity and high salt spray environments: (1) Blowers with heat dissipation impellers have high cost and poor effect at high speeds. High salt and high humidity gases can easily enter the motor from the heat dissipation end. The gas inside the motor is prone to crystallization and water accumulation due to temperature changes, which seriously affects the motor life. (2) When high-speed motors use air cooling, they require large flow and low pressure. When designing the heat dissipation impeller, the high motor speed will lead to an excessively high impeller specific speed, low aerodynamic efficiency of the heat dissipation impeller, and high heat dissipation power consumption. (3) Using a motor with a cooling fan, since there are no high-speed fans on the market specifically designed for high humidity and high salt spray environments, the lifespan of high-speed fans is extremely short and the failure rate is high. (4) When water cooling is used for blower motors with power below 150KW, the overall cost will increase significantly. In most cases, seawater can only be provided as a heat dissipation source, which is prone to scaling and blockage.

[0003] Therefore, it is indeed necessary to improve existing technologies to address their shortcomings. Summary of the Invention

[0004] This invention provides a self-priming cooling blower suitable for high humidity and high salt spray environments to solve the problems existing in the prior art.

[0005] This utility model adopts the following technical solution: A self-priming cooling blower suitable for high humidity and high salt spray environments, comprising a motor, a blower head, and a cabinet. The motor includes a motor rotor, a motor stator, a first bearing, a second bearing, a bearing housing, an inner bearing housing, an outer bearing housing, a steel housing, a heat dissipation housing, and a motor rear cover. The bearing housing and the outer bearing housing are both fixed on the steel housing. The inner bearing housing is located inside the outer bearing housing. The first bearing is installed on the bearing housing, and the second bearing is installed on the inner bearing housing. The first and second bearings are respectively sleeved on the two ends of the motor rotor. The motor stator is installed and fixed inside the steel housing, covering the outside of the motor rotor and the motor stator is... The motor rotors are spaced apart. The heat dissipation housing is installed on the outside of the steel housing. The fan head includes a volute, impeller, cover, main unit end cover, and sealing teeth. The impeller is installed on the part of the motor rotor that extends beyond the bearing seat. The impeller is located in the space enclosed by the volute, cover, main unit end cover, and bearing seat after installation. The sealing teeth are formed on the main unit end cover. The cabinet includes a cabinet body and an air intake guide box installed inside the cabinet body. When the impeller does work, a negative pressure is formed at the inlet of the cover, which drives the gas flow in the cabinet, forming a stable airflow from the air intake guide box to the heat dissipation housing of the motor, the inlet of the cover, the impeller, the volute, and the outlet of the volute, so as to blow the heat of the motor to the outside of the cabinet.

[0006] Furthermore, the front end of the motor is sealed by sealing teeth, and the rear end of the motor is sealed by a motor rear cover.

[0007] Furthermore, a sliding sleeve is installed between the inner bearing housing and the outer bearing housing to allow the inner bearing housing to slide relative to the outer bearing housing.

[0008] Furthermore, a cabinet filter is installed on the main body of the cabinet, adjacent to the air intake guide box.

[0009] Furthermore, the main unit end cover and the bearing housing are connected together by bolts.

[0010] Furthermore, the volute and the main unit end cover are connected together by bolts.

[0011] Furthermore, the cover and the volute are connected together by bolts.

[0012] This utility model has the following beneficial effects:

[0013] (1) The cooling fan or cooling impeller structure is eliminated, and the front end of the motor is sealed by sealing teeth, and the rear end of the motor is sealed by the motor rear cover to ensure stable long-term use under high salt spray and high humidity conditions.

[0014] (2) The air intake of the fan is used as heat dissipation air, which flows through the heat dissipation shell of the motor. The heat dissipation air volume is much greater than that of the heat dissipation impeller or the heat dissipation fan, which can ensure high speed under full sealing conditions. It can maintain an operating temperature below 80℃ by simply using the heat dissipation shell for air cooling.

[0015] (3) The cost of a self-heating structure is much lower than that of a cooling fan or cooling impeller.

[0016] (4) The main noise of the blower is wind noise at the inlet of the blower. With the back air intake and an air intake guide box, most of the noise of the main unit is refracted and absorbed inside the cabinet, which can greatly reduce the overall noise of the blower.

[0017] (5) The gases inside the cabinet are in a state of high-speed movement, and the temperature inside the cabinet can be kept stable within a certain range for a long time. Under the conditions of high humidity and high salt spray, the high-speed flow and relatively stable cabinet temperature can greatly reduce the crystallization and condensation phenomena inside the cabinet. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of a motor.

[0019] Figure 2 This is a schematic diagram of the fan head.

[0020] Figure 3 This is a schematic diagram of a self-priming heat dissipation blower suitable for high humidity and high salt spray environments according to this utility model. Detailed Implementation

[0021] The present invention will be further described below with reference to the accompanying drawings.

[0022] This utility model relates to a self-priming cooling blower suitable for high humidity and high salt spray environments. It includes a motor, a blower head, and a cabinet. The motor comprises a motor rotor 14, a motor stator 13, a first bearing 18, a second bearing 19, a bearing housing 4, an inner bearing housing 10, an outer bearing housing 7, a sliding sleeve 9, a steel housing 6, a heat dissipation housing 5, and a motor rear cover 20. The bearing housing 4 and the outer bearing housing 7 are both bolted to the steel housing 6. The inner bearing housing 10 is located inside the outer bearing housing 7, and a sliding sleeve 9 is installed between the inner bearing housing 10 and the outer bearing housing 7, allowing the inner bearing housing 10 to slide relative to the outer bearing housing 7. The first bearing 18 is mounted on the bearing housing 4, and the second bearing 19 is mounted on the inner bearing housing 10. The first bearing 18 and the second bearing 19 are respectively fitted onto the two ends of the motor rotor 14. The motor stator 13 is fixed inside the steel housing 6, covering the outside of the motor rotor 14 without contact between the motor stator 13 and the motor rotor 14. The heat dissipation housing 5 is installed on the outside of the steel housing 6.

