CN208935526U - Fluid level controller and its tank level control system - Google Patents
Fluid level controller and its tank level control system Download PDFInfo
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- CN208935526U CN208935526U CN201821535407.4U CN201821535407U CN208935526U CN 208935526 U CN208935526 U CN 208935526U CN 201821535407 U CN201821535407 U CN 201821535407U CN 208935526 U CN208935526 U CN 208935526U
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Abstract
The utility model relates to valve technology fields, more particularly to a kind of fluid level controller and its tank level control system.The fluid level controller includes valve component, flap, spool, floatation element and differential type seal assembly, the flap and the spool are set in valve component, the flap and the spool connect and form chamber between the flap and the valve component, first outlet is opened up on the valve component, channel is opened up on the spool, one end of the differential type seal assembly with the spool to cooperate, and the other end with the floatation element to cooperate；When the floatation element stress floats, the floatation element pushes the differential type seal assembly to seal the channel, to which the flap is mobile so that the fluid level controller is closed, when the floatation element is fallen, the differential type seal assembly and the channel separation, the chamber is connected to the first outlet by the channel, and the flap is mobile so that the fluid level controller is opened.
Description
Technical field
The utility model relates to valve technology fields, more particularly to a kind of fluid level controller and its tank level control system.
Background technique
Fluid level controller is installed on the height in device for storing liquid to control liquid level in device for storing liquid.Fluid level controller root
According to the difference of control mode, the control of electronic type liquid-level switch, float switch control, i.e. ball-cock assembly, liquid level relay control can be divided into
System, Untouched control etc..Fluid level controller is mainly unlatching and closing for control valve, is come with carrying out fluid infusion to device for storing liquid
Realize the control of the height of liquid level.
Float switch control is generally ball-cock assembly, mainly includes the components such as valve component, link assembly and floating ball, floating ball
It is placed in the interior of device for storing liquid, link assembly is connect with floating ball, to drive by the buoyancy of device for storing liquid fluid media (medium) floating
Ball floats, and to realize opening/closing for ball-cock assembly, reaches the Liquid level purpose to fluid media (medium) in device for storing liquid.
For now, existing ball-cock assembly is in seal process, mainly by floating buoyancy offer sealing force, and due to
The buoyancy that floating ball is capable of providing is limited, therefore only increases floating ball volume and using increasing sealing force compared with long connecting rod structure, knot
Structure is complex；Secondly, control valve is opened/is closed by the way of floating ball, link assembly, as long as fluid media (medium) in device for storing liquid
It is slightly lost or uses, ball-cock assembly can be opened, and cause opening/close frequently for ball-cock assembly in this way, seriously affect float switch control
And the service life of valve.
Utility model content
Based on this, it is necessary in view of the above technical problems, provide that a kind of structure is simple, fluid level controller with long service life
And its tank level control system.
In order to achieve the above objectives, the utility model uses following technical proposal:
A kind of fluid level controller, is installed in device for storing liquid, to control the liquid level of fluid media (medium) in the device for storing liquid,
The fluid level controller includes valve component, flap, spool, floatation element and differential type seal assembly, the flap and institute
It states spool to be set in valve component, the flap is connect with the spool, and shape between the flap and the valve component
At chamber, the first outlet for fluid media (medium) outflow is offered on the valve component, offers through-hole on the flap, it is described
Channel is opened up on spool, the through-hole is connected to the channel, one end of the differential type seal assembly to the spool
Cooperation, the other end with the floatation element to cooperate；
When the floatation element stress floats, the floatation element pushes the differential type seal assembly sealing described logical
Road, so that the flap that links is mobile, to close the fluid level controller；
When the floatation element is fallen, the differential type seal assembly and the channel separation, the chamber with it is described
First outlet is connected to by the channel, and the flap is mobile to be opened with opening the fluid level controller.
In this application, by the way that differential type seal assembly is arranged, so that floatation element is by acting on differential type sealing group
Part is unlatched and closed with the mobile realization fluid level controller for controlling the flap.It can be seen that the fluid level controller
Link assembly is eliminated, the movement of flap is controlled by differential type seal assembly, sealing is simple and reliable, while the liquid level control
Device processed low liquid level i.e. open, high liquid level i.e. close, liquid level it is easy to control, structure is simple；Secondly, using two position
Control avoids the fluid level controller and opens/close frequently, extends the service life of fluid level controller.
The differential type seal assembly includes sealing element in one of the embodiments, is offered on the valve component
Installation cavity, the first outlet are connected to the installation cavity, and the sealing element is contained in the installation cavity, and the one of the spool
End is installed in the installation cavity and cooperates with the sealing element, and the other end of the spool protrudes into the through-hole, the valve
Gap is formed between the outer wall of core and the inner wall of the through-hole, and the gap is adjustable.
The first import and second outlet, the chamber are also provided on the valve component in one of the embodiments,
Between first import and the second outlet, the flap has outside and direction towards first import
The inside of the chamber, the surface area on the inside of the flap are greater than the surface area on the outside of the flap.
The fluid level controller further includes tonifying Qi flap in one of the embodiments, and benefit is opened up on the valve component
Air cavity and tonifying Qi hole, the tonifying Qi chamber and first inlet communication, the tonifying Qi flap is intracavitary set on the tonifying Qi, to
Realize the connection or partition between the tonifying Qi hole and first import.
