A single-phase ironless energy-saving motor
By designing a single-phase, iron-core-free energy-saving motor, adopting a compact structure and an easy-to-install coil frame, the problems of complex structure and high cost of traditional motors are solved, and the effect of energy saving and convenient manufacturing is achieved.
Patent Information
- Application Number
- CN202110134232.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2021-01-29
- Publication Date
- 2025-05-23
- Estimated Expiration
- 2041-01-29
AI Technical Summary
The existing traditional motors have complex structures, large materials for silicon steel sheets, large magnetic circuit losses, large weight, high cost, and difficult to produce.
A single-phase, iron-core-free energy-saving motor is designed, adopting a bearing frame with a vertical position on the central axis, an upper and lower baffle plate with a symmetrical upper and lower baffle plate, a permanent magnet rotor and a stator structure. The coil frame can be plugged in, and the fastening device is non-magnetic, non-steel bolts.
It realizes an energy-saving motor with compact structure, convenient manufacturing, and easy to install and disassemble coils, reduces production costs, and is suitable for use in various speed control machines.
Smart Images

Figure CN112787448B_ABST
Abstract
Description
Technical Field
[0001] The invention relates to a single-phase ironless core energy-saving motor, in particular to a single-phase ironless core energy-saving motor with compact structure, convenient manufacturing and easy installation and removal of coils. Background Art
[0002] An electric motor is a device that converts electrical energy into mechanical energy. It uses an energized coil (i.e., stator winding) to generate a rotating magnetic field and act on a magnetic rotor to form a three-phase rotating magnetic field. The electric motor is mainly composed of a stator and a rotor. The direction of the force movement of the energized conductor in the magnetic field is related to the direction of the current and the direction of the magnetic flux lines (magnetic field direction). The working principle of the electric motor is that the magnetic field acts on the force of the current to make the motor rotate. At present, traditional electric motors for teaching are relatively complex in structure, use a lot of silicon steel sheets, have large magnetic circuit losses, are heavy, and are costly. They are not easy to produce. How to overcome the above-mentioned problems is a problem that the present invention needs to solve. Summary of the invention
[0003] The technical problem to be solved by the present invention is to provide a single-phase coreless energy-saving motor, which has the characteristics of compact structure, convenient manufacturing and easy installation and removal of coils.
[0004] In order to solve the above technical problems, the technical solution of the present invention is: a single-phase coreless energy-saving motor, whose innovation lies in: the single-phase coreless energy-saving motor includes a bearing frame with a vertically arranged central axis, an upper baffle and a lower baffle for the bearing frame to pass through and symmetrically arranged up and down, a permanent magnet rotor installed on the bearing frame and located between the upper baffle and the lower baffle, and a stator installed between the upper baffle and the lower baffle and located outside the permanent magnet rotor, the upper baffle and the lower baffle are provided with coil skeletons, the upper baffle end and the lower baffle end pass through the coil skeleton, the stator is arranged on the lower baffle at the position of the coil skeleton, and a fastening device connecting the upper baffle and the lower baffle is provided between the upper baffle and the lower baffle, and the fastening device is against the coil skeleton.
[0005] Preferably, the upper baffle plate and the lower baffle plate have the same structure, and the upper baffle plate comprises a baffle plate core and four finger-shaped upper baffle plate ends integrated with the baffle plate core.
[0006] Preferably, the four upper baffle ends are arranged in parallel in pairs, and the upper baffle ends are arranged perpendicular to the adjacent upper baffle ends.
[0007] Preferably, the end of the upper baffle plate and the adjacent end of the upper baffle plate are directly provided with a notch that can be bent.
[0008] Preferably, the extension line of the notch passes through the geometric center of the upper baffle.
[0009] Preferably, the coil skeleton comprises a comb-teeth-shaped vertical plate, a positioning vertical plate, and a coil located between the comb-teeth-shaped vertical plate and the positioning vertical plate.
[0010] Preferably, the comb-teeth-shaped vertical plate is provided with a plurality of continuously distributed groove-like structures, the wires connected to the coil are embedded in the groove-like structures, and the groove-like structures are located on one side of the upper baffle.
[0011] Preferably, the fastening device is a fastening non-magnetic stainless steel bolt.
[0012] The advantages of the present invention are: by adopting the above structure, the single-phase coreless energy-saving motor mainly saves energy and is easy to manufacture. It is composed of three coils or multiple coils, and is composed of non-magnetic stainless steel plates and stainless steel screw rods. The rotor is a permanent magnet and a stainless steel shaft. The coil can be plugged in, which is convenient and flexible. The speed can be adjusted by connecting a frequency converter, and it is suitable for use in various speed-regulating machines, such as electric fans, blowers, hair dryers, adjustable-speed electric grinding motors, etc. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0014] Figure 1 It is a stereoscopic diagram of a single-phase ironless energy-saving motor of the present invention.
[0015] Figure 2 It is a front view of a single-phase coreless energy-saving motor of the present invention.
