CN217440160U - Free piston linear generator with integrated connecting rod - Google Patents
Free piston linear generator with integrated connecting rod Download PDFInfo
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- CN217440160U CN217440160U CN202123272678.XU CN202123272678U CN217440160U CN 217440160 U CN217440160 U CN 217440160U CN 202123272678 U CN202123272678 U CN 202123272678U CN 217440160 U CN217440160 U CN 217440160U
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- connecting rod
- generator
- free piston
- rod
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- 238000002485 combustion reaction Methods 0.000 description 4
- 230000003044 adaptive effect Effects 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
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- 238000004146 energy storage Methods 0.000 description 1
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Abstract
The utility model discloses a free piston linear generator of connecting rod integration relates to linear generator technical field, including linear generator, linear generator both ends symmetry installation auxiliary motor, a plurality of engines of every auxiliary motor outside circumferential connection, the piston of engine inside is connected as an organic wholely with connecting rod main part one end, and the connecting rod main part other end passes through the connecting plate and links to each other with the generator active cell. The utility model discloses a mover subassembly structure is simplified to integration connecting rod, makes the engine faster start condition that reaches through auxiliary motor, and a plurality of engine cooperation linear generator, improves frequency of operation.
Description
Technical Field
The utility model relates to a linear generator technical field especially relates to a free piston linear generator of connecting rod integration.
Background
The engine in the free piston linear generator omits mechanisms such as a crankshaft flywheel and the like, and has the advantages of simple structure, low friction loss, higher thermal efficiency and the like. However, due to the lack of an energy storage mechanism of a flywheel and the fact that the rotor of the generator moves linearly, the rotor of the engine after combustion in each cycle can undergo a process of accelerating from zero and then decelerating to zero; and the average moving speed of the rotor is low due to the short stroke of the rotor, so that the working frequency of the free piston linear generator is low, and the output power is relatively low.
In addition, the mover assemblies of the conventional free piston linear generator need to be connected through a certain connecting structure, so that the structure of the mover assemblies is complex, and the phenomena of lateral floating and increase of the motion friction force can be caused in the operation process.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a free piston linear generator of connecting rod integration simplifies active cell subassembly structure and auxiliary motor through the integration connecting rod and makes the faster starting condition that reaches of engine, and a plurality of engine cooperation linear generator, improves frequency of operation.
In order to achieve the above purpose, the present invention is realized by the following technical solution:
the embodiment of the utility model provides a free piston linear generator of connecting rod integration, including linear generator, linear generator both ends symmetry installation auxiliary motor, a plurality of engines of every auxiliary motor outside circumferential connection, the piston of engine inside is connected as an organic wholely with connecting rod main part one end, and the connecting rod main part other end passes through the connecting plate and links to each other with the generator active cell.
As a further implementation, the connecting rod body is of a variable cross-section structure.
As a further realization mode, the connecting rod main body is connected into a whole by a first rod section and a second rod section with different section sizes.
In a further embodiment, the first rod segment is larger in cross-sectional dimension than the second rod segment, and the first rod segment is connected to the connecting plate.
As a further implementation manner, the generator rotor is of a hollow structure, and connecting plates are fixed at both ends of the generator rotor.
As a further implementation, the connecting rod body is connected with the connecting plate through a flange.
As a further implementation mode, each connecting plate is connected with four connecting rod main bodies with axes parallel to each other, and the connecting rod main bodies are uniformly distributed.
As a further implementation manner, a gap of at least half stroke is reserved between the side face of the connecting plate and the end part of the linear generator.
As a further implementation, the connecting rod body cooperates with a crankcase assembly of the engine, which is connected to the auxiliary motor.
As a further implementation, the auxiliary motor is arranged coaxially with the linear generator.
The utility model has the advantages as follows:
(1) the utility model discloses a make into the integration connecting rod with generator active cell axle core and piston rod, simplify active cell subassembly structure, the piston is connected to integration connecting rod one end, and the other end passes through the connecting plate and connects generator active cell, and stable in structure can not produce the side direction and float and motion friction increases the phenomenon in the operation process.
(2) The utility model discloses an auxiliary motor is all installed at linear generator both ends, adopts two auxiliary motor to drag the piston simultaneously and moves the assigned position to faster reaching the start condition, improving work efficiency.
(3) The utility model discloses a plurality of integration connecting rods make each engine can the synchronization action with generator active cell and each engine piston connection, improve complete machine power.
Drawings
The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention.
