CN210405046U - Double-rotor disc type permanent magnet generator - Google Patents
Double-rotor disc type permanent magnet generator Download PDFInfo
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- CN210405046U CN210405046U CN201921777713.3U CN201921777713U CN210405046U CN 210405046 U CN210405046 U CN 210405046U CN 201921777713 U CN201921777713 U CN 201921777713U CN 210405046 U CN210405046 U CN 210405046U
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Abstract
The utility model belongs to the technical field of power generation equipment, in particular to a double-rotor disc type permanent magnet generator, the main structure of which comprises a disc type permanent magnet rotor, a permanent magnet rotor shaft, a permanent magnet rotor bearing, a double-layer bearing, a permanent magnet rotor shaft connecting flange, a disc type winding rotor, a winding rotor end cover shaft, a winding rotor shell, a shell end cover bearing, a shell end cover, a double-layer bearing shell end cover, a winding rotor shaft connecting flange, a base, a lifting ring, a shell, a fixing bolt and a winding cavity; the utility model discloses a birotor generator winding and magnet all rotate to opposite direction as the rotor, have improved the relative speed of winding and magnet under the low-speed, promote the efficiency of generator, and easily make and install, have the characteristics that disk generator is small, light in weight again simultaneously.
Description
The technical field is as follows:
the utility model belongs to the technical field of power generation facility, concretely relates to birotor disk permanent magnet generator utilizes the counter rotation of winding and the two rotors of magnet, improves the generating efficiency.
Background art:
the disc type motor is also called as a disc type motor and has the characteristics of small volume, compact structure, light weight and high efficiency, and the power generation principle is that the permanent magnet is driven to rotate relative to the conductor coil by the action of external mechanical force, and the magnetic induction wire is cut to generate induced electromotive force so as to output electric power. The traditional power generation equipment generally adopts a fixed stator, a rotor rotates relative to the stator, the power generation efficiency is low, and a double-rotor generator is developed for improving the power generation efficiency of the generator. The windings and the magnet windings of the double-rotor generator rotate in opposite directions at the same time, so that the power generation efficiency is improved. Among the prior art, application number is 201820894067.8's utility model patent, discloses a wind power generation equipment, including shaft tower, birotor generator and blade, shaft tower top fixed connection birotor generator, the blade of two equal fixedly connected with of two axis of rotation of birotor generator's two symmetries. The utility model discloses an adopt the birotor generator, it is rotatory along opposite direction between the birotor, relative speed compares stator and rotor and improves 1 times, its energy will improve greatly, the electric energy of conversion is big more, birotor relative rotation number is big, can carry out the effective utilization of wind energy under the low wind speed, energy utilization is higher, effectively solve the problem that can't realize the electricity generation under the low speed, two-bladed formula's rotation moreover, the rotational speed is faster, the conversion is further realized to the electric energy. The utility model discloses a utility model patent of application number 200620167795.6 discloses a birotor generator, and shell (1) plays support, guard action and fixed organism to the organism, links to each other with auxiliary rotor (2) through bearing (8). The auxiliary rotor (2) is composed of coils (12), is connected with the auxiliary power wheel (4) through an auxiliary power shaft (6), and moves in the opposite direction of the main rotor (3) under the action of external force. The main rotor (3) is composed of a magnet (11), is connected with a main power wheel (10) through a main power shaft (9), and forms reverse motion with the auxiliary rotor (2) under the action of external force. The main rotor (3) is connected with the auxiliary rotor (2) through a bearing (8). The output lead (7) is connected with the coil (12) and the electric brush (5) to output current. The utility model discloses a patent of application number 91207521.X discloses a birotor generator, the excitation rotor and the armature of this generator all assemble in the drive shaft, and adopt structure and the winding form similar with "stator" and "armature" of conventional three-phase alternating current generator, the drive wheel of installation on the excitation rotor, a reaction moment for between transmission excitation rotor and armature, specially adapted electromechanical integrated device such as diesel engine-birotor generator-conventional generator, and has simple structure, easy to carry out, be convenient for showing characteristics such as regulation and efficiency improvement. Above-mentioned patent all is birotor generator, and the opposite direction rotation improves the generating efficiency between the birotor, nevertheless all has coaxial duplex bearing's design in its structure, and the axiality error requirement to the bearing is very high, and processing and installation are all more difficult, all have certain influence to operation safety and maintenance, and in prior art, do not discover the disk birotor generator that has small, light in weight.
The utility model has the following contents:
the utility model discloses a overcome the defect that prior art exists, it is unreasonable to current birotor generator structure, have coaxial duplex bearing's design, the shortcoming that the degree of difficulty is high of processing, installation and follow-up maintenance, can batch production make, rational in infrastructure, under low cost's the condition, seek to design a birotor disk permanent magnet generator.
