CN117977876B - Energy storage type random micro-vibration energy collector - Google Patents
Energy storage type random micro-vibration energy collector Download PDFInfo
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- CN117977876B CN117977876B CN202311617338.7A CN202311617338A CN117977876B CN 117977876 B CN117977876 B CN 117977876B CN 202311617338 A CN202311617338 A CN 202311617338A CN 117977876 B CN117977876 B CN 117977876B
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 10
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- 238000010248 power generation Methods 0.000 abstract description 8
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Abstract
The invention relates to the technical field of power generation, in particular to an energy storage type random micro-vibration energy collector, which solves the technical problems of low efficiency and unstable output power supply of the existing energy collector in practical application and comprises a switch gear train, an energy storage gear train and a power generation gear train, wherein the switch gear train comprises a gear II, a duplex gear, a gear III, a one-way bearing II, a reset spring II, a ratchet switch, a transmission shaft II, a slope boss I and a slope boss II; the energy storage wheel train comprises a gear IV, a gear V, a one-way bearing III and a spring barrel; the power generation wheel train comprises a gear six, a gear seven, a gear eight, a one-way bearing four and a three-phase brushless generator. The ratchet switch not only serves as a switch, but also takes account of the winding of the spiral spring, so that the energy storage speed of the spiral spring is improved; the energy storage mode of the spiral spring is adopted, so that the high-efficiency utilization of low-frequency energy is improved, and the accumulation type acquisition of the low-frequency energy is realized; the conversion output from low-frequency mechanical irregular input energy to regular energy is realized.
Description
Technical Field
The invention relates to the technical field of power generation, in particular to an energy storage type random micro-vibration energy collector.
Background
Microelectronic devices are an integral part of human life because of their convenient operation and powerful functions. The effective service life of the microelectronic device is directly determined by the electric energy supply, and the traditional power supply mode such as chemical battery power supply has the defects of high manufacturing cost, difficult recovery, environmental pollution, short service life and the like, so that the long-time power supply cannot be satisfied. The collection of widely distributed and formally diverse environmental micro-energy sources for powering microelectronic devices is the best solution to break the limitations of traditional battery power supplies. Micro-vibration energy generated in the running process of a vehicle exists widely, and the collection and conversion of the energy into electric energy through an energy collector become an ideal scheme for solving the power supply problem of microelectronic equipment.
The vibration energy collector has the defects that the efficiency is low, the output power supply is unstable and the like when the vibration frequency and amplitude are irregular due to the fact that the vibration frequency range is limited, so that low-frequency energy in the environment cannot be effectively utilized.
Disclosure of Invention
In order to overcome the technical defects of low efficiency, unstable output power supply and the like of the existing energy collector in practical application, the invention provides the energy storage type random micro-vibration energy collector, designs an adjusting system with high-efficiency mechanical energy, converts low-frequency mechanical irregular input energy into an energy storage unit, realizes conversion output from the low-frequency mechanical irregular input energy to regular energy, provides continuous and stable power supply for microelectronic equipment, and has wide application prospect.
The invention provides an energy storage type random micro-vibration energy collector, which comprises a shell, a weight piece, a ratchet switch, a spring box, a first transmission shaft, a second transmission shaft, a third transmission shaft and a three-phase brushless generator, wherein the first transmission shaft is connected with the ratchet switch; the front side and the rear side of the weight piece are respectively connected with linear bearings with axes in the up-down direction, two vertical optical axes are fixedly supported between the top wall and the bottom wall of the shell, the weight piece is slidably mounted on the two vertical optical axes through the two linear bearings, a first reset spring is arranged on the vertical optical axis at the lower side of the linear bearings in a penetrating manner, and a rack arranged in the up-down direction is fixedly connected to the right side of the weight piece; the first transmission shaft is arranged along the horizontal direction and is rotationally connected between the front wall and the rear wall of the shell, the first transmission shaft is rotationally connected with the first gear through a one-way bearing, the first gear is meshed with the rack, and the two end parts of the first transmission shaft are fixedly connected with the second gear and the fourth gear; the transmission shaft II is vertically arranged on the inner side of the rear wall of the shell through a one-way bearing II, a gear III, a reset spring II and a ratchet switch are sequentially penetrated on the transmission shaft II from back to front, the ratchet switch comprises a barrel body penetrating on the transmission shaft II, a ring plate is integrally