CN218208386U - Anti-pressure pipeline for hydropower station - Google Patents
Anti-pressure pipeline for hydropower station Download PDFInfo
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- CN218208386U CN218208386U CN202222281737.8U CN202222281737U CN218208386U CN 218208386 U CN218208386 U CN 218208386U CN 202222281737 U CN202222281737 U CN 202222281737U CN 218208386 U CN218208386 U CN 218208386U
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Abstract
The utility model relates to a power station is with anti pressure pipeline, it includes the pipeline body, the pipeline body includes outer tube and inner tube, be provided with the intermediate layer between outer tube and the inner tube, be provided with a plurality of pressure relieving structure in the intermediate layer, pressure relieving structure is used for protecting the pipeline body to prevent that water pressure is too big and break, be provided with the adjusting valve body on the pipeline body, the adjusting valve body electricity is connected with water pressure detection circuitry, water pressure detection circuitry includes water pressure detection module, water pressure judgement module and control module, the income water velocity of flow of adjusting valve body circular telegram start adjusting pipeline body. This application can prevent effectively that water pressure is too big and the cracked condition, improves the life's of pipeline effect.
Description
Technical Field
The application relates to the technical field of hydropower station equipment, in particular to a pressure-resistant pipeline for a hydropower station.
Background
The hydropower station is called a hydroelectric power plant, is a facility for converting potential energy and kinetic energy of water into electric energy, and the pressure-resistant pipeline is one of important structures of the hydropower station.
At present, the water flow pressure of a hydropower station is very large, the attention degree of a pipeline of the existing hydropower station to water pressure is not enough, the problem of overlarge water pressure of the pipeline cannot be effectively prevented, monitored and solved, and the pipeline is easy to burst due to the overlarge water pressure, so that serious consequences are easy to cause, and therefore, a certain improvement space exists.
SUMMERY OF THE UTILITY MODEL
In order to make the pipeline of power station can effectively prevent that water pressure is too big and break, improve the life of pipeline, this application provides a compressive resistance pipeline for power station.
The application provides a power station uses anti pressure pipeline adopts following technical scheme:
a pressure-resistant pipeline for a hydropower station comprises a pipeline body, wherein the pipeline body comprises an outer pipe and an inner pipe, an interlayer is arranged between the outer pipe and the inner pipe, a plurality of pressure-relieving structures are arranged in the interlayer, the pressure-relieving structures are used for protecting the pipeline body from breaking due to overlarge water pressure, an adjusting valve body is arranged on the pipeline body, the adjusting valve body is electrically connected with a water pressure detection circuit, and the water pressure detection circuit comprises a water pressure detection module, a water pressure judgment module and a control module;
the output end of the water pressure detection module is coupled with the water pressure judgment module, and the water pressure detection module is used for detecting the water pressure applied to the pipeline body and outputting a pressure detection signal to the water pressure judgment module;
the output end of the water pressure judging module is coupled with the control module, the water pressure judging module is provided with a water pressure threshold value, and when a pressure detection signal input by the water pressure judging module is greater than the water pressure threshold value, the water pressure judging module outputs a water pressure judging signal to the control module;
the output of control module is coupled in adjusting valve body, control module exports control signal adjusting valve body when being used for receiving water pressure judgement signal, adjusting valve body circular telegram starts, adjusting valve body is used for adjusting the income water velocity of flow of pipeline body.
By adopting the technical scheme, when using the pipeline body to drain water, rivers enter the inner tube of pipeline body, this internal intermediate layer that sets up of pipeline, and set up the pressure relieving structure in the intermediate layer, can prevent effectively that this internal water of pipeline from being too big and damaged to pipeline body internal pressure, the adjusting valve body can adjust the water velocity of water inflow pipeline this internal, the water pressure condition in this internal water pressure of pipeline of real-time supervision of water pressure detection circuit that the adjusting valve body electricity is connected, when this internal water pressure of pipeline increases, the pressure detection signal of water pressure detection module output increases, the pressure detection signal of water pressure judgement module input is greater than the water pressure threshold value that water pressure judgement module set up, water pressure judgement module output water pressure judgement signal to control module, when control module receives water pressure judgement signal, output control signal to adjusting valve body circular telegram starts, adjust the inflow velocity of water that flows into pipeline this internal, through adjusting valve body and this internal pressure relieving structure of pipeline, make the pipeline of hydropower station can prevent effectively that water pressure is too big and break, the life of pipeline body is improved.