[0023] The fan head includes a volute 1, an impeller 2, a cover 3, a main unit end cover 11, and sealing teeth 12. The impeller 2 is mounted on the portion of the motor rotor 14 that extends beyond the bearing housing 4. The main unit end cover 11 is bolted to the bearing housing 4, the volute 1 is bolted to the main unit end cover 11, and the cover 3 is bolted to the volute 1. The impeller 2 is located within the space enclosed by the volute 1, the cover 3, the main unit end cover 11, and the bearing housing 4. The sealing teeth 12 are formed on the main unit end cover 11.

[0024] The cabinet includes a cabinet body 16 and an air intake guide box 17 installed inside the cabinet body 16. A cabinet filter (not shown) is installed on the cabinet body 16 adjacent to the air intake guide box 17.

[0025] This invention is applicable to self-priming cooling blowers used in high-humidity and high-salt-spray environments. The blower head, as a pneumatic component, drives airflow from the cover 3 into the impeller 2. The impeller 2 pressurizes the gas and discharges it through the outlet of the volute 1. The motor, as a power component, provides power to the impeller 2. The cabinet, as the mounting carrier, can control the airflow speed and direction on the heat dissipation housing 5 through dimensional constraints to achieve the effect of cooling the motor. How to control the airflow speed and direction on the heat dissipation housing 5 by adjusting the cabinet dimensions is a method derived by those skilled in the art based on actual conditions and will not be elaborated here.

[0026] Specifically, the working principle of this self-priming cooling blower, applicable to high humidity and high salt spray environments, is as follows: The impeller 2 performs work, guiding the airflow from the inlet of the cover 3, where it is compressed and discharged from the outlet of the volute 1. Due to the work performed by the impeller 2, a negative pressure is created at the inlet of the cover 3, driving the gas flow within the cabinet and forming a stable airflow from the cabinet filter—inlet guide box 17—motor heat dissipation housing 5—inlet of the cover 3—impeller 2—volute 1—volute outlet, thereby blowing the heat from the motor to the outside of the cabinet.

[0027] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements can be made without departing from the principle of the present utility model, and these improvements should also be considered within the protection scope of the present utility model.

Claims

1. A self-priming cooling blower suitable for high humidity and high salt spray environments, characterized in that: The system includes a motor, a fan head, and a cabinet. The motor includes a motor rotor (14), a motor stator (13), a first bearing (18), a second bearing (19), a bearing housing (4), an inner bearing housing (10), an outer bearing housing (7), a steel housing (6), a heat dissipation housing (5), and a motor rear cover (20). The bearing housing (4) and the outer bearing housing (7) are both fixed on the steel housing (6). The inner bearing housing (10) is located inside the outer bearing housing (7). The first bearing (18) is installed on the bearing housing (4), and the second bearing (19) is installed on the inner bearing housing (10). The first bearing (18) and the second bearing (19) are respectively sleeved on the two ends of the motor rotor (14). The motor stator (13) is installed and fixed inside the steel housing (6). The motor stator (13) covers the outside of the motor rotor (14), and the motor stator (13) and the motor rotor (14) are spaced apart. The heat dissipation housing (5) is installed on the outside of the steel housing (6). The fan head includes a volute (1), an impeller (2), a cover (3), a main unit end cover (11), and sealing teeth (12). The impeller (2) is installed on the part of the motor rotor (14) that extends beyond the bearing seat (4). The impeller (2) is located in the space enclosed by the volute (1), the cover (3), the main unit end cover (11), and the bearing seat (4) after installation. The sealing teeth (12) are formed on... On the main unit end cover (11), the cabinet includes the cabinet body (16) and the air intake guide box (17) installed inside the cabinet body (16). The impeller (2) does work, and the negative pressure is formed at the inlet of the cover (3) to drive the gas flow in the cabinet, forming a stable airflow from the air intake guide box (17) -- the heat dissipation shell (5) of the motor -- the inlet of the cover (3) -- the impeller (2) -- the volute (1) -- the outlet of the volute, so as to blow the heat of the motor to the outside of the cabinet.

2. The self-priming cooling blower suitable for high humidity and high salt spray environments as described in claim 1, characterized in that: The front end of the motor is sealed by sealing teeth (12), and the rear end of the motor is sealed by the motor rear cover (20).

3. The self-priming cooling blower suitable for high humidity and high salt spray environments as described in claim 2, characterized in that: A sliding sleeve (9) is installed between the inner bearing housing (10) and the outer bearing housing (7) so that the inner bearing housing (10) can slide relative to the outer bearing housing (7).

4. The self-priming cooling blower suitable for high humidity and high salt spray environments as described in claim 3, characterized in that: A cabinet filter is installed on the main body (16) of the cabinet, adjacent to the air intake guide box (17).

5. The self-priming cooling blower suitable for high humidity and high salt spray environments as described in claim 4, characterized in that: The main unit end cover (11) and the bearing seat (4) are connected together by bolts.

6. The self-priming cooling blower suitable for high humidity and high salt spray environments as described in claim 5, characterized in that: The volute (1) and the main unit end cover (11) are connected together by bolts.

7. The self-priming cooling blower suitable for high humidity and high salt spray environments as described in claim 6, characterized in that: The cover (3) and the volute (1) are connected together by bolts.

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