CN113236809B - A flow controller that uses pressure difference kinetic energy to self-power - Google Patents

A flow controller that uses pressure difference kinetic energy to self-power Download PDF

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Publication number
CN113236809B
CN113236809B CN202110612083.XA CN202110612083A CN113236809B CN 113236809 B CN113236809 B CN 113236809B CN 202110612083 A CN202110612083 A CN 202110612083A CN 113236809 B CN113236809 B CN 113236809B
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China
Prior art keywords
wall
rotating shaft
self
kinetic energy
flow controller
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CN113236809A (en
Inventor
陈景划
张崇海
麻素中
蔡文斌
金万年
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Zhejiang Jinghua Measurement & Control Equipment Co ltd
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Zhejiang Jinghua Measurement & Control Equipment Co ltd
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/22—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution
    • 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
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/04—Construction of housing; Use of materials therefor of sliding valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/08—Guiding yokes for spindles; Means for closing housings; Dust caps, e.g. for tyre valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/30—Details
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2220/00—Application
    • F05B2220/70—Application in combination with
    • F05B2220/706—Application in combination with an electrical generator

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)

Abstract

The invention belongs to the technical field of oilfield equipment, and particularly relates to a flow controller self-powered by utilizing differential pressure kinetic energy. The fluid to be measured can cause certain resistance when flowing through the throttling device, so that the power consumption is increased to cause energy waste. The technical scheme is that the flow control valve comprises a valve body, a miniature hydroelectric generator is arranged at the bottom of the valve body, an electric actuating mechanism is arranged at the top of the valve body, when fluid passes through the valve body, pressure differences on two sides of an impeller of the miniature hydroelectric generator can drive the impeller to rotate, and then the generator is driven to effectively generate electricity, and meanwhile, the actuator drives the impeller to radially lift in a flow channel to change the flow in the flow channel, so that the purposes of generating electricity and controlling flow are achieved.

Description

Flow controller self-powered by utilizing differential pressure kinetic energy
Technical Field
The invention relates to the technical field of oilfield equipment, in particular to a self-powered flow controller utilizing differential pressure kinetic energy.
Background
In the middle and later stages of oil field development, water injection is a precondition for stable production, yield increase and normal production maintenance of the oil field. And (3) injecting water into the stratum through the water injection well, displacing underground crude oil into the production well, and increasing the recovery ratio of crude oil after primary oil extraction. To ensure higher recovery, formation pressure must be maintained above saturation pressure. However, according to the requirement of oil field development on stable oil and water, the problem of water content is considered during block liquid extraction, so that the water injection quantity is reasonably controlled, and the realization of the recovery balance is a basic means of high and stable oil field production. The flow controller is equipment for automatically adjusting flow in the oilfield water injection process flow and is generally composed of a flow adjusting valve, an electric actuator and a flow controller.
Disclosure of Invention
Based on the existing flow controller, the flow control is realized by means of regulating valve energy consumption, and a large amount of energy loss is caused. The invention provides a self-powered flow controller utilizing differential pressure kinetic energy, which is characterized in that a first rotating shaft is arranged in the middle of a valve body, impellers are annularly arranged on the circumferential outer wall of the first rotating shaft in an array mode, meanwhile, the first rotating shaft is arranged on a shaft body of a generator, when fluid passes through the valve body, pressure difference on two sides of the impellers can drive the impellers to rotate, and then a generator rotor is driven to rotate to realize power generation, differential pressure kinetic energy is fully utilized to generate power, and the purpose of energy saving is realized. Meanwhile, the actuator rotates to drive the second rotating shaft to lift up and down, so that the impeller on the first rotating shaft is driven to lift up and down, and the purpose of controlling flow is achieved.