Fig. 1 is a schematic structural diagram of the present invention according to one or more embodiments;
fig. 2 is a cross-sectional view of the present disclosure according to one or more embodiments;
fig. 3 is a schematic diagram illustrating a connection between a mover and a connecting rod according to one or more embodiments of the present invention.
The linear generator comprises a linear generator 1, a linear generator 2, a first auxiliary motor 3, a second auxiliary motor 4, a first engine 5, a second engine 6, a generator rotor 7, a first crankcase kit 8, a second crankcase kit 9, a first connecting rod main body 91, a first rod section 92, a second rod section 10, a first piston 11, a second connecting rod main body 111, a first rod section 112, a second rod section 12, a second piston 13, a first connecting plate 14, a second connecting plate 15 and a flange.
Detailed Description
The first embodiment is as follows:
the embodiment provides a free piston linear generator with an integrated connecting rod, as shown in fig. 1 and 2, comprising a linear generator 1, a first auxiliary motor 2, a second auxiliary motor 3, a first engine 4 and a second engine 5, wherein the first auxiliary motor 2 is installed at one end of the linear generator 1, and the second auxiliary motor 3 is installed at the other end of the linear generator; the first and second auxiliary motors 2 and 3 are provided coaxially with the linear generator 1.
A plurality of first engines 4 are arranged at one end of the first auxiliary motor 2 far away from the linear generator 1, and a plurality of second engines 5 are arranged at one end of the second auxiliary motor 3 far away from the linear generator 1; and the first engine 4 and the second engine 5 are arranged symmetrically with respect to the linear generator 1.
Four first engines 4 and four second engines 5 are respectively arranged in the embodiment and are uniformly distributed on the outer sides of the corresponding auxiliary motors; two auxiliary motors are used to simultaneously drive the piston to a specified position to achieve a starting condition more quickly.
As shown in fig. 3, the first piston 10 inside each first engine 4 is connected to one end of the first link body 9 through a piston pin, and the other end of the first link body 9 is connected to one end of the generator mover 6 through a first connecting plate 13; the second piston 11 in each second engine 5 is connected to one end of the second link body 11 by a piston pin, and the other end of the second link body 11 is connected to the other end of the generator mover 6 by a second connecting plate 14.
The first connecting rod body 9 and the second connecting rod body 11 of the present embodiment are integrated connecting rods, that is, the shaft core of the rotor of the generator and the piston connecting rod are manufactured as a whole.
The first piston 10 and the second piston 11 are connected with the generator mover 6 through the first connecting rod body 9, the second connecting rod body 11, the first connecting plate 13 and the second connecting plate 14, so that the piston and the connecting rod body of each engine can move synchronously.
In the embodiment, the generator rotor 6 is a hollow column structure with two open ends to reduce the mass of the rotor; the generator stator is positioned outside the generator rotor 6 and embedded in the annular groove of the generator shell. One end of the generator rotor 6 is plugged by a first connecting plate 13 which is adaptive to the shape of the generator rotor, and the other end of the generator rotor is plugged by a second connecting plate 14 which is adaptive to the shape of the generator rotor.
The first connecting plate 13 and the second connecting plate 14 can also adopt a hollow structure so as to reduce the weight of the whole motion assembly. The first connecting plate 13 and the second connecting plate 14 may be made of steel plate or other metal plate. The first link body 9 is fixed to the first connection plate 13 by a flange 15, and the second link body 11 is fixed to the second connection plate 14 by a flange 15.
In an initial state, a gap L of at least half stroke is reserved between the side surface of the first connecting plate 13 and one end of the linear generator 1; a gap L of at least half stroke is reserved between the side surface of the second connecting plate 14 and the other end of the linear generator 1, and collision between the flange 15 and the end of the linear generator 1 when the generator rotor 6 reciprocates is avoided.
As shown in fig. 3, the first link body 9 and the second link body 11 are both of variable cross-section structures, in this embodiment, the first link body 9 includes a first rod section 91 and a second rod section 92 connected as a whole, and the second link body 11 includes a first rod section 111 and a second rod section 112 connected as a whole, wherein the first rod section 91 is connected to the first connecting plate 13, and the first rod section 111 is connected to the second connecting plate 14.
The cross-sectional dimension of the first rod section 91 is larger than that of the second rod section 92, the cross-sectional dimension of the first rod section 111 is larger than that of the second rod section 112, and the second rod section 92 and the second rod section 112 are adaptive to the size of a connecting rod main body of a traditional internal combustion engine so as to match with a peripheral structure; the first rod segment 91 and the first rod segment 111 are adapted to the crankcase.
