CN217563436U - Single-phase motor with heat radiation structure - Google Patents

Abstract

The utility model discloses a single-phase motor with heat radiation structure, which comprises a housin, the inner wall fixedly connected with stator of casing, one side of stator is provided with the tail-hood, tail-hood side surface is provided with opening and second shaft hole, the one end of casing can be dismantled and is connected with the end cover, a side surface of end cover is provided with fresh air inlet and primary shaft hole, rotate through the bearing between end cover and the tail-hood and be connected with the pivot, the outside fixedly connected with rotor of pivot. This single phase motor with heat radiation structure is through being provided with semiconductor refrigeration piece and fresh air inlet, makes its use of mutually supporting can realize single phase motor's quick heat dissipation, and when the heat dissipation, the semiconductor refrigeration piece can be quick with the inside heat transfer of motor to heat dissipation impeller department, again through heat dissipation impeller give out the heat of semiconductor refrigeration piece, the fresh air inlet can make the inside circulation of air that keeps of casing moreover, fine improvement the radiating effect to single phase motor.

Description

A single-phase motor with heat dissipation structure

technical field

The utility model relates to the technical field of electric motors, in particular to a single-phase electric motor with a heat dissipation structure.

Background technique

A single-phase motor is an asynchronous motor that uses a single-phase AC power supply. Since a single-phase asynchronous motor only needs a single-phase AC power, it is convenient to use and widely used, and has the advantages of simple structure, low cost, low noise, and little interference to the radio system. Therefore, it is commonly used in household appliances and small power machinery with low power, such as electric fans, washing machines, refrigerators, air conditioners, range hoods, electric drills, medical equipment, small fans and household water pumps;

The existing single-phase motors all use the heat dissipation impeller to rotate to discharge the heat in the motor, and when the heat dissipation impeller rotates, due to the airtightness of the motor, the air circulation inside the motor cannot be guaranteed, and the heat transfer is slow. Therefore, We propose a single-phase motor with a heat dissipation structure.

Utility model content

The purpose of this utility model is to provide a single-phase motor with a heat dissipation structure, so as to solve the problem that the existing single-phase motors proposed in the above-mentioned background technology all use a heat dissipation impeller to rotate to discharge the heat in the motor, and when the heat dissipation impeller rotates , Due to the airtightness of the motor, the circulation of the air inside the motor cannot be guaranteed, and the heat transfer is slow.

In order to achieve the above purpose, the present invention provides the following technical solutions: a single-phase motor with a heat dissipation structure, comprising a casing, the inner wall of the casing is fixedly connected with a stator, and a tail cover is provided on one side of the stator, so One side surface of the tail cover is provided with a circulation hole and a second shaft hole, one end of the casing is detachably connected with an end cover, and one side surface of the end cover is provided with an air inlet hole and a first shaft hole, the A rotating shaft is rotatably connected between the end cover and the tail cover through a bearing, a rotor is fixedly connected to the outer side of the rotating shaft, a heat dissipation impeller is arranged on one side of the tail cover, and the heat dissipation impeller is detachably connected to the outer side of the rotating shaft. A semiconductor refrigeration fin is installed on one side of the tail cover, and a plurality of groups of heat sinks are fixedly connected to the upper end face of the casing.

Preferably, a junction box is installed on the upper end face of the casing, a hook is provided on one side of the junction box, and the hook is welded on the upper end face of the casing. The junction box ensures the normal operation of the motor, and the suspension The hook facilitates the handling of the motor using a rope threaded into the hook.

Preferably, a connection seat is fixedly connected to the lower end surface of the housing, and a base is fixedly connected to the lower end surface of the connection seat, so that the motor can be stably installed on the installation surface.

Preferably, the other end of the casing is detachably connected with a heat dissipation cover, which has a good heat dissipation effect and a good protection effect on the heat dissipation impeller.

Preferably, the number of the air inlet holes is provided in multiple groups to ensure the ventilation of the air inside the casing.

Preferably, four corners of the upper end face of the base are provided with bolt holes. When installing multiple motors, bolts are inserted into the bolt holes to fix the base.

Compared with the prior art, the beneficial effect of the present utility model is that the single-phase motor with heat dissipation structure is provided with a semiconductor refrigerating sheet and an air inlet hole, so that they can be used in cooperation with each other to achieve rapid heat dissipation of the single-phase motor. When dissipating heat, the semiconductor cooling sheet can quickly transfer the heat inside the motor to the heat dissipation impeller, and then the heat of the semiconductor cooling sheet can be dissipated through the cooling impeller, and the air inlet hole can keep the air circulation inside the casing, which is a good improvement. The heat dissipation effect of single-phase motor is improved.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the present utility model;

Fig. 2 is the side view structure schematic diagram of the end cap of the utility model;

FIG. 3 is a schematic side view of the structure of the tail cover of the present invention.

In the figure: 1. Shell; 2. Cooling cover; 3. Cooling impeller; 4. Hook; 5. Tail cover; 6. Heat sink; 7. Junction box; 8. Stator; Rotating shaft; 11, base; 12, connecting seat; 13, rotor; 14, end cover; 15, air inlet hole; 16, first shaft hole; 17, circulation hole; 18, second shaft hole.

