Coaxial single or multi-piece multi-combination small power generator

Abstract

The utility model discloses a kind of small or multiple combinations of single or multiple coaxial small and medium power generator, including single-side support, double-side support and middle straight plate support, bearing seat is installed on single-side support, double-side support or middle straight plate support, positioning coil and rotor are installed using bearing seat and central shaft;According to the number of series and interval column number of coaxial rotor, constitute single or multiple combinations of generator, drive using pulley or sprocket or gear or shaft coupling mode.The generator of the utility model is the combination of small generator, simple and fast to manufacture, combined ingenious and reasonable, increase generator power, provide power charging endurance power for modernization intelligentization facility and battery of industrial and agricultural production and service industry.

Description

Technical Field

[0001] This utility model relates to generators, specifically to a coaxial single-piece or multi-piece combination small and medium power generator. Background Technology

[0002] With the continuous advancement of modernization, automation, and intelligentization in industry, agriculture, and service sectors, the demand for small and medium-power generators capable of supplying power to motors and charging batteries is increasing. This includes various manned or unmanned electric vehicles and boats, mobile agricultural and forestry machinery, intelligent complementary wind and solar power generation, intelligent UPS emergency power supplies for power distribution rooms, and emergency power generation vehicles for field operations. Previously, many of my external rotor generator designs were attached to gasoline or diesel engines, but their power output is now clearly insufficient. Summary of the Invention

[0003] The purpose of this utility model is to provide a coaxial single-chip or multi-chip combination small and medium power generator, driven by pulleys, etc., to provide continuous power guarantee for electric vehicles, boats and agricultural and forestry machinery, UPS emergency power supplies that are connected to or disconnected from the grid, and wind, solar and tidal power generation systems that are connected to or disconnected from the grid.

[0004] The solution of this utility model is: a coaxial single-piece or multi-piece combination small and medium power generator, including a single-sided bracket, a double-sided bracket and a middle straight plate bracket, a bearing seat is installed on the single-sided bracket, the double-sided bracket or the middle straight plate bracket, a coil is installed on the bearing seat, a central shaft is installed in the bearing hole, a rotor is installed on the central shaft, and the bearing seat and the central shaft are used to position the coil and the rotor; according to the number of rotors connected in series and the number of intervals on the coaxial, a single-piece or multi-piece combination generator is formed, which is driven by a belt (pull, sprocket, gear or coupling, the same below).

[0005] Furthermore, the single-sided and double-sided brackets are made of steel plate bending (or steel plate welding or cast iron or cast aluminum, the same below) 7-shaped brackets or steel plate welding inverted T-shaped brackets, and the main body shape of their end faces is a rectangle of different shapes; their bent short sides have elongated holes for installing generator systems; the main body of the bracket has a central shaft hole or screw holes corresponding to the coil and interconnection mounting holes for fixing screws.

[0006] Furthermore, the bearing housing is directly manufactured from round steel (or aluminum alloy, the same below), consisting of large and small circles. The small circle is slightly smaller than the inner diameter of the coil by a few wires, and screw holes corresponding to the coil holes are drilled or tapped on the large circle.

[0007] Furthermore, the central shaft is directly manufactured from round steel; the front end of the central shaft has a keyway (or thread or spline, the same below), and a screw hole in the center; as needed, the central shaft has one or more keyways or even a long keyway in the middle; the rear end of the central shaft has a keyway or taper, and a screw hole in the center.

[0008] Furthermore, depending on the needs, the support can be single-sided or double-sided; the double-sided support also has 1-N straight plate supports in the middle; the double-sided support and the 1-N middle straight plate supports are connected by high-strength screws.

[0009] Furthermore, a bearing housing is welded to one side of a single-sided bracket, double-sided bracket, or middle straight plate bracket. The small disc of the bearing housing is inserted into the inner circle of the coil to precisely position the coil. The rotor is installed by inserting the central shaft into the bearing hole, and the coil is fixed to the large disc of the bearing housing with screws.

[0010] Furthermore, two or three rotors are installed on the bearing housing and central shaft of the single-sided support; two or three rotors are installed on the bearing housing and central shaft of one side of the double-sided support; and one N-group rotor, two N-group rotors, or three N-group rotors are installed on the bearing housing and the same central shaft of one side of the double-sided support and the middle support of 1-N straight plates.

