CN207407942U - A kind of electronics soap film flowmeter - Google Patents
A kind of electronics soap film flowmeter Download PDFInfo
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- CN207407942U CN207407942U CN201721247106.7U CN201721247106U CN207407942U CN 207407942 U CN207407942 U CN 207407942U CN 201721247106 U CN201721247106 U CN 201721247106U CN 207407942 U CN207407942 U CN 207407942U
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Abstract
The utility model provides a kind of electronics soap film flowmeter by gas outlet, soap-film liquid retracting device, elastic washer, soap-film pipe, skinning frame, soap lye pond, push-pull rod, keyboard, shell, microcontroller, screw, photoelectricity fixed seat, microcontroller, display screen, infrared transmitting tube, infrared receiving tube forms, the utility model can dismantle lower soap-film liquid retracting device conveniently with hand, clean gas outlet, the inner wall of soap-film pipe and soap-film liquid retracting device, by the thrust platform support below soap-film pipe and soap-film pipe is prevented to move axially downwards, can soap lye liquid level be observed by the transparent exterior of soap lye pond upper body and whether soap-film forms, it avoids measuring error caused by during measurement.Using the infrared carrier wave of specific frequency, incandescent lamp and interference of the light source frequency of fluorescent lamp generation to flowmeter can be effectively avoided, reliability is high, strong antijamming capability.
Description
Technical field
The utility model is related to a kind of electronics soap film flowmeters of gas flow measurement, are mainly used in gas or liquid
The sample detecting of flow belongs to environment monitoring instrument field.
Background technology
In the People's Republic of China (PRC) measurement verification regulations JJG586-2006 that on March 6th, 2007 implements《Soap film flowmeter》
In, the operation principle and structural shape of soap film flowmeter are described later in detail.Now in the art, the structural type of soap film flowmeter
Formula be one with graduated soap-film pipe, there are one air inlet below soap-film pipe, the bottom of soap-film pipe connects a glueballs, in glueballs
Equipped with soap-film liquid, operation principle is：Air inlet of the measured gas through soap-film pipe lower end enters soap-film pipe, squeezes glueballs
（Or with other methods）Soap-film is generated, since the pressure of air inlet acts on, soap-film is promoted at the uniform velocity to rise along soap-film pipe, when soap-film liter
To soap-film pipe lower groove when, timer starts timing, when soap-film is raised to the upper groove of soap-film pipe, timer stop timing,
The instantaneous delivery for flowing through soap film flowmeter can be calculated by the volume between two groove of time and soap-film pipe that measures.And electronics soap
Film flowmeter is then in soap-film uphill process, by the lower groove of a pair of sensors installed on outer wall（Lower Photoelectric Detection point）
With groove in a pair of sensors（Upper Photoelectric Detection point）When, display instrument according to the volume between the upper and lower groove on soap-film pipe and
The time that soap-film is flowed through between upper and lower groove directly displays out instantaneous delivery.The soap-film stream designed according to both the above operation principle
Gauge is effective for measuring minute gas flow, and still, in real work, the prior art is lacked there are still following
Point：
1. during current existing soap film flowmeter use, at soap-film pipe and gas outlet, since cross-sectional area occurs
Variation, thus gas flowfield is also changed, and soap-film is caused to rupture, the soap-film after rupture becomes soap lye or soap lye and rupture soap
The mixture of film（Hereinafter referred to as soap-film liquid）, soap-film liquid flows down or is sticked to along soap-film tube wall motionless on soap-film inside pipe wall so that
Soap-film inside pipe wall is easily contaminated, and hampers the measurement and metering of soap film flowmeter；