Detailed ways

In order to make the technical means, creation features, achievement goals and effects of the present invention easy to understand and understand, the present invention will be further described below with reference to the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" The orientation or positional relationship indicated by "" etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, so as to The specific orientation configuration and operation is therefore not to be construed as a limitation of the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed to indicate or imply relative importance.

In the description of the present utility model, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "provided with", "connected", etc., should be understood in a broad sense, for example, "connected" may be a fixed The connection can also be a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, and it can be internal communication between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

1-3, the present utility model provides a technical solution: a single-phase motor with a heat dissipation structure, comprising a casing 1, a junction box 7 is installed on the upper end surface of the casing 1, and one side of the junction box 7 is arranged There is a hook 4, the hook 4 is welded on the upper end face of the housing 1, the junction box 7 ensures the normal operation of the motor, and the hook 4 facilitates the use of a rope to pass through the hook 4 to carry the motor. A connecting seat 12 is fixedly connected to the lower end surface, and a base 11 is fixedly connected to the lower end surface of the connecting seat 12, so that the motor can be stably installed on the installation surface. The four corners of the upper end surface of the base 11 are provided with bolt holes. The base 1 is fixed by inserting the bolts into the bolt holes. The inner wall of the housing 1 is fixedly connected with the stator 8. One side of the stator 8 is provided with a tail cover 5, and one side surface of the tail cover 5 is provided with a circulation hole 17 and a second Axle hole 18, one end of the casing 1 is detachably connected with an end cover 14, one side surface of the end cover 14 is provided with an air inlet hole 15 and a first shaft hole 16, and the number of air inlet holes 15 is provided in multiple groups, ensuring that The circulation of air inside the casing 1, the rotating shaft 10 is rotatably connected between the end cover 14 and the tail cover 5 through the bearing, the outer side of the rotating shaft 10 is fixedly connected with the rotor 13, and one side of the tail cover 5 is provided with a heat dissipation impeller 3, and the heat dissipation impeller 3. Removably connected to the outside of the rotating shaft 10, a semiconductor refrigeration sheet 9 is installed on one side of the tail cover 5, and a plurality of sets of heat sinks 6 are fixedly connected to the upper end surface of the housing 1. When dissipating heat, the semiconductor refrigeration sheet 9 can quickly The heat inside the motor is transferred to the heat dissipation impeller 3, and then the heat of the semiconductor refrigeration sheet 9 is dissipated through the heat dissipation impeller 3, and the air inlet hole 15 can keep the air circulation inside the casing 1, which greatly improves the performance of the single-phase motor. The other end of the housing 1 is detachably connected with a heat dissipation cover 2, which has a good heat dissipation effect and has a good protective effect on the heat dissipation impeller 3.

Working principle: The semiconductor cooling sheet 9 and the air inlet hole 15 are provided to cooperate with each other to achieve rapid heat dissipation of the single-phase motor, and during heat dissipation, the semiconductor cooling sheet 9 can quickly transfer the heat inside the motor to the heat dissipation. At the impeller 3, the heat of the semiconductor refrigerating sheet 9 is dissipated through the heat dissipation impeller 3, and the air inlet hole 15 can keep the air circulation inside the casing 1, which greatly improves the heat dissipation effect of the single-phase motor.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. A single-phase motor having a heat dissipation structure, comprising a housing (1), characterized in that: the inner wall fixedly connected with stator (8) of casing (1), one side of stator (8) is provided with tail-hood (5), tail-hood (5) side surface is provided with circulation hole (17) and second shaft hole (18), the one end of casing (1) can be dismantled and is connected with end cover (14), one side surface of end cover (14) is provided with fresh air inlet (15) and primary shaft hole (16), it is connected with pivot (10) to rotate through the bearing between end cover (14) and tail-hood (5), outside fixedly connected with rotor (13) of pivot (10), one side of tail-hood (5) is provided with heat dissipation impeller (3), heat dissipation impeller (3) can be dismantled the outside of connection in pivot (10), semiconductor refrigeration piece (9) are installed to one side of tail-hood (5), the up end fixedly connected with multiunit fin (6) of casing (1).

2. The single-phase motor having a heat dissipation structure as set forth in claim 1, wherein: the junction box (7) is installed to the up end of casing (1), one side of junction box (7) is provided with lifting hook (4), lifting hook (4) welding is at the up end of casing (1).

3. The single-phase motor having a heat dissipation structure as set forth in claim 1, wherein: the lower end face of the shell (1) is fixedly connected with a connecting seat (12), and the lower end face of the connecting seat (12) is fixedly connected with a base (11).

4. The single-phase motor having a heat dissipation structure as set forth in claim 1, wherein: the other end of the shell (1) is detachably connected with a heat dissipation cover (2).

5. The single-phase motor having a heat dissipation structure as set forth in claim 1, wherein: the number of the air inlet holes (15) is provided with a plurality of groups.

6. A single-phase motor having a heat dissipating structure according to claim 3, wherein: bolt holes are formed in four corner positions of the upper end face of the base (11).

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