The invention provides a flow controller utilizing differential pressure kinetic energy to self-power, which comprises a valve body, wherein one side of the bottom of the valve body is provided with a first bulge, the outer wall of the bottom of the first bulge is provided with a first support frame, the bottom of the first support frame is provided with a generator, the inner walls of four corners of the bottom of the first support frame are provided with second fixing holes, the outer walls of four corners of the top of the generator are provided with second threaded holes, the inner walls of the adjacent second fixing holes and second threaded holes are provided with the same first fixing screw, a spring washer is arranged between the first fixing screw and the first support frame, a first rotating shaft is fixedly arranged on the shaft of the generator, impellers distributed in an annular array are fixedly arranged on the outer wall of the top of the circumference of the first rotating shaft, the middle part of the valve body is horizontally provided with a liquid guide cavity, and the impellers are positioned in the liquid guide cavity.
Through adopting above-mentioned technical scheme, when fluid passes through the valve body, the pressure differential of impeller both sides can drive the impeller and rotate, and then drives the inside bar magnet of generator and rotate, can realize the effective electricity generation of generator, the effectual electric energy consumption that has reduced has realized energy-conserving effect.
Preferably, one side of the top of the valve body is provided with a second bulge, the top of the second bulge is provided with a bracket connecting flange, the top of the bracket connecting flange is provided with a second support frame, the top of the second support frame is provided with an electric actuating mechanism, the outer walls of the two sides of the top of the bracket connecting flange are provided with fourth fixing holes, the outer walls of the two sides of the top of the second bulge are provided with fourth threaded holes, and the inner walls of the adjacent fourth fixing holes and fourth threaded holes are provided with the same second fixing screw.
Through adopting above-mentioned technical scheme, install the generator on first support frame through first set screw, install electric actuator on the second support frame through the second set screw, can realize the convenient dismouting of generator and electric actuator, and then effectually improved the convenience that the device used.
Preferably, the power transmission end of the generator is electrically connected with a power line, the power line is electrically connected with an electric actuating mechanism, a valve rod is arranged at the center of the bottom of the electric actuating mechanism, and a positioning clamping ring is arranged on the outer wall of the middle part of the circumference of the valve rod.
Preferably, the top outer wall of support flange one side has seted up spacing hole, the one side outer wall of location rand is provided with the stopper, and the stopper is located the inside in spacing hole.
Preferably, the fixed block has been cup jointed to the circumference middle part outer wall of valve rod, and the fixed block is located the location rand directly over, the third fixed orifices has all been seted up to the top both sides outer wall of fixed block, the third screw hole has all been seted up to the top both sides outer wall of location rand, and the inner wall of adjacent third fixed orifices and third screw hole is provided with same gland nut.
Through adopting above-mentioned technical scheme, can be by the reciprocates of electric actuator control location rand, can carry out spacing processing through spacing hole to the stopper, and then realize the effectual fixed to the valve rod, realize opening and shutting of valve body, through being provided with the power cord, can assist the power supply by the generator to electric actuator, realized self-powered effect, not only the electric energy of saving, need not external power supply simultaneously, reduced the complexity of device installation, improved the convenience that the device was used.
Preferably, a second rotating shaft is arranged at the bottom of the circumference of the valve rod, a sleeve hole is formed in the top of the second rotating shaft, and the valve rod is fixed to the inner wall of the sleeve hole through bolts.
Preferably, the outer wall of the center of the top of the first rotating shaft is a T-shaped head, and the T-shaped head is clamped in the T-shaped groove of the second rotating shaft.
Preferably, the mounting groove has been seted up at bellied top of second, and the inner wall fixed mounting of mounting groove has the valve gap, two first annular grooves have been seted up to the circumference outer wall of valve gap, and the inner wall of two first annular grooves has all cup jointed first sealing washer, two second annular grooves have been seted up to the circumference top inner wall of valve gap, and the second sealing washer has all been cup jointed to the inner wall of two second annular grooves.
Through adopting above-mentioned scheme, be provided with two first sealing washer at the circumference outer wall of valve gap, be provided with two second sealing washer at the circumference inner wall of valve gap, can effectually seal up valve gap and second axis of rotation, avoid causing fluid to reveal, influence the result of use and the security of using of device.
