CN209340574U - Intelligent pressure regulating center - Google Patents

Abstract

The utility model relates to a kind of intelligent pressure regulating center, voltage-regulating transformer valve body lower end is connect by bottom base valve pocket with explosion-proof actuator shell；Voltage-regulating transformer valve body upper end is connect by top base valve pocket component with membranous disc component；The lower valve shaft lower end of lower valve sleeve component is connect by sealing guide sleeve with electromagnetic linear driver；The upper valve head of top base valve pocket component is connect with upper valve shaft lower end；Spring, spring slide are equipped in top base valve pocket, guide blot is symmetrically mounted on spring slide, and the overhanging both ends of guide blot are contacted with the interior step that pliable pressure adjusts ring, and pliable pressure adjusts ring and matches with top base valve pocket by screw thread；Explosion-proof actuator shell side is equipped with display window gland and pack alloy partition, is equipped with computer main board unit, power supply unit, electromagnetic linear driver and absolute position transducer in the closed cavity of formation；Display button unit is electrically connected with computer main board unit.The utility model realizes pressure regulation current limliting, flexible cutting, reduces the configuration of pressure regulating box, voltage regulating station.

Description

Intelligent pressure regulating center

Technical field

The utility model relates to regulator, current-limiting apparatus, metering device, cut-off disconnecting devices, are exactly a kind of The intelligent pressure regulating center of multi parameters control function is provided simultaneously with based on pressure regulation.

Background technique

According to national standard " city gas pressure regulator ", gas pressure regulator, governor is divided into two major classes respectively by GB-27790-2011 is: straight Connect action type pressure regulator and indirect-action type pressure regulator.Pressure regulator is automatic adjustment gas outlet pressure, stablizes it certain The dropping equipment of range.With the development of gas industry, over more than 100 years, voltage adjusting device is also continued to develop and perfect, There is miscellaneous pressure regulator.Such as: spring or gravity formula pressure regulator, Reynolds formula pressure regulator, piston type pressure regulator, Measurement formula pressure regulator, Tieling formula pressure regulator, meander formula pressure regulator, axial flow pressure regulator etc..They make up structure each other With the deficiency in performance, but since epithelium induction working principle never changes, the working performance of every kind of pressure regulator all exists Intrinsic limitation.

Above-mentioned pressure regulator belongs to purely mechanic semi-automatic regulating device, has a single function, and voltage-regulation voltage-stabilization limitation is big, big flow Outlet pressure sharply declines --- i.e. and the pressure flow static characteristic index of pressure regulator is poor！And it cannot achieve remote automation control System;Epithelium structure is there are weak link maintenance is more frequent, and epithelium is once damaged be easy to cause all kinds of safety accidents.There are also tradition Pressure regulator work normally premise be that must assure that certain preceding pressure (inlet pressure) otherwise equal cisco unity malfunction of pressure regulator； There is traditional pressure regulator not have remote controllability again, it is necessary to Field adjustment disposition etc. of sending a car of sending someone.

Utility model content

The technical problem to be solved by the present invention is to provide a kind of intelligent pressure regulating centers.It can easily realize six big operations Mode: being automatic Regulation mode, automatic current limiting mode, automatic low stream mode, multi-period pressure reservation protocol, multi-period limit respectively Flow reservation protocol, gas gross accumulation mode.There are gas dosing, the functions such as Flexible Safety cutting simultaneously.

In order to solve the above technical problems, the utility model adopts the following technical solution:

