CN106768125B - A kind of electronics soap film flowmeter steeped from movable property - Google Patents
A kind of electronics soap film flowmeter steeped from movable property Download PDFInfo
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- CN106768125B CN106768125B CN201710068643.3A CN201710068643A CN106768125B CN 106768125 B CN106768125 B CN 106768125B CN 201710068643 A CN201710068643 A CN 201710068643A CN 106768125 B CN106768125 B CN 106768125B
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- soap
- pipe
- liquid storage
- photoelectric sensor
- liquid level
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- 239000000344 soap Substances 0.000 title claims abstract description 120
- 239000007788 liquid Substances 0.000 claims abstract description 120
- 239000012530 fluid Substances 0.000 claims abstract description 24
- 230000033228 biological regulation Effects 0.000 claims abstract description 10
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 15
- 239000003292 glue Substances 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 12
- 210000002683 foot Anatomy 0.000 claims description 10
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 7
- 239000010962 carbon steel Substances 0.000 claims description 7
- 239000010935 stainless steel Substances 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- -1 polytetrafluoroethylene Polymers 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 230000009467 reduction Effects 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 210000005239 tubule Anatomy 0.000 claims description 3
- 239000000696 magnetic material Substances 0.000 claims description 2
- 210000003205 muscle Anatomy 0.000 claims 1
- 230000005622 photoelectricity Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 13
- 238000005259 measurement Methods 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 10
- 230000007423 decrease Effects 0.000 abstract description 4
- 230000009471 action Effects 0.000 abstract description 3
- 238000013016 damping Methods 0.000 abstract description 2
- 239000010408 film Substances 0.000 description 46
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000011521 glass Substances 0.000 description 4
- 239000002775 capsule Substances 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000004851 dishwashing Methods 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 230000035935 pregnancy Effects 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F11/00—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it
- G01F11/02—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with measuring chambers which expand or contract during measurement
- G01F11/08—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with measuring chambers which expand or contract during measurement of the diaphragm or bellows type
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F11/00—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it
- G01F11/006—Details or accessories
Abstract
The present invention provides a kind of electronics soap film flowmeter steeped from movable property, belongs to flow measurement technical field.The flowmeter supports system, photoelectric sensor system, liquid level jacking system and five part of Liquid Level Regulation System to form by soap pipe, soap pipe.Magnetic force is generated through multiturn coil using DC current, it is combined with spring own resilient, by pushing and pulling the rise and fall of magnetic push-pull bar, weight is driven to immerse and emersion liquid, liquid level is lifted and settled according to Archimedes' principle, causes the fluctuation of soap intraluminal fluid bit period.Due to the damping action of connecting tube, liquid level rise and fall speed is slow, makes tested gas source have the sufficient time to contact with soap lye, when liquid level declines, originally forms thin soap bubble, liquid level continues to decline, and soap bubble is gradually grown up, and finally separates to form soap-film with liquid level.The process can be automatically controlled by host computer or chip microcontroller.
Description
Technical field
The present invention relates to flow measurement technical fields, particularly relate to a kind of electronics soap film flowmeter steeped from movable property.
Background technique
Soap film flowmeter is the volumetric flowmeter measured using the volume between soap-film and soap-film to gas flow,
It needs accurately to measure the initial time of former and later two soap-films and terminates the time, generally use and directly read scale and manual timing reality
It is existing.Electronics soap film flowmeter is the one kind for being mounted with pairs of photoelectric sensor on direct-reading glass tube soap film flowmeter and being formed
The device that minute gas flow can be measured overcomes since human eye is directly read, hand pinches the defect that manual time-keeping brings error,
Measurement accuracy is improved, meanwhile, operating procedure is simplified, measurement efficiency is improved.Institute's measurement of discharge range is 12~60L/min.
It is widely used in the fields such as teaching and scientific research, environmental monitoring, physico-chemical analysis.
