CN208780257U - It is a kind of for observing the device of saturated vapor - Google Patents
It is a kind of for observing the device of saturated vapor Download PDFInfo
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- CN208780257U CN208780257U CN201821568251.XU CN201821568251U CN208780257U CN 208780257 U CN208780257 U CN 208780257U CN 201821568251 U CN201821568251 U CN 201821568251U CN 208780257 U CN208780257 U CN 208780257U
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Abstract
The utility model discloses a kind of for observing the device of saturated vapor, including bracket, the bracket includes the first panel and second panel fitted closely by nut and bolt, and pedestal, the first panel and the second panel pass through fixed column respectively and are fixed on the pedestal, and the first panel and the second panel offer coaxially arranged mounting hole respectively, the first panel is equipped with fixed station, control chip, bluetooth module and lifting device, the second panel is equipped with warm and humid sensor and syringe, pressure/temperature sensor is equipped in the conduit being connected with the outlet of the syringe, and the exit of the conduit is provided with sealing structure.By the variation of sensor monitoring temperature and pressure, show in the form of data, can intuitively react the variation of pressure and temperature in syringe, to understand the formation and variation of saturated vapor.
Description
Technical field
The utility model relates to experimental provision technical fields, and in particular to a kind of for observing the device of saturated vapor.
Background technique
In the certain airtight vacuum container of temperature, the molecular number of evolution liquid is certain in the unit time, and unit
The intracorporal molecular number of rework solution then increases with the increase of vapour density in time.When the two is just equal, claim this liquid same
Its vapour is in dynamic equilibrium.From this point on, it stopped macroscopically seeing Evaporation Phenomenon just.At this moment vapour becomes saturated vapor.
Since this is a dynamic equilibrium, Le Chatelier's principle is followed: in a reaction for having reached balance,
If the change affects that one of the condition of balance, such as temperature, pressure, volume, it balances and is moved towards the direction that can weaken this change
It is dynamic.
When temperature-resistant, when volume increases, pressure reduces, and balances mobile to vaporization direction, and pressure is gradually increased, until reaching
To new balance.Conversely, when volume is reduced, pressure increases when temperature-resistant, balance to the movement of liquefaction direction, pressure gradually subtracts
It is small, until reaching new balance.
Work as constancy of volume, when temperature increases, balances to the movement of vaporization direction, pressure is gradually increased, then balances to liquefaction
Direction is mobile, and pressure is gradually reduced, until reaching new balance.Conversely, working as constancy of volume, when temperature reduces, balance to liquefaction
Direction is mobile, and pressure is gradually reduced, and then balances to the movement of vaporization direction, and pressure is gradually increased, until reaching new balance.
The dynamic equilibrium change procedure of saturated vapor is that naked eyes can not be directly observed, and is had only by changing temperature or body
Product, to observe the dynamic change of saturated vapor by the variation of observation pressure, still, not have for observing also on the market at present
The experimental provision of saturated vapor.
In consideration of it, inventor furthers investigate the above problem, there is this case generation then.
Utility model content
The purpose of this utility model is to provide one kind to observe the dress of saturated vapor dynamic change by observing pressure change
It sets.
In order to achieve the above object, the utility model uses such technical solution: a kind of for observing the dress of saturated vapor
It sets, including bracket, the bracket includes the first panel and second panel fitted closely by nut and bolt, and fixed
Seat, the first panel and the second panel pass through fixed column respectively and are fixed in the fixing seat, and the first panel
Coaxially arranged mounting hole is offered respectively with the second panel, and the first panel is equipped with fixed station, control chip, indigo plant
Tooth module and lifting device, the second panel are equipped with warm and humid sensor and syringe, lead with what the outlet of the syringe was connected
Pressure/temperature sensor is equipped in pipe, and the exit of the conduit is provided with sealing structure, the output end of the control chip
Input terminal corresponding with the bluetooth module and output end are connected respectively with input terminal, the warm and humid sensor and the pressure temperature
Degree sensor is connected with the input terminal of the control chip respectively.
