CN108169280A - A kind of test method of eiderdown shell fabric contact changes in temperature degree - Google Patents
A kind of test method of eiderdown shell fabric contact changes in temperature degree Download PDFInfo
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- CN108169280A CN108169280A CN201711466849.8A CN201711466849A CN108169280A CN 108169280 A CN108169280 A CN 108169280A CN 201711466849 A CN201711466849 A CN 201711466849A CN 108169280 A CN108169280 A CN 108169280A
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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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Abstract
The invention belongs to eiderdown shell fabric detection field and disclose a kind of test method of eiderdown shell fabric contact changes in temperature degree；It is measured including cold degree and temperature measuring method, inter-cooling level measurement and temperature measuring method includes the following steps：First, sample the pre-heat treatment；2nd, equipment the pre-heat treatment；3rd, sample test；4th, equipment the pre-heat treatment again；5th, sample test.The method of the present invention is by strictly controlling humiture, wind speed and constant temperature cold plate, the temperature of test board of test environment, and sample and equipment are adequately preheated, error is reduced on test environment, it can find and scientific basis is provided for product quality classification, consumer's free choice of goods, fake and inferior commodities, application prospect is extensive.
Description
Technical field
The present invention relates to eiderdown shell fabric detection technique fields, and in particular to a kind of test side of eiderdown shell fabric contact changes in temperature degree
Method.
Background technology
The thermal property of eiderdown shell fabric is most important to the comfort of the fabric made by it.It is natural feather face to contact changes in temperature degree
Expect an important indicator of product quality.The contact changes in temperature degree of so-called eiderdown shell fabric is exactly to people after it is contacted with human skin
The thermal stimulus of body skin formed in the brain of people about cold or warm judgement.The shell temperature of usual human body is generally 33
DEG C or so, winter eiderdown shell fabric temperature can usually be less than skin temperature, and contact initial stage heat can be from the body surface of high temperature to low
The eiderdown shell fabric of temperature transmits rapidly, until hot-fluid can just reach stable i.e. into steady when the two surface temperature of contact reaches identical
State is conducted heat, and the temperature difference before this is larger, and heat power is more than steady state heat transfer, referred to as unsteady-state heat transfer or Transient Heat Transfer.Stable state passes
It is covered with thermal resistance from textile to the thermal power of external diffusion or warmth retention property that the human body of eiderdown shell fabric embodies in thermal process, and unstable state
The cold degree of thermal power major embodiment textile that the human body of eiderdown shell fabric scatters and disappears outward is covered in diabatic process.
And what warm degree represented is body surface temperature when being contacted when body surface temperature is relatively low with the eiderdown shell fabric of higher temperature
Degree stimulation formed in the brain of people about cold or warm judgement.It is main for the evaluation of eiderdown shell fabric contact changes in temperature degree at present
It is the subjective estimate method of most original.Although subjective assessment can really reflect judgement of the people for textile changes in temperature sense, quantization
Difficulty, random error are big.So how to provide a kind of kind plumage scientific and normal, test process is simple and effective, measuring accuracy is high
Velvet fabric contacts the test method of changes in temperature degree, is those skilled in the art's problem to be solved.
Invention content
The present invention provides a kind of natural feather face for prior art subjective factor is larger, is difficult to the difficult point of quantitatively evaluating
The test method of material contact changes in temperature degree.
The present invention using following technical scheme in order to solve the above technical problems, realized：
The test method that a kind of eiderdown shell fabric contacts cold degree is designed, is included the following steps：
Step 1：Sample preheats：Eiderdown shell fabric to be detected is cut into the square-like of 20cm × 20cm sizes first
Then 20cm × 20cm square samples point are cut into the test sample of four 5cm × 5cm sizes, by the survey of 5cm × 5cm by product
Test agent is entirely shelved on heat-insulating panel, and the heat-insulating panel is then placed on to temperature is 5 DEG C, relative humidity is
Preset 10h in the constant-temperature constant-humidity environment of 65%RH；
Step 2：Equipment preheats：Changes in temperature degree tester is placed in the constant-temperature constant-humidity environment described in step 1 first and is closed
Machine is preset；Then before start-up operation during 1h, it is 5 DEG C to open changes in temperature degree tester and regulating thermostatic cold plate temperature, test board temperature
It is 20 DEG C to spend, and 1h is preheated under standby mode；
Step 3：After preheating terminates, the test sample of 5cm × 5cm is accommodated to rapidly the edge of test sample with tweezers
It is partially disposed on constant temperature cold plate, and ensures that test sample and the center of constant temperature cold plate are aligned, then press upper test board simultaneously
Start to test, the test board center is equipped with temperature sensor and temperature parameter is transmitted to the number of changes in temperature degree tester in real time
According to process part, changes in temperature degree tester records the curve that test sample temperature changes over time in real time, when the temperature of test sample
When fluctuating change is less than 0.1%, stops test, obtain the number that maximum thermal transient flow Qmax, total heat dissipation capacity W, changes in temperature spend time T
According to；The contact when test board works with constant temperature cold plate is 5N, and wind speed is less than 1m/s in test process；The survey
Test plate (panel) remains 20 DEG C of temperature under this working condition；
Step 4：Adjustment of cold/warm degree tester is in standby mode, and setting constant temperature cold plate temperature is 5 DEG C, tests plate temperature
It is 20 DEG C, preheats 15min, continues step 3 and test remaining three pieces of test samples；
Step 5：The obtained maximum thermal transient flow Qmax of four pieces of test samples, total heat dissipation capacity W, changes in temperature are spent into time T
It is averaged to obtain the final result i.e. key index of eiderdown shell fabric contact changes in temperature degree；
Preferably, the step two test board need to take heat shield to be isolated with constant-temperature constant-humidity environment in preheating.
