CN208778768U - Liquid level Pneumatic valve and respective negative pressure water system - Google Patents
Liquid level Pneumatic valve and respective negative pressure water system Download PDFInfo
- Publication number
- CN208778768U CN208778768U CN201820799178.0U CN201820799178U CN208778768U CN 208778768 U CN208778768 U CN 208778768U CN 201820799178 U CN201820799178 U CN 201820799178U CN 208778768 U CN208778768 U CN 208778768U
- Authority
- CN
- China
- Prior art keywords
- assembly
- starting
- chamber
- stopping
- diaphragm
- 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.)
- Active
Links
Landscapes
- Fluid-Driven Valves (AREA)
Abstract
The utility model relates to a kind of liquid level Pneumatic valve suitable for drainage by suction system and a kind of drainage by suction systems using this liquid level Pneumatic valve.The Pneumatic valve includes stopping assembly interconnected and starting assembly, the top of the starting assembly links together with the sealed bottom for stopping assembly, the valve body for stopping assembly and starting assembly is respectively equipped with respective sealing column and associated valve seat, the control diaphragm for being divided into pressure chamber and atmospheric chamber is equipped in control chamber room, the pressure chamber of the starting assembly is equipped with starting induction interface tube, the negative pressure source interface for starting assembly connects negative pressure source, and negative pressure valve control interface connects the control terminal of negative pressure valve.The drainage by suction system is equipped with sump, drainpipe and negative pressure valve, is additionally provided with liquid level Pneumatic valve, starting induction tube and stops induction tube, the liquid level Pneumatic valve uses the liquid level Pneumatic valve of the utility model.The utility model does not need electricity consumption, can be according to height of water level Auto-drainage, and easy to use, maintenance cost is low.
Description
Technical field
The utility model relates to a kind of liquid level Pneumatic valves suitable for drainage by suction system and a kind of this liquid level gas control of use
The drainage by suction system of valve.
Background technique
Sump is usually arranged in existing drainage system, and existing water is collected into sump, when the water level in sump reaches
After certain altitude, start the pump of drainage system, water is discharged by drainage system, is then with negative pressure for drainage by suction system
Source substitution pump after the control valve for opening drainage pipeline, is pulled water out as drainage power by negative pressure source, and on drainage pipeline
Control valve can also use negative pressure valve, the movement of negative pressure valve is controlled by external negative pressure signal, negative pressure signal can derive from
Negative pressure source carries out the minor valve in the negative pressure signal connecting tube of negative pressure valve connection with a lesser timer, when the minor valve
After opening, negative pressure valve automatically turns on after obtaining negative pressure signal.
This control mode needs to replace on time using battery as electric energy due to more or less always using electric energy, with
As power supply, then not only wiring bothers alternating current, but also there is the danger of electric leakage.In addition, although the time of timer it is adjustable,
Once setting up, the duty cycle is just fixed, and unlatching/shut-in time of the valve controlled is also just fixed, but the displacement of needs
But be frequently not it is stable, thus also may can frequent occurrence drainage period (time interval) with actual needs be not consistent show
As.
Utility model content
In order to solve the above technical problems, the utility model relates to a kind of suitable for the liquid level Pneumatic valve of drainage by suction system and one
Kind uses the drainage by suction system of this liquid level Pneumatic valve, and the utility model does not need electricity consumption, can be automatic according to height of water level
Draining, and drainage period is adjustable.
The technical solution of the utility model is: a kind of liquid level Pneumatic valve in drainage by suction system, including starting is total
At with stop assembly, the starting assembly is equipped with starting assembly valve body, in the starting assembly valve body equipped with the total coelosis of starting with
And positioned at the intracavitary starting assembly sealing column of the starting assembly, the total coelosis of starting by starting assembly first seal diaphragm and
Start assembly second and seals diaphragm along axially (axis direction of starting assembly sealing column, that is, starting assembly sealing column carry out
Open and close the moving direction of starting assembly sealing pair movement) successively it is divided into starting assembly first chamber, starting assembly control chamber
With starting assembly second chamber, the starting assembly first seals diaphragm and the starting sealing diaphragm of assembly second is annular in shape,
Inner edge is tightly connected the starting assembly sealing column, and outer rim is tightly connected the inner wall of the starting assembly valve body, described to open
It is equipped with starting assembly in dynamic assembly control chamber room and controls diaphragm, in a ring, inner rim sealing connects the starting assembly control diaphragm
The starting assembly sealing column is connect, outer fringe seal connects the inner wall of the starting assembly valve body, by the starting assembly control chamber
The axially spaced starting assembly pressure chamber for the adjacent starting assembly first chamber in room and the adjacent starting assembly second chamber
Starting assembly atmospheric chamber, the starting assembly pressure chamber be equipped with starting induction interface tube, the starting assembly atmosphere chamber
Room is equipped with starting assembly air interface, and the starting assembly sealing column is equipped with starting assembly sealing column through-hole, the starting assembly
The both ends of sealing column are located in the starting assembly first chamber and the starting assembly second chamber, the starting assembly
The both ends of sealing column through-hole are opened on the starting assembly first chamber and the starting assembly second chamber respectively, described in connection
Start assembly first chamber and the starting assembly second chamber, the starting assembly first chamber is equipped with starting the first chamber of assembly
Room mouthful, the starting assembly second chamber are equipped with starting assembly second chamber mouth, the starting assembly first chamber mouth equipped with
The starting assembly sealing column constitutes the starting assembly seal receptacle of starting assembly sealing pair, is located at the starting assembly first chamber
The end of the interior starting assembly sealing column is equipped with the sealing surface to match with the sealing surface on the starting assembly seal receptacle,
The starting assembly sealing pair is normally closed sealing pair (i.e. in the case where the starting assembly, which controls diaphragm two sides, does not have pressure difference