Preferably, the same first bearing sleeve is sleeved between the circumferential outer wall of the first rotating shaft and the first bump, a second bearing sleeve is sleeved between the circumferential outer wall of the second rotating shaft and the second bump, a bearing cap is sleeved on the circumferential top outer wall of the first rotating shaft, and the bearing cap is in press connection with the upper portion of the first bearing sleeve.
By adopting the technical scheme, the bearing pressing cap seals and fixes the first bearing sleeve, so that the use safety and stability of the first bearing sleeve are improved.
Preferably, two third annular grooves are formed in the outer wall of the middle of the circumference of the first rotating shaft, and the inner walls of the two third annular grooves are sleeved with gram rings.
Through adopting above-mentioned technical scheme, be provided with two gray circles at the circumference outer wall of first axis of rotation, can realize the effective seal of first axis of rotation by the gram circle, avoid causing fluid to reveal, influence the result of use and the security of using of device.
Compared with the prior art, the invention provides a self-powered flow controller utilizing differential pressure kinetic energy, which has the following beneficial effects:
1. This utilize pressure differential kinetic energy self-powered flow controller to be provided with the impeller through being provided with first axis of rotation at the valve body middle part to annular array is provided with the impeller at the circumference outer wall of first axis of rotation, installs first axis of rotation on the axis body of generator simultaneously, and when fluid passes through the valve body, the pressure differential of impeller both sides can drive the impeller and rotate, and then drives the inside bar magnet of generator and rotate, can realize the effective electricity generation of generator, the effectual electric energy consumption that has reduced has realized energy-conserving effect.
2. This utilize pressure differential kinetic energy self-powered flow controller through being provided with electric actuator, valve rod, location rand and second axis of rotation, can be by the reciprocates of electric actuator control location rand, can carry out spacing processing through spacing hole to the stopper, and then realize the effectual fixed of valve rod, realize opening and shutting of valve body, through being provided with the power cord, can assist the power supply by the generator to electric actuator, realized self-powered effect, the electric energy of not only saving, the complexity of device installation has been reduced simultaneously, the convenience of device use has been improved.
3. This utilize pressure differential kinetic energy self-powered flow controller is through being provided with the valve gap to be provided with two first sealing washer at the circumference outer wall of valve gap, be provided with two second sealing washer at the circumference inner wall of valve gap, be provided with two gray circles at the circumference outer wall of first axis of rotation, can realize the effective seal of device by first sealing washer, second sealing washer and gram circle, avoid causing the fluid to reveal, influence the result of use and the security of use of device.
4. This utilize pressure differential kinetic energy self-powered flow controller is through being provided with first support frame and second support frame to install the generator on first support frame through first set screw, install electric actuator on the second support frame through the second set screw, can realize the convenient dismouting of generator and electric actuator, and then the effectual convenience that has improved the device and use.
Drawings
FIG. 1 is a schematic diagram of a front cross-sectional structure of a flow controller self-powered by differential pressure kinetic energy according to the present invention;
FIG. 2 is a schematic diagram of a first support structure of a flow controller self-powered by differential kinetic energy according to the present invention;
fig. 3 is a schematic diagram of a partial front cross-sectional structure of a valve cover and a support frame flange of a flow controller using differential pressure kinetic energy self-power.
In the figure, a generator, a power line 2, a spring washer 3, a first fixing screw 4, a first supporting frame 5, a first rotating shaft 8, a gray ring 9, a first bearing sleeve 10, a bearing cap 11, an impeller 12, a second rotating shaft 13, a second bearing sleeve 14, a valve cover 15, a first sealing ring 16, a second sealing ring 17, a valve rod 18, a second fixing screw 19, an electric actuator 20, a compression nut 21, a positioning clamping ring 22, a bracket connecting flange 23 and a valve body 24 are arranged.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the description of this patent, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be fixedly connected, disposed, detachably connected, disposed, or integrally connected, disposed, for example. The specific meaning of the terms in this patent will be understood by those of ordinary skill in the art as the case may be.
