Novel sealing connection stator and motor thereof

Abstract

The utility model discloses a novel sealing connection stator and a motor thereof, comprising a stator iron core, an insulating frame, a PCB and an enameled wire wound on the stator iron core, a plurality of winding columns and a plurality of pin columns with jacks are arranged in the insulating frame at intervals, and the winding columns and the pin columns are arranged adjacently in a one-to-one correspondence manner. The PCB is provided with a plurality of jacks, pins are correspondingly inserted into the jacks, one side of the enameled wire is wound from the wire winding column and is gradually and transitionally wound to the upper side of the pins, an installation space is defined by the lower side of the pins which are not wound with the enameled wire and the pin column, and the PCB can be installed on the installation space in the horizontal direction. And the contact pin, the PCB and the enameled wire wound on the contact pin are fixed together in a welding manner to form a welding spot. The welding spot sealing connection structure designed by the utility model is low in cost, high in production efficiency and more stable in quality.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the motor technical field of household electrical appliances such as electric fan, range hood, air purifier, bathroom heater and the like. BACKGROUND

[0002] With the sharp rise of copper material price, the cost pressure of motor industry is increasing day by day, in order to meet the further smooth development of energy saving and consumption reduction motor, each motor factory has to consider from the motor material angle. In order to reduce the cost consumption without affecting the performance index of the motor as far as possible, only the winding of the motor can be replaced by aluminum enameled wire or copper-clad aluminum enameled wire. The chemical properties and physical properties of aluminum in aluminum enameled wire or copper-clad aluminum enameled wire itself determine that the treatment of aluminum enameled wire or copper-clad aluminum enameled wire in welding aspect is very critical, and if the welding is not good, it will directly affect the product quality of the motor.

[0003] The existing aluminum wire or copper-clad aluminum wire motor of household electrical appliances such as electric fan, range hood, air purifier, bathroom heater and the like is generally a distributed winding of conventional iron shell structure, the stator wiring mode is that enameled round wire is wound on the pin, and then connected by means of soldering (soldering), and then the welding point is sealed and protected by a heat shrink tube, the whole production process is complicated and low in production efficiency, and the production process is operated by manual operation, which is high in labor intensity and high in skill requirement for the workers, and the scrap rate is high in the process of manual operation, so that the production cost of the product is high, and the welding point quality of the connection joint of the aluminum enameled wire or copper-clad aluminum enameled wire is difficult to guarantee, so that the connection point is easy to oxidize and break, and other disadvantages such as not being electrified and short service life are caused. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at solving the above-mentioned problems, and provides a novel sealed connection stator and motor.

[0005] The utility model adopts the technical scheme as follows: the first aspect of the utility model is a novel sealed connection stator, which comprises a stator core, an insulation frame, a PCB board and enameled wire wound on the stator core, a plurality of winding columns and a plurality of pin columns with jack columns are arranged in the insulation frame, the winding columns and the pin columns are arranged adjacent to each other in one-to-one correspondence, the jacks are correspondingly inserted with pins, one side of the enameled wire is wound from the winding column and gradually transitions to the upper side of the pin, and the lower side of the pin without the enameled wire and the pin column form an installation space, and the PCB board can be installed on the installation space in the horizontal direction.

[0006] In a preferred embodiment, the pin, the PCB board and the enameled wire wound on the pin are fixed together by welding and form a welding point.

[0007] In a preferred embodiment, the soldering point is coated with an insulating sealant that completely covers the soldering point.

[0008] In a preferred embodiment, the winding post is a stepped structure with a narrow top and a wide bottom, the narrow bottom of the winding post is higher than the top of the pin post, and the back of the PCB board is overlapped on the top of the pin post.

[0009] In a preferred embodiment, the sidewall of the PCB board is spaced apart along its length direction and provided with a plurality of U-shaped notches, and the plurality of U-shaped notches are one-to-one corresponding to the plurality of pins.

[0010] In a preferred embodiment, a plurality of through holes for welding external power lines are vertically formed on the PCB board.

[0011] The second aspect of the utility model is a motor, which comprises a novel sealing connection stator as described above.

[0012] As described above, the beneficial effects of the utility model are that most of the soldering point sealing connection structure is completed by automatic equipment, which greatly reduces the labor intensity and skill requirements of workers, can achieve low cost, high production efficiency and stable quality, and because the enameled wire wound on the pin is all on the PCB board, the welding position is completely covered by the soldering point, and the surface of the soldering point is completely coated with a sealing insulating sealant, which not only completely isolates the connection point from the external air to prevent the soldering point from oxidizing, but also strengthens the connection reliability of the connection point, improves the hidden danger of disconnection and loosening at the connection, and ensures product quality. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0014] Figure 2 It is a schematic diagram of the three-dimensional structure of the stator winding in the utility model;

[0015] Figure 3 It is Figure 2 It is an enlarged structure schematic diagram of position A in the utility model;

[0016] Figure 4 It is a schematic diagram of the three-dimensional structure of the PCB board in the utility model.

[0017] Marked in the figure: 1 - stator core, 2 - insulating frame, 21 - pin post, 22 - winding post, 3 - pin, 4 - enameled wire, 5 - PCB board, 51 - U-shaped notch, 52 - through hole, 6 - soldering point, 7 - insulating sealant. DETAILED DESCRIPTION

[0018] In order to make the utility model purposes, technical solutions and advantages more clearly, the following will be further described in detail with the drawings and examples.