It is in off state), it is close that the starting assembly is equipped in the starting assembly atmospheric chamber and/or the starting assembly pressure chamber
Column reset spring is sealed, for the reset of the starting assembly sealing column described after related external force releases or weakens to a certain extent, institute
It states stopping assembly and is equipped with and stop assembly valve body, the stopping assembly valve body is interior to be equipped with the total coelosis of stopping and be located at described stop always
Stopping assembly sealing column in coelosis, the total coelosis of stopping are sealed diaphragm and are stopped assembly second and sealed by stopping assembly first
Diaphragm (stops the axis direction of assembly sealing column, that is, stops assembly sealing column and carry out opening and closing stopping assembly sealing along axial
The moving direction of pair movement) successively it is divided into stopping assembly first chamber, stop assembly control chamber and stops the second chamber of assembly
Room, the stopping assembly first seals diaphragm and the stopping sealing diaphragm of assembly second is annular in shape, and inner rim is tightly connected institute
It states and stops assembly sealing column, outer rim is tightly connected the inner wall for stopping assembly valve body, in stopping assembly control chamber room
Diaphragm is controlled equipped with assembly is stopped, the stopping assembly control diaphragm is axially spaced for adjacent institute by stopping assembly control chamber
State the stopping assembly pressure chamber for stopping assembly atmospheric chamber and the adjacent stopping assembly second chamber for stopping assembly first chamber
Room, in a ring, inner rim is tightly connected the stopping assembly sealing column to the stopping assembly control diaphragm, and outer fringe seal connects institute
The inner wall for stopping assembly valve body is stated, the stopping assembly pressure chamber, which is equipped with, stops induction interface tube, the stopping assembly atmosphere
Chamber, which is equipped with, stops assembly air interface, and the stopping assembly sealing column, which is equipped with, stops assembly sealing column through-hole, and the stopping is total
It is located in the stopping assembly first chamber and the stopping assembly second chamber at the both ends of sealing column, it is described to stop always
It is opened on the stopping assembly first chamber and the stopping assembly second chamber respectively at the both ends of sealing column through-hole, is connected to institute
It states and stops assembly first chamber and stop assembly second chamber, the stopping assembly first chamber, which is equipped with, stops assembly first chamber
Mouthful, the stopping assembly second chamber, which is equipped with, stops assembly second chamber mouth, and the stopping assembly first chamber mouth is equipped with and institute
It states and stops the stopping assembly seal receptacle that assembly sealing column constitutes stopping assembly sealing pair, be located in the stopping assembly first chamber
The end of the stopping assembly sealing column be equipped with and the sealing surface that matches of sealing surface on the stopping assembly seal receptacle, institute
Stating stopping assembly sealing pair is that normally opened sealing pair (is in the case where the stopping assembly, which controls diaphragm two sides, does not have pressure difference
Open state), stoppings assembly sealing is equipped in the stopping assembly atmospheric chamber and/or the stopping assembly pressure chamber
Column reset spring, it is described for the reset for stopping assembly sealing column described after related external force releases or weakens to a certain extent
Start assembly valve seat and be equipped with negative pressure source interface and negative pressure valve control interface, starting assembly described in the negative pressure source orifice is close
The starting assembly first chamber mouth on the outside of seat is sealed, it is inboard that the negative pressure valve control interface is connected to the starting assembly seal receptacle
The starting assembly first chamber, it is described starting assembly second chamber mouth be connected to it is described stopping assembly seal receptacle on the outside of it is described
Stop assembly first chamber mouth.
A kind of drainage by suction system is equipped with sump, drainpipe and negative pressure valve, is additionally provided with liquid level Pneumatic valve, starting induction
Pipe and stopping induction tube, the sump can be arranged using any form for being suitable for catchmenting and construction, the negative pressure valve in institute
It states on drainpipe, for controlling the on-off of the drainpipe, the import of the drainpipe is located in the sump, the liquid level
Pneumatic valve uses any one liquid level Pneumatic valve disclosed by the utility model, and the starting induction tube and stopping induction tube are perpendicular
Pipe, lower ending opening are located in the sump, and the lower ending opening position of the starting induction tube is higher than the stopping induction tube
Lower ending opening position, the lower ending opening position for stopping induction tube being higher than the entrance location of the drainpipe, the stopping sense
Interface tube is answered to connect the upper end opening for stopping induction tube by corresponding connecting tube, the starting induction interface tube passes through phase
The connecting tube answered connects the upper end opening of the starting induction tube, and the negative pressure valve control interface connects the negative pressure of the negative pressure valve
Control interface, the negative pressure source interface is for connecting negative pressure source.
The utility model can carry out drainage by suction control method using following manner, using disclosed by the utility model
It anticipates a kind of drainage by suction system, according to the working condition of the height of water level control liquid level Pneumatic valve in sump, and then controls negative
The working condition of pressure valve, the hull-borne of control system, i.e. control system carry out draining or without drainings, by controlling institute
State the lower ending opening position of starting induction tube and the difference in height control drainage period of the lower ending opening position for stopping induction tube
Or the bound height for the Well Water Level that catchments, the height of water level signal in the sump by starting induction tube and stop induction tube
Access liquid level Pneumatic valve.
The utility model has the following beneficial effects: liquid level Pneumatic valve can be suitable for more remote not against work about electric power
Outdoor drainage works；It can be drained according to liquid automatic control, the lifting rate in each sump and liquid inlet volume correspond,
By the opening and closing of liquid level Pneumatic valve control negative pressure valve, structure is simple, easy to adjust；It is empty that sealing is formed using liquid level induction tube
Between, fluid pressure is formed into gas pressure, reliable operation will not lead to the problem of sensitivity and functional reliability.