Preferably, the lifting device includes the motor being mounted in the first panel, mounting box, motor driven mould
Block, power supply adaptor, screw rod and the lifting nut being sheathed on the screw rod, and be arranged in each mounting hole and with it is described
The lifting platform that lifting nut is fixedly connected, the mounting box are provided with drive bevel gear and driven wheel of differential, the motor
Output shaft is connected with the drive bevel gear, and driven wheel of differential is connect with screw rod, and drive bevel gear and driven wheel of differential are mutually nibbled
It closes, the output end of the power supply adaptor is connected with the power input of the motor drive module, described to control the defeated of chip
Outlet is connected with the input terminal of the motor drive module, and the output end of the motor drive module is connected with the motor.
Preferably, the screw pitch range of the screw rod is 0.2mm-0.8mm.
Preferably, the push rod of the syringe is fixed on the lifting platform.
Preferably, the second panel is equipped with fixing seat, and fixing seat includes the connection being fixedly connected in second panel
Plate and the fixed plate being fixedly connected on the connecting plate, and the fixed seating is in the top of the lifting platform.
Preferably, display screen, sound equipment, upward control key and downward control key are installed in the first panel, it is described
Display screen and the sound equipment are connected with the output end of the control chip respectively, the upward control key and the downward control key
It is connected respectively with the input terminal of the control chip.
Preferably, the bracket is organic glass bracket.
Preferably, described device further includes the temperature control module of a control syringe temperature, and the temperature control module is wrapped in needle
On the outer wall of cylinder.
Preferably, described device further includes terminal device, the terminal device by radio connection respectively with it is described
The output end of bluetooth module is connected with input terminal.
By using previous designs scheme, the beneficial effects of the utility model are: passing through pressure/temperature sensor monitoring temperature
Degree and pressure, can intuitively react the variation of pressure and temperature in syringe, to understand the formation and variation of saturated vapor;
Further, manual adjustment push rod is replaced using motor and screw rod cooperation control syringe push rod, saves manual behaviour
That makees is cumbersome, while but also operation is more stable;
Further, it uses the lesser screw rod of screw pitch to reduce motor speed, syringe push rod is slowed down with this and is moved up and down
Speed;
Further, by the way that display screen and sound equipment are arranged in first panel, pressure, temperature, wet is shown on a display screen
The registration of degree and registration is broadcasted by sound equipment, so that experimental provision is more intelligent, makes experimental observation easier to be intuitive;
Further, using organic glass as mounting bracket, since bracket is transparent, facilitate on one side observation syringe push away
Pressure data variation is observed in the movement of bar on one side;
Further, pass through syringe outer wall wrap up temperature control module control syringe temperature, it is ensured that experimental data it is accurate
Property;
Further, which is controlled by terminal device, pass through terminal device operation experiments and collects experiment number
According to easy to operate.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model;
Fig. 2 is the syringe of the utility model and the structural schematic diagram of screw rod;
In figure: 1A, bracket, 11A, first panel, 12A, second panel, 13A, pedestal, 14A, fixed column, 15A, fixation
Platform, 1, control chip, 2, motor drive module, 3, bluetooth module, 4, power supply adaptor, 5, sound equipment, 6, display screen, 7, control upwards
Key processed, 8, downward control key, 9, mounting box, 10, motor, 11, screw rod, 12, screw holder, 13, fixing seat, 131, connection
Plate, 132, fixed plate, 14, syringe, 141, push rod, 15, warm and humid sensor, 16, lifting platform, 17, conduit, 18, pressure/temperature biography
Sensor.
Specific embodiment
Below with reference to the attached drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear
Chu is fully described by, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole realities
Apply example.Based on the embodiments of the present invention, those of ordinary skill in the art institute without making creative work
The every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figs. 1-2, a kind of for observing the device of saturated vapor, including bracket 1A, lifting device, control chip 1, indigo plant
Tooth module 3, syringe 14, warm and humid sensor 15, conduit 17, pressure/temperature sensor 18 and temperature control module.
