CN105387221A - Flow controlling butterfly valve - Google Patents
Flow controlling butterfly valve Download PDFInfo
- Publication number
- CN105387221A CN105387221A CN201510907714.5A CN201510907714A CN105387221A CN 105387221 A CN105387221 A CN 105387221A CN 201510907714 A CN201510907714 A CN 201510907714A CN 105387221 A CN105387221 A CN 105387221A
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- valve plate
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
- F16K1/223—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves with a plurality of valve members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/08—Guiding yokes for spindles; Means for closing housings; Dust caps, e.g. for tyre valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0025—Electrical or magnetic means
- F16K37/005—Electrical or magnetic means for measuring fluid parameters
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
The invention discloses a flow controlling butterfly valve which comprises a valve body, a valve seat and a valve rod rack. The valve body is of a cavity structure. The valve seat is installed in the valve body. The valve rod rack is installed on the upper portion outside the valve body. An inner valve rod and an outer valve rod are installed in the valve rod rack. Valve plates are installed in the valve body and comprise the inner valve plate and the outer valve plate. The inner valve plate is connected with the inner valve rod, and the outer valve plate is connected with the outer valve rod. By means of the butterfly valve, the flow can be adjusted automatically, controlling is convenient, the moment of flow controlling is small, the working condition of the valve can be monitored in real time, and an alarm can be given; automatic control over the valve can be achieved, so that flow controlling of the butterfly valve is more reliable.
Description
Technical field
The present invention relates to valve manufacture field, particularly a kind of flow control butterfly valve.
Background technique
Butterfly valve butterfly valve is Flap valve again, is the simple modulating valve of a kind of structure, and the butterfly valve that can be used for the switch control rule of low pressure pipeline medium refers to that closure member (flap or butterfly plate) is disk, rotates a kind of valve reaching open and close around valve shaft.Butterfly valve has become one of valve be most widely used at present, has very important effect for production.
And butterfly valve is in the flow of control valve, because butterfly valve is when opening section valve plate, the resistance of valve plate is very large, the impact force that medium in valve acts on valve plate is also very large, during flow therefore in butterfly valve pilot line, in order to keep the aperture of valve plate, just very large to the power be applied on valve rod, and continue to keep, be unfavorable for the flow in control piping system.
Summary of the invention
For the deficiency that above-mentioned technology exists, the object of the technology of the present invention is to provide a kind of flow automatic regulation, it is convenient to control, control flow check is measured one's own ability square is little, can working state, the butterfly valve that can give the alarm of Real-Time Monitoring valve, this butterfly valve can realize valve Automated condtrol, make the flow control of butterfly valve more reliable.
The present invention is achieved through the following technical solutions:
A kind of flow control butterfly valve, described flow control butterfly valve comprises: valve body, valve seat, valve rod frame, described valve body is cavity structure, be provided with valve seat in described valve body, the top outside valve body is provided with valve rod frame, is provided with inner valve stem and outer valve rod in described valve rod frame, in described valve body, valve plate is installed, described valve rod comprises interior valve plate and outer valve plate, and described interior valve plate is connected with inner valve stem, and described outer valve plate is connected with outer valve rod.
In technique scheme, by valve plate being set to interior valve plate and outer valve plate, interior valve plate is controlled by being provided with inner valve stem, outer valve rod controls outer valve plate, make come in pilot line flow by butterfly valve, interior valve plate or outer valve plate can be opened respectively to control flow, preferentially open interior valve plate and the moment of media impingement on interior valve plate can be made less, the rotation controlling valve plate is more prone to.
Further, the shape of the outer valve plate that described valve body is installed is circular, the circular end face of described outer valve plate is provided with circular port, the inwall of the circular port of described outer valve plate has the valve rod hole installing inner valve stem, and the inwall of described circular port is installed with sealing seat, and the material of described sealing seat is metal material, in described sealing seat, interior valve plate is installed, described sealing seat and interior valve plate form sealing surface, and the lip limit of described outer valve plate is provided with several grooves, is provided with Sealing in described groove.