Detailed description of the invention
Fig. 1 is the schematic diagram under the utility model drainage system original state；
Fig. 2 is the schematic diagram under the utility model drainage system open state；
Fig. 3 is the schematic diagram of the utility model liquid level Pneumatic valve；
Fig. 4 is the schematic diagram of the utility model starting assembly；
Fig. 5 is the schematic diagram that the utility model stops assembly.
Specific embodiment
The utility model is described further with reference to the accompanying drawing.
As Figure 1-Figure 5, the liquid level Pneumatic valve for drainage by suction system of the utility model includes starting 2 He of assembly
Stop assembly 1.
As shown in figure 4, the starting assembly is equipped with starting assembly valve body 205, starting is equipped in the starting assembly valve body
Total coelosis and the starting assembly sealing column 203 intracavitary positioned at the starting assembly, the total coelosis of starting is by starting assembly the
One sealing diaphragm 214 and start assembly second seal diaphragm 207 along it is axial (axis direction of starting assembly sealing column, that is,
Starting assembly sealing column open and close the moving direction of starting assembly sealing pair movement) successively it is divided into starting the first chamber of assembly
Room 202, starting assembly control chamber and starting assembly second chamber 208, the starting assembly first seals diaphragm and starting is total
Annular in shape at the second sealing diaphragm, inner rim is tightly connected the starting assembly sealing column, described in outer rim is tightly connected
Start the inner wall of assembly valve body, starting assembly is equipped in starting assembly control chamber room and controls diaphragm 206, the starting assembly
Control diaphragm in a ring, inner rim is tightly connected the starting assembly sealing column, and outer fringe seal connects the starting assembly valve body
Inner wall, by the axially spaced starting assembly pressure chamber for the adjacent starting assembly first chamber of the starting assembly control chamber
The starting assembly atmospheric chamber 212 of room 211 and the adjacent starting assembly second chamber, the starting assembly pressure chamber are equipped with and open
Innervation answers interface tube 210, and the starting assembly atmospheric chamber is equipped with starting assembly air interface 213, the starting assembly sealing
Column is equipped with starting assembly sealing column through-hole 201, and the both ends of the starting assembly sealing column are located at the starting assembly first
In chamber and the starting assembly second chamber, it is total that the both ends of the starting assembly sealing column through-hole are opened on the starting respectively
At first chamber and the starting assembly second chamber, it is connected to the starting assembly first chamber and the second chamber of the starting assembly
Room, the starting assembly first chamber are equipped with starting assembly first chamber mouth, and it is total that the starting assembly second chamber is equipped with starting
At second chamber mouth 218, the starting assembly first chamber mouth is equipped with close with starting assembly sealing column composition starting assembly
Secondary starting assembly seal receptacle 215 is sealed, the end of the starting assembly sealing column in the starting assembly first chamber
Equipped with the sealing surface to match with the sealing surface on the starting assembly seal receptacle, the starting assembly sealing pair is normally closed sealing
Secondary (being in off state in the case where starting assembly control diaphragm two sides do not have pressure difference), the starting assembly atmosphere
It is equipped with the starting assembly sealing column reset spring 204 in chamber and/or the starting assembly pressure chamber, is used for mutually outside the Pass
The reset of power starting assembly sealing column after releasing or weakening to a certain extent
As shown in figure 5, the stopping assembly, which is equipped with, stops assembly valve body 105, it is equipped with and stops in the stopping assembly valve body
Total coelosis and the stopping assembly sealing column 103 intracavitary positioned at the stopping assembly, it is described to stop total coelosis by stopping assembly the
One sealing diaphragm 114 and stop assembly second seal diaphragm 107 along it is axial (stop the axis direction of assembly sealing column, that is,
Stop assembly sealing column to carry out opening and closing the moving direction for stopping the movement of assembly sealing pair) successively it is divided into stopping the first chamber of assembly
Room 102 stops assembly control chamber and stops assembly second chamber 108, and the stopping assembly first seals diaphragm and stops total
Annular in shape at the second sealing diaphragm, inner rim is tightly connected the stopping assembly sealing column, described in outer rim is tightly connected
Stop the inner wall of assembly valve body, is equipped in stopping assembly control chamber room and stops assembly control diaphragm 106, the stopping assembly
Control diaphragm the stopping assembly control chamber is axially spaced for the adjacent stopping assembly atmosphere for stopping assembly first chamber
Chamber 112 and the adjacent stopping assembly pressure chamber 111 for stopping assembly second chamber, the stopping assembly control diaphragm is in ring
Shape, inner rim are tightly connected the stopping assembly sealing column, and outer fringe seal connects the inner wall for stopping assembly valve body, described to stop
Only assembly pressure chamber, which is equipped with, stops induction interface tube 110, and the stopping assembly atmospheric chamber, which is equipped with, stops assembly air interface
113, the stopping assembly sealing column, which is equipped with, stops assembly sealing column through-hole 101, the both ends difference for stopping assembly sealing column
In the stopping assembly first chamber and the stopping assembly second chamber, the both ends for stopping assembly sealing column through-hole
It is opened on the stopping assembly first chamber and the stopping assembly second chamber respectively, is connected to the stopping assembly first chamber
With stop assembly second chamber, the stoppings assembly first chamber is equipped with stopping assembly first chamber mouth, the stopping assembly the
Two chambers, which are equipped with, stops assembly second chamber mouth, and the stopping assembly first chamber mouth is equipped with and the stopping assembly sealing column structure
The stopping assembly at the stopping assembly seal receptacle 115 for stopping assembly sealing pair, in the stopping assembly first chamber
The end of sealing column is equipped with the sealing surface to match with the sealing surface on the stopping assembly seal receptacle, the stopping assembly sealing
Pair is normally opened sealing pair (being open state in the case where the stopping assembly, which controls diaphragm two sides, does not have pressure difference), described
Stop being equipped with the stopping assembly sealing column reset spring 104 in assembly atmospheric chamber and/or the stopping assembly pressure chamber,
For the reset for stopping assembly sealing column described after related external force releases or weakens to a certain extent.
