WO2018033077A1 - 一种流体动力转化装置及流体动力转化方法 - Google Patents

一种流体动力转化装置及流体动力转化方法 Download PDF

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Publication number
WO2018033077A1
WO2018033077A1 PCT/CN2017/097551 CN2017097551W WO2018033077A1 WO 2018033077 A1 WO2018033077 A1 WO 2018033077A1 CN 2017097551 W CN2017097551 W CN 2017097551W WO 2018033077 A1 WO2018033077 A1 WO 2018033077A1
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WIPO (PCT)
Prior art keywords
rotor
power conversion
fluid power
stator
slider
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PCT/CN2017/097551
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English (en)
French (fr)
Inventor
唐翊翃
唐立
唐静
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唐翊翃
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Publication of WO2018033077A1 publication Critical patent/WO2018033077A1/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
    • F01C1/00—Rotary-piston machines or engines
    • F01C1/30—Rotary-piston machines or engines having the characteristics covered by two or more groups F01C1/02, F01C1/08, F01C1/22, F01C1/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F01C1/34—Rotary-piston machines or engines having the characteristics covered by two or more groups F01C1/02, F01C1/08, F01C1/22, F01C1/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F01C1/08 or F01C1/22 and relative reciprocation between the co-operating members
    • F01C1/344—Rotary-piston machines or engines having the characteristics covered by two or more groups F01C1/02, F01C1/08, F01C1/22, F01C1/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F01C1/08 or F01C1/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03C—POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
    • F03C2/00—Rotary-piston engines
    • F03C2/30—Rotary-piston engines having the characteristics covered by two or more of groups F03C2/02, F03C2/08, F03C2/22, F03C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03C—POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
    • F03C2/00—Rotary-piston engines
    • F03C2/30—Rotary-piston engines having the characteristics covered by two or more of groups F03C2/02, F03C2/08, F03C2/22, F03C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F03C2/304—Rotary-piston engines having the characteristics covered by two or more of groups F03C2/02, F03C2/08, F03C2/22, F03C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having both the movements defined in sub-group F03C2/08 or F03C2/22 and relative reciprocation between members

Definitions

  • the present invention relates to the field of fluid dynamic conversion, and in particular to a fluid power conversion device and a fluid dynamic conversion method.
  • the fluid power conversion device is a device that converts the kinetic energy of the fluid and other energy into each other.
  • the conventional conversion device has a problem that the fluid kinetic energy cannot be fully utilized and the energy conversion efficiency is low.
  • Another object of the present invention is to provide a hydrodynamic conversion method capable of efficiently achieving conversion between fluid kinetic energy and rotor mechanical energy.
  • Embodiments of the present invention provide a fluid power conversion device including a stator, a rotor, a baffle plate, and a slider; the rotor is rotatably coupled to the stator; a circular annular cavity is formed between the opposite sidewalls of the rotor and the stator; There is an inlet and an outlet; the baffle plate is fixedly connected to the stator and is slidably connected with the rotor; the baffle plate is located in the annular cavity and between the inlet and the outlet; and the surface of the rotor corresponding to the annular cavity is provided with sliding a slot; a slider is disposed in each slot; the slider protrudes from the slot to rotatably fit in the annular cavity, and the barrier plate is divided into two pressures The sub-cavity, the slider is retracted into the chute to pass over the baffle.
  • each of the sliders is fixedly coupled to a bearing on at least one side of the two sides of the corresponding stator bottom surface; the bottom wall of the stator is open to the surface of the fixed connecting bearing of the slider.
  • the groove has an extended shape of an eccentric annular shape; the bearing is configured to fit in the guide groove, and is capable of rolling along the guide groove to drive the slider to reciprocate and retract in the sliding groove and rotate with the rotor.
  • the guide groove includes a first arc segment, a second arc segment, and a third arc segment; the first arc segment, the second arc segment, and the third arc segment
  • the first arc-shaped segment is connected in a circular arc shape with the central axis of rotation of the rotor as a central axis; and on the guide groove, the third arc-shaped segment has the largest distance from the central axis of rotation of the rotor, and the first curved segment is The distance from the intersection of the second arcuate segment to the central axis of rotation of the rotor is minimal.
  • the central angle of the third arc segment is 180° centered on the central axis of rotation of the rotor, and the central angle of the first arc segment and the second arc segment are both 90 °.
  • the stator is cylindrical; the rotor is cylindrical; the rotor is rotatably disposed inside the stator; and an annular cavity is formed between the rotor and the annular sidewall of the stator.
  • the stator includes an annular sidewall, a first top wall and a first bottom wall; the first top wall and the first bottom wall are respectively disposed at two ends of the annular sidewall; the first top The inner surface of the wall and the inner surface of the first bottom wall are correspondingly provided with guide grooves.
  • the sliders are respectively fixedly connected to the first top wall and the two ends of the first bottom wall respectively, and the bearing is rollingly fitted in the guide groove, and can drive the slider along the guide. Slot movement and telescopic along the chute.
  • the chute is formed on the outer peripheral surface of the rotor; the chute extends in the axial direction of the rotor to both end faces of the rotor.
  • the number of chutes and sliders is at least two; the chutes are evenly arranged along the outer circumferential surface of the rotor.
  • the outer peripheral surface of the rotor is provided with an annular rib; the sliding groove extends through the outer peripheral surface of the annular rib.
  • the number of annular ribs is two; the two annular ribs are spaced apart along the axial direction of the rotor.
  • the baffle plate is provided with a groove for receiving an annular rib.
  • the stator is cylindrical; the stator comprises an inner cylinder, a second top wall and a second bottom wall; the second top wall and the second bottom wall are respectively disposed on the inner cylinder
  • the rotor has a cylindrical shape; the rotor is rotatably sleeved on the outer periphery of the inner cylinder and located between the second top wall and the second bottom wall; and a circular annular cavity is formed between the rotor and the inner cylinder.
  • the chute is disposed on the inner circumferential surface of the rotor; the chute is along the axial direction of the rotor Extends to both end faces of the rotor.
  • the surface of the second top wall adjacent to the second bottom wall and the surface of the second bottom wall adjacent to the second top wall are correspondingly provided with guide grooves.
  • the sliders are respectively fixedly coupled to the two ends of the second top wall and the second bottom wall respectively; the bearing is movably fitted in the guide groove and can drive the slider along The guide groove moves and expands and contracts along the chute.
