CN103968133A - Overpressure remote control discharge valve - Google Patents
Overpressure remote control discharge valve Download PDFInfo
- Publication number
- CN103968133A CN103968133A CN201410179020.XA CN201410179020A CN103968133A CN 103968133 A CN103968133 A CN 103968133A CN 201410179020 A CN201410179020 A CN 201410179020A CN 103968133 A CN103968133 A CN 103968133A
- Authority
- CN
- China
- Prior art keywords
- valve
- stepper motor
- composite stepper
- remote control
- spring seat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- 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
- 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
- F16K31/05—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor specially adapted for operating hand-operated valves or for combined motor and hand operation
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electrically Driven Valve-Operating Means (AREA)
Abstract
The invention discloses an overpressure remote control discharge valve. The overpressure remote control discharge valve comprises a main valve and a controller. The main valve is composed of a valve body, a valve seat, a valve rod, a valve disk, a stepping motor, a spring, a photoelectricity limiting switch and other parts. The stepping motor controls actions of the valve rod and the valve disk in the valve body to adjust the aperture of the valve. The controller receives standard current signals converted into digital signals through an A/D converter, the difference value between a sampling value and a set value is calculated based on the PLC technology, corresponding currents are output through a control program, forward and reverse rotation of the stepping motor is controlled by adjusting the revolving speed of a motor driver, a main valve switch in-place signal is transmitted to the controller through the photoelectricity limiting switch arranged on the main valve, and the position state of the main valve is monitored through a PLC on a control panel. According to the overpressure remote control discharge valve, stepless and accurate adjusting of opening and closing of the valve is achieved, the problem of atmospheric pressure fluctuation caused by various factors in an integration defense area is solved, and the atmospheric pressure in the integration defense area is stable.
Description
Technical field
Invention relates to a kind of bleeder valve, is specifically related to a kind of superpressure remote control bleeder valve, belongs to technical field of valve control.
Background technique
World today's situation changeable situation, Shadow of Wars shrouds the whole world all the time, the characteristics such as wherein mass destruction weapon discharges because having easily, difficulty is detected, difficult quarantine, difficult protection, refractory treatment are subject to common concern and the great attention of whole world every country and tissue, in addition, the extensive use of nuclear power for civil use technology, but it suffers the environmental pollution causing after accidental force also to become the problem of ignorance, as Fukushima, Japan nuclear power plant accident.Collective protection technology prevents that as naval vessel the raw pollutant of coring from entering the effective means of inside, naval vessel, on various naval vessel at home and abroad, be widely applied, and key in collective protection technology to be exactly superpressure and the dimension that collects atmosphere in defence area press, by pressurizating ventilation system and the superpressure remote control bleeder valve being arranged on the airtight circumference in collection defence area, Flow-rate adjustment bleeder valve, pressure reduction regulates bleeder valve, atmospheric pressure probe, cabin pressure meter and manually overpressure relief valve etc., the common collection defence area phase atmosphere to external world of realizing continues superpressure, make inside, naval vessel and extraneous effectively isolation, guarantee the safety of warship person and visual plant.
Under three anti-operating modes, collection defence area is sent into certain pressure, clean air by filtering malicious pressurizating ventilation system in closed area, simultaneously, by the outside leakage air in gap of the door on airtight circumference, lid, communication cabin component etc., for guaranteeing malleation in collection defence area, conventionally the fresh air volume must guarantor unit entering in the time is greater than the amount of leakage of whole airtight circumference, simultaneously, for maintaining atmospheric pressure in collection defence area, stablize and be evenly distributed, need to regulate valve member that unnecessary AB Air Bleed is gone out by multiple atmospheric pressure.
