CN211830476U - Motor for AC/DC cooling fan - Google Patents

Abstract

The utility model discloses an alternating current-direct current motor for cooling fan relates to the motor field for the cooling fan, including lower casing, the body coupling has last casing down, and casing and last casing vacuole formation down, the intermediate position of casing is provided with the axle down, and the top of axle all is provided with slide bearing, two sets of in the cavity with the bottom be located all be provided with in the slide bearing's the outside and keep off the linoleum, and two sets of tops of keeping off the linoleum all are provided with the spring, and are two sets of the slit disc has all been supported to the one end of spring. The utility model discloses a be 12 utmost points with brushless DC motor's rotor, the stator is 9 inslots rotors, and the motor is alternating current input, direct current output to improve motor efficiency and increase of service life, thereby make efficiency higher, it is more energy-conserving, output is 5W, and rotational speed 1300rpm adopts volume and mounted position the same with 10W, 15W, makes things convenient for the customer to install, thereby realizes that the installation is standardized with the use.

Description

Motor for AC/DC cooling fan

Technical Field

The utility model relates to a motor field for the cooling fan specifically is a motor for alternating current-direct current cooling fan.

Background

The compressor is a driven fluid machine for lifting low-pressure gas into high-pressure gas, is the heart of a refrigeration system, sucks low-temperature low-pressure refrigerant gas from an air suction pipe, drives a piston to compress the refrigerant gas through the operation of a motor, and discharges the high-temperature high-pressure refrigerant gas to an exhaust pipe to provide power for a refrigeration cycle.

The existing compressor adopts an alternating current motor, the motor efficiency is low, the service life is short, the output power of the motor is low, the energy consumption is high, and the installation and the use of the existing compressor are not standardized.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the motor for the alternating current-direct current cooling fan is provided for solving the problems that an existing compressor adopts an alternating current motor, the motor efficiency is low, the service life is short, the output power of the motor is small, the energy consumption is large, and the existing compressor is not standardized in installation and use.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an alternating current-direct current is motor for cooling fan, includes casing down, the body coupling has last casing down, and casing and last casing vacuole formation down, the intermediate position of casing is provided with the axle down, and the top of axle all is provided with slide bearing, two sets of in the cavity with the bottom is located the slide bearing the outside of slide bearing all is provided with keeps off the linoleum, and two sets of tops of keeping off the linoleum all are provided with the spring, and two sets of the one end of spring has all been supported the slit disc, the outside of axle bottom is located the top of slide bearing and is provided with thrust washer, and the outside of axle is located the top of thrust washer and is provided with the jam piece, the outside that the jam piece top is located the axle is provided with the rotor, and the.

Preferably, the shaft penetrates through the outer side of the upper shell and is connected with an expansion valve, and the expansion valve is provided with an anti-skid lug.

Preferably, an air inlet and an air outlet are arranged on the outer side of the upper shell.

Preferably, the bottom of lower casing is provided with the base, and the base evenly is provided with multiunit screw hole.

Preferably, a sealing ring is arranged on the outer side of the joint of the upper shell and the lower shell, and the sealing ring is fixed through a nut.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses an alternating current motor with the compressor changes DC brushless motor into to improve motor efficiency and increase of service life, DC brushless motor's rotor is 12 utmost points, and the stator is 9 groove inner rotors, motor ac input, direct current output, thereby make efficiency higher, and is more energy-conserving, and output is 5W, and rotational speed 1300rpm adopts volume and mounted position the same with 10W, 15W, makes things convenient for the customer to install, thereby realizes that the installation is standardized with the use.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a front view of the present invention;

fig. 3 is a bottom view of the present invention.

In the figure: 1. a lower housing; 2. a sliding bearing; 3. a spring; 4. a felt; 5. a slit disc; 6. An upper housing; 7. a shaft; 8. a rotor; 9. a main magnet; 10. a stator assembly; 11. a blocking block; 12. a thrust washer; 13. an expansion valve; 14. an air inlet; 15. an exhaust port; 16. a base; 17. a seal ring; 18. A cavity.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a motor for an ac/dc cooling fan includes a lower casing 1, the lower casing 1 is connected to an upper casing 6, a cavity 18 is formed between the lower casing 1 and the upper casing 6, a shaft 7 is disposed in the middle of the lower casing 1, sliding bearings 2 are disposed in the cavity 18 at the top and bottom of the shaft 7, oil felts 4 are disposed outside the two sets of sliding bearings 2, springs 3 are disposed above the two sets of oil felts 4, one end of each of the two sets of springs 3 is supported by a slit disc 5, a thrust washer 12 is disposed above the sliding bearing 2 at the outside of the bottom of the shaft 7, a blocking block 11 is disposed above the thrust washer 12 at the outside of the shaft 7 above the blocking block 11, a rotor 8 is disposed outside the shaft 7, and a main magnet 9 and a stator assembly 10 are sequentially disposed outside the rotor 8.