  • the inner circumferential surface of the rotor is provided with an annular rib; the sliding groove extends through the inner circumferential surface of the annular rib.
  • the number of annular ribs is at least two; the two annular ribs are spaced apart in the axial direction of the rotor.
  • the baffle plate is provided with a groove for receiving an annular rib.
  • Fluid is introduced into the annular cavity from the inlet, causing the fluid to push the extended slider to drive the rotor to rotate relative to the stator, thereby converting the power of the fluid into the rotation of the rotor; while the fluid flows out of the outlet.
  • the external power is used to drive the rotor to rotate relative to the stator, and the protruding slider on the rotor pushes the fluid flow in the circular cavity to form fluid power.
  • the fluid power conversion device provided by the embodiment has the advantages of simple structure, convenient manufacture and low cost, and a unidirectional flow path of liquid or gas is formed in the inside of the circular cavity by providing the baffle plate, and the sealing property is good.
  • the sliding area of the slider on the rotor is large, which can cause the rotor to receive a large tangential force and improve the efficiency of the rotor to convert the kinetic energy of liquid or gas into mechanical energy.
  • the slider has a large action area on liquid or gas, and has a large driving force for liquid or gas, and can effectively improve the efficiency of converting kinetic energy of mechanical energy into liquid or gas.
  • FIG. 1 is a schematic structural view of a fluid power conversion device according to a first embodiment of the present invention.
  • FIG. 2 is a cross-sectional view showing the hydrodynamic conversion device of FIG. 1 taken along line II-II.
  • FIG. 3 is a schematic structural view of the rotor of FIG. 2.
  • FIG. 4 is a schematic structural view of the first top wall of FIG. 2.
  • FIG. 5 is a schematic structural view of a fluid power conversion device according to a second embodiment of the present invention.
  • Figure 6 is a cross-sectional view showing the hydrodynamic conversion device of Figure 5 taken along line VI-VI.
  • Figure 7 is a schematic view showing the structure of the rotor of Figure 6.
  • Figure 8 is a cross-sectional view showing the stator of Figure 6 taken along line VIII-VIII.
  • Icon 100-fluid power conversion device; 110-stator; 111-inlet; 112-outlet; 113-ring sidewall; 114-first top wall; 115-first bottom wall; 116-guide groove; Arc segment; 1162 - second arc segment; 1163 - third arc segment; 117 - inner cylinder; 118 - second top wall; 119 - second bottom wall; 120 - rotor; 121 - chute; - shaft; 123 - annular rib; 124 - pressure relief groove; 130 - barrier plate; 140 - slider; 150 - annular cavity; 160 - bearing; 170 - shaft hole.
  • FIG. 1 is a schematic structural view of a fluid power conversion device according to an embodiment of the present invention.
  • the fluid power conversion device 100 is an outer stator inner rotor structure.
  • the fluid power conversion device 100 includes a stator 110, a rotor 120, a baffle plate 130, and a slider 140.
  • the stator 110 has a cylindrical shape.
  • the rotor 120 has a cylindrical shape.
  • the rotor 120 is rotatably disposed inside the stator 110.
  • An annular cavity 150 is formed between the sidewalls of the rotor 120 opposite the stator 110.
  • the cross-sectional shape of the annular cavity 150 may be a regular circular shape.
  • An inlet 111 and an outlet 112 are opened in the stator 110.
  • the baffle plate 130 is fixedly coupled to the stator 110 and slidably coupled to the rotor 120.
  • the baffle 130 is located within the annular cavity 150 and between the inlet 111 and the outlet 112. Both the inlet 111 and the outlet 112 communicate the annular cavity 150 with the outside.
  • Three sliding slots 121 are defined in the surface of the rotor 120 corresponding to the annular cavity 150, that is, the sliding slots 121 are formed on the outer circumferential surface of the rotor 120.
  • the chutes 121 are evenly arranged around the axis of the rotor 120. Each of the chutes 121 extends in the axial direction of the rotor 120 to both end faces of the rotor 120.
  • a pressure relief groove 124 is formed in an end surface of the rotor 120. One end of the pressure relief groove 124 communicates with the bottom of the chute 121, and the other end of the pressure relief groove 124 communicates with the annular cavity 150.
  • a slider 140 is disposed inside each of the chutes 121.
  • the slider 140 protrudes from the sliding slot 121, and together with the baffle plate 130, divides the annular cavity 150 into two sub-cavities of different pressures, one of which communicates with the inlet 111 and the other of which is connected to the outlet. 112.
  • the slider 140 is retracted into the chute 121 to pass over the baffle 130.
  • the slider 140 is reciprocally slidable in the radial direction of the rotor 120 within the chute 121.
  • the air pressure or hydraulic pressure in the chute 121 can be released into the annular cavity 150 through the pressure relief groove 124.
  • the broken line in FIG. 1 indicates the movement locus of the slider 140, wherein the movement locus of the slider 140 intersects with the blocking plate 130.
  • the movement of the slider 140 is a reciprocating linear motion in the radial direction of the rotor 120 and a combined motion with the circular motion of the rotor 120. It is easy to understand that the number of the chute 121 and the slider 140 may have other options, such as two, four, six, etc., and may be flexibly set according to the size of the rotor 120.
  • FIG. 2 is a cross-sectional structural view of the fluid power conversion device of FIG. 1 taken along line II-II, see FIG.
  • the stator 110 includes an annular sidewall 113, a first top wall 114, and a first bottom wall 115.
  • the first top wall 114 and the first bottom wall 115 are respectively disposed at both ends of the annular side wall 113. Either or both of the first top wall 114 and the first bottom wall 115 are detachably coupled to the annular side wall 113.
  • the inner surface of the first top wall 114 and the inner surface of the first bottom wall 115 are correspondingly provided with a guide groove 116.
  • An annular cavity 150 is formed between the rotor 120 and the annular sidewall 113 (the annular cavity 150 in FIG. 2 is blocked by the baffle 130, not shown). Both ends of the baffle plate 130 extend to the inner surface of the first top wall 114 and the inner surface of the first bottom wall 115, respectively.
  • the shape of the slider 140 can be set in a rectangular shape.
  • the length of the slider 140 in the radial direction of the rotor 120 is equal to the depth of the chute 121.
