Waterproof detection equipment and method for down jacket fabric after film covering
By using testing equipment that simulates the outer layer fabric of down jackets under various real-world usage conditions, the problem of inaccurate testing by existing equipment has been solved, achieving a more precise evaluation of waterproofness.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2026-02-06
- Publication Date
- 2026-04-03
AI Technical Summary
Existing testing equipment for the waterproof properties of down jacket outer fabrics cannot provide accurate test results when considering actual usage factors such as friction and low temperatures, resulting in test results that cannot reflect the performance of the fabric under real-world usage conditions.
A waterproof testing device for down jacket fabrics after coating was designed. It simulates real-world usage conditions through various methods such as spraying, hydrostatic pressure treatment, cooling treatment, and friction treatment. Combined with the weighing results of an electronic scale, it provides a testing method that is closer to actual usage conditions.
It enables accurate testing of the outer layer fabric of down jackets under various practical use conditions. The test results better reflect the true performance of the fabric, and the equipment is highly automated, providing intuitive and accurate test results.
Smart Images
Figure CN121783814A_ABST
Abstract
Description
Technical Field
[0001] This invention belongs to the field of fabric testing technology, specifically relating to a waterproof testing device and method for down jacket fabrics after coating. Background Technology
[0002] Down jacket fabric consists of two parts: the inner layer and the outer layer. Because the performance requirements for these two layers differ, their processing methods also differ. The performance requirements for the outer layer of a down jacket include abrasion resistance, windproofing, and water resistance. Currently, the water resistance of the outer layer of down jacket fabric is improved through lamination. After lamination, to ensure the quality of the finished product, the waterproof performance of the laminated outer layer of the down jacket also needs to be tested.
[0003] Most existing fabric waterproofing testing equipment is designed based on spray testing and hydrostatic pressure testing methods. Its structure mainly consists of a fabric tensioning mechanism and a water application mechanism, where the water application mechanism can spray the fabric or apply hydrostatic pressure. When using such equipment to test the waterproofing of fabrics, only the effect of water pressure on the fabric's waterproofing effect is considered. However, in actual use scenarios, when the outer layer of down jacket fabric is exposed to rain, it is also affected by friction and low temperatures. Fabric wear or excessively low ambient temperatures can lead to a decrease in the waterproofing of the coated fabric. Therefore, compared to the actual usage conditions of the outer layer of down jacket fabric, the testing conditions provided by existing devices are too idealized, and the test results cannot reflect the fabric's performance in real-world usage scenarios. To address this, this invention proposes a waterproofing testing device and method for coated down jacket fabrics. Summary of the Invention
[0004] The purpose of this invention is to provide a waterproof testing device and method for down jacket fabrics after coating in order to solve the above-mentioned problems.
[0005] The present invention achieves the above objectives through the following technical solutions: This invention provides a waterproof testing device for down jacket fabric after coating, including a frame and a turntable mounted on the frame. Two symmetrically distributed carriers are attached to the outside of the turntable via a mounting bracket. The carriers are equipped with a testing platform for holding the fabric. The waterproof testing device also includes a gauge and an electronic scale for weighing the total weight of the testing platform and the fabric being tested. The testing platform works with the gauge to provide testing conditions for the fabric, and the testing conditions include one or more of spray treatment, hydrostatic pressure treatment, cooling treatment, and friction treatment. The frame is equipped with a control component for controlling the rotation and translation of the gauge. The inspection tool includes an inspection plate and a partition for dividing the inner cavity of the inspection plate into a water cavity and an air cavity. The water cavity and the air cavity are respectively connected to a water inlet pipe and an air inlet pipe. The partition is provided with several drain pipes that penetrate the air cavity and connect to the water cavity. Several exhaust ports are opened at the bottom of the inspection plate, and the exhaust ports and drain pipes are evenly distributed.
[0006] As a further optimization of the present invention, the inspection fixture also includes a shield fixed on the frame.
[0007] As a further optimization of the present invention, the testing platform is tilted and includes a diatomaceous earth plate, a heating plate and a support platform arranged from top to bottom. A retainer is fitted on the diatomaceous earth plate to position the fabric on the diatomaceous earth plate.
[0008] As a further optimization of the present invention, the control component includes a cylinder and a control rod. The control rod includes a screw connected to the piston rod of the cylinder, a sleeve sleeved on the outside of the screw, and a spring disposed in the sleeve. The sleeve is fixed to the detection disc.
[0009] As a further optimization of the present invention, the mounting frame includes a bracket fixed on the turntable, and the bracket is provided with a rotary snap-fit component. The snap-fit component has a slot in the carrier that cooperates with the snap-fit component.
[0010] As a further optimization of the present invention, a water tank is provided below the inspection fixture, and a water inlet pipe is connected to the water tank through a water pump. A water guide plate is provided above the water tank, and an exhaust component is provided on the water guide plate. An air guide pipe for connecting an external air cooler is provided on the frame, and both the air inlet pipe and the exhaust component are connected to the air guide pipe.
[0011] This invention also provides a method for testing the waterproofness of down jacket fabric after coating, the specific steps of which are as follows: S1. Cut a sample from the fabric to be inspected and fix the sample on the testing table; S2. The turntable rotates, causing the entire assembly consisting of the testing platform, carrier, and mounting frame to rotate directly above the electronic scale. Then, the mounting frame is controlled to separate from the carrier. The electronic scale weighs the total weight of the carrier, testing platform, and untreated sample, and records the electronic scale reading as M1. Then, the mounting frame is controlled to be fixed back to the carrier. S3. The turntable rotates again, moving the inspection platform directly below the inspection plate, and controlling the inspection tool to perform spray treatment, hydrostatic pressure treatment, cooling treatment and friction treatment on the fabric. S4. After the fabric is processed, the turntable rotates again and S2 is repeated. The corresponding electronic scale reading is recorded as M2. The difference between M2 and M1 can reflect the total amount of water absorbed and permeated by the fabric.
[0012] As a further optimization of the present invention, in S3, spray treatment and hydrostatic pressure treatment are selected as one of them, and cooling treatment and friction treatment are non-essential testing conditions. Based on spray treatment or hydrostatic pressure treatment, they can be omitted, selected as one, or used in combination according to testing requirements.
[0013] The beneficial effects of this invention are as follows: This invention features a testing fixture consisting of a testing disc, a partition, a drain pipe, and an exhaust port. The coordinated use of the drain pipe and exhaust port within the fixture achieves the effect of dispersing water and airflow. Furthermore, the distance between the fixture and the fabric to be tested is adjustable, thus providing the necessary testing conditions, including spraying and hydrostatic pressure treatment, for the fabric. In addition, the airflow can cool the fabric before or during testing. Driven by the control components, the fixture can also rotate in close contact with the fabric to perform friction treatment. Through the combined use of multiple treatment methods, testing conditions closer to real-world usage conditions can be provided for the outer layer fabric of down jackets. The obtained test results can more accurately reflect the fabric's performance under real-world usage conditions. The equipment also boasts a high degree of automation, quantifying the degree of water seepage and permeability of the fabric into weighing data on an electronic scale. The testing method is convenient and efficient, and the test results are intuitive and accurate. Attached Figure Description
[0014] Figure 1 This is a schematic diagram of the detection preparation state of the present invention; Figure 2 This is a schematic diagram of the non-detection state of the present invention; Figure 3 This is a schematic diagram showing the assembly of the mounting bracket, carrier, and electronic scale. Figure 4 This is a cross-sectional view of the internal structure of the detection disc; Figure 5 This is a cross-sectional diagram of the spray treatment process; Figure 6 This is a cross-sectional diagram showing the hydrostatic pressure treatment process; Figure 7 This is a schematic diagram showing the disassembly of the control lever structure.