[0011] Furthermore, protective covers are installed on the bracket and outside the generator; the protective covers are rectangular or circular; the protective covers have only ventilation and heat dissipation gaps, or only ventilation and heat dissipation holes, or both ventilation and heat dissipation gaps and ventilation and heat dissipation holes, which are circular or elliptical in different shapes.

[0012] The advantages of this utility model are: the generator is a combination of small motors, which is simple and quick to manufacture, and the combination is ingenious and reasonable, increasing the generator power and providing power for charging and battery life for modern intelligent facilities and equipment in industrial and agricultural production and service industries. Attached Figure Description

[0013] Figure 1 A generator consisting of two tightly coupled coaxial plates on a single-sided 7-shaped bracket;

[0014] Figure 1-1 This is a schematic diagram of the front ventilation holes for heat dissipation.

[0015] Figure 1-2 This is a schematic diagram of the side ventilation holes for heat dissipation.

[0016] Figure 2 A single-sided figure-7 bracket coaxial 3-piece tightly assembled generator;

[0017] Figure 3 It is a generator with two coaxially tightly combined parts on a single-sided inverted T-shaped bracket;

[0018] Figure 4 A generator consisting of three tightly integrated coaxial plates on a single-sided inverted T-shaped bracket;

[0019] Figure 5 It is a double-sided 7-shaped bracket coaxial two-piece compact combination generator;

[0020] Figure 5-1 This is a schematic diagram of a rectangular protective shield;

[0021] Figure 6 A double-sided 7-shaped bracket coaxial 3-piece compact assembly generator;

[0022] Figure 7 It is a double-sided 7-shaped bracket coaxial 2-piece 2-combination generator;

[0023] Figure 7 - 1 is a schematic diagram of a protective cover with ventilation and heat dissipation;

[0024] Figure 8 It is a double-sided 7-shaped bracket coaxial 3-piece 2-combination generator;

[0025] Figure 9 A dual-sided 7-shaped bracket coaxial 1-piece 2-unit combined generator;

[0026] Figure 10 It is a double-sided 7-shaped bracket coaxial 1-piece 3-combination generator;

[0027] Figure 11 A bearing housing for precisely positioning the outer diameter of the coil;

[0028] Figure 11-1 for Figure 11 One of them;

[0029] Figure 11-2 for Figure 11 The second one;

[0030] Figure 12 This is a view of the bracket end face;

[0031] Figure 12-1 for Figure 12 One of them;

[0032] Figure 12-2 for Figure 12 The second one. Detailed Implementation

[0033] The technical solution of this utility model will be further described below with reference to the accompanying drawings.

[0034] like Figure 1As shown: 1-a is a 7-shaped bracket made of bent steel plate; a bearing housing 1-c with built-in bearings is welded onto the bracket to fix the stator coil of the generator; a central shaft 1-b is inserted into the bearing housing, with a keyway at one end, a screw hole at the center of the end for fixing the pulley, and a screw hole at the center of the tail for fixing the rotor 1-d of the generator; 1-d is an external rotor generator with two tightly combined built-in stator coils; the rotor 1-d and the central shaft of 1-b are positioned by a key and keyway or by a taper; 1-e is a shim and screw for fixing the rotor 1-d; 1-f are four elongated screw holes for fixing the bracket, which facilitates the adjustment of belt tension; a protective cover is installed between the generator and the bracket, with ventilation holes or ventilation gaps on the protective cover.

[0035] Figure 1-1 Figure 1-2 It has ventilation holes on the front and sides; in application, depending on the needs, either a single side ventilation hole, a single front ventilation hole, or only a ventilation gap are left, the same below; or both ventilation gaps and ventilation holes are present, the same below; the ventilation and heat dissipation protective cover can be round or rectangular, or it can be other shapes, the same below.

[0036] like Figure 2 As shown: A single-sided figure-7 bracket coaxially arranged 3-piece tightly assembled generator; 2-a is a figure-7 bracket made of bent steel plate; bearing housing 2-c with built-in bearings is welded onto the bracket to fix the generator's stator coils; a central shaft 2-b passes through the bearing housing, with a keyway at one end and a screw hole at the center of the end for fixing the pulley, etc., and a screw hole at the center of the tail for fixing the generator rotor 2-d; 2-d is a 3-piece external rotor generator with built-in stator coils; the rotor 2-d and the central shaft 2-b are positioned by key and keyway or tapered positioning; 2-e are the shims and screws for fixing the rotor 2-d; 2-f are the screw holes for fixing the bracket, which are elongated holes for easy adjustment of belt tension; if a ventilation and heat dissipation protective cover is installed, see [reference needed]. Figure 1-1 Figure 1-2 .

