Reciprocating type planetary gear power generation mechanism

Abstract

The reciprocating type planetary gear power generation mechanism comprises an input rod, a planetary gear, an outer rotor, an inner rotor, a one-way clutch and a current collector, the planetary gear comprises a planet carrier, a planet wheel, a sun wheel and an outer gear ring, the input rod is connected with the planet carrier, the planet carrier and the input rod move synchronously, the outer rotor is arranged on the outer gear ring, and the inner rotor is arranged on the one-way clutch. The one-way clutch comprises a first one-way clutch body and a second one-way clutch body, the first one-way clutch body is arranged on the outer gear ring, the second one-way clutch body is arranged on the sun gear, and the rotation directions of the first one-way clutch body and the second one-way clutch body are opposite. The current collector is connected with the inner rotor. The one-way clutch is utilized to enable the inner rotor and the outer rotor to keep relative motion in the motion state, power input by the input end can enable the inner rotor and the outer rotor to have a certain speed difference regardless of forward rotation and reverse rotation, and then power generation is achieved.

Description

Technical Field

[0001] The invention relates to the field of planetary gear generators, and in particular to a reciprocating planetary gear generator mechanism. Background Art

[0002] Due to the bumps and undulations of the road, the wheels of the vehicle will bounce up and down at a high frequency during the entire driving process. Existing vehicles absorb the above bounces through the suspension to avoid affecting the body state, thereby ensuring the comfort of the vehicle. Due to the lack of sufficient energy storage means, the energy carried by the wheel bounce cannot be effectively utilized in fuel vehicles. However, new energy vehicles have the function of kinetic energy recovery. The existing kinetic energy recovery solution is to generate electricity through the wheel-driven generator during braking to achieve energy recovery. There is no energy recovery during the vehicle driving process. However, because there is an energy storage device in the new energy vehicle, the energy carried by the wheel bouncing up and down can be recovered by the energy storage device, and energy can be replenished at all times.

[0003] The prior art has a method of utilizing wheel bounce to improve vehicle comfort and realize adjustable suspension height. For example, a linear motor is provided in the suspension to compensate for the displacement of wheel bounce, thereby improving vehicle comfort and effectively improving the adjustable height of the suspension. However, there is no function of recovering the energy of wheel bounce, resulting in the loss of the above energy.

[0004] In addition to the automotive field, energy recovery is also used in the power generation field, such as vibration power generation and wave power generation. However, there are limitations in application, such as the speed of the inner and outer rotors of the motor need to reach a certain differential speed, and the rotation direction of the inner and outer rotors must be limited to achieve power generation. Therefore, there are many actual application restrictions, which leads to a small application range. The present invention provides a reciprocating planetary gear power generation mechanism to solve the above problems. Summary of the invention

[0005] The present invention provides a reciprocating planetary gear power generation mechanism, which limits the rotation direction of inner and outer rotors so that the speed difference is always maintained, thereby realizing power generation under more input working conditions and having good applicability.

[0006] The technical solution adopted by the present invention to solve the above technical problems is: A reciprocating planetary gear power generation mechanism comprises an input rod, planetary gears, an outer rotor, an inner rotor, a one-way clutch and a current collector, wherein the planetary gears comprise a planet carrier, planetary wheels, a sun gear and an outer gear ring, the input rod is connected to the planet carrier, the planet carrier and the input rod move synchronously, the outer rotor is arranged on the outer gear ring and moves synchronously with the outer gear ring, the inner rotor is arranged on the sun gear and moves synchronously with the sun gear, the one-way clutch comprises a first one-way clutch and a second one-way clutch, the first one-way clutch is arranged on the outer gear ring, the second one-way clutch is arranged on the sun gear, the first one-way clutch and the second one-way clutch have opposite rotation directions, and the current collector is connected to the inner rotor.

[0007] Furthermore, it also includes a support structure, which includes a front support, a rear support, a front bearing seat and a bearing fixing seat. The front end of the outer gear ring is connected to the front support through the front bearing seat, and the rear end of the outer gear ring is connected to the rear support through the bearing fixing seat.