Preferably, the test board is fine copper metallic plate, and is 9cm with the contact area of test sample2；The perseverance
Warm cold plate is aluminum metal plate, and is 25cm with the contact area of test sample2。
Preferably, the sample also needs to its test surfaces being trimmed before preheating.
A kind of test method of the warm degree of eiderdown shell fabric contact is designed, is included the following steps：
Step 1：Sample preheats：Eiderdown shell fabric to be detected is cut into the square-like of 20cm × 20cm sizes first
Then 20cm × 20cm square samples point are cut into the test sample of four 5cm × 5cm sizes, by the survey of 5cm × 5cm by product
Test agent is entirely shelved on heat-insulating panel, the heat-insulating panel then is placed on 30 DEG C of temperature, relative humidity is
Preset 10h in the constant-temperature constant-humidity environment of 65%RH；
Step 2：Equipment preheats：Changes in temperature degree tester is placed in the constant-temperature constant-humidity environment described in step 1 first and is closed
Machine is preset；Then before start-up operation during 1h, it is 30 DEG C to open changes in temperature degree tester and regulating thermostatic cold plate temperature, test board temperature
It is 15 DEG C to spend, and 1h is preheated under standby mode；
Step 3：After preheating terminates, the test sample of 5cm × 5cm is accommodated to rapidly the edge of test sample with tweezers
It is partially disposed on constant temperature cold plate, and ensures that test sample and the center of constant temperature cold plate are aligned, then press upper test board simultaneously
Start to test, the test board center is equipped with temperature sensor and temperature parameter is transmitted to the number of changes in temperature degree tester in real time
According to process part, changes in temperature degree tester records the curve that test sample temperature changes over time in real time, when the temperature of test sample
When fluctuating change is less than 0.1%, stops test, obtain the number that maximum thermal transient flow Qmax, total heat dissipation capacity W, changes in temperature spend time T
According to；The contact when test board works with constant temperature cold plate is 5N, and wind speed is less than 1m/s in test process；The survey
Inside heating module is stopped when test plate (panel) works, and only records its temperature variations；
Step 4：Adjustment of cold/warm degree tester is in standby mode, and setting constant temperature cold plate temperature is 30 DEG C, tests plate temperature
It is 15 DEG C, preheats 15min, continues step 3 and test remaining three pieces of test samples；
Step 5：The obtained maximum thermal transient flow Qmax of four pieces of test samples, total heat dissipation capacity W, changes in temperature are spent into time T
It is averaged to obtain the final result i.e. key index of eiderdown shell fabric contact changes in temperature degree.
Preferably, the constant temperature cold plate is in a manner that heating liquid keeps constant temperature.
Preferably, the step two test board need to take heat shield to be isolated with constant-temperature constant-humidity environment in preheating.
Preferably, the test board is fine copper metallic plate, and is 9cm with the contact area of test sample2；The perseverance
Warm cold plate is aluminum metal plate, and is 25cm with the contact area of test sample2。
Preferably, the sample also needs to its test surfaces being trimmed before preheating.