[0037] like Figure 3 As shown, this is a single-sided inverted T-shaped bracket coaxially assembled with two tightly combined generators; 3-a is an inverted T-shaped bracket made of two steel plates vertically welded together; bearing housings 3-c with built-in bearings are welded onto the bracket to fix the stator coils of the generator; a central shaft 3-b is inserted into the bearing housing, with a keyway at one end, a screw hole at the center of the end for fixing a pulley, and a screw hole at the center of the tail for fixing the rotor 3-d of the generator; 3-d is an external rotor generator with two built-in stator coils; the rotor 3-d and the central shaft 3-b are positioned by a key and keyway or by a taper; 3-e is the shim and screws for fixing the rotor 3-d; 3-f are four elongated screw holes for fixing the generator system, facilitating adjustment of belt tension, etc.; a ventilation and heat dissipation protective cover is installed, see [reference]. Figure 1-1 Figure 1-2 .

[0038] like Figure 4 As shown, this is a generator with three coaxially arranged pieces on a single-sided inverted T-shaped bracket.

[0039] 4-a is an inverted T-shaped bracket made by vertically welding two steel plates; a bearing housing 4-c with an internal bearing is welded onto the bracket to fix the stator coils of the generator; a central shaft 4-b is inserted into the bearing housing, with a keyway at one end, a screw hole at the center of the end for fixing a pulley, and a screw hole at the center of the tail for fixing the generator rotor 4-d; 4-d is an external rotor generator with three internal stator coils; the rotor 4-d and the central shaft 4-b are positioned by a key and keyway or by a tapered joint; 4-e consists of shims and screws for fixing the rotor 4-d; 4-f consists of four elongated screw holes for fixing the generator system, facilitating adjustment of belt tension, etc.; a ventilation and heat dissipation protective cover is installed, see [reference]. Figure 1-1 Figure 1-2 .

[0040] like Figure 5 As shown, this is a double-sided figure-7 bracket coaxially assembled generator with two tightly combined components. In the figure: 5-a is a double figure-7 bracket made of bent steel plate; a bearing housing 5-c with built-in bearings is welded to one side of the bracket, and the stator coil of the generator 5-d is installed; a central shaft 5-b is inserted into the bearing housing, and the rotor of the generator 5-d is installed; the end of the central shaft has a keyway, etc., and the center of the end has a screw hole for fixing pulleys, etc., and the tail of the central shaft has a screw hole for fixing the rotor; 5-d is an external rotor generator with two built-in stator coils; the rotor 5-d and the central shaft 5-b are positioned by key and keyway or tapered positioning; 5-e is the shim and screw for fixing the rotor 5-d; 5-f are the four elongated screw holes for fixing the generator system, which are convenient for adjusting the tension of belts, etc.; 5-h is the steel plate base connecting the two figure-7 brackets; 5-g is the screw connecting the two brackets, usually about four screws.

[0041] like Figure 5-1 As shown, this is a rectangular shield, where 5-l is the main body of the rectangular shield; 5-j is the ventilation and heat dissipation gap; the others are the same. Figure 5 Of course, ventilation and heat dissipation holes can also be opened on the protective cover at the same time, or only ventilation and heat dissipation holes can be opened on the protective cover without leaving ventilation and heat dissipation gaps.

[0042] like Figure 6As shown, this is a coaxial three-piece tightly assembled generator with a double-sided figure-7 bracket. In the diagram: 6-a is a double-sided figure-7 bracket made of bent steel plate; a bearing housing 6-c with an internal bearing is welded to one side of the bracket, where the generator's stator coil 6-d is installed; a central shaft 6-b is inserted into the bearing housing, where the generator's rotor 6-d is installed; the central shaft has a keyway at one end and screw holes at the center of the end for fixing pulleys, etc., and screw holes at the tail end for fixing the generator rotor; 6-d is an external rotor generator with three internal stator coils; 6-e is a shim and screws for fixing the rotor 6-d; the rotor of generator 6-d and the central shaft of 6-b are positioned using a key and keyway or a tapered design; 6-f are four elongated screw holes for fixing the generator system bracket, facilitating belt tension adjustment; 6-h is a steel plate base connecting the two figure-7 brackets; 6-g is a screw connecting the two side brackets, typically around 4mm; a ventilation protective cover is installed (see [reference]). Figure 5-1 .

