CN202166580U - Equipment for testing performance of humidification function materials of mechanical thermostat - Google Patents
Equipment for testing performance of humidification function materials of mechanical thermostat Download PDFInfo
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- CN202166580U CN202166580U CN2011202150698U CN201120215069U CN202166580U CN 202166580 U CN202166580 U CN 202166580U CN 2011202150698 U CN2011202150698 U CN 2011202150698U CN 201120215069 U CN201120215069 U CN 201120215069U CN 202166580 U CN202166580 U CN 202166580U
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- hurricane globe
- electronic balance
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Abstract
The utility model discloses equipment for testing the performance of humidification function materials of a mechanical thermostat, which comprises a relative humidity control part, a weighing part, and a humiture monitoring part, wherein, the relative humidity control part adopts the mechanical thermostat and is provided with a closed space with adjustable temperature and humidity; the weighing part and the temperature probe and the humidity probe of the humiture monitoring part are arranged in the closed space; the weighing part adopts an electronic balance; and the electronic balance, the temperature probe and the humidity probe are in wire connection with a computer outside the closed space. The equipment can measure the humidification performance of the materials accurately, and the testing result is highly stable.
Description
Technical field
The utility model belongs to the testing of materials field, relates to novel humidity-controlling functional material Performance Test System, can be used for detecting with the humidity reaction method damping performance of various materials.
Background technology
No matter to people's living environment, still the protection to article all seems particularly important for the work and the life of the height affect people's of relative air humidity, humidity control.Development along with scientific and technological new material technology; People develop in succession has the humidity regulation materials with function; And this material is widely used on the products such as building material made, textile fabrics; Make traditional product when satisfying original functions of use, possessed the ability of regulating envionmental humidity, the space comfort level of making the life better.
Production development speed with humidity regulation function is very fast, and goods such as humidity conditioning function coating, wallpaper, putty, pottery pour in market, but corresponding detecting method and equipment development relatively lag behind, and have had a strong impact on the development of industry.In the market the method for testing of material damping performance is mainly contained two kinds of humidity reaction method and thermotonus methods.The thermotonus method is to put into the chest that is sealed to material, makes humidity change in the case through the temperature around the change chest, according to humidity in the case and variation of temperature, through calculating the moisture adsorption and releasing amount of obtaining 1 ℃ of the every variation of material.The variation of humiture mainly is that variation by the water in air vapor content causes in the daily life, receives the influence of environment temperature less.But in real life, the variation of circumstance of temperature difference is not very big, is difficult to the Saturated Moisture Content of product is exerted an influence.The humidity reaction method is with the inner relative humidity variations of constant temperature and humidity experimental box; Under the variation of relative humidity, because the effect of inside and outside psychrometric difference, test sample absorbs or discharges water vapor to surrounding environment; According to the changing value of test sample quality, weigh the size of sample damping ability.Compare with the thermotonus method; The humidity reaction method has stronger practicality and generalization; And it is simple to operation; Add that the principal element that influences product moisture adsorption and releasing amount is the variable quantity of envionmental humidity, so most enterprise all adopts the humidity reaction method as product moisture absorption and desorption property detection method.
The instrument that is widely used at present with humidity reaction method detection damping performance often all is the combination of constant temperature humidity chamber and electronic balance.Wherein constant temperature humidity chamber can be through the warm and humid mode of mechanical type control, the humiture of control experimental enviroment, because the development of mechanical control technology, the degree of accuracy of humiture can satisfy the requirement of test.But because internal gas flow speed is uncontrollable, and the test sample airflow on surface is bigger to the test result influence, therefore need address this problem, and forms the more complete damping performance detecting system of a cover; On the other hand and since the needs of electronic balance reading often will be in experimentation the switch test chamber door, can influence the stability of test environment.
The utility model content
The utility model purpose is to provide a cover mechanical constant temperature oven humidity-controlling functional material performance test apparatus complete and that improve stable testing property.
The utility model machinery constant temperature oven humidity-controlling functional material performance test apparatus; Comprise relative humidity control section, weighing part and humiture monitoring part; Said relative humidity control section has the confined space of an adjustable temperature and humidity; Said weighing part and humiture monitoring part place in this confined space; Weighing part is an electronic balance, and said humiture monitoring part comprises temp probe and moisture probe, and the equal line of electronic balance, temp probe and moisture probe is in the computing machine be located at outside this confined space.