In order to achieve the purpose, the utility model relates to a birotor disk permanent magnet generator, its major structure includes disk permanent magnet rotor, permanent magnet rotor axle, permanent magnet rotor bearing, double-deck bearing, permanent magnet rotor hub connection flange, disk winding rotor, winding rotor end cover axle, winding rotor shell, shell end cover bearing, shell end cover, double-deck bearing shell end cover, winding rotor hub connection flange, base, rings, shell, fixing bolt and winding chamber; in the shell, the winding rotor shell is fixedly connected with a winding rotor end cover and a winding rotor end cover shaft through bolts, and the formed inner space is a winding cavity; the disc type permanent magnet rotor in the winding cavity is fixedly arranged in the middle of the permanent magnet rotor shaft, and fan-shaped permanent magnets are uniformly distributed on the disc type permanent magnet rotor; the left side and the right side of the disc type permanent magnet rotor are disc type winding rotors which are fixedly arranged inside a winding rotor shell, and holes for permanent magnet rotor shafts to pass through are reserved in the centers of the two groups of disc type winding rotors; one end of the permanent magnet rotor shaft enters the winding cavity and is rotationally connected with the winding rotor end cover shaft through a permanent magnet rotor bearing, a permanent magnet rotor shaft connecting flange is fixed at the other end of the permanent magnet rotor shaft, the permanent magnet rotor shaft is rotationally connected with the winding rotor end cover and the double-layer bearing shell end cover through a double-layer bearing, and the permanent magnet rotor shaft, the winding rotor end cover and the double-layer bearing shell end cover can do relative rotational motion; one end of the winding rotor end cover shaft is in a shaft shape and is rotatably connected with the shell end cover through a shell end cover bearing and extends out of the shell end cover, the winding rotor shaft connecting flange is fixedly arranged at the shaft-shaped tail end of the winding rotor end cover shaft, and the other end of the winding rotor end cover shaft is in an end cover shape and is fixedly connected with the winding rotor shell.
The utility model relates to a double-layer bearing comprises an outer ring, an inner ring, a flange middle sleeve, a ball body, a threaded hole and a seam allowance, wherein a group of ball bodies are arranged between the outer ring and the flange middle sleeve, and a group of ball bodies are arranged between the flange middle sleeve and the inner ring, so that the outer ring, the inner ring and the flange middle sleeve can rotate relatively; a circle of seam allowance is arranged on the outer side of the flange middle sleeve and used for positioning during installation; the flange middle sleeve is uniformly provided with a threaded hole around the axis; the inner ring of the double-layer bearing is fixedly connected with the permanent magnet rotor shaft, the outer ring of the double-layer bearing is fixedly connected with the end cover of the double-layer bearing shell, the fixing bolt penetrates through the threaded hole to fixedly connect the end cover of the winding rotor with the double-layer bearing, and the spigot of the fixing bolt corresponds to the protruding structure on the end cover of the winding rotor and is used for positioning and ensuring the coaxiality of the double-layer bearing and the end cover.
The utility model also comprises a collecting ring, a carbon brush holder and a carbon brush; the collecting ring is sleeved on the shaft-shaped part of the end cover shaft of the winding rotor and is electrically connected with the disc winding rotor in the winding cavity; the carbon brush holder is fixedly arranged in the shell end cover, the carbon brush is fixed on the carbon brush holder, is in contact with the collecting ring and is pressed tightly through the spring, and electric energy generated by the disc winding rotor is transmitted.
Compared with the prior art, the utility model, the winding and the magnet winding of generator all rotate to opposite direction as the rotor, have improved the relative speed of winding and magnet under the low-speed, promote the efficiency of generator, and easily make and install, have the characteristics that disc generator is small, light in weight again simultaneously, use environment friendly.
Description of the drawings:
fig. 1 is the main structure principle schematic diagram of the dual-rotor disc type permanent magnet generator of the utility model.
Fig. 2 is a schematic view of the structural principle of the double-layer bearing according to the present invention.
Fig. 3 is a schematic structural principle diagram of a dual-rotor disc type permanent magnet generator according to embodiment 2 of the present invention.
The specific implementation mode is as follows:
the present invention will be further described with reference to the following examples and accompanying drawings.