Further, between described inner valve stem and outer valve rod, be provided with seal arrangement, between described outer valve rod and valve rod frame, be provided with seal arrangement.
Further, the shape of described interior valve plate is circular, and the lip limit of described interior valve plate is provided with groove, is provided with Sealing in described groove.
Further, described outer valve rod is arranged in valve rod frame, and described outer valve rod is provided with center hole, and the top of described outer valve rod is arranged on one end of a drive link, and the described the other end of a drive link is connected with the electric rod of electric cylinder.
Further, described inner valve stem is through outer valve rod center hole, and the bottom of described inner valve stem is arranged on interior valve plate, and described inner valve stem top is provided with the one end being arranged on b drive link, and the described the other end of b drive link is connected with the electric rod of electric cylinder.
Further, described electric cylinder is servo electric jar.
Further, the ingress of described valve body is provided with pressure transducer, the outlet port of described valve body or the segment distance after exporting are provided with flowmeter, described pressure transducer and flowmeter are connected with MCU, described MCU is connected with electric cylinder, light-emitting diode display respectively, described MCU is provided with data-interface, storage and keyboard, and described MCU is connected with alarm.
Further, the maximal pressure force value Pmax of butterfly valve place pipeline is provided with in described MCU, the pressure value signal P1 recorded is passed to MCU by described pressure transducer, after described MCU receives the pressure signal P 1 that pressure transducer records, described MCU sends the current maximal pressure force value Pmax of display to light-emitting diode display, the pressure value P 1 that pressure transducer records in real time, P1 and Pmax contrasts by MCU, as P1>=Pmax, described MCU sends alarm signal to alarm, alarm gives the alarm after receiving alarm signal, MCU sends the warning signal of pipeline system overvoltage to light-emitting diode display, described light-emitting diode display receives warning after the warning signal of pipeline overvoltage, as P1 < Pmax, MCU sends the normal signal of pipe-line system to light-emitting diode display, to show normal information after described light-emitting diode display receives and send the normal signal of pipe-line system, sent the signal of the flow Q that pipe-line system needs by keyboard to MCU, in described MCU, the aperture Φ of valve plate in butterfly valve and outer valve plate is divided into the individual identical small guide vane of n, sends to electric cylinder after described MCU receives the signal of flow Q and open interior valve plate
the signal command of aperture, described electric cylinder opens interior valve plate after receiving the signal command of opening interior valve plate
aperture, after described interior valve plate is opened, the steady flow value Q1 that described flowmeter records, flow Q1 signal is sent to MCU by described flowmeter in real time, after described MCU receives Q1 flux signal, if Q1 < is Q, described MCU sends to electric cylinder and opens interior valve plate again
the signal command of aperture, described electric cylinder performs after receiving the signal command of MCU, until in allowed band Q1=Q or interior valve plate standard-sized sheet, if Q1 < Q after interior valve plate standard-sized sheet, then described MCU sends to electric cylinder and opens outer valve plate
the signal command of aperture, described electric cylinder opens outer valve plate after receiving the signal command of opening outer valve plate
aperture, after described outer valve plate is opened, the steady flow value Q1 that described flowmeter records, Q1 and Q contrasts by described MCU, if Q1 < is Q, then MCU continues to send to electric cylinder to open outer valve plate
the signal command of aperture, until Q1=Q in allowed band, the flow Q1 recorded is presented in light-emitting diode display by described MCU in real time, and control procedure and the flow value signal recorded, pressure value signal send to storage to store by described MCU.
The invention has the beneficial effects as follows:
1, by valve plate being set to interior valve plate and outer valve plate, inner valve stem and outer valve rod control interior valve plate and outer valve plate respectively, make come in pilot line flow by butterfly valve, interior valve plate or outer valve plate can be opened respectively to control flow, preferentially open the flow that interior valve plate carrys out control valve, the moment of media impingement on interior valve plate can be made less, the moment controlling valve rod rotation is also less, be convenient to regulate the intrasystem flow of pipeline, the rotation controlling valve plate is more prone to.
