CN115962289B - Self-generated power intelligent bidirectional metal self-pressing sealing butterfly valve and control system thereof - Google Patents
Self-generated power intelligent bidirectional metal self-pressing sealing butterfly valve and control system thereof Download PDFInfo
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- 238000003825 pressing Methods 0.000 title claims description 8
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Abstract
The invention provides a control system of an intelligent bidirectional metal self-pressure sealing butterfly valve with self-generated power, which comprises: a butterfly valve body; the electric actuator is connected with the butterfly valve body and is used for controlling the butterfly valve body and collecting temperature, flow and pressure information of a medium in the butterfly valve body; the cloud server is used for remotely controlling and monitoring the butterfly valve body; the client is electrically connected with the cloud server; the data transmission unit is electrically connected with the cloud server and the electric executing mechanism respectively so as to perform data interaction; and the power supply unit is connected with the electric executing mechanism and is used for providing electric energy for the electric executing mechanism. The invention realizes the operation and control of the non-electric valve at any time, realizes the intelligent on-site management of the pressure, the temperature, the flow and the pump of the surrounding medium and the like, and has reliable service performance and service life.
Description
Technical Field
The invention relates to the technical field of valves, in particular to an intelligent self-generated power bidirectional metal self-pressure sealing butterfly valve and a control system thereof.
Background
The butterfly valve is a control component in the fluid conveying pipeline system and is used for cutting off or regulating the flow; pipeline water delivery engineering is often limited by geographical conditions and engineering cost, a part of pipelines are in areas without power grid coverage or even network signals, valves cannot be electrically operated, manual operation is remote in distance, traffic is inconvenient, and the like, the working states of the pipelines and the valves cannot be remotely monitored, and once accidents occur, the accidents cannot be found in time and cannot be rapidly processed in time; the urban pipe network valve is inconvenient to pull the power cable due to factors such as electric safety and space environment, manual operation of the pipe network valve occupies most of the valves, remote control cannot be realized, time and labor are wasted, and operation is not timely.
With the continuous and rapid improvement of urban rate in China, urban development is in an increasing trend, the matched urban water supply network is also continuously expanded, the urban network is star-chess-laid, the valves are numerous and long in age, the surrounding environment is daily and moon, when the valves are required to be operated, the positions of the valves are not easy to be found accurately, and when the valves are required to be operated in an emergency, the emergency response is slow, the emergency response is not in time and the labor cost is high.
The urban water supply diversion valve is indistinct from our daily life, so important parts are often hidden in corners which cannot be seen by people, such as underground, field, mountain areas and the like, the damage of one valve can affect the water in a whole area, the environment and the position of the valve often increase the difficulty of maintenance, and the valve is required to be safe and reliable, long in service life, durable and maintenance-free.
The medium flow state in the pipe network is complex, and the working conditions of the urban water supply pipe network, the double-line water diversion and the like require a butterfly valve with reliable forward and reverse bidirectional sealing, aging resistance, scouring resistance, scratch resistance, corrosion resistance, maintenance resistance and long service life. The valve markets at home and abroad are mostly rubber sealing butterfly valves, the sealing principle of the rubber sealing butterfly valves is to expand rubber by means of external force to compensate the gap generated by bearing pressure displacement of the butterfly valve, so that the surface tension is large, the rubber sealing ring is easy to age and crack, easy to scratch and tear, the service life and reliability are generally poor, the industry and the industry are strive to improve, such as developing a multi-level three-eccentric butterfly valve and the like, but the two-way sealing performance is poor, secondary pollution to media, no self-cleaning function and the like are caused, and the requirements of two-way pressure, long service life and high reliability of urban water supply and drainage cannot be met.
Disclosure of Invention
In view of the above, the present invention provides an intelligent self-powered bi-directional metal self-pressure sealing butterfly valve and a control system thereof, which aims to solve the above-mentioned disadvantages.
In one aspect, the invention provides a control system of an intelligent self-generated power bidirectional metal self-pressure sealing butterfly valve, which comprises:
a butterfly valve body;
the electric actuator is connected with the butterfly valve body and is used for controlling the butterfly valve body and collecting temperature, flow and pressure information of a medium in the butterfly valve body;
the cloud server is used for remotely controlling and monitoring the butterfly valve body;
the client is electrically connected with the cloud server;
the data transmission unit is electrically connected with the cloud server and the electric executing mechanism respectively so as to perform data interaction;
and the power supply unit is connected with the electric executing mechanism and is used for providing electric energy for the electric executing mechanism.
Further, the power supply unit comprises a wind power generation module, a solar photovoltaic power generation module, a battery pack energy storage module, a wind-solar complementary controller and a battery management module network monitoring camera;
the network monitoring camera is electrically connected with the server and is used for remotely monitoring the power supply unit.