The first link body 9 is fitted with a first crankcase kit 7 of the first engine 4, the first crankcase kit 7 being connected with the first auxiliary motor 2; the second connecting rod body 11 is fitted with a second crankcase kit 8 of the second engine 5, and the second crankcase kit 8 is connected with the second auxiliary motor 3.
In the starting process, two auxiliary motors are adopted to simultaneously drag the piston to move to a specified position so as to reach the starting condition more quickly. After the starting condition is reached, the plurality of engines ignite and burn, the auxiliary motor stops working, the linear generator 1 starts to enter a power generation mode, and variable electric energy is output according to the burning condition.
In the starting process, a controller provides power signals for two auxiliary motors, the auxiliary motors push a generator rotor to move through output electromagnetic force, a first auxiliary motor 2 is used for driving the generator rotor leftwards (taking the direction shown in figure 1 as reference), a second auxiliary motor 3 is used for driving the generator rotor rightwards, the auxiliary motor rotor drags a piston to move, a piston position sensor monitors whether the piston reaches a specified engine ignition position, once the piston reaches the engine ignition position, a position sensor generates a trigger signal and transmits the signal to the controller, the controller controls spark plugs of a plurality of engines on one side to simultaneously ignite and burn according to the signal, and meanwhile, as the generator and the auxiliary motors are connected with the controller, the controller controls the auxiliary motors to stop working, the linear generator starts to work, and electric energy is output.
When the engines simultaneously generate the working conditions of fire or poor combustion conditions in the running process, the auxiliary motor is controlled to work again and provide proper power, and the auxiliary piston reaches the designated top dead center position again. When the combustion condition in the cylinder is normal, the electric energy is output again to assist the motor to stop working.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. The free piston linear generator is characterized by comprising a linear generator, auxiliary motors are symmetrically arranged at two ends of the linear generator, a plurality of engines are circumferentially connected to the outer side of each auxiliary motor, a piston inside each engine is connected with one end of a connecting rod main body, and the other end of the connecting rod main body is connected with a generator rotor through a connecting plate.
2. The free-piston linear generator with an integrated connecting rod as claimed in claim 1, wherein the connecting rod body has a variable cross-section structure.
3. The free piston linear generator as claimed in claim 2, wherein said connecting rod body is integrally connected by a first rod segment and a second rod segment having different sectional dimensions.
4. A connecting rod integrated free piston linear generator as claimed in claim 3, wherein said first rod segment is larger in cross-sectional dimension than said second rod segment, and said first rod segment is connected to said connecting plate.
5. The free piston linear generator with integrated connecting rods as claimed in claim 1, wherein the generator rotor is hollow, and connecting plates are fixed at both ends of the generator rotor.
6. A rod-integrated free piston linear generator according to claim 1 or 5, wherein the connecting rod body is connected to the connecting plate by a flange.
7. The free piston linear generator of claim 1, wherein each connecting plate connects four connecting rod bodies having axes parallel to each other, and the connecting rod bodies are uniformly distributed.
8. A rod-integrated free piston linear generator according to claim 1 or 7, wherein the sides of the web leave a gap of at least half a stroke with the end of the linear generator.
9. A connecting rod integrated free piston linear generator as claimed in claim 1, wherein said connecting rod body is fitted with a crankcase kit of an engine, the crankcase kit being connected to an auxiliary motor.
10. A connecting rod integrated free piston linear generator as claimed in claim 1, wherein said auxiliary motor is disposed coaxially with the linear generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123272678.XU CN217440160U (en) | 2021-12-23 | 2021-12-23 | Free piston linear generator with integrated connecting rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123272678.XU CN217440160U (en) | 2021-12-23 | 2021-12-23 | Free piston linear generator with integrated connecting rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217440160U true CN217440160U (en) | 2022-09-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123272678.XU Active CN217440160U (en) | 2021-12-23 | 2021-12-23 | Free piston linear generator with integrated connecting rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217440160U (en) |
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2021
- 2021-12-23 CN CN202123272678.XU patent/CN217440160U/en active Active
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Effective date of registration: 20231204 Address after: Building on the west side of Building A1, No. 22 Zihe Avenue, Nanding Town, Zibo Economic Development Zone, Zibo City, Shandong Province, 255051 Patentee after: Shandong Zhongxuan Intelligent Technology Co.,Ltd. Address before: 252000 No.1 Hunan Road, Dongchangfu District, Liaocheng City, Shandong Province Patentee before: LIAOCHENG University |