CN108918585A - Gaseous state procedural test system - Google Patents
Gaseous state procedural test system Download PDFInfo
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- CN108918585A CN108918585A CN201810860228.6A CN201810860228A CN108918585A CN 108918585 A CN108918585 A CN 108918585A CN 201810860228 A CN201810860228 A CN 201810860228A CN 108918585 A CN108918585 A CN 108918585A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/20—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N7/00—Analysing materials by measuring the pressure or volume of a gas or vapour
- G01N7/14—Analysing materials by measuring the pressure or volume of a gas or vapour by allowing the material to emit a gas or vapour, e.g. water vapour, and measuring a pressure or volume difference
- G01N7/16—Analysing materials by measuring the pressure or volume of a gas or vapour by allowing the material to emit a gas or vapour, e.g. water vapour, and measuring a pressure or volume difference by heating the material
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Abstract
Gaseous state procedural test system is thermodynamics instrument,By glass tube,Volume sensor,Temperature sensor,Hole piston,Vertical support frame,Pressure sensor,Counterweight,Sleeve,Transmission shaft,Horizontal support,CCD displacement sensor,Spiral heating wire,Solenoid valve,Whirlpool leaf,Miniature low-speed motor,Temperature controlled heater and state procedure recorder composition,Vertical support frame,Horizontal support,Glass tube and sleeve constitute station fixed part,Hole piston,Transmission shaft,Bracket and counterweight constitute station movable part,Spiral heating wire and Temperature controlled heater constitute gas heating part,Volume sensor,Pressure sensor,Temperature sensor,CCD displacement sensor and state procedure recorder constitute data collection and analysis part,This system is suitable for that the different perfect gases or non-ideal gas behaviors characteristic of batch are tested and be can be carried out to automatically record,It automatically analyzes and prints,For mitigating the workload of tester,Improve the accuracy of data.
Description
Technical field
The present invention relates to the acquisition of the data of gaseous state process and test equipment more particularly to gaseous state procedural test systems
System, belongs to Thermodynamic techniques field.
Background technique
The Ideal-Gas Equation is description perfect gas in beinthebalancestate, pressure, volume, the amount of substance and temperature
Between relationship state equation, have The Ideal-Gas Equation in high school physics elective course and general physics of college course
Content and its laboratory apparatus are explained, belongs to an important chapters and sections, this respect has more paper publishing or patent skill
Art, but in existing ideal gas state equation experimental instrument device, belong to manual record experimentation mostly, this is for a small amount of
Its workload is also fine for lecture experiment or student experiment in group, but for the different perfect gases or non-ideal gas of batch
If body, which carries out state characteristic test, there is heavy workload using manual record and the method for analysis one by one, tester is easy tired
Labor, record data are easy the defect of error.
Summary of the invention
The purpose of the present invention is to provide a kind of different perfect gases or imperfect gas progress being suitable for batch
The test macro of gaseous state characteristic test and the automation that can be automatically recorded, automatically analyze and print or semi-automation.
The technical problem to be solved by the present invention is to what is be achieved through the following technical solutions：The system is by pedestal (1), pad
Foot (2), glass tube (3), volume sensor (4), tip temperature sensor (5), hole piston (6), vertical support frame (7), pressure
Sensor (8), screw (9), core pipe (10), transmission shaft (11), bracket (12), infrared transmitter (13), counterweight (14), interface
(15), infrared emission window (16), sleeve (17), horizontal support (18), deck (19), CCD displacement sensor (20), heat proof cable
(21), gas (22), spiral heating wire (23), buckle (24), air inlet pipe (25), bottom temp sensor (26), solenoid valve
(27), whirlpool leaf (28), miniature low-speed motor (29), seal receptacle (30), sealing ring (31), locking bolt (32), transmission line (33), into
Port (34), Temperature controlled heater (35), output end (36), infrared receiving window (37), selection key (38), printer interface (39),
State procedure recorder (40) and input terminal (41) composition.