  • the length of the slider 140 in the axial direction of the rotor 120 is equal to the length of the chute 121 in the axial direction of the rotor 120.
  • the bearing 140 is fixedly coupled to the two ends of the first top wall 114 and the first bottom wall 115, respectively.
  • the bearing 160 extends into the corresponding channel 116.
  • FIG. 3 is a schematic structural view of the rotor of FIG. 2, see FIG. 2 and FIG.
  • An annular rib 123 is provided on the outer circumferential surface of the rotor 120.
  • the number of annular ribs 123 is two.
  • Two annular ribs 123 are spaced apart along the axis of the rotor 120.
  • the chute 121 penetrates the outer peripheral surface of the annular rib 123.
  • a shaft 122 is disposed at a central axis position of the rotor 120. The rotating shaft 122 can be used to drive other devices, and can also be used to rotate under the influence of other devices.
  • the annular rib 123 can effectively prevent the slider 140 from being displaced or misaligned during the work of extending from the chute 121.
  • the baffle plate 130 is provided with a groove for receiving the annular rib 123 to ensure normal rotation of the rotor 120.
  • FIG. 4 is a schematic structural view of the first top wall of FIG. 2, see FIG. 4.
  • a shaft hole 170 through which the rotating shaft 122 passes is opened at the center of the first top wall 114.
  • the extending shape of the guide groove 116 is an eccentric annular shape.
  • the guide groove 116 includes a first curved segment 1161, a second curved segment 1162, and a third curved segment 1163.
  • the first curved segment 1161, the second curved segment 1162, and the third curved segment 1163 are sequentially connected end to end.
  • the third curved segment 1163 has a circular arc shape.
  • the distance from the center of the first top wall 114 is equal to each other on the third curved section 1163, and the distance between the first curved section 1161 and the second curved section 1162 is compared everywhere on the third curved section 1163.
  • the center of the first top wall 114 is farther away.
  • the intersection of the first curved section 1161 and the second curved section 1162 is closest to the center of the first top wall 114.
  • the intersection of the first curved segment 1161 and the second curved segment 1162 is located in the same radial direction as the barrier plate 130 of the rotor 120.
  • the slider 140 is completed to contract to the inside of the chute 121.
  • the slider 140 extends the distance from the chute 121 to the maximum and is also closest to the annular side wall 113.
  • the first arc segment 1161 corresponds to a central angle a of 90°.
  • the central arc b corresponding to the second curved segment 1162 is 90°.
  • the central angle c of the third curved section 1163 is 180°.
  • the central angle of each of the first curved section 1161, the second curved section 1162, and the third curved section 1163 may have other options.
  • the central angle c of the third curved section 1163 is 120°.
  • first bottom wall 115 is similar to that of the first top wall 114 and will not be described herein.
  • the working principle of the fluid power conversion device 100 provided in this embodiment: after the gas or liquid flows into the circular cavity 150 from the inlet 111, under the blocking action of the blocking plate 130, the flow in the direction away from the blocking plate 130 will push
  • the slider 140 extending from the chute 121 to rotatably fit within the annular cavity 150 works to drive the rotor 120 to rotate about its own axis. During rotation of the rotor 120, the bearing 160 on the slider 140 rolls within the guide groove 116, causing the slider 140 to move in the radial direction of the rotor 120.
  • the slider 140 When the slider 140 is rotated to the position of the baffle plate 130, the bearing 160 is rolled to the intersection of the first arc segment 1161 and the second arc segment 1162, the slider 140 is completed to contract to the inside of the chute 121, and the slider 140 continues Move and pass over the baffle 130. At this time, the gas or liquid is discharged from the outlet 112. After the slider 140 passes over the barrier plate 130, the slider 140 gradually approaches the annular sidewall 113 under the guiding action of the guide groove 116, and then gradually moves away from the annular sidewall 113.
  • the slider 140 is always subjected to the thrust of gas or liquid to drive the rotor 120 to rotate, and the rotating shaft 123 on the rotor 120 can be used to drive other equipment to rotate, thereby converting the kinetic energy of the fluid into mechanical energy.
  • the fluid power conversion device 100 provided by the embodiment can also drive the rotor 120 to rotate by using other driving devices, and the slider 140 is moved by the rotation of the rotor 120 to complete the cooperation with the circular cavity 150.
  • Driving fluid movement within the annular cavity 150 effects kinetic energy that converts mechanical energy into fluid.
  • the fluid power conversion device 100 provided in this embodiment is not only simple in structure, convenient in manufacture, and low in cost, but also forms a one-way flow path of liquid or gas in the inside of the circular cavity 150 by providing the baffle plate 130, and the sealing property is relatively good. it is good.
  • the force receiving area of the slider 140 on the rotor 120 is large, which can cause the rotor 120 to receive a large tangential force, and improve the rotor 120 to convert the kinetic energy of the liquid or gas into mechanical energy efficiency.
  • the slider 140 has a large area of action on liquid or gas, and has a large driving force for liquid or gas, and can effectively improve the efficiency of converting kinetic energy of mechanical energy into liquid or gas.
  • the present embodiment provides a fluid power conversion device 100 that differs from the fluid power conversion device in the first embodiment in that the fluid power conversion device 100 provided in this embodiment is an outer rotor inner stator structure.
  • FIG. 5 is a schematic structural diagram of a fluid power conversion device according to the embodiment, and FIG. 5 .
  • the stator 110 has a cylindrical shape. An inlet 111 and an outlet 112 are opened in the stator 110.
  • the rotor 120 has a cylindrical shape.
  • the rotor 120 is rotatably sleeved on the periphery of the stator 110.
  • An annular cavity 150 is formed between the rotor 120 and the stator 110. Both the inlet 111 and the outlet 112 communicate the annular cavity 150 with the outside.
  • the baffle plate 130 is fixedly coupled to the stator 110 and slidably coupled to the rotor 120.
  • the baffle 130 is located within the annular cavity 150 and between the inlet 111 and the outlet 112.
  • the chute 121 is formed on the inner circumferential surface of the rotor 120.
  • the chute 121 extends in the axial direction of the rotor 120 to both end faces of the rotor 120.
  • the number of the chute 121 and the slider 140 is three.
  • the three chutes 121 are evenly arranged along the inner circumferential surface of the rotor 120.