Example 1:
the main structure of the double-rotor disc type permanent magnet generator related to the embodiment comprises a disc type permanent magnet rotor 1, a permanent magnet rotor shaft 2, a permanent magnet rotor bearing 3, a double-layer bearing 4, a permanent magnet rotor shaft connecting flange 5, a disc type winding rotor 6, a winding rotor end cover 7, a winding rotor end cover shaft 8, a winding rotor shell 9, a shell end cover bearing 10, a collecting ring 11, a carbon brush holder 12, a carbon brush 13, a shell end cover 14, a double-layer bearing shell end cover 15, a winding rotor shaft connecting flange 16, a base 17, a hanging ring 18, a shell 19, a fixing bolt 20 and a winding cavity 21; the shell 19 is respectively fixedly connected with the shell end cover 14 and the double-layer bearing shell end cover 15 through bolts, the hanging ring 18 is integrally and fixedly arranged in the center above the shell 19 and used for hoisting, and the base 17 is arranged below the shell 19; in the shell 19, the winding rotor shell 9 is fixedly connected with the winding rotor end cover 7 and the winding rotor end cover shaft 8 through bolts, and the formed internal space is a winding cavity 21; the disc type permanent magnet rotor 1 in the winding cavity 21 is fixedly arranged in the middle of the permanent magnet rotor shaft 2, and fan-shaped permanent magnets are uniformly distributed on the disc type permanent magnet rotor 1; the left side and the right side of the disc type permanent magnet rotor 1 are provided with disc type winding rotors 6, the disc type winding rotors 6 are fixedly arranged in a winding rotor shell 9, and the centers of the two groups of disc type winding rotors 6 are provided with holes for the permanent magnet rotor shaft 2 to pass through; inside permanent magnet rotor shaft 2's one end got into winding chamber 21, rotate with winding rotor end cover axle 8 through permanent magnet rotor bearing 3 and be connected, permanent magnet rotor shaft 2's the other end is fixed with permanent magnet rotor hub connection flange 5, permanent magnet rotor shaft 2 passes through double-deck bearing 4 and is connected with winding rotor end cover 7 and double-deck bearing housing end cover 15 rotary type, permanent magnet rotor shaft 2, winding rotor end cover 7 and double-deck bearing housing end cover 15 equal rotary motion relatively between two liang.
The double-layer bearing 4 consists of an outer ring 22, an inner ring 23, a flange middle sleeve 24, a sphere 25, a threaded hole 26 and a spigot 27, wherein a group of spheres 25 are arranged between the outer ring 22 and the flange middle sleeve 24, and a group of spheres 25 are arranged between the flange middle sleeve 24 and the inner ring 23, so that the outer ring 22, the inner ring 23 and the flange middle sleeve 24 can rotate relatively; a circle of seam allowance 27 is arranged on the outer side of the flange middle sleeve 24 and used for positioning during installation; 8 threaded holes 26 are uniformly formed in the flange middle sleeve 24 around the axis; the inner ring 23 of the double-layer bearing 4 is fixedly connected with the permanent magnet rotor shaft 2, the outer ring 22 is fixedly connected with the double-layer bearing shell end cover 15, the fixing bolt 20 penetrates through the threaded hole 26 to fixedly connect the winding rotor end cover 7 with the double-layer bearing 4, and the spigot 27 corresponds to a protruding structure on the winding rotor end cover 7 and is used for positioning and ensuring the coaxiality of the double-layer bearing 4 and the winding rotor end cover 7.
One end of a winding rotor end cover shaft 8 is shaft-shaped, is rotatably connected with a shell end cover 14 through a shell end cover bearing 10 and extends out of the shell end cover 14, a winding rotor shaft connecting flange 16 is fixedly arranged at the shaft-shaped tail end of the winding rotor end cover shaft 8, and the other end of the winding rotor end cover shaft 8 is end cover-shaped and is fixedly connected with a winding rotor shell 9; the collecting ring 11 is sleeved on the shaft-shaped part of the winding rotor end cover shaft 8, and the collecting ring 11 is electrically connected with the disc winding rotor 6 in the winding cavity 21; the carbon brush holder 12 is fixedly arranged inside the shell end cover 14, and the carbon brush 13 is fixed on the carbon brush holder 12, contacts with the collecting ring 11 and is pressed tightly through a spring to transmit electric energy generated by the disc winding rotor 6.
The specific working process for power generation in the embodiment is as follows: the winding rotor shaft connecting flange 16 and the permanent magnet rotor shaft connecting flange 5 are respectively connected to external power sources, the power sources are an internal combustion engine, a steam turbine, a water conservancy blade machine, a wind power blade, a cooling tower convection fan blade, a pipeline fluid pump blade machine, a surge blade machine and the like, and the two groups of power sources rotate in opposite directions, namely the permanent magnet rotor shaft connecting flange 5, the permanent magnet rotor shaft 2 and the disc type permanent magnet rotor 1 are driven to rotate positively; the other group of power sources drives the winding rotor shaft connecting flange 16, the winding rotor end cover 7, the winding rotor end cover shaft 8, the winding rotor shell 9 and the disc winding rotor 6 to rotate reversely, and the disc winding rotor 6 and the disc permanent magnet rotor 1 rotate reversely to generate electric energy which is transmitted to the outside of the generator through the collecting ring and the carbon brush.