It is understood that by the way that the tonifying Qi flap is arranged, so can control tonifying Qi hole and first import it
Between connection or partition avoid the second outlet to balance the pressure between first import and the second outlet
Interior fluid media (medium) flows backward to first import, causes the pollution of the first entrance fluid media (medium).
The valve component includes valve body, valve deck and valve seat in one of the embodiments, and the valve body is installed on institute
It states on valve seat, the valve deck is covered on the valve seat, and first import and second outlet are opened on the valve body, institute
It states first outlet and the installation cavity is opened on the valve seat.
In one of the embodiments, first entrance be equipped with filter device, the filter device to filter from
The fluid media (medium) that first import enters.
Filter device is set, it can be by the fluid media filtration of the first entrance；Secondly, the setting of filter device is so that described
Fluid level controller can be used separately as control valve, be with a wide range of applications.
The floatation element includes floating drum and solid construction in one of the embodiments, and the solid construction is by institute
State that floating drum is solid, and the density of the solid construction is less than the density of the fluid media (medium).
Existing floating ball is replaced using solid construction, and solid construction fills up the floating drum, it can be to avoid because of fluid
Medium, which enters in floating ball, floating ball rupture perhaps falls off causes buoyancy insufficient or loss of buoyance, is unable to control liquid level, causes to flow
Situations such as body medium overflows.
The fluid level controller further includes control cabinet and control pipe, the floatation element in one of the embodiments,
In the control cabinet, the valve component is set on institute's control cabinet, is opened up on the control cabinet fill the liquid storage
Fluid media (medium) in setting flows into the control hole in the control cabinet, and the control pipe has the highest point being oppositely arranged and minimum
The highest point of point, the control pipe is arranged close to the control hole, and the minimum point of the control pipe is arranged far from the control hole,
It is connected to inside one end of the control pipe and the control cabinet, the other end protrudes into predetermined position in the device for storing liquid.
When the liquid level in device for storing liquid rises to certain altitude, highest point or control hole of the fluid media (medium) from control pipe
Into in the control cabinet, one section of air will be sealed up for safekeeping at this time by controlling in pipe, meanwhile, the floatation element is by buoyancy, differential type
Seal assembly drives flap mobile, so that the fluid level controller is closed；When the liquid level in device for storing liquid drops to predetermined position,
Controlling the air pressure in pipe will reduce, so that siphonage is generated, so that the fluid media (medium) in control cabinet is managed through the control
It flows into device for storing liquid, and then the buoyancy of the floatation element disappears, differential type seal assembly drives flap mobile, so that described
Fluid level controller is opened.By above-mentioned process it is found that by setting control pipe so that the high and low liquid level of the device for storing liquid can be with
Accurate control avoids opening/close frequently for fluid level controller and valve, and the low liquid level of device for storing liquid can be filled according to liquid storage
The different height set is adjusted and controls.
One end of the control pipe is inlet in one of the embodiments, and the other end is liquid outlet, the inlet
Protrude into the bottom in the device for storing liquid and close to the device for storing liquid, the liquid outlet is connected to the control cabinet, it is described into
The position of liquid mouth is between the highest point G and the minimum point L.
The utility model also provides the following technical solutions:
A kind of tank level control system, to control the liquid level in device for storing liquid, including main valve door component and Liquid level
Device, the fluid level controller is to control unlatching and closing for the valve member.
Compared with prior art, the fluid level controller and its tank level control system pass through setting differential type seal assembly,
To which floatation element controls the mobile realization fluid level controller of the flap by acting on differential type seal assembly
It unlatches and closes.As can be seen that the fluid level controller eliminates link assembly, flap is controlled by differential type seal assembly
Mobile, sealing is simple and reliable, while the fluid level controller is opened in low liquid level, closes in high liquid level, the control of liquid level
System is convenient, and structure is simple；Secondly, avoiding opening/close frequently for the fluid level controller using the control of high and low liquid level, extending
The service life of fluid level controller.
Detailed description of the invention
Fig. 1 is the control flow chart of tank level control system provided by the utility model；
Fig. 2 is the structural schematic diagram of tank level control system provided by the utility model；
Fig. 3 is the structural schematic diagram of main valve door component provided by the utility model；
Fig. 4 is the structural schematic diagram of fluid level controller provided by the utility model；
Fig. 5 is enlarged drawing at A in Fig. 4 provided by the utility model；
Fig. 6 is enlarged drawing at B in Fig. 5 provided by the utility model；
Fig. 7 is the structural schematic diagram of control pipe provided by the utility model.
In figure, tank level control system 100, device for storing liquid 101, connecting tube 102, main valve door component 10, main valve body 11, it is main into
Mouthfuls 111, primary outlet 112, main valve clack 12, pilot hole 121, main valve seat 13, main elastic component 14, main chamber 15, fluid level controller 20,
Valve component 21, valve body 211, the first import 211a, second outlet 211b, chamber 211c, tonifying Qi chamber 211d, valve deck 212, tonifying Qi
Hole 212a, valve seat 213, first outlet 213a, installation step 213b, installation cavity 213c, protrusion 2131, flap 22, flap it is outer
Side 221, the inside 222 of flap, through-hole 223, guide pad 224, spool 23, the first end 231 of spool, the second end of spool 232,
Step 233, channel 234, first passage 234a, second channel 234b, elastic component 235, differential type seal assembly 30, sealing element
31, floatation element 40, floating drum 41, solid construction 42, control cabinet 50, control hole 51, control pipe 60, inlet 61, liquid outlet 62,
First bending section 63, the second bending section 64, suck-back device 70, tonifying Qi flap 71, float portion 711, floating trough 711a, tonifying Qi are close
Sealing 712, filter device 80.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
All other embodiment obtained, fall within the protection scope of the utility model.