  • Figure 6 is a cross-sectional view showing the fluid power conversion device of Figure 5 taken along line VI-VI, see Figure 6.
  • the stator 110 includes an inner cylinder 117, a second top wall 118, and a second bottom wall 119.
  • the second top wall 118 and the second bottom wall 119 are respectively disposed at both ends of the inner cylinder 117. Either or both of the second top wall 118 and the second bottom wall 119 are detachably coupled to the inner cylinder 117.
  • the rotor 120 is rotatably sleeved on the outer periphery of the inner cylinder 117 and between the second top wall 118 and the second bottom wall 119.
  • a surface of the second top wall 118 adjacent to the second bottom wall 119 and a surface of the second bottom wall 119 adjacent to the second top wall 118 are correspondingly provided with a guide groove 116.
  • the bearing 140 is fixedly coupled to the two ends of the second top wall 118 and the second bottom wall 119, respectively.
  • the bearing 160 extends into the corresponding channel 116.
  • Figure 7 is a schematic view showing the structure of the rotor of Figure 6, see Figures 6 and 7.
  • An annular rib 123 is provided on the inner circumferential surface of the rotor 120.
  • the number of annular ribs 123 is two.
  • Two annular ribs 123 are spaced apart.
  • the chute 121 penetrates the inner peripheral surface of the annular rib 123.
  • Figure 8 is a cross-sectional view of the stator of Figure 6 taken along line VIII-VIII, see Figure 8.
  • the guide groove 116 is formed on the inner surface of the second top wall 118 and is located at the outer periphery of the inner cylinder 117.
  • the extending shape of the guide groove 116 is an eccentric annular shape.
  • the structure of the guide groove 116 is similar to that of the first embodiment except that the intersection of the first curved segment 1161 and the second curved segment 1162 is furthest from the center of the second top wall 118.
  • the third arcuate section 1163 has a circular arc shape, and the third arcuate section 1163 is closer to the center of the second top wall 118 than the first arcuate section 1161 and the second arcuate section 1162.
  • the intersection of the first curved section 1161 and the second curved section 1162 is located in the same radial direction as the barrier spacer 130 in the rotor 120.
  • the slider 140 is completed to contract to the inside of the chute 121.
  • the working principle of the fluid power conversion device 100 provided in this embodiment: after the gas or liquid flows into the circular cavity 150 from the inlet 111, under the blocking action of the blocking plate 130, the flow in the direction away from the blocking plate 130 will push
  • the slider 140 extending out of the chute 121 rotates the rotor 120 about its own axis.
  • the bearing 160 on the slider 140 rolls within the guide groove 116, causing the slider 140 to move in the radial direction of the rotor 120.
  • the slider 140 When the slider 140 is rotated to the position of the baffle plate 130, the bearing 160 is rolled to the intersection of the first arc segment 1161 and the second arc segment 1162, the slider 140 is completed to contract to the inside of the chute 121, and the slider 140 continues Move and pass over the baffle 130. At this time, the gas or liquid has been discharged from the outlet 112. After the slider 140 passes over the barrier plate 130, the slider 140 gradually approaches the inner cylinder 117 under the guiding action of the guide groove 116, and then gradually moves away from the inner cylinder 117.
  • the slider 140 is always subjected to the thrust of gas or liquid to drive the rotor 120 to rotate, and the outer surface of the rotor 120 can be used to connect a transmission component such as a belt to convert the kinetic energy of the fluid into mechanical energy.
  • the fluid power conversion device 100 provided by the embodiment can also realize the kinetic energy of converting mechanical energy into fluid.
  • the hydrodynamic conversion method in this embodiment is based on the fluid power conversion device in the first embodiment or the second embodiment, and includes the following steps:
  • Fluid is introduced into the annular cavity from the inlet, causing the fluid to push the extended slider to drive the rotor to rotate relative to the stator, thereby converting the power of the fluid into the rotation of the rotor; while the fluid flows out of the outlet.
  • the power of the fluid is converted into the rotation of the rotor and can be converted into electric energy or the like as needed.
  • the hydrodynamic conversion method in this embodiment is based on the fluid power conversion device in the first embodiment or the second embodiment, and includes the following steps:
  • the external power is used to drive the rotor to rotate relative to the stator, and the protruding slider on the rotor drives the fluid flow in the circular cavity to form fluid power.
  • the rotor can be rotated by a motor to convert electrical energy into fluid power.
  • the fluid power conversion device not only has the advantages of simple structure, convenient manufacture and low cost, but also forms a one-way flow passage of liquid or gas in the inside of the circular cavity by providing the baffle plate, and has good sealing property.
  • the sliding area of the slider on the rotor is large, which can cause the rotor to receive a large tangential force and improve the efficiency of the rotor to convert the kinetic energy of liquid or gas into mechanical energy.
  • the slider has a large area of action on liquid or gas, and has a large driving force for liquid or gas, and can effectively improve the efficiency of converting kinetic energy of mechanical energy into liquid or gas. Therefore, the fluid power conversion device and based thereon The hydrodynamic conversion method is suitable for industrial use.