[0008] Furthermore, the first one-way clutch is arranged at the rear end of the outer gear ring and is connected to the bearing fixing seat.

[0009] Furthermore, the second one-way clutch is arranged at the rear end of the sun gear and connected to the bearing fixing seat.

[0010] Furthermore, the outer rotor and the inner rotor are arranged correspondingly, and the outer rotor is located outside the inner rotor.

[0011] Furthermore, a flywheel is provided at the end of the sun gear, and the flywheel is located at the rear end of the sun gear.

[0012] Furthermore, the front bearing seat is movably connected to the front bracket via a bearing, and the bearing fixing seat is fixedly connected to the rear bracket.

[0013] Furthermore, the second one-way clutch and the first one-way clutch are respectively located on the inner and outer sides of the bearing fixing seat.

[0014] Furthermore, the collector includes a collector ring and a brush, wherein the collector ring is fixed on the sun gear and connected to the inner rotor, and the brush is located outside the collector ring.

[0015] Further, the rotation direction of the first one-way clutch is counterclockwise, and the rotation direction of the second one-way clutch is clockwise.

[0016] The beneficial effects of the present invention are as follows: The one-way clutch is used to keep the inner and outer rotors in relative motion at all times. The power input from the input end can make the inner and outer rotors have a certain speed difference regardless of forward or reverse rotation, thereby realizing power generation. Moreover, after the state of the input power changes, such as intermittent, acceleration and deceleration, and reverse rotation, the power transmitted to the inner and outer rotors still works on them, driving the inner rotor or the outer rotor to rotate, which will not cause the motion state of the inner and outer rotors to change, and will not affect the continuity and power generation efficiency of the inner and outer rotors. After the power input at the input end is interrupted, continued power input can still do work on the inner and outer rotors, thereby making the energy utilization rate higher and the power generation capacity more stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the principle of the present invention; Figure 2 It is a schematic cross-sectional view of the structure of the present invention; Figure 3 It is a schematic diagram of the internal structure of the overall structure of the present invention; Figure 4 It is a schematic diagram of limiting the rotation direction of the planetary gear of the present invention.

[0018] Figure numerals: 1. input rod; 2. planetary gear; 21. planetary carrier; 22. planetary gear; 23. sun gear; 24. outer ring gear; 3. outer rotor; 4. inner rotor; 5. one-way clutch; 51. first one-way clutch; 52. second one-way clutch; 6. collector; 7. front bracket; 8. rear bracket; 9. front bearing seat; 10. bearing fixing seat; 11. flywheel. DETAILED DESCRIPTION

[0019] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings of the specification. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0020] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0021] like Figure 1 , 2As shown in Figure 3, a specific embodiment of a reciprocating planetary gear power generation mechanism includes an input rod 1, a planetary gear 2, an outer rotor 3, an inner rotor 4, a one-way clutch 5 and a collector 6, the planetary gear 2 includes a planet carrier 21, a planetary gear 22, a sun gear 23 and an outer ring gear 24, the input rod 1 is connected to the planet carrier 21, the input rod 1 is connected to the external power as a power input end, and the power is input to the planet carrier 21, the planet carrier 21 and the input rod 1 make synchronous movement, the outer rotor 3 is arranged on the outer ring gear 24, and moves synchronously with the outer ring gear 24, the inner rotor 4 is arranged on the sun gear 23, and moves synchronously with the sun gear 23, the sun gear 23 and the outer ring gear 24 serve as power output ends, the one-way clutch 5 includes a first one-way clutch 51 and a second one-way clutch 52, the first one-way clutch 51 is arranged on the outer ring gear 24, the second one-way clutch 52 is arranged on the sun gear 23, the first one-way clutch 51 and the second one-way clutch 52 have opposite rotation directions, and the collector 6 is connected to the inner rotor 4.