Further, the butterfly valve body comprises a valve body and a butterfly plate, the butterfly plate is rotatably arranged in the valve body, the electric actuating mechanism is connected with the butterfly plate, and the electric actuating mechanism is used for driving the butterfly plate to rotate in the valve body; wherein,
the butterfly plate is characterized in that a butterfly plate sealing seat is sleeved on the side wall of the butterfly plate, a stainless steel metal sealing ring is embedded on the inner side wall of the valve body, the butterfly plate sealing seat is arranged opposite to the stainless steel metal sealing ring, and the butterfly plate sealing seat is in contact with the stainless steel metal sealing ring after the butterfly plate rotates so as to seal the contact position of the butterfly plate and the inner side wall of the valve body; wherein,
the stainless steel metal sealing ring is positioned on one side of the butterfly plate, which is close to the reverse pressure medium of the valve body, and is obliquely arranged from one side of the reverse pressure medium of the butterfly plate to one side of the forward pressure medium, so that the distance between one end of the stainless steel metal sealing ring, which is positioned on the reverse pressure medium, and the center of the butterfly plate is smaller than the distance between one end of the stainless steel metal sealing ring, which is positioned on the forward pressure medium, and the center of the butterfly plate.
Further, a groove is formed in the inner side wall of the valve body, and the stainless steel metal sealing ring is clamped in the groove;
an O-shaped ring is arranged between the stainless steel metal sealing ring and the inner bottom surface of the groove;
further, a gland is arranged on the inner side wall of the valve body and is arranged on one side of a reverse pressure medium of the valve body;
the gland is inserted into the end part in the valve body and the groove is formed between the inner side wall of the valve body.
Further, a pressure sensor, a temperature sensor, a liquid level sensor and a flow sensor are arranged on the butterfly valve body, the pressure sensor is used for collecting pressure information of the medium in the butterfly valve body, the temperature sensor is used for collecting temperature information of the medium in the butterfly valve body, the flow sensor is used for collecting flow information of the medium in the butterfly valve body, and the liquid level sensor is used for collecting liquid level information of the medium in the butterfly valve body.
Further, the electric actuating mechanism comprises a direct current power-on module, a control module and a reduction gearbox,
the butterfly plate is connected with the valve body through an upper valve shaft and a lower valve shaft respectively, so that the butterfly plate rotates in the valve body, and the reduction gearbox is connected with the upper valve shaft to drive the butterfly plate to rotate; the direct current electric installation module is connected with the reduction gearbox to drive the reduction gearbox to move; the control module is used for controlling the direct current power-on module to output power.
Further, a plurality of driving parts uniformly penetrate through the inner side wall of the valve body, and the driving end of each driving part is contacted with the end part of the stainless steel metal sealing ring, which is close to one side of the reverse pressure medium of the butterfly plate;
the driving part is electrically connected with the control module, and the control module is also used for controlling the action of the driving part and acquiring pressure data fed back by the driving part.
Further, the control module is also electrically connected with the temperature sensor, the liquid level sensor and the flow sensor to acquire pressure information, temperature information, flow information and liquid level information;
the control module is used for monitoring a forward pressure medium real-time pressure value delta P of one side of the forward pressure medium of the butterfly plate in real time, and driving the driving part to act when the forward pressure medium real-time pressure value delta P is larger than or equal to a forward pressure medium pressure threshold value P0;
the control module is also used for determining the expansion stroke of the driving part according to the difference value between the real-time pressure value delta P of the forward pressure medium and the pressure threshold value P0 of the forward pressure medium when the driving part is driven to act, and adjusting the expansion stroke of the driving part according to the pressure value fed back by the driving part after determining the expansion stroke of the driving part.
On the other hand, the invention also provides a self-powered intelligent bidirectional metal self-pressing sealing butterfly valve, which is applied to a control system of the self-powered intelligent bidirectional metal self-pressing sealing butterfly valve and comprises a butterfly valve body, a reduction gearbox and an electric executing mechanism;
the butterfly valve body comprises a valve body, a packing, an upper shaft sleeve, a valve body, an upper shaft sleeve, a pin shaft, a butterfly plate, a lower shaft sleeve, a gland, a screw, a first O-shaped ring, a stainless steel metal sealing ring, a lower shaft sleeve, a second O-shaped ring, a thrust pad and a rear end cover, wherein the butterfly plate is arranged in the valve body, the upper shaft sleeve and the lower shaft sleeve are respectively arranged on two opposite sides of the butterfly plate, the upper shaft sleeve is penetrated on the side wall of one side of the valve body, the upper shaft sleeve is penetrated in the upper shaft sleeve, the lower shaft sleeve is penetrated on the side wall of the other side of the valve body, the lower shaft sleeve is penetrated in the lower shaft sleeve, a rear end cover is arranged on the outer side wall of one side of the valve body, the rear end cover is sleeved with a second O-shaped ring, the inner wall of the rear end cover is provided with the thrust pad, the rear end cover is fixed on the outer side wall of the valve body through bolts, the rear end cover is used for fixing the lower shaft sleeve and the lower shaft sleeve on the side wall of the valve body, the upper shaft sleeve and the lower shaft sleeve are respectively connected with the valve body through the pin shaft sleeve, the upper shaft sleeve and the upper shaft sleeve is penetrated in the side wall of the side of the valve body, the lower shaft sleeve is penetrated in the groove is arranged on the opposite side of the valve body, the inner side of the valve body is opposite to the inner side of the valve body, the inner side of the valve body is opposite to the valve body, the inner side of the valve body is provided with a stainless steel sealing ring, the seal seat is arranged on the inner side of the valve body, and the inner side of the valve body is opposite to the side of the valve body, a first O-shaped ring is arranged between the stainless steel metal sealing ring and the inner bottom surface of the groove;
the speed reduction box is connected with the upper valve shaft so as to drive the butterfly plate to rotate;
the electric actuating mechanism is connected with the reduction gearbox, and the electric actuating mechanism is used for controlling the action of the reduction gearbox.
