CN110031609A - A kind of test device of the moisture-inhibiting of silk cocoon case material and permeability - Google Patents
A kind of test device of the moisture-inhibiting of silk cocoon case material and permeability Download PDFInfo
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- CN110031609A CN110031609A CN201910211135.5A CN201910211135A CN110031609A CN 110031609 A CN110031609 A CN 110031609A CN 201910211135 A CN201910211135 A CN 201910211135A CN 110031609 A CN110031609 A CN 110031609A
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- 239000000463 material Substances 0.000 title claims abstract description 57
- 230000035699 permeability Effects 0.000 title claims abstract description 24
- 238000012360 testing method Methods 0.000 title claims abstract description 23
- 230000002401 inhibitory effect Effects 0.000 title claims abstract description 21
- 238000005259 measurement Methods 0.000 claims abstract description 99
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000007789 sealing Methods 0.000 claims abstract description 7
- 239000011347 resin Substances 0.000 claims description 6
- 229920005989 resin Polymers 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 3
- 239000011257 shell material Substances 0.000 description 13
- 239000002390 adhesive tape Substances 0.000 description 9
- 241000255789 Bombyx mori Species 0.000 description 6
- 230000006872 improvement Effects 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- 230000000704 physical effect Effects 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical group [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000009781 safety test method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/082—Investigating permeability by forcing a fluid through a sample
- G01N15/0826—Investigating permeability by forcing a fluid through a sample and measuring fluid flow rate, i.e. permeation rate or pressure change
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/36—Textiles
- G01N33/367—Fabric or woven textiles
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Analytical Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Textile Engineering (AREA)
- Fluid Mechanics (AREA)
- Dispersion Chemistry (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
Abstract
A kind of test device of the moisture-inhibiting of silk cocoon case material and permeability, including aspiration pump, temperature and humidity control cabinet and it is located at the intracorporal measurement cavity of temperature and humidity control case, pedestal is equipped in temperature and humidity control cabinet, measuring cavity includes the upper measurement cavity and lower measurement cavity being connected, the lower end of lower measurement cavity is detachably connected by bolt and pedestal, the lower end of upper measurement cavity and the upper end of lower measurement cavity are detachably connected, and upper measurement cavity upper end is equipped with sealing cover；The support portion for being used to support the protrusion of silk cocoon shell is equipped in upper measurement cavity lower end, upper measurement cavity is equipped with upper baroceptor and upper humidity sensor, upper measurement cavity upper end is equipped with air inlet, and aspiration pump is connected by air inlet pipe with air inlet, and air inlet pipe is equipped with flowmeter；Lower measurement cavity is equipped with lower baroceptor and lower humidity sensor.The present invention can accurately test the moisture-inhibiting of silk cocoon case material and permeability.
Description
Technical field
The present invention relates to detection technique fields, and in particular to a kind of silk cocoon case material moisture-inhibiting and the test of permeability dress
It sets.
Background technique
By thousands of years of evolution, unique multiple dimensioned, polymorphic structure is formd inside silk cocoon, to protect silkworm chrysalis to resist
Extraneous extremely cold and extreme thermal environment, while the oxygen exchange and steam and carbon dioxide of silkworm chrysalis and external environment will not be hindered again
Through performance.The relationship of the physics transfer performance such as silk cocoon internal structure and its hot physical property and permeability is constructed, key structure is disclosed
Parameter is to instruct the design of bionical textile to be very important project.Testing acquisition silk cocoon physics transfer performance by experiment is
The necessary means of research.
However, being difficult the physics transmitting to silk cocoon using conventional equipment since silk cocoon scale is small and in irregular shape
Performance measures.Chinese patent (205958131 U of CN) discloses a kind of heat-insulated system safety testing device of silk cocoon, and structure is that will lead
Line is inserted into silk cocoon forming circuit, forms node inside silk cocoon and outside high-temperature cabinet body, and when spin manifold temperature variation, two nodes are deposited
Electric current can be generated in the temperature difference, data acquisition unit is sent by current transformer, the variation of silk cocoon internal and external temperature is obtained, is expressed by the temperature difference
The heat-proof quality of silk cocoon.
Different from the thermal insulation of silk cocoon, moisture-inhibiting and gas permeability are more related with its case material.However, at present also
There is not the test device detected for case material penetrability and gas permeability.