The starting assembly valve seat is equipped with negative pressure source interface 216 and negative pressure valve control interface 217, the negative pressure source interface
The starting assembly first chamber mouth being connected on the outside of the starting assembly seal receptacle, described in negative pressure valve control interface connection
Start the starting assembly first chamber of assembly seal receptacle inboard, the starting assembly second chamber mouth connection is described to be stopped always
At the stopping assembly first chamber mouth on the outside of seal receptacle.
Preferably, the starting assembly first seals diaphragm, starting assembly control diaphragm, starting assembly second and seals film
Piece, stopping assembly first, which seal diaphragm, stop assembly control diaphragm and stop the sealing diaphragm of assembly second, is equipped with annular protrusion,
As a result, during corresponding sealing column moves axially, the annular protrusion on diaphragm can be deformed with sealing column movement to adapt to
The change in location of sealing column, the stress generated due to this deformation or elastic force are much smaller than planar diaphragm because stretching the stress generated
Or elastic force, therefore the obstruction that can significantly reduce or even avoid related diaphragm mobile to sealing column.
The starting assembly first seals diaphragm, starting assembly second seals diaphragm, stops assembly first seal diaphragm and
Stopping the annular protrusion that assembly second seals on diaphragm can be located at backwards to corresponding control chamber side, and the starting assembly controls film
Piece and the annular protrusion for stopping assembly control diaphragm can be located at backwards to relevant pressure chamber side, and this construction is adapted to each chamber
Relative pressure situation, it is smaller to the resistance that sealing column is mobile, act more flexible, and then it is higher to control precision.
The starting assembly first seals diaphragm, starting assembly controls diaphragm, starting assembly second seals diaphragm, it is total to stop
At the first sealing diaphragm, stopping assembly control diaphragm and stopping assembly second seals the inner edge of diaphragm and outer rim can be T-shaped.
Corresponding T-shaped structure is preferably embedded in the inverted T-shaped on corresponding connector (corresponding sealing column or valve interior wall)
In slot (T-slot of inner wide and outer narrow), it is possible thereby to improve the fastness of installation.
T shape edge can be attached to the surface of corresponding connector, by annular press strip from the axial sides of T word by T shape
The broadside extended in the axial direction is pushed down, and is thus achieved a fixed connection and is sealed simultaneously.
The stopping assembly first chamber, stopping assembly control chamber and stopping assembly second chamber are cylindrical, institute
State stop assembly first chamber and it is described stop assembly second chamber diameter preferably it is equal and be less than the stoppings assembly control
The diameter of chamber.
The starting assembly first chamber, starting assembly control chamber and starting assembly second chamber are cylindrical, institute
State starting assembly first chamber and it is described starting assembly second chamber diameter preferably it is equal and be less than the starting assembly control
The diameter of chamber.
The diameter of each control chamber is preferably significantly greater than the diameter of the corresponding first chamber and the second chamber,
For example, 5-15 times of the diameter for the first chamber and the second chamber, be conducive to mention high control precision and sealing in this way
The flexibility of column movement.
The starting assembly air interface and the aperture for stopping assembly air interface can be equal, can not also phase
Deng, it can be by reducing the aperture for stopping assembly air interface, the time for delaying negative pressure valve to close, after appropriate increase sucking
Gas flow in continuous negative-pressure pipeline.
The stopping assembly air interface can directly be connected to atmosphere, can also be connected to by the throttle valve connected big
Gas can delay and control the time of negative pressure valve closing when the throttle valve is arranged by the flow of adjusting throttle valve, fit
When increase sucks the gas flow in subsequent negative-pressure pipeline.
It can be adjusted by the spring ratio of starting assembly sealing column reset spring and stopping assembly sealing column reset spring
With the time delay of control negative pressure valve closing motion, for example, working as, the starting assembly controls chamber and the stopping assembly controlling chamber
Cross-sectional area it is identical when, it is described starting assembly sealing column reset spring and stop assembly sealing column reset spring spring ratio
Can be identical, can also be unequal, when the starting assembly sealing column reset spring and stop assembly sealing column reset spring
When spring ratio is unequal, the starting induction interface tube and stopping induction interface tube be can connect in the same induction tube,
It can be separately connected different induction tubes, when connecting the same induction tube, which is used as starting induction tube simultaneously and stops
Only induction tube, to simplify equipment, by the appropriate selection of associated reset spring force (spring ratio), adjustable and control is negative
The time delay that pressure valve is closed.
When by the way that the throttle valve is arranged in the stopping assembly air interface or by keeping the starting assembly big
The modes such as gas interface and the aperture for stopping assembly air interface are unequal adjust and control the when delay of negative pressure valve closing,
Starting induction tube can be used as simultaneously using the same induction tube and stop induction tube.
The starting assembly sealing column reset spring is preferably arranged on the helical spring of the starting assembly atmospheric chamber,
The assembly sealing column reset spring that stops is preferably arranged on the helical spring for stopping assembly atmospheric chamber.
Opening for hard can be equipped between the starting assembly control diaphragm and the starting assembly sealing column reset spring
Dynamic assembly controls diaphragm pressing plate 209, and the outer rim of the starting assembly control diaphragm pressing plate is preferably placed at the starting assembly control
The inside of annular protrusion on diaphragm, thus the starting assembly sealing column reset spring controls diaphragm by the starting assembly
Pressing plate function controls diaphragm in the starting assembly.
Preferably, the middle section of the starting assembly control diaphragm pressing plate connects with starting assembly control diaphragm
Touching, there are gaps between outer rim position and starting assembly control diaphragm.