[0016] Figure 3 The utility model is an exploded view of a single-phase coreless energy-saving motor of the present invention.
[0017] In the figure: 1-bearing frame, 2-upper baffle, 21-baffle core, 22-upper baffle end, 23-notch, 3-lower baffle, 4-permanent magnet rotor, 5-stator, 6-fastening device, 71-comb-shaped vertical plate, 72-positioning vertical plate, 73-coil. DETAILED DESCRIPTION
[0018] The single-phase ironless energy-saving motor of the present invention comprises a bearing frame 1 vertically arranged with a central axis, an upper baffle 2 and a lower baffle 3 for the bearing frame to pass through and symmetrically arranged up and down, a permanent magnet rotor 4 installed on the bearing frame and located between the upper baffle and the lower baffle, and a stator 5 installed between the upper baffle and the lower baffle and located outside the permanent magnet rotor, wherein a coil skeleton is arranged on the upper baffle and the lower baffle, and the ends of the upper baffle and the lower baffle pass through the coil skeleton, and the stator is arranged on the lower baffle at the position of the coil skeleton, and a fastening device 6 connecting the upper baffle and the lower baffle is arranged between the upper baffle and the lower baffle, and the fastening device is against the coil skeleton. By adopting the above structure, the single-phase ironless energy-saving motor has the main function of energy saving and is easy to manufacture. It is composed of three coils or multiple coils, and is composed of non-magnetic stainless steel plates and stainless steel screw rods. The rotor is a permanent magnet and a stainless steel shaft. The coil can be plugged in, which is convenient and flexible. The frequency converter can adjust the speed, and it is suitable for various speed regulating machines, such as electric fans, blowers, hair dryers, adjustable speed electric grinding motors, etc.
[0019] The above-mentioned upper baffle and lower baffle have the same structure. The upper baffle includes a baffle core 21 and four finger-shaped upper baffle ends 22 integrated with the baffle core. The four upper baffle ends are arranged in parallel in pairs, and the upper baffle ends are arranged vertically to the adjacent upper baffle ends. The upper baffle ends and the adjacent upper baffle ends are directly provided with notches for bending, and the extension line of the notch passes through the geometric center of the upper baffle.
[0020] The coil frame includes a comb-toothed vertical plate 71, a positioning vertical plate 72, and a coil 73 located between the comb-toothed vertical plate and the positioning vertical plate. The comb-toothed vertical plate is provided with a plurality of continuously distributed groove structures, and the wire connected to the coil is embedded in the groove structure, and the groove structure is located on one side of the upper baffle. The above-mentioned fastening device is a fastening non-magnetic stainless steel bolt.
[0021] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than a limiting technical solution. Those skilled in the art should understand that those modifications or equivalent substitutions of the technical solution of the present invention that do not depart from the purpose and scope of the technical solution should be included in the scope of the claims of the present invention.
Claims
1. A single-phase ironless energy-saving motor, Features: The single-phase coreless energy-saving motor comprises a bearing frame with a vertically arranged central axis, an upper baffle and a lower baffle through which the bearing frame passes and which are symmetrically arranged up and down, a permanent magnet rotor installed on the bearing frame and located between the upper baffle and the lower baffle, and a stator installed between the upper baffle and the lower baffle and located outside the permanent magnet rotor, wherein the upper baffle and the lower baffle are provided with coil skeletons, and the ends of the upper baffle and the lower baffle pass through the coil skeleton, the stator is provided on the lower baffle at the position of the coil skeleton, and a fastening device connecting the upper baffle and the lower baffle is provided between the upper baffle and the lower baffle, and the fastening device abuts against the coil skeleton; The upper baffle and the lower baffle have the same structure, and the upper baffle comprises a baffle core and four finger-shaped upper baffle ends integrated with the baffle core; The coil frame includes a comb-toothed vertical plate, a positioning vertical plate, and a coil located between the comb-toothed vertical plate and the positioning vertical plate; a plurality of continuously distributed groove structures are arranged on the comb-toothed vertical plate, and the wires connected to the coil are embedded in the groove structures, and the groove structures are located on one side of the upper baffle.
2. A single-phase ironless energy-saving motor as claimed in claim 1, Features: The four upper baffle ends are arranged in parallel in pairs, and the upper baffle ends are arranged perpendicularly to the adjacent upper baffle ends.
3. A single-phase ironless energy-saving motor as claimed in claim 2, Features: The end of the upper baffle plate and the adjacent end of the upper baffle plate are directly provided with a notch that can be bent.
4. A single-phase ironless energy-saving motor as claimed in claim 3, Features: The extension line of the notch passes through the geometric center of the upper baffle.
5. A single-phase ironless energy-saving motor as claimed in claim 1, Features: The fastening device is a fastening non-magnetic stainless steel bolt.
Citation Information
Patent Citations
Single-phase coreless energy-saving motor
CN214479937U