It should be noted that it can be directly on another component when component is referred to as " being installed in " another component
Or there may also be components placed in the middle.When a component is considered as " being set to " another component, it, which can be, is directly set
Set on another component or may be simultaneously present component placed in the middle.When a component is considered as " being fixed on " another group
Part, it, which can be, is directly anchored on another component or may be simultaneously present component placed in the middle.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein " and/or " include
Any and all combinations of one or more related listed items.
Fig. 1 and Fig. 2 are please referred to, the utility model is for a kind of tank level control system 100, to control in device for storing liquid 101
The liquid level of fluid media (medium) realizes the function of the automatic supply fluid media (medium) of the device for storing liquid 101.Herein, the liquid storage dress
Setting 101 can be pond, water tank, fuel tank etc., and the fluid media (medium) can be the liquid such as water, oil.
The tank level control system 100 includes main valve door component 10 and fluid level controller 20, the main valve door component 10
It is connected on pipeline assembly, the fluid level controller 20 is set in the device for storing liquid 101 and connects with the main valve door component 10
It connects, to control unlatching and closing for the valve member 10.In the present embodiment, the main valve door component 10 is common valve
Door component, for example, the main valve door component 10 can be axial-flow type water control valve, diaphragm type water control valve etc..Certainly, the liquid level control
Device 20 processed also can be used alone, i.e., the fluid level controller 20 is connected on pipeline assembly, passes through the fluid level controller
20 unlatching/closings itself control the liquid level of the device for storing liquid 101.Herein, it is to be understood that the device for storing liquid
The liquid level of fluid media (medium) refers to the height of fluid media (medium) position in device for storing liquid 101 in 101.
In the present embodiment, with the fluid level controller 20 to control the main valve door component 10 open or close for
It illustrates object, is specifically described the structure and control principle of the fluid level controller 20.In the present embodiment, the main valve
Component 10 is axial-flow type water control valve, is connected between the fluid level controller 20 and the main valve door component 10 by connecting tube 102.
Referring to Fig. 3, the main valve door component 10 includes main valve body 11, main valve clack 12, main valve seat 13 and main elastic component
14.The main valve clack 12 is installed in main valve body 11, and main chamber 15 is surrounded between main valve body 11, and the main valve seat 13 is installed
In on the main valve body 11, one end of the connecting tube 102 is connected on the main valve body 11, and is connected with main chamber room 15
It is logical, pilot hole is offered on the main valve clack 12, one end of the main valve needle 14 is installed in the pilot hole, and the main valve
There is gap, the main elastic component 14 is located in main chamber room 15, institute between the outer wall of needle 14 and the inner wall of the pilot hole
The one end for stating main elastic component 14 is resisted against on the main valve clack 12, and the other end is resisted against on the inner wall of main chamber 15.
Further, it is opened on the main valve body 11 with the main import 111 entered for flow of fluid medium and for fluid stream
The primary outlet 112 connecting out and with the device for storing liquid 101.Pilot hole 121 is offered on the main valve clack 12, and by described
Pilot hole 121 will be connected between the main import 111 and main chamber room 15.The fluid level controller 20 passes through the main import
It is connected to and separates to realize the control for controlling the device for storing liquid 101 interior fluid media (medium) liquid level between 111 and the primary outlet 112
System.
Please refer to Fig. 4, Fig. 5 and Fig. 6, the fluid level controller 20 includes valve component 21, flap 22, spool 23, differential
Formula seal assembly 30, floatation element 40, control cabinet 50 and control pipe 60.The flap 22 and spool 23 are set to valve component 21
It is interior, through-hole 223 is offered on the flap 22, one end of the spool 23 is installed in the through-hole 223, the floatation element
40 are set in the control cabinet 50, the differential type seal assembly 30 be set to the control cabinet 50 and the valve component 21 it
Between, described 30 one end of differential type seal assembly and the spool 23 cooperate, and the other end and the floatation element 40 cooperate, thus logical
Crossing the floatation element 40 drives the differential type seal assembly 30 to move, so that the flap 22 is mobile to realize the liquid level control
Device 20 processed unlatches and closes.
The valve component 21 includes valve body 211, valve deck 212 and valve seat 213, the valve body 211 is connected through a screw thread,
The modes such as welded connecting are installed on the valve seat 213, and the valve deck 212 is covered on the valve seat 213.Preferably, at this
In embodiment, it is connected through a screw thread between the valve body 211 and the valve seat 213.