[0043] like Figure 7 As shown, this is a generator consisting of two coaxially arranged 2-piece sets with a double-sided 7-shaped bracket and a middle bracket. In the figure: 7-a is a double 7-shaped bracket made of bent steel plate and a middle bracket 7-a1; a bearing housing 7-c with an internal bearing is welded to one side of the bracket 7-a to fix the stator coil of generator 7-d; a bearing housing 7-c1 is welded to one side of the middle bracket 7-a1 to fix the stator coil of generator 7-d1; the same central shaft 7-b is inserted into the two bearing housings to install the generator rotor consisting of two pieces of 7-d and two pieces of 7-d1 respectively; the end of the central shaft has a keyway, etc., and a screw hole for fixing the pulley in the center, and a screw hole at the tail of the central shaft for fixing the rotor 7-d1; 7-e is a small outer diameter shim that is fitted on the generator shaft, with one end pressing against the rotor end cover of 7-d and the other end pressing against the inner ring of the bearing in the bearing housing 7-c1 to fix the rotor of generator 7-d. 7-e1 consists of shims and screws for fixing the rotor of generator 7-d1; generator rotor 7-d is positioned to the central shaft using a key and keyway, while generator rotor 7-d1 is positioned to the central shaft using a key and keyway or a tapered positioning; 7-f consists of four elongated screw holes for fixing the generator system, facilitating belt tension adjustment; 7-h consists of a steel base plate connecting the two 7-shaped brackets or the intermediate bracket; 7-g consists of studs connecting the two side brackets and the intermediate bracket, typically around four studs; the above describes a 2-piece, 2-unit generator combination. To increase power, 2 pieces can be combined into N units.

[0044] like Figure 7 - 1 shows the ventilation and heat dissipation protective cover for a 2-piece 2-unit generator. 7-j is the main body of the protective cover, and 7-l shows the ventilation and heat dissipation gaps on the protective cover; the rest are the same. Figure 7 The protective cover can have ventilation and heat dissipation gaps, ventilation and heat dissipation holes, or only ventilation and heat dissipation holes, or only ventilation and heat dissipation gaps.

[0045] like Figure 8 As shown, this is a 2-unit generator with two coaxial 3-piece sets of two-piece sets, supported by a double-sided 7-shaped bracket and a middle bracket. In the diagram: 8-a is a double 7-shaped bracket made of bent steel plate and a middle bracket 8-a1; a bearing housing 8-c with an internal bearing is welded to one side of the bracket 8-a to fix the stator coil of generator 8-d; a bearing housing 8-c1 is welded to one side of the middle bracket 8-a1 to fix the stator coil of generator 8-d1; the same central shaft 8-b is inserted into the two bearing housings to install the 3-piece sets of generator rotors of 8-d and 8-d1 respectively; the central shaft has a keyway at one end, a screw hole for fixing a pulley in the center, and a screw hole at its tail for fixing rotor 8-d1; 8-e is a small outer sleeve fitted on the generator shaft. Thickened shims are used to secure rotor 8-d. One end rests on the rotor end cover of 8-d, and the other end rests on the inner ring of the bearing in bearing housing 8-c1. 8-e1 consists of shims and screws used to secure rotor 8-d1. Rotor 8-d is positioned to the central shaft using a key and keyway, while generator rotor 8-d1 is positioned to the central shaft using a key and keyway or a tapered design. 8-f contains four elongated screw holes for fixing the generator system, facilitating belt tension adjustment. 8-h is a steel base plate connecting two L7 brackets or a central bracket. 8-g consists of studs connecting the two side and central brackets, typically around four. The above describes a 3-piece, 2-unit generator; for increased power, a 3-piece, N-unit combination is also possible. For the installation of a ventilation and heat dissipation protective cover, please refer to [reference needed]. Figure 7-1 .