Abstract

一种流体动力转化装置及转化方法，该装置包括定子（110）、转子（120）、阻隔板（130）和滑块（140）；转子（120）与定子(110)转动连接，转子（120）与定子(110)相对的侧壁之间形成有圆环形空腔（150）；定子(110)上开设有进口（111）和出口（112），阻隔板（130）固定连接在定子(110)上、且与转子（120）滑动连接，阻隔板（130）位于圆环形空腔（150）内、且在进口（111）与出口（112）之间。转子（120）对应圆环形空腔（150）的表面上开设有滑槽（121），每一滑槽（121）内设置有一个滑块（140），滑块（140）从滑槽（121）内伸出、与阻隔板（130）一并将圆环形空腔（150）分成压力不等的两个子空腔，滑块（140）缩回滑槽（121）内以越过阻隔板（130）。该转化方法基于该转化装置，利用流体推动滑块（140）带动转子（120）相对定子(110)转动，或者外接动力驱动转子（120）相对定子(110)转动，转子（120）上伸出的滑块（140）带动流体流动。该流体动力转化装置及转化方法的结构简单，能量转化效率高。

Description

一种流体动力转化装置及流体动力转化方法
相关申请的交叉引用
本申请要求2016年08月19日提交中国专利局的申请号为201610685510.6、名称为“气体、液体与动力转化系统”的中国专利申请、以及2016年11月30日提交中国专利局的申请号为201611085980.5、名称为“一种流体动力转化装置”的中国专利申请的优先权；其全部内容通过引用结合在本申请中。
技术领域
本发明涉及流体动力转化领域，具体而言，涉及一种流体动力转化装置及流体动力转化方法。
背景技术
流体动力转化装置为使流体的动能和其他能相互转化的装置。现有的转化装置存在无法充分利用流体动能、能量转化效率低的问题。
发明内容
本发明的目的在于提供一种流体动力转化装置，其旨在解决现有的流体动力转化装置能量转化效率较低的技术问题。
本发明的另一目的在于提供了一种流体动力转化方法，其能够有效的实现流体动能和转子机械能之间的转化。
本发明实施例提供一种流体动力转化装置，其包括定子、转子、阻隔板和滑块；转子与定子转动连接；转子与定子相对的侧壁之间形成有圆环形空腔；定子上开设有进口和出口；阻隔板固定连接在定子上、且与转子滑动连接；阻隔板位于圆环形空腔内、且在进口与出口之间；转子对应圆环形空腔的表面上开设有滑槽；每一滑槽内设置有一个滑块；滑块从滑槽内伸出以至转动地配合于圆环形空腔内、与阻隔板一并将圆环形空腔分成压力不等的两个子空腔，滑块缩回滑槽内以越过阻隔板。
在本实施例的一个可选实施方案中，每一滑块在对应定子底面的两个侧面上，至少一个侧面上固定连接一轴承；定子底壁朝向滑块固定连接轴承的表面上开设有导槽；导槽的延伸形状为偏心环状形；轴承被构造成配合于导槽中，并能够沿导槽滚动带动滑块在滑槽内往复伸缩和随转子转动。
在本实施例的一个可选实施方案中，导槽包括第一弧形段、第二弧形段和第三弧形段；第一弧形段、第二弧形段和第三弧形段依次首尾相连；第三弧形段为以转子的转动中轴线为中轴的圆弧形；且在导槽上，第三弧形段距离转子的转动中轴线的距离最大，第一弧形段与第二弧形段的交接处到转子的转动中轴线的距离最小。
在本实施例的一个可选实施方案中，以转子的转动中轴线为中心，第三弧形段的中心角为180°，第一弧形段与第二弧形段的中心角均为90°。
在本实施例的一个可选实施方案中，定子为圆筒状；转子为圆柱状；转子转动地设置在定子的内部；转子与定子的环形侧壁之间形成有圆环形空腔。
在本实施例的一个可选实施方案中，定子包括环形侧壁、第一顶壁和第一底壁；第一顶壁和第一底壁分别设置在环形侧壁的两端；第一顶壁的内表面和第一底壁的内表面对应设置有导槽。
在本实施例的一个可选实施方案中，滑块分别靠近第一顶壁和第一底壁的两端分别固定连接有轴承，轴承滚动地配合于导槽中，并能够带动滑块沿导槽运动和沿滑槽伸缩。
在本实施例的一个可选实施方案中，滑槽开设在转子的外周面上；滑槽沿转子的轴向延伸至转子的两个端面。
在本实施例的一个可选实施方案中，滑槽和滑块的数量至少有两个；滑槽沿转子的外周面均匀布置。
在本实施例的一个可选实施方案中，转子的外周面上设置有环形凸棱；滑槽贯穿环形凸棱的外周面。
在本实施例的一个可选实施方案中，环形凸棱的数量为两个；两个环形凸棱沿转子的轴向间隔设置。
在本实施例的一个可选实施方案中，阻隔板开设有容纳环形凸棱的沟槽。
在本实施例的一个可选实施方案中，定子为圆柱状；定子包括内圆柱体、第二顶壁和第二底壁；第二顶壁和第二底壁分别设置在内圆柱体的两端；转子为圆筒状；转子转动地套设在内圆柱体的外围、且位于第二顶壁与第二底壁之间；转子与内圆柱体之间形成有圆环形空腔。
在本实施例的一个可选实施方案中，滑槽开设在转子的内周面上；滑槽沿转子的轴向 延伸至转子的两个端面。
在本实施例的一个可选实施方案中，第二顶壁上靠近第二底壁的表面和第二底壁上靠近第二顶壁的表面对应设置有导槽。
在本实施例的一个可选实施方案中，滑块分别靠近第二顶壁和第二底壁的两端分别固定连接有轴承；轴承可活动地配合于导槽内，并能够带动滑块沿导槽运动和沿滑槽伸缩。
在本实施例的一个可选实施方案中，转子的内周面上设置有环形凸棱；滑槽贯穿环形凸棱的内周面。
在本实施例的一个可选实施方案中，环形凸棱的数量为至少两个；两个环形凸棱沿转子的轴向间隔设置。
在本实施例的一个可选实施方案中，阻隔板开设有容纳环形凸棱的沟槽。
本发明实施例还提供一种流体动力转化方法，其基于前述的流体动力转化装置，并包括以下步骤：
从进口向圆环形空腔中通入流体，使流体推动伸出的滑块以带动转子相对定子转动，从而实现将流体的动力转化为转子的转动；同时流体从出口流出。
本发明实施例还提供一种流体动力转化方法，其基于前述的流体动力转化装置，并包括以下步骤：
使用外接动力驱动转子相对定子转动，转子上伸出的滑块推动圆环形空腔中的流体流动，形成流体动力。
本发明实施例提供的流体动力转化装置及流体动力转化方法的有益效果是：
本实施例提供的流体动力转化装置不仅结构简单、制造方便、成本低，而且通过设置阻隔板在圆环形空腔的内部形成了液体或气体的单向流道、且密封性较好。
转子上的滑块的受力面积较大，能够使转子受到较大的切向力，提高转子将液体或气体的动能转化为机械能效率。同理，滑块对液体或气体的作用面积较大，对液体或气体的推动力较大，能够有效提高将机械能转化为液体或气体的动能的效率。