A kind of intelligent pressure regulating center, including voltage-regulating transformer valve body, top base valve pocket component and bottom base valve pocket component, it is described Voltage-regulating transformer valve body lower end is connect by bottom base valve pocket with explosion-proof actuator shell；The upper end of voltage-regulating transformer valve body then passes through top base Valve pocket component is connect with membranous disc component；Bottom base valve pocket component is equipped with lower valve shaft, lower valve head, and the lower end of lower valve shaft is led by sealing Set is connect with electromagnetic linear driver, and the upper end of lower valve shaft is connected with lower valve head；Top base valve pocket component be equipped with upper valve head, on Valve shaft, upper valve head are connect with the lower end of upper valve shaft, and the top of upper valve shaft connects rubber diaphragm and big pallet and fastened by nut；On Spring, spring slide are equipped in pedestal valve pocket, the lower end of spring is packed into spring slide, and the upper end of spring is contacted with big pallet, Guide blot is symmetrically tightened on spring slide in being horizontally disposed with, and guide blot slides in the long hole of top base valve pocket, guiding The overhanging both ends of bolt are contacted with the interior step that pliable pressure adjusts ring, and pliable pressure adjusts ring and top base valve pocket passes through screw thread It matches, rotation pliable pressure adjusts ring can stir guide blot up and down, and the upper and lower displacement of spring slide is driven to change spring Pretightning force；Installation pressure sensor, communication module group and bus terminal in explosion-proof actuator shell back cavity；Explosion-proof actuator shell one Side is equipped with display window gland and pack alloy partition, be equipped in the closed cavity of formation computer main board unit, power supply unit, Electromagnetic linear driver and absolute position transducer；Display button unit is electrically connected with computer main board unit.

The utility model by adopting the above technical scheme, compared with prior art, the feature protruded is:

(1) collection pressure regulator, flowmeter, flow-limiting valve, stop valve, that is, four-in-one are designed at one.

(2) its structure it is simple, it is small in size, light-weight, need not maintenance.

(3) pressure regulation avoids weak link existing for traditional technology not against traditional epithelium, the induction structure of spring, Improve safety.

(4) present apparatus can by pressure sensor monitoring pressure change, according to pressure change by computer main board unit from It is dynamic to complete gas pressure adjusting and stable decompression.

Further optimal technical scheme is as follows:

The rear end cap, which is tightened on explosion-proof apparatus shell, forms explosion-proof connection box, is equipped at explosion-proof actuator shell back cavity Access port, power supply line and control line are introduced wherein by access port.

Explosion-proof connection box further increases the explosion-proof performance of the present apparatus, and access port is arranged, convenient for connection setting conducting wire.

The rear end cap connect limit by lead sealing anti-theft screw with explosion-proof actuator shell, and limitation is illegally arbitrarily torn open It unloads.

By the way that lead sealing anti-theft screw is arranged, it connect rear end cap with explosion-proof actuator shell more stable, and may be implemented one Fixed anti-theft function.

The lower valve head is equipped with rubber valve pad；Upper valve head is equipped with rubber valve pad

By the way that valve pad is arranged, valve head, lower valve head is made to use the better tightness between valve port together.

The upper valve shaft upper end is fastenedly connected with big pallet and rubber diaphragm by fastening nut.

Cavity in the upper membranous disc is condensation of water vapor, and flexible shutoff signal pipe is connected to condensation of water vapor.

By setting condensation of water vapor, flexible shutoff signal pipe, it can make the present apparatus that there is flexible cutting function.

Detailed description of the invention

Fig. 1 is the schematic perspective view of the utility model embodiment；

Fig. 2 is the sectional view along A-A of Fig. 1；

Fig. 3 is the B-B direction cross-sectional view of Fig. 2；

Fig. 4 is the intelligent pressure regulating center control principle drawing of the utility model；

Description of symbols: 1- shares valve port；2- lower valve shaft；3- electromagnetic linear driver；The explosion-proof actuator shell of 4-；5- Wiring entrance；6- lead sealing anti-theft screw；7- communication module group and bus terminal；8- pressure sensor；9- power supply voltage regulation unit；10- Display window gland；11- computer main board unit；12- display button unit；13- seals guide sleeve；Valve head under 14-；15- valve pad；16- Upper valve head；17- top base valve pocket；18- spring；19- rubber diaphragm；The upper membranous disc of 20-；The upper valve shaft of 21-；22- flexibility shutoff signal Pipe；Membranous disc under 23-；24- valve pad；25- voltage-regulating transformer valve body；26- incoming signal pipe；27- exports signal pipe；28- internal battery group； 29- plug wire；30- absolute position transducer；31- bottom base valve pocket；32- spring slide；33- guide blot；34- pressure sensitive Chamber；35- fastening nut；The big pallet of 36-；37- pliable pressure adjusts ring；38- gas sensing coupler；39- pressure scale mark； 40- lead sealing anti-theft screw；41- Far end control signal pipe；42- high-strength bolt；43- rear end cap；44- pack alloy partition.

Specific embodiment

With reference to the accompanying drawings and embodiments, the utility model is further illustrated.