It is described to stop that stopping for hard is equipped between assembly control diaphragm and the stopping assembly sealing column reset spring
Only assembly controls diaphragm pressing plate 109, and the outer rim for stopping assembly control diaphragm pressing plate is preferably placed at the stopping assembly control
The inside of annular protrusion on diaphragm, thus the stopping assembly sealing column reset spring controls diaphragm by the stopping assembly
Pressing plate function controls diaphragm in the stopping assembly.
Preferably, the middle section for stopping assembly control diaphragm pressing plate connects with stopping assembly control diaphragm
Touching, there are gaps between outer rim position and stopping assembly control diaphragm.
By the way that control diaphragm pressing plate accordingly is arranged, to guarantee that starting assembly control diaphragm applied force is uniform, avoid spring pair
Diaphragm causes to damage, and does not interfere diaphragm required deformation in sealing column moving process.
Preferably, the starting assembly first chamber, starting assembly control chamber, starting assembly pressure chamber, starting are total
Diaphragm, starting assembly control diaphragm, starting assembly the are sealed at atmospheric chamber, starting assembly second chamber, starting assembly first
Two sealing diaphragms, starting assembly sealing column, stop assembly first chamber, stop assembly control chamber, stop assembly pressure chamber,
Stop assembly atmospheric chamber, stops assembly second chamber, stop the sealing of assembly first diaphragm, stop assembly control diaphragm, stop
It is rotary body that assembly second, which seals diaphragm, stops the main part of assembly sealing column, and axis is same straight line, the starting
Assembly control chamber, starting assembly pressure chamber, starting assembly atmospheric chamber and start assembly control diaphragm composition construction with
The stopping assembly control chamber stops assembly pressure chamber, stops assembly atmospheric chamber and stops assembly control diaphragm composition
Construction mirror symmetry, be thus conducive to simplify construction, facilitate processing so that starting assembly to stopping assembly it is related
Control parameter is identical with control characteristic, is convenient for control design case and operation.
The drainage by suction system of the utility model is equipped with sump, drainpipe and negative pressure valve, is additionally provided with liquid level Pneumatic valve, opens
Dynamic induction tube and stopping induction tube, the sump can be set using any form for being suitable for catchmenting and construction, the negative pressure valve
It sets on the drainpipe, for controlling the on-off of the drainpipe, the import of the drainpipe is located in the sump, institute
Liquid level Pneumatic valve is stated using any one liquid level Pneumatic valve disclosed by the utility model, the starting induction tube and stopping induction tube
It is vertical tube, lower ending opening is located in the sump, and the lower ending opening position of the starting induction tube is felt higher than the stopping
Should pipe lower ending opening position, it is described stop induction tube lower ending opening position be higher than the drainpipe entrance location, it is described
Stop induction interface tube and the upper end opening for stopping induction tube being connected by corresponding connecting tube, the starting incudes interface tube
The upper end opening of the starting induction tube is connected by corresponding connecting tube, the negative pressure valve control interface connects the negative pressure valve
Vacuum cavitations interface, the negative pressure source interface is for connecting negative pressure source.
The drainage by suction control method of the pressure water system of the utility model, using it is disclosed by the utility model any one
Drainage by suction system according to the working condition of the height of water level control liquid level Pneumatic valve in sump, and then controls negative pressure valve
Working condition, the hull-borne of control system, i.e. control system carry out draining or without drainings, by controlling the starting
The difference in height of the lower ending opening position of induction tube and the lower ending opening position for stopping induction tube controlling drainage period or catchments
The bound height of Well Water Level, height of water level signal in the sump is by starting induction tube and stops induction tube and accesses liquid
Position Pneumatic valve.
The liquid level Pneumatic valve enabling signal of the utility model comes from induction tube, and the liquid level in sump rises, in induction tube
Positive pressure is generated, when pressure reaches setting value, negative pressure source and negative pressure valve are connected in Pneumatic valve work, and negative pressure valve is opened, and is arranged
Dirt, collecting well fluid level decline therewith, and induction overpressure also declines, when dropping to setting value, gas control valve breakdown negative pressure gas source, negative pressure
Valve is closed, and blowdown is stopped.
Induction tube is installed in sump, is divided into starting induction tube and is stopped induction tube, starts induction tube and Pneumatic valve
Starting induction interface tube connection stops the stopping induction interface tube connection of induction tube and Pneumatic valve.
The utility model relates to the course of work and working principle are as follows:
Original state: under original state, 2 induction tubes and atmosphere in sump are connected, the starting assembly being attached thereto
Pressure chamber's (starting assembly original state is split) and the pressure chamber (stopping assembly original state to split) for stopping assembly being in
Normal pressure state.In this case, starting assembly part is under the action of its sealing column reset spring, make the sealing surface of sealing column with
Respective valve seat contact, negative pressure gas source interface are activated the cut-off of assembly sealing column with negative pressure valve control interface is connect, and at the same time, stop
Assembly disengages its sealing column with sealing surface of seat under the action of its sealing column reset spring, and negative pressure gas source interface
Stop with connecing negative pressure valve control interface and being activated assembly sealing column, the promotion chamber of negative pressure valve (after connecting negative pressure source, can open negative pressure
Valve) it is communicated with the atmosphere by the medium channel of Liquid level adjusting valve, negative pressure valve is in close state.
Open state: collecting well fluid level rises, and when reaching height T1, stops induction tube and is closed by liquid level, with liquid level
Rise, the pressure increase for the pressure chamber being attached thereto, when liquid level reaches T2, the pressure in pressure chamber is enough to overcome reset
The resistance of spring contacts the sealing column for stopping assembly with valve seat, stops assembly sealing pair and closes, and cutting starts assembly and stops
The air passage of assembly.