The error of soap film flowmeter mostlys come from measurement and process control, although electronics soap film flowmeter realizes soap-film
Automatic monitoring, but produce bubble automatic control in terms of still without any improvement.Such as: electronics soap film flowmeter still needs to very important person
Bubble is produced to squeeze the capsule of lower part, soap bubble will appear bulk deposition phenomenon when squeezing out out of capsule, " cluster " shape is formed, rather than
Thin film；Soap pipe needs to remove wetting before use, and wetting finishes ressembles again, or capsule is removed and is moistened in place
It is wet, a large amount of soap lye water clocks are caused, manual operation is cumbersome；Rubber bag tank is easy to slip away Y-pipe and leakage when measurement, is forced middle stopping pregnancy
Bubble；During producing bubble, since operator is accustomed to difference, the frequency that soap-film generates is different, and wetness degree inside soap pipe is caused to become
Change larger, the variation of resistance that soap-film uphill process is subject to is obvious, influences the accuracy of flow measurements.These control processes cause
Error can not be solved by the measurement of photoelectric sensor.Meanwhile as a kind of scientific research and engineering detecting tool, adopted in data
Collection, record are also required to realize and automatically control with analysis, information sharing etc..Therefore, how the key to solve the above problems is
Realize continual and steady generation soap-film, substitution operator squeezes the movement of rubber bag tank.Apparatus of the present invention be related to it is a kind of from movable property steep
Electronics soap film flowmeter.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of electronics soap film flowmeter steeped from movable property, which has electricity
Driving mechanism can receive the condition control that electric signal produce bubble process, the liter of soap intraluminal fluid position is completed using mechanical structure
Drop, thus realize the continuous operation process of vulnerabilities scan signal, executing agency, height of liquid level, the automation control of finishing device,
The deficiency of control can only be measured and can not achieve by compensating for existing photoelectric sensor, be provided for experimental study and engineer application
Technical guarantee.
The flowmeter is flexible using electromagnetic mechanism control push-pull rod, by adjusting push-pull rod end weight and liquid storage pipe liquid
Distance between face is based on Archimedes' principle, reasonably adjusts the flow resistance of pipe passage between soap pipe and liquid storage pipe, controls liquid storage
Intraluminal fluid position height realizes the slow lifting of soap intraluminal fluid position, guarantees speed and film forming of the soap intraluminal fluid position during decline
Speed matches, to form uniform soap-film.
The device includes soap pipe, soap pipe support system, photoelectric sensor system, liquid level jacking system and Liquid Level Regulation System；
Wherein, soap pipe upper end is provided with gas outlet, and soap pipe lower side is provided with air inlet；Soap pipe support system include column,
Pedestal, foot pad, upper bracket, lower bracket and bracket, photoelectric sensor system include that photoelectric sensor transmitting terminal one, photoelectric sensor connect
Receiving end one, photoelectric sensor transmitting terminal two and photoelectric sensor receiving end two, column is connected with pedestal, and pedestal lower part is uniformly distributed
Four foots pad, foot pad are bonded in base bottom by seccotine, and wearing with perps is respectively adopted in upper bracket, lower bracket and bracket
Hole is connected with column, and upper bracket, lower bracket and bracket can slide up and down, and one He of photoelectric sensor transmitting terminal is housed on upper bracket
Photoelectric sensor receiving end one is equipped with photoelectric sensor transmitting terminal two and photoelectric sensor receiving end two, photoelectric transfer on lower bracket
Sensor transmitting terminal one, photoelectric sensor receiving end one, photoelectric sensor transmitting terminal two and photoelectric sensor receiving end two-way are too strong
Power glue sticking on upper bracket and lower carriage, is provided with circular hole among bracket, soap bottom of the tube tubule is inserted into circular hole, and soap pipe top is coarse
Part can not pass through circular hole；
Liquid level jacking system include connection hose, top bolt, push-pull rod, spring, electromagnetic coil, bottom latch, weight,