Vertical support frame (7), horizontal support (18), glass tube (3) and sleeve (17) constitute station fixed mechanism, work with holes
It fills in (6), transmission shaft (11), bracket (12) and counterweight (14) and constitutes station movable device, spiral heating wire (23) and temperature control add
Hot device (35) constitutes gas heater structure, and infrared transmitter (13), infrared emission window (16) and infrared receiving window (37) constitute pressure
Force signal transmission mechanism, volume sensor (4), pressure sensor (8), tip temperature sensor (5), bottom temp sensor
(26), CCD displacement sensor (20) and state procedure recorder (40) constitute data collection and analysis mechanism.
It is equipped with vertical support frame (7), horizontal support (18), sealing ring (31) and glass tube (3) above pedestal (1), laterally props up
Frame (18) is double-layer structure, and every layer of horizontal support (18) is in asterism on top view, and the cross section of horizontal support (18) is convex
Font, horizontal support (18) center are equipped with sleeve (17), and the outer end of horizontal support (18) passes through screw (9) and vertical support frame (7)
Top connection, vertical support frame (7) bottom end are connect by screw (9) with pedestal (1), glass tube (3) bottom embedding sealing circle (31)
Interior, the inside of glass tube (3) bottom is equipped with miniature low-speed motor equipped with whirlpool leaf (28), pedestal (1) center and below pedestal (1)
(29), the main shaft of miniature low-speed motor (29) passes through pedestal (1) and connect afterwards with whirlpool leaf (28), and air inlet pipe is equipped with below pedestal (1)
(25), air inlet pipe (25) one end is set as air inlet (34) after passing through pedestal (1) vertically upward by elbow, close to air inlet (34)
Air inlet pipe (25) be equipped with solenoid valve (27), basin shape seal receptacle (30) is equipped with below pedestal (1), seal receptacle (30) will be miniature low
The elbow of speed motor (29), solenoid valve (27) and air inlet pipe (25) is sealed in below pedestal (1).
Glass tube (3) inner wall shallow-layer is embedded with spiral heating wire (23), tip temperature sensor (5) and bottom temp sensor
(26), volume sensor (4) are equipped on the outside of glass tube (3), Temperature controlled heater (35) includes temperature setting knobs, temperature display mould
Block and a measurement input terminal and two output ends (36), two output ends are respectively to heat output end and temperature data output
End, tip temperature sensor (5) and bottom temp sensor (26) pass through heat proof cable (21) and Temperature controlled heater (35) respectively
The connection of measurement input terminal, spiral heating wire (23) connected by the heating output end of heat proof cable (21) and Temperature controlled heater (35)
It connects；Deck (19) are equipped with below the horizontal support (18) of bottom, deck (19) is embedded with CCD displacement sensor (20), CCD displacement
The camera lens of sensor (20) is towards transmission shaft (11).
Sleeve (17) is equipped with locking bolt (32), and sleeve (17) is embedded with transmission shaft (11) that can be up and down, is driven
The axis center of axis (11) is equipped with core pipe (10), and core pipe (10) is embedded with shielding line, transmission shaft (11) bottom and in transmission shaft (11)
It is embedded with pressure sensor (8), the interface that pressure sensor (8) passes through shielding line and infrared transmitter (13) in core pipe (10)
(15) it connects, transmission shaft (11) bottom end is equipped with the round-meshed hole piston in center (6), and hole piston (6) makes the pressure of gas (22)
Power is directly applied on pressure sensor (8), and transmission shaft (11) top end is equipped with bracket (12) and infrared transmitter (13), support
Counterweight (14) are placed above frame (12), infrared transmitter (13) is equipped with infrared emission window towards state procedure recorder (40) side
(16)。
The infrared receiving window (37) for receiving infrared emission window (16) signal is equipped at the top of state procedure recorder (40),
State procedure recorder (40) panel front includes a printer interface (39), two display modules, three input terminals (41)
With five selection keies (38), two display modules are respectively pressure change display module and volume change display module, and three defeated
Entering end is respectively temperature data input terminal, displacement measurement input terminal and volumetric measurement input terminal, and five selection keies (38) are respectively
Constant volume process selection key, constant temperature process selection key, isobaric procedure selection key, gas constant selection key and printing selection key.