Summary of the invention
Present invention aims to overcome that the shortcomings that prior art and insufficient, a kind of silk cocoon case material moisture-inhibiting and thoroughly is provided
The test device of gas performance can accurately test the physical property of this small dimensional material of silk cocoon shell, especially to silk cocoon
Case material moisture-inhibiting and permeability are accurately tested.
To achieve the above object, The technical solution adopted by the invention is as follows:
A kind of test device of the moisture-inhibiting of silk cocoon case material and permeability, including aspiration pump, temperature and humidity control cabinet and set
Pedestal is equipped in the intracorporal measurement cavity of temperature and humidity control case, temperature and humidity control cabinet, measurement cavity includes the upper measurement being connected
The lower end of cavity and lower measurement cavity, the lower measurement cavity is detachably connected by bolt and pedestal, under upper measurement cavity
It holds and is detachably connected with the upper end of lower measurement cavity, upper measurement cavity upper end is equipped with sealing cover；It is equipped in upper measurement cavity lower end
It is used to support the support portion of the protrusion of silk cocoon shell, upper measurement cavity is equipped with upper baroceptor and upper humidity sensor, on
It measures cavity upper end and is equipped with air inlet, aspiration pump is connected by air inlet pipe with air inlet, and air inlet pipe is equipped with flowmeter；Lower survey
It measures cavity and is equipped with lower baroceptor and lower humidity sensor.
From the foregoing, it will be observed that when in use, the present invention carries out test detailed process to the water vapour permeability of silk cocoon case material are as follows: 1,
The sample of diameter 2.5cm is cut in the middle part of from silk cocoon, is sealed at sample edge with adhesive tape, and test zone diameter is 2cm, adhesive tape and silkworm
Cocoon contact portion width is 0.2cm, and non-contact part width is 0.3cm；2, sample is placed in measurement cavity lower end on sample cavity
On integral support portion and the adhesive tape of silk cocoon non-contact part presses lower and upper measurement cavity inner wall surrounding to paste；3, upper measurement cavity
Lower end and the upper end of lower measurement cavity link together；4, start temperature and humidity control cabinet, and set the intracorporal phase of temperature and humidity control case
To temperature value (21 ± 0.3 DEG C) and rh value (60 ± 3%RH)；5, starting aspiration pump conveys gas to measurement cavity, wet
Degree sensor and baroceptor measure the relative humidity and air pressure of silk cocoon case material two sides respectively, so as to calculate silk cocoon
Case material steam delivery rate (WVTR):
Wherein, WVTR is steam delivery rate, g/ (h. ㎡)；Δ G is the Water Vapor Quality for being transmitted to the silk cocoon other side, unit
For g；Δ t is time, unit h；A is Area of Sample, unit ㎡；ρ is steam bulk density, unit kg/m3；H is upper
Measure cavity volume, unit m3；φ1And φ2Respectively t1And t2When engrave measurement cavity rh value；p1And p2Respectively
For t1And t2When engrave measurement cavity atmospheric pressure value；ps1And ps2Respectively t1And t2When engrave measurement the intracorporal saturated with moisture pressure of chamber；
And silk cocoon case material vapour lock (AR) can be calculated:
Wherein, AR is vapour lock, unit Kpa/m.s；A is Area of Sample, unit ㎡；P is the air pressure of upper measurement cavity
Value, atmospheric pressure value of the p ' for lower measurement cavity, unit Kpa,；Q is pumping flow rate pump, unit m3/s。
In conclusion the present invention carries out silk cocoon shell to be passed through air-flow in measurement cavity, silk cocoon shell material is then obtained
Expect the relative humidity and air pressure of two sides, so that silk cocoon case material steam delivery rate and vapour lock are obtained, it can be to silk cocoon shell
The physical property of this small dimensional material is accurately tested, and is especially accurately surveyed to the moisture-inhibiting of silk cocoon case material and permeability
Examination.
As an improvement of the present invention, the lower end outer rim of the lower measurement cavity is equipped with the wing plate of protrusion, the wing plate
It is detachably connected by bolt and pedestal.
As an improvement of the present invention, the upper measurement cavity is made of outer tube body and interior tube body, the lower end of outer tube body
It is detachably connected with the upper end of lower measurement cavity, and is equipped with the support for being used to support the protrusion of silk cocoon shell in outer tube body lower end
Portion, outer tube body upper end are equipped with internal screw thread, and the lower thread of interior tube body is connected in the upper end of outer tube body, and interior tube body upper end is equipped with close
Capping, upper baroceptor and upper humidity sensor are located on interior tube body, and interior tube body is equipped with air inlet, and aspiration pump passes through air inlet pipe
It is connected with air inlet, air inlet pipe is equipped with flowmeter.