It is opened up on the valve body 211 with the first import 211a entered for fluid media (medium) and for the of fluid media (medium) outflow
Two outlet 211b, the flap 22 are set in the valve body 211,213 three of the flap 22, the valve body 211 and valve seat
Between surround chamber 211c, the first import 211a with external pipeline assembly to connect, to guide fluid media (medium) to enter
The valve body 211, the second outlet 211b are connected to the device for storing liquid 101, so as to flow out from the second outlet 211b
Fluid media (medium) can flow into the device for storing liquid 101, in the present embodiment, by control the movement of the flap 22 to
It controls and is connected to or separates between the first import 211a and the second outlet 211b, to realize the fluid level controller 20
Unlatch and close.
Further, fast plug receptacle is equipped at the first import 211a, the fast plug receptacle with exterior line to match
It closes, to realize the quick connection of exterior line.
The valve seat 213 is equipped with installation step 213b, and the valve body 211 is installed on the installation step 213b.Into
One step, offers installation cavity 213c and with the first outlet 213a gone out for flow of fluid medium on the valve seat 213, described
Chamber 211c is between the first outlet 213a and second outlet 211b, the one end the first outlet 213a and the liquid storage
Device 101 is connected to, and the other end is connected to the installation cavity 213c, the spool 23 be installed on the installation cavity 213c it is interior and with institute
The connection of flap 22 is stated, the differential type seal assembly 30 is installed in the installation cavity 213c to cooperate with the spool 23.Into
One step, the valve seat 213 is equipped with protrusion 2131, opens the installation cavity 213c on the protrusion 2131.
The flap 22 is substantially in " bowl " shape, and the flap 22 is set between the valve body 211 and valve seat 213, described
The opening of flap 22 is arranged towards the valve seat 213.Further, the flap 22 has towards the first import 211a's
Outside 221 and towards the inside 222 of the chamber 211c, the surface area of the inside 222 of the flap is greater than the flap 22
Outside 221 surface area.
The chamber 211c is connected to setting with the first import 211a by the through-hole 223.One end of the spool 23
It protrudes into the through-hole 223, forms gap, and the gap between the outer wall of the spool 23 and the inner wall of the through-hole 223
It is adjustable.It is understood that the gap is throttling passage, the gap can be adjusted from first import
211a enters the pressure of fluid media (medium) in the chamber 211c.And gap is adjustable, can adjust different pressures fluid
Medium enters the chamber 211c, so that the fluid level controller 20 be made to adapt to different pressures system environments；Meanwhile when system pressure
Force value variation, by the adjusting in the gap, can be avoided the pressure of variation to the component in system, such as flap 22, spool 23
Etc. damaging.Preferably, the Liquid level 20 in the utility model can adapt to the pressure system ring of 1MP and its 1MP or more
Border.
Further, the flap 22 is equipped with guide pad 224, and the through-hole 223 is opened on the guide pad 224,
The spool 23 is arranged in the through-hole 223.Herein, the spool 23 also serves as guide part, to be oriented to the flap 22
Movement, keeps the movement of the flap 22 more smooth, stability is more preferable.The spool 23 is substantially in the shape of a rod, the spool 23
Cross section is in T-shape, and the spool 23 has the first end 231 and second end 232 being oppositely arranged, the first end of the spool
231 are installed in the installation cavity 213c and are tightly connected between the installation cavity 213c, and the second end 23 of the spool is worn
Set on the through-hole 223 and protrude into the first import 211a.In 23 outer wall of second end and the through-hole 223 of the spool
The gap is formed between wall.It is understood that changing for the gap can be by the second end 23 of the change spool
Outer diameter realize, i.e., by replacing various sizes of spool 23.
Preferably, there is step 233 on the spool 23, it is described when the spool 23 is installed in installation cavity 213c
Step 233 is resisted against on the protrusion 2131, and then realizes the installation and positioning of the spool 23.
Channel 234 is offered on the spool 23, is connected between the channel 234 and the chamber 211c, with for institute
State the fluid media (medium) outflow of chamber 211c.Further, the inner diameter size in the channel 234 is adjustable, it is to be understood that described
Channel 234 can also can be adjusted as throttling passage, the channel 234 from the fluid media (medium) after chamber 211c outflow
Pressure, and the inner diameter size in the channel 234 is adjustable, can adjust the fluid media (medium) of the different outflow chamber 211c
Pressure further increases the liquid level to cooperate the gap between the outer wall of the spool 23 and the inner wall of the through-hole 223
The ability of the adaptation different pressures system of controller 20；Meanwhile when system pressure value variation, pass through the gap and the channel
234 adjusting can further avoid damage of the pressure of variation to component in system, that is, extend the fluid level controller
20 service life.
Specifically, the channel 234 include first passage 234a and second channel 234b, the first passage 234a and
The inner diameter size of the second channel 234b is adjustable.Certainly, in other embodiments, can be the first passage 234a or
The inner diameter size in one of channel is adjustable in second channel 234b.The first passage 234a is connected to the valve chamber 211c,
One end of the second channel 234b is connected to the first passage 234a, and the other end is used for and the differential type seal assembly 30
With sharing.Preferably, the axis of the first passage 234a is vertically arranged with the second channel 234b axis, certainly, at it
In its embodiment, the axis of the first passage 234a can also be arranged with the second channel 234b axis with out of plumb.
Elastic component 235 is arranged on the spool 23, one end of the elastic component 24 is resisted against on the protrusion 2131, separately
One end is resisted against on the flap 22, and the elastic component 235 is used to reset the flap 22.