Liquid storage pipe, liquid storage pipe leakage fluid dram and liquid storage tube bottom plate, connection hose both ends are separately connected soap pipe leakage fluid dram and liquid storage pipe leakage fluid dram,
For push-pull rod with weight using being threadedly coupled, push-pull rod upper and lower part is provided with groove, inserts for being inserted into top bolt and bottom
Pin, spring are placed in electromagnetic coil upper end, and spring upper end and electromagnetic coil lower end pass through top bolt respectively and bottom latch limits,
When not powered, weight self gravity compressed spring is shunk；When power-up, push-pull rod by top bolt compressed spring, push-pull rod with
Weight moves down together, and in weight immersion liquid storage pipe in soap lye, liquid storage tube bottom plate aperture, liquid storage pipe drain are provided on liquid storage tube bottom plate
Mouth passes through the aperture of liquid storage tube bottom plate, and liquid storage pipe leakage fluid dram outer diameter and liquid storage tube bottom plate aperture internal diameter use strength glue sticking, liquid storage
Tube bottom plate and the liquid storage pipe on top pass through strength glue sticking；
Liquid Level Regulation System includes gusset, magnet top plate, cylinder, magnet bottom plate, cylindrical magnet, L-type support, fastening screw
And sliding rail, gusset side are curved surface, are connected with liquid storage pipe outside diameter, and the gusset other side is plane, it is connected with magnet top plate, gusset bottom
Face is connected with liquid storage tube bottom plate, and cylindrical magnet is placed in the cavity surrounded by cylinder, magnet top plate and magnet bottom plate, magnet bottom plate
With sliding rail by strength glue sticking, L-type support bottom is connected by fastening screw with pedestal, and sliding rail is slided up and down along L-type support,
Sliding rail and L-type support are linked together by the magnetic force of cylindrical magnet, magnet bottom plate, cylindrical magnet, cylinder, magnet top plate,
Gusset and liquid storage pipe move up and down with sliding rail.
Wherein, column is that the externally threaded carbon steel of lower end band or stainless steel round bar, foot pad are made of rubber or silica gel material, weight
Hammer is the cylindrical body that polytetrafluoroethylene material is made into.
Push-pull rod is rigidity straight-bar made of carbon steel or magnetic stainless steel material.
L-type support is made of magnetic material, L-shaped.
Push-and-pull pole length, weight diameter and height meet soap pipe liquid level and are increased over edge on soap pipe air inlet.
Spring is located above electromagnetic coil, and after electromagnetic coil power-up, spring-compressed length guarantees to increase on soap intraluminal fluid position
It spends to edge on soap pipe air inlet.
The advantageous effects of the above technical solutions of the present invention are as follows:
It is proposed by the present invention to generate magnetic force using direct current electric excitation, it is combined with spring own resilient, it is magnetic by push-and-pull
Push-pull rod rise and fall, to drive, weight immerses or emersion liquid is made according to Archimedes' principle lifting and sedimentation liquid level
At the fluctuation of soap intraluminal fluid bit period, due to the damping action of connecting tube, liquid level rise and fall have certain delay, make liquid
It is relatively slow that body soaks soap pipe air inlet speed, so that tested gas source be made to have the sufficient time to contact with soap lye, forms thin soap bubble, liquid
Position continues to decline, and completes that the automatic control of various functions can be realized using host computer or single-chip microcontroller by steeping the change procedure to film
System.
Detailed description of the invention
Fig. 1 is the electronics soap film flowmeter structural schematic diagram of the invention steeped from movable property；
Fig. 2 is the electronics soap film flowmeter section components detaching structure schematic diagram of the invention steeped from movable property；
Fig. 3 is the electronics soap film flowmeter operation principle schematic diagram one that the present invention is steeped from movable property；
Fig. 4 is the electronics soap film flowmeter operation principle schematic diagram two that the present invention is steeped from movable property；
Fig. 5 is the electronics soap film flowmeter operation principle schematic diagram three that the present invention is steeped from movable property.