formed at the rear end of the barrel body, an end face ratchet I is integrally formed at the front end of the barrel body, a slope boss I is fixedly connected to the front side wall of the ring plate, a slope boss II is further connected to the inner side of the rear wall of the shell through a supporting wall, the slope boss is positioned on the front side of the slope boss I, and inclined planes are respectively arranged on the end faces connected with the slope boss I and the slope boss II so that the ratchet switch can move backwards when rotating; the transmission shaft three is vertically arranged on the inner side of the front wall of the shell through a one-way bearing three, the axes of the transmission shaft two and the transmission shaft three are collinear, and a gear five is integrally formed on the transmission shaft three; the spiral spring with the axis collinear with the axis of the transmission shaft III is arranged in the spring box, a gear VI is integrally formed in the middle of the front end wall of the spring box, an end face ratchet II is integrally formed in the middle of the rear end wall of the spring box, the rear end of the transmission shaft III passes through the gear VI and the front end wall of the spring box and is positioned in the spring box, a slot for clamping the inner end of the spiral spring is formed in the rear end part of the transmission shaft III, a spiral spring shaft sleeve matched with the spiral spring is further sleeved at the rear end part of the transmission shaft III, and a clamping groove for clamping the outer end of the spiral spring is formed in the circumferential side wall of the spring box; the end face ratchet II is meshed with the ratchet of the end face ratchet I, and the front end of the transmission shaft II passes through the end face ratchet II and the rear end wall of the spring barrel and is rotationally connected with the rear end wall of the spring barrel; the transmission shaft II is provided with a gear III, a reset spring II and a ratchet switch in a penetrating way, the shaft body is a square shaft, and the rest part is a round shaft; the second gear is meshed with the third gear through a duplex gear, the duplex gear is rotationally connected to the inner side of the rear wall of the shell, the fourth gear is meshed with the fifth gear, the three-phase brushless generator is fixed in the shell, the rotating shaft of the three-phase brushless generator is arranged in the front-rear direction, the rotating shaft of the three-phase brushless generator penetrates through and is fixedly connected with the fourth unidirectional bearing, the outer ring of the fourth unidirectional bearing is fixedly connected with the eighth gear, the sixth gear is meshed with the eighth gear through the seventh gear, and the seventh gear is rotationally connected to the inner side of the front wall of the shell.
The invention relates to an energy storage type random micro-vibration energy collector which comprises a switching gear train, an energy storage gear train and a power generation gear train, wherein the switching gear train comprises a gear II, a duplex gear, a gear III, a one-way bearing II, a reset spring II, a ratchet switch, a transmission shaft II, a slope boss I and a slope boss II; the energy storage wheel train comprises a gear IV, a gear V, a one-way bearing III and a spring barrel; the power generation wheel train comprises a gear six, a gear seven, a gear eight, a one-way bearing four and a three-phase brushless generator. In this structure, the first gear, the second gear and the eighth gear are spur gears. The weight piece can move up and down along the vertical optical axis under the drive of micro-vibration energy generated in the running process of the vehicle, when the weight piece moves upwards, the first one-way bearing rotates freely, the first gear idles with the first one-way bearing, when the weight piece moves downwards, the rack drives the first gear to rotate, at the moment, the first one-way bearing is locked, the first gear drives the first transmission shaft to rotate through the first one-way bearing, and meanwhile, the second gear and the fourth gear coaxially rotate. Because the gear IV and the gear V are directly meshed, the rotation direction of the gear V is opposite to that of the gear IV, and the rotation direction of the transmission shaft III connected with the gear V is opposite to that of the transmission shaft I connected with the gear I. Because the second gear is meshed with the third gear through the duplex gear, the rotation direction of the third gear is the same as that of the second gear, and the rotation direction of the second transmission shaft connected with the third gear is the same as that of the first transmission shaft connected with the first gear. The one-way bearing II of the gear III and the one-way bearing III of the gear V play a role in preventing reverse rotation. The first reset spring and the second reset spring play roles in supporting and resetting. The transmission shaft II is penetrated with the gear III, the reset spring II and the shaft body of the ratchet switch to form a square shaft, and the reset spring II is generally cylindrical, so that the gear III and the ratchet switch can be driven to synchronously rotate when the transmission shaft II rotates. In the specific embodiment, the spring box is formed by buckling a base for accommodating the scroll spring and a matched cover body, the base is fixedly connected with the cover body through three bolt assemblies, a gear six is arranged on the base, an end face ratchet wheel II is arranged on the cover body, and a circular baffle for enabling the scroll spring to be kept in the vertical direction is further arranged on the inner side of the cover body.