Referring to figures 1-3, a kind of intelligent pressure regulating center is made of voltage-regulating transformer valve body, upper valve sleeve component and lower valve sleeve component.

Voltage-regulating transformer valve body 25, which is equipped with, shares valve port 1, and 25 lower end of voltage-regulating transformer valve body passes through bottom base valve pocket 31 and explosion-proof execution Device shell 4 connects；The upper end of voltage-regulating transformer valve body 25 then passes through top base valve pocket component and connect with membranous disc component；Voltage-regulating transformer valve body Two sides are respectively equipped with incoming signal pipe 26, outlet signal pipe 27.

The lower end for sharing valve port 1 is lower valve head 14, and the upper end for sharing valve port 1 is upper valve head 16.In the same shared valve port 1 On according to sequence gas bottom in and top out from the bottom to top, get on, get off, mechanical job order after first intelligence.

Lower valve sleeve component is equipped with lower valve shaft 2, lower valve head 14, and the lower end of lower valve shaft 2 passes through sealing guide sleeve 13 and electromagnetic linear Driver 3 connects, and the upper end of lower valve shaft 2 is connected with lower valve head 14.

Electromagnetic linear driver 3 drives lower valve shaft 2 vertically moving, so that lower valve head 14 be made to open or close.

Installation pressure sensor 8, communication module group and bus terminal 7 and absolute position in explosion-proof 4 back cavity of actuator shell Sensor 30, rear end cap 43 are tightened on explosion-proof apparatus shell 4 and form explosion-proof connection box.It is equipped at explosion-proof 4 back cavity of actuator shell Access port 5, power supply line and control line are introduced wherein by access port 5.The aperture of explosion-proof actuator shell 4 passes through 29 envelope of plug wire It closes.

Explosion-proof actuator shell 4 is equipped with Far end control signal pipe 41.

By the connection limit of lead sealing anti-theft screw 40 between rear end cap 43 and explosion-proof actuator shell 4, limitation is illegal random It tears open.

Fenestrate gland 10 and pack alloy partition 44 are installed in the other side of explosion-proof actuator shell 4, are formed by closing Cavity in be equipped with computer main board unit 11, power supply unit 9, electromagnetic linear driver 3 and absolute position transducer 30 etc.；It is aobvious Show and be connected between push-button unit 12 and computer main board unit 11 by signal wire, and passes through the centre bore of pack alloy partition 44 With epoxy resin encapsulation.

Gas pressure change in the pipeline of the perception of pressure sensor 8 outlet signal pipe 27.The outlet signal pipe of pressure regulator 27 are connected to the installation cavity of pressure sensor 8, the gas pressure when the Gas Load in outlet side downstream changes, in pipeline Power changes immediately, and the signal that pressure sensor 8 is perceived changes therewith, and sends a signal to computer main board unit 11, computer main board unit 11 issues order-driven lower valve shaft 2 to electromagnetic linear driver 3 and turns on or off lower valve head 14, makes Pressure remains relative constant.

Power supply voltage regulation unit 9 is electromagnetic linear driver 3, pressure sensor 8 and computer main board unit 11, display button list Member 12 is powered.Voltage regulation unit 9 of powering is equipped with internal battery group 28.

Lower valve head 14 is equipped with valve pad 15.Upper valve head 16 is equipped with valve pad 24.

Top base valve pocket component is equipped with upper valve head 16, upper valve shaft 21, and upper valve head 16 is connect with the lower end of upper valve shaft 21, upper valve The top of axis 21 connects big pallet 36 and rubber diaphragm 19, and is fastened by nut 35.Spring 18, spring are equipped in top base valve pocket The lower end of slide 32, spring 18 is packed into spring slide 32, and big pallet 36 is withstood in the upper end of spring 18；Guide blot 33 symmetrically revolves Tightly on spring slide 32, guide blot 33 can slide in the long hole of top base valve pocket 17, and guide blot 33 is in a horizontal state Overhanging both ends are contacted with the interior step that pliable pressure adjusts ring 37, and pliable pressure adjusts ring and passes through screw thread phase with top base valve pocket Cooperation, rotation pliable pressure, which adjusts ring 37, can stir guide blot up and down to drive 32 upper and lower displacement of spring slide and then change Become the pretightning force of spring, the gas pressure intensity in die cavity 34 acts on big pallet to balance each other with the elastic force of spring；Under pressure regulator Membranous disc 23 is connected with the upper surface of top base valve pocket 17 by 8 high-strength bolts 42.