Wherein, 1- column；2- pedestal；3- foot pad；4- photoelectric sensor transmitting terminal one；5- photoelectric sensor receiving end one；
6- upper bracket；7.- photoelectric sensor transmitting terminal two；8- photoelectric sensor receiving end two；9- lower bracket；The gas outlet 10-；11- soap
Pipe；12- air inlet；13- bracket；14- soap pipe leakage fluid dram；15- is connected to hose；Bolt at the top of 16-；17- push-pull rod；18- spring；
19- electromagnetic coil；20- bottom latch；21- weight；22- liquid storage pipe；23- liquid storage pipe leakage fluid dram；24- liquid storage tube bottom plate；25- storage
Liquid pipe bottom plate aperture；26- gusset；27- magnet top plate；28- cylinder；29- magnet bottom plate；30- cylindrical magnet；31-L type bracket；
32- fastening screw；33- sliding rail.
Specific embodiment
To keep the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached drawing and tool
Body embodiment is described in detail.
The present invention provides a kind of electronics soap film flowmeter steeped from movable property.
As depicted in figs. 1 and 2, in the device, 11 upper end of soap pipe is provided with gas outlet 10, and 11 lower side of soap pipe is provided with air inlet
Mouth 12；Soap pipe supports system central post 1 using the externally threaded carbon steel of lower end band or stainless steel round bar, can pass through screw thread and lower part
Tapped pedestal 2 is connected, easy disassembly.2 lower part of pedestal is uniformly distributed four foots pad 3, is rubber or silica gel material, rises and subtract
Shake effect, is bonded in 2 bottom of pedestal by seccotine.Wearing with perps is respectively adopted in upper bracket 6, lower bracket 9 and bracket 13
Hole is connected with column 1, can slide up and down, and adjusts position, reduces perps distance by screw, holds column tightly by frictional force,
Play positioning action.Photoelectric sensor transmitting terminal 1, photoelectric sensor receiving end one are respectively provided on upper bracket 6 and lower bracket 9
5, photoelectric sensor transmitting terminal 27 and photoelectric sensor receiving end 28 are provided with circular hole among bracket 13, can accommodate 11 bottom of soap pipe
The insertion of portion's tubule, the coarse part in soap pipe top can not pass through, and therefore, can lift soap pipe 11, realize to entire 11 weight of soap pipe
Bearing.
Photoelectric sensor is made of transmitting terminal and receiving end, emits for experiencing the presence or absence of soap-film in photoelectric sensor system
End transmitting infrared light, when optical path is blocked by barrier, receiving end no signal；When barrier removes, there is signal in receiving end, thus shape
At the difference of low and high level, is realized and monitored by circuit.Photoelectric sensor includes upper and lower two pairs, 27 He of photoelectric sensor transmitting terminal
Photoelectric sensor receiving end 28 detects the beginning of soap-film, and photoelectric sensor transmitting terminal 1 and photoelectric sensor receiving end 1 are visited
The termination of soap-film is surveyed, the time difference of the two is the traveling time of soap-film, can be obtained by the position of the upper and lower photoelectric sensor of soap pipe
The effective volume passed through to soap-film, to obtain the average flow rate of gas during this period of time.Photoelectric sensor transmitting terminal 1,
Photoelectric sensor receiving end 1, photoelectric sensor transmitting terminal 27 and photoelectric sensor receiving end 28 are glued respectively by seccotine
It connects on upper bracket 6 and lower bracket 9, plays fixed function, to guarantee infrared when adjusting upper bracket 6 with 9 position of lower bracket
Optical path of the light from transmitting terminal to receiving end can remain unchanged.