The working principle of the energy storage type random micro-vibration energy collector provided by the invention is as follows: in the initial stage, the first slope boss and the second slope boss are not contacted, and in the rotation process of the ratchet switch, the ratchet switch only rotates and cannot axially move, and the first end face ratchet and the second end face ratchet keep a meshed state, so that the ratchet switch can drive the box body of the spring barrel to integrally rotate, and the spiral spring inside the spring barrel is tightened. The rotation direction of the gear IV is consistent with that of the gear II, the gear IV is meshed with the gear five to drive the gear five to rotate, but the rotation direction of the gear five is opposite to that of the gear IV, the gear five and the transmission shaft III coaxially rotate, and the spiral spring in the spring box can be tightened by the rotation of the transmission shaft III. The gear drives the transmission shaft to rotate, so that the box body of the spring box and the scroll spring in the box are indirectly driven to rotate in opposite directions at the same time, the scroll spring is promoted to be tightened, and the energy storage stage is realized at the moment. The release stage: the counterweight piece continues to move, when the slope boss I and the slope boss II are gradually close to and contact with each other from the inclined plane, the ratchet switch continues to rotate, the position of the slope boss II is not moved, so that the ratchet switch is pushed backwards along with the rotation of the ratchet switch, the position of the slope boss I, which is abutted against the slope boss II, is thicker and thicker in the axial direction, the reset spring II is compressed, the ratchet switch moves backwards with the end face ratchet I, so that the end face ratchet I and the end face ratchet II can be separated, the spring barrel is out of constraint, the spiral spring releases energy to drive the spring barrel to reversely rotate, at the moment, the gear six on the spring barrel reversely rotates along with the spring barrel, the gear eight is driven to rotate through the gear seven, the gear eight drives the rotating shaft of the three-phase brushless generator to rotate through the one-way bearing four, and the three-phase brushless generator starts to generate electricity. The counterweight piece continues to move, the slope boss I and the slope boss II gradually rotate to separate from each other, the reset spring II pushes the ratchet switch to reset, so that the face ratchet I and the end face ratchet II are meshed again to restore to the initial state.
Preferably, the weight member includes a weight housing and a cylindrical weight. The counter weight shell is provided with the arch, and cylindrical balancing weight is provided with the spacing complex groove with the arch, and when the counter weight piece moved about like this, counter weight shell and cylindrical balancing weight can avoid the separation.
Preferably, the first transmission shaft is a shaft body with a D-shaped section, and the first unidirectional bearing, the second gear, and the first transmission shaft between the first unidirectional bearing and the fourth gear are respectively sleeved with a T-shaped positioning cylinder. D-shaped holes matched with the D-shaped shaft bodies are formed in the middle of the second gear and the middle of the fourth gear. The T-shaped positioning cylinder can prevent the second gear and the fourth gear from axially moving, and the integral structure is ensured to be kept stable in operation.
Preferably, the rotation direction of the first transmission shaft and the second transmission shaft is anticlockwise, and the rotation directions of the third transmission shaft and the rotating shaft of the three-phase brushless generator are clockwise. The design is reasonable, when guaranteeing the rack down motion, can drive whole structure and begin to operate, and when the rack up motion along with the counter weight spare, whole mechanism is not operated.
Preferably, the inner side of the rear wall of the shell is fixedly connected with a supporting plate parallel to the rear wall of the shell through a copper column, two ends of a rotating shaft of the duplex gear are respectively connected between the rear wall of the shell and the supporting plate, the duplex gear comprises a large gear and a small gear which are fixedly connected, the large gear is meshed with a second gear, and the small gear is meshed with a third gear. The big gear and the small gear in the duplex gear are integrally formed, the size is just relative to the other gear, and the size is not limited.
Preferably, the shell is formed by fixedly connecting a top wall, a bottom wall, a front wall and a rear wall, wherein the top wall and the bottom wall are respectively extended leftwards to form an upper baffle plate and a lower baffle plate, a supporting copper column is fixedly connected between the upper baffle plate and the lower baffle plate, and two vertical optical axes, a weight piece and a rack are all positioned between the upper baffle plate and the lower baffle plate. The arrangement structure is reasonable.
Preferably, flange bearings are arranged at the rotating shaft of the duplex gear and at two ends of the first transmission shaft, a flange bearing is arranged between the front end of the second transmission shaft and the rear end wall of the spring barrel, and a flange bearing is arranged between the sixth gear and the third transmission shaft. The device has reasonable structure and ensures that the parts needing to rotate normally operate.
Preferably, the three-phase brushless generator is fixed inside the front wall of the housing by copper posts.
Compared with the prior art, the technical scheme provided by the invention has the following advantages: the invention provides an energy storage type random micro-vibration energy collector, which adopts an end face ratchet structure to combine a switch gear train and an energy storage gear train, so that a ratchet switch not only serves as a switch, but also takes the winding of a spiral spring into account, and the energy storage speed of the spiral spring is improved; the energy storage mode of the spiral spring is adopted, so that the high-efficiency utilization of low-frequency energy is improved, and the accumulation type acquisition of the low-frequency energy is realized; because the energy released by the spiral spring in a single period is the same, the conversion output from the irregular input energy to the regular energy of the low-frequency machinery is realized, and the output power supply is stable and is worthy of popularization and use.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the description of the embodiments or the prior art will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.