Said relative humidity control section is the mechanical type constant temperature oven; Form confined space by a climatic chamber; Testing sample places on the electronic balance; Temp probe and moisture probe lay respectively at the position of testing sample top 50mm, at testing sample, temp probe, moisture probe and electronic balance peripheral hardware one hurricane globe, leave a plurality of through holes on the side wall surface of hurricane globe.
The internal volume of said confined space is not less than 0.5m
3
The through hole of said hurricane globe side wall surface evenly or be non-uniformly distributed in the left and right sides.
The through-hole diameter of said hurricane globe side wall surface is 1.5cm～3cm.
The hole size of said hurricane globe side wall surface is unequal.
The volume of said hurricane globe is not less than 0.3m
3
The utility model mainly is made up of relative humidity control section, weighing part and humiture monitoring part, wherein with the mechanical constant temperature oven system that adds protective cover as the relative humidity control section.The utility model can be with the moisture absorption and desorption property of humidity reaction method test material, through arriving of computer real-time recorded electronic balance weighing the test sample data, calculate the size of sample moisture adsorption and releasing ability.The utility model is owing to added hurricane globe; Can reduce the influence of the air-flow of inner test sample top to test result, also can guarantee certain gas velocity simultaneously, the humiture of maintenance internal environment evenly, accurately; Make test result more accurate in the time of control test environment humiture; Reduce the influence of environmental factor, not only can accurately measure the damping performance of material test result, and the test result good stability.
Description of drawings
Fig. 1 is the formation synoptic diagram of the utility model machinery constant temperature oven humidity-controlling functional material performance test apparatus.
Fig. 2 is the quality-time changing curve figure of the utility model to damping wallpaper and damping ceramic tile sample detection.
Embodiment
The utility model is to formulate for the industry standard of damping building materials to make.Mainly provide a kind of reasonable science stable humidity adjusting material Performance Test System, be used for moisture absorption and desorption property with humidity reaction method test material.
The humidity adjusting material testing apparatus of the utility model mainly is made up of relative humidity control section, weighing part and humiture monitoring part.The relative humidity control section is in order to make and to keep the test environment of specimen; Weighing part is an electronic balance, in order to specimen is carried out accurately weighing in real time; Humiture monitoring part comprises temp probe and moisture probe, stretches into to be positioned at the test sample surface top in the relative humidity control section device and to be used to monitor the sample surfaces temperature and humidity; The equal line of electronic balance, temp probe and moisture probe so that record and demonstration change numerical value separately, is realized the data in real time monitoring, the influence of avoiding the switch chamber door that testing environment is caused simultaneously in an external computing machine.
One, relative humidity control section
In the utility model, the relative humidity control section can be realized with the mechanical type constant temperature oven according to the test needs.
Wherein:
Referring to shown in Figure 1; The mechanical type constant temperature oven is temperature and a relative humidity of utilizing constant temperature humidity chamber control test environment; In an existing climatic chamber 1, place the electronic balance 2 of weighing part; Testing sample S is placed on the electronic balance 2, the temp probe 3 of monitoring part hangs on the position of testing sample top 50mm respectively with moisture probe 4, and in climatic chamber 1, adds a hurricane globe 5 again; Testing sample S, temp probe 3, moisture probe 4 and electronic balance 2 are covered to go in this hurricane globe 5 simultaneously, leave the through hole of a greater number on the side wall surface of hurricane globe 5.In this system, the internal volume of climatic chamber 1 is not less than 0.5m
3, the deviation of the temperature inside the box setting value should not surpass ± 0.5 ℃, and relative humidity and setting value deviation should not surpass ± 2%, and when (23 ± 0.5) ℃, the time that relative humidity from 30% to 95% is changed each other is no more than 20min; The volume of hurricane globe 5 should be not less than 0.3m
3, according to the size of gas velocity in the constant temperature humidity chamber, the characteristic distributions of opening at the side wall surface of cover of through hole is that the left and right sides all has; Distribute, size can be irregular; The size in hole is to be advisable in 1.5cm～3cm scope with the diameter, and the quantity in hole is confirmed by the size that gets into wind speed in the case, guaranteed also that when reducing wind-force there is certain wind speed hurricane globe 5 inner spaces; Guarantee that the internal environment humiture reaches balance fast, make and proofread and correct water vapor skin resistance numerical value in the cover in (12.0～14.6) * 10
3m
2In the hPa/mg scope.This mechanical type constant temperature oven can reduce the influence of the air-flow of inner test sample top to test result owing to added hurricane globe 5, also can guarantee that certain gas velocity keeps the humiture of internal environment even simultaneously.