Syringe 14 is high temperature resistant syringe, to heat to syringe 14 in experimentation.
With close to pedestal direction be under, otherwise with far from pedestal direction be it is upper, with the side of bracket 1A width direction
For a left side, the corresponding other side is the right side.
Bracket 1A includes using first panel 11A, second panel 12A, pedestal 13A, fixed column 14A made of organic glass
Coaxially arranged mounting hole, and first panel 11A are offered respectively with fixed station 15A, first panel 11A and second panel 12A
On mounting hole be the first mounting hole, the mounting hole on second panel 12A is the second mounting hole, first panel 11A and the second face
Plate 12A is fitted closely by screw bolt and nut, and is fixed tightly on pedestal 13A by bolt, nut and fixed column 14A respectively.
The right part of first panel 11A is from top to bottom sequentially installed with control chip 1, motor drive module 2, bluetooth module 3
With power supply adaptor 4, wherein control control chip of the chip as the present embodiment using model Arduino Mega 2560
1, the motor drive module 2 using model L298N motor drive module as the present embodiment.
The left part of first panel 11A is from top to bottom sequentially installed with sound equipment 5, display screen 6, upward control key 7 and control downwards
Key 8 processed.Motor drive module 2, sound equipment 5 and display screen 6 are connected with the output end of control chip 1 respectively, motor drive module 2
Power input is connected with the output end of power supply adaptor 4, control chip 1 output end and input terminal respectively with bluetooth module 3
Corresponding input terminal is connected with output end.
Lifting device is installed on bracket 1A, this lifting device includes the mounting box 9 being mounted on first panel 11A, electricity
Motivation 10, motor drive module 2, power supply adaptor 4, screw rod 11 and the lifting nut being set on screw rod 11, and be arranged in
The lifting platform 16 of first mounting hole and the second mounting hole.Drive bevel gear and driven wheel of differential are installed in mounting box 9.This implementation
Example uses screw pitch for the screw rod 11 of 0.2mm, is risen or fallen by lifting nut along screw rod 11, so that lifting platform 16 be driven to rise
Or decline.
Fixed station 15A is bonded on the first panel 11A of the lower section of the first mounting hole, and offers one on fixed station 15A
A perforation.Mounting box 9 is fixedly connected on the lower end surface of fixed station 15A, the drive bevel gear in mounting box 9 and motor 10
Output shaft is connected, and drive bevel gear is meshed with driven wheel of differential, perforation and driven wheel of differential of the screw rod 11 across fixed station 15A
It is connected, and is fixed on first panel 11A by the screw holder 12 of the first mounting hole upper and lower ends, the input of motor 10
End is connected with the output end of motor drive module 2.
Second panel 12A is equipped with fixing seat 13, and fixing seat 13 includes being fixedly connected on by the cooperation of bolts and nuts
Connecting plate 131 on second panel 12A and the fixed plate 132 being fixedly connected on connecting plate 131, and the fixing seat 13 is located at
The top of the lifting platform 16.Syringe 14 resistant to high temperature is fixedly mounted by screw bolt and nut in fixed plate 132.
Warm and humid sensor 15, the input of the output end and control chip 1 of warm and humid sensor 15 are installed on second panel 12A
End is connected, and warm and humid sensor 15 is used to monitor the temperature and humidity of atmosphere, and the numerical value monitored is sent to control chip 1.
Lifting platform 16 is arranged in the first mounting hole and the second mounting hole, one end matching by bolts and nuts of lifting platform 16
It closes and is fixedly connected with the lifting nut being set on screw rod 11, the other end of lifting platform 16 and the fixed company of the push rod 141 of syringe 14
It connects.It opens motor 10 to be allowed to that drive bevel gear and driven wheel of differential is driven to rotate, to drive screw rod 11 to rotate, so that lifting
Nut rises or falls along screw rod 11, since one end of lifting platform 16 is fixedly connected with the push rod 141 of syringe 14, and syringe 14
It is fixedly connected in fixed plate 132, therefore, lifting platform 16 can prevent lifting nut from rotating with screw rod 11, it is ensured that lifting spiral shell
Mother is only capable of rising or falling under the drive of screw rod 11 along screw rod 11.By using motor 10, drive bevel gear, from mantle
Rising or falling for the push rod 141 of the cooperation control syringe 14 of gear, screw rod 11 and lifting nut, is replaced artificial by the cooperation
Push rod 141 is adjusted, so that lifting nut is at the uniform velocity gone up and down, so that operation is more stable, saves the trouble of manual operation, Ke Yigeng
Add the variation of absorbed observation experiment data.