The self-powered intelligent bidirectional metal self-pressure sealing butterfly valve has the beneficial effects that the self-powered intelligent bidirectional metal self-pressure sealing butterfly valve realizes forward and reverse self-sealing through the pressure of a medium, the higher the pressure is, the better the sealing performance is, the sealing pair is formed by sealing stainless steel to stainless steel metal, the ageing resistance, the scouring resistance, the scratch resistance and the corrosion resistance are realized, the sealing pair adopts a ball surface line sealing structure, the friction of the sealing pair is small, and the opening and the closing are light and flexible. And the sealing pair has a self-cleaning function, the sealing surface is automatically cleaned once every time the valve is opened and closed, impurities on the surface are scraped automatically, and the service life and the reliability of the valve are greatly improved.
The intelligent on-site management of the Internet is realized by fully absorbing technologies such as the Internet of things, new energy, sensors, valve electric actuators and the like and combining with a valve structure, so that the operation of the non-electric valve can be observed and controlled at any time, the intelligent on-site management of the pressure, the temperature, the flow, the pumps and the like of surrounding media can be realized, the product is environment-friendly and intelligent, and the intelligent on-site management system has complete and reliable service performance and service life and helps intelligent water service.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:
FIG. 1 is a schematic diagram of a control system of a self-generated power intelligent bidirectional metal self-pressure sealing butterfly valve according to an embodiment of the invention;
FIG. 2 is a schematic diagram of a self-generated power intelligent bidirectional metal self-pressure sealing butterfly valve according to an embodiment of the invention;
FIG. 3 is a partially enlarged first schematic illustration of the structure shown at I in FIG. 2;
fig. 4 is a partially enlarged second structural schematic diagram at I in fig. 2.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other. The invention will be described in detail below with reference to the drawings in connection with embodiments.
Referring to fig. 1, the invention provides a control system of an intelligent self-generated power bidirectional metal self-pressing sealing butterfly valve, which comprises:
a butterfly valve body;
the electric actuator is connected with the butterfly valve body and is used for controlling the butterfly valve body and collecting temperature, flow and pressure information of a medium in the butterfly valve body;
the cloud server is used for remotely controlling and monitoring the butterfly valve body;
the client is electrically connected with the cloud server;
the data transmission unit is electrically connected with the cloud server and the electric executing mechanism respectively so as to perform data interaction;
and the power supply unit is connected with the electric executing mechanism and is used for providing electric energy for the electric executing mechanism.
Specifically, the power supply unit comprises a wind power generation module, a solar photovoltaic power generation module, a battery pack energy storage module, a wind-solar complementary controller and a battery management module network monitoring camera;
the network monitoring camera is electrically connected with the server and is used for remotely monitoring the power supply unit.
Specifically, the power supply unit is preferably a wind-solar complementary direct current power generation system, and the wind-solar complementary direct current power generation system mainly comprises a wind power generation part, a solar photovoltaic power generation part, a vertical rod, a battery pack energy storage part, a wind-solar complementary controller, a battery management system and the like, and can be provided with a network monitoring camera.
Specifically, the electric actuator is preferably a direct-current intelligent electric actuator, and the direct-current intelligent electric actuator has the function of the internet of things. The direct current intelligent electric actuator mainly comprises a direct current device, an intelligent module, a reduction gearbox and the like. The electric control part is provided with a plurality of functions such as local control, remote control, signal display and the like, and can carry out remote and on-site manual control on the opening and closing of the valve. The intelligent valve can be used for realizing intelligent on-site management of the internet on the pressure, the temperature, the flow and the pump of the peripheral medium, and the opening of the valve can be regulated in a time-sharing manner according to the needs.
Specifically, the butterfly valve body comprises a valve body and a butterfly plate, the butterfly plate is rotatably arranged in the valve body, the electric actuating mechanism is connected with the butterfly plate, and the electric actuating mechanism is used for driving the butterfly plate to rotate in the valve body; wherein,
the butterfly plate is characterized in that a butterfly plate sealing seat is sleeved on the side wall of the butterfly plate, a stainless steel metal sealing ring is embedded on the inner side wall of the valve body, the butterfly plate sealing seat is arranged opposite to the stainless steel metal sealing ring, and the butterfly plate sealing seat is in contact with the stainless steel metal sealing ring after the butterfly plate rotates so as to seal the contact position of the butterfly plate and the inner side wall of the valve body; wherein,
the stainless steel metal sealing ring is positioned on one side of the butterfly plate, which is close to the reverse pressure medium of the valve body, and is obliquely arranged from one side of the reverse pressure medium of the butterfly plate to one side of the forward pressure medium, so that the distance between one end of the stainless steel metal sealing ring, which is positioned on the reverse pressure medium, and the center of the butterfly plate is smaller than the distance between one end of the stainless steel metal sealing ring, which is positioned on the forward pressure medium, and the center of the butterfly plate.
Specifically, a groove is formed in the inner side wall of the valve body, and the stainless steel metal sealing ring is clamped in the groove;
an O-shaped ring is arranged between the stainless steel metal sealing ring and the inner bottom surface of the groove;
specifically, a gland is arranged on the inner side wall of the valve body and is arranged on one side of a reverse pressure medium of the valve body;
the gland is inserted into the end part in the valve body and the groove is formed between the inner side wall of the valve body.
