CN206515185U - A kind of static method saturated vapor compression tester - Google Patents
A kind of static method saturated vapor compression tester Download PDFInfo
- Publication number
- CN206515185U CN206515185U CN201621475863.5U CN201621475863U CN206515185U CN 206515185 U CN206515185 U CN 206515185U CN 201621475863 U CN201621475863 U CN 201621475863U CN 206515185 U CN206515185 U CN 206515185U
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- evaporator
- vapor compression
- saturated vapor
- static method
- compression tester
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Abstract
The utility model, which is provided, sets high-precision water-bath loop temperature-control system in a kind of static method saturated vapor compression tester, static method saturated vapor compression tester, temperature control scope is wide, and precision is high, and temperature setting can be carried out according to demand, sets scope：‑10~99±2℃；U-tube two ends pressure difference is accurately judged using ccd image judgement system, pressure difference judgement system, so that accurate measure substances saturated vapour pressure value；The automation of process of the test can be realized by the main frame in control system, after on-test, can be tested automatically, pressure curve is shown on a display screen in real time, and initial data can be recorded automatically, result of the test is obtained.
Description
Technical field
The utility model belongs to saturated vapour pressure testing field, is tested more particularly, to a kind of static method saturated vapour pressure
Instrument.
Background technology
Saturated vapor compression testing device based on static method development on current domestic and international market is few, and pressure maintaining performance
Difference, is only applicable to 103 Pa to Liquid saturated vapor in the range of normal temperature measurement.Due to static method low pressure range measurement by
Temperature, the measurement error of vapour pressure, sample dissolving and adsorbed gas, air be remaining and the influence of leakage accumulation etc. be can not ignore,
Static method is rarely used in the measurement of the low saturated vapour pressure data of material.
The content of the invention
The purpose of this utility model is, is tested for the deficiency present on there is provided a kind of static method saturated vapour pressure
Instrument.
Therefore, the utility model above-mentioned purpose is achieved through the following technical solutions：
A kind of static method saturated vapor compression tester, the static method saturated vapor compression tester includes：
- static method saturated vapor compression testing device, the static method saturated vapor compression testing device be used for measure liquid,
The saturated vapour pressure of solid matter；
- display screen, the display screen is used to provide human-computer interaction interface；
- control system, the control system include for control and computing main frame, consolidating of being connected respectively with main frame
State pressure regulator and temperature controller；
And
- power supply, the power supply is used to provide electricity for static method saturated vapor compression testing device, display screen and control system
Power is supported.
The static method saturated vapor compression testing device includes setting evaporator, the evaporator in casing, the casing
For placing flask and U-tube, the flask is used to hold substances to be measured, and the U-tube is used to balance two ends liquid level；
Heating tube is set in the evaporator, and the heating tube is used to heat the water in evaporator；The evaporator side sets platinum
Resistance, the RTD is used for the temperature for determining evaporator reclaimed water；Pressure maintaining valve is set on the outside of the casing, and the pressure maintaining valve is used for
Adjust the size of air pressure；Camera is set in the casing, and the camera is used for the difference in height for measuring liquid level in U-tube；Institute
State box inside and immersible pump is set, the water that the immersible pump is used in circulating evaporator is to improve the uniform temperature of water in evaporator；
The static method saturated vapor compression tester sets compressor, and the compressor is used to reduce the temperature of evaporator reclaimed water.
Above-mentioned technical proposal of the present utility model is provided in the test instrument that a kind of static method determines saturated vapour pressure, test instrument
High-precision water-bath loop temperature-control system is set, and temperature control scope is wide, and precision is high, and temperature setting can be carried out according to demand, sets model
Enclose：-10~99±2℃；U-tube two ends pressure difference is accurately judged using image discriminating system, pressure difference judgement system, so as to accurately survey
Calculate substances saturated vapour pressure value；The automation of process of the test, on-test can be realized by the main frame in control system
Afterwards, it can automatically be tested, pressure curve is shown on a display screen in real time, and initial data can be recorded automatically, be obtained
Result of the test.