The differential type seal assembly 30 includes sealing element 31, and the sealing element 31 is installed in the installation cavity 213c.
Preferably, the cross section of the sealing element 31 is substantially in T-shape, and the installation cavity 213c is stretched out simultaneously in one end of the sealing element 31
Cooperate with the floatation element 40, the other end of the sealing element 31 is to cooperate with the channel 234 to seal the channel
234 be perhaps connected the channel 234 thus realize partition between the first outlet 213a and the chamber 211c or
Connection.It is understood that sealing element 31 described in present embodiment only partially stretches out the installation cavity 213c, the sealing
Part 31 moves in the installation cavity 213c, and the installation cavity 213 has certain guiding role to the sealing element 31, thus
It can guarantee that the cooperation between the sealing element 31 and the channel 234 is even closer and accurate, and can be avoided because of liquid level
Fluctuation leads to problems such as to misplace between sealing element 31 and the spool 20 caused by shaking of floatation element 40 etc..The floatation element
40 include floating drum 41 and solid construction 42, and the solid construction 42 is solid by the floating drum 41, and the solid construction
42 density is less than the density of the fluid media (medium), so that the floating drum 41 can be made to float on liquid under the action of fluid media (medium)
On position.Herein, by filling solid construction 42 in the floating drum 41, thus avoid entering because of fluid media (medium) in floating drum 41,
The rupture of floating drum 41, which perhaps falls off, causes buoyancy insufficient or loss of buoyance, is unable to control liquid level, causes the device for storing liquid 101
Situations such as fluid media (medium) overflows.
Further, the floating drum 41 is substantially cylindrical in shape, and the floating drum 41 is set in the control cabinet 50, the floating drum 41
One end and the sealing element 31 cooperate.When 41 stress of floating drum floats, the floating drum 41 pushes under the action of buoyancy
The sealing element 31 is pushed to seal the channel 234, so that the flap 22 is mobile so that the fluid level controller 20 is closed, when
When the floating drum 41 is fallen, the sealing element 41 is separated with the channel 234, the chamber 211c and the first outlet 213a
It is connected to by the channel 234, the flap 22 is mobile so that the fluid level controller 20 is opened.The solid construction 42 can be with
For high molecular materials such as polystyrene foams.
The control cabinet 50 is substantially cylindrical in shape, and the control cabinet 50 has first to the both ends being oppositely arranged, the control cabinet
50 first end is installed on the valve seat 213 by detachable structure, and second end is set close to the bottom of the device for storing liquid 101
It sets, and the control pipe 60 is connected to the second end of the control cabinet 50.Herein, the detachable structure includes bolt knot
Structure, clamping structure etc..In the present embodiment, the control cabinet 50 is installed on the valve seat 213 by bolt arrangement.
Further, the control cabinet 50 is equipped with close to one end of the valve seat 213 with for the stream in device for storing liquid 101
Body medium flows into the control hole 51 in the control cabinet 50, so that the fluid media (medium) liquid level in device for storing liquid 101 rises to control
When drilling 51, fluid media (medium) flow into control cabinet 50 in, thus the floating drum 41 float under the action of buoyancy it is described close to push
Sealing 31 seals the channel 234 so that the fluid level controller 20 close so that the main valve door component 10 close with
Stop the fluid injection in the device for storing liquid 101.
In the present embodiment, the position of the control hole 51 can be according in the device for storing liquid 101 that need to actually control
Fluid media (medium) liquid level and be arranged.It is understood that when the fluid media (medium) in the device for storing liquid 101 enters from control hole 51
When 50 in control, i.e., the described main valve door component 10 is shut off and stops the fluid injection in the device for storing liquid 101, at this time the liquid storage
The liquid level of fluid media (medium) is highest liquid level in device 101.Therefore, by the way that the control cabinet 50 and floatation element 40 is arranged, from
And the liquid level of fluid media (medium) in the device for storing liquid 101 can be flexibly controlled according to different operating conditions.
The control pipe 60 is round tube or shape tube, and the control pipe 60 has the highest point G that is oppositely arranged and minimum
The highest point G of point L, the control pipe 60 be arrangeds close to the control hole 51, and the minimum point L for controlling pipe 60 is far from the control
Drilling 51 is arranged, and is connected to inside one end of the control pipe 60 and the control cabinet 50, the other end protrudes into the device for storing liquid 101
Interior predetermined position.
Herein, it is to be understood that it is pre- in predetermined position, that is, device for storing liquid 101 in the device for storing liquid 101
If minimum liquid level position.And when in the position, floating drum 41 falls, and the chamber 211c passes through with the first outlet 213a
The channel 234 is connected to, and the flap 22 is mobile to open the fluid level controller 20, to control the main valve door component 10
It opens, and then the fluid replacement medium in the device for storing liquid 101.
The highest point G of the control pipe 60 can be higher than the position of the control hole 51, can also be than the control hole 51
Position it is low.In the present embodiment, the highest point G of the control pipe 60 is higher than the position of the control hole 51.