Collecting well fluid level rises, and when reaching height Q1, the lower ending opening for starting induction tube is closed by liquid level, with liquid level
Rise, the pressure chamber's pressure increase being attached thereto, when liquid level reaches Q2, the pressure of the power chamber is enough that reset spring is overcome to hinder
Power disengages the corresponding sealing column for starting assembly with sealing surface of seat, and starting assembly is opened, and negative pressure gas source is by being accordingly situated between
Matter channel and promotion chamber, negative pressure valve are opened, and aspirate liquid in sump, collecting well fluid level is begun to decline.
Close, restPose: when collecting well fluid level is lower than Q1, starting induction tube and atmosphere are connected, and are attached thereto
The pressure chamber's pressure decline for starting assembly, under the action of its reset spring, contacts corresponding sealing column with gasket, negative pressure
Source interface is ended with negative pressure valve control interface by sealing column, i.e. cutting negative pressure source.At this point, closing because stopping assembly, start assembly
Dissengaged positions is in the air passage for stopping assembly, negative pressure valve continues to aspirate in sump still in open state, i.e. negative pressure valve
Liquid.
When collecting well fluid level is lower than T1, stops induction tube and atmosphere is connected, the pressure chamber for the stopping assembly being attached thereto
Interior pressure decline, under the action of reset spring, disengages sealing column with valve seat, in this way, the promotion chamber of negative pressure valve is then
It is communicated with the atmosphere by respective media channel, negative pressure valve is in close state.Original state, open state are closed, and restore initial
State completes a duty cycle.
The comparison of the utility model and the prior art: the utility model is according to real-time level, adjust automatically duty cycle.It is dynamic
Power is that the negative pressure gas source having primarily can be used in drainage by suction system without external power supply from system, automatic according to liquid level
Negative pressure valve is controlled to open and close.Negative pressure source of the power in negative pressure system, without external power supply or other power sources.
The starting induction tube and stop induction tube installation height difference H that liquid level Pneumatic valve is related to, for controlling Pneumatic valve work week
Time phase, i.e. H are bigger, and the Pneumatic valve duty cycle is longer, and the amount of liquid in each duty cycle suction sump is also more.Separately
Outside, while negative pressure valve is opened and aspirated, sump also may will continue to influent simultaneously, at this point, liquid level Pneumatic valve can root
According to liquid level, adjust automatically duty cycle, i.e., lifting rate and liquid inlet volume in each sump are corresponded.Opened by Liquid level
It opens/closes.
And existing timing Pneumatic valve, i.e. unlatching/closing of Pneumatic valve, by Timer Controlling, although the time is adjustable, once
It sets up, the duty cycle is just fixed, and unlatching/shut-in time of the negative pressure valve controlled is also just fixed.Well volume of catchmenting becomes
In the case of change, the timing Pneumatic valve working time cannot be changed correspondingly.If the timing Pneumatic valve duty cycle, tune was short, i.e., liquid inlet volume is greater than
Aspiration will cause the continuous ponding of sump, so that overflowing.If timing Pneumatic valve duty cycle tune is long, opened in negative pressure valve
When work, when can not have liquid in sump, and negative pressure valve is continued starting, and causes the waste of negative pressure gas source.Under normal circumstances,
Timing Pneumatic valve need to accordingly adjust the different duty cycles according to the different use occasion in scene.To avoid sump from overflowing,
The long Pneumatic valve duty cycle is usually suitably adjusted, therefore unavoidably causes reactive loss, wastes negative pressure gas source.
Sump alleged by the utility model includes various forms of catchment areas, such as commonly called sump and ponding
Pond etc..
It is disclosed by the utility model it is each preferably with optional technological means, unless otherwise indicated and a preferred or optional skill
Art means are that further limiting for another technological means is outer, can form several different technical solutions in any combination.
Claims (10)
1. a kind of liquid level Pneumatic valve in drainage by suction system, it is characterised in that including starting assembly and stop assembly, institute
It states starting assembly and is equipped with starting assembly valve body, interior be equipped with of the starting assembly valve body starts total coelosis and be located at the starting always
Starting assembly sealing column in coelosis, the total coelosis of starting seals diaphragm by starting assembly first and starting assembly second seals
Diaphragm is successively divided into starting assembly first chamber, starting assembly control chamber and starting assembly second chamber along axial direction, described
Start the sealing diaphragm of assembly first and the starting sealing diaphragm of assembly second is annular in shape, inner rim is tightly connected the starting always
At sealing column, outer rim is tightly connected the inner wall of the starting assembly valve body, is equipped with starting in starting assembly control chamber room
Assembly controls diaphragm, and in a ring, inner rim is tightly connected the starting assembly sealing column, outer rim to the starting assembly control diaphragm
It is tightly connected the inner wall of the starting assembly valve body, starting assembly control chamber is axially spaced for the adjacent starting assembly
The starting assembly atmospheric chamber of the starting assembly pressure chamber of first chamber and the adjacent starting assembly second chamber, the starting
Assembly pressure chamber is equipped with starting induction interface tube, and the starting assembly atmospheric chamber is equipped with starting assembly air interface, described
Start assembly sealing column and be equipped with starting assembly sealing column through-hole, the both ends of the starting assembly sealing column are located at the starting
In assembly first chamber and the starting assembly second chamber, the both ends of the starting assembly sealing column through-hole are opened on institute respectively
Starting assembly first chamber and the starting assembly second chamber are stated, the starting assembly first chamber is equipped with starting assembly first
Chamber port, the starting assembly second chamber are equipped with starting assembly second chamber mouth, and the starting assembly first chamber mouth is equipped with
The starting assembly seal receptacle that starting assembly sealing pair is constituted with the starting assembly sealing column, is located at the first chamber of the starting assembly
The end of the indoor starting assembly sealing column is equipped with the sealing to match with the sealing surface on the starting assembly seal receptacle