The system is moved upward or downward by tightening locking bolt (32) latching transmission shaft (11) stopping hole piston (6)
It is dynamic, the volume of gas (22) is kept constant, makes transmission shaft (11) and hole piston (6) can be to by unclamping locking bolt (32)
It above or moves down, i.e., does not influence increasing or reducing for gas (22) volume；Spiral shell is controlled by the setting of Temperature controlled heater (35)
So that the temperature of gas (22) is kept constant or is increased whether revolving the fever of heating wire (23), and spiral heating wire is made by whirlpool leaf (28)
(23) temperature of the temperature in time with gas (22) swaps, and guarantees the temperature of gas (22) everywhere in glass tube (3)
Unanimously；By on bracket (12) place counterweight (14) number and its quality size control hole piston (6) to gas (22)
Pressure, counterweight (14) is more and the quality of each counterweight is bigger, and hole piston (6) is bigger to the pressure of gas (22)；Counterweight
(14) less and the quality of each counterweight is smaller, hole piston (6) is smaller to the pressure of gas (22).
It include temperature data receiving module, pressure data receiving module, displacement measurement inside state procedure recorder (40)
Conversion volume module, volumetric measurement turn its amount module, keyboard scan and key generation module, gaseous state process record and analysis
Module, gaseous state chart attirbutes generation module and chart printing drive module；Temperature data receiving module, pressure data receive
Module, displacement measurement conversion volume module and volumetric measurement turn its amount module respectively with gaseous state process record and analysis module
Connection, five selection keies (38) connect with keyboard scan with key generation module, keyboard scan and key generation module and gas
State procedure record is connect with analysis module, gaseous state process record and analysis module respectively with pressure change display module,
Volume change display module is connected with gas state characteristic chart generating module, gaseous state chart attirbutes generation module and chart
Printing drive module connection, the connection of chart printing drive module are connect with printer interface；The temperature of state procedure recorder (40)
Degree data input pin is connect by data line with the temperature data output end of Temperature controlled heater (35), state procedure recorder (40)
Displacement measurement input terminal connect with CCD displacement sensor (20) by transmission line (33), the appearance of state procedure recorder (40)
Product measurement input terminal is connect by transmission line (33) with volume sensor (4).
Due to the adoption of the above technical scheme, advantage for present invention and good effect are：This system can be to ideal
The constant volume process of gas or imperfect gas, constant temperature process and isobaric procedure are automatically recorded, automatically analyzed and are printed, automatically
The gaseous state process picture sheet curve for forming respective description title, is suitable for the different perfect gases or non-ideal gas to batch
Body carries out gaseous state characteristic test, mitigates the workload of tester, reduces its degree of fatigue, improves the accuracy of data,
Suitable for institution of higher learning and the batch testing of the gaseous state characteristic in relation to enterprise.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples, and the present invention has following 5 width attached drawing：
Fig. 1 is the structural schematic diagram of this system station,
Fig. 2 is the top view of this system station,
Fig. 3 is the aerial lug figure of this system,
Fig. 4 is the location drawing of this system horizontal support and locking bolt,
Fig. 5 is the main body block diagram of state procedure recorder internal structure.
Marked in attached drawing each number respectively indicate it is as follows：
1. pedestal, 2. feets, 3. glass tubes, 4. volume sensors, 5. tip temperature sensors, 6. hole pistons, 7. vertical branch
Frame, 8. pressure sensors, 9. screws, 10. core pipes, 11. transmission shafts, 12. brackets, 13. infrared transmitters, 14. counterweights, 15. connect
Mouthful, 16. infrared emission windows, 17. sleeves, 18. horizontal supports, 19. decks, 20.CCD displacement sensor, 21. heat proof cables, 22.
Gas, 23. spiral heating wire, 24. buckles, 25. air inlet pipe, 26. bottom temp sensors, 27. solenoid valves, 28. whirlpool leaves, 29.