A kind of test method of eiderdown shell fabric contact changes in temperature degree proposed by the present invention, advantageous effect are：
(1) the method for the present invention is by strictly controlling humiture, wind speed and constant temperature cold plate, the temperature of test board of test environment
Degree, and sample and equipment are adequately preheated, error is reduced on test environment；
(2) on the one hand the method for the present invention is arranged on by being equipped with temperature sensor on the test board of changes in temperature degree tester
The sensor of middle position reduces influence of the external environment to it, and another aspect temperature sensor is real by the temperature parameter of acquisition
When pass to the data processing section of changes in temperature degree tester and draw the curve that changes over time of Contact Temperature, the amount of having obtained automatically
Change the data of examination, it is more intuitive and accurate；
(3) the cold degree of eiderdown shell fabric and warm degree can conveniently be quantified by the method for the present invention, can is product matter
Amount classification, consumer's free choice of goods, fake and inferior commodities find offer scientific basis, and application prospect is extensive.
Description of the drawings
The present invention is described in further detail for embodiment in below in conjunction with the accompanying drawings, but does not form to the present invention's
Any restrictions.
Fig. 1 is that the method for the present invention exports thermal power time history plot during the test.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.
A kind of eiderdown shell fabric of the present invention contacts the test method of cold degree, includes the following steps：
Step 1：Sample preheats：Eiderdown shell fabric to be detected is cut into the square-like of 20cm × 20cm sizes first
Then 20cm × 20cm square samples point are cut into the test sample of four 5cm × 5cm sizes, by the survey of 5cm × 5cm by product
Test agent is entirely shelved on heat-insulating panel, and the heat-insulating panel is then placed on to temperature is 5 DEG C, relative humidity is
Preset 10h in the constant-temperature constant-humidity environment of 65%RH；
Step 2：Equipment preheats：Constant temperature KES-F7IIB type changes in temperature degree testers being placed on described in step 1 first is permanent
It shuts down in wet environment preset；Then before start-up operation during 1h, KES-F7IIB type changes in temperature degree tester changes in temperature degree testers are opened
And regulating thermostatic cold plate temperature is 5 DEG C, test plate temperature is 20 DEG C, and 1h is preheated under standby mode；
Step 3：After preheating terminates, the test sample of 5cm × 5cm is accommodated to rapidly the edge of test sample with tweezers
It is partially disposed on constant temperature cold plate, and ensures that test sample and the center of constant temperature cold plate are aligned, then press upper test board simultaneously
Start to test, the test board center is equipped with temperature sensor and temperature parameter is transmitted to KES-F7IIB type changes in temperature in real time
The data processing section of tester is spent, KES-F7IIB type changes in temperature degree testers record test sample temperature and change over time in real time
Curve, when the temperature fluctuation variation of test sample is less than 0.1%, stop test, obtain maximum thermal transient flow Qmax, total
Heat dissipation capacity W, changes in temperature spend the data of time T；The contact when test board works with constant temperature cold plate is 5N, test process
Middle wind speed is less than 1m/s；The test board remains 20 DEG C of temperature under this working condition；
Step 4：Adjustment of cold/warm degree tester is in standby mode, and setting constant temperature cold plate temperature is 5 DEG C, tests plate temperature
It is 20 DEG C, preheats 15min, continues step 3 and test remaining three pieces of test samples；
Step 5：The obtained maximum thermal transient flow Qmax of four pieces of test samples, total heat dissipation capacity W, changes in temperature are spent into time T
It is averaged to obtain the final result i.e. key index of eiderdown shell fabric contact changes in temperature degree；
Step two test board need to take heat shield to be isolated with constant-temperature constant-humidity environment in preheating；The test board
It is 9cm for fine copper metallic plate, and with the contact area of test sample2；The constant temperature cold plate be aluminum metal plate, and with test
The contact area of sample is 25cm2；The sample also needs to its test surfaces being trimmed before preheating.