As an improvement of the present invention, the outer tube body is made of transparent glass material, and interior tube body uses resinous wood
Material is made.
As an improvement of the present invention, the upper measurement cavity lower end surface is equipped with the support plate of hollow hole, and support plate exists
Hollow bore edges are equipped with upward boss, and boss is inserted into measurement cavity lower end and as support portion, the outer rim of support plate
It is connected with lower measurement cavity upper end.
As an improvement of the present invention, the outer rim of the support plate is connected concrete mode with lower measurement cavity upper end
Are as follows: step is equipped in lower measurement cavity upper end, stepped inner walls are equipped with slot, and the outer rim of support plate is inserted into slot and fixes.
As an improvement of the present invention, the pedestal and lower measurement cavity are made of resin material.
Compared with prior art, the invention has the following advantages that
The present invention carries out silk cocoon shell to be passed through air-flow in measurement cavity, then obtains the phase of silk cocoon case material two sides
To humidity and air pressure, so that silk cocoon case material steam delivery rate and vapour lock are obtained, it being capable of small scale this to silk cocoon shell
The physical property of material is accurately tested, and is especially accurately tested the moisture-inhibiting of silk cocoon case material and permeability.
Detailed description of the invention
Fig. 1 is the schematic diagram of the test device of silk cocoon case material moisture-inhibiting of the present invention and permeability.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that if relating to directionality instruction (such as up, down, left, right, before and after ...) in the embodiment of the present invention,
Then directionality instruction be only used for explain under a certain particular pose (as shown in the picture) between each component relative positional relationship,
Motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.
In addition, being somebody's turn to do " first ", " second " etc. if relating to the description of " first ", " second " etc. in the embodiment of the present invention
Description be used for description purposes only, be not understood to indicate or imply its relative importance or implicitly indicate indicated skill
The quantity of art feature." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one spy
Sign.It in addition, the technical solution between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy
It is enough realize based on, will be understood that the knot of this technical solution when conflicting or cannot achieve when occurs in the combination of technical solution
Conjunction is not present, also not the present invention claims protection scope within.
Embodiment
Referring to FIG. 1, a kind of test device of the moisture-inhibiting of silk cocoon case material and permeability, including aspiration pump 30, temperature control
Control wet tank body 10 and the measurement cavity being located in temperature and humidity control cabinet 10, temperature and humidity control cabinet 10 is interior to be equipped with pedestal 20, measures chamber
Body includes the upper measurement cavity 50 being connected and lower measurement cavity 40, and the lower end of the lower measurement cavity 40 passes through bolt 21 and base
Seat 20 is detachably connected, and the lower end of upper measurement cavity 50 and the upper end of lower measurement cavity 40 are detachably connected, upper measurement cavity 50
Upper end is equipped with sealing cover 80；
Support portion equipped with the protrusion for being used to support silk cocoon shell 70 in upper measurement 50 lower end of cavity, on upper measurement cavity 50
Equipped with upper baroceptor 52 and upper humidity sensor 51, upper 50 upper end of measurement cavity be equipped with air inlet, aspiration pump 30 by into
Tracheae is connected with air inlet, and air inlet pipe is equipped with flowmeter 31；
Lower measurement cavity 40 is equipped with lower baroceptor 42 and lower humidity sensor 41.