The exit of syringe 14 is connected with one end of conduit 17, exit of the other end of conduit 17 as conduit, and interior
Portion is equipped with pressure/temperature sensor 18, and the exit of conduit is equipped with sealing structure, in the present embodiment using colloid seal bond come
The output end of the outlet of sealing duct, pressure/temperature sensor 18 is connected with the input terminal of control chip 1, pressure/temperature sensor
18 are sent to control chip 1 for monitoring the numerical value of temperature and pressure in syringe, and by the numerical value monitored.
It is enclosed with temperature control module on the outer wall of syringe 14, the embodiment is using conventional silicone rubber heating sheet as temperature control mould
Block, for controlling the temperature of liquid in syringe 14.
Specifically, the device further includes terminal device, terminal device by radio connection respectively with bluetooth module 3
Output end is connected with input terminal.
Below by way of two embodiments, concrete application of the device in saturated vapor observation process is illustrated.
Embodiment 1
With the volume of the upper end of push rod to conduit 17 for volume for experiment in the embodiment.
As shown in Figs. 1-2, conduit 17 is extracted from the exit of syringe 14, firstly, the air in syringe 14 is extracted out, is made
It obtains syringe 14 and is in vacuum state, then, volatile ethanol solution is injected in syringe 14 by the outlet, then, will led
Air extraction in pipe 17, and conduit 17 is connect with the outlet of syringe 14.Will control chip 1 and power supply adaptor 4 respectively with
External power supply is connected, and external power supply is all electronics of the device.
Pressure/temperature sensor 18 in conduit 17 monitors temperature and pressure in syringe 14, and showing temperature and pressure
Number is transmitted to control chip 1, this registration is sent to display screen 6 and shown by control chip 1, while being broadcasted primary this with sound equipment 5 and being shown
Number.
Warm and humid sensor 15 on second panel 12A monitors the temperature and humidity of atmosphere, and by the registration of temperature and humidity
It is transmitted to control chip 1, this registration is sent to display screen 6 and shown by control chip 1.
Ethanol solution in syringe 14 persistently volatilizees, and the pressure in the vaporescence syringe 14 is gradually increased, until syringe
The vaporization and liquefaction of ethanol solution reach dynamic equilibrium in 14, escape the molecular number of liquid in the unit time at this time and return to liquid
Molecular number it is equal, then the pressure in syringe 14 no longer changes, the air pressure in syringe 14 at this time be saturated vapor pressure.
The usage mode that the device can control variable by following four observes saturated vapor.
In the case where temperature-resistant, control key 7 is pressed up, control chip 1 sends instruction starting motor drive module
2, the drive bevel gear in mounting box 9 rotates under the drive of motor 10, so, the slave mantle tooth being connected with drive bevel gear
Wheel drives screw rod 11 to rotate, and the lifting nut on screw rod 11 rises along screw rod 11 drives lifting platform 16 to rise therewith, i.e. promotion needle
The push rod 141 of cylinder 14 rises, and according to experiment demand, is needing to stop to press up control key 7 again when push rod 141 rises, control
Coremaking piece 1 sends instruction and stops motor drive module 1, and motor 10 is made to stop operating, and push rod 141 stops rising, and allows syringe 14
The interior volume for experiment remains unchanged;The temperature and pressure in syringe 14 are monitored according to the pressure/temperature sensor 18 in conduit 17
Strong variation, and monitoring data are transmitted to control chip 1, it is transmitted on display screen 6 and is shown by control chip 1, while using sound
It rings 5 and broadcasts this primary registration, with the rising of push rod 141, the volume for experiment in syringe 14 reduces, and causes in syringe 14
Gas be in hypersaturated state, become larger so as to cause pressure, push rod 141 stop rise after a period of time in, syringe 14
Interior alcohol gas constantly liquefies, so that pressure gradually becomes smaller, until reaching new balance, i.e., when pressure registration no longer changes,
Air pressure in syringe 14 is saturated vapor pressure.