Traditional atmospheric pressure modulating valve is all to take self-powering type conventionally, or mechanical type, often needs to carry out manual tune according to actual conditions or experience, is difficult to control in precision.In addition, because the atmospheric pressure fluctuation in collection defence area is affected by several factors, as temperature, flow of personnel etc., and should realize the proper flow that collects air in defence area, to guarantee that everyone can obtain necessary resh air requirement, phase stable atmosphere superpressure to external world in necessary feasible region, also must consider the fluctuation of amount of leakage on circumference again, therefore, traditional overpressure relief valve cannot be realized this accurate adjusting.
Summary of the invention
In view of this, the invention provides a kind of superpressure remote control bleeder valve, can realize by the action of step motor control valve body inner valve stem, valve disc the aperture of valve is carried out to corresponding intelligence adjusting.
A kind of superpressure remote control bleeder valve, comprise main valve and controller, main valve comprises outer cover, valve body, valve rod, spring, fixing spring seat, linear bearing, connecting plate, seal ring, valve disc, valve seat, Regulation spring seat, connecting sleeve, composite stepper motor and optical fiber transducer; Controller comprises motor drive module, PLC control module, A/D modular converter, program setting module and pressure display module;
Wherein, valve body is hollow shell, and outer cover and valve seat are fixedly connected on respectively the two ends of valve body, and the inner peripheral surface of valve seat is provided with the radially annular boss of projection, and ring set is on annular boss; Composite stepper motor and linear bearing are separately fixed at a side of the corresponding outer cover of valve inner and valve seat, and composite stepper motor and the axis of linear bearing and the axis of valve body are consistent; One end of valve rod is connected with the output screw of composite stepper motor by connecting sleeve, and the other end is fixedly connected with valve disc through after linear bearing; Wherein, one end of connecting sleeve is fixedly connected with output screw, and the other end coordinates with threaded stem; Fixing spring seat, spring and Regulation spring seat are sleeved on valve rod successively, and Regulation spring seat and valve rod are screw-thread fit, and Regulation spring seat makes its Compress Spring, and the pretightening force of spring makes fixing spring seat conflict and contact with the end face of linear bearing; Optical fiber transducer is fixedly mounted on the output screw position of corresponding composite stepper motor on valve body, the angle of rotating for responding to output screw.
Further, in order to guarantee the sealing of main valve under minute-pressure state, seal ring adopts anti-lip seal circle, and seal ring contacts side structure with valve disc is that two lobes oppositely turn up
Motion principle: composite stepper motor starts under the control of PLC control module, the output screw of composite stepper motor can produce straight reciprocating motion, output screw drives valve disc to leave by valve rod or is adjacent to seal ring, realizes the action of opening or closing Decompression valves;
When controller is not switched on or when composite stepper motor is not worked, spring is compressed between Regulation spring seat and fixing spring seat, the restoring force same purpose of spring is on Regulation spring seat and fixing spring seat, due to Regulation spring seat with valve rod for being threaded, and fixing spring seat and linear bearing and valve rod are slip cooperating relationship, therefore the restoring force of spring makes valve rod tension valve disc and it is pressed on seal ring, has guaranteed the sealing in cabin.
Control principle: the A/D modular converter of controller receive from cabin pressure meter, provide analogue signal (superpressure that is equivalent to cabin 0-1000Pa), by A/D modular converter, analogue signal is converted to digital signal, this digital signal can directly show on pressure display module, in addition, this digital signal is by the sampled value in PLC control module calculating cabin and the difference between setting value, by program setting module by PLC control module to motor drive module output signal, by motor drive module output, adjust accordingly signal to composite stepper motor, realization is controlled the clockwise and anticlockwise of composite stepper motor, the forward of composite stepper motor drives the unlatching of valve disc, reversion drives closing of valve disc, simultaneously by being arranged on the optical fiber transducer on valve body, the main valve switch signal that puts in place is transferred to PLC control module, by PLC control module, realize the monitoring to valve disc position state again, it is shown and is reported to the police, also can these status informations be uploaded to higher level's watch-dog by communication interface.