When the liquid level in device for storing liquid 101 rises to certain altitude, fluid media (medium) from control pipe 60 highest point G or
Control hole 51 enters in the control cabinet 50, at this point, one section of air will be sealed in the control pipe 60 up for safekeeping, meanwhile, the floating drum
41 are sealed the channel 234 by sealing element 31 described in buoyancy, so that the flap 22 is mobile, so that the fluid level controller
20 close；When the liquid level in the device for storing liquid 101 drops to predetermined position, since the volume in the control pipe 60 becomes larger,
To which the air pressure of air in the control pipe 60 will reduce, so that siphonage is generated, so that the fluid in the control cabinet 50
Medium flows into device for storing liquid 101 through the control pipe 60, and then the buoyancy received described in the floating drum 41 disappears, sealing element 31 with
The channel 234 separates, so that the flap 22 is mobile, so that the fluid level controller 20 is opened.In the present embodiment, pass through
Control pipe 60, which is arranged, controls the high and low liquid level of the device for storing liquid 101 accurately, avoids fluid level controller 20 and master
Opening/close frequently for valve member 10, extends at least 10 times of service life of fluid level controller 20 and main valve door component 10, and
The low liquid level of device for storing liquid 101 can be adjusted and control according to the different height of device for storing liquid 101；Secondly, avoiding liquid
Level controller 20 and main valve door component 10 are opened/are closed frequently, so that the fluctuation of the pressure medium of fluid media (medium) in pipeline is reduced,
Noise is not only reduced, and the fluid media (medium) in device for storing liquid 101 is always in high liquid level, is easily formed in the bottom of device for storing liquid 101
The secondary pollution of fluid media (medium) in device for storing liquid 101 is caused in slough, and it is very reasonable to be arranged.
Herein, the siphonage refers to the effect force phenomenon using liquid level difference, so that in control cabinet 50
Fluid media (medium) through the control pipe 60 flow into device for storing liquid 101 in.
In the present embodiment, due to it is described control pipe 60 fluid media (medium) circulation area be it is certain, change the control
The highest point position G of tubulation 60, it can change the air capacity that can be sealed up for safekeeping in the control pipe 60, and then change the control
Air pressure in tubulation 60, so that height is just different when siphon caused by the control pipe 60, and thus to adjust the storage
The height of liquid level in liquid device 101.
Referring to Fig. 7, described 60 one end of control pipe is inlet 61, the other end is liquid outlet 62, and the inlet 61 is stretched
Enter in the device for storing liquid 101 and close to the bottom of the device for storing liquid 101, the liquid outlet 62 connects with the control cabinet 50
Logical, the fluid media (medium) of the device for storing liquid 101 enters in the control cabinet 50 through the inlet 61.
Further, control pipe 60 can be round tube or other shape tubes, the control pipe 60 including the first bending section 63 and
Second bending section 64, the bending direction of first bending section 63 and the bending direction of second bending section 64 are disposed opposite to each other.
Specifically, first bending section 63 is substantially in U-typed, and second bending section 64 is also substantially in " U ", first bending section
63 direction of U-typed opening is disposed opposite to each other with " U " of second bending section 64 direction being open.
Preferably, the bending direction of first bending section 63 is bent towards 101 bottom of device for storing liquid, described second
The bending direction in portion 64 deviates from 101 bottom of device for storing liquid, and the position in the knee of first bending section 63 is highest
Point G, the position in the knee of second bending section 64 are minimum point L, and the position the highest point G is higher than the liquid outlet 62
Position.
It will be appreciated that being flowed when the fluid media (medium) in the control cabinet 50 rises to the liquid outlet 62 of control pipe 60
Body medium enters from inlet 61 and rises to the height of the liquid outlet 62, and fluid media (medium) is through described in the liquid outlet 62 entrance
Control in pipe 60, and at this point, since the position height between highest point G and liquid outlet 62 is poor, thus the control pipe 60 just
One section of air can be sealed up for safekeeping；When the liquid level decline of fluid media (medium) in device for storing liquid 101, the air in the control pipe 60 is sealed up for safekeeping
Can slowly be had loose bowels thin (liquid level in control pipe also declines therewith, and space increases), so that siphonage is generated, so that control cabinet
Fluid media (medium) in 50 flows into device for storing liquid 101 through the control pipe 60, and then floating drum 41 falls.
Certainly, in other embodiments, the control pipe 60 can also be its structure, as long as can be realized, purpose is i.e.
Can, i.e., it, can be by the fluid media (medium) suck-back in the automatic control cabinet 50 to institute when liquid level declines in the device for storing liquid 101
It states in device for storing liquid 101.
The fluid level controller 20 further includes suck-back device 70 and filter device 80, and the suck-back device 70 is set to
Between the valve body 211 and the valve deck 212, to prevent the fluid media (medium) in the second outlet 211b to be back to described
One import 211a, the pollution for the fluid media (medium) for causing the first import 211a to go out；The filter device 80 is set to described first
At import 211a, to filter the flow medium for flowing through the first import 211a.