Miniature low-speed motor, 30. seal receptacles, 31. sealing rings, 32. locking bolts, 33. transmission lines, 34. air inlets, 35. Temperature controlled heaters,
36. output end, 37. infrared receiving windows, 38. selection keies, 39. printer interfaces, 40. state procedure recorders, 41. input terminals.
Specific embodiment
1. the system is by pedestal (1), feet (2), glass tube (3), volume sensor (4), top according to Fig. 1 to Fig. 5
Temperature sensor (5), hole piston (6), vertical support frame (7), pressure sensor (8), screw (9), core pipe (10), transmission shaft
(11), bracket (12), infrared transmitter (13), counterweight (14), interface (15), infrared emission window (16), sleeve (17), laterally branch
Frame (18), deck (19), CCD displacement sensor (20), heat proof cable (21), gas (22), spiral heating wire (23), buckle
(24), air inlet pipe (25), bottom temp sensor (26), solenoid valve (27), whirlpool leaf (28), miniature low-speed motor (29), sealing
Seat (30), sealing ring (31), locking bolt (32), transmission line (33), air inlet (34), Temperature controlled heater (35), output end (36),
Infrared receiving window (37), selection key (38), printer interface (39), state procedure recorder (40) and input terminal (41) composition.
This system is divided into two large divisions, and a part is mechanically actuated platform part, and another part is electronic measuring instrument part,
Wherein vertical support frame (7), horizontal support (18), glass tube (3) and sleeve (17) constitute station fixed mechanism, hole piston
(6), transmission shaft (11), bracket (12) and counterweight (14) constitute station movable device；Temperature controlled heater (35) and state procedure
Recorder (40) is electronic measuring instrument part, and spiral heating wire (23) and Temperature controlled heater (35) constitute gas heater structure,
Infrared transmitter (13), infrared emission window (16) and infrared receiving window (37) constitute pressure signal transmission mechanism, volume sensor
(4), pressure sensor (8), tip temperature sensor (5), bottom temp sensor (26), CCD displacement sensor (20) and shape
State process record instrument (40) constitutes data collection and analysis mechanism.
It is equipped with vertical support frame (7), horizontal support (18), sealing ring (31) and glass tube (3) above pedestal (1), laterally props up
Frame (18) is double-layer structure, and every layer of horizontal support (18) is in asterism on top view, and the cross section of horizontal support (18) is convex
Font, horizontal support (18) center are equipped with sleeve (17), and the outer end of horizontal support (18) passes through screw (9) and vertical support frame (7)
Top connection, vertical support frame (7) bottom end are connect by screw (9) with pedestal (1), glass tube (3) bottom embedding sealing circle (31)
Interior, the inside of glass tube (3) bottom is equipped with miniature low-speed motor equipped with whirlpool leaf (28), pedestal (1) center and below pedestal (1)
(29), the main shaft of miniature low-speed motor (29) passes through pedestal (1) and connect afterwards with whirlpool leaf (28), and air inlet pipe is equipped with below pedestal (1)
(25), air inlet pipe (25) one end is set as air inlet (34) after passing through pedestal (1) vertically upward by elbow, close to air inlet (34)
Air inlet pipe (25) be equipped with solenoid valve (27), basin shape seal receptacle (30) is equipped with below pedestal (1), seal receptacle (30) will be miniature low
The elbow of speed motor (29), solenoid valve (27) and air inlet pipe (25) is sealed in below pedestal (1).
Glass tube (3) inner wall shallow-layer is embedded with spiral heating wire (23), tip temperature sensor (5) and bottom temp sensor
(26), volume sensor (4) are equipped on the outside of glass tube (3), Temperature controlled heater (35) includes temperature setting knobs, temperature display mould
Block and a measurement input terminal and two output ends (36), two output ends are respectively to heat output end and temperature data output
End, tip temperature sensor (5) and bottom temp sensor (26) pass through heat proof cable (21) and Temperature controlled heater (35) respectively
The connection of measurement input terminal, spiral heating wire (23) connected by the heating output end of heat proof cable (21) and Temperature controlled heater (35)
It connects；Deck (19) are equipped with below the horizontal support (18) of bottom, deck (19) is embedded with CCD displacement sensor (20), CCD displacement
The camera lens of sensor (20) is towards transmission shaft (11).