From the foregoing, it will be observed that when in use, the present invention carries out test detailed process to the water vapour permeability of silk cocoon case material are as follows: 1,
The sample of diameter 2.5cm is cut in the middle part of from silk cocoon, is sealed at sample edge with adhesive tape, and test zone diameter is 2cm, adhesive tape and silkworm
Cocoon contact portion width is 0.2cm, and non-contact part width is 0.3cm；2, sample is placed in measurement cavity lower end on sample cavity
On integral support portion and the adhesive tape of silk cocoon non-contact part presses lower and upper measurement cavity inner wall surrounding to paste；3, upper measurement cavity
Lower end and the upper end of lower measurement cavity link together；4, start temperature and humidity control cabinet, and set the intracorporal phase of temperature and humidity control case
To temperature value (21 ± 0.3 DEG C) and rh value (60 ± 3%RH)；5, starting aspiration pump conveys gas to measurement cavity, wet
Degree sensor and baroceptor measure the relative humidity and air pressure of silk cocoon case material two sides respectively, so as to calculate silk cocoon
Case material steam delivery rate (WVTR):
Wherein, WVTR is steam delivery rate, g/ (h. ㎡)；Δ G is the Water Vapor Quality for being transmitted to the silk cocoon other side, unit
For g；Δ t is time, unit h；A is Area of Sample, unit ㎡；ρ is steam bulk density, unit kg/m3；H is upper
Measure cavity volume, unit m3；φ1And φ2Respectively t1And t2When engrave measurement cavity rh value；p1And p2Respectively
For t1And t2When engrave measurement cavity atmospheric pressure value；ps1And ps2Respectively t1And t2When engrave measurement the intracorporal saturated with moisture pressure of chamber；
And silk cocoon case material vapour lock can be calculated:
Wherein, AR is vapour lock, unit Kpa/m.s；A is Area of Sample, unit ㎡；P is the air pressure of upper measurement cavity
Value, atmospheric pressure value of the p ' for upper measurement cavity, unit Kpa,；Q is pumping flow rate pump, unit m3/s。
In conclusion the present invention carries out silk cocoon shell to be passed through air-flow in measurement cavity, silk cocoon shell material is then obtained
Expect the relative humidity and air pressure of two sides, so that silk cocoon case material steam delivery rate and vapour lock are obtained, it can be to silk cocoon shell
The physical property of this small dimensional material is accurately tested, and is especially accurately surveyed to the moisture-inhibiting of silk cocoon case material and permeability
Examination.
In the present embodiment, it is further improved again on the basis of the above, specifically, the lower end of the lower measurement cavity 40
Outer rim is equipped with the wing plate 43 of protrusion, and the wing plate 43 is detachably connected by bolt 21 with pedestal 20.
In the present embodiment, the upper measurement cavity 50 is made of outer tube body 53 and interior tube body 54, the lower end of outer tube body 53
It is detachably connected with the upper end of lower measurement cavity 40, and is equipped with the protrusion for being used to support silk cocoon shell 70 in 53 lower end of outer tube body
Support portion, 53 upper end of outer tube body are equipped with internal screw thread, and the lower thread of interior tube body 54 is connected in the upper end of outer tube body 53, interior tube body
54 upper ends are equipped with sealing cover 80, and upper baroceptor 52 and upper humidity sensor 51 are located on interior tube body 54, and interior tube body 54 is equipped with
Air inlet, aspiration pump 30 are connected by air inlet pipe with air inlet, and air inlet pipe is equipped with flowmeter 31.Upper measurement cavity is set as
Outer tube body and the form of interior tube body combination can be from outer tube body upper ports to silkworm after silk cocoon case material is placed on support portion
Cocoon case material is adjusted, so that silk cocoon case material keeps smooth.On this basis, the present embodiment, which remakes, further changes
Into the outer tube body 53 is made of transparent glass material, and interior tube body 54 is made of resin material.Pass through transparent outer tube body
The state of silk cocoon case material can be observed in real time.
In the present embodiment, upper measurement 50 lower end surface of cavity is equipped with the support plate 60 of hollow hole, and support plate 60 is in
Emptying aperture edge is equipped with upward boss 61, and boss 61 is inserted into measurement 50 lower end of cavity and as support portion, support plate 60
Outer rim be connected with lower 40 upper end of measurement cavity.Support portion is set as and the separable fit system of upper measurement cavity, energy side
Just silk cocoon case material is bonded on support portion, specifically, is first separated upper measurement cavity with boss, then by silkworm cocoon
Body material is placed on boss, is then bonded silk cocoon case material and boss with adhesive tape, then upper measurement cavity is covered on boss
It is fixed, both convenient and efficient guarantees silk cocoon case material and boss good bonding, and adhesive tape one end be bonded in silk cocoon case material,
The other end is adhered by boss, then again covers upper measurement cavity on boss, and adhesive tape plays sealing function simultaneously, in raising
Measure the air-tightness between cavity and boss.Wherein support plate 60 is made of resin material.
On the basis of the above, the outer rim of the support plate 60 is connected concrete mode with lower 40 upper end of measurement cavity are as follows: under
It measures and is equipped with step 44 in 40 upper end of cavity, 44 inner wall of step is equipped with slot 45, and the outer rim of support plate 60 is inserted into slot 45
And it fixes.Using slot fit system, can to connect between in support plate and lower measurement cavity upper end more firm while close
Envelope property is more preferable.