Please continue to refer to Fig. 5, it is also provided with tonifying Qi chamber 211d on the valve body 211, the tonifying Qi chamber 211d and described the
One import 211a connection.The valve deck 212 is covered at the tonifying Qi chamber 211d, and tonifying Qi hole 212a is opened up on the valve deck 212,
The tonifying Qi hole 212a is connected to external pressure.The suck-back device 70 includes tonifying Qi flap 71, and the tonifying Qi flap 71 is pacified
Loaded in the tonifying Qi chamber 211d, to cooperate with the tonifying Qi hole 212a, to realize the tonifying Qi hole 212a and described first
Connection or partition between import 211a.When fluid media (medium) is flowed into from the first import 211a, flowed out by second outlet 211
When, the tonifying Qi flap 71 makes the tonifying Qi flap 71 mobile under the buoyancy of fluid media (medium) and by the tonifying Qi hole 212a
Sealing；When the fluid media (medium) liquid level in the device for storing liquid 101 is more than that the second outlet 211 makes in the first import 211a
When occurring in negative pressure or the first import 211a without fluid media (medium), the buoyancy of fluid media (medium) disappears at the first import 211a
It loses, so that tonifying Qi flap 71 is fallen, so that the first import 211a is connected to external pressure, to prevent described second to go out
Fluid media (medium) at mouth 211 is back to the first import 211a, pollutes.
Further, the tonifying Qi flap 71 includes float portion 711 and tonifying Qi sealing element 712, the tonifying Qi sealing element
712 are installed in the float portion 711, offer floating trough 711a in the float portion 711, to increase the float portion 711
Forced area make to seal relatively reliable to increase the sealing force for sealing the tonifying Qi hole 212a.
The filter device 80 includes filter screen or filter etc., and the filter screen has stainless steel material processing and manufacturing.
Herein, the setting of filter device 80 has extensive so that the fluid level controller 20 can be used separately as control valve
Application prospect.
The working principle of the fluid level controller 20 is described below:
(1) original state: the main valve door component 10 is in the closed position under the action of main spring；The floating drum 41 by
The gravity of itself is fallen in the control cabinet 50, and the valve chamber 211c is connected by the channel 234 with the first outlet
Logical, the fluid level controller 20 is in the open state.
(2) 10 opening process of main valve door component: when fluid media (medium) enters for the first time, fluid media (medium) in pipeline is from primary valve
111 enter main chamber 15 by pilot hole 121, flow through connecting tube 102 to the fluid level controller 20, due to original state, institute
It is in the open state to state fluid level controller 20, therefore, fluid media (medium) enters from the first import 211a, and goes out from described second
Mouth 211b is flowed out in device for storing liquid 101；Meanwhile the fluid media (medium) of part through the through-hole 223, chamber 211c, channel 234 with
And the first outlet 213a is flowed out in device for storing liquid 101；At this point, in main chamber 15 without fluid medium pressure, and flowing
Under the action of body medium pressure itself, the main valve clack 12 is mobile, and the main valve door component 10 is turned on, and fluid media (medium) is from described
Primary outlet 112 flows into the device for storing liquid 101.
(3) 10 closing process of main valve door component: when the liquid level in device for storing liquid 101 rises to highest liquid level, the storage
Fluid media (medium) in liquid device 101 by the control hole 51 on the control cabinet 50 or controls pipe 60 into the control cabinet 50
It is interior；At this point, buoyancy of the floating drum 41 by fluid media (medium), drives the sealing element 31 to seal the channel 234, with the chamber
Fluid media (medium) is constantly filled in 211c, the pressure in the chamber 211c constantly increases and the surface of the inside 222 of the flap
Product be greater than the flap 22 outside 221 surface area, when the fluid media (medium) in the chamber 211c pressure reach one timing,
Fluid medium pressure in the chamber 211c pushes the flap 22 to move to close the fluid level controller 20；
When the fluid level controller 20 is closed, it is constantly filled with fluid media (medium) in main chamber room 15, with main chamber
Fluid medium pressure in room 15 constantly increases, and the fluid medium pressure in main chamber 15 pushes the main valve clack 12 to move, and
The main valve door component 10 is closed.
(4) the Liquid level process of the device for storing liquid 101: when the liquid level in the device for storing liquid 101 peaks
When, the fluid level controller 20 is closed, so that main valve door component 10 is also switched off, which closes in above-mentioned main valve door component 10
It closes process to describe in detail, then this is not just being repeated；
When the liquid level in the device for storing liquid 101 touches the bottom, first with the liquid level in the device for storing liquid 101
Decline generate siphonage between the control cabinet 50 and the device for storing liquid 101 when liquid level drops to predetermined position,
Fluid media (medium) in the control cabinet 50 is sucked into the device for storing liquid 101 by the control pipe 60, thus, the floating drum
Buoyancy suffered by 41 disappears, and the floating drum 41 falls, and the sealing element 31 is separated with the channel 234, so that the chamber
211c is connected to by the channel 234 with the first outlet 213a, so that the fluid medium pressure of chamber 211c is through described
One outlet 213a is drawn off, and then the flap 22 moves under the fluid medium pressure effect of the first import 211a, so that
The fluid level controller 20 is opened, and in turn, the main valve door component 10 is opened, into cyclic process, to realize the liquid level control
Unlatching and closing for the 20 control main valve door component 10 of system, reaches the control of fluid media (medium) liquid level in the device for storing liquid 101.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (10)
1. a kind of fluid level controller, is installed in device for storing liquid, to control the liquid level of fluid media (medium) in the device for storing liquid,
It is characterized in that, the fluid level controller includes valve component, flap, spool, floatation element and differential type seal assembly, described
Flap and the spool are set in valve component, and the flap is connect with the spool, and the flap and the valve body group
Chamber is formed between part, and the first outlet for fluid media (medium) outflow is offered on the valve component, is offered on the flap
Through-hole opens up channel on the spool, and the through-hole is connected to the channel, one end of the differential type seal assembly to
The spool cooperation, the other end with the floatation element to cooperate；
When the floatation element stress floats, the floatation element pushes the differential type seal assembly to seal the channel,
To which the flap that links is mobile, to close the fluid level controller；
When the floatation element is fallen, the differential type seal assembly and the channel separation, the chamber and described first
Outlet is connected to by the channel, and the flap is mobile to be opened with opening the fluid level controller.