Optionally, the structure of slowly pressing includes fixed block, telescopic link and spring, the fixed block sets up respectively on the inner wall of outer tube and the outer wall of inner tube, the telescopic link includes pole body and movable rod, movable rod swing joint is in pole body, the pole body is fixed on the fixed block of the inner wall of outer tube, the one end that the pole body was kept away from to the movable rod is fixed in on the fixed block of the outer wall of inner tube, the outside of telescopic link is located to the spring housing, the both ends of spring are fixed in the fixed block respectively.
Through adopting above-mentioned technical scheme, when this internal water pressure increase of pipeline, the water pressure increase that the inner tube of pipeline body received, spring and the telescopic link through slowly pressing the structure can effectively slow down the pressure of water to the inner tube of pipeline body, and then can prevent to cause the damage to the inner pipe wall of pipeline body when water pressure is too big, improve the life of pipeline body.
Optionally, the water pressure detection module includes a pressure sensor, the pressure sensor is installed on an inner pipe wall of the inner pipe, the pressure sensor is electrically connected to the regulating valve body, the pressure sensor is configured to detect water pressure applied to the inner pipe in real time and output a water pressure detection signal, and a protective sleeve is sleeved outside the pressure sensor.
Through adopting above-mentioned technical scheme, pressure sensor installs on the inner tube wall of inner tube, can the water pressure change condition of real-time detection inner tube, and pressure sensor is connected with the adjusting valve body electricity, can realize including intraductal water pressure start adjusting valve body when too big, adjusts the income water velocity of flow of inner tube, establishes the protective sheath at pressure sensor's outside cover, can improve pressure sensor's life, improves pressure sensor's practicality.
Optionally, pressure sensor includes force sensing resistor RS and first resistance R1, force sensing resistor RS and first resistance R1 establish ties, force sensing resistor RS's other end ground connection, first resistance R1's the other end is coupled in the power, force sensing resistor RS and first resistance R1's connected node is coupled in water pressure judgement module.
By adopting the technical scheme, when the water pressure in the inner pipe is too high, the water pressure borne by the pressure sensor is increased, the pressure borne by the force sensitive resistor RS is increased, the resistance value of the force sensitive resistor RS is increased, the voltage at two ends of the force sensitive resistor RS is increased, and the high level is output by the connection node of the force sensitive resistor RS and the first resistor R1; after the water pressure in the inner pipe is reduced, the pressure borne by the pressure sensor is reduced, the pressure borne by the force sensitive resistor RS is reduced, the resistance value of the force sensitive resistor RS is reduced, the voltages at the two ends of the force sensitive resistor RS are reduced, and the low level is output by the connection node of the force sensitive resistor RS and the first resistor R1, so that the water pressure detection function is realized.
Optionally, the water pressure determining module includes a comparator N1, a first input end of the comparator N1 is coupled to a connection node between the force sensitive resistor RS and the first resistor R1, a second input end of the comparator N1 is coupled to a second resistor R2, the other end of the second resistor R2 is coupled to a third resistor R3, the other end of the third resistor R3 is coupled to the threshold power source, a connection node between the third resistor R3 and the second resistor R2 is coupled to a fourth resistor R4, the other end of the fourth resistor R4 is grounded, and an output end of the comparator N1 is coupled to the control module.
Through adopting above-mentioned technical scheme, water pressure judgement module passes through comparator N1's first input end input pressure detection signal, water pressure threshold value is input to second input end through comparator N1, when the water pressure in the inner tube is too big, high level is input to comparator N1's first input end, the pressure detection signal that water pressure judgement module input is greater than the water pressure threshold value, the voltage of comparator N1's first input end input is greater than the voltage of comparator N1's second input end input, high level is output to comparator N1's output, water pressure judgement module output water pressure judgement signal to control module, realize water pressure judgement function.