[0022] This embodiment uses planetary gears to enable the outer rotor 3 and the inner rotor 4 to generate electricity under a wide range of adaptability conditions. Regardless of whether the input end is forward starting, reverse starting, input interruption during operation, or input redirection during operation, continuous and uninterrupted power generation can be achieved, and power generation can be achieved within a wide range of input power. Specifically, the outer rotor 3 is arranged on the outer gear ring 24, the inner rotor 4 is arranged on the sun gear 23, the planet carrier 21 is used as the power input, and the first one-way clutch 51 is arranged on the outer gear ring 24, and the second one-way clutch 52 is arranged on the sun gear 23. The rotation direction of the sun gear 23 and the outer gear ring 24 is limited by the opposite rotation directions of the first one-way clutch 51 and the second one-way clutch 52. When there is power input, there is a speed difference between the inner rotor 4 and the outer rotor 3, thereby generating electricity.

[0023] like Figure 4As shown, when the power input direction is clockwise, that is, when the input rod 1 drives the planet carrier 21 to rotate clockwise, the outer gear ring 24 and the outer rotor 3 remain stationary, and the sun gear 23 and the inner rotor 4 rotate at an increased speed in the clockwise direction, so that there is a speed difference between the inner rotor 4 and the outer rotor 3; when the power input direction is counterclockwise, that is, when the input rod 1 drives the planet carrier 21 to rotate counterclockwise, the sun gear 23 and the inner rotor 4 remain stationary, and the outer gear ring 24 and the outer rotor 3 rotate at an increased speed in the counterclockwise direction, so that there is a speed difference between the inner rotor 4 and the outer rotor 3. The above-mentioned setting enables power generation when the input power is forward or reverse. When the power input is stopped and restarted after a period of time, or the direction of the power input is directly changed, regardless of whether the input power is forward or reverse, the planet carrier 21 can still drive the sun gear 23 or the outer gear ring 24, and can still drive the inner rotor 4 or the outer rotor 3 to continue to rotate, so that power generation can continue, and will not affect the structure.

[0024] Directly applying forward and reverse rotational motion to the input rod 1, or converting vibration or reciprocating motion into forward and reverse rotational motion can drive the inner rotor 4 and the outer rotor 3, so that a speed difference occurs between them, thereby realizing power generation. Therefore, it can be applied to the field of vibration power generation or wave power generation.

[0025] like Figure 2 , 3 As shown, further, it also includes a bracket structure, which is used to fix the planetary gear 2. The bracket structure includes a front bracket 7, a rear bracket 8, a front bearing seat 9 and a bearing fixing seat 10. The front bracket 7 and the rear bracket 8 are used as mounting structures to realize the installation of the planetary gear 2. The front end of the outer gear ring 24 is installed on the front bracket 7 through the front bearing seat 9, and the rear end of the outer gear ring 24 is installed on the rear bracket 8 through the bearing fixing seat 10; the rear end of the sun gear 23 is installed on the bearing fixing seat 10 through the second one-way clutch 52; the front bearing seat 9 is movably connected to the front bracket 7 through a bearing, and the bearing fixing seat 10 is fixedly connected to the rear bracket 8; the first one-way clutch 51 and the second one-way clutch 52 are installed through the bearing fixing seat 10, thereby realizing the support and fixation of the outer gear ring 24 and the rear end of the sun gear 23.

[0026] Furthermore, the first one-way clutch 51 is arranged at the rear end of the outer gear ring 24 and is installed on the bearing fixing seat 10, located on the outer side of the bearing fixing seat 10, limiting the outer gear ring 24 and the outer rotor 3 to rotate counterclockwise; the second one-way clutch 52 is arranged at the rear end of the sun gear 23 and is installed on the bearing fixing seat 10, located on the inner side of the bearing fixing seat 10, limiting the sun gear 23 and the inner rotor 4 to rotate clockwise.

[0027] Furthermore, the outer rotor 3 and the inner rotor 4 are arranged correspondingly, and the outer rotor 3 is located outside the inner rotor 4 .

[0028] Furthermore, a flywheel 11 is provided at the end of the sun gear 23, and the flywheel 11 is located at the rear end of the sun gear 23. The flywheel 11 is provided to increase the energy storage capacity of the inner rotor 4. The outer rotor 3 is located on the outside and has a large inertia, so it has a large energy storage capacity. The inner rotor 4 is located on the inside and has a small size. The flywheel 11 is provided to increase the inertia of the inner rotor 4, thereby increasing the energy storage capacity of the inner rotor 4.