While using above-mentioned technical proposal, the utility model can also be used or combined using further below
Technical scheme：
The evaporator inside front sets float switch, and the float switch is used for the height for determining water level in evaporator
Degree.
Condenser pipe is set on the inside of the evaporator, and the condenser pipe is used for coolant water temperature, and the condenser pipe connects condenser.
The outer lower portion of the evaporator sets discharge outlet, and the discharge outlet is used to arrange the water in evaporator after testing
Go out；The outer lower portion of the evaporator sets overfall on the side of discharge outlet, and the overfall is used to control water in evaporator
Flowed out automatically by overfall after the height and water of position are full.
Mass flowmenter is set below the evaporator, and the mass flowmenter is used to accurately control gas inlet amount.
Vacuum meter and absolute pressure sensor are also set up in the control system, the vacuum meter and absolute pressure sensor are used to measure
Air pressure.
Vacuum solenoid is also set up in the control system, the vacuum solenoid is used for the break-make for controlling gas circuit.
Self-lock switch is also set up in the control system, the self-lock switch is used to open and close saturated vapour pressure experiment
Instrument.
Brief description of the drawings
Fig. 1 is the three-dimensional view of static method saturated vapor compression tester provided by the utility model.
Fig. 2 is a three-dimensional view in static method saturated vapor compression tester casing provided by the utility model.
Fig. 3 is another three-dimensional view in static method saturated vapor compression tester casing provided by the utility model.
In figure：101- display screens；102- solid-state voltage regulators；103- temperature controllers；104- power supplys；105- casings；106-
Evaporator；107-U type pipes；108- heating tubes；109- RTDs；110- pressure maintaining valves；111-CCD cameras；112- immersible pumps；
113- compressors；114- float switches；115- condensers；116- discharge outlet；117- overfalls；118- mass flowmenters；119-
Vacuum meter；120- absolute pressure sensors；121- vacuum battery valves；122- self-lock switch.
Embodiment
The utility model is described in further detail with specific embodiment referring to the drawings.
A kind of static method saturated vapor compression tester, including：
- static method saturated vapor compression testing device, static method saturated vapor compression testing device is used to measure liquid, solid
The saturated vapour pressure of material；
- display screen 101, display screen 101 is used to provide human-computer interaction interface；
- control system, control system includes the main frame for control and computing, the solid state q-switched being connected respectively with main frame
Depressor 102 and temperature controller 103；
And
- power supply 104, power supply 104 is used to carry for static method saturated vapor compression testing device, display screen 101 and control system
For electric power support.
Static method saturated vapor compression testing device includes setting evaporator 106, evaporator 106 in casing 105, casing 105
For placing flask and U-tube 107, the flask is used to hold substances to be measured, and U-tube 107 is used to balance two ends liquid
Face；Heating tube 108 is set in evaporator 106, and heating tube 108 is used to heat the water in evaporator 106；The side of evaporator 106
RTD 109 is set, and RTD 109 is used for the temperature for determining the reclaimed water of evaporator 106；The outside of casing 105 sets pressure maintaining valve 110,
Pressure maintaining valve 110 is used for the size for adjusting air pressure；CCD camera 111 is set in casing 105, and CCD camera 111 is used to measure U-shaped
The difference in height of liquid level in pipe 107；The inner side of casing 105 sets immersible pump 112, the water that immersible pump 112 is used in circulating evaporator 106
To improve the uniform temperature of water in evaporator 106；Static method saturated vapor compression tester sets compressor 113, and compressor 113 is used for
Reduce the temperature of the reclaimed water of evaporator 106.
The inside front of evaporator 106 sets float switch 114, and float switch 114 is used to determine water level in evaporator 106
Highly.
The inner side of evaporator 106 sets condenser pipe, and condenser pipe is used for coolant water temperature, condenser pipe connection condenser 115.