Example 2:
compared with embodiment 1, the double-rotor disc permanent magnet generator related to the present embodiment has the advantages that a set of permanent magnets is added to the disc permanent magnet rotor 1, and a set of windings is added to the disc winding rotor 6, as shown in fig. 2, so that the present embodiment has higher generating power than that of embodiment 1 under the condition of the same rotating speed.
Claims (3)
1. A double-rotor disc type permanent magnet generator is characterized in that: the main structure comprises a disc type permanent magnet rotor, a permanent magnet rotor shaft, a permanent magnet rotor bearing, a double-layer bearing, a permanent magnet rotor shaft connecting flange, a disc type winding rotor, a winding rotor end cover shaft, a winding rotor shell, a shell end cover bearing, a shell end cover, a double-layer bearing shell end cover, a winding rotor shaft connecting flange, a base, a hanging ring, a shell, a fixing bolt and a winding cavity; in the shell, the winding rotor shell is fixedly connected with a winding rotor end cover and a winding rotor end cover shaft through bolts, and the formed inner space is a winding cavity; the disc type permanent magnet rotor in the winding cavity is fixedly arranged in the middle of the permanent magnet rotor shaft, and fan-shaped permanent magnets are uniformly distributed on the disc type permanent magnet rotor; the left side and the right side of the disc type permanent magnet rotor are disc type winding rotors which are fixedly arranged inside a winding rotor shell, and holes for permanent magnet rotor shafts to pass through are reserved in the centers of the two groups of disc type winding rotors; one end of the permanent magnet rotor shaft enters the winding cavity and is rotationally connected with the winding rotor end cover shaft through a permanent magnet rotor bearing, a permanent magnet rotor shaft connecting flange is fixed at the other end of the permanent magnet rotor shaft, the permanent magnet rotor shaft is rotationally connected with the winding rotor end cover and the double-layer bearing shell end cover through a double-layer bearing, and the permanent magnet rotor shaft, the winding rotor end cover and the double-layer bearing shell end cover can do relative rotational motion; one end of the winding rotor end cover shaft is in a shaft shape and is rotatably connected with the shell end cover through a shell end cover bearing and extends out of the shell end cover, the winding rotor shaft connecting flange is fixedly arranged at the shaft-shaped tail end of the winding rotor end cover shaft, and the other end of the winding rotor end cover shaft is in an end cover shape and is fixedly connected with the winding rotor shell.
2. The dual rotor disc permanent magnet generator of claim 1, wherein: the double-layer bearing comprises an outer ring, an inner ring, a flange middle sleeve, balls, a threaded hole and a spigot, wherein a group of balls are arranged between the outer ring and the flange middle sleeve, and a group of balls are arranged between the flange middle sleeve and the inner ring, so that the outer ring, the inner ring and the flange middle sleeve can rotate relatively; a circle of seam allowance is arranged on the outer side of the flange middle sleeve and used for positioning during installation; the flange middle sleeve is uniformly provided with a threaded hole around the axis; the inner ring of the double-layer bearing is fixedly connected with the permanent magnet rotor shaft, the outer ring of the double-layer bearing is fixedly connected with the end cover of the double-layer bearing shell, the fixing bolt penetrates through the threaded hole to fixedly connect the end cover of the winding rotor with the double-layer bearing, and the spigot of the fixing bolt corresponds to the protruding structure on the end cover of the winding rotor and is used for positioning and ensuring the coaxiality of the double-layer bearing and the end cover.
3. The dual rotor disc permanent magnet generator of claim 1, wherein: the double-rotor disc type permanent magnet generator also comprises a collecting ring, a carbon brush holder and a carbon brush; the collecting ring is sleeved on the shaft-shaped part of the end cover shaft of the winding rotor and is electrically connected with the disc winding rotor in the winding cavity; the carbon brush holder is fixedly arranged in the shell end cover, the carbon brush is fixed on the carbon brush holder, is in contact with the collecting ring and is pressed tightly through the spring, and electric energy generated by the disc winding rotor is transmitted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921777713.3U CN210405046U (en) | 2019-10-22 | 2019-10-22 | Double-rotor disc type permanent magnet generator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921777713.3U CN210405046U (en) | 2019-10-22 | 2019-10-22 | Double-rotor disc type permanent magnet generator |
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| CN210405046U true CN210405046U (en) | 2020-04-24 |
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| CN201921777713.3U Active CN210405046U (en) | 2019-10-22 | 2019-10-22 | Double-rotor disc type permanent magnet generator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110556989A (en) * | 2019-10-22 | 2019-12-10 | 青岛厚德新能源科技开发有限公司 | Double-rotor disc type permanent magnet generator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110556989A (en) * | 2019-10-22 | 2019-12-10 | 青岛厚德新能源科技开发有限公司 | Double-rotor disc type permanent magnet generator |
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