Face, the starting assembly sealing pair are normally closed sealing pair, the starting assembly atmospheric chamber and/or the starting assembly pressure chamber
Interior is equipped with the starting assembly sealing column reset spring, and the stopping assembly, which is equipped with, stops assembly valve body, the stopping assembly
Be equipped in valve body and stop total coelosis and the stopping assembly sealing column intracavitary positioned at the stopping assembly, it is described stop total coelosis by
Stopping assembly first, which seals diaphragm and stops the sealing diaphragm of assembly second, to be successively divided into stopping assembly first chamber along axial direction, stops
Only assembly control chamber and stopping assembly second chamber, the stopping assembly first, which seals diaphragm and stops assembly second, seals film
Piece is annular in shape, and inner rim is tightly connected the stopping assembly sealing column, and outer rim is tightly connected the stopping assembly valve body
Inner wall, be equipped in stopping assembly control chamber room and stop assembly and control diaphragm, the stoppings assembly control diaphragm will described in
It is to stop described in the adjacent stopping assembly atmospheric chamber for stopping assembly first chamber and neighbour that it is axially spaced, which to stop assembly control chamber,
The only stopping assembly pressure chamber of assembly second chamber, in a ring, inner rim is tightly connected institute to the stopping assembly control diaphragm
It states and stops assembly sealing column, outer fringe seal connects the inner wall for stopping assembly valve body, and the stopping assembly pressure chamber is equipped with
Stop induction interface tube, the stopping assembly atmospheric chamber, which is equipped with, stops assembly air interface, and the stopping assembly sealing column is set
Have and stop assembly sealing column through-hole, the both ends for stopping assembly sealing column are located at the stopping assembly first chamber and institute
It states and stops in assembly second chamber, the both ends for stopping assembly sealing column through-hole are opened on the first chamber of the stopping assembly respectively
Room and the stopping assembly second chamber, the stopping assembly first chamber, which is equipped with, stops assembly first chamber mouth, the stopping
Assembly second chamber, which is equipped with, stops assembly second chamber mouth, and the stopping assembly first chamber mouth is equipped with close with the stopping assembly
It seals column and constitutes the stopping assembly seal receptacle for stopping assembly sealing pair, the stopping in the stopping assembly first chamber is total
The sealing surface to match with the sealing surface on the stopping assembly seal receptacle is equipped at the end of sealing column, the stopping assembly is close
Secondary envelope is normally opened sealing pair, is equipped with the stopping in the stopping assembly atmospheric chamber and/or the stopping assembly pressure chamber
Assembly sealing column reset spring, the starting assembly valve seat are equipped with negative pressure source interface and negative pressure valve control interface, the negative pressure
Source interface is connected to the starting assembly first chamber mouth on the outside of the starting assembly seal receptacle, and the negative pressure valve control interface connects
Lead to the starting assembly first chamber of starting assembly seal receptacle inboard, described in the starting assembly second chamber mouth is connected to
Stop the stopping assembly first chamber mouth on the outside of assembly seal receptacle.
2. liquid level Pneumatic valve according to claim 1, it is characterised in that the starting assembly first seals diaphragm, starting always
Diaphragm is sealed at control diaphragm, starting assembly second, stopping assembly first seals diaphragm, stops assembly control diaphragm and stops always
Annular protrusion is equipped at the second sealing diaphragm.
3. liquid level Pneumatic valve according to claim 2, it is characterised in that the starting assembly first seals diaphragm, starting always
Diaphragm, which is sealed, at the second sealing diaphragm, stopping assembly first and stops the annular protrusion on the sealing diaphragm of assembly second is located at backwards
Corresponding control chamber side, the starting assembly control diaphragm and the annular protrusion for stopping assembly control diaphragm are located at backwards to corresponding pressure
Power chamber side.
4. liquid level Pneumatic valve according to claim 1, it is characterised in that the starting assembly air interface and the stopping
The equal perhaps unequal stopping assembly air interface in the aperture of assembly air interface is directly connected to atmosphere or by company, institute
The throttle valve connection atmosphere connect.
5. liquid level Pneumatic valve according to claim 1, it is characterised in that the stopping assembly first chamber stops assembly control
Chamber processed and stopping assembly second chamber are cylindrical, the stopping assembly first chamber and the stopping assembly second chamber
Diameter it is equal and be less than it is described stopping assembly control chamber diameter, the starting assembly first chamber, starting assembly control
Chamber and starting assembly second chamber are cylindrical, the starting assembly first chamber and the starting assembly second chamber
Diameter is equal and is less than the diameter of the starting assembly control chamber, when the starting assembly controls chamber and the stopping assembly
When the cross-sectional area of control chamber is identical, the starting assembly sealing column reset spring and stopping assembly sealing column reset spring
Spring ratio is identical or unequal, when the starting assembly sealing column reset spring and stops assembly sealing column reset spring
When spring ratio is unequal, the starting induction interface tube and stopping induction interface tube are connected to the same induction tube or difference
Connect different induction tubes.
6. liquid level Pneumatic valve according to claim 1, it is characterised in that the starting assembly sealing column reset spring is to set
The helical spring in the starting assembly atmospheric chamber is set, the stopping assembly sealing column reset spring is to be arranged in the stopping
The helical spring of assembly atmospheric chamber.
7. liquid level Pneumatic valve according to claim 6, it is characterised in that the starting assembly control diaphragm and the starting
Starting assembly between assembly sealing column reset spring equipped with hard controls diaphragm pressing plate, and the starting assembly controls diaphragm pressing plate
Outer rim be located at the inside of the annular protrusion on the starting assembly control diaphragm, and the starting assembly control diaphragm pressing plate
Middle section and the starting assembly control diaphragm are in contact, outer rim position and the starting assembly control between diaphragm there are
Gap, the starting assembly sealing column reset spring control diaphragm pressing plate by the starting assembly and act on the starting assembly
Control diaphragm.