Optionally, the control module includes an NPN-type triode Q1, a thyristor BCR and a first relay KM1, a base of the triode Q1 is coupled to an output end of the comparator N1, a collector of the triode Q1 is coupled to a power source after being connected in series with the first relay KM1, the first relay KM1 includes a normally open contact switch KM1-1, an emitter of the triode Q1 is grounded, a control end of the thyristor BCR is coupled to the emitter of the triode Q1, one end of the thyristor BCR is connected in series with the normally open contact switch KM1-1, and the other end of the normally open contact switch KM1-1 and the other end of the thyristor BCR are coupled to a power supply loop of the regulating valve body.
By adopting the technical scheme, when the control module inputs a water pressure judgment signal, the base of the NPN type triode Q1 inputs a high level, the triode Q1 is in a conducting state, the first relay KM1 is electrified, the thyristor BCR is conducted, the normally open contact switch KM1-1 is electrified in a closed state, a power supply loop of the regulating valve body is conducted, the regulating valve body is electrified and started, the regulating valve body regulates the flow rate of inflow water flowing into the pipeline body, and the function of controlling the starting of the regulating valve body is realized.
Optionally, the both ends of adjusting valve body are provided with the interface that communicates in the pipeline body, be provided with solid fixed ring on the interface, gu be provided with the fixing base on the fixed ring, the fixed orifices has been seted up on the fixing base, threaded connection has fixing bolt in the fixed orifices, fixing bolt runs through the fixed orifices, fixing bolt passes the one end of fixed orifices and is connected with the nut.
Through adopting above-mentioned technical scheme, with the interface connection of pipeline body and adjusting valve body, make the pipeline body tentatively with adjusting valve body fixed mounting through solid fixed ring, through solid fixed bolt and the nut on the solid fixed ring, make pipeline body more firm be connected with adjusting valve body, overall structure is stable, dismantles simple to operate, can realize fixed to the quick installation of pipeline body and adjusting valve body, improves adjusting valve body's steadiness.
Optionally, the fixing ring comprises an upper fixing ring and a lower fixing ring, the lower surface of one end of the upper fixing ring is provided with a clamping block, a clamping groove matched with the clamping block in a clamping mode is formed in the lower fixing ring, an elastic convex block is arranged on the inner side wall of the clamping groove, an annular groove is formed in the outer wall of the clamping block, and the elastic convex block abuts against the annular groove.
Through adopting above-mentioned technical scheme, through setting up joint piece and joint groove between last solid fixed ring and the lower fixing ring, the solid fixed ring of being convenient for is fixed fast accurately, has realized the accurate location installation of pipeline body and adjusting valve body, makes more firmly between pipeline body and the adjusting valve body, prevents the phenomenon of smooth silk.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when the pipeline body is used for draining water, water flows into an inner pipe of the pipeline body, an interlayer is arranged in the pipeline body, a pressure-relieving structure is arranged in the interlayer, the pipeline body can be effectively prevented from being damaged due to overlarge pressure of the water in the pipeline body, the flow speed of the water flowing into the pipeline body can be adjusted by the adjusting valve body, the pipeline of a hydropower station can be effectively prevented from being broken due to overlarge water pressure by adjusting the valve body and the pressure-relieving structure in the pipeline body, and the service life of the pipeline body is prolonged;
2. the water pressure detection circuit electrically connected with the valve body monitors the water pressure condition in the pipeline body in real time, when the water pressure in the pipeline body is increased, the pressure detection signal output by the water pressure detection module is increased, the pressure detection signal input by the water pressure judgment module is larger than the water pressure threshold value set by the water pressure judgment module, the water pressure judgment module outputs the water pressure judgment signal to the control module, when the control module receives the water pressure judgment signal, the control module outputs a control signal to the regulating valve body, the regulating valve body is powered on and started, and the regulating valve body can regulate the water flow rate according to the water pressure condition in the pipeline body in real time;
3. the pipeline body is connected with the interface of the adjusting valve body, the pipeline body is initially fixedly installed with the adjusting valve body through the fixing ring, and the pipeline body is more stably connected with the adjusting valve body through the fixing bolt and the fixing nut which are fixedly replaced, so that the whole structure is stable, the disassembly and the installation are convenient, the pipeline body and the adjusting valve body can be quickly installed and fixed, and the stability of the adjusting valve body is improved;
4. through set up joint piece and joint groove between last solid fixed ring and the solid fixed ring down, the solid fixed ring of being convenient for is fixed fast accurately, has realized the accurate location installation of pipeline body and adjusting valve body, makes more firmly between pipeline body and the adjusting valve body, prevents the phenomenon of smooth silk.