Referring to fig. 1-3, a flow controller utilizing differential pressure kinetic energy to self-power comprises a valve body 24, a first bulge is arranged on one side of the bottom of the valve body 24, a first supporting frame 5 is arranged on the outer wall of the bottom of the first bulge, a generator 1 is arranged at the bottom of the first supporting frame 5, second fixing holes are formed in the inner walls of four corners of the bottom of the first supporting frame 5, second threaded holes are formed in the outer walls of four corners of the top of the generator 1, a first fixing screw 4 is arranged on the inner walls of the adjacent second fixing holes and the second threaded holes, a spring washer 3 is arranged between the first fixing screw 4 and the first supporting frame 5, a first rotating shaft 8 is connected to the shaft body of the generator 1 through bolts, impellers 12 distributed in an annular array are connected to the outer walls of the top of the circumference of the first rotating shaft 8 through bolts, a liquid guide cavity is horizontally arranged in the middle of the valve body 24, and the impellers 12 are located inside the liquid guide cavity.
According to the invention, the second bulge is arranged on one side of the top of the valve body 24, the bracket connecting flange 23 is arranged on the top of the second bulge, the second support frame is arranged on the top of the bracket connecting flange 23, the electric actuating mechanism 20 is arranged on the top of the second support frame, the outer walls of the two sides of the top of the bracket connecting flange 23 are provided with fourth fixing holes, the outer walls of the two sides of the top of the second bulge are provided with fourth threaded holes, the inner walls of the adjacent fourth fixing holes and fourth threaded holes are provided with the same second fixing screw 19, and the generator 1 is mounted on the first support frame 5 through the first fixing screw 4, so that the electric actuating mechanism 20 is mounted on the second support frame through the second fixing screw 19, and the convenient dismounting of the generator 1 and the electric actuating mechanism 20 can be realized, and the convenience of using the device is effectively improved. The purpose of the electric actuator 20 is to drive and adjust the impeller to move up and down according to the signal provided by the flow controller, thereby changing the flow. The more impellers are in the flow channel, the smaller the flow rate, the less impellers are in the flow channel, and the larger the flow rate.
The power transmission end electric connection of generator 1 has power cord 2, and power cord 2 electric connection is in electric actuator 20, electric actuator 20's bottom central authorities are provided with valve rod 18, and the circumference middle part outer wall of valve rod 18 is provided with location rand 22, can realize opening and shutting of valve body by electric actuator 20, through being provided with power cord 2, can assist the power supply to electric actuator 20 by generator 1, realized self-powered effect, not only the electric energy of saving, the complexity of device installation has been reduced to the while not having need of external power supply, the convenience of device use has been improved. The electric actuator 20 can drive the second rotating shaft 13 and the second bearing sleeve 14 to drive the impeller to move up and down.