Membranous disc component is equipped with lower membranous disc 23, upper membranous disc 20, and lower membranous disc 23 is with upper membranous disc 20 by being bolted；Rubber diaphragm 19, big pallet 36 is clipped in lower membranous disc 23, among upper membranous disc 20, and big pallet 36 is arranged on rubber diaphragm 19；Upper valve shaft 21 it is upper End forms one by the fastening of fastening nut 35 with big pallet 36 and rubber diaphragm 19；Lower end connect gas sensing coupler 38, on Valve head 16.

Upper membranous disc 20 constitutes closed induction cavity 34, flexible shutoff signal pipe 22 and condensation of water vapor 34 with rubber diaphragm 19 Connection, flexible shutoff signal pipe 22 and outlet pressure signal pipe 27 are connected with the outlet conduit at intelligent pressure regulating center respectively.

Referring to fig. 4 it is found that pressure sensor acquires inlet pressure and outlet pressure simultaneously, converter is by pressure sensor Analog signal carry out digitized processing and be sent into computer main board unit carrying out operation, computer main board unit senses according to outlet pressure The variation of device digital signal judges whether to turn on or off pressure regulator primary valve, and issues number at once by multiple elements design algorithm Word instruction completes expected movement to electromagnetic linear driver 3；To remain and preset export goal pressure phase Unanimously.

The actual position that absolute position transducer 30 records pressure regulator valve port in real time gives computer main board unit, while temperature passes The information of sensor acquisition is also sent to computer main board unit；Computer main board unit calculates gas stream according to the mathematical model of flow Measure

The wired or wireless remote both way communications between host computer are established at intelligent pressure regulating center by DTU, are completed online Real-time data acquisition storage and control comprising the big operational mode of the six of intelligent voltage regulator is automatic Regulation mode respectively, automatic Current-limit mode, automatic low stream mode, multi-period pressure reservation protocol, multi-period current limliting reservation protocol, gas gross accumulation mode Etc., remote failure alarm.

Two-way seamless handover function:

When power outage occurs, after the computer main board unit perception of computer main board unit 11, conversion to internal battery group 28 power supplies；And valve head 14 under 2 enforced opening of lower valve shaft is driven to open pressure regulator by electromagnetic linear driver 3；Common valve at this time Pressure at mouth 1 increases rapidly and acts on gas sensing coupler 38 locks valve shaft 21 and upper control valve head 16 at once；Wink Between switch to mechanical ventilation mode.

And when power is restored, computer main board unit 11 issues instruction to electromagnetic linear driver 3, and lower valve head 14 closes rapidly It closing, shares the pressure at valve port 1 and reduce rapidly, gas sensing coupler 38 separates, and upper control valve head 16 is opened to maximum position, Moment switches to intelligent blowing model, and above process moment in dynamic is automatically performed.

Flexible cutting function:

Flexible cutting, and its quick action emergency valve for being different from traditional sense may be implemented in the present embodiment.

Quick action emergency valve is once cut off must manual reset；Flexibility cutting is the process slowly cut off relatively, and when out It can resume operation automatically again when mouth pressure reduction, without manual reset.Flexibility cutting working principle is as follows:

When outlet pressure increases extremely, outlet pressure passes through flexible shutoff signal pipe 22 into closed gas pressure sensitive Chamber 34, gas pressure act on big pallet 36, to bottom offset and overcome the elastic force of spring with dynamic diaphragm 19, by upper valve shaft 21 to Valve head 16 is controlled in lower promotion, so that rubber sheet gasket 24 is adjacent to share method mouth 1, realizes flexible cutting.

Pressure regulation current limliting, flexible cutting may be implemented in the present embodiment, can greatly reduce the configuration of pressure regulating box, voltage regulating station, subtract The space and volume installed less and cost.