Drawings
Fig. 1 is a schematic structural diagram of a pressure-resistant pipeline for a hydropower station according to an embodiment of the present application.
Fig. 2 is a cross-sectional view of a pressure resistant conduit for a hydroelectric power station in accordance with an embodiment of the present application.
Fig. 3 is an enlarged view of a portion a of fig. 2 of a pressure resistant conduit for a hydropower station according to an embodiment of the present application.
Fig. 4 is an enlarged view of a portion B of a pressure resistant pipe for a hydropower station according to an embodiment of the present application in fig. 2.
Fig. 5 is a circuit diagram of a hydraulic pressure detection circuit of a pressure-resistant pipeline for a hydropower station according to an embodiment of the present application.
Description of reference numerals: 1. a pipe body; 2. a regulating valve body; 21. a fixing ring; 211. an upper fixing ring; 212. a lower fixing ring; 22. fixing the bolt; 23. a nut; 24. a fixed seat; 25. a clamping block; 251. an annular groove; 26. a clamping groove; 261. an elastic bump; 3. an outer tube; 4. an inner tube; 5. a pressure relief structure; 51. a fixed block; 52. a telescopic rod; 521. a shaft body; 522. a movable rod; 53. a spring; 6. a pressure sensor; 7. a water pressure detection module; 8. a water pressure judging module; 9. a control module; 10. and (6) a protective sleeve.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses a power station is with anti pressure pipeline. Referring to fig. 1 and 2, a pressure resistant pipeline for a hydropower station comprises a pipeline body 1 and an adjusting valve body 2, wherein the pipeline body 1 comprises an outer pipe 3 and an inner pipe 4, an interlayer is arranged between the outer pipe 3 and the inner pipe 4, and four pressure-relieving structures 5 are arranged in the interlayer. Regulating valve body 2 is provided with the interface that communicates in pipeline body 1, pipeline body 1 and regulating valve body 2's interface connection, regulating valve body 2 is used for adjusting the water velocity of flow in pipeline body 1, be provided with solid fixed ring 21 on the interface, one side arch of solid fixed ring 21 is provided with fixing base 24, two fixed orificess have been seted up on the fixing base 24, threaded connection has fixing bolt 22 in the fixed orificess, fixing bolt 22 runs through the fixed orifices, fixing bolt 22 passes the one end threaded connection of fixed orifices and has nut 23, it is concrete, fixing bolt 22 and nut 23 on the solid fixed ring 21, make pipeline body 1 more firm be connected with regulating valve body 2, overall structure is stable, dismantle simple to operate. Be provided with the joint subassembly in the solid fixed ring 21, the accurate location installation that the joint subassembly made pipeline body 1 and adjusting valve body 2 makes between pipeline body 1 and the adjusting valve body 2 more firm.
Referring to fig. 2 and 3, the pressure relief structure 5 includes a telescopic rod 52, a spring 53 and two fixed blocks 51, one fixed block 51 is disposed on the inner wall of the outer tube 3, the other fixed block 51 is disposed on the outer wall of the inner tube 4, the telescopic rod 52 includes a rod 521 and a movable rod 522, the movable rod 522 is movably connected to the rod 521, the rod 521 is fixedly mounted on the fixed block 51 on the inner wall of the outer tube 3, one end of the movable rod 522 away from the rod 521 is fixedly connected to the fixed block 51 on the outer wall of the inner tube 4, the spring 53 is sleeved outside the telescopic rod 52, and two ends of the spring 53 are respectively fixedly connected to the fixed blocks 51. Be provided with pressure sensor 6 on the pipe wall of inner tube 4, pressure sensor 6's outside cover is equipped with protective sheath 10, and pressure sensor 6 is connected with adjusting valve body 2 electricity, and pressure sensor 6 is used for the water pressure that real-time detection inner tube 4 received.