The top outer wall on one side of the bracket connecting flange 23 is provided with a limiting hole, the outer wall on one side of the positioning clamping ring 22 is provided with a limiting block, the limiting block is positioned in the limiting hole, the electric actuating mechanism 20 can control the positioning clamping ring 22 to move up and down, the limiting block can be limited through the limiting hole, further, the valve rod 18 is effectively fixed, and further, the valve body 24 is opened and closed;
The fixed block is fixedly sleeved on the outer wall of the middle part of the circumference of the valve rod 18 and is positioned right above the positioning clamping ring 22, third fixing holes are formed in the outer walls of the two sides of the top of the fixed block, third threaded holes are formed in the outer walls of the two sides of the top of the positioning clamping ring 22, and the same compression nut 21 is arranged on the inner walls of the adjacent third fixing holes and the inner walls of the third threaded holes, so that the convenience of the fixed installation of the positioning clamping ring 22 is improved;
The circumference bottom of the valve rod 18 is provided with a second rotating shaft 13, the top of the second rotating shaft 13 is provided with a sleeve hole, and the valve rod 18 is fixed on the inner wall of the sleeve hole through a bolt;
the central outer wall of the top of the first rotating shaft 8 is a T-shaped head which is clamped in a T-shaped groove of the second rotating shaft 13;
The mounting groove is formed in the top of the second bulge, the inner wall of the mounting groove is connected with the valve cover 15 through the bolt, two first annular grooves are formed in the circumferential outer wall of the valve cover 15, the inner walls of the two first annular grooves are sleeved with the first sealing ring 16, two second annular grooves are formed in the circumferential top inner wall of the valve cover 15, the inner walls of the two second annular grooves are sleeved with the second sealing ring 17, two first sealing rings 16 are arranged on the circumferential outer wall of the valve cover 15, two second sealing rings 17 are arranged on the circumferential inner wall of the valve cover 15, sealing treatment can be effectively carried out on the valve cover 15 and the second rotating shaft 13, fluid leakage is avoided, and the using effect and the using safety of the device are affected;
the same first bearing sleeve 10 is sleeved between the circumferential outer wall of the first rotating shaft 8 and the first convex block, the second bearing sleeve 14 is sleeved between the circumferential outer wall of the second rotating shaft 13 and the second convex block, the bearing cap 11 is sleeved on the circumferential top outer wall of the first rotating shaft 8, the bearing cap 11 is pressed and connected above the first bearing sleeve 10, and the bearing cap 11 seals and fixes the first bearing sleeve 10, so that the use safety and stability of the first bearing sleeve are improved;
Two third annular grooves are formed in the outer wall of the middle of the circumference of the first rotating shaft 8, the two gram rings 9 are sleeved on the inner walls of the two third annular grooves, two gram rings 9 are arranged on the outer wall of the circumference of the first rotating shaft 8, the first rotating shaft 8 can be effectively sealed through the gram rings 9, fluid leakage is avoided, and the using effect and the using safety of the device are affected.
The device is arranged between the water inlet pipes of the air oil well in the oilfield water injection process, high-pressure water is filled into the air oil well through the water inlet pipes, oil in the ground is extruded into the peripheral oilfield, then water flows through the water guide cavity in the valve body 24, the impeller 12 rotates by utilizing the difference of water pressure at two sides of the impeller, and then the magnetic rod in the generator 1 is driven to rotate, so that the generator 1 can effectively generate electricity, the electric actuator 20 is assisted by the generator 1 through the power wire 2, the self-powered effect is realized, electric energy is saved, an external power supply is not needed, the installation complexity of the device is reduced, and the use convenience of the device is improved.
The control mode of the invention is automatically controlled by the controller, the control circuit of the controller can be realized by simple programming of a person skilled in the art, the supply of power also belongs to common knowledge in the art, and the invention is mainly used for protecting a mechanical device, so the invention does not explain the control mode and circuit connection in detail.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.