A kind of test method of the warm degree of eiderdown shell fabric contact of the present invention, includes the following steps：
Step 1：Sample preheats：Eiderdown shell fabric to be detected is cut into the square-like of 20cm × 20cm sizes first
Then 20cm × 20cm square samples point are cut into the test sample of four 5cm × 5cm sizes, by the survey of 5cm × 5cm by product
Test agent is entirely shelved on heat-insulating panel, the heat-insulating panel then is placed on 30 DEG C of temperature, relative humidity is
Preset 10h in the constant-temperature constant-humidity environment of 65%RH；
Step 2：Equipment preheats：Constant temperature KES-F7IIB type changes in temperature degree testers being placed on described in step 1 first is permanent
It shuts down in wet environment preset；Then it before start-up operation during 1h, opens KES-F7IIB types changes in temperature degree tester and regulating thermostatic is cold
Plate temperature is 30 DEG C, and test plate temperature is 15 DEG C, and 1h is preheated under standby mode；
Step 3：After preheating terminates, the test sample of 5cm × 5cm is accommodated to rapidly the edge of test sample with tweezers
It is partially disposed on constant temperature cold plate, and ensures that test sample and the center of constant temperature cold plate are aligned, then press upper test board simultaneously
Start to test, the test board center is equipped with temperature sensor and temperature parameter is transmitted to KES-F7IIB type changes in temperature in real time
The data processing section of tester is spent, KES-F7IIB type changes in temperature degree testers record test sample temperature and change over time in real time
Curve, when the temperature fluctuation variation of test sample is less than 0.1%, stop test, obtain maximum thermal transient flow Qmax, total
Heat dissipation capacity W, changes in temperature spend the data of time T；The contact when test board works with constant temperature cold plate is 5N, test process
Middle wind speed is less than 1m/s；Inside heating module is stopped when the test board works, and only records its temperature variations；
Step 4：Adjustment of cold/warm degree tester is in standby mode, and setting constant temperature cold plate temperature is 30 DEG C, tests plate temperature
It is 15 DEG C, preheats 15min, continues step 3 and test remaining three pieces of test samples；
Step 5：The obtained maximum thermal transient flow Qmax of four pieces of test samples, total heat dissipation capacity W, changes in temperature are spent into time T
It is averaged to obtain the final result i.e. key index of eiderdown shell fabric contact changes in temperature degree.
The constant temperature cold plate is kept using heating liquid by the way of constant temperature；Step two test board is needed in preheating
Heat shield is taken to be isolated with constant-temperature constant-humidity environment；The test board be fine copper metallic plate, and with the contact area of test sample
For 9cm2；The constant temperature cold plate is aluminum metal plate, and is 25cm with the contact area of test sample2；The sample is pre-
It also needs to its test surfaces being trimmed before heat.
A typical output thermal power of KES-F7IIB type changes in temperature degree tester test output is shown refering to attached drawing 1
With the curve graph of time change, maximum transient state when what as can be seen from the figure Qmax was represented is beta version contact constant temperature cold plate
Heat flow, unit W/cm2；Changes in temperature, which spend time T and represent that beta version and constant temperature cold plate temperature reach, stablizes later time, unit
For s；Total heat dissipation capacity represents that changes in temperature spend within time T the integrated value for exporting thermal power, unit W.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (9)
1. a kind of eiderdown shell fabric contacts the test method of cold degree, which is characterized in that includes the following steps：
Step 1：Sample preheats：Eiderdown shell fabric to be detected is cut into the square sample of 20cm × 20cm sizes first, so
20cm × 20cm square samples point are cut into the test sample of four 5cm × 5cm sizes afterwards, by the test sample of 5cm × 5cm
It is entirely shelved on heat-insulating panel, the heat-insulating panel is then placed on to temperature is 5 DEG C, relative humidity is 65%RH's
Preset 10h in constant-temperature constant-humidity environment；
Step 2：Equipment preheats：Changes in temperature degree tester is placed in the constant-temperature constant-humidity environment described in step 1 first and is shut down in advance
It puts；Then before start-up operation during 1h, it is 5 DEG C to open changes in temperature degree tester and regulating thermostatic cold plate temperature, and test plate temperature is
20 DEG C, 1h is preheated under standby mode；
Step 3：After preheating terminates, the test sample of 5cm × 5cm is accommodated to rapidly the marginal portion of test sample with tweezers
It is placed on constant temperature cold plate, and ensures that test sample and the center of constant temperature cold plate are aligned, then press upper test board and start
Test, the test board center are equipped with temperature sensor and temperature parameter are transmitted at the data of changes in temperature degree tester in real time
Part is managed, changes in temperature degree tester records the curve that test sample temperature changes over time in real time, when the temperature fluctuation of test sample
When variation is less than 0.1%, stops test, obtain the data that maximum thermal transient flow Qmax, total heat dissipation capacity W, changes in temperature spend time T；
The contact when test board works with constant temperature cold plate is 5N, and wind speed is less than 1m/s in test process；The test
Plate remains 20 DEG C of temperature under this working condition；
Step 4：Adjustment of cold/warm degree tester is in standby mode, and setting constant temperature cold plate temperature is 5 DEG C, and test plate temperature is 20
DEG C, 15min is preheated, continues step 3 and tests remaining three pieces of test samples；
Step 5：The obtained maximum thermal transient flow Qmax of four pieces of test samples, total heat dissipation capacity W, changes in temperature are spent time T and made even
It is worth to the final result i.e. key index of eiderdown shell fabric contact changes in temperature degree.
2. a kind of eiderdown shell fabric according to claim 1 contacts the test method of cold degree, which is characterized in that the step
Two test boards need to take heat shield to be isolated with constant-temperature constant-humidity environment in preheating.