Be connected to hose 15 in liquid level jacking system and connect soap pipe leakage fluid dram 14 and liquid storage pipe leakage fluid dram 23, due to soap pipe 11 with
Liquid storage pipe 22 is communicated with atmosphere respectively, therefore, can guarantee that the liquid level in soap pipe 11 and liquid storage pipe 22 is protected by being connected to hose 15
It holds in same level height.Push-pull rod 17 is an elongated rigidity straight-bar, using carbon steel or magnetic stainless steel material.Weight 21 is adopted
Cylindrical body is made into polytetrafluoroethylene material.Push-pull rod 17 is used with weight 21 and is threadedly coupled.17 upper and lower part of push-pull rod is equal
It is provided with groove, for being inserted into top bolt 16 and bottom latch 20, top bolt 16 and bottom latch 20 play the role of limit,
Electromagnetic coil 19 and spring 18 are limited in regular length.Spring 18 is placed in 19 upper end of electromagnetic coil, when not powered, weight 21
Self gravity compressed spring 18 is shunk；When power-up, push-pull rod 17 passes through 16 compressed spring 18 of top bolt, push-pull rod 17 and weight
21 move down together, and weight 21 immerses in soap lye, due to Archimedes' principle it is found that liquid level rises in liquid storage pipe 22, pass through connection
Hose 15 makes the liquid in soap pipe 11 while rising.Electromagnetic coil 19 is formed by enameled wire coiling, when passing through direct current, electromagnetic wire
Circle 19 generates magnetism, and push-pull rod 17 is pulled to move down；When power-off, magnetism disappears, and push-pull rod 17 is extensive since the effect of spring 18 moves up
Multiple original state.Liquid storage pipe 22 is a thick cylinder, and liquid storage pipe leakage fluid dram 23 is a mini diameter tube, and liquid storage tube bottom plate aperture 25 is liquid storage
Hole on tube bottom plate 24, bore size are slightly larger than the outer diameter of liquid storage pipe leakage fluid dram 23, and transparent acrylic material can be used in three
Material.Liquid storage pipe leakage fluid dram 23 passes through liquid storage tube bottom plate aperture 25, and outer diameter and 25 internal diameter of liquid storage tube bottom plate aperture use seccotine
Bonding forms the storage of a sealing impenetrable liquid again with the liquid storage pipe 22 on top by strength glue sticking after the two shape is integral
Liquid pool, for accommodating soap lye.
26 side of gusset is curved surface in Liquid Level Regulation System, is connected with 22 outer diameter of liquid storage pipe, the other side is plane, with magnet
Top plate 27 is connected, and bottom surface is connected with liquid storage tube bottom plate 24, is all made of strength glue sticking.Cylindrical magnet 30 is placed in by cylinder 28, magnetic
It is first that cylinder 28 is secured with strength glue sticking with magnet top plate 27 in the cavity that iron top plate 27 and magnet bottom plate 29 surround,
Cylindrical magnet 30 is put in cavity, then by magnet bottom plate 29 and the strength glue sticking of cylinder 28, forms seal, magnet bottom plate 29
Pass through strength glue sticking with sliding rail 33.L-type support 31 uses carbon steel material, is in " L " type, and bottom passes through fastening screw 32 and bottom
Seat 2 is connected.Sliding rail 33 can be slided up and down along L-type support 31, by the magnetic force of cylindrical magnet 30 by sliding rail 33 and L-type support 31
It links together, magnet bottom plate 29, cylindrical magnet 30, cylinder 28, magnet top plate 27, gusset 26 and liquid storage pipe 22 etc. can be with sliding rails
33 move up and down together, to have the function that adjust liquid level.
This from movable property steep electronics soap film flowmeter operating process it is as follows: firstly, from 11 top of soap pipe be added soap lye, edge
Tube wall annular instills, and guarantees soap inside pipe wall uniform wet.Liquid Level Regulation System is moved up and down, is located at weight above liquid level, and
And soap intraluminal fluid position is lower than air inlet lower edge, at this point, stopping liquid feeding, as shown in Figure 3.Work of the Liquid Level Regulation System due to magnetic force
It is aerial with being suspended in.Tested gas source is connected with soap pipe air inlet by hose, is applied to around interface with soap lye, is produced without bubble
Life illustrates that air-tightness is good.It controls electromagnetic coil power-up or manual switch by host computer procedure to be powered on to electromagnetic coil, electromagnetism
After coil energization, magnetic field is generated, push-pull rod is attracted to move down, weight is driven to immerse in soap lye downwards, liquid level rises, when soap pipe
When interior liquid level rises to soap pipe air inlet upper edge, the gas of air inlet is blocked in outside, cannot be introduced into, and forms fluid-tight,
As shown in Figure 4.Give electromagnetic coil power-off, weight rises together with push-pull rod, and liquid level declines in liquid storage pipe, the liquid level in soap pipe with
Reduction, in this process, the pressure to be formed as liquid level declines of gas of outside blocking reduces, under gas pressure effect
Constantly inwardly stretching, extension, gas-liquid interactive interface are gradually increased, and are formed a thin layer soap-film and are moved up under the promotion of gas, such as scheme
Shown in 5.When soap-film is by lower photoelectric sensor, due to the interception of soap-film, the sending of photoelectric sensor transmitting terminal has been blocked
Infrared light receive receiving end can not, generate low level signal；Soap-film continues to move up, and when leaving, infrared light again can be by
Receiving end receives, and forms high level signal.External circuit starts to set out by identifying that the switching of high and low level reaches record soap-film
Time.Similarly, the photoelectric sensor on top also undergoes identical process, the difference is that upper photosensor record is
Soap-film terminates the time.The difference of the two is soap-film by the time required for this segment body product, so that being averaged for gas be calculated
Flow.After soap-film passes through upper photosensor, it is delayed after a period of time, electromagnetic coil continues to be powered on, and is produced next time
Bubble process is steeped to reach from movable property, in cycles, forms a kind of electronics soap film flowmeter steeped from movable property.