附图说明
为了更清楚地说明本发明实施例的技术方案，下面将对实施例中所需要使用的附图作 简单地介绍，应当理解，以下附图仅示出了本发明的某些实施例，因此不应被看作是对范围的限定，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他相关的附图。
图1为本发明第一实施例提供的流体动力转化装置的结构示意图。
图2为图1中的流体动力转化装置沿II-II剖切线的剖切结构示意图。
图3为图2中的转子的结构示意图。
图4为图2中第一顶壁的结构示意图。
图5为本发明第二实施例提供的流体动力转化装置的结构示意图。
图6为图5中的流体动力转化装置沿VI-VI剖切线的剖切结构示意图。
图7为图6中的转子的结构示意图。
图8为图6中的定子沿VIII-VIII剖切线的剖切结构示意图。
图标：100-流体动力转化装置；110-定子；111-进口；112-出口；113-环形侧壁；114-第一顶壁；115-第一底壁；116-导槽；1161-第一弧形段；1162-第二弧形段；1163-第三弧形段；117-内圆柱体；118-第二顶壁；119-第二底壁；120-转子；121-滑槽；122-转轴；123-环形凸棱；124-泄压槽；130-阻隔板；140-滑块；150-圆环形空腔；160-轴承；170-轴孔。
具体实施方式
为使本发明实施例的目的、技术方案和优点更加清楚，下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本发明一部分实施例，而不是全部的实施例。通常在此处附图中描述和示出的本发明实施例的组件可以以各种不同的配置来布置和设计。
因此，以下对在附图中提供的本发明的实施例的详细描述并非旨在限制要求保护的本发明的范围，而是仅仅表示本发明的选定实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
应注意到：相似的标号和字母在下面的附图中表示类似项，因此，一旦某一项在一个附图中被定义，则在随后的附图中不需要对其进行进一步定义和解释。
在本发明的描述中，需要理解的是，术语“中心”、“上”、“下”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，或者是该发明产品使用时惯常摆放的方位或位置关系，或者是本领域技术人员惯常理解的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的设备或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。
此外，术语“第一”、“第二”等仅用于区分描述，而不能理解为指示或暗示相对重要性。
第一实施例
图1为本实施例提供的流体动力转化装置的结构示意图，请参阅图1。
本实施例提供了一种流体动力转化装置100。流体动力转化装置100为外定子内转子结构。流体动力转化装置100包括定子110、转子120、阻隔板130和滑块140。定子110为圆筒状。转子120为圆柱状。
转子120转动地设置在定子110的内部。转子120与定子110相对的侧壁之间形成有圆环形空腔150。圆环形空腔150的截面形状可为规则的圆环形。定子110上开设有进口111和出口112。阻隔板130固定连接在定子110上、并与转子120滑动连接。阻隔板130位于圆环形空腔150内、且在进口111与出口112之间。进口111和出口112均使圆环形空腔150与外界连通。
转子120对应圆环形空腔150的表面上开设有三个滑槽121，即滑槽121开设在转子120的外周面上。滑槽121围绕转子120的轴线均匀排列。每一滑槽121沿转子120的轴向延伸至转子120的两个端面。在转子120的端面上开设有泄压槽124。泄压槽124的一端与滑槽121的底部连通，泄压槽124的另一端与圆环形空腔150连通。每一滑槽121的内部设置有一个滑块140。滑块140从滑槽121内伸出、与阻隔板130一并将圆环形空腔150分成压力不等的两个子空腔，其中一个子空腔连通进口111，另一个子空腔连通出口112。滑块140缩回滑槽121内以越过阻隔板130。
滑块140可在滑槽121内沿转子120的径向方向往复滑动。当滑块140收缩进滑槽121内的过程中，滑槽121内的气压或液压可通过泄压槽124释放至圆环形空腔150内。图1中虚线表示滑块140的运动轨迹，其中，滑块140的运动轨迹与阻隔板130交汇。滑块140的运动为沿转子120径向的往复直线运动与随转子120的圆周运动的合运动。容易理解的是，滑槽121和滑块140的数量还可以有其他选择，例如两个、四个、六个等，具体可根据转子120的大小灵活设置。
图2为图1中的流体动力转化装置沿II-II剖切线的剖切结构示意图，请参阅图2。
定子110包括环形侧壁113、第一顶壁114和第一底壁115。第一顶壁114和第一底壁115分别设置在环形侧壁113的两端。第一顶壁114和第一底壁115中任一个或两个均与环形侧壁113可拆卸连接。第一顶壁114的内表面和第一底壁115的内表面对应设置有导槽116。转子120与环形侧壁113之间形成圆环形空腔150(图2中圆环形空腔150被阻隔板130遮挡，未标出)。阻隔板130的两端分别延伸至第一顶壁114的内表面和第一底壁115的内表面。
滑块140的外形可设置成长方体形。滑块140沿转子120径向的长度等于滑槽121的深度。滑块140沿转子120轴向的长度等于滑槽121沿转子120轴向的长度。滑块140分别靠近第一顶壁114和第一底壁115的两端分别固定连接有轴承160。轴承160延伸至对应的导槽116内。
图3为图2中的转子的结构示意图，请参阅图2和图3。
转子120的外周面上设置有环形凸棱123。环形凸棱123的数量为两个。两个环形凸棱123沿转子120的轴线间隔设置。滑槽121贯穿环形凸棱123的外周面。转子120的中心轴线位置设置有转轴122。转轴122可用于驱动其他设备，也可以用于在其他设备带动下转动。
环形凸棱123能够有效防止滑块140在从滑槽121中伸出受力做功的过程中发生偏移或错位。相应的，阻隔板130上开设有容纳环形凸棱123的沟槽，以保证转子120能够正常转动。
图4为图2中第一顶壁的结构示意图，请参阅图4。