Referring to fig. 4, the fixing ring 21 includes an upper fixing ring 211 and a lower fixing ring 212, the clip assembly includes a clip block 25 and a clip groove 26, the clip block 25 is disposed on the upper fixing ring 211, the clip groove 26 is disposed on the lower fixing ring 212, an elastic bump 261 is disposed on an inner side wall of the clip groove 26, an annular groove 251 is disposed on an outer wall of the clip block 25, and the elastic bump 261 abuts against the annular groove 251.
Referring to fig. 5, the regulating valve body 2 is electrically connected with a water pressure detection circuit, a water pressure detection module 7, a water pressure judgment module 8 and a control module 9.
The output of water pressure detection module 7 is coupled in water pressure judgement module 8, and water pressure detection module 7 is used for detecting the water pressure that pipeline body 1 received and output pressure detection signal to water pressure judgement module 8. The water pressure detection module 7 comprises a pressure sensor 6, the pressure sensor 6 comprises a force sensitive resistor RS and a first resistor R1, the force sensitive resistor RS is connected with the first resistor R1 in series, the other end of the force sensitive resistor RS is grounded, the other end of the first resistor R1 is coupled to a power supply, and a connection node of the force sensitive resistor RS and the first resistor R1 is coupled to the water pressure judgment module 8.
Specifically, when the water pressure in the inner tube 4 is too high, the water pressure received by the pressure sensor 6 is increased, the pressure received by the force sensitive resistor RS is increased, the resistance value of the force sensitive resistor RS is increased, so that the voltages at the two ends of the force sensitive resistor RS are increased, and the connection node between the force sensitive resistor RS and the first resistor R1 outputs a high level; when the water pressure in the inner pipe 4 is reduced, the pressure applied to the pressure sensor 6 is reduced, the pressure applied to the force sensitive resistor RS is reduced, the resistance value of the force sensitive resistor RS is reduced, the voltage at two ends of the force sensitive resistor RS is reduced, and the connection node of the force sensitive resistor RS and the first resistor R1 outputs a low level.
The output of water pressure judging module 8 is coupled in control module 9, and water pressure judging module 8 is provided with the water pressure threshold value, and when the pressure detection signal that water pressure judging module 8 input was greater than the water pressure threshold value, water pressure judging module 8 output water pressure judging signal was to control module 9. The water pressure judging module 8 includes a comparator N1, a second resistor R2, a third resistor R3, and a fourth resistor R4. The first input end of the comparator N1 is a positive phase input end, the second input end of the comparator N1 is a negative phase input end, the positive phase input end of the comparator N1 is coupled to a connection node between the force sensing resistor RS and the first resistor R1, the negative phase input end of the comparator N1 is sequentially connected in series with the second resistor R2 and the third resistor R3, the other end of the third resistor R3 is coupled to the threshold power source VREF, the connection node between the third resistor R3 and the second resistor R2 is coupled to the fourth resistor R4, the other end of the fourth resistor R4 is grounded, and the output end of the comparator N1 is coupled to the control module 9.
Specifically, when the pressure detection signal input by the water pressure determination module 8 is increased, the positive input end of the comparator N1 inputs a high level, the voltage input by the positive input end of the comparator N1 is greater than the voltage input by the negative input end of the comparator N1, and the output end of the comparator N1 outputs a high level.
The output end of the control module 9 is coupled to the regulating valve body 2, and the control module 9 is used for outputting a control signal to regulate the valve body 2 when receiving the water pressure judging signal. Control module 9 includes NPN type triode Q1, thyristor BCR and first relay KM1, triode Q1's base is coupled in comparator N1's output, triode Q1's collecting electrode is coupled in series with first relay KM1 and is followed the power, triode Q1's projecting pole ground connection, first relay KM1 includes normally open contact switch KM1-1, thyristor BCR's control end is coupled in triode Q1's projecting pole, thyristor BCR's one end and normally open contact switch KM1-1 are established ties, normally open contact switch KM 1-1's the other end and thyristor BCR's the other end are coupled in the power supply loop of adjusting valve body 2.