Specifically, install pressure sensor, temperature sensor, level sensor and flow sensor on the butterfly valve body, pressure sensor is used for gathering the pressure information of medium in the butterfly valve body, temperature sensor is used for gathering the temperature information of medium in the butterfly valve body, flow sensor is used for gathering the flow information of medium in the butterfly valve body, level sensor is used for gathering the liquid level information of medium in the butterfly valve body.
Specifically, the electric actuating mechanism comprises a direct current assembly module, a control module and a reduction gearbox, wherein the butterfly plate is connected with the valve body through an upper valve shaft and a lower valve shaft respectively, so that the butterfly plate rotates in the valve body, and the reduction gearbox is connected with the upper valve shaft to drive the butterfly plate to rotate; the direct current electric installation module is connected with the reduction gearbox to drive the reduction gearbox to move; the control module is used for controlling the direct current power-on module to output power.
Specifically, a plurality of driving parts uniformly penetrate through the inner side wall of the valve body, and the driving ends of the driving parts are contacted with the end part of the stainless steel metal sealing ring, which is close to one side of the reverse pressure medium of the butterfly plate.
Specifically, the driving part is electrically connected with the control module, and the control module is also used for controlling the action of the driving part and acquiring pressure data fed back by the driving part.
Specifically, the control module is further electrically connected with the temperature sensor, the liquid level sensor and the flow sensor to obtain pressure information, temperature information, flow information and liquid level information;
the control module is used for monitoring a forward pressure medium real-time pressure value delta P of one side of the forward pressure medium of the butterfly plate in real time, and driving the driving part to act when the forward pressure medium real-time pressure value delta P is larger than or equal to a forward pressure medium pressure threshold value P0;
the control module is also used for determining the expansion stroke of the driving part according to the difference value between the real-time pressure value delta P of the forward pressure medium and the pressure threshold value P0 of the forward pressure medium when the driving part is driven to act, and adjusting the expansion stroke of the driving part according to the pressure value fed back by the driving part after determining the expansion stroke of the driving part.
Specifically, the driving unit is set to an initial state when it is not in operation, and the expansion stroke of the driving unit is set to 0.
Specifically, the control module is further configured to set a first preset pressure difference a1, a second preset pressure difference a2, a third preset pressure difference a3, and a fourth preset pressure difference a4, where a1 is greater than a2 and less than a3 is greater than a4; the control module is also used for setting a first preset telescopic stroke B1, a second preset telescopic stroke B2, a third preset telescopic stroke B3 and a fourth preset telescopic stroke B4, wherein the telescopic stroke value of the B1 is more than 0 and less than 2 and less than 3 and less than 4, and is the telescopic stroke value of the driving part when the driving end of the driving part drives the stainless steel metal sealing ring to be in close contact with the butterfly plate sealing seat.
Specifically, the control module is further configured to set the expansion stroke of the driving portion according to a relationship between a difference value between Δp and P0 and each preset pressure difference value when determining the expansion stroke of the driving portion according to a difference value between a forward pressure medium real-time pressure value Δp and a forward pressure medium pressure threshold value P0:
when delta P-P0 is less than a1, selecting a fourth preset telescopic stroke B4 as a telescopic stroke of the driving part;
when a1 is less than or equal to delta P-P0 and less than a2, selecting a third preset telescopic stroke B3 as a telescopic stroke of the driving part;
when a2 is less than or equal to delta P-P0 and less than a3, selecting a second preset telescopic stroke B2 as a telescopic stroke of the driving part;
when a3 is less than or equal to delta P-P0 and less than a4, the first preset telescopic stroke B1 is selected as the telescopic stroke of the driving part.
The telescopic stroke of the driving part is determined according to the difference value between the real-time pressure value delta P of the forward pressure medium and the pressure threshold value P0 of the forward pressure medium, so that the sealing state of the stainless steel metal sealing ring can be effectively adjusted according to the pressure of the medium, and the sealing performance can be effectively improved.
Specifically, the control module is further configured to set a first preset pressure output value L1, a second preset pressure output value L2, a third preset pressure output value L3, and a fourth preset pressure output value L4, where L1 is greater than L2 and less than L3 and less than L4; the control module is further configured to set a first preset pressure feedback value K1, a second preset pressure feedback value K2, a third preset pressure feedback value K3, and a fourth preset pressure feedback value K4, where K0 is greater than K1 and less than K2 and less than K3 and less than K4, and K0 is a pressure feedback value when the telescopic stroke of the driving portion is the first preset telescopic stroke B1.
Specifically, the control module is further configured to adjust the driven output pressure value after selecting the i-th preset expansion stroke Bi as the expansion stroke of the driving portion, where i=1, 2,3, 4.
The control module is further used for acquiring a real-time pressure feedback value delta K of the driving part in real time, and setting a pressure output value of the driving part according to the relation between the real-time pressure feedback value delta K and each preset pressure feedback value:
when delta K is less than K1, selecting a first preset pressure output value L1 as a pressure output value of the driving part;
when K1 is less than or equal to delta K and less than K2, selecting a second preset pressure output value L2 as a pressure output value of the driving part;
when K2 is less than or equal to delta K and less than K3, selecting a third preset pressure output value L3 as a pressure output value of the driving part;
when K3 is less than or equal to delta K and less than K4, the fourth preset pressure output value L4 is selected as the pressure output value of the driving part.