2, by being provided with MCU, pressure transducer, flow take into account electric cylinder, make when control valve flow, can automatically carry out, manpower can not be needed directly to manipulate valve, the alarm be provided with, display device can give the alarm when pipe-line system overpressure is dangerous, make valve and pipe-line system safer, also convenient monitoring.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Mark in figure: 1 be interior valve plate, 2 be outer valve plate, 3 be valve seat, 4 be valve rod frame, 5 be inner valve stem, 6 be outer valve rod, 7 be valve body, 8 be a drive link, 9 be b drive link, 10 for electric cylinder.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail.
A kind of flow control butterfly valve as shown in Figure 1, this flow control butterfly valve comprises interior valve plate 1, outer valve plate 2, valve seat 3, valve rod frame 4, inner valve stem 5, outer valve rod 6, valve body 7, a passes bar bar 8, b drive link 9, electric cylinder 10, described valve body 7 is cavity structure, in described valve body 7, valve seat 3 is installed, top outside valve body 7 is provided with valve rod frame 4, inner valve stem 5 and outer valve rod 6 are installed in described valve rod frame 4, in described valve body 7, valve plate is installed, described valve rod comprises interior valve plate 1 and outer valve plate 2, described interior valve plate 1 is connected with inner valve stem 5, described outer valve plate 2 is connected with outer valve rod 6,
Wherein, by valve plate being set to interior valve plate 1 and outer valve plate 2, interior valve plate 1 is controlled by being provided with inner valve stem 5, outer valve rod 6 controls outer valve plate 2, make come in pilot line flow by butterfly valve, interior valve plate 1 or outer valve plate 2 can be opened respectively to control flow, preferentially open interior valve plate 1 and the moment of media impingement on interior valve plate 1 can be made less, the rotation controlling valve plate is more prone to.
The shape of the outer valve plate 2 that described valve body 7 is installed is circular, the circular end face of described outer valve plate 2 is provided with circular port, the inwall of described circular port is installed with sealing seat, the material of described sealing seat is metal material, interior valve plate 1 is installed in described sealing seat, described sealing seat and interior valve plate 1 form sealing surface, and the lip limit of described outer valve plate 2 is provided with several grooves, is provided with Sealing in described groove;
Wherein, the circular end face of valve plate 2 is provided with circular port outside, the circular port be provided with is used for installing interior valve plate 1, by installing sealing seat to seal between interior valve plate 1 and outer valve plate 2, ensure the reliability of sealing, sealing seat can select metal material, make sealing seat more durable, the groove that the lip limit of valve plate 2 is provided with outside can increase the reliability of sealing, has multi-level sealing configuration, and the quantity of usual groove is 1.
Be provided with seal arrangement between described inner valve stem 5 and outer valve rod 6, between described outer valve rod 6 and valve rod frame 4, be provided with seal arrangement;
Wherein, seal between inner valve stem 5 and outer valve rod 6, between outer valve rod 6 and valve rod frame 4 by packing seal, filler can use asbestos rope.
The shape of described interior valve plate 1 is circular, and the lip limit of described interior valve plate 1 is provided with groove, is provided with Sealing in described groove;
Wherein, the Sealing in groove can use O type rubber seal, and groove can be set to rectangle, and rectangular recess is better processed.
Described outer valve rod 6 is arranged in valve rod frame 4, and described outer valve rod 6 is provided with center hole, and the top of described outer valve rod 6 is arranged on one end of a drive link 8, and the other end of described a drive link 8 is connected with the electric rod of electric cylinder 10;
Described inner valve stem 5 is through outer valve rod 6 center hole, and the bottom of described inner valve stem 5 is arranged on interior valve plate 1, and described inner valve stem 5 top is provided with the one end being arranged on b drive link 9, and the other end of described b drive link 9 is connected with the electric rod of electric cylinder 10; Described electric cylinder 10 is servo electric jar;
Wherein, valve rod 6 is provided with center hole outside, inner valve stem 5 can be installed, Electronic control can be carried out to inner valve stem 5, outer valve rod 6 by the electric rod 10 installed, for Automated condtrol valve lays the first stone, the advantage, particularly servo electric jar such as have that noise is little by electric cylinder 10 control valve, precise control, supplementary equipment are few, by electric cylinder 10 pairs of b drive links 9 and the independent effect of a drive link 8, make it possible to independently control inner valve stem 5 or outer valve rod 6.