FIG. 1 is a schematic diagram of the overall structure of an energy-storage random micro-vibration energy harvester according to an embodiment of the invention;
FIG. 2 is a schematic view of an embodiment of an energy storage random micro-vibration energy harvester with a front wall of a housing removed;
FIG. 3 is a schematic view of the structure of the transmission shaft connected to corresponding gears according to the embodiment of the present invention;
FIG. 4 is a schematic view of the structure of the barrel with the spiral spring mounted therein according to the embodiment of the present invention;
FIG. 5 is a schematic diagram of an overall gear train of an energy-storage random micro-vibration energy harvester according to an embodiment of the invention;
FIG. 6 is a schematic diagram of an assembled structure of a second drive shaft and a third drive shaft according to an embodiment of the present invention;
fig. 7 is an assembly schematic diagram of the second transmission shaft, the first slope boss and the second slope boss according to the embodiment of the invention;
FIG. 8 is a schematic diagram illustrating the assembly of a third drive shaft, a spiral spring and a fifth gear according to an embodiment of the present invention;
Fig. 9 is an assembly schematic diagram of a gear six, a gear seven and a gear eight according to an embodiment of the present invention.
In the figure: 1. a top wall; 2. supporting the copper column; 3. a bottom wall; 4. a front wall; 5. a rear wall; 6. a support plate; 7. a counterweight housing; 8. a cylindrical balancing weight; 9. a vertical optical axis; 10. a linear bearing; 11. a first reset spring; 12. a rack; 13. a first gear; 14. a one-way bearing I; 15. a transmission shaft I; 16. d-shaped holes; 17. a T-shaped positioning cylinder; 18. a second gear; 19. a duplex gear; 20. a third gear; 21. a second unidirectional bearing; 22. a second reset spring; 23. a ratchet switch; 24. slope boss I; 25. slope boss II; 26. a transmission shaft II; 27. a fourth gear; 28. a fifth gear; 29. a one-way bearing III; 30. a slot; 31. a circular baffle; 32. a clockwork spring shaft sleeve; 33. spiral spring; 34. a cover body; 35. a substrate; 36. a clamping groove; 37. a gear six; 38. a gear seventh; 39. a gear eight; 40. a unidirectional bearing IV; 41. a three-phase brushless generator; 42. and a transmission shaft III.
Detailed Description
In order that the above objects, features and advantages of the invention will be more clearly understood, a further description of the invention will be made. It should be noted that, without conflict, the embodiments of the present invention and features in the embodiments may be combined with each other.
In the description, it should be noted that the terms "first," "second," and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. It should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms described above will be understood by those of ordinary skill in the art as the case may be.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced otherwise than as described herein; it will be apparent that the embodiments in the specification are only some, but not all, embodiments of the invention.
Specific embodiments of the present invention will be described in detail below with reference to fig. 1 to 9.
In one embodiment, as shown in fig. 1, an energy-storage type random micro-vibration energy harvester is disclosed, comprising a shell, a weight, a ratchet switch 23, a spring barrel, a first transmission shaft 15, a second transmission shaft 26, a third transmission shaft 42 and a three-phase brushless generator 41; the front side and the rear side of the weight piece are respectively connected with linear bearings 10 with axes in the up-down direction, two vertical optical axes 9 are fixedly supported between the top wall 1 and the bottom wall 3 of the shell, the weight piece is slidably mounted on the two vertical optical axes 9 through the two linear bearings 10, a reset spring I11 is arranged on the vertical optical axis 9 at the lower side of the linear bearings 10 in a penetrating manner, and a rack 12 arranged along the up-down direction is fixedly connected to the right side of the weight piece; the first transmission shaft 15 is arranged along the horizontal direction and is rotatably connected between the front wall 4 and the rear wall 5 of the shell, the first transmission shaft 15 is rotatably connected with a first gear 13 through a first unidirectional bearing 14, the first gear 13 is meshed with the rack 12, and two ends of the first transmission shaft 15 are fixedly connected with a second gear 18 and a fourth gear 27; the transmission shaft II 26 is vertically arranged on the inner side of the rear wall 5 of the shell through the unidirectional bearing II 21, the gear III 20, the reset spring II 22 and the ratchet switch 23 are sequentially penetrated on the transmission shaft II 26 from back to front, the ratchet switch 23 comprises a cylinder body penetrating on the transmission shaft II 26, a ring plate is integrally formed at the rear end of the cylinder body, an end face ratchet I is integrally formed at the front end of the cylinder body, a slope boss I24 is fixedly connected to the front side wall of the ring plate, a slope boss II 25 is also connected to the inner side of the rear wall 5 of the shell through a supporting wall, the slope boss II 25 is positioned on the front side of the slope boss I24, and inclined planes are respectively arranged on the end faces of the slope boss I24 and the slope boss II 25, which are