第一顶壁114的中心开设有供转轴122穿过的轴孔170。导槽116的延伸形状为偏心环状形。具体的，导槽116包括第一弧形段1161、第二弧形段1162和第三弧形段1163。第一弧形段1161、第二弧形段1162和第三弧形段1163依次首尾相连。其中，第三弧形段1163为圆弧形。第三弧形段1163上各处距离第一顶壁114的中心的距离相等，并且第三弧形段1163上各处相比第一弧形段1161和第二弧形段1162上各处距离第一顶壁114的中心较远。第一弧形段1161与第二弧形段1162的交接处距离第一顶壁114的中心最近。
请结合图2和图4，第一弧形段1161与第二弧形段1162的交接处与阻隔板130位于转子120的同一径向方向上。当轴承160滚动至第一弧形段1161与第二弧形段1162的交接处时，滑块140完成收缩至滑槽121的内部。当轴承160滚动至第三弧形段1163时，滑块140则伸出滑槽121的距离最大，也最靠近环形侧壁113。优选，第一弧形段1161对应的中心角a为90°。第二弧形段1162对应的中心角b为90°。第三弧形段1163的中心角c为180°。当然，第一弧形段1161、第二弧形段1162和第三弧形段1163各自的中心角还可以有其他选择，例如，第三弧形段1163的中心角c为120°。
容易理解的是，第一底壁115的结构与第一顶壁114的结构相似，这里不再赘述。
本实施例提供的流体动力转化装置100的工作原理：气体或液体从进口111流入圆环形空腔150中后，在阻隔板130的阻挡作用下，向远离阻隔板130的方向流动，将推动从滑槽121伸出以至转动地配合于圆环形空腔150内的滑块140做功，驱动转子120围绕自身轴线转动。在转子120转动的过程中，滑块140上的轴承160在导槽116内滚动，带动滑块140沿转子120的径向移动。当滑块140转动到阻隔板130的位置时，轴承160滚动至第一弧形段1161与第二弧形段1162的交接处，滑块140完成收缩至滑槽121的内部，滑块140继续移动、且越过阻隔板130。此时，气体或液体从出口112排出。滑块140越过阻隔板130之后，滑块140在导槽116的导向作用下，逐渐靠近环形侧壁113，然后又逐渐远离环形侧壁113。如此循环，滑块140始终受到气体或液体的推力，带动转子120转动，转子120上的转轴123则可用于驱动其他设备转动，实现将流体的动能转化为机械能。
同理，本实施例提供的流体动力转化装置100也能够利用其他驱动设备驱动转子120转动，在转子120转动的作用下带动滑块140运动，与圆环形空腔150完成配合的滑块140驱动圆环形空腔150内流体运动，实现将机械能转化为流体的动能。
本实施例提供的流体动力转化装置100不仅结构简单、制造方便、成本低，而且通过设置阻隔板130在圆环形空腔150的内部形成了液体或气体的单向流道、且密封性较好。转子120上的滑块140的受力面积较大，能够使转子120受到较大的切向力，提高转子120将液体或气体的动能转化为机械能效率。同理，滑块140对液体或气体的作用面积较大，对液体或气体的推动力较大，能够有效提高将机械能转化为液体或气体的动能的效率。
第二实施例
本实施例提供了一种流体动力转化装置100，其与第一实施例中的流体动力转化装置的区别在于：本实施例提供的流体动力转化装置100为外转子内定子结构。
图5为本实施例提供的流体动力转化装置的结构示意图，请参阅图5。
定子110为圆柱状。定子110上开设有进口111和出口112。转子120为圆筒状。转子120转动地套设在定子110的外围。转子120与定子110之间形成圆环形空腔150。进口111和出口112均使圆环形空腔150与外界连通。阻隔板130固定连接在定子110上、并与转子120滑动连接。阻隔板130位于圆环形空腔150内、且在进口111与出口112之间。滑槽121开设在转子120的内周面上。滑槽121沿转子120的轴向延伸至转子120的两个端面。滑槽121和滑块140的数量均为三个。三个滑槽121沿转子120的内周面均匀布置。
图6为图5中的流体动力转化装置沿VI-VI剖切线的剖切结构示意图，请参阅图6。
定子110包括内圆柱体117、第二顶壁118和第二底壁119。第二顶壁118和第二底壁119分别设置在内圆柱体117的两端。第二顶壁118和第二底壁119中任一个或者两个均与内圆柱体117可拆卸连接。转子120转动地套设在内圆柱体117的外围、且位于第二顶壁118与第二底壁119之间。
第二顶壁118上靠近第二底壁119的表面和第二底壁119上靠近第二顶壁118的表面对应设置有导槽116。滑块140分别靠近第二顶壁118和第二底壁119的两端分别固定连接有轴承160。轴承160延伸至对应的导槽116内。
图7为图6中的转子的结构示意图，请参阅图6和图7。
转子120的内周面上设置有环形凸棱123。环形凸棱123的数量为两个。两个环形凸棱123间隔设置。滑槽121贯穿环形凸棱123的内周面。
图8为图6中的定子沿VIII-VIII剖切线的剖切结构示意图，请参阅图8。
导槽116开设在第二顶壁118的内表面上、且位于内圆柱体117的外围。导槽116的延伸形状为偏心环状形。导槽116的结构与第一实施例中相近，不同之处在于，第一弧形段1161与第二弧形段1162的交接处距离第二顶壁118的中心最远。第三弧形段1163为圆弧形，并且第三弧形段1163上各处相比第一弧形段1161和第二弧形段1162上各处距离第二顶壁118的中心较近。
具体的，请结合图6和图8。第一弧形段1161与第二弧形段1162的交接处与阻隔板130位于转子120的同一径向方向上。当轴承160滚动至第一弧形段1161与第二弧形段1162的交接处时，滑块140完成收缩至滑槽121的内部。
本实施例提供的流体动力转化装置100的工作原理：气体或液体从进口111流入圆环形空腔150中后，在阻隔板130的阻挡作用下，向远离阻隔板130的方向流动，将推动伸出滑槽121外的滑块140，使转子120围绕自身轴线转动。在转子120转动的过程中，滑块140上的轴承160在导槽116内滚动，带动滑块140沿转子120的径向移动。当滑块140转动到阻隔板130的位置时，轴承160滚动至第一弧形段1161与第二弧形段1162的交接处，滑块140完成收缩至滑槽121的内部，滑块140继续移动、且越过阻隔板130。此时，气体或液体已从出口112排出。滑块140越过阻隔板130之后，滑块140在导槽116的导向作用下，逐渐靠近内圆柱体117，然后又逐渐远离内圆柱体117。如此循环，滑块140始终受到气体或液体的推力，带动转子120转动，转子120的外表面则可用于连接皮带等传动部件，实现将流体的动能转化为机械能。同理，本实施例提供的流体动力转化装置100也可实现将机械能转化为流体的动能。