In the specific implementation process, with the gas flow of the flow measurement dead axle flow fan.Select internal diameter 15.5mm, outer diameter
18.0mm, overall length 443mm are nominally the soap pipe 11 of 50mL.Soap pipe air inlet 12 and aerofoil fan outlet pass through variable diameter and hose
Connection.40g dish washing liquid foaming agent is weighed with 500mL beaker, by dish washing liquid: the mass ratio of deionized water is that 1:10 is configured to soap
Liquid is stirred evenly with glass bar.It is drained to soap inside pipe wall from 11 top of soap pipe along glass bar, glass bar is clockwise along soap inside pipe wall
Rotation, achievees the purpose that soap lye uniform wet soap inside pipe wall.Liquid Level Regulation System is put to extreme lower position, liquid level in soap pipe 11 is made
Lower than the lower edge of soap pipe air inlet 12, constantly promotion Liquid Level Regulation System, until soap lye face is exposed in 21 bottom end of weight, then
It is finely adjusted, weight 21 is made to be slightly above liquid level in liquid storage pipe 22.19 supply voltage of electromagnetic coil is 6V, and rated current 3A gives
Electromagnetic coil is powered, and push-pull rod 17 moves down, and compresses upper springs 18, pushes weight 21 to immerse in soap lye downwards, liquid storage pipe
Liquid level rises in 22, and liquid level also rises with it in soap pipe 11, when liquid level rise on soap pipe air inlet 12 along when, charge air flow quilt
Blocking forms gas-liquid contact interface between gas and liquid.It cuts off electromagnetic coil 19 to power, work of the weight 21 in 18 elastic force of spring
With lower promotion, lift from soap lye, liquid level declines in liquid storage pipe 22, and liquid level is also begun to decline in soap pipe 11, in soap pipe 11
The continuous landing of liquid level, gas constantly squeeze into soap pipe 11.Due to the effect of the surface tension of soap lye, gas is in soap pipe air inlet
12 blow out soap bubble with 11 cross section intersection of soap pipe, and liquid level reduction is more, and soap bubble growth is bigger, when liquid level is lower than soap pipe air inlet
When 12 lower edge, soap bubble becomes soap-film, soap pipe air inlet upper edge above section is formed in, with the promotion of air-flow, soap-film
Constantly rise, when by lower photosensor, covers infrared light, form low level signal, record soap-film initial time, be
19:59:10.00.Soap-film continues to rise, and when reaching upper photosensor, is similarly formed low level signal, records soap-film end
The only time is 19:59:12.86.According to the volume 50mL between upper and lower photoelectric sensor, the flow of gas is calculated are as follows: (50mL
÷ 2.86s) × 60s/min=1048.95mL/min.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, several improvements and modifications can also be made, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (4)
1. a kind of electronics soap film flowmeter steeped from movable property, it is characterised in that: support system, photoelectric sensing including soap pipe, soap pipe
System, liquid level jacking system and Liquid Level Regulation System；
Wherein, soap pipe (11) upper end is provided with gas outlet (10), and soap pipe (11) lower side is provided with air inlet (12)；Soap pipe supports system
System includes that column (1), pedestal (2), foot pad (3), upper bracket (6), lower bracket (9) and bracket (13), photoelectric sensor system include
Photoelectric sensor transmitting terminal one (4), photoelectric sensor receiving end one (5), photoelectric sensor transmitting terminal two (7) and photoelectric sensor
Receiving end two (8), column (1) are connected with pedestal (2), and pedestal (2) lower part is uniformly distributed four foots pad (3), and foot pad (3) passes through strong
Power glue sticking is respectively adopted the perforation with perps and stands in pedestal (2) bottom, upper bracket (6), lower bracket (9) and bracket (13)
