CN206431204U - A kind of test system for electrical conductivity under the conditions of constant temperature and humidity - Google Patents
A kind of test system for electrical conductivity under the conditions of constant temperature and humidity Download PDFInfo
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- CN206431204U CN206431204U CN201720127981.5U CN201720127981U CN206431204U CN 206431204 U CN206431204 U CN 206431204U CN 201720127981 U CN201720127981 U CN 201720127981U CN 206431204 U CN206431204 U CN 206431204U
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Abstract
The utility model discloses a kind of test system for electrical conductivity under the conditions of constant temperature and humidity.The measure of material electric conductivity is carried out with reference to conductivity test jig, electrochemical workstation, the electrical conductivity test system includes humidifying pot, connecting conduit and the part of test tank three.Humidifying pot is used for water storage, wherein including pressure gauge, heater, thermocouple and venthole；The environment of test tank test condition for needed for being provided sample test, wherein picking out hole, heater, thermocouple and steam vent comprising pressure gauge, air admission hole, test lead；Connecting conduit is used for connecting test tank and humidifying pot, and each section is both needed to temperature controller, heating tape control temperature, to ensure the stability of environment.The utility model is mainly that the fixed wet electrical conductivity test of high temperature provides environment, is had the advantages that simple in construction, easy to operate.
Description
Technical field
The utility model is related to a kind of real-time testing system for material electric conductivity under the conditions of constant temperature and humidity, particularly relates to
And the wider test system of temperature, pressure limit, while being combined with conductivity test jig and electrochemical workstation, carry out constant temperature
Conductance measurement under the conditions of constant humidity.
Technical background
Humidity is the content containing vapor in air, and it has three kinds of method for expressing：
（1）Water capacity, it represents steam quality and dry air mass ratio in humid air,,For sky
Steam quality in gas,For dry air quality；
（2）Quality containing vapor in absolute humidity, the humid air of its every cubic metre of expression,,For
The quality of vapor in humid air,By research humid air volume；
（3）Relative humidity, it represent air in absolute humidity with it is synthermal under saturated humidity ratio ratio,,For temperatureTThe quality of vapor in when institute's research system,For the temperatureTUnder, vapor reaches full
With when quality.
In climatic chamber, its humidity is usually the relative humidity under the conditions of a certain design temperature.The calculating of relative humidity
Generally there are three kinds of methods：
（1）The water capacity of humid air divided by identical temperature are issued to water capacity during saturation, ,For temperatureTWhen water vapor in air quality,For the temperatureTUnder, water steams
Gas reaches quality during saturation；
（2）The absolute humidity of humid air divided by the synthermal lower maximum absolute humidity that can be reached, ；
（3）In humid air at steam partial pressure divided by identical temperature water saturated vapor pressure,,For temperatureT
The partial pressure of vapor in when institute's research system,For the temperatureTUnder, the saturated vapour pressure of vapor.
When temperature reaches higher higher than 100 DEG C, relative humidity, the pressure in system is more than 1atm, is so accomplished by material
Material has certain anti-pressure ability, so the climatic chamber sold currently on the market is generally 10-100 DEG C of temperature in use, humidity
20-98%RH or so.And the test temperature for the climatic chamber of high temperature is also generally -20 to 150 DEG C, and the constant temperature of high temperature
Constant humidity cabinet price is generally higher, and floor space is larger, and the test not being suitable in small test is used.Problems very great Cheng
Reaching for the temperature and humidity range of condition that electrical conductivity is tested is limited on degree, especially, to needing application more hot conditions
Material can not carry out complete research.
The content of the invention
It is an object of the invention to overcome existing technical deficiency, there is provided one kind is simple in construction, easy to operate and be adapted to
Few, the cheap constant temperature and humidity system of floor space that laboratory is used.
In order to reach foregoing invention purpose, this test system is adopted the following technical scheme that：
For the test system of electrical conductivity under the conditions of constant temperature and humidity, enter with reference to conductivity test jig, electrochemical workstation
The measure of row material electric conductivity, the system includes humidifying pot, connecting conduit and the part of test tank three.Humidifying pot is used for water storage, its
In include pressure gauge, heater, thermocouple and venthole, test tank be sample test offer needed for condition environment, wherein
Hole, heater, thermocouple and steam vent are picked out comprising pressure gauge, air admission hole, test lead, connecting conduit is used for connecting test
Tank and humidifying pot, and each section be both needed to temperature controller, heating tape and thermocouple control temperature, to ensure the stabilization of environment
Property.
In above-mentioned test system, humidifying pot, connecting conduit and test tank are separate, are easy to repair and deposit, when using
It is connected using clamping sleeve blow-out patch.
In above-mentioned test system, whole system is made by the nonmagnetic substance such as aluminium or copper, to ensure that it is pressure-resistant that equipment had both had
And antiseptic property, avoid the inductance produced in test process to impact ac impedance spectroscopy again.