[0019] Referring to Figures 1-4 A new type of sealed connection stator, including stator core 1, insulation frame 2, PCB board 5 and enameled wire 4 winding on the stator core 1, a plurality of winding columns 22 and a plurality of pin columns 21 with jack are arranged in the insulation frame 2, and the winding column 22 and the pin column 21 are arranged adjacent to each other one by one, and the jack is inserted with the pin 3, wherein the enameled wire 4 is wound from the winding column 22 on one side, and gradually transitions to the upper side of the pin 3, and the lower side of the pin 3 without enameled wire 4 and the pin column 21 form an installation space, the PCB board 5 can be installed on the installation space along the horizontal direction, the pin 3, the PCB board 5 and the enameled wire 4 wound on the pin 3 are fixed together by welding, and the welding point 6 is formed, the welding point 6 is coated with the insulating sealant 7 which completely covers the welding point 6, since the enameled wire 4 wound on the pin is all on the PCB board 5, it can ensure that the welding position is completely covered by the welding point 6, and the surface of the welding point 6 is completely coated with the sealing insulating glue 7, so that not only the connection point is completely isolated from the external air to prevent the welding point from oxidizing, but also the connection reliability of the connection point is improved, the hidden danger of disconnection and loosening at the connection is improved, the product quality is ensured, and in addition, the welding point sealing connection structure designed above is mostly completed by automatic equipment, which greatly reduces the labor intensity and skill requirement of workers, and can achieve low cost, high production efficiency and stable quality.

[0020] Wherein, before the enameled wire 4 is welded, the paint on the surface of the enameled wire 4 wound on the pin 3 needs to be removed by a peeling device, and the enameled wire 4 is an aluminum enameled wire or a copper-clad aluminum enameled wire.

[0021] It should be noted that the above-mentioned welding equipment, glue coating equipment and peeling equipment are all existing and known technologies, which will not be described in detail here.

[0022] In an embodiment, the winding column 22 is a stepped structure with narrow top and wide bottom, the bottom surface of the narrow part of the winding column 22 is higher than the top surface of the pin column 21, the back surface of the PCB board 5 is lapped on the top surface of the pin column 21, and the stepped structure of the winding column 22 is designed to facilitate the enameled wire 4 to be wound from the winding column 22 to the pin 3, and at the same time, the pin part of the pin column 21 without enameled wire 4 can also have enough space to place the PCB board 5.

[0023] In an embodiment, the PCB 5 is provided with a plurality of U-shaped notches 51 on the side wall surface thereof along the length direction, and the U-shaped notches 51 are arranged in one-to-one correspondence with the plurality of pins 3. The design of the U-shaped notches 51 can satisfy the requirement that the PCB 5 is transversely inserted on the pin column 21 on which the enameled wire 4 is wound, thereby realizing the combined operation of the PCB 5, the pins 3 and the pin column 21.

[0024] In an embodiment, a plurality of through holes 52 for welding external power supply wires are vertically formed on the PCB 5. After the external power supply wires are welded on the through holes 52, the external power supply wires are electrically connected with the PCB 5. Then, the PCB 5, the pins 3 and the enameled wire 4 are welded together, thereby realizing the electrical connection between the winding and external components (not shown in the figure).

[0025] In an embodiment, the insulating frame 2 is made of a material having insulation, voltage resistance and heat resistance, and can insulate the enameled wire (i.e. the stator winding) wound on the insulating frame 2. The insulating frame 2 is preferably made of nylon material, and can also be made of other materials having insulation, voltage resistance and heat resistance, which are not limited herein.

[0026] The utility model embodiment further provides a motor, including rotor (not shown in the figure) and like above a kind of novel sealed connection stator.

[0027] The above description is only the preferred embodiment of the utility model, and is not used to limit the utility model, any modification, equivalent replacement and improvement made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A novel sealed connection stator characterized in that, The application relates to a new type of sealed connection stator, which comprises a stator core, an insulation frame, a PCB board and an enameled wire wound on the stator core, a plurality of winding columns and a plurality of pin columns with insertion holes are arranged in the insulation frame at intervals, the winding columns and the pin columns are arranged adjacently one by one, and the insertion holes are correspondingly inserted with pins, wherein one side of the enameled wire is wound from the winding column and gradually transitionally wound on the upper side of the pin, and the lower side of the pin without the enameled wire and the pin column form an installation space, and the PCB board can be installed on the installation space in the horizontal direction.

2. A novel sealed connection stator as claimed in claim 1, characterized in that: The pins, the PCB board and the enameled wire wound on the pins are fixed together by welding and form welding points.

3. A novel sealed connection stator as claimed in claim 2, characterized in that: The welding points are coated with insulation sealant which completely covers the welding points.

4. A novel sealed connection stator as claimed in claim 1, characterized in that: The winding column is a stepped structure with a narrow upper part and a wide lower part, the bottom surface of the narrow part of the winding column is higher than the top surface of the pin column, and the back surface of the PCB board is overlapped on the top surface of the pin column.

5. A novel sealed connection stator as claimed in claim 1, characterized in that: U-shaped notches are arranged on the side wall of the PCB board along the length direction at intervals, and the U-shaped notches and the pins are arranged one by one.

6. A new type of sealed connection stator as claimed in claim 1, characterized in that: A plurality of through holes for welding external power lines are vertically arranged on the PCB board.

7. A new type of sealed connection stator as claimed in claim 1, characterized in that: The insulation frame is made of a material with insulation, voltage resistance and heat resistance.

8. An electric machine characterized by The application relates to a new type of sealed connection stator, which comprises a stator core, an insulation frame, a PCB board and an enameled wire wound on the stator core, a plurality of winding columns and a plurality of pin columns with insertion holes are arranged in the insulation frame at intervals, the winding columns and the pin columns are arranged adjacently one by one, and the insertion holes are correspondingly inserted with pins, wherein one side of the enameled wire is wound from the winding column and gradually transitionally wound on the upper side of the pin, and the lower side of the pin without the enameled wire and the pin column form an installation space, and the PCB board can be installed on the installation space in the horizontal direction.

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