Beneficial effect:
1, the present invention realizes the automatic electrodeless adjusting of overpressure relief valve first, by the automatic collection to cabin pressure, display module chamber pressure on the spot in real time, and can contrast with setting value, by PLC control technique, automatic regulating valve door aperture, cabin pressure increases, the aperture of valve strengthens, and cabin pressure reduces, and the aperture of valve reduces;
2, the present invention adopts stepper motor driven form first, has realized the step-less adjustment of valve opening and closing, by accurate adjusting in real time, has solved the atmospheric pressure fluctuation causing due to various factors in collection defence area, has guaranteed that in collection defence area, atmospheric pressure is stable;
3, the present invention is by precision and the accuracy that can guarantee that to the accurate Calculation of air pressure-electric current relativeness bleeder valve regulates, and reach ± 20Pa of precision, meets the requirement of the anti-system differential pressure of collection;
4, the present invention can be by the MTS arranging on controller, to the switch of valve and the aperture manual tune of meeting an urgent need, has strengthened the Security of overpressure relief valve;
5, the present invention adopts the seal ring of anti-lip formula, guarantees that main valve can keep excellent sealing under minute-pressure state;
6, the present invention adopts optical fiber transducer in the keying position of valve disc, guarantees the accurate Real-time Feedback of valve opening and closing signal.
Accompanying drawing explanation
Fig. 1 is the structural representation of main valve of the present invention;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is the structural drawing of anti-lip seal circle;
Fig. 4 is workflow diagram of the present invention.
Wherein, 1-outer cover, 2-valve body, 3-valve rod, 4-spring, 5-fixing spring seat, 6-linear bearing, 7-connecting plate, 8-seal ring, 9-valve disc, 10-valve seat, 11-Regulation spring seat, 12-connecting sleeve, 13-composite stepper motor, 14-optical fiber transducer.
Embodiment
Below in conjunction with the accompanying drawing embodiment that develops simultaneously, describe the present invention.
As shown in attached Fig. 1 and 2, the invention provides a kind of superpressure remote control bleeder valve, comprise main valve and controller, main valve comprises outer cover 1, valve body 2, valve rod 3, spring 4, fixing spring seat 5, linear bearing 6, connecting plate 7, seal ring 8, valve disc 9, valve seat 10, Regulation spring seat 11, connecting sleeve 12, composite stepper motor 13 and optical fiber transducer 14; Controller comprises motor drive module, PLC control module, A/D modular converter, program setting module and pressure display module;
Wherein, valve body 2 is hollow shell, and outer cover 1 and valve seat 10 are fixedly connected on respectively the two ends of valve body 2, and the inner peripheral surface of valve seat 10 is provided with the radially annular boss of projection, and seal ring 8 is sleeved on annular boss; Composite stepper motor 13 and linear bearing 6 are separately fixed at a side of the inner corresponding outer cover 1 of valve body 2 and valve seat 10, and the axis of composite stepper motor 13 and linear bearing is consistent with the axis of valve body 2; One end of valve rod 3 is connected with the output screw of composite stepper motor 13 by connecting sleeve 12, and the other end is fixedly connected with valve disc 9 through linear bearing 6 is rear; Wherein, one end of connecting sleeve 12 is fixedly connected with output screw, the other end and valve rod 3 screw-thread fit; Fixing spring seat 5, spring 4 and Regulation spring seat 11 are sleeved on valve rod 3 successively, and Regulation spring seat 11 is screw-thread fit with valve rod 3, and Regulation spring seat 11 makes its Compress Spring 4, and the pretightening force of spring 4 makes fixing spring seat 5 conflict and contact with the end face of linear bearing 6; Optical fiber transducer is fixedly mounted on the output screw position of corresponding composite stepper motor 13 on valve body 2, the angle of rotating for responding to output screw.