Column (1) is connected, and upper bracket (6), lower bracket (9) and bracket (13) can slide up and down, and photoelectric sensor is housed on upper bracket (6)
Transmitting terminal one (4) and photoelectric sensor receiving end one (5) are equipped with photoelectric sensor transmitting terminal two (7) and photoelectricity on lower bracket (9)
Sensor receiving end two (8), photoelectric sensor transmitting terminal one (4), photoelectric sensor receiving end one (5), photoelectric sensor transmitting
Two (7) of end and photoelectric sensor receiving end two (8) are bonded on upper bracket (6) and lower bracket (9) by seccotine, bracket (13)
Centre is provided with circular hole, and soap pipe (11) bottom tubule is inserted into circular hole, and the coarse part in soap pipe top can not pass through circular hole；
Liquid level jacking system includes connection hose (15), top bolt (16), push-pull rod (17), spring (18), electromagnetic coil
(19), bottom latch (20), weight (21), liquid storage pipe (22), liquid storage pipe leakage fluid dram (23) and liquid storage tube bottom plate (24) are connected to soft
Pipe (15) both ends are separately connected soap pipe leakage fluid dram (14) and liquid storage pipe leakage fluid dram (23), and push-pull rod (17) and weight (21) use spiral shell
Line connection, push-pull rod (17) upper and lower part are provided with groove, for being inserted into top bolt (16) and bottom latch (20), spring
(18) be placed in electromagnetic coil (19) upper end, spring (18) upper end and electromagnetic coil (19) lower end pass through respectively top bolt (16) with
Bottom latch (20) limitation, when not powered, weight (21) self gravity compressed spring (18) is shunk；When power-up, push-pull rod (17)
By top bolt (16) compressed spring (18), push-pull rod (17) moves down together with weight (21), and weight (21) immerses liquid storage pipe
(22) in interior soap lye, liquid storage tube bottom plate aperture (25) is provided on liquid storage tube bottom plate (24), liquid storage pipe leakage fluid dram (23) passes through liquid storage
Tube bottom plate aperture (25), liquid storage pipe leakage fluid dram (23) outer diameter and liquid storage tube bottom plate aperture (25) internal diameter use strength glue sticking, storage
Liquid pipe bottom plate (24) and the liquid storage pipe (22) on top pass through strength glue sticking；
Liquid Level Regulation System include gusset (26), magnet top plate (27), cylinder (28), magnet bottom plate (29), cylindrical magnet (30),
L-type support (31), fastening screw (32) and sliding rail (33), gusset (26) side are curved surface, are connected with liquid storage pipe (22) outer diameter, muscle
Plate (26) other side is plane, is connected with magnet top plate (27), gusset (26) bottom surface is connected with liquid storage tube bottom plate (24), cylinder magnetic
Iron (30) is placed in the cavity surrounded by cylinder (28), magnet top plate (27) and magnet bottom plate (29), magnet bottom plate (29) and cunning
Rail (33) is connected by fastening screw (32) with pedestal (2) by strength glue sticking, L-type support (31) bottom, and sliding rail (33) is along L
Type bracket (31) slides up and down, and sliding rail (33) and L-type support (31) are linked together by the magnetic force of cylindrical magnet (30), magnetic
Iron bottom plate (29), cylindrical magnet (30), cylinder (28), magnet top plate (27), gusset (26) and liquid storage pipe (22) are with sliding rail (33)
It moves up and down；
The column (1) is the externally threaded carbon steel of lower end band or stainless steel round bar, and foot pad (3) is made of rubber or silica gel material,
Weight (21) is the cylindrical body that polytetrafluoroethylene material is made into；
Push-pull rod (17) length, weight (21) diameter and height meet soap pipe (11) liquid level be increased over soap pipe (11) into
Edge on port (12).