Sleeve (17) is equipped with locking bolt (32), and sleeve (17) is embedded with transmission shaft (11) that can be up and down, is driven
The axis center of axis (11) is equipped with core pipe (10), and core pipe (10) is embedded with shielding line, transmission shaft (11) bottom and in transmission shaft (11)
It is embedded with pressure sensor (8), the interface that pressure sensor (8) passes through shielding line and infrared transmitter (13) in core pipe (10)
(15) it connects, transmission shaft (11) bottom end is equipped with the round-meshed hole piston in center (6), and hole piston (6) makes the pressure of gas (22)
Power is directly applied on pressure sensor (8), and transmission shaft (11) top end is equipped with bracket (12) and infrared transmitter (13), support
Counterweight (14) are placed above frame (12), infrared transmitter (13) is equipped with infrared emission window towards state procedure recorder (40) side
(16)。
The infrared receiving window (37) for receiving infrared emission window (16) signal is equipped at the top of state procedure recorder (40),
State procedure recorder (40) panel front includes a printer interface (39), two display modules, three input terminals (41)
With five selection keies (38), two display modules are respectively pressure change display module and volume change display module, and three defeated
Entering end is respectively temperature data input terminal, displacement measurement input terminal and volumetric measurement input terminal, and five selection keies (38) are respectively
Constant volume process selection key, constant temperature process selection key, isobaric procedure selection key, gas constant selection key and printing selection key.
The system is moved upward or downward by tightening locking bolt (32) latching transmission shaft (11) stopping hole piston (6)
It is dynamic, the volume of gas (22) is kept constant, makes transmission shaft (11) and hole piston (6) can be to by unclamping locking bolt (32)
It above or moves down, i.e., does not influence increasing or reducing for gas (22) volume；Spiral shell is controlled by the setting of Temperature controlled heater (35)
So that the temperature of gas (22) is kept constant or is increased whether revolving the fever of heating wire (23), and spiral heating wire is made by whirlpool leaf (28)
(23) temperature of the temperature in time with gas (22) swaps, and guarantees the temperature of gas (22) everywhere in glass tube (3)
Unanimously；By on bracket (12) place counterweight (14) number and its quality size control hole piston (6) to gas (22)
Pressure, counterweight (14) is more and the quality of each counterweight is bigger, and hole piston (6) is bigger to the pressure of gas (22)；Counterweight
(14) less and the quality of each counterweight is smaller, hole piston (6) is smaller to the pressure of gas (22).
It include temperature data receiving module, pressure data receiving module, displacement measurement inside state procedure recorder (40)
Conversion volume module, volumetric measurement turn its amount module, keyboard scan and key generation module, gaseous state process record and analysis
Module, gaseous state chart attirbutes generation module and chart printing drive module；Temperature data receiving module, pressure data receive
Module, displacement measurement conversion volume module and volumetric measurement turn its amount module respectively with gaseous state process record and analysis module
Connection, five selection keies (38) connect with keyboard scan with key generation module, keyboard scan and key generation module and gas
State procedure record is connect with analysis module, gaseous state process record and analysis module respectively with pressure change display module,
Volume change display module is connected with gas state characteristic chart generating module, gaseous state chart attirbutes generation module and chart
Printing drive module connection, the connection of chart printing drive module are connect with printer interface；The temperature of state procedure recorder (40)
Degree data input pin is connect by data line with the temperature data output end of Temperature controlled heater (35), state procedure recorder (40)
Displacement measurement input terminal connect with CCD displacement sensor (20) by transmission line (33), the appearance of state procedure recorder (40)
Product measurement input terminal is connect by transmission line (33) with volume sensor (4).
Glass tube (3) inner wall be coated with one layer thin for reducing frictional force between hole piston (6) and glass tube (3) inner wall
Vaseline, vertical support frame (7), horizontal support (18), sleeve (17), transmission shaft (11) and bracket (12) material be that aluminium closes
Gold, the material of pedestal (1) are cast iron, and the material of feet (2), seal receptacle (30) and sealing ring (31) is soft rubber, hole piston
(6) material is heat-resisting hard rubber.