Further, in order to guarantee the sealing of main valve under minute-pressure state, seal ring 8 adopts anti-lip seal circle, seal ring 8 contacts side structure with valve disc 9 is that two lobes oppositely turn up, as shown in Figure 3, the Eversible structure thickness of outer ring is greater than the Eversible structure of inner ring, and the inside and outside radius of arc of outer ring is respectively R8 and R10, the inside and outside radius of arc of inner ring is respectively R12 and R11, the circular arc chamfering that end face is R0.25.
Motion principle: composite stepper motor 13 starts under the control of PLC control module, the output screw of composite stepper motor can produce straight reciprocating motion, output screw drives valve disc 9 to leave or be adjacent to seal ring 8 by valve rod, realizes the action of opening or closing Decompression valves;
When controller is not switched on or when composite stepper motor 13 is not worked, spring is compressed between Regulation spring seat and fixing spring seat, the restoring force same purpose of spring is on Regulation spring seat 11 and fixing spring seat 5, due to Regulation spring seat 11 with valve rod 3 for being threaded, and fixing spring seat 5 and linear bearing and valve rod 3 are slip cooperating relationship, therefore the restoring force of spring 4 makes valve rod 3 tension valve discs 9 and it is pressed on seal ring 8, has guaranteed the sealing in cabin.
Control principle as shown in Figure 4, the analogue signal (superpressure that is equivalent to cabin 0-1000Pa) of the 4-20mA providing from cabin pressure meter is provided controller, by A/D modular converter, analogue signal is converted to digital signal, this digital signal can directly show on pressure display module, in addition, this digital signal is by the sampled value in PLC control module calculating cabin and the difference between setting value, by program setting module by PLC control module to motor drive module output signal, by motor drive module output, adjust accordingly signal to composite stepper motor, realization is controlled the clockwise and anticlockwise of composite stepper motor, the forward of composite stepper motor drives the unlatching of valve disc, reversion drives closing of valve disc, simultaneously by being arranged on the optical fiber transducer on valve body, the main valve switch signal that puts in place is transferred to PLC control module, by PLC control module, realize the monitoring to valve disc position state again, it is shown and is reported to the police, also can these status informations be uploaded to higher level's watch-dog by communication interface.
In sum, these are only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (3)
1. a superpressure remote control bleeder valve, it is characterized in that, comprise: superpressure remote control bleeder valve, comprise main valve and controller, main valve comprises outer cover (1), valve body (2), valve rod (3), spring (4), fixing spring seat (5), linear bearing (6), connecting plate (7), seal ring (8), valve disc (9), valve seat (10), Regulation spring seat (11), connecting sleeve (12), composite stepper motor (13) and optical fiber transducer (14);
Wherein, described valve body (2) is hollow shell, outer cover (1) and valve seat (10) are fixedly connected on respectively the two ends of valve body (2), and the inner peripheral surface of valve seat (10) is provided with the radially annular boss of projection, and seal ring (8) is sleeved on annular boss; Composite stepper motor (13) and linear bearing (6) are separately fixed at a side of the inner corresponding outer cover of valve body (2) (1) and valve seat (10), the axis of composite stepper motor (13) and linear bearing is consistent with the axis of valve body (2), and controller is connected with composite stepper motor (13); One end of valve rod (3) is connected with the output screw of composite stepper motor (13) by connecting sleeve (12), and the other end is fixedly connected with valve disc (9) through after linear bearing (6); Wherein, one end of connecting sleeve (12) is fixedly connected with output screw, the other end and valve rod (3) screw-thread fit; Fixing spring seat (5), spring (4) and Regulation spring seat (11) are sleeved on valve rod (3) successively, Regulation spring seat (11) is screw-thread fit with valve rod (3), Regulation spring seat (11) makes its Compress Spring (4), and the pretightening force of spring (4) makes fixing spring seat (5) conflict and contact with the end face of linear bearing (6); Optical fiber transducer is fixedly mounted on the output screw position of the upper corresponding composite stepper motor (13) of valve body (2).