The utility model discloses an alternating current motor with the compressor changes DC brushless motor into to improve motor efficiency and increase of service life, DC brushless motor's rotor 8 is 12 utmost points, and stator module 10 is 9 inslots rotors, motor ac input, direct current output, thereby make efficiency higher, and is more energy-conserving, and output is 5W, and rotational speed 1300rpm adopts volume and mounted position the same with 10W, 15W, makes things convenient for the customer to install.

Please refer to fig. 1, the shaft 7 is connected to the expansion valve 13 through the outer side of the upper housing 6, and the expansion valve 13 is provided with the anti-slip bump, the utility model discloses a be provided with the expansion valve 13 to make the liquid refrigerant of medium temperature and high pressure become the wet steam of low temperature and low pressure through its throttle through the expansion valve 13, and the anti-slip bump of the expansion valve 13 makes the slippage difficult when twisting the expansion valve 13.

Please refer to fig. 1, fig. 2 and fig. 3, the outer side of the upper housing 6 is provided with an air inlet 14 and an air outlet 15, the present invention provides an air inlet 14 and an air outlet 15 on the outer side of the upper housing 6, so that the air enters the cavity 18 through the air inlet 14, and the cavity 18 discharges the air through the air outlet 15.

Please refer to fig. 3, the bottom of the lower casing 1 is provided with a base 16, and the base 16 is uniformly provided with a plurality of groups of threaded holes, the utility model discloses a bottom of the lower casing 1 is provided with the base 16, and the base 16 is provided with the threaded holes, thereby making the compressor better install.

Please refer to fig. 2, the outside of the junction between the upper casing 6 and the lower casing 1 is provided with the sealing ring 17, and the sealing ring 17 is fixed by the nut, the utility model discloses a sealing ring 17 is provided in the outside of the junction between the upper casing 6 and the lower casing 1, and the sealing ring 17 is fixed by the nut, thereby the sealing effect between the upper casing 6 and the lower casing 1 is better.

The working principle is as follows: when the power is switched on, gas enters the compressor from the gas inlet 14, current flows into the stator assembly 10 to generate corresponding magnetic potential, then interacts with a main magnetic field generated by the main magnet 9 of the rotor 8 to generate electromagnetic torque, when the brushless direct current motor is in a load operation state, a certain back electromotive force is generated in windings, the motor consumes a certain electric power in the whole process and outputs mechanical power, electric energy is converted into mechanical energy, the rotor 8 is used for determining the position of a magnetic pole of a motor body, the stator assembly 10 is arranged for detecting and outputting a position signal of the rotor, the motor operates, the compressor absorbs corresponding low-temperature refrigerant from the refrigerant, then the refrigerant enters a condenser, the refrigerant is made into a refrigerator, then the refrigerant is driven by the operation of the motor to be conveyed and compressed, the refrigerant moves on the internal circulation of an ice chest, and when liquid refrigerant passes through the expansion valve 13, after the cold air flows out of the expansion valve 13, the cold air is restrained, so that the pressure of the cold air after the cold air flows out is reduced, the temperature of the cold air is reduced, the cold air is changed into liquid refrigerant, and finally the high-temperature and high-pressure air is discharged through the exhaust pipe, so that the effect of reducing the temperature is achieved, and the refrigerant enters the evaporator again and then repeats the refrigeration cycle all the time.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (5)

1. The utility model provides an alternating current-direct current motor for cooling fan, includes casing (1) down, its characterized in that: the lower shell (1) is connected with an upper shell (6), the lower shell (1) and the upper shell (6) form a cavity (18), a shaft (7) is arranged in the middle of the lower shell (1), the top end and the bottom end of the shaft (7) are both provided with sliding bearings (2) in the cavity (18), the outer sides of the two groups of sliding bearings (2) are both provided with a felt (4), and springs (3) are arranged above the two groups of felt baffles (4), one end of each group of springs (3) is propped against the slit disc (5), a thrust washer (12) is arranged on the outer side of the bottom end of the shaft (7) and above the sliding bearing (2), and a blocking block (11) is arranged on the outer side of the shaft (7) above the thrust washer (12), a rotor (8) is arranged above the blocking block (11) and positioned at the outer side of the shaft (7), and the outer side of the rotor (8) is sequentially provided with a main magnet (9) and a stator component (10).

2. The motor for ac/dc cooling fan according to claim 1, wherein: the shaft (7) penetrates through the outer side of the upper shell (6) and is connected with an expansion valve (13), and an anti-skid bump is arranged on the expansion valve (13).

3. The motor for ac/dc cooling fan according to claim 1, wherein: an air inlet (14) and an air outlet (15) are arranged on the outer side of the upper shell (6).

4. The motor for ac/dc cooling fan according to claim 1, wherein: the bottom of the lower shell (1) is provided with a base (16), and the base (16) is evenly provided with a plurality of groups of threaded holes.

5. The motor for ac/dc cooling fan according to claim 1, wherein: the outer side of the joint of the upper shell (6) and the lower shell (1) is provided with a sealing ring (17), and the sealing ring (17) is fixed through a nut.

Images