When the i-th preset expansion stroke Bi is selected as the expansion stroke of the driving part and the i-th preset pressure output value Li is selected as the pressure output value of the driving part, the output pressure value when the expansion stroke of the driving part is Bi is set as Li.
Specifically, the control module is further configured to set a first preset reference pressure value L01, a second preset reference pressure value L02, a third preset reference pressure value L03, and a fourth preset reference pressure value L04, where L01 is greater than L02 and less than L03 is greater than L04; the control module is also used for setting a first preset stroke adjustment coefficient b1, a second preset stroke adjustment coefficient b2, a third preset stroke adjustment coefficient b3 and a fourth preset stroke adjustment coefficient b4, and b1 is more than 1 and less than 2 and b3 is more than 1.2 and less than 4 and less than 1.2.
Specifically, the control module is further configured to adjust the expansion stroke of the driving portion according to a relationship between the set i-th preset pressure output value Li and each preset reference pressure value when the output pressure value when the expansion stroke of the driving portion is Bi is set to be Li:
when Li is smaller than L01, selecting the first preset stroke adjustment coefficient b1 to adjust the telescopic stroke of the driving part, wherein the adjusted telescopic stroke is Bi x b1;
when L01 is less than or equal to Li and less than L02, selecting the second preset stroke adjustment coefficient b2 to adjust the telescopic stroke of the driving part, wherein the adjusted telescopic stroke is Bi x b2;
when L02 is less than or equal to Li and less than L03, selecting the third preset stroke adjustment coefficient b3 to adjust the telescopic stroke of the driving part, wherein the adjusted telescopic stroke is Bi x b3;
and when L03 is less than or equal to Li and less than L04, selecting the fourth preset stroke adjustment coefficient b4 to adjust the telescopic stroke of the driving part, wherein the adjusted telescopic stroke is Bi x b4.
It can be seen that when the output pressure value when the expansion stroke of the driving part is Bi is set to be Li, the expansion stroke of the driving part is adjusted according to the relationship between the set i-th preset pressure output value Li and each preset reference pressure value, the expansion stroke of the driving part can be effectively adjusted in time according to the output pressure value of the driving part, the control efficiency of the driving part can be effectively improved, and meanwhile, the sealing performance between the stainless steel metal sealing ring and the butterfly plate sealing seat can be effectively ensured.
Specifically, when the control module acquires pressure information, temperature information and flow information of a medium in the butterfly valve body, the control module acquires a real-time pressure value DeltaR, a real-time temperature value DeltaT and a real-time flow value DeltaM of the medium in real time.
Specifically, the control module is further configured to set a first preset medium pressure value R1, a second preset medium pressure value R2, a third preset medium pressure value R3, and a fourth preset medium pressure value R4, where R1 is greater than R2 and less than R3 and less than R4; the first preset pressure regulating coefficient c1, the second preset pressure regulating coefficient c2, the third preset pressure regulating coefficient c3 and the fourth preset pressure regulating coefficient c4 are also set, and the ratio of c1 to c2 to c3 to c4 is more than 1.2.
Specifically, the control module is further configured to select, after selecting the ith preset pressure output value Li as the pressure output value of the driving portion, the ith preset pressure output value Li according to a relationship between the real-time pressure value Δr of the medium and each preset medium pressure value, and adjust the value:
when R1 < [ delta ] R is less than or equal to R2, selecting a first preset pressure regulating coefficient c1 to regulate an ith preset pressure output value Li, and taking the regulated pressure output value Li x c1 as a pressure output value of the driving part;
when R2 < [ delta ] R is less than or equal to R3, selecting a second preset pressure regulating coefficient c2 to regulate an ith preset pressure output value Li, and taking the regulated pressure output value Li x c2 as a pressure output value of the driving part;
when R3 < [ delta ] R is less than or equal to R4, selecting a third preset pressure regulating coefficient c3 to regulate the ith preset pressure output value Li, and taking the regulated pressure output value Li x c3 as the pressure output value of the driving part;
when R4 < [ delta ] R, the fourth preset pressure regulating coefficient c4 is selected to regulate the ith preset pressure output value Li, and the regulated pressure output value Li x c4 is taken as the pressure output value of the driving part.
After the ith preset pressure adjustment coefficient ci is selected to adjust the ith preset pressure output value Li, i=1, 2,3,4, and the adjusted pressure output value li×ci is used as the pressure output value of the driving part, the expansion stroke of the driving part can be adjusted according to the adjusted pressure output value li×ci.
Specifically, the control module is further configured to set a first preset medium temperature value T1, a second preset medium temperature value T2, a third preset medium temperature value T3, and a fourth preset medium temperature value T4, where T1 is greater than T2 and less than T3 and less than T4; the first preset pressure compensation coefficient d1, the second preset pressure compensation coefficient d2, the third preset pressure compensation coefficient d3 and the fourth preset pressure compensation coefficient d4 are also set, and d1 is more than 1 and d2 is more than 3 and d4 is more than 1.2.