connected, so that the ratchet switch 23 moves backwards while rotating; the transmission shaft III 42 is vertically arranged on the inner side of the front wall 4 of the shell through a one-way bearing III 29, the axes of the transmission shaft II 26 and the transmission shaft III 42 are collinear, and a gear V28 is integrally formed on the transmission shaft III 42; the spiral spring 33 with the axis collinear with the axis of the transmission shaft III 42 is arranged in the spring box, the gear VI 37 is integrally formed in the middle of the front end wall of the spring box, the end face ratchet II is integrally formed in the middle of the rear end wall of the spring box, the rear end of the transmission shaft III 42 penetrates through the gear VI 37 and the front end wall of the spring box and is positioned in the spring box, the end part of the rear end of the transmission shaft III 42 is provided with a slot 30 for clamping the inner end of the spiral spring 33, the end part of the rear end of the transmission shaft III 42 is also sleeved with a spring shaft sleeve 32 matched with the spiral spring 33, and the circumferential side wall of the spring box is provided with a clamping groove 36 for clamping the outer end of the spiral spring 33; the end face ratchet II is meshed with the ratchet of the end face ratchet I, and the front end of the transmission shaft II 26 penetrates through the end face ratchet II and the rear end wall of the spring barrel and is in rotary connection with the rear end wall of the spring barrel; the shaft body of the transmission shaft II 26, which penetrates through the gear III 20, the reset spring II 22 and the ratchet switch 23, is a square shaft, and the rest part of the shaft body is a round shaft; the second gear 18 is meshed with the third gear 20 through a duplex gear 19, the duplex gear 19 is rotatably connected to the inner side of the rear wall 5 of the shell, the fourth gear 27 is meshed with the fifth gear 28, the three-phase brushless generator 41 is fixed in the shell, the rotating shaft of the three-phase brushless generator 41 is arranged in the front-rear direction, the rotating shaft of the three-phase brushless generator 41 is penetrated and fixedly connected with a fourth unidirectional bearing 40, the outer ring of the fourth unidirectional bearing 40 is fixedly connected with a eighth gear 39, the sixth gear 37 is meshed with the eighth gear 39 through a seventh gear 38, and the seventh gear 38 is rotatably connected to the inner side of the front wall 4 of the shell.
The invention relates to an energy storage type random micro-vibration energy collector which comprises a switching gear train, an energy storage gear train and a power generation gear train, wherein the switching gear train comprises a gear II 18, a duplex gear 19, a gear III 20, a unidirectional bearing II 21, a reset spring II 22, a ratchet switch 23, a transmission shaft II 26, a slope boss I24 and a slope boss II 25; the energy storage wheel train comprises a gear IV 27, a gear V28, a one-way bearing III 29 and a spring barrel; the power generation wheel train comprises a gear six 37, a gear seven 38, a gear eight 39, a one-way bearing four 40 and a three-phase brushless generator 41. In this configuration, the first gear 13, the second gear 18, and the eighth gear 39 are spur gears. The weight piece can move up and down along the vertical optical axis 9 under the drive of micro-vibration energy generated in the running process of the vehicle, when the weight piece moves upwards, the one-way bearing I14 rotates freely, the gear I13 idles along with the one-way bearing I14, when the weight piece moves downwards, the rack 12 drives the gear I13 to rotate, at the moment, the one-way bearing I14 is locked, the gear I13 drives the transmission shaft I15 to rotate through the one-way bearing I14, and meanwhile, the gear II 18 and the gear IV 27 rotate coaxially. Since gear four 27 and gear five 28 are directly meshed, the direction of rotation of gear five 28 is opposite to the direction of rotation of gear four 27, and the direction of rotation of drive shaft three 42 connecting gear five 28 is opposite to the direction of rotation of drive shaft one 15 connecting gear one 13. Since the second gear 18 is meshed with the third gear 20 via the duplicate gear 19, the rotation direction of the third gear 20 is the same as the rotation direction of the second gear 18, and the rotation direction of the second drive shaft 26 connecting the third gear 20 is the same as the rotation direction of the first drive shaft 15 connecting the first gear 13. The one-way bearing two 21 of the third gear 20 and the one-way bearing three 29 of the fifth gear 28 play a role in preventing reverse rotation. The first return spring 11 and the second return spring 22 both play roles in supporting and returning. Because the shaft body of the transmission shaft II 26 penetrating the gear III 20, the reset spring II 22 and the ratchet switch 23 is a square shaft, the transmission shaft II 26 can drive the gear III 20 and the ratchet switch 23 to synchronously rotate when rotating. In the specific embodiment, the spring barrel is formed by buckling a base 35 for accommodating the spiral spring 33 and a matched cover 34, the base 35 and the cover 34 are fastened and connected through three bolt assemblies, a gear six 37 is arranged on the base 35, an end face ratchet wheel II is arranged on the cover 34, and a circular baffle 31 for keeping the spiral spring 33 in the vertical direction is further arranged on the inner side of the cover 34.