In the case where temperature-resistant, downward control key 8 is pressed, control chip 1 sends instruction starting motor drive module
2, the drive bevel gear in mounting box 9 rotates under the drive of motor 10, so, the slave mantle tooth being connected with drive bevel gear
Wheel drives screw rod 11 to rotate, and the lifting nut on screw rod 11 drives lifting platform 16 to decline therewith, that is, drives the push rod 141 of syringe 14
Decline presses downward control key 8 when needing to stop push rod 141 and declining according to experiment demand again, and the control transmission of chip 1 refers to
It enables and stops motor drive module 1, motor 10 is made to stop operating, push rod 141 stops decline, allows body in syringe 14 for experiment
Product remains unchanged;The temperature and pressure change in syringe 14 are monitored according to the pressure/temperature sensor 18 in conduit 17, and will prison
Measured data is transmitted to control chip 1, is transmitted on display screen 6 and shows by controlling chip 1, at the same with sound equipment 5 broadcast it is primary this
Registration, with the decline of push rod 141, the volume in syringe 14 for experiment increases, and the gas in syringe 14 is caused to be in not
The state of saturation, becomes smaller so as to cause pressure, and push rod 141 stopped in a period of time after decline, the ethanol in syringe 14
Body constantly vaporizes, so that pressure becomes larger, until reaching new balance, i.e., when pressure registration no longer changes, in syringe 14
Air pressure is saturated vapor pressure.
When not starting motor drive module 2, i.e., it is used for the constancy of volume of experiment in holding syringe 14, passes through temperature control module
Syringe 14 is heated, is heated to keep temperature-resistant when experiment required temperature;According to the pressure/temperature sensing in conduit 17
Device 18 monitors the temperature and pressure change in syringe 14, and monitoring data are transmitted to control chip 1, is passed by control chip 1
It is sent on display screen 6 and shows, while broadcasting this primary registration, as the temperature rises, the ethanol liquid in syringe 14 with sound equipment 5
Accelerate vaporization, the steam in syringe 14 is in hypersaturated state at this time, can observe that pressure becomes larger, then and gradually become
Small, until reaching new balance, i.e., when pressure registration no longer changes, the air pressure in syringe 14 is saturated vapor pressure.
When not starting motor drive module 2, i.e., it is used for the constancy of volume of experiment in holding syringe 14, passes through temperature control module
Syringe 14 is cooled down, keeps temperature-resistant when being cooled to experiment required temperature;According to the pressure/temperature sensing in conduit 17
Device 18 monitors the temperature and pressure change in syringe 14, and monitoring data are transmitted to control chip 1, is passed by control chip 1
It is sent on display screen 6 and shows, while broadcasting this primary registration with sound equipment 5, the ethanol solution with the reduction of temperature, in syringe 14
Accelerate liquefaction, the steam in syringe 14 is in undersaturated condition at this time, can observe that pressure gradually becomes smaller, then and gradually become
Greatly, until reaching new balance, i.e., when pressure registration no longer changes, the air pressure in syringe 14 is saturated vapor pressure.
Embodiment 2
The present embodiment the difference from embodiment 1 is that: as shown in Figs. 1-2, by terminal device to control chip 1 send control
System instruction.This terminal device is connected with the output end of bluetooth module 3 and input terminal respectively by radio connection, terminal device
Control instruction is sent to bluetooth module 2, control instruction is sent to control chip 1 by bluetooth module 2, is controlled by control chip 1
Motor drive module 2 opens or closes, meanwhile, control chip 1 by the data transmission of the temperature monitored, humidity and pressure extremely
Bluetooth module 3, then, bluetooth module 3 show this data transmission to terminal device.