2. fluid level controller according to claim 1, which is characterized in that the differential type seal assembly includes sealing element,
Installation cavity is offered on the valve component, the first outlet is connected to the installation cavity, and the sealing element is contained in described
In installation cavity, one end of the spool is installed in the installation cavity and cooperates with the sealing element, the other end of the spool
It protrudes into the through-hole, forms gap between the outer wall of the spool and the inner wall of the through-hole, and the size in the gap can
It adjusts.
3. fluid level controller according to claim 2, which is characterized in that be also provided with the first import on the valve component
And second outlet, between the first outlet and the second outlet, the flap has towards described the chamber
The outside of one import and towards the inside of the chamber, the surface area on the inside of the flap is greater than the surface on the outside of the flap
Product.
4. fluid level controller according to claim 3, which is characterized in that the fluid level controller further includes tonifying Qi flap,
Tonifying Qi chamber and tonifying Qi hole, the tonifying Qi chamber and first inlet communication, the tonifying Qi flap are opened up on the valve component
It is intracavitary set on the tonifying Qi, to realize connection or partition between the tonifying Qi hole and first import.
5. fluid level controller according to claim 3, which is characterized in that the valve component include valve body, valve deck and
Valve seat, the valve body are installed on the valve seat, and the valve deck is covered on the valve seat, first import and second outlet
It is opened on the valve body, the first outlet and the installation cavity are opened on the valve seat.
6. fluid level controller according to claim 3, which is characterized in that first entrance is equipped with filter device, institute
Filter device is stated to filter the fluid media (medium) entered from first import.
7. fluid level controller according to claim 1, which is characterized in that the floatation element includes floating drum and solid knot
Structure, the solid construction is solid by the floating drum, and the density of the solid construction is less than the density of the fluid media (medium).
8. fluid level controller according to claim 1, which is characterized in that the fluid level controller further include control cabinet and
Control pipe, the floatation element are set in the control cabinet, and the valve component is set on institute's control cabinet, are opened on the control cabinet
If to make the fluid media (medium) in the device for storing liquid flow into the control hole in the control cabinet, the control pipe has opposite set
The highest point of the highs and lows set, the control pipe is arranged close to the control hole, and the minimum point of the control pipe is remote
It is arranged from the control hole, is connected to inside one end of the control pipe and the control cabinet, the other end protrudes into the device for storing liquid
Interior predetermined position.
9. fluid level controller according to claim 8, which is characterized in that one end of the control pipe is inlet, another
End is liquid outlet, and the inlet protrudes into the bottom in the device for storing liquid and close to the device for storing liquid, the liquid outlet with
The control cabinet connection, the position of the inlet is between the highest point G and the minimum point L.
10. a kind of tank level control system, to control the liquid level in device for storing liquid, which is characterized in that including main valve door component with
And fluid level controller, the fluid level controller are adopted to control unlatching and closing for the valve member, the fluid level controller
With fluid level controller as described in any one of claims 1-9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821535407.4U CN208935526U (en) | 2018-09-19 | 2018-09-19 | Fluid level controller and its tank level control system |
| CN201822207567.2U CN210716222U (en) | 2018-09-19 | 2018-09-19 | Axial-flow type water control valve and liquid level control system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821535407.4U CN208935526U (en) | 2018-09-19 | 2018-09-19 | Fluid level controller and its tank level control system |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822207567.2U Division CN210716222U (en) | 2018-09-19 | 2018-09-19 | Axial-flow type water control valve and liquid level control system thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208935526U true CN208935526U (en) | 2019-06-04 |
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ID=66721630
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822207567.2U Active CN210716222U (en) | 2018-09-19 | 2018-09-19 | Axial-flow type water control valve and liquid level control system thereof |
| CN201821535407.4U Active CN208935526U (en) | 2018-09-19 | 2018-09-19 | Fluid level controller and its tank level control system |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822207567.2U Active CN210716222U (en) | 2018-09-19 | 2018-09-19 | Axial-flow type water control valve and liquid level control system thereof |
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| CN (2) | CN210716222U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109099202A (en) * | 2018-09-19 | 2018-12-28 | 安徽红星阀门有限公司 | Fluid level controller and its tank level control system |
-
2018
- 2018-09-19 CN CN201822207567.2U patent/CN210716222U/en active Active
- 2018-09-19 CN CN201821535407.4U patent/CN208935526U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109099202A (en) * | 2018-09-19 | 2018-12-28 | 安徽红星阀门有限公司 | Fluid level controller and its tank level control system |
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| Publication number | Publication date |
|---|---|
| CN210716222U (en) | 2020-06-09 |
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