In the present embodiment, the pedestal 20 and lower measurement cavity 40 are made of resin material.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, other any changes, modifications, substitutions, combinations, simplifications made without departing from the spirit and principles of the present invention,
It should be equivalent substitute mode, be included within the scope of the present invention.
Claims (7)
1. a kind of test device of the moisture-inhibiting of silk cocoon case material and permeability, it is characterised in that: including aspiration pump, temperature and humidity control
It cabinet and is located at the intracorporal measurement cavity of temperature and humidity control case, pedestal is equipped in temperature and humidity control cabinet, measurement cavity includes being connected
Upper measurement cavity and lower measurement cavity, it is described it is lower measurement cavity lower end be detachably connected by bolt and pedestal, upper measurement
The lower end of cavity and the upper end of lower measurement cavity are detachably connected, and upper measurement cavity upper end is equipped with sealing cover；Under upper measurement cavity
The support portion for being used to support the protrusion of silk cocoon shell is equipped in end, upper measurement cavity is equipped with upper baroceptor and upper humidity passes
Sensor, upper measurement cavity upper end are equipped with air inlet, and aspiration pump is connected by air inlet pipe with air inlet, and air inlet pipe is equipped with flow
Meter；Lower measurement cavity is equipped with lower baroceptor and lower humidity sensor.
2. the test device of the moisture-inhibiting of silk cocoon case material and permeability according to claim 1, it is characterised in that: described
The lower end outer rim of lower measurement cavity is equipped with the wing plate of protrusion, and the wing plate is detachably connected by bolt and pedestal.
3. the test device of the moisture-inhibiting of silk cocoon case material and permeability according to claim 1, it is characterised in that: described
Upper measurement cavity is made of outer tube body and interior tube body, and the lower end of outer tube body and the upper end of lower measurement cavity are detachably connected, and outer
It is equipped with the support portion for being used to support the protrusion of silk cocoon shell in bottom of the pipe, outer tube body upper end is equipped with internal screw thread, under interior tube body
End is threaded in the upper end of outer tube body, and interior tube body upper end is equipped with sealing cover, and upper baroceptor and upper humidity sensor are set
On interior tube body, interior tube body is equipped with air inlet, and aspiration pump is connected by air inlet pipe with air inlet, and air inlet pipe is equipped with flow
Meter.
4. the test device of the moisture-inhibiting of silk cocoon case material and permeability according to claim 3, it is characterised in that: described
Outer tube body is made of transparent glass material, and interior tube body is made of resin material.
5. the test device of the moisture-inhibiting of silk cocoon case material and permeability according to claim 1, it is characterised in that: described
Upper measurement cavity lower end surface is equipped with the support plate of hollow hole, and support plate is equipped with upward boss, boss inserting in hollow bore edges
In upper measurement cavity lower end and as support portion, the outer rim of support plate is connected with lower measurement cavity upper end.
6. the test device of the moisture-inhibiting of silk cocoon case material and permeability according to claim 5, it is characterised in that: described
The outer rim of support plate is connected concrete mode with lower measurement cavity upper end are as follows: equipped with step in lower measurement cavity upper end, in step
Wall is equipped with slot, and the outer rim of support plate is inserted into slot and fixes.
7. the test device of the moisture-inhibiting of silk cocoon case material and permeability according to claim 1, it is characterised in that: described
Pedestal and lower measurement cavity are made of resin material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910211135.5A CN110031609A (en) | 2019-03-20 | 2019-03-20 | A kind of test device of the moisture-inhibiting of silk cocoon case material and permeability |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910211135.5A CN110031609A (en) | 2019-03-20 | 2019-03-20 | A kind of test device of the moisture-inhibiting of silk cocoon case material and permeability |
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| CN110031609A true CN110031609A (en) | 2019-07-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910211135.5A Pending CN110031609A (en) | 2019-03-20 | 2019-03-20 | A kind of test device of the moisture-inhibiting of silk cocoon case material and permeability |
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| CN (1) | CN110031609A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110567856A (en) * | 2019-09-18 | 2019-12-13 | 陈涛 | Anion far infrared antibacterial bamboo charcoal fiber fabric detection machine |
| CN114088596A (en) * | 2021-05-13 | 2022-02-25 | 盐城工业职业技术学院 | Silkworm cocoon air permeability testing method |
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