2. the soap-film pipe under the prior art be usually soap-film pipe and its air inlet, gas outlet be it is integral with glass system,
Or after air inlet, gas outlet and soap-film pipe are integrally fixed, dismounting is inconvenient, cleans inner wall when soap-film inside pipe wall is contaminated and is stranded
It is difficult；
3. the volumetric values of electronics soap film flowmeter, with regard to weighed good, to ensure the constancy of volume of soap-film pipe, when dispatching from the factory
Ask soap-film pipe fix after with lower groove（Lower Photoelectric Detection point）With upper groove（Upper Photoelectric Detection point）Position it is relatively motionless, it is existing
Technology in soap-film pipe fixed form be also easy to produce axial movement, after the axial movement of soap-film pipe between two pairs of photoelectric detectors position
It changes, the soap-film tube capacity product value between two pairs of photoelectric detectors can change, thus influence whether flow measurement
Measure the accuracy of data；
4. the soap lye liquid level deposited in current soap film flowmeter is inconvenient to observe in soap lye pond, and when being not easy to observe and measure
Whether soap-film has been generated；
5. existing electronics soap film flowmeter can be done in measurement be subject to the light sources such as ambient and incandescent lamp, fluorescent lamp
It disturbs, influences instrument normal work, the light source of larger interference is usually generated to electronics soap film flowmeter infrared receiving tube, it is mainly white
What vehement lamp and fluorescent lamp generated, carrier frequency 50Hz, 100Hz, 50kHz, 100kHz；
6. the keyboard and display screen of existing electronics soap film flowmeter are only vertical perpendicular and parallel in two kinds of ground, it is not easy to operate
With the content of observation display.
The content of the invention
For the above situation, to overcome the defect of the prior art, the utility model provides a kind of novel electron soap-film flow
Meter：Transmitting and reception to the shape of electronics soap film flowmeter, structure and fixed form and infrared transmitting tube and infrared receiving tube
The frequency of light has carried out innovative design, compensates for the deficiencies in the prior art, reduces extraneous interference, improves reliability.
Technical solution is used by the utility model solves the technical problem:
A kind of electronics soap film flowmeter by gas outlet, soap-film liquid retracting device, elastic washer, infrared transmitting tube, soap-film pipe,
Elastic seal ring, soap lye pond, push-pull rod, skinning frame, air inlet, temperature sensor assembly, rear shell, front housing, infrared receiving tube, light
Electric fixed seat, microcontroller, display screen, keyboard composition；
The skinning frame is connected with push-pull rod to be arranged in soap lye pond, under the bottom surface of soap-film pipe, if there are one thrust platform,
Support simultaneously prevents soap-film pipe from moving down；
The outlet mouth-shaped is cupuliform, is provided with an outlet nozzle on the surface and is communicated with inside, the outlet nozzle is located at
On the outer surface of gas outlet, the outlet nozzle and gas outlet are coaxial, be provided in the outer circle of the gas outlet several it is square convex
Platform is fixedly connected with soap-film liquid retracting device；
The soap-film pipe uses the structure of tubulose, is mounted with that has a soap-film liquid recycling dress in soap-film pipe upper end outer surface
It puts, soap-film liquid retracting device employs elastic material and is made, and internal diameter size is less than soap-film pipe outside diameter size, soap-film liquid recycling dress
The inner wall sleeve put is on the outer wall of soap-film pipe upper end, and gas outlet skewer enters in soap-film liquid retracting device and is tightly connected with it, in soap
It is set among the inside and outside wall of film liquid retracting device and there are one recessed accumulator tank, is used to recycle the soap formed after soap-film rupture
Film liquid and other mixtures；The inside outer wall of soap-film liquid retracting device is provided with several square grooves, with gas outlet
On boss size coincide, be fixedly connected with gas outlet and soap-film liquid retracting device；
Groove A is provided on the soap-film pipe（Upper Photoelectric Detection point）With lower groove B（Lower Photoelectric Detection point）；
The elastic washer is fixed on the outer wall of soap-film pipe, by screw, is adjusted between photoelectricity fixed seat and front housing
Distance after compressing elastic washer, soap-film pipe with front housing is fixed together, prevents that position occurs between soap-film pipe and photoelectricity fixed seat
It moves, the position and the relative position of two pairs of infrared transmitting tubes, infrared receiving tube between two groove of guarantee soap-film pipe are constant；
The photoelectricity fixed seat is fixed on by elastic washer on the outer wall of soap-film pipe；
The microcontroller is screwed in rear shell；
The temperature sensor assembly is fixed in rear shell, with monolithic mechatronics；
The temperature sensor assembly, display screen, keyboard are fixed on front housing, with monolithic mechatronics；
The infrared transmitting tube and infrared receiving tube are divided into upper and lower two pairs, are fixed on correspondingly in photoelectricity fixed seat,
And with monolithic mechatronics；
The soap lye pond is made of soap lye pond upper body, sectional gland bush, soap lye bottom of pond seat, and soap lye pond global shape is top
The container of opening, the lower face of the soap lye pond upper body is tightly connected with soap lye bottom of pond seat by sectional gland bush, in soap lye
The top of pond upper body sets the platform there are one opening, and is recessed into soap lye pond, thrust of the upper surface as soap-film pipe lower end
Platform, the thrust platform and soap-film pipe are coaxial, and internal diameter size is equal to or more than the internal diameter size of soap-film pipe, and support simultaneously prevents soap-film
Pipe moves down, and is additionally provided with air inlet on the surface of soap lye pond upper body, and the intake port shape is hollow cylinder, air inlet
It is communicated positioned at the outer surface of soap lye pond upper body with inside, air inlet central axis is in the outer surface of soap lye pond upper body；
It is tightly connected between the soap-film pipe and soap lye pond upper body by elastic seal ring.
Optimization, the upper body in the gas outlet and soap lye pond convenient for observation inner case and adds in soap using transparent material
The number of liquid and the production of soap-film.
Optimization, the intake port shape on the upper body of the soap lye pond is hollow cylinder, is communicated with inside, and air inlet center
Line is perpendicular to the upper surface of soap lye pond upper body.
Optimization, the soap-film liquid retracting device shape is the revolving bodies that sidewall sections are concave character type.
Optimization, the soap-film liquid retracting device, elastic washer and elastic seal ring are made of elastic material.
Optimization, the elastic seal ring is interference fitted with soap-film pipe.
Optimization, the carrier frequency of the infrared transmitting tube and infrared receiving tube is 26 ~ 46KHz, and with a pair of infrared hair
It is equal to penetrate the carrier frequency value of pipe and infrared receiving tube, and corresponds installation, and avoid incandescent lamp and fluorescent lamp 50Hz,
The interference that the light source of 100Hz, 50KHz, 100KHz wave band generates it.
Optimization, keyboard and display screen use certain angle tilt in ground, operation keyboard convenience, and are more convenient for seeing
It examines.
Optimization, microcontroller is screwed in rear shell, and installation, debugging are convenient, and convenient with keyboard line, and is reduced
Wire length.
The utility model specific work process：It promotes push-pull rod that skinning frame is driven to move up and down, immerses skinning frame bottom
In soap lye, after skinning frame leaves soap lye, a soap-film is generated in skinning frame, soap-film rises with skinning frame under contact soap-film pipe
End, and depart from skinning frame and hang over soap-film pipe lower end, after tested gas enters from air inlet, under the action of inlet, outlet pressure,
Soap-film at the uniform velocity rises from soap-film pipe lower end edge soap-film inside pipe wall, when soap-film rises to groove B under soap-film pipe（Lower Photoelectric Detection point）
When, the light path that infrared transmitting tube is sent is blocked by soap-film, and infrared receiving tube does not receive what infrared transmitting tube was sent at this very moment
Infrared waves exports high level to microcontroller, and timer starts timing；Soap-film continues to rise along soap-film inside pipe wall, when on soap-film
Rise to groove A on soap-film pipe（Upper Photoelectric Detection point）When, the light path that infrared transmitting tube is sent is blocked again by soap-film, at this very moment
Infrared receiving tube does not receive the infrared waves that infrared transmitting tube is sent, and high level is exported to microcontroller, and timer stops timing,
Soap-film is measured by the volume between two grooves in the time between two grooves and soap-film pipe by timer, you can calculate tested gas
The instantaneous delivery of soap film flowmeter is flowed through, and signal is sent by microcontroller and is shown on a display screen.Subsequent soap-film continues to rise, when
After soap-film rises to soap-film tube top portion, due to the effect soap-film deformation fracture of air pressure, broken soap-film liquid automatically flows into soap-film liquid
In retracting device, the tested gas in soap-film pipe is then discharged from gas outlet.When needing to remove discarded soap-film liquid, hand can be used
Lower soap-film liquid retracting device is directly dismantled, pours out and cleans.
The beneficial effects of the utility model are：
1. have when the residue accumulation influence normal use of gas outlet, soap-film inside pipe wall or in soap-film liquid retracting device
During soap lye, lower soap-film liquid retracting device can be dismantled conveniently with hand, cleans the interior of gas outlet, soap-film pipe and soap-film liquid retracting device
Wall ensure that the accuracy of measurement；
2. the thrust platform of soap lye pond upper body and the elastic washer of soap-film pipe upper end play fixation in soap-film pipe axial direction,
It prevents from being subjected to displacement between soap-film pipe and photoelectricity fixed seat, ensures two scribe line positions and two couple in photoelectricity fixed seat on soap-film pipe
Positional distance between photoelectric detector is constant, and after avoiding the calibration of electronics soap film flowmeter, volume changes；
3. can observe soap lye liquid level by the transparent exterior of soap lye pond upper body when measuring and whether soap-film forms, keep away
Error is measured caused by when exempting from measurement；
4. the detection light source for avoiding natural light and daylight modulation frequency avoids the influence of external environment, reliability is high, resists
Interference performance is strong；
5. when observing data and operation, keyboard angle is vertical with sight, when facilitating observation, while avoiding button press
Since the problem of Impact direction moves instrumented site, the accuracy of measurement data ensure that；
6. make installation, debugging more convenient using the fixed mode of screw between the microcontroller and rear shell of flowmeter, and itself and key
Disk line is convenient, and reduces wire length, also ensures the stability of microcontroller position in instrument；
7. the shape sectional gland bush identical with soap lye bottom of pond seat ensure that the air-tightness in soap lye pond, tested gas is prevented
It leaks, it is ensured that the accuracy and reliability of measurement.
Description of the drawings
The utility model is described in detail with reference to embodiment and attached drawing.
Fig. 1 is the structure diagram of the utility model electronics soap film flowmeter.
Fig. 2 is the A-A sectional views of the structure diagram of the utility model electronics soap film flowmeter.
Fig. 3 is the schematic diagram of soap-film pipe and the mounting structure of gas circuit in the utility model electronics soap film flowmeter.
Fig. 4 is the enlarged drawing of the structure diagram at I positions in Fig. 1.
Fig. 5 is the structure diagram in the soap lye pond of the utility model.
Fig. 6 is that structure diagram is fixedly mounted in the elastic washer of the utility model and soap-film pipe.
Fig. 7 is the utility model detection circuit schematic diagram.
Fig. 8 is the structure diagram of the utility model shell and microcontroller.
Fig. 9 is the overall appearance figure of the utility model.
In figure：1st, gas outlet；111st, outlet nozzle；112nd, boss；2nd, soap-film liquid retracting device；221st, accumulator tank；222、
Groove；3rd, elastic washer；4th, infrared receiving tube；5th, soap-film pipe；51st, upper test point；52nd, lower test point；6th, elastic seal ring；
7th, push-pull rod；8th, soap lye pond；81st, soap lye pond upper body；811st, thrust platform；812nd, air inlet；82nd, sectional gland bush；83rd, soap lye
Bottom of pond seat；9th, skinning frame；10th, temperature sensor assembly；11st, rear shell；12nd, front housing；13rd, screw；14th, infrared transmitting tube；
15th, photoelectricity fixed seat；16th, microcontroller；17th, display screen；18th, keyboard.
Specific embodiment
Embodiment 1
The scope of the utility model is not limited to the present embodiment.
A kind of electronics soap film flowmeter is by gas outlet 1, soap-film liquid retracting device 2, elastic washer 3, infrared receiving tube 4, soap
Membrane tube 5, elastic seal ring 6, push-pull rod 7, soap lye pond 8, skinning frame 9, temperature sensor assembly 10, rear shell 11, front housing 12, screw
13rd, infrared transmitting tube 14, photoelectricity fixed seat 15, microcontroller 16, display screen 17, keyboard 18, pressure sensor 19 form；
The skinning frame 9 is connected with push-pull rod 7 to be arranged in soap lye pond 8, under the bottom surface of soap-film pipe 5, if there are one only
Platform 811 is pushed away, support simultaneously prevents soap-film pipe 5 from moving down；
1 shape of gas outlet is cupuliform, is provided with an outlet nozzle 111 on the surface and is communicated with inside, the outlet nozzle
111 are located on the outer surface of gas outlet 1, and the outlet nozzle 111 of optimization and gas outlet 1 are coaxial, are set in the outer circle of the gas outlet 1
There are several square boss 112, be fixedly connected with soap-film liquid retracting device 2；
The soap-film pipe 5 is provided with soap-film liquid retracting device 2, soap-film using the structure of upper end opening in 5 upper end of soap-film pipe
Liquid retracting device 2 is made of elastic material, and internal diameter size is less than 5 outer diameter of soap-film pipe, soap-film liquid retracting device 2 it is interior
Wall is sleeved on the outer wall of 5 upper end of soap-film pipe, and 1 skewer of gas outlet enters in soap-film liquid retracting device 2 and is tightly connected with it, in soap-film liquid
It is set among the inside and outside wall of retracting device 2 and there are one recessed accumulator tank 221, is used to recycle the soap formed after soap-film rupture
Film liquid and other mixtures；The inside outer wall of soap-film liquid retracting device 2 is provided with several square grooves 222, with going out
112 size of boss on gas port 1 is coincide, and is fixedly connected with gas outlet 1 and soap-film liquid retracting device 2；
Groove A is provided on the soap-film pipe 5（Upper Photoelectric Detection point）51 and lower groove B（Lower Photoelectric Detection point）52；
The elastic washer 3 is fixed on the outer wall of soap-film pipe 5, by screw 13, adjusts photoelectricity fixed seat 15 and front housing
The distance between 12, after compressing elastic washer 3, soap-film pipe 5 and front housing 12 are fixed together；
The photoelectricity fixed seat 15 is fixed on by elastic washer 3 on the outer wall of soap-film pipe 4；
The microcontroller 16 is fixed on screw 13 in rear shell 11；
The temperature sensor assembly 10 is fixed in rear shell 11, is electrically connected with microcontroller 16；
The display screen 17, keyboard 18 are fixed on front housing 12, are electrically connected with microcontroller 16；
The infrared transmitting tube 4 and infrared receiving tube 14 are divided to for upper and lower two pairs, are fixed on photoelectricity fixed seat correspondingly
On 15, and it is electrically connected with microcontroller 16；
The soap lye pond 8 is made of soap lye pond upper body 81, sectional gland bush 82, soap lye bottom of pond seat 83, the whole shape in soap lye pond 8
Shape is the container of upper opening, and the lower face of the soap lye pond upper body 81 and soap lye bottom of pond seat 83 are close by sectional gland bush 82
Envelope connection, the top of soap lye pond upper body 81 sets the platform there are one opening, and is recessed into soap lye pond 8, and upper surface is as soap
The thrust platform 811 of 5 lower end of membrane tube, the thrust platform 811 and soap-film pipe 5 are coaxial, and internal diameter size is equal to or more than soap-film pipe 5
Internal diameter size, support simultaneously prevents soap-film pipe 5 from moving down；Be additionally provided on the surface of soap lye pond upper body 81 air inlet 812 with
Inside communicates, and 812 central axis of air inlet is in the outer surface of soap lye pond upper body 81；
The soap-film pipe 5 is tightly connected with soap lye pond upper body 81 by elastic seal ring 6.
Optimization, the gas outlet 1 and soap lye pond upper body 81 are made of transparent material, convenient for observation inner case and are added
The number of soap lye and the production of soap-film entered.
Optimization, 812 shape of air inlet is hollow cylinder, is communicated with inside, 812 central axis of air inlet in
The outer surface of soap lye pond upper body 81.
Optimization, 2 shape of soap-film liquid retracting device is the revolving bodies that sidewall sections are concave character type.
Optimization, the soap-film liquid retracting device 2, elastic washer 3 and elastic seal ring 6 are made of elastic material.
Optimization, the elastic seal ring 6 is interference fitted with soap-film pipe 5.
Optimization, two pairs of infrared transmitting tubes and infrared receiving tube its reference carrier frequency are（26~46）KHz sections, and one
One corresponds to installation, i.e., equal with the carrier frequency value of a pair of of infrared transmitting tube and infrared receiving tube, and avoids incandescent lamp, fluorescent lamp
50Hz, 100Hz, 50KHz, 100KHz wave band the interference that is generated to it of light source.
Optimization, keyboard 18 and display screen 17 using certain angle tilt in ground, 18 convenience of operation keyboard, and more just
In observation.
Optimization, microcontroller 16 is fixed on four screws in rear shell 11, installation, debugging facilitate, and with 18 line of keyboard
It is convenient, and reduce wire length.
The utility model specific work process：It promotes push-pull rod 7 that skinning frame 9 is driven to move up and down, soaks 9 bottom of skinning frame
Enter in soap lye, after skinning frame 9 leaves soap lye, one soap-film of generation in skinning frame 9, soap-film rises contact soap with skinning frame 9
5 lower end of membrane tube, and depart from skinning frame 9 and hang over 5 lower end of soap-film pipe, after tested gas enters from air inlet 812, in inlet, outlet
Under the action of pressure, soap-film at the uniform velocity rises from 5 lower end edge soap-film pipe of soap-film pipe, 5 inner wall, when soap-film rises to 5 times grooves of soap-film pipe
B（Lower Photoelectric Detection point）When 52, the light path that infrared transmitting tube 14 is sent is blocked by soap-film, and infrared receiving tube 4 receives at this very moment
Infrared waves less than the 38KHz that infrared transmitting tube 14 is sent exports high level to microcontroller 16, and timer starts timing；Soap
Film continues to rise along 5 inner wall of soap-film pipe, when soap-film rises to groove A on soap-film pipe 5（Upper Photoelectric Detection point）When 51, infrared emission
The light path that pipe 14 is sent is blocked by soap-film, and it is red not receive the 38KHz that infrared transmitting tube 14 is sent for infrared receiving tube 4 at this very moment
Outer light wave exports high level to microcontroller 16, and timer stops timing, and soap-film is measured by the time between two grooves by timer
And the volume in soap-film pipe between two grooves, you can the instantaneous delivery that tested gas flows through soap film flowmeter is calculated, and by monolithic
Machine 16 sends signal and is shown on display screen 17.Subsequent soap-film continues to rise, after soap-film rises to 5 top of soap-film pipe, due to
The effect soap-film deformation fracture of air pressure, broken soap-film liquid are automatically flowed into soap-film liquid retracting device 2, tested in soap-film pipe 5
Gas is then discharged from gas outlet 1.When needing to remove discarded soap-film liquid, lower soap-film liquid retracting device can be directly dismantled with hand
2, it pours out and cleans.
The beneficial effects of the utility model are：
1. have when the residue accumulation influence normal use of gas outlet, soap-film inside pipe wall or in soap-film liquid retracting device
During soap lye, lower soap-film liquid retracting device, individually cleaning gas outlet, soap-film pipe and soap-film liquid retracting device can be dismantled conveniently with hand
Inner wall, ensure that the accuracy of measurement；
2. the thrust platform of soap lye pond upper body and the elastic washer of soap-film pipe upper end play fixation in soap-film pipe axial direction,
Prevent soap-film pipe from being moved axially in measurement process, after avoiding the calibration of electronics soap film flowmeter, volume changes；
3. can observe soap lye liquid level by the transparent exterior of soap lye pond upper body when measuring and whether soap-film forms, keep away
Error is measured caused by when exempting from measurement；
4. the detection light source for avoiding natural light and daylight modulation frequency avoids the influence of external environment, reliability is high, resists
Interference performance is strong；
5. when observing data and operation, display screen and keyboard angle are vertical with sight, facilitate observation, also avoid pressing
Since the problem of Impact direction moves instrumented site during button, the accuracy of measurement data ensure that；
6. make installation, debugging more convenient using the fixed mode of screw between the microcontroller and rear shell of soap film flowmeter, and its
It is convenient with keyboard line, and reduce wire length, also ensure the stability of microcontroller position in instrument；
7. the shape sectional gland bush identical with soap lye bottom of pond seat ensure that the air-tightness in soap lye pond, tested gas is prevented
It leaks, it is ensured that the accuracy and reliability of measurement；
The preferred embodiment of the utility model, still, the utility model and unlimited are described in detail above in association with attached drawing
Detail in the above embodiment, can be to the skill of the utility model in the range of the technology design of the utility model
Art scheme carries out a variety of simple variants, these simple variants belong to the scope of protection of the utility model.
In addition, it can also be combined between a variety of embodiments of the utility model, as long as it is not disobeyed
The thought of the utility model is carried on the back, should equally be considered as content disclosed in the utility model.
Claims (7)
1. a kind of electronics soap film flowmeter, it is characterised in that：It is recycled by a kind of electronics soap film flowmeter by gas outlet, soap-film liquid
Device, elastic washer, infrared transmitting tube, soap-film pipe, elastic seal ring, soap lye pond, push-pull rod, skinning frame, air inlet, temperature pass
Sensor component, rear shell, front housing, infrared receiving tube, photoelectricity fixed seat, microcontroller, display screen, keyboard composition；
The skinning frame is connected with push-pull rod to be arranged in soap lye pond, under the bottom surface of soap-film pipe, if there are one thrust platforms；
The outlet mouth-shaped is cupuliform, is provided with an outlet nozzle on the surface and is communicated with inside, the outlet nozzle is located at outlet
On the outer surface of mouth, the outlet nozzle and gas outlet are coaxial, and several square boss are provided in the outer circle of the gas outlet,
It is fixedly connected with soap-film liquid retracting device；
The soap-film pipe uses the structure of tubulose, is mounted with that one has soap-film liquid retracting device, soap in soap-film pipe upper end outer surface
Film liquid retracting device employs elastic material and is made, and internal diameter size is less than soap-film pipe outside diameter size, soap-film liquid retracting device
Inner wall sleeve is on the outer wall of soap-film pipe upper end, and gas outlet skewer enters in soap-film liquid retracting device and is tightly connected with it, in soap-film liquid
It is set among the inside and outside wall of retracting device and there are one recessed accumulator tank, is used to recycle the soap-film liquid formed after soap-film rupture
And other mixtures；The inside outer wall of soap-film liquid retracting device is provided with several square grooves, and on gas outlet