[0046] like Figure 9 As shown, this is a double-sided 7-shaped bracket and a middle bracket coaxially arranged 2-piece generator; in the figure: 9-a is a double 7-shaped bracket made of bent steel plate and a middle bracket 9-a1; a bearing housing 9-c is welded to one side of the bracket to fix the 9-d stator coil; a bearing housing 9-c1 is welded to one side of the middle bracket 9-a1 to install the 9-d1 stator coil; the same central shaft 9-b is inserted into the bearing housings 9-c and 9-c1, and one piece of rotor 9-d and one piece of rotor 9-d1 are respectively installed on the shaft; the end of the shaft has a keyway, a screw hole for fixing a pulley in the center, and a screw hole at the tail to fix the 9-d1 rotor; 9-e is a component fitted onto the generator shaft. A small-diameter, thickened shim is used to fix the rotor 9-d. One end rests on the center of the rotor end cover of 9-d, and the other end rests on the inner ring of the inner bearing of 9-c1. 9-e1 consists of a shim and screws to fix the rotor 9-d1. The rotor 9-d is positioned to the central shaft using a key and keyway, while the rotor 9-d1 is positioned to the central shaft using a key and keyway or a tapered positioning method. 9-f consists of four elongated holes for fixing the generator system bracket, facilitating belt tension adjustment. 9-h is a steel base plate connecting two L7 brackets or an intermediate bracket. 9-g consists of studs connecting the two side brackets 9-a and the intermediate bracket 9-a1, typically around four studs. A ventilation and heat dissipation protective cover is installed; see [link / reference]. Figure 7-1 .

[0047] like Figure 10 As shown, this is a coaxial 1-piece 3-unit generator with a double-sided 7-shaped bracket and a middle bracket; in the figure: 10-a is a double 7-shaped bracket made of bent steel plate and middle brackets 10-a1 and 10-a2; a bearing housing 10-c with an internal bearing is welded to one side of the bracket to fix the 10-d stator coil; a bearing housing 10-c1 is welded to one side of the 10-a1 bracket to fix the 10-d1 coil; a bearing housing 10-c2 is welded to one side of the 10-a2 bracket to fix the d2 coil; in the bearing... Seats 10-c, 10-c1, and 10-c2 are inserted into the same central shaft 10-b; one of the three rotor pieces 10-d, 10-d1, and 10-d2 are respectively mounted on the central shaft; the shaft has a keyway at one end, a screw hole in the center for fixing a pulley, and a screw hole at the tail end for fixing rotor 10-d2; 10-e is a small-diameter thickened shim that fits on the shaft, with one end resting on the rotor end cover of 10-d and the other end resting on the shaft inside the bearing housing 10-c1. The inner ring of the bearing is used to fix the 10-d rotor; 10-e1 is a small-diameter thickened shim that fits on the shaft, with one end resting on the end cover of the 10-d1 rotor and the other end resting on the inner ring of the bearing in the 10-c2 bearing housing, thus fixing the 10-d1 rotor; 10-e2 is a shim and screw used to fix the 10-d2 rotor; the 10-d and 10-d1 rotors are positioned to the central shaft using a key and keyway, while the 10-d2 rotor is positioned to the central shaft using a key and keyway or a tapered positioning method. ; 10-f are four elongated holes for fixing the generator system bracket, facilitating the adjustment of belt tension, etc.; 10-h is a steel plate base plate connecting the two 7-shaped brackets 10-a or the intermediate brackets 10-a1 and 10-a2; 9-g are studs connecting the two side brackets 10-a and the intermediate brackets 10-a1 and 10-a2, usually about four in total; the above is a combination of three parts of one generator piece. To increase power, it can also be combined into N parts; for installing the ventilation and heat dissipation protective cover, see [link / reference]. Figure 7-1 .

[0048] Figure 10 and Figure 9 The principle is basically the same. The reason for elaborating is to emphasize the intermediate bearing housing 10-c1. By drilling screw holes on the non-edge bracket 10-a1 that precisely align with the stator coils, this bearing housing can be omitted, leaving only the bearing housing for 10-c2. Similarly, in a 1-piece / N-piece assembly, the bearing housing on the intermediate bracket can be omitted, or some of the intermediate bracket bearing housings can be retained to reduce rolling friction resistance. Of course, the bearing housing for the last piece mounting the generator stator coil should be retained. (The last part, which has an intermediate bracket, is also mentioned.) Figure 7 and Figure 8 With multiple combinations, provided that the screw holes on the non-side intermediate bracket are precisely aligned with the coil mounting holes, the bearing seat and bearing on the non-side intermediate bracket can be omitted; the combination description of the inverted T-shaped bracket installation is omitted from the previous description.