8. liquid level Pneumatic valve according to claim 7, it is characterised in that the stopping assembly control diaphragm and the stopping
Stopping assembly between assembly sealing column reset spring equipped with hard controls diaphragm pressing plate, and the stopping assembly controlling diaphragm pressing plate
Outer rim be located at the inside of the annular protrusion on the stopping assembly control diaphragm, and described stop assembly control diaphragm pressing plate
Middle section and the stopping assembly control diaphragm are in contact, outer rim position and the stoppings assembly controlling between diaphragm there are
Gap, the stopping assembly sealing column reset spring control diaphragm pressing plate by the stopping assembly and act on the stopping assembly
Control diaphragm.
9. liquid level Pneumatic valve according to claim 1, it is characterised in that the starting assembly first chamber, starting assembly control
Chamber processed, starting assembly pressure chamber, starting assembly atmospheric chamber, starting assembly second chamber, starting assembly first seal film
Piece, starting assembly control diaphragm, starting assembly second seal diaphragm, starting assembly sealing column, stop assembly first chamber, stop
Assembly controls chamber, stops assembly pressure chamber, stop assembly atmospheric chamber, stop assembly second chamber, stop assembly first
Sealing diaphragm stops assembly control diaphragm, stops assembly second to seal diaphragm, stop the main part of assembly sealing column being rotation
Swivel, and axis is same straight line, the starting assembly control chamber, starting assembly pressure chamber, starting assembly atmospheric chamber
The construction and the stopping assembly forming with starting assembly control diaphragm controls chamber, stops assembly pressure chamber, stops assembly
Atmospheric chamber and the construction mirror symmetry for stopping assembly control diaphragm composition.
10. a kind of drainage by suction system, is equipped with sump, drainpipe and negative pressure valve, the negative pressure valve is arranged in the drainpipe
On, the import of the drainpipe is located in the sump, it is characterised in that is additionally provided with liquid level Pneumatic valve, starting induction tube and stops
Only induction tube, the liquid level Pneumatic valve using any liquid level Pneumatic valve of claim 1-9, the starting induction tube with stop
Only induction tube is vertical tube, and lower ending opening is located in the sump, and the lower ending opening position of the starting induction tube is higher than institute
The lower ending opening position for stopping induction tube being stated, the lower ending opening position for stopping induction tube being higher than the import position of the drainpipe
It sets, the upper end opening for stopping induction interface tube and connecting the stopping induction tube by corresponding connecting tube, the starting sense
Interface tube is answered to connect the upper end opening of the starting induction tube by corresponding connecting tube, the negative pressure valve control interface connects institute
The vacuum cavitations interface of negative pressure valve is stated, the negative pressure source interface is for connecting negative pressure source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820799178.0U CN208778768U (en) | 2018-05-28 | 2018-05-28 | Liquid level Pneumatic valve and respective negative pressure water system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820799178.0U CN208778768U (en) | 2018-05-28 | 2018-05-28 | Liquid level Pneumatic valve and respective negative pressure water system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208778768U true CN208778768U (en) | 2019-04-23 |
Family
ID=66148765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820799178.0U Active CN208778768U (en) | 2018-05-28 | 2018-05-28 | Liquid level Pneumatic valve and respective negative pressure water system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208778768U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108488443A (en) * | 2018-05-28 | 2018-09-04 | 万若（北京）环境工程技术有限公司 | Liquid level Pneumatic valve and respective negative pressure water system and drainage by suction control method |
-
2018
- 2018-05-28 CN CN201820799178.0U patent/CN208778768U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108488443A (en) * | 2018-05-28 | 2018-09-04 | 万若（北京）环境工程技术有限公司 | Liquid level Pneumatic valve and respective negative pressure water system and drainage by suction control method |
| CN108488443B (en) * | 2018-05-28 | 2024-01-23 | 万若（北京）环境工程技术有限公司 | Liquid level pneumatic control valve, corresponding negative pressure drainage system and negative pressure drainage control method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108488443A (en) | Liquid level Pneumatic valve and respective negative pressure water system and drainage by suction control method | |
| CN101435518A (en) | Liquid level control valve | |
| CN208778768U (en) | Liquid level Pneumatic valve and respective negative pressure water system | |
| CN208417549U (en) | A kind of Pneumatic emptying valve | |
| CN203948952U (en) | A kind of seal tank of automatic drain | |
| CN104481021B (en) | A kind of sewage collection equipment and method with automatic drainage function | |
| CN103899807B (en) | The low maintenance type pressure release/holding valve of external spring | |
| CN114877078A (en) | Negative pressure angle seat valve for vacuum sewage pipeline | |
| CN112178232A (en) | Vacuum blowoff valve | |
| CN110117978B (en) | Water inlet valve for toilet cistern | |
| CN210716015U (en) | Exhaust valve | |
| CN209473231U (en) | A kind of constant current drip irrigation pipe | |
| CN218063407U (en) | Negative pressure angle seat valve for vacuum sewage pipeline | |
| CN208733776U (en) | A kind of multi-stage sealed drain water seal | |
| CN204745357U (en) | Medical negative pressure suction check valve device | |
| CN206874909U (en) | Pneumatic type saves water trap | |
| CN203784399U (en) | Low-maintenance type pressure relief/sustaining valve provided with external spring | |
| CN211474439U (en) | Liquid level automatic balance control steam-water separator | |
| CN215861844U (en) | Vacuum diaphragm valve | |
| CN108331094B (en) | Gasbag-free pressure water storage barrel | |
| CN219809438U (en) | Diaphragm valve pilot type controller | |
| CN211231598U (en) | Cover plate valve and filter tank with same | |
| CN212318965U (en) | Vacuum source pressure stabilizing system applied to full-automatic pneumatic control device | |
| CN209243891U (en) | Variable pressure floor drain | |
| CN219452957U (en) | Mechanical diaphragm valve controller |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |