CN110779847A - Method for testing windproof performance of down garment - Google Patents
Method for testing windproof performance of down garment Download PDFInfo
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- CN110779847A CN110779847A CN201911099248.7A CN201911099248A CN110779847A CN 110779847 A CN110779847 A CN 110779847A CN 201911099248 A CN201911099248 A CN 201911099248A CN 110779847 A CN110779847 A CN 110779847A
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000012360 testing method Methods 0.000 title claims abstract description 16
- 238000001514 detection method Methods 0.000 claims abstract description 70
- 238000007664 blowing Methods 0.000 claims abstract description 12
- 238000011161 development Methods 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000003672 processing method Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000002457 bidirectional effect Effects 0.000 claims 2
- 238000012827 research and development Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 6
- 210000003746 feather Anatomy 0.000 description 5
- 238000005457 optimization Methods 0.000 description 5
- 229920000742 Cotton Polymers 0.000 description 4
- 239000004744 fabric Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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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
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Abstract
The invention relates to a method for testing the windproof performance of a down garment, which comprises the following steps: step one, wearing down garments to be tested on a dummy main body, and blowing air from the front side of the dummy main body at a fixed air speed; measuring the wind power of each point through a wind power detection node on the dummy body; fixing wind speed blowing from the side surface of the dummy main body; measuring the wind power of each point through a wind power detection node on the dummy body; fifthly, fixing wind speed blowing from the back of the dummy main body; measuring the wind power of each point through a wind power detection node on the dummy body; according to the invention, the windproof performance of the down jacket can be quantified through the detection of the sensor, a datamation detection result is obtained, the windproof performance of the down jacket can be better embodied, the subsequent improvement and research and development of the down jacket are facilitated, and the method is worthy of great popularization.
Description
Technical Field
The invention belongs to the technical field of down jacket production, and particularly relates to a method for testing the windproof performance of a down jacket.
Background
The down jacket is made of materials mainly including down and coated fabrics, ① down, a mixture of small feather pieces and down pieces (also called down) which are selected and washed to separate the small feather pieces and the down pieces to be used as wadding of the down jacket, the down is gray, white and white, the quality of the down jacket is related to down filling amount and down containing amount, the down filling amount refers to the weight of down filled in one down jacket, and is generally about 250 g, the down filling amount is small, the heat retention is poor, the down containing amount refers to the down piece content in the down, and is generally 50-80% in percentage, the down containing amount is high, the quality is good, the down pieces can not easily dissipate heat of a human body, the hand feeling is soft, but the down pieces cannot easily bulge in time after being pressed and wetted, the small feather pieces can help the clothes to bulge to keep more air in the silk, the down pieces are more in the down, the small feather pieces are more in heat retention, the small feather pieces are easy to flow, the gaps of the down pieces are easily blown, the cotton cloth is pressed, the cotton is pressed, and the cotton is pressed, and the cotton is pressed, the.
The most important index of the down garment is wind resistance, the wind resistance directly influences the heat retention of the down garment, the detection of the wind resistance of the down garment in the prior art still stays in a manual detection stage, quantitative detection data does not exist, and subsequent perfection and development cannot be guided.
Disclosure of Invention
The invention aims to solve the problems and provide a method for testing the windproof performance of the down jacket.
The invention realizes the purpose through the following technical scheme:
a method for testing the windproof performance of down garments comprises the following steps:
step one, wearing down garments to be tested on a dummy main body, and blowing air from the front side of the dummy main body at a fixed air speed;
measuring the wind power of each point through a wind power detection node on the dummy body;
fixing wind speed blowing from the side surface of the dummy main body;
measuring the wind power of each point through a wind power detection node on the dummy body;
fifthly, fixing wind speed blowing from the back of the dummy main body;
and step six, measuring the wind power of each point through a wind power detection node on the dummy body.
As a further optimization scheme of the invention, the dummy main body is formed by sealing a metal net, a plurality of wind power detection nodes are uniformly distributed on the surface of the dummy main body, and the wind power detection nodes are connected with a detection host.
As a further optimized scheme of the invention, the upper end and the lower end of the dummy main body are provided with openings, and the openings can enable airflow penetrating through down coats to be rapidly discharged.
As a further optimization scheme of the invention, the wind power detection node is connected with the detection host through a CAN bus.
As a further optimization scheme of the invention, the wind power detection node comprises a wind power sensor, an A/D converter, a CAN transceiver and a CAN controller, wherein the signal output end of the wind power sensor is connected with the signal input end of the A/D converter, the A/D converter is bidirectionally connected with the CAN controller, the CAN controller is bidirectionally connected with the CAN transceiver, and the CAN transceiver is connected with a CAN bus. A plurality of wind power detection nodes are connected through a CAN bus to form a CAN network, and a detection host is also connected to the CAN network.
As a further optimization scheme of the invention, the detection host is an industrial computer connected with a display, and the industrial computer is connected with a CAN bus through a PCI-CAN conversion module.
As a further optimization scheme of the present invention, the data of each detection node is collected in the second step, the fourth step or the fifth step and then processed, and the processing method is as follows: positioning the wind power detection node at the point position of the wind power detection node corresponding to the plane of the expanded dummy main body surface, wherein the coordinates of the wind power node An are (Xn, Yn), and n is more than or equal to 1;
drawing a grid coordinate graph according to the coordinates of the detection nodes, and then drawing a dot according to the coordinates corresponding to the detection nodes, wherein the diameter of the dot is equal to the wind force value detected by the detection nodes;
according to the drawn grid coordinate graph, the wind-proof performance of each part of the down garment can be visually seen, the poor wind-proof performance can be further improved, and the subsequent development and improvement are facilitated.
The invention has the beneficial effects that:
1) according to the invention, the windproof performance of the down jacket can be quantified through the detection of the sensor, a datamation detection result is obtained, the windproof performance of the down jacket can be better reflected, and the subsequent improvement and research and development of the down jacket are facilitated;
2) the invention adopts CAN network distribution detection nodes to ensure the stability of data transmission of numerous nodes;
3) the method can detect the windproof performance of all parts of the down garment, and provides a direction for subsequent improvement and research and development.
Drawings
FIG. 1 is a schematic structural diagram of a dummy body according to the present invention in accordance with one embodiment;
FIG. 2 is a schematic diagram of the main body of the dummy according to the first embodiment of the present invention;
FIG. 3 is a schematic diagram of a CAN network according to one embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a wind detection node according to the first embodiment of the present invention;
fig. 5 is a schematic structural diagram of a grid coordinate graph according to the first embodiment of the present invention.
In the figure: the artificial body comprises a main body 1, down garments 2 and a wind power detection node 3.
Detailed Description
The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.
Example one
As shown in fig. 1-5, a method for testing the windproof performance of a down garment comprises the following steps:
firstly, wearing a down garment 2 to be tested on a dummy body 1, and blowing air from the front side of the dummy body 1 at a fixed air speed;
measuring the wind power of each point through a wind power detection node 3 on the dummy body 1;
fixing wind speed blowing from the side surface of the dummy main body 1;
measuring the wind power of each point through a wind power detection node 3 on the dummy body 1;
fifthly, fixing wind blowing at a fixed wind speed from the back of the dummy body 1;
and step six, measuring the wind power of each point through the wind power detection node 3 on the dummy body 1.
And changing the wind power in the first step, the third step and the fifth step, and then testing at different wind speeds according to the sequence from the first step to the sixth step.
The testing method is characterized in that the dummy body 1 with the wind power detection nodes 3 distributed on the surface is used as a measuring device for measurement, the dummy body 1 is formed by sealing a metal net, the wind power detection nodes 3 are uniformly distributed on the surface of the dummy body 1, and the wind power detection nodes 3 are connected with a detection host.
The upper and lower ends of the dummy body 1 are provided with openings which enable the air flow passing through the down garment 2 to be discharged quickly.
Preferably, the wind power detection node 3 is connected with the detection host through a CAN bus;
the wind power detection node 3 comprises a wind power sensor, an A/D converter, a CAN transceiver and a CAN controller, wherein the signal output end of the wind power sensor is connected with the signal input end of the A/D converter, the A/D converter is bidirectionally connected with the CAN controller, the CAN controller is bidirectionally connected with the CAN transceiver, and the CAN transceiver is connected with a CAN bus. A plurality of wind power detection nodes 3 are connected through a CAN bus to form a CAN network, and a detection host is also connected to the CAN network.
The detection host is an industrial computer connected with the display, and the industrial computer is connected with the CAN bus through the PCI-CAN conversion module.
After data of each detection node is collected in the second step, the fourth step or the fifth step, the data are uploaded to a detection host;
the positions of the wind power detection nodes 3 are defined by the point positions of the wind power detection nodes 3 corresponding to the plane where the surface of the dummy body 1 is unfolded, for example, the wind power detection nodes 3A1 are defined as A1(X1, Y1) when the coordinates of the corresponding point positions are X1 and Y1, and other wind power detection nodes 3 are defined in sequence, wherein An (Xn, Yn) is more than or equal to 1;
collecting data of each detection node in the second step, the fourth step or the fifth step for processing, wherein the processing method comprises the following steps: drawing a grid coordinate graph according to the coordinates of the detection nodes, and then drawing a dot according to the coordinates corresponding to the detection nodes, wherein the diameter of the dot is equal to the wind force value detected by the detection nodes;
according to the drawn grid coordinate diagram, the wind-proof performance of all parts of the down garment 2 can be visually seen, the poor wind-proof performance can be further improved, and the subsequent development and improvement are facilitated.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (7)
1. A method for testing the windproof performance of down garments is characterized by comprising the following steps: the method comprises the following steps:
step one, wearing down garments to be tested on a dummy main body, and blowing air from the front side of the dummy main body at a fixed air speed;
measuring the wind power of each point through a wind power detection node on the dummy body;
fixing wind speed blowing from the side surface of the dummy main body;
measuring the wind power of each point through a wind power detection node on the dummy body;
fifthly, fixing wind speed blowing from the back of the dummy main body;
and step six, measuring the wind power of each point through a wind power detection node on the dummy body.
2. The method for testing the windproof performance of the down garment according to claim 1, characterized in that: the dummy body is formed by sealing a metal net, a plurality of wind power detection nodes are uniformly distributed on the surface of the dummy body, and the wind power detection nodes are connected with a detection host.
3. The method for testing the windproof performance of the down garment according to claim 1, characterized in that: openings are formed in the upper end and the lower end of the dummy body, and air flow penetrating through the down garment can be rapidly discharged through the openings.
4. The method for testing the windproof performance of the down garment according to claim 2, is characterized in that: the wind power detection node is connected with the detection host through a CAN bus.
5. The method for testing the windproof performance of the down garment according to claim 2, is characterized in that: the wind power detection node comprises a wind power sensor, an A/D converter, a CAN transceiver and a CAN controller, wherein the signal output end of the wind power sensor is connected with the signal input end of the A/D converter, the A/D converter is in bidirectional connection with the CAN controller, the CAN controller is in bidirectional connection with the CAN transceiver, and the CAN transceiver is connected with a CAN bus.
6. The method for testing the windproof performance of the down garment according to claim 2, is characterized in that: the detection host is an industrial computer connected with the display, and the industrial computer is connected with the CAN bus through the PCI-CAN conversion module.
7. The method for testing the windproof performance of the down garment according to claim 1, characterized in that: and the data of each detection node is collected in the second step, the fourth step or the fifth step and then processed, and the processing method comprises the following steps: positioning the wind power detection node at the point position of the wind power detection node corresponding to the plane of the expanded dummy main body surface, wherein the coordinates of the wind power node An are (Xn, Yn), and n is more than or equal to 1;
drawing a grid coordinate graph according to the coordinates of the detection nodes, and then drawing a dot according to the coordinates corresponding to the detection nodes, wherein the diameter of the dot is equal to the wind force value detected by the detection nodes;
according to the drawn grid coordinate graph, the wind-proof performance of each part of the down garment can be visually seen, the poor wind-proof performance can be further improved, and the subsequent development and improvement are facilitated.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911099248.7A CN110779847A (en) | 2019-11-12 | 2019-11-12 | Method for testing windproof performance of down garment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911099248.7A CN110779847A (en) | 2019-11-12 | 2019-11-12 | Method for testing windproof performance of down garment |
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| CN110779847A true CN110779847A (en) | 2020-02-11 |
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Cited By (2)
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| CN113702425A (en) * | 2021-08-31 | 2021-11-26 | 安徽高梵电子商务有限公司 | Test equipment and method for warm keeping property of down garment |
| CN117191671A (en) * | 2023-11-03 | 2023-12-08 | 波司登羽绒服装有限公司 | Clothing windproof performance testing tool and testing method |
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Application publication date: 20200211 |