The ingress of described valve body 7 is provided with pressure transducer, a segment distance after the outlet of described valve body 7 is provided with flowmeter, described pressure transducer and flowmeter are connected with MCU, described MCU is connected with electric cylinder 10, light-emitting diode display respectively, described MCU is provided with data-interface, storage and keyboard, and described MCU is connected with alarm;
Wherein, after a segment distance after outlet, media flow in pipeline is stablized, the flow measured is more accurate, by by being provided with MCU, pressure transducer, flow take into account electric cylinder, make when control valve flow, can automatically carry out, manpower can not be needed directly to manipulate valve, the alarm be provided with, display device can give the alarm when pipe-line system overpressure is dangerous, make valve and pipe-line system safer, also convenient monitoring, pressure transducer is strain type pressure sensing, flowmeter inductance type flowmeter.
The maximal pressure force value Pmax of butterfly valve place pipeline is provided with in described MCU, the pressure value signal P1 recorded is passed to MCU by described pressure transducer, after described MCU receives the pressure signal P 1 that pressure transducer records, described MCU sends the current maximal pressure force value Pmax of display to light-emitting diode display, the pressure value P 1 that pressure transducer records in real time, P1 and Pmax contrasts by MCU, as P1 >=Pmax, described MCU sends alarm signal to alarm, alarm gives the alarm after receiving alarm signal, MCU sends the warning signal of pipeline system overvoltage to light-emitting diode display, described light-emitting diode display receives warning after the warning signal of pipeline overvoltage, as P1 < Pmax, MCU sends the normal signal of pipe-line system to light-emitting diode display, to show normal information after described light-emitting diode display receives and send the normal signal of pipe-line system,
Sent the signal of the flow Q that pipe-line system needs by keyboard to MCU, in described MCU, the aperture Φ of valve plate in butterfly valve 1 and outer valve plate 2 is divided into the individual identical small guide vane of n, sends to electric cylinder (10) after described MCU receives the signal of flow Q and open interior valve plate 1
the signal command of aperture, described electric cylinder 10 opens interior valve plate 1 after receiving the signal command of opening interior valve plate 1
aperture, after described interior valve plate 1 is opened, the steady flow value Q1 that described flowmeter records, flow Q1 signal is sent to MCU by described flowmeter in real time, after described MCU receives Q1 flux signal, if Q1 < is Q, described MCU sends to electric cylinder 10 and opens interior valve plate 1 again
the signal command of aperture, perform after described electric cylinder (10) receives the signal command of MCU, until in allowed band Q1=Q or interior valve plate 1 standard-sized sheet, if Q1 < Q after interior valve plate 1 standard-sized sheet, then described MCU sends to electric cylinder 10 and opens outer valve plate 2
the signal command of aperture, described electric cylinder 10 opens outer valve plate 2 after receiving the signal command of opening outer valve plate 2
aperture, after described outer valve plate 2 is opened, the steady flow value Q1 that described flowmeter records, Q1 and Q contrasts by described MCU, if Q1 < is Q, then MCU continues to send to electric cylinder 10 to open outer valve plate 2
the signal command of aperture, until Q1=Q in allowed band, the flow Q1 recorded is presented in light-emitting diode display by described MCU in real time, and control procedure and the flow value signal recorded, pressure value signal send to storage to store by described MCU.
Claims (9)
1. a flow control butterfly valve, described flow control butterfly valve comprises: valve body (7), valve seat (3), valve rod frame (4), described valve body (7) is cavity structure, valve seat (3) is installed in described valve body (7), valve body (7) top is outward provided with valve rod frame (4), it is characterized in that, inner valve stem (5) and outer valve rod (6) are installed in described valve rod frame (4), described valve body is provided with valve plate in (7), described valve rod comprises interior valve plate (1) and outer valve plate (2), described interior valve plate (1) is connected with inner valve stem (5), described outer valve plate (2) is connected with outer valve rod (6).