Specifically, the control module is further configured to, after selecting the ith preset pressure adjustment coefficient ci to adjust the ith preset pressure output value Li, take the adjusted pressure output value li×ci as the pressure output value of the driving portion, compensate the adjusted pressure output value li×ci according to the relationship between the real-time temperature value Δt of the medium and each preset temperature:
when T1 < DELTAT is less than or equal to T2, selecting a fourth preset pressure compensation coefficient d4 to compensate the regulated pressure output value Li x ci, wherein the compensated pressure output value is Li x ci d4;
when T2 < DELTAT is less than or equal to T3, selecting a third preset pressure compensation coefficient d3 to compensate the regulated pressure output value Li x ci, wherein the compensated pressure output value is Li x ci d3;
when T3 < DELTAT is less than or equal to T4, selecting a second preset pressure compensation coefficient d2 to compensate the regulated pressure output value Li x ci, wherein the compensated pressure output value is Li x ci d2;
when T4 < DELTAT, selecting a first preset pressure compensation coefficient d1 to compensate the regulated pressure output value Li x ci, wherein the compensated pressure output value is Li x ci d1;
after the i-th preset pressure compensation coefficient di is selected to compensate the regulated pressure output value Li, i=1, 2,3,4, and the compensated pressure output value Li, ci is taken as the pressure output value of the driving part, the telescopic stroke of the driving part can be regulated according to the compensated pressure output value Li, ci.
It can be seen that, by compensating the adjusted pressure output value li×ci according to the relationship between the real-time temperature value Δt of the medium and each preset temperature, the pressure output value of the driving portion can be properly reduced at this time due to the expansion of the metal after the temperature rise, so that the sealing performance can still be ensured, and meanwhile, the energy consumption of the driving portion can be reduced, and the sealing performance of the butterfly valve body is ensured while the energy is also saved.
Specifically, the control module is further configured to adjust the telescopic stroke of the driving portion by selecting the i-th preset stroke adjustment coefficient Bi, and after i=1, 2,3,4, the adjusted telescopic stroke is set to bi×bi, and then compensate the adjusted telescopic stroke bi×bi.
Specifically, the control module is further configured to set a first preset media flow value M1, a second preset media flow value M2, a third preset media flow value M3, and a fourth preset media flow value M4, where M1 is greater than M2 and less than M3 and less than M4; the first preset stroke compensation coefficient e1, the second preset stroke compensation coefficient e2, the third preset stroke compensation coefficient e3 and the fourth preset stroke compensation coefficient e4 are also set, and the value of e1 is more than 1 and less than 2 and the value of e3 and less than 4 and less than 1.2.
Specifically, the control module is further configured to compensate the expansion stroke adjusted by the driving portion according to the relationship between the real-time flow value Δm and each preset flow value:
when M1 < [ delta ] M is less than or equal to M2, selecting a first preset stroke compensation coefficient e1 to compensate the adjusted telescopic stroke Bi [ Bi ] [ e1 ];
when M2 < [ delta ] M is less than or equal to M3, selecting a second preset stroke compensation coefficient e2 to compensate the adjusted telescopic stroke Bi [ Bi ] [ e2 ];
when M3 < [ delta ] M is less than or equal to M4, selecting a third preset stroke compensation coefficient e3 to compensate the adjusted telescopic stroke Bi [ Bi ] [ e3 ];
when M4 < [ delta ] M, a fourth preset stroke compensation coefficient e4 is selected to compensate the adjusted telescopic stroke Bi [ Bi ] [ e4 ] for the telescopic stroke.
The telescopic travel of the driving part after adjustment is compensated according to the relation between the real-time flow value delta M and each preset flow value, and the telescopic travel of the driving part can be timely adjusted when the flow of the medium changes, so that the telescopic travel of the driving part can be lengthened or shortened in real time according to the change of the flow of the medium, and the telescopic travel can be improved when the flow of the medium is large, so that the sealing strength is ensured, and the sealing performance is improved.
Referring to fig. 2-3, the embodiment of the invention further provides a self-powered intelligent bidirectional metal self-pressure sealing butterfly valve, which is applied to the control system of the self-powered intelligent bidirectional metal self-pressure sealing butterfly valve and comprises a butterfly valve body, a reduction gearbox 1 and an electric executing mechanism.
The butterfly valve body comprises a packing 2, an upper shaft sleeve 3, a valve body 4, an upper valve shaft 5, a pin shaft 6, a butterfly plate 7, a lower valve shaft 8, a gland 9, a screw 10, a first O-shaped ring 11, a stainless steel metal sealing ring 12, a lower shaft sleeve 13, a second O-shaped ring 14, a thrust pad 15 and a rear end cover 16, wherein the butterfly plate 7 is arranged in the valve body 4, the upper valve shaft 5 and the lower valve shaft 8 are respectively arranged on two opposite sides of the butterfly plate 7, the upper shaft sleeve 3 is penetrated on one side wall of the valve body 4, the upper valve shaft 5 is penetrated in the upper shaft sleeve 3, the lower shaft sleeve 13 is penetrated on the side wall of the other side of the valve body 4, the lower valve shaft 8 is penetrated in the lower shaft sleeve 13, a rear end cover 16 is arranged on the outer side wall of one side of the valve body 4, the rear end cover 16 is sleeved with the second O-shaped ring 14, the thrust pad 15 is arranged on the inner wall of the rear end cover 16, the rear end cover 16 is fixed on the outer side wall of the valve body 4 through a bolt 17, the lower valve shaft 8 and the valve shaft 9 are arranged on the opposite sides of the valve body 4, the valve shaft sleeve 8 and the valve shaft 9 are fixed on the other side wall of the valve body 4 through the opposite sides of the valve shaft sleeve 9, the valve body 9 is arranged on the side of the valve body 4, the valve body is fixed with the valve shaft sleeve 9, the valve body 9 is arranged on the side of the valve body 4 and the side of the valve body 4, the sealing plate is opposite to the side of the valve body 9 through the sealing cover 9, and the valve shaft 9 is arranged on the side of the valve shaft 9, a groove is formed between the end part of the gland 9 inserted into the valve body 4 and the inner side wall of the valve body 4, the stainless steel metal sealing ring 12 is clamped in the groove, and a first O-shaped ring 11 is arranged between the stainless steel metal sealing ring 12 and the inner bottom surface of the groove.