Claims (8)

1.一种利用压差动能自供电的流量控制器，包括阀体(24)，其特征在于，所述阀体(24)的底部一侧设置有第一凸起，且第一凸起底部外壁设置有第一支撑架(5)，所述第一支撑架(5)的底部设置有发电机(1)，所述第一支撑架(5)的底部四角内壁均开设有第二固定孔，所述发电机(1)的顶部四角外壁均开设有第二螺纹孔，且相邻的第二固定孔和第二螺纹孔的内壁设置有同一个第一固定螺钉(4)，所述第一固定螺钉(4)和第一支撑架(5)之间设置有弹簧垫圈(3)，所述发电机(1)轴体上固定安装有第一转动轴(8)，且第一转动轴(8)的圆周顶部外壁固定安装有环形阵列分布的叶轮(12)，所述阀体(24)的中部水平设置有导液腔，且叶轮(12)位于导液腔内部；所述阀体(24)的顶部一侧设置有第二凸起，且第二凸起的顶部设置有支架连接法兰(23)，所述支架连接法兰(23)的顶部设置有第二支撑架，且第二支撑架的顶部设置有电动执行机构(20)；所述发电机(1)的输电端电性连接有电源线(2)，且电源线(2)电性连接于电动执行机构(20)，所述电动执行机构(20)的底部中央设置有阀杆(18)，所述阀杆(18)的圆周底部设置有第二转动轴(13)，且第二转动轴(13)的顶部开设有套孔，所述阀杆(18)通过螺栓固定于套孔内壁；所述第一转动轴(8)的顶部中央外壁为T型头，卡在第二转动轴(13)T型槽内；电动执行机构旋转带动第二转动轴上下升降，进而带动第一转动轴上的叶轮上下升降，实现控制流量。1. A flow controller that uses pressure difference kinetic energy to self-power, comprising a valve body (24), characterized in that a first protrusion is provided on one side of the bottom of the valve body (24), and a first support frame (5) is provided on the outer wall of the bottom of the first protrusion, a generator (1) is provided at the bottom of the first support frame (5), second fixing holes are provided on the inner walls of the four corners of the bottom of the first support frame (5), second threaded holes are provided on the outer walls of the four corners of the top of the generator (1), and the same first fixing screw (4) is provided on the inner walls of adjacent second fixing holes and second threaded holes, a spring washer (3) is provided between the first fixing screw (4) and the first support frame (5), a first rotating shaft (8) is fixedly installed on the shaft of the generator (1), and impellers (12) distributed in an annular array are fixedly installed on the outer wall of the circumferential top of the first rotating shaft (8), a liquid guide cavity is horizontally provided in the middle of the valve body (24), and the impeller (12) is located inside the liquid guide cavity ; A second protrusion is provided on one side of the top of the valve body (24), and a bracket connecting flange (23) is provided on the top of the second protrusion, a second support frame is provided on the top of the bracket connecting flange (23), and an electric actuator (20) is provided on the top of the second support frame; the power transmission end of the generator (1) is electrically connected to a power line (2), and the power line (2) is electrically connected to the electric actuator (20); a valve stem (18) is provided at the center of the bottom of the electric actuator (20), a second rotating shaft (13) is provided at the circumferential bottom of the valve stem (18), and a sleeve hole is opened at the top of the second rotating shaft (13), and the valve stem (18) is fixed to the inner wall of the sleeve hole by bolts; the outer wall at the top center of the first rotating shaft (8) is a T-shaped head, which is stuck in the T-shaped groove of the second rotating shaft (13); the electric actuator rotates to drive the second rotating shaft to rise and fall, thereby driving the impeller on the first rotating shaft to rise and fall, thereby realizing flow control. 2.根据权利要求1所述的一种利用压差动能自供电的流量控制器，其特征在于，所述支架连接法兰(23)的顶部两侧外壁均开设有第四固定孔，所述第二凸起的顶部两侧外壁均开设有第四螺纹孔，且相邻的第四固定孔和第四螺纹孔的内壁设置有同一个第二固定螺钉(19)。2. A flow controller that utilizes pressure difference kinetic energy for self-power supply according to claim 1, characterized in that fourth fixing holes are provided on both sides of the outer walls at the top of the bracket connecting flange (23), fourth threaded holes are provided on both sides of the outer walls at the top of the second protrusion, and the inner walls of adjacent fourth fixing holes and fourth threaded holes are provided with the same second fixing screw (19). 3.根据权利要求2所述的一种利用压差动能自供电的流量控制器，其特征在于，且阀杆(18)的圆周中部外壁设置有定位卡圈(22)。