Operation and the below filling that describes of this system for the mechanically actuated platform, temperature setting knobs and selection key
Gas and bleeding are manual hand manipulation, for data acquisition, process record and data analysis be electronics automatically record and
Analysis.
According to Fig. 1 and Fig. 3, when glass tube (3) interior aeration, counterweight (14) in removal bracket (12), in air inlet pipe (25)
The inlet adjunction hose of right end is simultaneously connect with the cylinder outlet of test gas, is opened solenoid valve (27), is opened the valve on gas cylinder
Door, inflates glass tube (3), volume sensor (4) and state procedure recorder (40) are according to the straight of glass tube (3) in right amount
Height between diameter and hole piston (6) bottom and pedestal (1) calculates the amount of gaseous matter, the time that solenoid valve (27) is opened
Longer, more into the gas in glass tube, solenoid valve (27) opening time is shorter, fewer into the gas in glass tube；Glass
In glass pipe (3) when exhaust, disconnects hose and test the connection of gas cylinders, open solenoid valve (27), with pressure bracket under finger
(12) gas in glass tube (3) can be drained, so as to the other gas of replacement in glass tube (3)；After gas replacement, pass through state
Gas constant selection key on process record instrument (40) panel carries out constant setting to inflatable body.
2. constant volume change is tested：
Constant volume process selection key on down state process record instrument (40) panel, the gas shape in state procedure recorder (40)
State process record and analysis module generate the chart explanation of " constant volume change process " in gaseous state chart attirbutes generation module
Title moves up or down at this point, tightening locking bolt (32) and lockking transmission shaft (11) stopping hole piston (6), makes gas
(22) volume is kept constant, i.e. the show value of volume change display module on state procedure recorder (40) panel is constant,
The temperature setting knobs on Temperature controlled heater (35) panel are adjusted, the method to cool down by stepped heating or step by step changes gas
(22) temperature, state procedure recorder (40) automatically record the temperature value of gas (22) and its corresponding pressure value and give birth to automatically
At the constant volume process chart of gaseous state characteristic, printing selection key is pressed, constant volume process is printed by external printer and is surveyed
Attempt table.
3. isothermal variation test：
Constant temperature process selection key on down state process record instrument (40) panel, the gas shape in state procedure recorder (40)
State process record and analysis module generate the chart explanation of " isothermal change procedure " in gaseous state chart attirbutes generation module
Title move up or down transmission shaft (11) and hole piston (6) can at this point, unclamping locking bolt (32), i.e., not influence
Gas (22) volume increases or reduces, and keeps the temperature setting knobs on Temperature controlled heater (35) panel motionless, i.e. temperature control adds
Temperature display value on hot device (35) panel is constant, is successively put into the weight of different number or different quality step by step in bracket (12)
Code (14), changes the pressure size to gas step by step, state procedure recorder (40) automatically record gas (22) pressure value and
Its corresponding bulking value and the constant temperature process chart for automatically generating gaseous state characteristic, press printing selection key, by external
Printer prints constant temperature process test resolution.
4. equipressure variation test：
Isobaric procedure selection key on down state process record instrument (40) panel, the gas shape in state procedure recorder (40)
State process record and analysis module generate the chart explanation of " isobaric change procedure " in gaseous state chart attirbutes generation module
Title, at this point, keeping counterweight (14) quantity or mass conservation in bracket (12), i.e., on state procedure recorder (40) panel
The show value of pressure change display module is constant, the temperature setting knobs on Temperature controlled heater (35) panel is adjusted, by step by step
Heating or the method to cool down step by step change the temperature of gas (22), and state procedure recorder (40) automatically records the temperature of gas (22)
Angle value and its corresponding bulking value and the isobaric procedure chart for automatically generating gaseous state characteristic, press printing selection key, pass through
External printer prints isobaric procedure test resolution.
