Current-regulating and pressure-regulating valve system of self-powered power supply

Abstract

The utility model relates to a self-powered flow and pressure regulating valve system, which comprises a valve body, a guide cylinder, a piston, an electric actuator, a transmission component and a power generation component, the power generation component comprises a hydroelectric generator, a water inlet pipe and a water outlet pipe, the piston slides along the axial direction of the valve body, the valve body is a cylinder with a flow channel at the center, and a valve main sealing ring is arranged at an outlet of the flow channel. When the piston is in a closed state, the valve main sealing ring is attached to the outer wall of the piston, the outer wall of the guide cylinder is connected with the inner wall of the valve body through a connecting plate, an inlet of the water inlet pipe extends into the flow channel, and the hydroelectric generator is electrically connected with an energy storage system which is electrically connected with the electric actuator. According to the utility model, the interface of the hydroelectric generator is communicated with the valve body, so that electric power storage can be stably provided for an energy storage system, the electric power supply for frequent action of the electric actuator is ensured, and meanwhile, the external environment climate is not required; due to the fact that the connector is directly arranged on the valve body, installation is more convenient, and damage to a pipeline is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to fluid valve technical field, especially relate to a self -force power's flow regulating pressure regulating valve system. BACKGROUND

[0002] Valve is the component commonly used by fluid, due to remote control and inconvenient personnel operation occasion, usually set up electric actuator on the valve operation valve open and close. The work of electric actuator needs power support, for part valve arrangement occasion, power supply is inconvenient or power supply cost is high, therefore, the wind and light storage power system is developed for the function of valve, but this kind of mode is higher to surrounding climate environment requirement, especially not suitable for frequent opening and closing occasion. SUMMARY

[0003] In view of the deficiency of prior art, the utility model aims at providing a self -force power's flow regulating pressure regulating valve system.

[0004] The utility model discloses a self -force power's flow regulating pressure regulating valve system, including the valve body, the flow guide cylinder that sets up in the valve body, the piston that sets up in the flow guide cylinder, the electric actuator that sets up in the valve body, the transmission assembly that connects electric actuator with the piston, the power generation subassembly that sets up in the valve body, the power generation subassembly includes the water turbine generator, the inlet pipe that connects the water turbine generator import, the outlet pipe that connects the water turbine generator export, the piston slides along the valve body axis direction, the valve body is the cylindrical that is equipped with the flow passage in the center, the flow passage export is equipped with the valve main sealing ring, when the piston is in the closed state, the valve main sealing ring and the outer wall of piston are attached, the flow guide cylinder outer wall and the valve body inner wall are connected through the connecting plate, the inlet pipe import extends to the flow passage, the water turbine generator is electrically connected with energy storage system, and the energy storage system is electrically connected electric actuator.

[0005] As a further improvement of the design, the front end of the flow guide cylinder is a streamline arc-shaped head, the tail end of the flow guide cylinder is provided with an opening, and when the piston is in the closed state, the piston partially extends out of the opening.

[0006] As a further improvement of the design, the opening is provided with a secondary sealing ring, and the secondary sealing ring is attached to the outer wall of the piston.

[0007] As a further improvement of the design, the transmission assembly comprises a transmission shaft, a swing arm arranged at the end of the transmission shaft, a connecting rod rotatably connected to the end of the swing arm, a connecting ring connected to the inner wall of the piston, a cross beam arranged in the connecting ring, the end of the connecting rod is rotatably connected to the middle of the cross beam, the cross beam extends radially along the connecting ring, the rotation axis of the cross beam and the connecting rod is parallel to the axis of the transmission shaft, and the rotation axis of the swing arm and the connecting rod is parallel to the axis of the transmission shaft.

[0008] As a further improvement of the design, the inner wall of the piston outlet is provided with an annular step, the rear end surface of the connecting ring is attached to the front end surface of the annular step, and the annular step is connected to the connecting ring through bolts.

[0009] As a further improvement of the design, the front end of the guide cylinder is provided with an access hole, and a maintenance plate is connected to the guide cylinder through bolts, and the maintenance plate closes the access hole.

[0010] As a further improvement of the design, the maintenance plate is provided with a drainage hole opening forward, and the drainage hole is communicated with the water inlet pipe.

[0011] As a further improvement of the design, the water outlet pipe is communicated to the guide cylinder.

[0012] As a further improvement of the design, the inner wall of the guide cylinder is provided with a guide rib, the guide rib is arranged in an annular array along the axis of the guide cylinder, the guide rib is attached to the outer wall of the piston, and the inner wall of the connecting plate between the guide cylinder and the valve body outlet is provided with a wear-resistant strip attached to the outer wall of the piston.

[0013] The utility model discloses the beneficial effect is: the utility model discloses the interface of the water power generator is communicated with the valve body, can provide power storage for the stable energy storage system, guarantees the power supply of the frequent action of electric actuator, and has no requirement to the external environment climate, because the interface is arranged on the direct valve body and makes installation more convenient, reduces the damage to the pipeline. ACCURATE DRAWINGS

[0014] The utility model is further illustrated below in connection with the drawings and examples.