In above-mentioned test system, heater can be arranged in humidifying pot and test tank with heating tube or be twined with heating tape
It is wound on outside humidifying pot and test tank.
In above-mentioned test system, pressure gauge is high temperature resistant pressure gauge, system connection a, it is only necessary to pressure gauge, and it can be with
In humidifying pot, connecting conduit or test tank.
In above-mentioned test system, the thermocouple lower end in humidifying pot is flooded in deionized water, and venthole is more than the water surface.
In above-mentioned test system, the air inlet pipe in test tank is with tank bottom spacing in 1-2cm, and thermocouple lower end is in test tank tank
Body center.
In above-mentioned test system, test lead is portalled by the test lead in test tank, and material is poured into a mould with high temperature resistant
Material is irrigated and fastened.
In above-mentioned test system, the steam vent in test tank leads to two to be connected, for being vented.
In above-mentioned test system, humidifying pot and test tank are constituted by tank body and lid, are lined between tank body and lid poly-
Tetrafluoroethene packing ring simultaneously uses fastened by screw.
The general principle of the present invention：
Actual size first according to needed for experiment, by foregoing invention content aluminium pot customized or copper tank, the tank need to have one
Fixed pressure-resistant performance, and the packing ring of polytetrafluoro is accompanied between tank body and lid, ensure test system in test process
Sealing；In test process, the content of air is relatively low in system, can ignore substantially, can thus utilize in humidifying pot
Vapor pressure in temperature and the relation judgement system of saturated vapor pressure, while being steamed using rh value in test tank for water
Air pressure is worth to by force the relative humidity in test environment with the ratio of the Saturated water vapor pressure under test temperature, so ensures that perseverance
The test condition of constant temperature and humidity, while installing pressure gauge, further monitors the numerical value of saturated vapor pressure；For the humidification less than 90 DEG C
Tank temperature, can be vacuumized using preceding using the steam vent in test tank, to ensure that air content is relatively low；For higher than
At 90 DEG C, humidifying pot is heated to design temperature, and opens test tank steam vent, utilizes the air in vapor discharge system, one
After the section time, close steam vent and measure.
The present invention compared with prior art, has the advantage that：
（1）Floor space is small, simple in construction, convenient dismounting, assembling；
（2）The temperature and humidity scope of test is wider, substantially meets research range and uses；
（3）It is cheap, it is workable.
Brief description of the drawings
Fig. 1 is test system model.
Wherein, 1- humidifying pots, 2- humidifying pot polytetrafluoro packing rings, 3- humidifying pot lids, 4- humidifying pot fastening screws, 5- pressure
Table, 6- humidifying pot thermocouples, 7- humidifying pot ventholes, 8- connecting tubes, 9- test tanks, 10- test tank polytetrafluoro packing rings, 11- is surveyed
Examination tank fastening screw, 12- test tank air admission holes, 13- test leads and its fairlead, 14- test tank thermocouples, 15- steam vents,
16- test fixtures, 17- heating tapes, 18- connecting tube thermocouples.
Embodiment
For a better understanding of the present invention, the present invention is further described below in conjunction with the accompanying drawings.
Embodiment one：
First, pressure gauge 5 and 6 is attached to humidifying pot 1, deionized water is added into humidifying pot to the position of tank volume half
Put, put polytetrafluoro packing ring 2 well, lid 3 is fastened with screw 4.Test fixture 16 is put into test tank 9, wire passes through wire
Portal and 13 be connected to outside tank, and portalled with high temperature resistant cast material casting wire, put polytetrafluoro packing ring 10 well, lid 11 is used into spiral shell
Silk fastening.Then 1,8,9 three parts are connected with clamping sleeve blow-out patch.Steam vent 15 is connected with vavuum pump, 10min is vacuumized left
Air in right exclusion system, is then shut off steam vent 15.The temperature of humidifying pot 1 is set as 70 DEG C, connecting conduit 8 is 80 DEG C, is surveyed
It is 80 DEG C to try tank 9 temperature, when carrying out conductance measurement after temperature stabilization in system, and condition determination is, 80 DEG C of temperature, relative humidity
The ratio of the saturated vapor pressure of saturated vapor pressure and 80 DEG C of water for 70 DEG C of water, i.e. 65.8%RH.
Embodiment two：
First, pressure gauge 5 and thermocouple 6 are attached to humidifying pot 1, deionized water is added into humidifying pot to tank volume one
Half position, puts polytetrafluoro packing ring 2 well, lid 3 is fastened with screw 4.Test fixture 16 is put into test tank 9, wire leads to
Cross wire and portal and 13 be connected to outside tank, and portalled with high temperature resistant cast material casting wire, polytetrafluoro packing ring 10 is put well, by lid
11 use fastened by screw.Then 1,8,9 three parts are connected with clamping sleeve blow-out patch.The temperature of humidifying pot 1 is set as 90 DEG C, connecting conduit
8 be 100 DEG C, and the temperature of test tank 9 is 100 DEG C, and opens steam vent 15, exhaust 10min or so, is then shut off steam vent, adjusts
The temperature of humidifying pot 1 is 120 DEG C, and connecting conduit 8 and the temperature of test tank 9 are 150 DEG C, when carrying out electrical conductivity after temperature stabilization in system
Determine, condition determination is, 150 DEG C of temperature, relative humidity is the saturated vapor pressure of 120 DEG C of water and the saturated vapor pressure of 150 DEG C of water
Ratio, i.e. 41.72%RH.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the invention, all essences in the present invention
Any modification, equivalent substitution or improvement made within refreshing and principle etc., should be included in the scope of the protection.