Claims (3)
1. a kind of gaseous state procedural test system, it is characterised in that：The system is by pedestal (1), feet (2), glass tube
(3), volume sensor (4), tip temperature sensor (5), hole piston (6), vertical support frame (7), pressure sensor (8), spiral shell
Silk (9), core pipe (10), transmission shaft (11), bracket (12), infrared transmitter (13), counterweight (14), interface (15), infrared emission
Window (16), sleeve (17), horizontal support (18), deck (19), CCD displacement sensor (20), heat proof cable (21), gas
(22), spiral heating wire (23), buckle (24), air inlet pipe (25), bottom temp sensor (26), solenoid valve (27), whirlpool leaf
(28), miniature low-speed motor (29), seal receptacle (30), sealing ring (31), locking bolt (32), transmission line (33), air inlet (34),
Temperature controlled heater (35), output end (36), infrared receiving window (37), selection key (38), printer interface (39), state procedure note
Record instrument (40) and input terminal (41) composition；
Vertical support frame (7), horizontal support (18), glass tube (3) and sleeve (17) constitute station fixed mechanism, hole piston
(6), transmission shaft (11), bracket (12) and counterweight (14) constitute station movable device, spiral heating wire (23) and temperature control heating
Device (35) constitutes gas heater structure, and infrared transmitter (13), infrared emission window (16) and infrared receiving window (37) constitute pressure
Signal transmission mechanism, volume sensor (4), pressure sensor (8), tip temperature sensor (5), bottom temp sensor
(26), CCD displacement sensor (20) and the acquisition of state procedure recorder (40) configuration information and analysis institution；
Vertical support frame (7), horizontal support (18), sealing ring (31) and glass tube (3), horizontal support are equipped with above pedestal (1)
It (18) is double-layer structure, every layer of horizontal support (18) is in asterism on top view, and the cross section of horizontal support (18) is type
Shape, horizontal support (18) center are equipped with sleeve (17), and the outer end of horizontal support (18) is pushed up by screw (9) and vertical support frame (7)
End connection, vertical support frame (7) bottom end are connect by screw (9) with pedestal (1), in glass tube (3) bottom embedding sealing circle (31),
The inside of glass tube (3) bottom is equipped with miniature low-speed motor equipped with whirlpool leaf (28), pedestal (1) center and below pedestal (1)
(29), the main shaft of miniature low-speed motor (29) passes through pedestal (1) and connect afterwards with whirlpool leaf (28), and air inlet pipe is equipped with below pedestal (1)
(25), air inlet pipe (25) one end is set as air inlet (34) after passing through pedestal (1) vertically upward by elbow, close to air inlet (34)
Air inlet pipe (25) be equipped with solenoid valve (27), basin shape seal receptacle (30) is equipped with below pedestal (1), seal receptacle (30) will be miniature low
The elbow of speed motor (29), solenoid valve (27) and air inlet pipe (25) is sealed in below pedestal (1)；
Glass tube (3) inner wall shallow-layer is embedded with spiral heating wire (23), tip temperature sensor (5) and bottom temp sensor
(26), volume sensor (4) are equipped on the outside of glass tube (3), Temperature controlled heater (35) includes temperature setting knobs, temperature display mould
Block and a measurement input terminal and two output ends (36), two output ends are respectively to heat output end and temperature data output
End, tip temperature sensor (5) and bottom temp sensor (26) pass through heat proof cable (21) and Temperature controlled heater (35) respectively
The connection of measurement input terminal, spiral heating wire (23) connected by the heating output end of heat proof cable (21) and Temperature controlled heater (35)
It connects；Deck (19) are equipped with below the horizontal support (18) of bottom, deck (19) is embedded with CCD displacement sensor (20), CCD displacement
The camera lens of sensor (20) is towards transmission shaft (11)；
Sleeve (17) is equipped with locking bolt (32), and sleeve (17) is embedded with transmission shaft (11) that can be up and down, transmission shaft
(11) axis center is equipped with core pipe (10), and core pipe (10) is embedded with shielding line, transmission shaft (11) bottom and in transmission shaft (11)
The interface for passing through shielding line and infrared transmitter (13) in core pipe (10) embedded with pressure sensor (8), pressure sensor (8)
(15) it connects, transmission shaft (11) bottom end is equipped with the round-meshed hole piston in center (6), and hole piston (6) makes the pressure of gas (22)