The working principle of the energy storage type random micro-vibration energy collector provided by the invention is as follows: in the initial stage, the first slope boss 24 and the second slope boss 25 are not contacted, and in the rotation process of the ratchet switch 23, the ratchet switch 23 only rotates and cannot axially move, and the first end face ratchet and the second end face ratchet keep a meshed state, so that the ratchet switch 23 can drive the box body of the spring barrel to integrally rotate, and the internal scroll spring 33 is tightened. The rotation direction of the gear IV 27 is consistent with that of the gear II 18, the gear IV 27 is meshed with the gear V28 to drive the gear V28 to rotate, but the rotation direction of the gear V28 is opposite to that of the gear IV 27, the gear V28 and the transmission shaft III 42 rotate coaxially, and the spiral spring 33 in the spring box can be tightened by the rotation of the transmission shaft III 42. Namely, the first gear 13 drives the first transmission shaft 15 to rotate, and can indirectly drive the box body of the spring box and the spiral spring 33 in the spring box to rotate in opposite directions at the same time, so that the spiral spring 33 is promoted to be tightened, and the energy storage stage is realized at the moment. The release stage: the weight piece continues to move, when the slope boss I24 and the slope boss II 25 gradually contact from the inclined plane, the ratchet switch 23 continues to rotate, the position of the slope boss II 25 does not move, so that the slope boss I24 is thicker along with the slope boss I24, the position of the slope boss I24, which is abutted against the slope boss II 25, is thicker along with the rotation of the ratchet switch 23 in the axial direction, the ratchet switch 23 is pushed backwards, the reset spring II 22 is compressed, the ratchet switch 23 moves backwards with the end face ratchet, so that the end face ratchet I and the end face ratchet II can be separated, the spring barrel is out of constraint, the spiral spring 33 releases energy to drive the spring barrel to reversely rotate due to the unidirectional restriction of the rotation direction of the unidirectional bearing III 29, at the moment, the gear VI on the spring barrel reversely rotates along with the rotation of the gear VI, the gear VI drives the gear VIII 39 to rotate through the gear seven 38, the gear eighth 39 drives the rotating shaft of the three-phase brushless generator 41 through the unidirectional bearing IV 40, and the three-phase brushless generator 41 starts to generate electricity. The counterweight piece continues to move, the slope boss I24 and the slope boss II 25 gradually rotate to separate from each other from contact, the reset spring II 22 pushes the ratchet switch 23 to reset, so that the face ratchet I and the end face ratchet II are meshed again to restore to the initial state, and as the one-way bearing IV 40 only can move unidirectionally, even if the gear eighth 39 does not rotate, under the action of inertia, the rotating shaft of the three-phase brushless generator 41 continues to rotate for a period of time and does not stop moving along with the restoration of the spring barrel to the initial stage, so that the energy of the spiral spring 33 is fully released, and the one-way bearing IV 40 and the gear eighth 39 idle in the process.
On the basis of the above embodiment, in a preferred embodiment the weight comprises a weight housing 7 and a cylindrical weight 8. The counterweight housing 7 is provided with the arch, and cylindrical balancing weight 8 is provided with the spacing complex groove with the arch, and when the counterweight piece is movable from top to bottom like this, counterweight housing 7 and cylindrical balancing weight 8 can avoid the separation.
On the basis of the above embodiment, in a preferred embodiment, the first transmission shaft 15 is a shaft body with a D-shaped section, and the first transmission shaft 15 between the first unidirectional bearing 14 and the second gear 18, and between the first unidirectional bearing 14 and the fourth gear 27 is respectively sleeved with a T-shaped positioning cylinder 17. And D-shaped holes 16 matched with the D-shaped shaft bodies are formed in the middle of the gear II 18 and the gear IV 27. The T-shaped positioning cylinder 17 can prevent the second gear 18 and the fourth gear 27 from axially moving, and the integral structure is ensured to be stable in operation.
On the basis of the above embodiment, in a preferred embodiment, the rotation directions of the first transmission shaft 15 and the second transmission shaft 26 are counterclockwise, and the rotation directions of the third transmission shaft 42 and the rotation shaft of the three-phase brushless generator 41 are clockwise. The design is reasonable, and when the rack 12 moves downwards, the whole structure can be driven to start to operate, and when the rack 12 moves upwards along with the counterweight, the whole mechanism does not operate.