Specifically, when the control module 9 inputs a water pressure judgment signal, a high level is input to the base of the NPN-type triode Q1, the triode Q1 is in a conduction state, the first relay KM1 is energized, the thyristor BCR is energized, the normally-open contact switch KM1-1 is energized in a closed state, the power supply loop of the regulating valve body 2 is energized, the regulating valve body 2 is energized and started, and the regulating valve body 2 regulates the flow rate of inlet water flowing into the pipeline body 1.
The implementation principle of the anti-pressure pipeline for the hydropower station in the embodiment of the application is as follows:
when the pipeline body 1 is used for draining water, water flows into the inner pipe 4 of the pipeline body 1, water can generate water pressure on the inner pipe 4 of the pipeline body 1, when the water flow in the pipeline body 1 is too large and the flow speed is too high, the pressure on the inner pipe 4 of the pipeline body 1 is increased, the spring 53 and the telescopic rod 52 of the pressure-relieving structure 5 can effectively relieve the pressure of the water on the inner pipe 4 of the pipeline body 1, further, the wall of the inner pipe 4 of the pipeline body 1 can be prevented from being damaged when the water pressure is too large, the pressure sensor 6 in the inner pipe 4 detects the water pressure change condition of the inner pipe 4 in real time, when the water pressure in the inner pipe 4 is too large, the water pressure borne by the pressure sensor 6 is increased, the pressure borne by the force-sensitive resistor RS of the water pressure detection module 7 is increased, the resistance value of the force-sensitive resistor RS is increased, and the voltage at two ends of the force-sensitive resistor RS is increased, the pressure detection signal input by the water pressure judging module 8 is increased, the normal phase input end of the comparator N1 inputs high level, the voltage input by the normal phase input end of the comparator N1 is greater than the voltage input by the reverse phase input end of the comparator N1, the output end of the comparator N1 outputs high level, the base electrode of the NPN type triode Q1 of the control module 9 inputs high level, the triode Q1 is in a conduction state, the first relay KM1 is electrified, the thyristor BCR is conducted, the normally open contact switch KM1-1 is electrified in a closed state, a power supply loop of the adjusting valve body 2 is conducted, the adjusting valve body 2 is electrified and started, the inflow flow rate of water flowing into the pipeline body 1 is adjusted, so that the water pressure of the inner pipe 4 is reduced, the pipeline of the hydropower station can be effectively prevented from being broken due to excessive water pressure, and the service life of the pipeline body 1 is prolonged.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. A pressure resistant conduit for a hydropower station, characterized by: the pipeline comprises a pipeline body (1), wherein the pipeline body (1) comprises an outer pipe (3) and an inner pipe (4), an interlayer is arranged between the outer pipe (3) and the inner pipe (4), a plurality of pressure-relieving structures (5) are arranged in the interlayer, the pressure-relieving structures (5) are used for protecting the pipeline body (1) from being broken due to overlarge water pressure, an adjusting valve body (2) is arranged on the pipeline body (1), the adjusting valve body (2) is electrically connected with a water pressure detection circuit, and the water pressure detection circuit comprises a water pressure detection module (7), a water pressure judgment module (8) and a control module (9);
the output end of the water pressure detection module (7) is coupled to the water pressure judgment module (8), and the water pressure detection module (7) is used for detecting the water pressure applied to the pipeline body (1) and outputting a pressure detection signal to the water pressure judgment module (8);
the output end of the water pressure judging module (8) is coupled to the control module (9), the water pressure judging module (8) is provided with a water pressure threshold value, and when a pressure detection signal input by the water pressure judging module (8) is greater than the water pressure threshold value, the water pressure judging module (8) outputs a water pressure judging signal to the control module (9);
the output end of the control module (9) is coupled to the regulating valve body (2), the control module (9) is used for outputting a control signal to regulate the valve body (2) when receiving a water pressure judgment signal, the regulating valve body (2) is electrified to be started, and the regulating valve body (2) is used for regulating the water inlet flow rate of the pipeline body (1).
2. A pressure resistant conduit for a hydroelectric power plant as claimed in claim 1, wherein: slowly press structure (5) including fixed block (51), telescopic link (52) and spring (53), fixed block (51) set up respectively on the inner wall of outer tube (3) and the outer wall of inner tube (4), telescopic link (52) include pole body (521) and movable rod (522), movable rod (522) swing joint is in pole body (521), pole body (521) are fixed on fixed block (51) of the inner wall of outer tube (3), the one end that pole body (521) were kept away from in movable rod (522) is fixed in on fixed block (51) of the outer wall of inner tube (4), the outside of telescopic link (52) is located in spring (53) cover, the both ends of spring (53) are fixed in fixed block (51) respectively.