It by above-mentioned saturated vapor observation device, is monitored using sensor for temperature, humidity, pressure, so that syringe 14
The vaporization of interior volatile liquid or liquefaction process can be shown in the form of data, observe needle by the monitoring of data
Whether the steam in cylinder 14 reaches saturation state, and drives the push rod 141 of syringe 14 to rise or fall by lifting device, compares
It is more stable in manual operation, meanwhile, the trouble of manual operation is saved, the variation for the observation experiment data that can be more absorbed in.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (9)
1. a kind of for observing the device of saturated vapor, including bracket, it is characterised in that: the bracket includes passing through nut and bolt
The first panel and second panel and pedestal fitted closely, the first panel and the second panel pass through fixation respectively
Column is fixed on the pedestal, and the first panel and the second panel offer coaxially arranged mounting hole, institute respectively
It states first panel and is equipped with warm and humid sensing equipped with fixed station, control chip, bluetooth module and lifting device, the second panel
Device and syringe are equipped with pressure/temperature sensor in the conduit being connected with the outlet of the syringe, and the exit of the conduit is set
It is equipped with sealing structure, the output end of the control chip and input terminal input terminal corresponding with the bluetooth module and output respectively
End is connected, and the warm and humid sensor and the pressure/temperature sensor are connected with the input terminal of the control chip respectively.
2. according to claim 1 a kind of for observing the device of saturated vapor, it is characterised in that: the lifting device includes
It the motor that is mounted in the first panel, mounting box, motor drive module, power supply adaptor, screw rod and is sheathed on described
Lifting nut on screw rod, and the lifting platform for being arranged in each mounting hole and being fixedly connected with the lifting nut, it is described
Mounting box is provided with drive bevel gear and driven wheel of differential, and the output shaft of the motor is connected with the drive bevel gear, from
Dynamic bevel gear is connect with screw rod, drive bevel gear and driven wheel of differential intermeshing, the output end of the power supply adaptor and institute
The power input for stating motor drive module is connected, the output end of the control chip and the input terminal of the motor drive module
It is connected, the output end of the motor drive module is connected with the motor.
3. according to claim 2 a kind of for observing the device of saturated vapor, it is characterised in that: the screw pitch model of the screw rod
It encloses for 0.2mm-0.8mm.
4. according to claim 2 a kind of for observing the device of saturated vapor, it is characterised in that: the push rod of the syringe is solid
Due on the lifting platform.
5. according to claim 2 a kind of for observing the device of saturated vapor, it is characterised in that: set in the second panel
There is a fixing seat, fixing seat includes the connecting plate being fixedly connected in second panel and the fixation that is fixedly connected on the connecting plate
Plate, and the fixed seating is in the top of the lifting platform.
6. according to claim 1 a kind of for observing the device of saturated vapor, it is characterised in that: in the first panel
Display screen, sound equipment, upward control key and downward control key be installed, the display screen and the sound equipment respectively with the control core
The output end of piece is connected, and the upward control key and the downward control key are connected with the input terminal of the control chip respectively.
7. according to claim 1 a kind of for observing the device of saturated vapor, it is characterised in that: the bracket is organic glass
Glass bracket.
8. according to claim 1 a kind of for observing the device of saturated vapor, it is characterised in that: described device further includes one
The temperature control module of a control syringe temperature, the temperature control module are wrapped on the outer wall of syringe.
9. according to claim 1 a kind of for observing the device of saturated vapor, it is characterised in that: described device further includes end
End equipment, the terminal device are connected with the output end of the bluetooth module and input terminal respectively by radio connection.
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Cited By (1)
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CN109141530A (en) * | 2018-09-25 | 2019-01-04 | 杨利 | It is a kind of for observing the device of saturated vapor |
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2018
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CN109141530A (en) * | 2018-09-25 | 2019-01-04 | 杨利 | It is a kind of for observing the device of saturated vapor |
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