On the basis of the above embodiment, in a preferred embodiment, the inner side of the rear wall 5 of the housing is fixedly connected with the support plate 6 parallel to the rear wall 5 of the housing through copper columns, two ends of the rotating shaft of the double gear 19 are respectively connected between the rear wall 5 of the housing and the support plate 6, the double gear 19 comprises a large gear and a small gear which are fixedly connected, wherein the large gear is meshed with the second gear 18, and the small gear is meshed with the third gear 20. The large gear and the small gear of the duplex gear 19 are integrally formed with one 13, and the size is only relative to the other gear, and the size is not limited.
On the basis of the above embodiment, in a preferred embodiment, the housing is formed by fixedly connecting the top wall 1, the bottom wall 3, the front wall 4 and the rear wall 5, wherein the top wall 1 and the bottom wall 3 are respectively extended leftwards to form an upper baffle plate and a lower baffle plate, a supporting copper column 2 is fixedly connected between the upper baffle plate and the lower baffle plate, and two vertical optical axes 9, a counterweight and a rack 12 are all positioned between the upper baffle plate and the lower baffle plate. The arrangement structure is reasonable.
On the basis of the above embodiment, in a preferred embodiment, flange bearings are provided at both ends of the rotary shaft of the duplicate gear 19 and the first transmission shaft 15, a flange bearing is provided between the front end of the second transmission shaft 26 and the rear end wall of the barrel, and a flange bearing is provided between the sixth gear 37 and the third transmission shaft 42. The device has reasonable structure and ensures that the parts needing to rotate normally operate.
On the basis of the above-described embodiment, in a preferred embodiment, the three-phase brushless generator 41 is fixed inside the front wall 4 of the housing by copper posts.
The foregoing is only a specific embodiment of the invention to enable those skilled in the art to understand or practice the invention. Although described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the embodiments, and they should be construed as covering the scope of the appended claims.
Claims (8)
1. The energy storage type random micro-vibration energy collector is characterized by comprising a shell, a weight piece, a ratchet switch (23), a spring box, a first transmission shaft (15), a second transmission shaft (26), a third transmission shaft (42) and a three-phase brushless generator (41); the front side and the rear side of the weight piece are respectively connected with linear bearings (10) with axes in the up-down direction, two vertical optical axes (9) are fixedly supported between the top wall (1) and the bottom wall (3) of the shell, the weight piece is slidably mounted on the two vertical optical axes (9) through the two linear bearings (10), a reset spring I (11) is arranged on the vertical optical axis (9) at the lower side of the linear bearings (10) in a penetrating way, and a rack (12) arranged along the up-down direction is fixedly connected to the right side of the weight piece; the first transmission shaft (15) is arranged along the horizontal direction and is rotationally connected between the front wall (4) and the rear wall (5) of the shell, the first transmission shaft (15) is rotationally connected with the first gear (13) through the first unidirectional bearing (14), the first gear (13) is meshed with the rack (12), and the two ends of the first transmission shaft (15) are fixedly connected with the second gear (18) and the fourth gear (27); the transmission shaft II (26) is vertically arranged on the inner side of the rear wall (5) of the shell through the unidirectional bearing II (21), the transmission shaft II (26) is sequentially provided with the gear III (20), the reset spring II (22) and the ratchet switch (23) in a penetrating way from back to front, the ratchet switch (23) comprises a cylinder body penetrating through the transmission shaft II (26), the rear end of the cylinder body is integrally formed with a ring plate, the front end of the cylinder body is integrally formed with an end face ratchet I, the front side wall of the ring plate is fixedly connected with a slope boss I (24), the inner side of the rear wall (5) of the shell is also connected with a slope boss II (25) through a supporting wall, the slope boss II (25) is positioned on the front side of the slope boss I (24), inclined planes are respectively arranged on the end surfaces of the first inclined plane boss (24) and the second inclined plane boss (25) which are connected with each other so as to enable the ratchet switch (23) to move backwards while rotating; the transmission shaft III (42) is vertically arranged on the inner side of the front wall (4) of the shell through a one-way bearing III (29), the axes of the transmission shaft II (26) and the transmission shaft III (42) are collinear, and the transmission shaft III (42) is integrally provided with a gear V (28); the spiral spring (33) with the axis collinear with the axis of the transmission shaft III (42) is arranged in the spring box, the gear VI (37) is integrally formed in the middle of the front end wall of the spring box, the end face ratchet II is integrally formed in the middle of the rear end wall of the spring box, the rear end of the transmission shaft III (42) penetrates through the gear VI (37) and the front end wall of the spring box and is positioned in the spring box, the end part of the rear end of the transmission shaft III (42) is provided with a slot (30) for clamping the inner end of the spiral spring (33), the end part of the rear end of the transmission shaft III (42) is also sleeved with a spring shaft sleeve (32) matched with the spiral spring (33), and the circumferential side wall of the spring box is provided with a clamping groove (36) for clamping the outer end of the spiral spring (33); the end face ratchet II is meshed with the ratchet of the end face ratchet I, and the front end of the transmission shaft II (26) penetrates through the end face ratchet II and the rear end wall of the spring barrel and is in rotary connection with the rear end wall of the spring barrel; the shaft body of the transmission shaft II (26) penetrating through the gear III (20), the reset spring II (22) and the ratchet switch (23) is a square shaft, and the rest part of the transmission shaft II is a round shaft; the gear II (18) is meshed with the gear III (20) through a duplex gear (19), the duplex gear (19) is rotationally connected to the inner side of the rear wall (5) of the shell, the gear IV (27) is meshed with the gear V (28), the three-phase brushless generator (41) is fixed in the shell, the rotating shaft of the three-phase brushless generator (41) is arranged along the front-rear direction, the rotating shaft of the three-phase brushless generator is arranged in a penetrating mode and is fixedly connected with a one-way bearing IV (40), the outer ring of the one-way bearing IV (40) is fixedly connected with a gear V (39), the gear V (37) is meshed with the gear V (39) through a gear V (38), and the gear V (38) is rotationally connected to the inner side of the front wall (4) of the shell.