Claims (10)
1. the test system for electrical conductivity under the conditions of constant temperature and humidity, it is characterised in that：Include humidifying pot, connecting conduit and test
The part of tank three, humidifying pot is used for water storage, wherein comprising pressure gauge, heater, thermocouple and venthole, test tank is surveyed for sample
The environment of test condition needed for examination is provided, wherein picking out hole, heater, thermocouple comprising pressure gauge, air admission hole, test lead
And steam vent, connecting conduit is used for connecting test tank and humidifying pot, and each section is both needed to use temperature controller, heating tape and thermoelectricity
Even control temperature, to ensure the stability of environment.
2. the test system according to claim 1 for electrical conductivity under the conditions of constant temperature and humidity, it is characterised in that：Whole body
The materials'use of system is the nonmagnetic metal such as aluminium, copper, while pressure-resistant, antiseptic property is ensured, it is to avoid inductive effect is to exchange
The interference of impedance spectrum test result.
3. the test system according to claim 1 for electrical conductivity under the conditions of constant temperature and humidity, it is characterised in that：Humidification
Tank, connecting conduit and the part of test tank three independently, when in use, are attached with clamping sleeve blow-out patch.
4. the test system according to claim 1 for electrical conductivity under the conditions of constant temperature and humidity, it is characterised in that：Heating
Device can be real by the way of heating rod is placed in humidifying pot and test tank or heating tape is wrapped in outside humidifying pot and test tank
It is existing.
5. the test system according to claim 1 for electrical conductivity under the conditions of constant temperature and humidity, it is characterised in that：Pressure
Table is high temperature resistant pressure gauge, system connection, it is only necessary to which a pressure gauge, it may be mounted at humidifying pot, connecting conduit or test
On tank.
6. the test system according to claim 1 for electrical conductivity under the conditions of constant temperature and humidity, it is characterised in that：Humidification
Venthole in deionized water, in humidifying pot is flooded more than the water surface in thermocouple lower end in tank.
7. the test system according to claim 1 for electrical conductivity under the conditions of constant temperature and humidity, it is characterised in that：Test
Thermocouple lower end in tank is located at test tank center, air inlet pipe and tank bottom spacing between 1-2 cm.
8. the test system according to claim 1 for electrical conductivity under the conditions of constant temperature and humidity, it is characterised in that：Will test
Wire is portalled extraction by the test lead in test tank, and is fastened with the perfusion of high temperature resistant mould material.
9. the test system according to claim 1 for electrical conductivity under the conditions of constant temperature and humidity, it is characterised in that：Humidifying pot
Constituted with test tank by tank body and lid, the seal washer of polytetrafluoroethylene (PTFE) is lined between tank body and lid and tight with screw
Gu.
10. the test system according to claim 1 for electrical conductivity under the conditions of constant temperature and humidity, it is characterised in that：Humidification
Tank and test tank have certain wall thickness, to obtain required corresponding test pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720127981.5U CN206431204U (en) | 2017-02-13 | 2017-02-13 | A kind of test system for electrical conductivity under the conditions of constant temperature and humidity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720127981.5U CN206431204U (en) | 2017-02-13 | 2017-02-13 | A kind of test system for electrical conductivity under the conditions of constant temperature and humidity |
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| Publication Number | Publication Date |
|---|---|
| CN206431204U true CN206431204U (en) | 2017-08-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720127981.5U Expired - Fee Related CN206431204U (en) | 2017-02-13 | 2017-02-13 | A kind of test system for electrical conductivity under the conditions of constant temperature and humidity |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107860674A (en) * | 2017-11-07 | 2018-03-30 | 哈尔滨工业大学 | One kind doping simple appraisal procedure of zirconic acid lanthanum base fuel battery electrolyte proton conductive |
-
2017
- 2017-02-13 CN CN201720127981.5U patent/CN206431204U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107860674A (en) * | 2017-11-07 | 2018-03-30 | 哈尔滨工业大学 | One kind doping simple appraisal procedure of zirconic acid lanthanum base fuel battery electrolyte proton conductive |
| CN107860674B (en) * | 2017-11-07 | 2019-12-03 | 哈尔滨工业大学 | A kind of simple appraisal procedure of doping zirconic acid lanthanum base fuel battery electrolyte proton conductive |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170822 Termination date: 20180213 |
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| CF01 | Termination of patent right due to non-payment of annual fee |