[0029] Furthermore, the collector 6 includes a collector ring and a brush. The collector ring is fixed on the sun gear 23 and connected to the inner rotor 4. The brush is located outside the collector ring.

[0030] like Figure 4 As shown, further, the rotation direction of the first one-way clutch 51 is counterclockwise, limiting the outer ring gear 24 so that it can only rotate counterclockwise, and the rotation direction of the second one-way clutch 52 is clockwise, limiting the sun gear 23 so that it can only rotate clockwise.

[0031] Furthermore, the outer rotor 3 is a permanent magnet, the inner rotor 4 is an armature winding wound on an iron core, the sun gear 23 is the iron core, and the armature winding is arranged on it to form the inner rotor 4, and the front end of the sun gear 23 has gear teeth that mesh with the planetary gears 22.

[0032] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-limiting from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention, and any reference numerals in the claims should not be regarded as limiting the claims involved.

Claims

1. A reciprocating planetary gear generator, characterized in that: The invention comprises an input rod (1), a planetary gear (2), an outer rotor (3), an inner rotor (4), a one-way clutch (5) and a current collector (6); the planetary gear (2) comprises a planetary carrier (21), a planetary wheel (22), a sun wheel (23) and an outer ring gear (24); the input rod (1) is connected to the planetary carrier (21); the planetary carrier (21) and the input rod (1) move synchronously; the outer rotor (3) is arranged on the outer ring gear (24) and moves synchronously with the outer ring gear (24); The inner rotor (4) is arranged on the sun gear (23) and moves synchronously with the sun gear (23); the one-way clutch (5) comprises a first one-way clutch (51) and a second one-way clutch (52); the first one-way clutch (51) is arranged on the outer gear ring (24); the second one-way clutch (52) is arranged on the sun gear (23); the first one-way clutch (51) and the second one-way clutch (52) rotate in opposite directions; and the current collector (6) is connected to the inner rotor (4).

2. A reciprocating planetary gear generator according to claim 1, characterized in that: It also includes a support structure, the support structure including a front support (7), a rear support (8), a front bearing seat (9) and a bearing fixing seat (10), the front end of the outer gear ring (24) being connected to the front support (7) via the front bearing seat (9), and the rear end of the outer gear ring (24) being connected to the rear support (8) via the bearing fixing seat (10).

3. A reciprocating planetary gear generator according to claim 2, characterized in that: The first one-way clutch (51) is arranged at the rear end of the outer gear ring (24) and is connected to the bearing fixing seat (10).

4. A reciprocating planetary gear generator according to claim 2, characterized in that: The second one-way clutch (52) is arranged at the rear end of the sun gear (23) and is connected to the bearing fixing seat (10).

5. The reciprocating planetary gear generator according to claim 1, characterized in that: The outer rotor (3) and the inner rotor (4) are arranged correspondingly, and the outer rotor (3) is located outside the inner rotor (4).

6. The reciprocating planetary gear generator according to claim 1, characterized in that: A flywheel (11) is provided at the end of the sun gear (23), and the flywheel (11) is located at the rear end of the sun gear (23).

7. The reciprocating planetary gear generator according to claim 2, characterized in that: The front bearing seat (9) is movably connected to the front bracket (7) via a bearing, and the bearing fixing seat (10) is fixedly connected to the rear bracket (8).

8. The reciprocating planetary gear generator according to claim 2, characterized in that: The second one-way clutch (52) and the first one-way clutch (51) are respectively located on the inner and outer sides of the bearing fixing seat (10).

9. The reciprocating planetary gear generator according to claim 1, characterized in that: The collector (6) comprises a collector ring and a brush; the collector ring is fixed on the sun gear (23) and connected to the inner rotor (4); the brush is located outside the collector ring.

10. The reciprocating planetary gear generator according to claim 1, characterized in that: The first one-way clutch (51) rotates in a counterclockwise direction, and the second one-way clutch (52) rotates in a clockwise direction.

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