2. An energy accumulating random micro-vibration energy harvester according to claim 1, characterized in that the counterweight comprises a counterweight housing (7) and a cylindrical counterweight (8).
3. An energy storage type random micro-vibration energy collector as claimed in claim 2, wherein the first transmission shaft (15) is a shaft body with a D-shaped section, and the first transmission shaft (15) between the first unidirectional bearing (14) and the second gear (18) and between the first unidirectional bearing (14) and the fourth gear (27) is respectively sleeved with a T-shaped positioning cylinder (17).
4. A random micro-vibration energy harvester according to any of claims 1 to 3, wherein the rotation direction of the first (15) and second (26) drive shafts is anticlockwise and the rotation direction of the third (42) drive shaft and the rotation shaft of the three-phase brushless generator (41) is clockwise.
5. An energy storage type random micro-vibration energy collector according to claim 4, wherein a supporting plate (6) parallel to the rear wall (5) of the shell is fixedly connected to the inner side of the rear wall (5) of the shell through copper columns, two ends of a rotating shaft of a duplex gear (19) are respectively connected between the rear wall (5) of the shell and the supporting plate (6), the duplex gear (19) comprises a large gear and a small gear which are fixedly connected, the large gear is meshed with a second gear (18), and the small gear is meshed with a third gear (20).
6. The energy storage type random micro-vibration energy collector according to claim 5, wherein the shell is formed by fixedly connecting a top wall (1), a bottom wall (3), a front wall (4) and a rear wall (5), wherein the top wall (1) and the bottom wall (3) are respectively extended leftwards to form an upper baffle plate and a lower baffle plate, a supporting copper column (2) is fixedly connected between the upper baffle plate and the lower baffle plate, and two vertical optical axes (9), a weight piece and a rack (12) are all positioned between the upper baffle plate and the lower baffle plate.
7. The energy storage type random micro-vibration energy collector according to claim 6, wherein flange bearings are arranged at both ends of a rotating shaft of the duplicate gear (19) and a first transmission shaft (15), a flange bearing is arranged between the front end of a second transmission shaft (26) and the rear end wall of the spring barrel, and a flange bearing is arranged between a sixth gear (37) and a third transmission shaft (42).
8. An energy accumulating random micro-vibration energy harvester according to claim 7, characterized in that the three-phase brushless generator (41) is fixed inside the front wall (4) of the housing by means of copper posts.
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| CN202311617338.7A CN117977876B (en) | 2023-11-30 | 2023-11-30 | Energy storage type random micro-vibration energy collector |
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| CN202311617338.7A CN117977876B (en) | 2023-11-30 | 2023-11-30 | Energy storage type random micro-vibration energy collector |
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| CN117977876B true CN117977876B (en) | 2024-05-31 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP6001798B1 (en) * | 2016-01-26 | 2016-10-05 | 西浦 信一 | Power generation system and potential energy storage device for power generation system |
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| JPH10299639A (en) * | 1996-11-18 | 1998-11-10 | Kazuo Nakano | Device for accumulating and discharging winding torque |
| RU2151323C1 (en) * | 1999-07-21 | 2000-06-20 | Персидский Сергей Анатольевич | Power-controlled mechanical inertial spring unit for power production |
| CN101649821A (en) * | 2009-09-09 | 2010-02-17 | 中国农业大学 | Highway deceleration strip generating set |
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| CN117977876A (en) | 2024-05-03 |
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