[0015] Figure 1 It is the three-dimensional structure schematic diagram of not setting up the power generation assembly of the utility model.

[0016] Figure 2 It is the three-dimensional front view schematic diagram of not setting up the power generation assembly of the utility model.

[0017] Figure 3 It is the whole section schematic diagram of the utility model in Figure 2 A-A position.

[0018] Figure 4 Figure 1 is a schematic diagram of the valve body part local cross-section structure.

[0019] In the figure 1. Valve body, 2. Electric actuator, 3. Flow channel outlet, 4. Power generation assembly, 40. Water inlet pipe, 41. Water turbine, 42. Water outlet pipe, 5. Piston, 6. Wear-resistant strip, 7. Connecting plate, 8. Transmission assembly, 80. Connecting rod, 81. Swing arm, 82. Transmission shaft, 83. Cross beam, 84. Connecting ring, 9. Annular step, 10. Access plate, 11. Drainage hole, 12. Flow channel, 13. Auxiliary sealing ring, 14. Flow guide cylinder, 15. Valve main sealing ring, 16. Access hole, 17. Guide rib, 18. Opening. DETAILED DESCRIPTION

[0020] The utility model will be combined with the specific implementation example and the drawing in detail, the illustrative example and the explanation in it only use to explain the utility model, but do not as the limitation to the utility model. EMBODIMENT

[0021] Please see Figures 1 to 3 A kind of flow and pressure regulating valve system of self-powered source, including valve body 1, flow guide cylinder 14 being arranged in the valve body 1, piston 5 being arranged in the flow guide cylinder 14, electric actuator 2 being arranged outside the valve body 1, transmission assembly 8 connecting the electric actuator 2 and the piston 5, power generation assembly 4 being arranged outside the valve body 1, the power generation assembly 4 includes water turbine 41, water inlet pipe 40 connecting the water turbine 41 import, water outlet pipe 42 connecting the water turbine 41 export, the piston 5 slides along the valve body 1 axial direction, the valve body 1 is cylindrically with flow channel 12 being arranged in the center, the flow channel 12 outlet 3 is equipped with valve main sealing ring 15, the piston 5 is in the closed state, the valve main sealing ring 15 is attached to the outer wall of the piston 5, the outer wall of the flow guide cylinder 14 is connected with the inner wall of the valve body 1 by connecting plate 7, the water inlet pipe 40 import extends into the flow channel 12, the water turbine 41 is electrically connected with energy storage system (not shown in the figure), and the energy storage system is electrically connected with the electric actuator 2.Energy storage system uses the energy storage system commonly used in existing market. The control system of electric actuator 2 uses the control scheme commonly used in market.

[0022] By connecting the interface of water turbine 41 with valve body 1, power storage for energy storage system can be stably provided, power supply for frequent operation of electric actuator 2 is ensured, and there is no requirement for external environment and climate. Since the interface is directly arranged on valve body 1, installation is more convenient, and damage to pipeline is reduced.

[0023] Please see Figure 3In order to reduce the resistance, the front end of the flow guide cylinder 14 is arc-shaped, and the tail end of the flow guide cylinder 14 is provided with an opening 18, and the piston 5 partially extends out of the opening 18 when the piston 5 is in the closed state. The flow guide cylinder 14 can prevent the disturbance of the fluid to the piston 5 after the valve body 1 is opened, and ensure the stability of the opening degree of the valve body 1.

[0024] Please see Figure 3 In order to ensure the sealing performance of the valve after being closed, the opening 18 is provided with a secondary sealing ring 13, which is attached to the outer wall of the piston 5, so as to avoid the leakage between the piston 5 and the flow guide cylinder 14.

[0025] Please see Figure 3 In order to reduce the structure outside the valve body 1 and reduce the load of the electric actuator 2, the transmission assembly 8 comprises a transmission shaft 82, a swing arm 81 arranged at the tail end of the transmission shaft 82, a connecting rod 80 rotatably connected to the tail end of the swing arm 81, a connecting ring 84 connected to the inner wall of the piston 5, and a cross beam 83 arranged in the connecting ring 84. The tail end of the connecting rod 80 is rotatably connected to the middle part of the cross beam 83, the cross beam 83 extends radially along the connecting ring 84, the rotation axis of the cross beam 83 and the connecting rod 80 is parallel to the axis of the transmission shaft 82, and the rotation axis of the swing arm 81 and the connecting rod 80 is parallel to the axis of the transmission shaft 82.

[0026] Please see Figure 3 In order to improve the connection strength of the transmission assembly 8 and the piston 5, the inner wall of the outlet of the piston 5 is provided with an annular step 9, the rear end surface of the connecting ring 84 is attached to the front end surface of the annular step 9, and the annular step 9 and the connecting ring 84 are connected by bolts.