Power is directly applied on pressure sensor (8), and transmission shaft (11) top end is equipped with bracket (12) and infrared transmitter (13), support
Counterweight (14) are placed above frame (12), infrared transmitter (13) is equipped with infrared emission window towards state procedure recorder (40) side
(16)；
The infrared receiving window (37) for receiving infrared emission window (16) signal, state are equipped at the top of state procedure recorder (40)
Process record instrument (40) panel front includes a printer interface (39), two display modules, three input terminals (41) and five
A selection key (38), two display modules are respectively pressure change display module and volume change display module, three input terminals
Respectively temperature data input terminal, displacement measurement input terminal and volumetric measurement input terminal, five selection keies (38) are respectively to wait to hold
Process choosing key, constant temperature process selection key, isobaric procedure selection key, gas constant selection key and printing selection key；
The system is moved up or down by tightening locking bolt (32) latching transmission shaft (11) stopping hole piston (6), is made
The volume of gas (22) is kept constant, by unclamp locking bolt (32) make transmission shaft (11) and hole piston (6) can it is upward or
It moves down, i.e., does not influence increasing or reducing for gas (22) volume；Spiral electricity is controlled by the setting of Temperature controlled heater (35)
So that the temperature of gas (22) is kept constant or is increased whether the fever of heated filament (23), and spiral heating wire (23) are made by whirlpool leaf (28)
Temperature of the temperature in time with gas (22) swap, and guarantee that the temperature of gas (22) everywhere in glass tube (3) is consistent；
By placed on bracket (12) counterweight (14) number and its quality size control hole piston (6) to the pressure of gas (22),
Counterweight (14) is more and the quality of each counterweight is bigger, and hole piston (6) is bigger to the pressure of gas (22)；Counterweight (14) is fewer
And the quality of each counterweight is smaller, hole piston (6) is smaller to the pressure of gas (22).
2. gaseous state procedural test system according to claim 1, it is characterised in that：In state procedure recorder (40)
Portion include temperature data receiving module, pressure data receiving module, displacement measurement conversion volume module, volumetric measurement turn its amount mould
Block, keyboard scan and key generation module, gaseous state process record and analysis module, gaseous state characteristic icon generation module
With icon printing drive module；Temperature data receiving module, pressure data receiving module, displacement measurement conversion volume module and appearance
Product measurement turns its amount module and connect respectively with gaseous state process record with analysis module, five selection keies (38) and keyboard scan
It is connect with key generation module, keyboard scan is connect with key generation module with gaseous state process record with analysis module, gas
Body state procedure record with analysis module respectively with pressure change display module, volume change display module and gas state characteristic
Chart generating module connection, gaseous state chart attirbutes generation module are connect with chart printing drive module, chart printing driving
Module connection is connect with printer interface；The temperature data input terminal of state procedure recorder (40) is added by data line and temperature control
The temperature data output end of hot device (35) connects, and the displacement measurement input terminal of state procedure recorder (40) passes through transmission line (33)
It is connect with CCD displacement sensor (20), the volumetric measurement input terminal of state procedure recorder (40) by transmission line (33) and holds
Product sensor (4) connection.
3. a kind of gaseous state procedural test system according to claim 1, it is characterised in that：The plating of glass tube (3) inner wall
There are one layer thin of the vaseline for being used to reduce frictional force between hole piston (6) and glass tube (3) inner wall, vertical support frame (7), cross
It is aluminium alloy to the material of bracket (18), sleeve (17), transmission shaft (11) and bracket (12), the material of pedestal (1) is cast iron, pad
The material of foot (2), seal receptacle (30) and sealing ring (31) is soft rubber, and the material of hole piston (6) is heat-resisting hard rubber.
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| CN201810860228.6A CN108918585B (en) | 2018-08-01 | 2018-08-01 | Gas state process testing system |
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