[0049] like Figure 11 As shown, this is a bearing housing for precisely positioning the outer diameter of the generator coil. In the figure: 11-a is the large outer disc of the bearing housing, which is circular (rectangular or rounded rectangle, the same below), and has about 4 screw holes 11-b for installing the stator coil. If the large disc is slightly larger than the small outer disc, the screw holes for installing the stator coil are directly drilled into the bracket. 11-c is the small outer disc of the bearing housing, which is slightly smaller than the inner diameter of the stator coil by a few micrometers. The stator coil is precisely positioned on the small disc. 11-d is the central shaft passing through the bearing hole.

[0050] Figure 11-1 In the diagram, 11-a is the large outer disc of the bearing housing, with approximately four screw holes 11-b for mounting the stator coils. If the large outer disc is slightly larger than the small outer disc, the screw holes for mounting the stator coils are directly drilled into the bracket. 11-c is the small outer disc of the bearing housing, which is slightly smaller than the inner diameter of the stator coil by a few micrometers. The stator coil fits perfectly onto the small outer disc, ensuring precise coil positioning. The small outer disc is relatively long and can be used to precisely position multiple generator stator coils simultaneously as needed. 11-d is the central shaft that passes through the bearing holes.

[0051] Figure 11-2 In the diagram, 11-a is the large outer diameter disc of the bearing housing, with approximately four screw holes 11-b for mounting the stator coils. If the large outer diameter disc 11-a is slightly larger than the small outer diameter discs 11-c and 11-c1 by a few tens of micrometers, then there are no screw holes for mounting the coils. The small outer diameter discs 11-c and 11-c1 are slightly smaller than the inner diameter of the generator stator coils by a few micrometers, and are simultaneously clamped into two or more stator coils on both sides, precisely positioning two or more stator coils. 11-d is the central shaft passing through the bearing hole. Figure 11-2 The bearing housing in the design may or may not have a bearing, depending on the requirements.

[0052] from Figure 11 , Figure 11-1 , Figure 11-2 As can be seen, the small outer circle of the bearing housing is stuck inside the generator coil, the central shaft is stuck inside the bearing hole, the generator rotor is installed on the central shaft, and the coil is installed on the bearing housing. In this way, the rotor and the coil are precisely positioned, and the generator stator coil and the generator outer rotor will never be damaged by friction.

[0053] like Figure 12The diagram shows the end faces of different brackets. In the diagram: 12-a is a welded steel plate base with an elongated screw hole 12-j for fixing the generator and adjusting the tension of the pulley; 12-b is the connecting plate between the circular main body and the base; 12-c is the circular bracket main body; 12-d is the large outer circle of the bearing seat; 12-e is the small outer circle of the bearing seat that is fitted into the generator stator coil, and the bearing 12-f is inside the circle; 12-g is the bearing hole that passes through the central shaft; 12-h are the four screw holes for installing the stator coil; 12-l are the four screw connection holes for the double-sided bracket and the middle bracket.

[0054] like Figure 12-1 As shown, 12-a is a bent base with an elongated screw hole 12-j for fixing the generator and adjusting the tension of the pulley; 12-c is the main body of the bracket below the upper circle; 12-d is the large outer circle of the bearing housing; 12-e is the small outer circle of the bearing housing that is fitted into the stator coil, and the bearing 12-f is inside the circle; 12-g is the bearing hole that passes through the central shaft; 12-h are the four screw holes for installing the stator coil; and 12-l are the screw connection holes for the double-sided bracket and the middle bracket.

[0055] like Figure 12-2 As shown, 12-a is a steel plate bent base with an elongated screw hole 12-j for fixing the generator and adjusting the tension of the pulley; 12-c is the rectangular support body; 12-d is the large outer circle of the bearing housing; 12-e is the small outer circle of the bearing housing that is fitted into the stator coil, with a bearing inside the circle 12-f; 12-g is the bearing hole that passes through the central shaft; 12-h are the four screw holes for installing the stator coil; and 12-l is the connection hole for the double-sided support and the middle support screw.

[0056] The above lists three different bracket shapes. Regardless of the shape, the basic principle is the same: to mount the rotor and coil via the bearing housing. All of these are within the scope of this design. All of the above are single-sided brackets. If a double-sided bracket is to be made, the bearing housing can be fixed to the back of the bracket.