Two, humiture monitoring part
In the utility model; Humiture monitoring part is made up of the humiture detection instrument, and wherein temp probe 3 places 50mm place, testing sample surface with moisture probe 4, is used to monitor the aerial temperature and humidity on sample surface to be measured; So that adjustment control test environment humiture guarantees the accurate of test result.
Three, weighing part
In the utility model; Weighing part is highly moistureproof electronic balance 2; Reading part is connected with outer computer (drawing among the figure), can be by the on-line automatic record data of computing machine, and need take out sample when both having avoided reading and change internal environment; Influence testing result, guaranteed the continuity and the accuracy of reading again.
Four, computing machine
In the utility model, used computing machine is common desktop computer or notebook computer, directly writes down the instant quality by the test sample of electronic balance transmission through computing machine, and the numerical value that obtains is calculated the moisture adsorption and releasing amount of sample through the following formula of prepackage:
W
a＝(m
a-m
0)/A ……………………………………………(1)
W
d＝(m
a-m
d)/A ……………………………………………(2)
In the formula:
W
aHygroscopic capacity when-moisture absorption process finishes, unit is every square metre of (kg/m of kilogram
2);
W
dMoisture releasing amount when-moisture releasing process finishes, unit is every square metre of (kg/m of kilogram
2);
m
aThe quality of sample when-moisture absorption process finishes, unit is a kilogram (kg);
m
dThe quality of sample when-moisture releasing process finishes, unit is a kilogram (kg);
m
0The quality of sample after the-maintenance, unit is a kilogram (kg);
A-sample moisture absorption to be measured/moisture releasing area, unit is a square metre (m
2).
Five, material moisture absorption and desorption property test
Below through the concrete test process that detects instance explanation the utility model.
(1) moisture absorption and desorption property test
Select for use ornament materials to be measured to carry out the moisture absorption and desorption property test with the utility model test macro.Detected materials is processed the sample that area is 25cm * 25cm respectively, carries out the detection of moisture adsorption and releasing amount according to the following steps:
1) earlier sample is placed maintenance 24h in the constant temperature enclosure under (23 ± 0.5) ℃ environment temperature, the 33% relative humidity condition, be not more than 0.1% to the variable quantity of sample quality;
2) relative humidity in the climatic chamber is set at 93%; Sample is put into, installed hurricane globe, beginning is by the sample quality of the continuous 24h recorded electronic of computing machine balance transmission; And calculate the 24h hygroscopic capacity of sample by formula (1), accomplish moisture pick-up properties thus and detect;
3) afterwards relative humidity in the climatic chamber is changed into 33%, continue sample quality, and calculate the moisture releasing amount of sample 24h, accomplish the moisture releasing performance detection thus by formula (2) by the transmission of the continuous 24h recorded electronic of computing machine balance.
Testing result is referring to table 2
Table 2 sample 24h moisture adsorption and releasing amount (unit: kg/m
2)
(2) repeatability of sample detects
Choose certain building material product (damping wallpaper), according to the method for operating of (1) its moisture absorption and desorption property is carried out duplicate detection respectively, testing result is seen table 3.
The damping performance repeated test result (unit: kg/m of several kinds of building material mades of table 3
2)
Can find out that from table 3 the relative humidity control section detects same sample with same system, the testing result good reproducibility.
(3) sample comparison and detection
Choose the test specimen that Japan factory provides, adopt mechanical type constant temperature oven system to detect, by the computer recording real time data and calculate the sample quality curve according to the method for (1).Whether the testing result that is provided by Japan authoritative detection department that testing result and producer are provided compares, reasonable to verify this detection method.