3. A flow controller that uses pressure difference kinetic energy to self-power according to claim 2, characterized in that a positioning collar (22) is provided on the outer wall of the middle part of the circumference of the valve stem (18). 4.根据权利要求3所述的一种利用压差动能自供电的流量控制器，其特征在于，所述支架连接法兰(23)一侧的顶部外壁开设有限位孔，所述定位卡圈(22)的一侧外壁设置有限位块，且限位块位于限位孔的内部。4. A flow controller that utilizes pressure difference kinetic energy for self-power supply according to claim 3, characterized in that a limiting hole is provided on the top outer wall on one side of the bracket connecting flange (23), and a limiting block is provided on the outer wall on one side of the positioning clamp ring (22), and the limiting block is located inside the limiting hole. 5.根据权利要求4所述的一种利用压差动能自供电的流量控制器，其特征在于，所述阀杆(18)的圆周中部外壁固定套接有固定块，且固定块位于定位卡圈(22)的正上方，所述固定块的顶部两侧外壁均开设有第三固定孔，所述定位卡圈(22)的顶部两侧外壁均开设有第三螺纹孔，且相邻的第三固定孔和第三螺纹孔的内壁设置有同一个压紧螺母(21)。5. A flow controller that uses pressure difference kinetic energy to self-power according to claim 4, characterized in that a fixing block is fixedly sleeved on the outer wall of the middle part of the circumference of the valve stem (18), and the fixing block is located directly above the positioning clamp ring (22), and third fixing holes are opened on the outer walls on both sides of the top of the fixing block, and third threaded holes are opened on the outer walls on both sides of the top of the positioning clamp ring (22), and the inner walls of adjacent third fixing holes and third threaded holes are provided with the same clamping nut (21). 6.根据权利要求2所述的一种利用压差动能自供电的流量控制器，其特征在于，所述第二凸起的顶部开设有安装槽，且安装槽的内壁固定安装有阀盖(15)，所述阀盖(15)的圆周外壁开设有两个第一环形凹槽，且两个第一环形凹槽的内壁均套接有第一密封圈(16)，所述阀盖(15)的圆周顶部内壁开设有两个第二环形凹槽，且两个第二环形凹槽的内壁均套接有第二密封圈(17)。6. A flow controller that utilizes pressure differential kinetic energy for self-power supply according to claim 2, characterized in that a mounting groove is provided at the top of the second protrusion, and a valve cover (15) is fixedly installed on the inner wall of the mounting groove, and two first annular grooves are provided on the circumferential outer wall of the valve cover (15), and the inner walls of the two first annular grooves are both sleeved with a first sealing ring (16), and two second annular grooves are provided on the inner wall of the circumferential top of the valve cover (15), and the inner walls of the two second annular grooves are both sleeved with a second sealing ring (17). 7.根据权利要求1所述的一种利用压差动能自供电的流量控制器，其特征在于，所述第一转动轴(8)的圆周外壁和第一凸块之间套接有同一个第一轴承套(10)，所述第二转动轴(13)的圆周外壁和第二凸起之间套接有第二轴承套(14)，所述第一转动轴(8)的圆周顶部外壁套接有轴承压帽(11)，且轴承压帽(11)压接于第一轴承套(10)的上方。7. A flow controller that uses pressure difference kinetic energy to self-power according to claim 1, characterized in that the same first bearing sleeve (10) is sleeved between the circumferential outer wall of the first rotating shaft (8) and the first protrusion, a second bearing sleeve (14) is sleeved between the circumferential outer wall of the second rotating shaft (13) and the second protrusion, and a bearing pressure cap (11) is sleeved on the circumferential top outer wall of the first rotating shaft (8), and the bearing pressure cap (11) is crimped on the top of the first bearing sleeve (10). 8.根据权利要求7所述的一种利用压差动能自供电的流量控制器，其特征在于，所述第一转动轴(8)的圆周中部外壁开设有两个第三环形凹槽，且两个第三环形凹槽的内壁均套接有格兰圈(9)。8. A flow controller that uses pressure difference kinetic energy to self-power according to claim 7, characterized in that two third annular grooves are provided on the outer wall of the circumference middle of the first rotating shaft (8), and the inner walls of the two third annular grooves are both sleeved with gland rings (9).
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