[0057] Small-power generators composed of single or multiple coaxial wafers produce alternating current (AC). If direct current (DC) is required, a rectifier is needed for rectification. To obtain high or low voltage, in addition to adjusting the number of coil turns, series and parallel circuits can be used to adjust the voltage. In special cases, voltage stabilization measures are required.

[0058] In conclusion, small and medium power generators composed of single or multiple coaxial wafers will undoubtedly play an important role in the modernization and intelligentization of new energy in industrial and agricultural production and the tertiary sector.

Claims

1. A multi-combination small and medium power generator with single or multiple coaxial plates, characterized by: It includes single-sided brackets, double-sided brackets, and intermediate straight plate brackets. The bearing housing is installed on the single-sided bracket, double-sided bracket, or intermediate straight plate bracket. The coil is installed on the bearing housing. The central shaft is installed in the bearing hole. The rotor is installed on the central shaft. The bearing housing and central shaft are used to position the coil and the rotor. According to the number of rotors connected in series and the number of intervals on the coaxial shaft, a single or multiple multi-combination generator is formed, which is driven by pulleys, sprockets, gears, or couplings.

2. The coaxial single-piece or multi-piece multi-combination small and medium power generator according to claim 1, characterized in that: Single-sided and double-sided supports are 7-shaped or inverted T-shaped supports made of steel plates bent or welded, or cast iron or cast aluminum.

3. The coaxial single-piece or multi-piece multi-combination small and medium power generator according to claim 1, characterized in that: The main body of the bracket end face is rectangular in shape; its short bent side has an elongated hole for installing the generator system; the main body of the bracket has a central shaft hole or coil mounting hole and interconnection mounting holes for fixing screws.

4. The coaxial single-piece or multi-piece multi-combination small and medium power generator according to claim 1, characterized in that: Depending on the needs, the support can be single-sided or double-sided; the double-sided support also has 1-N intermediate straight plate supports in the middle; the double-sided support and the 1-N intermediate straight plate supports are connected by high-strength screws.

5. The coaxial single-piece or multi-piece multi-combination small and medium power generator according to claim 1, characterized in that: The bearing housing is made directly from round steel or round aluminum alloy. It consists of large and small circles. Screw holes corresponding to the coil holes are drilled or tapped on the large circle, and the small circle is slightly smaller than the inner diameter of the coil by a few wires.

6. The coaxial single-piece or multi-piece combination small and medium power generator according to claim 1, characterized in that: The central shaft is made directly from round steel; the front end of the central shaft has a keyway with a screw hole in the center; as needed, the central shaft has one or more keyways or even a long keyway in the middle; the rear end of the central shaft has a keyway or a taper with a screw hole in the center.

7. The coaxial single-piece or multi-piece multi-combination small and medium power generator according to claim 1, characterized in that: On one side of a single-sided bracket, double-sided bracket, or intermediate straight plate bracket, a bearing housing is welded. The small circle of the bearing housing is inserted into the inner circle of the coil to install the positioning coil. The coil is fixed to the large circle of the bearing housing with screws. A central shaft is inserted into the bearing hole of the bearing housing, and the positioning rotor is installed through a key and keyway or a taper. For intermediate straight plate brackets on non-sides, screw holes are opened to precisely align with the coil mounting holes. A bearing housing may be present or omitted. For intermediate straight plate brackets on non-sides, screw holes are opened to precisely position the coil. The bearing housing on the bracket is omitted and replaced by a bearing housing between the two coils. The bearing housing may contain a bearing or not.

8. The coaxial single-piece or multi-piece multi-combination small and medium power generator according to claim 1, characterized in that: Two or three rotors are installed on the bearing housing and central shaft of the single-sided support; two or three rotors are installed on the bearing housing and central shaft of one side of the double-sided support; one N-group rotor, two N-group rotors, or three N-group rotors are installed on the bearing housing and the same central shaft of the straight plate support in the middle of the 1-N blocks on one side of the double-sided support.

9. The coaxial single-piece or multi-piece multi-combination small and medium power generator according to claim 1, characterized in that: Install protective covers on the support frame and on the outside of the generator.

10. The coaxial single-piece or multi-piece multi-combination small and medium power generator according to claim 9, characterized in that: The protective cover can be rectangular or circular; the protective cover may have only ventilation gaps, only ventilation holes, or both ventilation gaps and ventilation holes; the ventilation holes may be circular or elliptical in different shapes.

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