[0015] In the diagram: 1. Turntable; 2. Snap-fit component; 3. Carrier; 4. Support platform; 5. Heating plate; 6. Diatomaceous earth plate; 7. Sleeve; 8. Shield; 9. Detection plate; 10. Partition; 11. Drain pipe; 12. Exhaust port; 13. Water inlet pipe; 14. Air inlet pipe; 15. Control rod; 1501. Screw; 1502. Sleeve; 16. Water tank; 17. Exhaust fan; 18. Electronic scale; 19. Air guide pipe; 20. Sample. Detailed Implementation
[0016] The present application will now be described in further detail. It should be noted that the following specific embodiments are only used to further illustrate the present application and should not be construed as limiting the scope of protection of the present application. Those skilled in the art can make some non-essential improvements and adjustments to the present application based on the above application content.
[0017] Example 1 like Figure 1-7As shown, the waterproof testing equipment for down jacket fabric after coating in this embodiment includes a frame and a turntable 1 mounted on the frame. The turntable 1 is driven by a servo motor. Two symmetrically distributed carriers 3 are attached to the outside of the turntable 1 by a mounting bracket. The carriers 3 are provided with a testing platform for holding the fabric. The waterproof testing equipment also includes a gauge and an electronic scale 18 for weighing the total weight of the testing platform and the fabric being tested. The testing platform works with the gauge to provide testing conditions for the fabric. The testing conditions include one or more of spray treatment, hydrostatic pressure treatment, cooling treatment and friction treatment. The frame is provided with a control component for controlling the rotation and translation of the gauge. The inspection tool includes an inspection plate 9 and a partition 10 for dividing the inner cavity of the inspection plate 9 into a water cavity and an air cavity. The water cavity and the air cavity are respectively connected to a water inlet pipe 13 and an air inlet pipe 14. The partition 10 is provided with a number of drain pipes 11 that penetrate the air cavity and connect to the water cavity. The bottom of the inspection plate 9 is provided with a number of exhaust ports 12, and the exhaust ports 12 and the drain pipes 11 are evenly distributed. The control component can drive the detection disk 9 to move, thereby adjusting the distance between the detection disk 9 and the sample 20; The test plate 9 is suspended above the sample 20 and supplies water into the water inlet pipe 13. The water flows through the drain pipe 11 and sprays onto the sample 20 to perform a spraying treatment. The test plate 9 is attached to the sample 20, and water is supplied by the water inlet pipe 13 to perform hydrostatic pressure treatment on the sample 20. Cold air is supplied into the air inlet pipe 14, and the cold air blows onto the sample 20 to cool the sample 20. The control component can also drive the detection disk 9 to rotate, so that the detection disk 9 can be attached to the sample 20 and rotated to perform friction treatment on the sample 20.
[0018] The specific procedures for testing the waterproof testing equipment used for coated down jacket fabrics are as follows: S1. Cut a sample 20 of appropriate size from the fabric to be inspected, remove the sleeve 7, cover the sample 20 on the testing table and then install the sleeve 7 to complete the installation of the sample 20. S2. Rotate turntable 1 to rotate the entire assembly consisting of the testing platform, carrier 3, and mounting frame to directly above the electronic scale 18. Then, control the mounting frame to separate from the carrier 3. The electronic scale 18 weighs the total weight of the carrier 3, the testing platform, and the untreated sample 20. Record the reading of the electronic scale 18 as M1. Then, control the mounting frame to re-fix the carrier 3. S3. Turntable 1 rotates again, moving the inspection platform directly below inspection plate 9, and controlling the inspection tool to perform spray treatment, hydrostatic pressure treatment, cooling treatment and friction treatment on the fabric. Spraying treatment and hydrostatic pressure treatment are necessary testing conditions, and one can be selected. Cooling treatment and friction treatment are not necessary testing conditions. Based on spraying treatment or hydrostatic pressure treatment, they can be omitted, selected, or used in combination according to testing requirements. S4. After the fabric is processed, turntable 1 rotates again and repeats S2. The corresponding reading of electronic scale 18 is recorded as M2. The difference between M2 and M1 can reflect the total amount of water absorbed and permeated by the fabric. By combining the above processing methods, diverse testing conditions can be provided for sample 20. When different testing conditions are required to continuously test the same sample 20, S2 needs to be repeated between two tests, and the fabric should be dried after each weighing.