Specifically, the reduction gearbox is connected with the upper valve shaft 5 to drive the butterfly plate 7 to rotate; the electric actuating mechanism is connected with the reduction gearbox 1 and is used for controlling the action of the reduction gearbox.
Specifically, as shown in fig. 4, in the above embodiment, when the driving portion 18 is mounted, the outer side wall of the lower sleeve 13 is provided with a groove 131, and the driving portion 18 is fitted into the groove 131. The driving end 181 of the driving part 18 passes through the inner side wall of the lower shaft sleeve 13 to be in contact with the stainless steel metal sealing ring 12, so that the stainless steel metal sealing ring 12 is driven to move through the driving end 181 of the driving part 18.
Specifically, the driving portion 18 seals the inside of the groove 131 when mounted.
Specifically, the driving unit 18 is preferably an electric cylinder.
In the embodiment, the self-generated power intelligent bidirectional metal self-pressure sealing butterfly valve realizes forward and reverse bidirectional self-sealing through the pressure of the medium, the higher the pressure is, the better the sealing performance is, the sealing pair is formed by sealing stainless steel to stainless steel metal, and the sealing pair has the advantages of ageing resistance, scouring resistance, abrasion resistance, corrosion resistance and light and flexible opening and closing, and adopts a ball surface line sealing structure. And the sealing pair has a self-cleaning function, the sealing surface is automatically cleaned once every time the valve is opened and closed, impurities on the surface are scraped automatically, and the service life and the reliability of the valve are greatly improved.
In the embodiment, through fully absorbing technologies such as the fusion internet of things, new energy, a sensor, a valve electric actuator and the like, the valve structure is combined, so that the operation of the non-electric valve is observed and controlled at any time, the intelligent on-site management of the Internet is realized on the pressure, the temperature, the flow, the pump and the like of surrounding media, the product is green and environment-friendly and intelligent, the service performance and the service life are complete and reliable, and the intelligent water service is assisted.
It will be appreciated by those skilled in the art that embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
Finally, it should be noted that: the above embodiments are only for illustrating the technical aspects of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the above embodiments, it should be understood by those of ordinary skill in the art that: modifications and equivalents may be made to the specific embodiments of the invention without departing from the spirit and scope of the invention, which is intended to be covered by the claims.
Claims (4)
1. A control system of an intelligent two-way metal self-pressing sealing butterfly valve of autogenous power, which is characterized by comprising:
a butterfly valve body;
the electric actuator is connected with the butterfly valve body and is used for controlling the butterfly valve body and collecting temperature, flow and pressure information of a medium in the butterfly valve body;
the cloud server is used for remotely controlling and monitoring the butterfly valve body;
the client is electrically connected with the cloud server;
the data transmission unit is electrically connected with the cloud server and the electric executing mechanism respectively so as to perform data interaction;
the power supply unit is connected with the electric executing mechanism and is used for providing electric energy for the electric executing mechanism;
the butterfly valve body comprises a valve body and a butterfly plate, the butterfly plate is rotatably arranged in the valve body, the electric actuating mechanism is connected with the butterfly plate, and the electric actuating mechanism is used for driving the butterfly plate to rotate in the valve body; wherein,
the butterfly plate is characterized in that a butterfly plate sealing seat is sleeved on the side wall of the butterfly plate, a stainless steel metal sealing ring is embedded on the inner side wall of the valve body, the butterfly plate sealing seat is arranged opposite to the stainless steel metal sealing ring, and the butterfly plate sealing seat is in contact with the stainless steel metal sealing ring after the butterfly plate rotates so as to seal the contact position of the butterfly plate and the inner side wall of the valve body; wherein,
the stainless steel metal sealing ring is positioned on one side of the butterfly plate, which is close to the reverse pressure medium of the valve body, and is obliquely arranged from one side of the reverse pressure medium of the butterfly plate to one side of the forward pressure medium, so that the distance between one end of the stainless steel metal sealing ring, which is positioned on the reverse pressure medium, and the center of the butterfly plate is smaller than the distance between one end of the stainless steel metal sealing ring, which is positioned on the forward pressure medium, and the center of the butterfly plate;
the butterfly valve body is provided with a pressure sensor, a temperature sensor, a liquid level sensor and a flow sensor, wherein the pressure sensor is used for acquiring pressure information of the medium in the butterfly valve body, the temperature sensor is used for acquiring temperature information of the medium in the butterfly valve body, the flow sensor is used for acquiring flow information of the medium in the butterfly valve body, and the liquid level sensor is used for acquiring liquid level information of the medium in the butterfly valve body;
the electric actuating mechanism comprises a direct current assembly module, a control module and a reduction gearbox, wherein the butterfly plate is connected with the valve body through an upper valve shaft and a lower valve shaft respectively, so that the butterfly plate rotates in the valve body, and the reduction gearbox is connected with the upper valve shaft to drive the butterfly plate to rotate; the direct current electric installation module is connected with the reduction gearbox to drive the reduction gearbox to move; the control module is used for controlling the direct current power-on module to output power;
a plurality of driving parts uniformly penetrate through the inner side wall of the valve body, and the driving ends of the driving parts are contacted with the end part of the stainless steel metal sealing ring, which is close to one side of the reverse pressure medium of the butterfly plate;
the driving part is electrically connected with the control module, and the control module is also used for controlling the driving part to act and acquiring pressure data fed back by the driving part;
the control module is also electrically connected with the temperature sensor, the liquid level sensor and the flow sensor to acquire pressure information, temperature information, flow information and liquid level information;
the control module is used for monitoring a forward pressure medium real-time pressure value delta P of one side of the forward pressure medium of the butterfly plate in real time, and driving the driving part to act when the forward pressure medium real-time pressure value delta P is larger than or equal to a forward pressure medium pressure threshold value P0;
the control module is also used for determining the expansion stroke of the driving part according to the difference value between the real-time pressure value delta P of the forward pressure medium and the pressure threshold value P0 of the forward pressure medium when the driving part is driven to act, and adjusting the expansion stroke of the driving part according to the pressure value fed back by the driving part after determining the expansion stroke of the driving part.