第三实施例
本实施例中的流体动力转化方法基于第一实施例或第二实施例中的流体动力转化装置，并包括以下步骤：
从进口向圆环形空腔中通入流体，使流体推动伸出的滑块以带动转子相对定子转动，从而实现将流体的动力转化为转子的转动；同时流体从出口流出。流体的动力转化为转子的转动后可根据需要转化成电能等。
第四实施例
本实施例中的流体动力转化方法基于第一实施例或第二实施例中的流体动力转化装置，并包括以下步骤：
使用外接动力驱动转子相对定子转动，转子上伸出的滑块带动圆环形空腔中的流体流动，形成流体动力。
例如，可通过电机驱动转子转动，从而将电能转化为流体的动力。
以上所述仅为本发明的优选实施例而已，并不用于限制本发明，对于本领域的技术人员来说，本发明可以有各种更改和变化。凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内
工业实用性
本发明提供的流体动力转化装置不仅结构简单、制造方便、成本低，而且通过设置阻隔板在圆环形空腔的内部形成了液体或气体的单向流道、且密封性较好。转子上的滑块的受力面积较大，能够使转子受到较大的切向力，提高转子将液体或气体的动能转化为机械能效率。同理，滑块对液体或气体的作用面积较大，对液体或气体的推动力较大，能够有效提高将机械能转化为液体或气体的动能的效率，因此，流体动力转化装置和基于此的流体动力转化方法适于工业实用。

Claims (18)

  1. 一种流体动力转化装置，其特征在于，包括定子、转子、阻隔板和滑块；所述转子与所述定子转动连接；所述转子与所述定子相对的侧壁之间形成有圆环形空腔；所述定子上开设有进口和出口；所述阻隔板固定连接在所述定子上、且与所述转子滑动连接；所述阻隔板位于所述圆环形空腔内、且在所述进口与所述出口之间；所述转子对应所述圆环形空腔的表面上开设有滑槽；每一所述滑槽内设置有一个所述滑块；所述滑块从所述滑槽内伸出、与所述阻隔板一并将所述圆环形空腔可分成压力不等的两个子空腔，所述滑块缩回所述滑槽内以越过所述阻隔板。
  2. 根据权利要求1所述的流体动力转化装置，其特征在于，每一所述滑块在对应所述定子底面的两个侧面上，至少一个侧面上固定连接一轴承；所述定子底壁上朝向所述滑块固定连接所述轴承的表面上开设有导槽；所述导槽的延伸形状为偏心环状形；所述轴承被构造成配合于所述导槽中，并能够沿所述导槽滚动带动所述滑块在所述滑槽内往复伸缩和随所述转子转动。
  3. 根据权利要求1所述的流体动力转化装置，其特征在于，所述定子为圆筒状；所述转子为圆柱状；所述转子转动地设置在所述定子的内部；所述转子与所述定子相对的侧壁之间形成所述圆环形空腔。
  4. 根据权利要求3所述的流体动力转化装置，其特征在于，所述定子包括环形侧壁、第一顶壁和第一底壁；所述第一顶壁和所述第一底壁分别设置在所述环形侧壁的两端；所述第一顶壁的内表面和所述第一底壁的内表面对应设置有导槽；在靠近所述第一顶壁和靠近所述第一底壁的所述滑块两端固定连接的轴承分别滚动配合于对应的所述导槽中，所述轴承能够沿所述导槽滚动滑行。
  5. 根据权利要求1所述的流体动力转化装置，其特征在于，所述滑槽开设在所述转子的外周面上；所述滑槽沿所述转子的轴向延伸至所述转子的两个端面。
  6. 根据权利要求5所述的流体动力转化装置，其特征在于，所述滑槽与装在所述滑槽中的所述滑块的数量至少有两个；所述滑槽沿所述转子的外周面均匀布置。
  7. 根据权利要求6所述的流体动力转化装置，其特征在于，所述转子的外周面上沿轴线设置有环形凸棱；所述滑槽贯穿所述环形凸棱的外周面。
  8. 根据权利要求7所述的流体动力转化装置，其特征在于，所述环形凸棱的数量为至少两个；所述环形凸棱沿所述转子的轴向间隔设置。
  9. 根据权利要求7所述的流体动力转化装置，其特征在于，所述阻隔板开设有容纳所述环形凸棱的沟槽。
  10. 根据权利要求3所述的流体动力转化装置，其特征在于，所述定子为圆柱状；所述定子包括内圆柱体、第二顶壁和第二底壁；所述第二顶壁和所述第二底壁分别设置在所述内圆柱体的两端；所述转子为圆筒状；所述转子转动地套设在所述内圆柱体的外围、且位于所述第二顶壁与所述第二底壁之间；所述转子与所述内圆柱体之间形成所述圆环形空腔。
  11. 根据权利要求10所述的流体动力转化装置，其特征在于，所述滑槽开设在所述转子的内周面上；所述滑槽沿所述转子的轴向延伸至所述转子的两个端面。
  12. 根据权利要求10所述的流体动力转化装置，其特征在于，所述第二顶壁上靠近所述第二底壁的表面和所述第二底壁上靠近所述第二顶壁的表面对应设置有导槽。
  13. 根据权利要求12所述的流体动力转化装置，其特征在于，所述滑块分别靠近所述第二顶壁和所述第二底壁的两端分别固定连接有轴承；所述轴承可活动地配合于所述导槽内，并能够带动所述滑块沿所述导槽运动和沿所述滑槽伸缩。
  14. 根据权利要求10所述的流体动力转化装置，其特征在于，所述转子的内周面上设置有环形凸棱；所述滑槽贯穿所述环形凸棱的内周面。
  15. 根据权利要求14所述的流体动力转化装置，其特征在于，所述环形凸棱的数量为至少两个；所述环形凸棱沿所述转子的轴向间隔设置。
  16. 根据权利要求14所述的流体动力转化装置，其特征在于，所述阻隔板开设有容纳所述环形凸棱的沟槽。
  17. 一种流体动力转化方法，其特征在于，所述流体动力转化方法基于权利要求1-16任一项所述的流体动力转化装置，并包括以下步骤：
    从所述进口向所述圆环形空腔中通入流体，使流体推动伸出的所述滑块以带动所述转子相对所述定子转动，从而实现将流体的动力转化为转子的转动；同时流体从所述出口流出。
  18. 一种流体动力转化方法，其特征在于，所述流体动力转化方法基于权利要求1-16任一项所述的流体动力转化装置，并包括以下步骤：
    使用外接动力驱动所述转子相对所述定子转动，所述转子上伸出的所述滑块推动所述圆环形空腔中的流体流动，形成流体动力。
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