Boss size is coincide, and is fixedly connected with gas outlet and soap-film liquid retracting device；
Groove A and lower groove B are provided on the soap-film pipe；
The elastic washer is fixed on the outer wall of soap-film pipe, by screw, adjusts the distance between photoelectricity fixed seat and front housing,
After compressing elastic washer, soap-film pipe with front housing is fixed together, prevents from being subjected to displacement between soap-film pipe and photoelectricity fixed seat, protected
Position and the relative position of two pairs of infrared transmitting tubes, infrared receiving tube between two groove of card soap-film pipe is constant；
The photoelectricity fixed seat is fixed on by elastic washer on the outer wall of soap-film pipe；
The microcontroller is screwed in rear shell；
The temperature sensor assembly is in rear shell, with monolithic mechatronics；
The display screen, keyboard are fixed on front housing, with monolithic mechatronics；
The infrared transmitting tube and infrared receiving tube are divided into upper and lower two pairs, are fixed on correspondingly in photoelectricity fixed seat, and with
Monolithic mechatronics；
The soap lye pond is made of soap lye pond upper body, sectional gland bush, soap lye bottom of pond seat, and soap lye pond global shape is upper opening
Container, the lower face of the soap lye pond upper body is tightly connected with soap lye bottom of pond seat by sectional gland bush, on soap lye pond
The top of body sets the platform there are one opening, and is recessed into soap lye pond, thrust platform of the upper surface as soap-film pipe lower end, institute
State thrust platform and soap-film pipe be coaxial, internal diameter size be equal to or more than soap-film pipe internal diameter size, support and prevent soap-film pipe to
Lower movement is additionally provided with air inlet on the surface of soap lye pond upper body, and the intake port shape is hollow cylinder, and air inlet is located at
The outer surface of soap lye pond upper body is communicated with inside, and air inlet central axis is in the outer surface of soap lye pond upper body；
It is tightly connected between the soap-film pipe and soap lye pond upper body by elastic seal ring.
2. a kind of electronics soap film flowmeter according to claim 1, it is characterised in that:On the gas outlet and soap lye pond
Body uses transparent material.
3. a kind of electronics soap film flowmeter according to claim 1, it is characterised in that：The intake port shape is open circles
Column is communicated with inside, and the air inlet central axis is in the upper surface of soap lye pond upper body.
4. a kind of electronics soap film flowmeter according to claim 1, it is characterised in that：The soap-film liquid retracting device shape
It is the revolving body of concave character type for sidewall sections.
5. a kind of electronics soap film flowmeter according to claim 1, it is characterised in that：The soap-film liquid retracting device, bullet
Property washer and elastic seal ring are made of elastic material.
6. according to a kind of electronics soap film flowmeter described in claim 1, it is characterised in that：The infrared transmitting tube and infrared receiver
The carrier frequency of pipe is 26 ~ 46KHz.
7. a kind of electronics soap film flowmeter according to claim 1, it is characterised in that：The bottom surface of the soap-film pipe has
One thrust platform is arranged on the upper body of soap lye pond or is fixed together with soap lye pond upper body, for support and prevents soap-film pipe
It moves axially downwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721247106.7U CN207407942U (en) | 2017-09-27 | 2017-09-27 | A kind of electronics soap film flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721247106.7U CN207407942U (en) | 2017-09-27 | 2017-09-27 | A kind of electronics soap film flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207407942U true CN207407942U (en) | 2018-05-25 |
Family
ID=62406519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721247106.7U Active CN207407942U (en) | 2017-09-27 | 2017-09-27 | A kind of electronics soap film flowmeter |
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| Country | Link |
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| CN (1) | CN207407942U (en) |
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2017
- 2017-09-27 CN CN201721247106.7U patent/CN207407942U/en active Active
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