3. A pressure resistant conduit for a hydroelectric power plant as claimed in claim 1, wherein: water pressure detection module (7) include pressure sensor (6), install on inner tube (4) wall of inner tube (4) pressure sensor (6), pressure sensor (6) are connected with adjusting valve body (2) electricity, pressure sensor (6) are used for the water pressure that real-time detection inner tube (4) received and output water pressure detection signal, the outside cover of pressure sensor (6) is equipped with protective sheath (10).
4. A pressure resistant conduit for a hydroelectric power plant as claimed in claim 3, wherein: pressure sensor (6) are including force sensing resistance RS and first resistance R1, force sensing resistance RS and first resistance R1 establish ties, force sensing resistance RS's other end ground connection, first resistance R1's the other end is coupled in the power, force sensing resistance RS and first resistance R1's connected node is coupled in water pressure judgement module (8).
5. A pipeline according to claim 4 characterised in that: the water pressure judging module (8) comprises a comparator N1, a first input end of the comparator N1 is coupled to a connection node of a force sensitive resistor RS and a first resistor R1, a second input end of the comparator N1 is coupled with a second resistor R2, the other end of the second resistor R2 is coupled with a third resistor R3, the other end of the third resistor R3 is coupled with a threshold power supply, a connection node of the third resistor R3 and the second resistor R2 is coupled with a fourth resistor R4, the other end of the fourth resistor R4 is grounded, and an output end of the comparator N1 is coupled with a control module (9).
6. A pressure resistant conduit for a hydroelectric power plant as claimed in claim 5, wherein: the control module (9) comprises an NPN type triode Q1, a thyristor BCR and a first relay KM1, wherein the base electrode of the triode Q1 is coupled to the output end of the comparator N1, the collector electrode of the triode Q1 is coupled to a power supply after being connected with the first relay KM1 in series, the first relay KM1 comprises a normally open contact switch KM1-1, the emitting electrode of the triode Q1 is grounded, the control end of the thyristor BCR is coupled to the emitting electrode of the triode Q1, one end of the thyristor BCR is connected with the normally open contact switch KM1-1 in series, and the other end of the normally open contact switch KM1-1 and the other end of the thyristor BCR are coupled to a power supply loop of the regulating valve body (2).
7. A pressure resistant conduit for a hydroelectric power plant as claimed in claim 1, wherein: the both ends of adjusting valve body (2) are provided with the interface that communicates in pipeline body (1), be provided with solid fixed ring (21) on the interface, gu be provided with fixing base (24) on fixed ring (21), the fixed orifices has been seted up on fixing base (24), threaded connection has fixing bolt (22) in the fixed orifices, fixing bolt (22) run through the fixed orifices, the one end that fixing bolt (22) passed fixed screw is connected with nut (23).
8. A pressure resistant conduit for a hydroelectric power plant as claimed in claim 7, wherein: fixed ring (21) including last fixed ring (211) and lower fixed ring (212), the lower surface of the one end of last fixed ring (211) is provided with joint piece (25), set up on lower fixed ring (212) with joint piece (25) joint complex joint groove (26), be provided with elastic convex block (261) on the inside wall of joint groove (26), annular groove (251) have been seted up on the outer wall of joint piece (25), elastic convex block (261) butt in annular groove (251).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222281737.8U CN218208386U (en) | 2022-08-26 | 2022-08-26 | Anti-pressure pipeline for hydropower station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222281737.8U CN218208386U (en) | 2022-08-26 | 2022-08-26 | Anti-pressure pipeline for hydropower station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218208386U true CN218208386U (en) | 2023-01-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222281737.8U Active CN218208386U (en) | 2022-08-26 | 2022-08-26 | Anti-pressure pipeline for hydropower station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218208386U (en) |
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2022
- 2022-08-26 CN CN202222281737.8U patent/CN218208386U/en active Active
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