[0019] Preferably, the inspection fixture also includes a shield 8 fixed on the frame. When the inspection table rotates to the inspection position, the shield 8 fits with the ferrule 7. During the inspection, the inspection plate 9 is always located inside the shield 8. The shield 8 can limit the coverage of the water flow and avoid water getting around the inspection table, which would affect the weighing data and lead to inspection errors.
[0020] Preferably, the testing platform is tilted and includes a diatomaceous earth plate 6, a heating plate 5, and a support platform 4 arranged from top to bottom. A retainer 7 is fitted on the diatomaceous earth plate 6 to position the fabric on the diatomaceous earth plate 6. Water that penetrates the sample 20 will be immediately absorbed by the diatomaceous earth plate 6 and converted into a change in the weight of the diatomaceous earth plate 6, without being lost. This can improve the representativeness of the weighing data for the water permeability of the sample 20. The heating plate 5 can dry the diatomaceous earth plate 6 and the sample 20 during multiple tests on the fabric.
[0021] Preferably, the control assembly includes a cylinder and a control rod 15. The control rod 15 includes a screw 1501 connected to the piston rod of the cylinder, a sleeve 1502 sleeved on the outside of the screw 1501, and a spring disposed in the sleeve 1502. The sleeve 1502 is fixed to the detection disc 9. The bottom surface of the detection disc 9 is rough. The piston rod of the cylinder extends to make the detection disc 9 fit against the sample 20. Then the piston rod of the cylinder continues to extend, and the screw 1501 is pressed into the sleeve 1502. During this process, the spring is compressed, and the whole formed by the sleeve 1502 and the detection disc 9 is driven to rotate, thereby performing friction treatment on the sample 20. After the treatment is completed, the piston rod of the cylinder retracts, the spring pushes out the screw 1501, and the whole formed by the sleeve 1502 and the detection disc 9 will rotate in the opposite direction, and the control rod 15 can gradually return to its original length.
[0022] Preferably, the mounting frame includes a bracket fixed on the turntable 1, and the bracket is provided with a rotating snap-fit 2. The carrier 3 has a slot that cooperates with the snap-fit 2. When the snap-fit 2 is rotated out of the carrier 3, the carrier 3, the testing table and the sample 20 can be placed separately on the electronic scale 18 for weighing. After weighing, the snap-fit 2 rotates back to the state of engaging with the carrier 3, so that the turntable 1, the mounting frame and the carrier 3 can be connected into a whole for synchronous rotation.
[0023] Preferably, a water tank 16 is provided below the inspection fixture, and a water inlet pipe 13 is connected to the water tank 16 via a water pump. A water guide plate is provided above the water tank 16, and an exhaust component 17 is provided on the water guide plate. An air guide pipe 19 for connecting an external air cooler is provided on the frame, and both the air inlet pipe 14 and the exhaust component 17 are connected to the air guide pipe 19. The outer end of the testing platform is tilted downwards. The water flowing from the surface of the sample 20 can be collected in the water tank 16 through the water guide plate and recycled through the cooperation of the water pump and the water inlet pipe 13. The airflow output by the exhaust component 17 can clean the water adhering to the testing platform to reduce the weighing error.
[0024] The embodiments described above are merely examples of several implementations of the present invention, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the present invention. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of the present invention, and these modifications and improvements all fall within the scope of protection of the present invention.