2. flow control butterfly valve according to claim 1, it is characterized in that, the shape of the outer valve plate (2) that described valve body (7) is installed is for circular, the circular end face of described outer valve plate (2) is provided with circular port, the inwall of the circular port of described outer valve plate (2) has the valve rod hole installing inner valve stem (5), the inwall of described circular port is installed with sealing seat, the material of described sealing seat is metal material, interior valve plate (1) is installed in described sealing seat, described sealing seat and interior valve plate (1) form sealing surface, the lip limit of described outer valve plate (2) is provided with several grooves, Sealing is provided with in described groove.
3. flow control butterfly valve according to claim 1, is characterized in that, is provided with seal arrangement between described inner valve stem (5) and outer valve rod (6), is provided with seal arrangement between described outer valve rod (6) and valve rod frame (4).
4. flow control butterfly valve according to claim 1, is characterized in that, the shape of described interior valve plate (1) is circular, and the lip limit of described interior valve plate (1) is provided with groove, is provided with Sealing in described groove.
5. flow control butterfly valve according to claim 1, it is characterized in that, described outer valve rod (6) is arranged in valve rod frame (4), described outer valve rod (6) is provided with center hole, the top of described outer valve rod (6) is arranged on one end of a drive link (8), and the other end of described a drive link (8) is connected with the electric rod of electric cylinder (10).
6. flow control butterfly valve according to claim 1, it is characterized in that, described inner valve stem (5) is through outer valve rod (6) center hole, the bottom of described inner valve stem (5) is arranged on interior valve plate (1), described inner valve stem (5) top is provided with the one end being arranged on b drive link (9), and the other end of described b drive link (9) is connected with the electric rod of electric cylinder (10).
7. the flow control butterfly valve according to claim 4,5, is characterized in that, described electric cylinder (10) is servo electric jar.
8. the flow control butterfly valve according to claim 1-7, it is characterized in that, the ingress of described valve body (7) is provided with pressure transducer, the outlet port of described valve body (7) or the segment distance after exporting are provided with flowmeter, described pressure transducer and flowmeter are connected with MCU, described MCU is connected with electric cylinder (10), light-emitting diode display respectively, and described MCU is provided with data-interface, storage and keyboard, and described MCU is connected with alarm.
9. the flow control butterfly valve according to claim 1-8, it is characterized in that, the maximal pressure force value Pmax of butterfly valve place pipeline is provided with in described MCU, the pressure value signal P1 recorded is passed to MCU by described pressure transducer, after described MCU receives the pressure signal P 1 that pressure transducer records, described MCU sends the current maximal pressure force value Pmax of display to light-emitting diode display, the pressure value P 1 that pressure transducer records in real time, P1 and Pmax contrasts by MCU, as P1>=Pmax, described MCU sends alarm signal to alarm, alarm gives the alarm after receiving alarm signal, MCU sends the warning signal of pipeline system overvoltage to light-emitting diode display, described light-emitting diode display receives warning after the warning signal of pipeline overvoltage, as P1 < Pmax, MCU sends the normal signal of pipe-line system to light-emitting diode display, to show normal information after described light-emitting diode display receives and send the normal signal of pipe-line system, sent the signal of the flow Q that pipe-line system needs to MCU by keyboard, in described MCU, the aperture Φ of valve plate in butterfly valve (1) and outer valve plate (2) is divided into the individual identical small guide vane of n, sends to electric cylinder (10) after described MCU receives the signal of flow Q and open interior valve plate (1)
the signal command of aperture, opens interior valve plate (1) after described electric cylinder (10) receives the signal command of opening interior valve plate (1)