2. The control system of the self-generated power intelligent bidirectional metal self-pressing sealing butterfly valve according to claim 1, wherein the power supply unit comprises a wind power generation module, a solar photovoltaic power generation module, a battery pack energy storage module, a wind-solar complementary controller, a battery management module and a network monitoring camera;
the network monitoring camera is electrically connected with the server and is used for remotely monitoring the power supply unit.
3. The control system of the self-generated power intelligent bidirectional metal self-pressing sealing butterfly valve according to claim 1, wherein a groove is formed in the inner side wall of the valve body, and the stainless steel metal sealing ring is clamped in the groove;
an O-shaped ring is arranged between the stainless steel metal sealing ring and the inner bottom surface of the groove.
4. The control system of the self-generated power intelligent bidirectional metal self-pressure sealing butterfly valve according to claim 3, wherein a gland is arranged on the inner side wall of the valve body, and the gland is arranged on one side of a reverse pressure medium of the valve body;
the gland is inserted into the end part in the valve body and the groove is formed between the inner side wall of the valve body.
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| CN202211367709.6A CN115962289B (en) | 2022-11-03 | 2022-11-03 | Self-generated power intelligent bidirectional metal self-pressing sealing butterfly valve and control system thereof |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4248404A (en) * | 1979-08-09 | 1981-02-03 | Allis-Chalmers Corporation | Dual seal butterfly valve |
| CN202790581U (en) * | 2012-09-27 | 2013-03-13 | 明珠阀门集团有限公司 | Double seal metal rigidity seal butterfly valve |
| CN202852000U (en) * | 2012-08-02 | 2013-04-03 | 中阀科技(长沙)阀门有限公司 | Double-directional metal rigidity sealing butterfly valve |
| EP2787261A1 (en) * | 2013-04-05 | 2014-10-08 | ALSTOM Renewable Technologies | Valve integrated into a fluid distribution network, network and energy conversion installation comprising such a valve |
| CN108980376A (en) * | 2018-08-07 | 2018-12-11 | 王中杰 | Double plate double-valve-seat bidirectional metals or the butterfly valve of nonmetallic sealing |
| CN109973704A (en) * | 2019-05-08 | 2019-07-05 | 上海康措流体控制有限公司 | A kind of valve and a kind of valve control system |
| CN212718035U (en) * | 2020-05-29 | 2021-03-16 | 江苏神通阀门股份有限公司 | Bidirectional sealing fireproof butterfly valve |
-
2022
- 2022-11-03 CN CN202211367709.6A patent/CN115962289B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4248404A (en) * | 1979-08-09 | 1981-02-03 | Allis-Chalmers Corporation | Dual seal butterfly valve |
| CN202852000U (en) * | 2012-08-02 | 2013-04-03 | 中阀科技(长沙)阀门有限公司 | Double-directional metal rigidity sealing butterfly valve |
| CN202790581U (en) * | 2012-09-27 | 2013-03-13 | 明珠阀门集团有限公司 | Double seal metal rigidity seal butterfly valve |
| EP2787261A1 (en) * | 2013-04-05 | 2014-10-08 | ALSTOM Renewable Technologies | Valve integrated into a fluid distribution network, network and energy conversion installation comprising such a valve |
| CN108980376A (en) * | 2018-08-07 | 2018-12-11 | 王中杰 | Double plate double-valve-seat bidirectional metals or the butterfly valve of nonmetallic sealing |
| CN109973704A (en) * | 2019-05-08 | 2019-07-05 | 上海康措流体控制有限公司 | A kind of valve and a kind of valve control system |
| CN212718035U (en) * | 2020-05-29 | 2021-03-16 | 江苏神通阀门股份有限公司 | Bidirectional sealing fireproof butterfly valve |
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Denomination of invention: Self generating intelligent bidirectional metal self pressure sealing butterfly valve and its control system Granted publication date: 20231219 Pledgee: Bank of Ningbo Co.,Ltd. Fenghua sub branch Pledgor: NINGBO VALVE MANUFACTURING Co.,Ltd. Registration number: Y2024980024538 |