3. a kind of eiderdown shell fabric according to claim 1 contacts the test method of cold degree, which is characterized in that the test
Plate is fine copper metallic plate, and is 9cm with the contact area of test sample2；The constant temperature cold plate be aluminum metal plate, and with survey
The contact area of test agent is 25cm2。
4. a kind of eiderdown shell fabric according to claim 1 contacts the test method of cold degree, which is characterized in that the sample
It also needs to its test surfaces being trimmed before preheating.
5. a kind of test method of the warm degree of eiderdown shell fabric contact, which is characterized in that include the following steps：
Step 1：Sample preheats：Eiderdown shell fabric to be detected is cut into the square sample of 20cm × 20cm sizes first, so
20cm × 20cm square samples point are cut into the test sample of four 5cm × 5cm sizes afterwards, by the test sample of 5cm × 5cm
It is entirely shelved on heat-insulating panel, the heat-insulating panel is then placed on 30 DEG C of temperature, relative humidity is 65%RH's
Preset 10h in constant-temperature constant-humidity environment；
Step 2：Equipment preheats：Changes in temperature degree tester is placed in the constant-temperature constant-humidity environment described in step 1 first and is shut down in advance
It puts；Then before start-up operation during 1h, it is 30 DEG C to open changes in temperature degree tester and regulating thermostatic cold plate temperature, and test plate temperature is
15 DEG C, 1h is preheated under standby mode；
Step 3：After preheating terminates, the test sample of 5cm × 5cm is accommodated to rapidly the marginal portion of test sample with tweezers
It is placed on constant temperature cold plate, and ensures that test sample and the center of constant temperature cold plate are aligned, then press upper test board and start
Test, the test board center are equipped with temperature sensor and temperature parameter are transmitted at the data of changes in temperature degree tester in real time
Part is managed, changes in temperature degree tester records the curve that test sample temperature changes over time in real time, when the temperature fluctuation of test sample
When variation is less than 0.1%, stops test, obtain the data that maximum thermal transient flow Qmax, total heat dissipation capacity W, changes in temperature spend time T；
The contact when test board works with constant temperature cold plate is 5N, and wind speed is less than 1m/s in test process；The test
Inside heating module is stopped when plate works, and only records its temperature variations；
Step 4：Adjustment of cold/warm degree tester is in standby mode, and setting constant temperature cold plate temperature is 30 DEG C, and test plate temperature is 15
DEG C, 15min is preheated, continues step 3 and tests remaining three pieces of test samples；
Step 5：The obtained maximum thermal transient flow Qmax of four pieces of test samples, total heat dissipation capacity W, changes in temperature are spent time T and made even
It is worth to the final result i.e. key index of eiderdown shell fabric contact changes in temperature degree.
A kind of 6. test method of warm degree of eiderdown shell fabric contact according to claim 5, which is characterized in that the constant temperature
Cold plate is kept using heating liquid by the way of constant temperature.
A kind of 7. test method of warm degree of eiderdown shell fabric contact according to claim 5, which is characterized in that the step
Two test boards need to take heat shield to be isolated with constant-temperature constant-humidity environment in preheating.
A kind of 8. test method of warm degree of eiderdown shell fabric contact according to claim 5, which is characterized in that the test
Plate is fine copper metallic plate, and is 9cm with the contact area of test sample2；The constant temperature cold plate be aluminum metal plate, and with survey
The contact area of test agent is 25cm2。
A kind of 9. test method of warm degree of eiderdown shell fabric contact according to claim 5, which is characterized in that the sample
It also needs to its test surfaces being trimmed before preheating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711466849.8A CN108169280A (en) | 2017-12-29 | 2017-12-29 | A kind of test method of eiderdown shell fabric contact changes in temperature degree |
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| CN201711466849.8A CN108169280A (en) | 2017-12-29 | 2017-12-29 | A kind of test method of eiderdown shell fabric contact changes in temperature degree |
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| CN108169280A true CN108169280A (en) | 2018-06-15 |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104316557A (en) * | 2014-10-10 | 2015-01-28 | 东华大学 | Temperature variation sensing and index calculating method of textiles |
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2017
- 2017-12-29 CN CN201711466849.8A patent/CN108169280A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104316557A (en) * | 2014-10-10 | 2015-01-28 | 东华大学 | Temperature variation sensing and index calculating method of textiles |
Non-Patent Citations (1)
| Title |
|---|
| 聂静: "《羽绒被舒适性能的测试与评价》", 《中国优秀硕士学位论文全文数据库 工程科技I辑》 * |
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Application publication date: 20180615 |
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