2. the electronics soap film flowmeter according to claim 1 steeped from movable property, it is characterised in that: the push-pull rod (17) is
Rigidity straight-bar made of carbon steel or magnetic stainless steel material.
3. the electronics soap film flowmeter according to claim 1 steeped from movable property, it is characterised in that: the L-type support (31)
It is made of magnetic material, it is L-shaped.
4. the electronics soap film flowmeter according to claim 1 steeped from movable property, it is characterised in that: the spring (18) is located at
Above electromagnetic coil (19), after electromagnetic coil (19) power-up, spring (18) reduction length guarantees to increase in soap pipe (11) interior liquid level
It spends to edge on soap pipe (11) air inlet (12).
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| CN201710068643.3A CN106768125B (en) | 2017-02-08 | 2017-02-08 | A kind of electronics soap film flowmeter steeped from movable property |
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| CN201710068643.3A CN106768125B (en) | 2017-02-08 | 2017-02-08 | A kind of electronics soap film flowmeter steeped from movable property |
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| CN106768125A CN106768125A (en) | 2017-05-31 |
| CN106768125B true CN106768125B (en) | 2018-12-25 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110993271A (en) * | 2019-12-30 | 2020-04-10 | 江苏环东电气有限公司 | Liquid level compensation device and method for oil immersed transformer |
| CN115435856A (en) * | 2021-05-17 | 2022-12-06 | 上海烟草集团有限责任公司 | Soap film control device and soap film flowmeter |
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| US5448919A (en) * | 1992-12-07 | 1995-09-12 | Ametek, Inc. | Gas flow meter |
| CN201099906Y (en) * | 2007-05-31 | 2008-08-13 | 陈维刚 | Foam automatic generation device for toilet trough lubrication |
| CN102620783A (en) * | 2012-04-23 | 2012-08-01 | 上海奇阳信息科技有限公司 | Image recognition-based electronic soap film gas flow meter |
| CN103925957A (en) * | 2014-04-02 | 2014-07-16 | 新疆维吾尔自治区计量测试研究院 | Soap film flow meter with automatic film opening function |
| CN205748499U (en) * | 2016-06-07 | 2016-11-30 | 绍兴国正安全技术检测有限公司 | A kind of electronics soap film flowmeter |
| CN206430776U (en) * | 2017-02-08 | 2017-08-22 | 北京科技大学 | A kind of electronics soap film flowmeter steeped from movable property |
-
2017
- 2017-02-08 CN CN201710068643.3A patent/CN106768125B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5448919A (en) * | 1992-12-07 | 1995-09-12 | Ametek, Inc. | Gas flow meter |
| CN201099906Y (en) * | 2007-05-31 | 2008-08-13 | 陈维刚 | Foam automatic generation device for toilet trough lubrication |
| CN102620783A (en) * | 2012-04-23 | 2012-08-01 | 上海奇阳信息科技有限公司 | Image recognition-based electronic soap film gas flow meter |
| CN103925957A (en) * | 2014-04-02 | 2014-07-16 | 新疆维吾尔自治区计量测试研究院 | Soap film flow meter with automatic film opening function |
| CN205748499U (en) * | 2016-06-07 | 2016-11-30 | 绍兴国正安全技术检测有限公司 | A kind of electronics soap film flowmeter |
| CN206430776U (en) * | 2017-02-08 | 2017-08-22 | 北京科技大学 | A kind of electronics soap film flowmeter steeped from movable property |
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| CN106768125A (en) | 2017-05-31 |
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