The outer lower portion of evaporator 106 sets discharge outlet 116, and discharge outlet 116 is used for the water in evaporator 106 after testing
Discharge；The outer lower portion of evaporator 106 sets overfall 117 on the side of discharge outlet 116, and overfall 117 is used to control to evaporate
Flowed out automatically by overfall 117 after the height and water of water level are full in device 106.
The lower section of evaporator 106 sets mass flowmenter 118, and mass flowmenter 118 is used to accurately control gas inlet amount.
Vacuum meter 119 and absolute pressure sensor 120 are also set up in control system, vacuum meter 119 and absolute pressure sensor 120 are used for
Measure air pressure
Vacuum solenoid 121 is also set up in control system, vacuum solenoid 121 is used for the break-make for controlling gas circuit.
Self-lock switch 122 is also set up in control system, self-lock switch 122 is used to open and close static method saturated vapour pressure
Test instrument.
Above-mentioned embodiment is used for illustrating the utility model, preferred embodiment only of the present utility model, and
It is not that the utility model is limited, it is new to this practicality in spirit of the present utility model and scope of the claims
Any modification, equivalent substitution and improvements that type is made etc., both fall within protection domain of the present utility model.
Claims (8)
1. a kind of static method saturated vapor compression tester, it is characterised in that the static method saturated vapor compression tester includes：
- static method saturated vapor compression testing device,
- display screen, the display screen is used to provide human-computer interaction interface；
- control system, the control system includes the main frame for control and computing, the solid-state pressure regulation being connected respectively with main frame
Device and temperature controller；
And
- power supply, the power supply is used to provide electric power branch for static method saturated vapor compression testing device, display screen and control system
Hold；
Evaporator is set in the static method saturated vapor compression testing device, and the evaporator is used to place flask and U-tube, institute
Stating U-tube is used to balance two ends liquid level；Heating tube is set in the evaporator；Camera is set in casing, and the camera is used
In the difference in height of liquid level in measurement U-tube；Box inside set immersible pump, the immersible pump be used for circulating evaporator in water with
Improve the uniform temperature of water in evaporator.
2. static method saturated vapor compression tester according to claim 1, it is characterised in that the evaporator inside front
Float switch is set, and the float switch is used for the height for determining water level in evaporator.
3. static method saturated vapor compression tester according to claim 1, it is characterised in that set on the inside of the evaporator
Condenser pipe, the condenser pipe is used for coolant water temperature, and the condenser pipe connects condenser.
4. static method saturated vapor compression tester according to claim 1, it is characterised in that under the outside of the evaporator
Portion sets discharge outlet, and the discharge outlet is used to discharge the water in evaporator after testing；The outer lower portion of the evaporator is in row
The side at the mouth of a river sets overfall, and the overfall is automatic by overfall after being used to controlling the height and water of water level in evaporator full
Outflow.
5. static method saturated vapor compression tester according to claim 1, it is characterised in that set below the evaporator
Mass flowmenter, the mass flowmenter is used to accurately control gas inlet amount.
6. static method saturated vapor compression tester according to claim 1, it is characterised in that also set in the control system
Vacuum meter and absolute pressure sensor are put, the vacuum meter and absolute pressure sensor are used to measure air pressure.
7. static method saturated vapor compression tester according to claim 1, it is characterised in that also set in the control system
Vacuum solenoid is put, the vacuum solenoid is used for the break-make for controlling gas circuit.
8. static method saturated vapor compression tester according to claim 1, it is characterised in that also set in the control system
Self-lock switch is put, the self-lock switch is used to open and close static method saturated vapor compression tester.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621475863.5U CN206515185U (en) | 2016-12-30 | 2016-12-30 | A kind of static method saturated vapor compression tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621475863.5U CN206515185U (en) | 2016-12-30 | 2016-12-30 | A kind of static method saturated vapor compression tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206515185U true CN206515185U (en) | 2017-09-22 |
Family
ID=59865055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621475863.5U Active CN206515185U (en) | 2016-12-30 | 2016-12-30 | A kind of static method saturated vapor compression tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206515185U (en) |
-
2016
- 2016-12-30 CN CN201621475863.5U patent/CN206515185U/en active Active
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