aperture, after described interior valve plate (1) is opened, the steady flow value Q1 that described flowmeter records, flow Q1 signal is sent to MCU by described flowmeter in real time, after described MCU receives Q1 flux signal, if Q1 < is Q, described MCU sends to electric cylinder (10) and opens interior valve plate (1) again
the signal command of aperture, perform after described electric cylinder (10) receives the signal command of MCU, until in allowed band Q1=Q or interior valve plate (1) standard-sized sheet, if Q1 < Q after interior valve plate (1) standard-sized sheet, then described MCU sends to electric cylinder (10) and opens outer valve plate (2)
the signal command of aperture, opens outer valve plate (2) after described electric cylinder (10) receives the signal command of opening outer valve plate (2)
aperture, after described outer valve plate (2) is opened, the steady flow value Q1 that described flowmeter records, Q1 and Q contrasts by described MCU, if Q1 < is Q, then MCU continues to send to electric cylinder (10) to open outer valve plate (2)
the signal command of aperture, until Q1=Q in allowed band, the flow Q1 recorded is presented in light-emitting diode display by described MCU in real time, and control procedure and the flow value signal recorded, pressure value signal send to storage to store by described MCU.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510907714.5A CN105387221A (en) | 2015-12-10 | 2015-12-10 | Flow controlling butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510907714.5A CN105387221A (en) | 2015-12-10 | 2015-12-10 | Flow controlling butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105387221A true CN105387221A (en) | 2016-03-09 |
Family
ID=55419809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510907714.5A Pending CN105387221A (en) | 2015-12-10 | 2015-12-10 | Flow controlling butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105387221A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106763844A (en) * | 2016-12-29 | 2017-05-31 | 天津天地众恒仪表技术有限公司 | A kind of gauge valve of the visual type that throttles |
| CN109869500A (en) * | 2019-03-16 | 2019-06-11 | 刘旭 | It is a kind of to automatically control urgent anti-leakage valve |
| CN114777023A (en) * | 2022-04-12 | 2022-07-22 | 江苏大学 | Feedback control butterfly valve system and method applying edge calculation |
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| CN1782475A (en) * | 2004-12-01 | 2006-06-07 | 宁伟 | Butterfly valve |
| CN201065942Y (en) * | 2007-06-20 | 2008-05-28 | 吴爱国 | Electronic type flow self-balancing electric control valve |
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| CN202082409U (en) * | 2011-06-10 | 2011-12-21 | 安徽省科捷再生能源利用有限公司 | Intelligent dynamic balance control valve for heating system |
| CN202132593U (en) * | 2011-07-05 | 2012-02-01 | 浙江奥新仪表有限公司 | Temperature and pressure protection type flow controller |
| CN202758478U (en) * | 2012-08-15 | 2013-02-27 | 福建师范大学 | Chemical industry valve intelligent control device based on Internet of things |
| CN205446736U (en) * | 2015-12-10 | 2016-08-10 | 厦门海旭东方智能科技有限公司 | Flow control butterfly valve |
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2015
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1782475A (en) * | 2004-12-01 | 2006-06-07 | 宁伟 | Butterfly valve |
| CN201065942Y (en) * | 2007-06-20 | 2008-05-28 | 吴爱国 | Electronic type flow self-balancing electric control valve |
| US20100237269A1 (en) * | 2009-03-17 | 2010-09-23 | Denso Corporation | Valve device |
| CN202082409U (en) * | 2011-06-10 | 2011-12-21 | 安徽省科捷再生能源利用有限公司 | Intelligent dynamic balance control valve for heating system |
| CN202132593U (en) * | 2011-07-05 | 2012-02-01 | 浙江奥新仪表有限公司 | Temperature and pressure protection type flow controller |
| CN202758478U (en) * | 2012-08-15 | 2013-02-27 | 福建师范大学 | Chemical industry valve intelligent control device based on Internet of things |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106763844A (en) * | 2016-12-29 | 2017-05-31 | 天津天地众恒仪表技术有限公司 | A kind of gauge valve of the visual type that throttles |
| CN109869500A (en) * | 2019-03-16 | 2019-06-11 | 刘旭 | It is a kind of to automatically control urgent anti-leakage valve |
| CN109869500B (en) * | 2019-03-16 | 2020-01-14 | 江苏明江阀业有限公司 | Automatic control emergency leakage-proof valve |
| CN114777023A (en) * | 2022-04-12 | 2022-07-22 | 江苏大学 | Feedback control butterfly valve system and method applying edge calculation |
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Application publication date: 20160309 |
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| RJ01 | Rejection of invention patent application after publication |