2. superpressure remote control bleeder valve as claimed in claim 1, is characterized in that, described controller comprises motor drive module, PLC control module, A/D modular converter, program setting module and pressure display module, described A/D modular converter receive from cabin pressure meter, provide analogue signal, by A/D modular converter, analogue signal is converted to digital signal, this digital signal can directly show on pressure display module, in addition, this digital signal is by the sampled value in PLC control module calculating cabin and the difference between setting value, by program setting module by PLC control module to motor drive module output signal, by motor drive module output, adjust accordingly signal to composite stepper motor (13), realization is controlled the clockwise and anticlockwise of composite stepper motor (13), the forward of composite stepper motor (13) drives the unlatching of valve disc (9), reversion drives closing of valve disc (9), simultaneously by being arranged on the optical fiber transducer on valve body (2), the main valve switch signal that puts in place is transferred to PLC control module, by PLC control module, realize the monitoring to valve disc (9) location status again, it is shown and is reported to the police.
3. superpressure remote control bleeder valve as claimed in claim 1, is characterized in that, described seal ring (8) adopts anti-lip seal circle, and seal ring (8) contacts side structure with valve disc (9) is that two lobes oppositely turn up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410179020.XA CN103968133A (en) | 2014-04-30 | 2014-04-30 | Overpressure remote control discharge valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410179020.XA CN103968133A (en) | 2014-04-30 | 2014-04-30 | Overpressure remote control discharge valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103968133A true CN103968133A (en) | 2014-08-06 |
Family
ID=51237978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410179020.XA Withdrawn CN103968133A (en) | 2014-04-30 | 2014-04-30 | Overpressure remote control discharge valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103968133A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105443831A (en) * | 2016-01-15 | 2016-03-30 | 常州市汇丰船舶附件制造有限公司 | Double-valve-disk type overpressure control valve |
| CN106958681A (en) * | 2017-05-10 | 2017-07-18 | 中国特种飞行器研究所 | A kind of helium valve and control device |
| CN108386590A (en) * | 2018-02-22 | 2018-08-10 | 中国舰船研究设计中心 | Link-type super pressure control valve and control method |
| CN111734832A (en) * | 2020-06-17 | 2020-10-02 | 中国舰船研究设计中心 | Electric overpressure control valve |
| CN113147318A (en) * | 2021-04-21 | 2021-07-23 | 北京北方车辆集团有限公司 | Overpressure exhaust device |
| CN113997761A (en) * | 2021-11-03 | 2022-02-01 | 中国船舶重工集团公司第七一九研究所 | Centralized defense system |
-
2014
- 2014-04-30 CN CN201410179020.XA patent/CN103968133A/en not_active Withdrawn
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105443831A (en) * | 2016-01-15 | 2016-03-30 | 常州市汇丰船舶附件制造有限公司 | Double-valve-disk type overpressure control valve |
| CN105443831B (en) * | 2016-01-15 | 2018-02-06 | 常州市汇丰船舶附件制造有限公司 | Bivalve disc type super pressure control valve |
| CN106958681A (en) * | 2017-05-10 | 2017-07-18 | 中国特种飞行器研究所 | A kind of helium valve and control device |
| CN108386590A (en) * | 2018-02-22 | 2018-08-10 | 中国舰船研究设计中心 | Link-type super pressure control valve and control method |
| CN111734832A (en) * | 2020-06-17 | 2020-10-02 | 中国舰船研究设计中心 | Electric overpressure control valve |
| CN113147318A (en) * | 2021-04-21 | 2021-07-23 | 北京北方车辆集团有限公司 | Overpressure exhaust device |
| CN113997761A (en) * | 2021-11-03 | 2022-02-01 | 中国船舶重工集团公司第七一九研究所 | Centralized defense system |
| CN113997761B (en) * | 2021-11-03 | 2024-01-05 | 中国船舶重工集团公司第七一九研究所 | Collecting and preventing system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C04 | Withdrawal of patent application after publication (patent law 2001) | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20140806 |