[0027] Please see Figure 3 In order to facilitate the maintenance and installation of the piston 5 and the transmission assembly 8 in the flow guide cylinder 14, a maintenance opening 16 is arranged at the center of the front end of the flow guide cylinder 14, and a maintenance plate 10 is connected to the flow guide cylinder 14 by bolts, and the maintenance plate 10 closes the maintenance opening 16.

[0028] Please see Figure 3 The maintenance plate 10 is provided with a drainage hole 11 which is open forward, and the drainage hole 11 is communicated with the water inlet pipe 40.

[0029] Please see Figure 3 In order to reduce the installation difficulty and not damage the installation pipeline, the water outlet pipe 42 is communicated into the flow guide cylinder 14, which can ensure the quick water outlet of the water outlet pipe 42 and the normal work of the hydraulic generator 41.

[0030] Please see Figure 4In order to reduce the running damping of the piston 5, the inner wall of the guide cylinder 14 is provided with guide ribs 17 which are distributed in an annular array along the axis of the guide cylinder 14, the guide ribs 17 are in close contact with the outer wall of the piston 5, and the inner wall of the connecting plate 7 between the guide cylinder 14 and the outlet of the valve body 1 is provided with a wear-resistant strip 6 which is in close contact with the outer wall of the piston 5.

[0031] The above is only an embodiment of the present application, and does not limit the patent range of the present application, and any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, is also included in the patent protection range of the present application.

Claims

1. A self-powered power supply flow and pressure regulating valve system, characterized in that, The valve body, the flow guide cylinder arranged in the valve body, the piston arranged in the flow guide cylinder, the electric actuator arranged outside the valve body, the transmission assembly connecting the electric actuator and the piston, the power generation assembly arranged outside the valve body, the power generation assembly comprising a hydraulic generator, a water inlet pipe connected to the inlet of the hydraulic generator, and a water outlet pipe connected to the outlet of the hydraulic generator, the piston sliding along the axis of the valve body, the valve body being a cylindrical body with a flow channel in the center, the outlet of the flow channel being provided with a main valve sealing ring, the main valve sealing ring being in close contact with the outer wall of the piston when the piston is in the closed state, the outer wall of the flow guide cylinder being connected to the inner wall of the valve body through a connecting plate, the inlet of the water inlet pipe extending into the flow channel, the hydraulic generator being electrically connected to an energy storage system, and the energy storage system being electrically connected to the electric actuator.

2. A flow-regulating and pressure-regulating valve system of a self-powered source according to claim 1, characterized in that, The front end of the flow guide cylinder is a streamlined arc-shaped head, and the tail end of the flow guide cylinder is provided with an opening, and when the piston is in the closed state, the piston partially extends out of the opening.

3. A flow-regulating and pressure-regulating valve system of a self-powered source according to claim 2, characterized in that, The opening is provided with a secondary sealing ring, and the secondary sealing ring is in close contact with the outer wall of the piston.

4. A flow-regulating and pressure-regulating valve system of a self-powered source according to claim 3, characterized in that, The transmission assembly comprises a transmission shaft, a swing arm arranged at the end of the transmission shaft, a connecting rod rotatably connected to the end of the swing arm, a connecting ring connected to the inner wall of the piston, and a cross beam arranged in the connecting ring, the end of the connecting rod is rotatably connected to the middle of the cross beam, the cross beam extends radially along the connecting ring, the rotation axis of the cross beam and the connecting rod is parallel to the axis of the transmission shaft, and the rotation axis of the swing arm and the connecting rod is parallel to the axis of the transmission shaft.

5. A flow-regulating and pressure-regulating valve system of a self-powered source according to claim 4, characterized in that, The inner wall of the piston outlet is provided with an annular step, the rear end surface of the connecting ring is in close contact with the front end surface of the annular step, and the annular step is connected to the connecting ring by bolts.

6. A flow-regulating and pressure-regulating valve system of a self-powered source according to claim 5, characterized in that, The front end of the flow guide cylinder is provided with an inspection port, and an inspection plate is connected to the flow guide cylinder by bolts, and the inspection plate closes the inspection port.

7. A flow-regulating and pressure-regulating valve system of a self-powered source according to claim 6, characterized in that, The inspection plate is provided with a drainage hole opening forward, and the drainage hole is in communication with the water inlet pipe.

8. A flow-regulating and pressure-regulating valve system of a self-powered source according to claim 7, characterized in that, The water outlet pipe is connected to the flow guide cylinder.

9. A flow-regulated pressure-regulated valve system for a self-contained power source according to any one of claims 1-8, characterized in that The inner wall of the flow guide cylinder is provided with a guide rib, the guide rib is arranged in an annular array along the axis of the flow guide cylinder, the guide rib is in close contact with the outer wall of the piston, and the inner wall of the connecting plate between the flow guide cylinder and the valve body outlet is provided with a wear-resistant strip in close contact with the outer wall of the piston.

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