Claims
1. A waterproof testing device for down jacket fabric after coating, comprising a frame and a turntable (1) mounted on the frame, characterized in that, Two symmetrically distributed carriers (3) are attached to the outside of the turntable (1) by a mounting bracket. The carriers (3) are equipped with a testing platform for holding the fabric. The waterproof testing equipment also includes a gauge and an electronic scale (18) for weighing the total weight of the testing platform and the fabric to be tested. The testing platform works with the gauge to provide testing conditions for the fabric. The testing conditions include one or more of spray treatment, hydrostatic pressure treatment, cooling treatment and friction treatment. The frame is equipped with a control component for controlling the rotation and translation of the gauge. The inspection tool includes a detection plate (9) and a partition (10) for dividing the inner cavity of the detection plate (9) into a water cavity and an air cavity. The water cavity and the air cavity are respectively connected to a water inlet pipe (13) and an air inlet pipe (14). The partition (10) is provided with a number of drain pipes (11) that penetrate the air cavity and connect to the water cavity. The bottom of the detection plate (9) is provided with a number of exhaust ports (12). The exhaust ports (12) and the drain pipes (11) are evenly distributed.
2. The waterproof testing equipment for down jacket fabric after coating according to claim 1, characterized in that, The inspection tool also includes a shield (8) fixed to the frame.
3. The waterproof testing equipment for down jacket fabric after coating according to claim 2, characterized in that, The testing platform is tilted and includes a diatomaceous earth plate (6), a heating plate (5), and a support platform (4) arranged from top to bottom. A clip (7) is fitted on the diatomaceous earth plate (6) and is used to position the fabric on the diatomaceous earth plate (6).
4. The waterproof testing equipment for down jacket fabric after coating according to claim 1, characterized in that, The control assembly includes a cylinder and a control rod (15). The control rod (15) includes a screw (1501) connected to the piston rod of the cylinder, a sleeve (1502) sleeved on the outside of the screw (1501), and a spring provided in the sleeve (1502). The sleeve (1502) is fixed to the detection plate (9).
5. The waterproof testing equipment for down jacket fabric after coating according to claim 1, characterized in that, The mounting frame includes a bracket fixed on a turntable (1), and the bracket is provided with a rotating snap-fit component (2). The carrier (3) has a slot that cooperates with the snap-fit component (2).
6. The waterproof testing equipment for down jacket fabric after coating according to claim 1, characterized in that, The inspection fixture is provided with a water tank (16) below it. The water inlet pipe (13) is connected to the water tank (16) through a water pump. A water guide plate is provided above the water tank (16) and an exhaust fan (17) is provided on the water guide plate. An air guide pipe (19) for connecting an external air cooler is provided on the frame. The air inlet pipe (14) and the exhaust fan (17) are both connected to the air guide pipe (19).
7. A method for testing the water resistance of down jacket fabric after coating, characterized in that, Based on the waterproof testing equipment according to any one of claims 1-6, the specific steps are as follows: S1. Cut the sample (20) from the fabric to be inspected and fix the sample (20) on the testing table; S2. The turntable rotates, causing the entire assembly consisting of the testing platform, carrier (3) and mounting frame to rotate directly above the electronic scale (18). Then, the mounting frame is separated from the carrier (3), and the electronic scale (18) weighs the total weight of the carrier (3), the testing platform and the untreated sample (20). The reading of the electronic scale (18) is recorded as M1. Then, the mounting frame is re-fixed to the carrier (3). S3. The turntable rotates again, moving the inspection platform directly below the inspection plate (9), and controlling the inspection tool to perform spray treatment, hydrostatic pressure treatment, cooling treatment and friction treatment on the fabric. S4. After the fabric is processed, the turntable rotates again and repeats S2. The corresponding electronic scale (18) reading is recorded as M2. The difference between M2 and M1 can reflect the total amount of water absorbed and permeated by the fabric.
8. The method for testing the waterproofness of down jacket fabric after coating according to claim 7, characterized in that, In S3, spray treatment and hydrostatic pressure treatment can be selected as one of them. Cooling treatment and friction treatment are not necessary testing conditions. Based on spray treatment or hydrostatic pressure treatment, they can be omitted, selected as one, or used in combination according to the testing requirements.