In conclusion the intelligent pressure regulating center that the utility model provides, is to remain to answer on the basis of intelligent voltage regulator It with more than 100 years membranous disc structures and combines together, is mutually backups and supplements from performance；So-called intelligent voltage regulator is exactly completely Under control of the computer, by the main valve of the direct servo pressure regulator of precision digital actuator of itself to complete gas pressure Adjusting and stable decompression device.Its distinguishing feature is to support to transport by software algorithm completely according to pressure sensor signal variation Row.To substitute the automanual epithelium induction technology of machinery of former technology；Therefore, intrinsic physics spy is not incuded by traditional epithelium The limitation of property；Artificial intelligence thinking can be implanted into the CPU of intelligent voltage regulator.It is provided simultaneously with bidirectional remote data communication, history Data storage and inquiry, remote online control；Therefore, have active safety and passive security management function as pressure regulation center, Such as superpressure that occurs in capable of running to combustion gas, power failure, leakage unusual condition are actively disposed, and remote prompts are alarmed.Greatly The real-time of big safety and the dispatch control for promoting gas-fired vacuum furnace, convenience.Fundamentally promote the number of gas enterprise According to the management for changing scientific modernization.And easily realize networking, scientific, intelligentized, systematized management and operation.As The integrated design of pressure regulation central mode dish structure is tantamount to install one monitoring pressure regulator additional in the downstream of intelligent voltage regulator；Even if It will not stop supplying in the case where power failure.

The above is only the preferred feasible embodiment of the utility model, not thereby limits to the power of the utility model Sharp range, it is all with the variation of equivalent structure made by the utility model specification and accompanying drawing content, it is both contained in the utility model Interest field within.

Claims (6)

1. a kind of intelligent pressure regulating center, including voltage-regulating transformer valve body, top base valve pocket component and bottom base valve pocket component, feature exist In: the voltage-regulating transformer valve body lower end is connect by bottom base valve pocket with explosion-proof actuator shell；The upper end of voltage-regulating transformer valve body is then It is connect by top base valve pocket component with membranous disc component；Bottom base valve pocket component is equipped with lower valve shaft, lower valve head, the lower end of lower valve shaft It is connect by sealing guide sleeve with electromagnetic linear driver, the upper end of lower valve shaft is connected with lower valve head；Top base valve pocket component is set Have upper valve head, upper valve shaft, upper valve head is connect with the lower end of upper valve shaft, the top of upper valve shaft connection rubber diaphragm and big pallet and by Nut fastening；Spring, spring slide are equipped in top base valve pocket, the lower end of spring is packed into spring slide, the upper end of spring with Big pallet contact, guide blot are symmetrically tightened on spring slide in horizontally disposed, long hole of the guide blot in top base valve pocket Interior sliding, the overhanging both ends of guide blot are contacted with the interior step that pliable pressure adjusts ring, and pliable pressure adjusts ring and top base Valve pocket is matched by screw thread, and rotation pliable pressure adjusts ring can stir guide blot up and down, is driven the next on spring slide Move the pretightning force for changing spring；Installation pressure sensor, communication module group and bus terminal in explosion-proof actuator shell back cavity；It is explosion-proof Actuator shell side is equipped with display window gland and pack alloy partition, is equipped with computer main board list in the closed cavity of formation Member, power supply unit, electromagnetic linear driver and absolute position transducer；Display button unit is electrically connected with computer main board unit It connects.

2. intelligent pressure regulating center according to claim 1, it is characterised in that: the rear end cap is tightened on explosion-proof apparatus shell Upper formation explosion-proof connection box is equipped with access port, power supply line and control line at explosion-proof actuator shell back cavity and passes through access port introducing Wherein.

3. intelligent pressure regulating center according to claim 2, it is characterised in that: the rear end cap and explosion-proof actuator shell It is connected and is limited by lead sealing anti-theft screw, limit illegal arbitrarily disassembly.

4. intelligent pressure regulating center according to claim 1, it is characterised in that: the lower valve head (14) is equipped with rubber valve Pad；Upper valve head (16) is equipped with rubber valve pad.

5. intelligent pressure regulating center according to claim 1, it is characterised in that: the upper valve shaft upper end and big pallet and rubber Glue film is fastenedly connected by fastening nut.

6. intelligent pressure regulating center according to claim 1, it is characterised in that: gas initially enters the lower end of voltage-regulating transformer valve body The lower valve head by intelligent control is first passed through again by the upper valve head controlled by mechanical membranous disc, is then flowed from the upper end of voltage-regulating transformer valve body Out.