Fig. 4 is the utility model test record curve, and calculating the wallpaper hygroscopic capacity according to this is 47.56 * 10
-3Kg/m
2, the moisture releasing amount is 45.94 * 10
-3Kg/m
2The ceramic tile hygroscopic capacity is 301.92 * 10
-3Kg/m
2, the moisture releasing amount is 287.28 * 10
-3Kg/m
2
Examining report curve calculation wallpaper hygroscopic capacity according to Japanese testing agency is about 47g/m
2, the moisture releasing amount is about 46g/m
2The ceramic tile hygroscopic capacity is about 300g/m
2, the moisture releasing amount is about 290g/m
2The test result error that absolute value contrast through data can draw the utility model method is in 1%, and test rationally effectively.
Claims (8)
1. mechanical constant temperature oven humidity-controlling functional material performance test apparatus; Comprise relative humidity control section, weighing part and humiture monitoring part; It is characterized in that; Said relative humidity control section has the confined space of an adjustable temperature and humidity, and said weighing part and humiture monitoring part place in this confined space, and weighing part is an electronic balance; Said humiture monitoring part comprises temp probe and moisture probe, and the equal line of electronic balance, temp probe and moisture probe is in the computing machine be located at outside this confined space.
2. according to the said equipment of claim 1, it is characterized in that said relative humidity control section is the mechanical type constant temperature oven.
3. according to the said equipment of claim 2; It is characterized in that; Said mechanical type constant temperature oven forms confined space by a climatic chamber, and testing sample places on the electronic balance, and temp probe and moisture probe lay respectively at the position of testing sample top 50mm; At testing sample, temp probe, moisture probe and electronic balance peripheral hardware one hurricane globe, leave a plurality of through holes on the side wall surface of hurricane globe.
4. according to claim 1 or 2 or 3 said equipment, it is characterized in that the internal volume of said confined space is not less than 0.5m
3
5. according to the said equipment of claim 3, it is characterized in that the through hole of said hurricane globe side wall surface evenly or be non-uniformly distributed in the left and right sides.
6. according to the said equipment of claim 3, it is characterized in that the through-hole diameter of said hurricane globe side wall surface is 1.5cm～3cm.
7. according to the said equipment of claim 6, it is characterized in that the hole size of said hurricane globe side wall surface is unequal.
8. want 3 said equipment according to right, it is characterized in that, the volume of said hurricane globe is not less than 0.3m
3
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202150698U CN202166580U (en) | 2010-12-13 | 2011-06-23 | Equipment for testing performance of humidification function materials of mechanical thermostat |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010592058 | 2010-12-13 | ||
| CN201010592058.1 | 2010-12-13 | ||
| CN2011202150698U CN202166580U (en) | 2010-12-13 | 2011-06-23 | Equipment for testing performance of humidification function materials of mechanical thermostat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202166580U true CN202166580U (en) | 2012-03-14 |
Family
ID=44980325
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110170945 Active CN102252932B (en) | 2010-12-13 | 2011-06-23 | Performance testing equipment for humidifying function material and testing method |
| CN2011202150698U Expired - Lifetime CN202166580U (en) | 2010-12-13 | 2011-06-23 | Equipment for testing performance of humidification function materials of mechanical thermostat |
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|---|---|---|---|
| CN 201110170945 Active CN102252932B (en) | 2010-12-13 | 2011-06-23 | Performance testing equipment for humidifying function material and testing method |
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| CN (2) | CN102252932B (en) |
Cited By (2)
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| CN102252932A (en) * | 2010-12-13 | 2011-11-23 | 中国建筑材料科学研究总院 | Performance testing equipment for humidifying function material and testing method |
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| CN102252932B (en) * | 2010-12-13 | 2013-04-17 | 中国建筑材料科学研究总院 | Performance testing equipment for humidifying function material and testing method |
-
2011
- 2011-06-23 CN CN 201110170945 patent/CN102252932B/en active Active
- 2011-06-23 CN CN2011202150698U patent/CN202166580U/en not_active Expired - Lifetime
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| CN102252932B (en) * | 2010-12-13 | 2013-04-17 | 中国建筑材料科学研究总院 | Performance testing equipment for humidifying function material and testing method |
| CN109030153A (en) * | 2018-10-15 | 2018-12-18 | 中国烟草总公司郑州烟草研究院 | A kind of wind speed is controllably used to adjust the device and method of cigarette moisture content |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN102252932A (en) | 2011-11-23 |
| CN102252932B (en) | 2013-04-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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| CX01 | Expiry of patent term |
Granted publication date: 20120314 |