Capillary hydroscopicity test device for sound-insulation and heat-insulation cotton felt

By designing water tanks, storage pools, and water pipes, and utilizing communicating vessels and siphon effects to control the liquid level, the problem of liquid level control in high-temperature environments was solved in the sound and heat insulation cotton felt capillary water absorption test device, thus achieving convenient liquid level management.

CN223910897UActive Publication Date: 2026-02-13SHANGHAI AIRCRAFT MFG
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Patent Information

Application Number
CN202520435080.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-13
Publication Date
2026-02-13
Estimated Expiration
2035-03-13

AI Technical Summary

Technical Problem

Existing sound and heat insulation cotton felt capillary water absorption test equipment requires an external power source to control the liquid level, making it unsuitable for use in high-temperature environmental chambers.

Method used

The design employs a water tank, a water storage pool, a first water pipe, and a second water pipe, utilizing the principle of communicating vessels and the siphon effect to maintain the liquid level and avoid the use of external energy.

Benefits of technology

It enables stable control of liquid level without external energy in high-temperature environments, and is easy to operate and highly applicable.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of sound-insulation and heat-insulation glass fiber cotton felt water absorption tests, and particularly discloses a capillary water absorption test device for a sound-insulation and heat-insulation cotton felt, which is characterized in that a water storage tank and a water tank are connected through a first water guide pipe to form a communicating vessel, and the liquid level of deionized water in the water storage tank is connected with the water tank through a second water guide pipe to form a closed loop; when a capillary water absorption test is carried out on a sound-insulation and heat-insulation cotton felt sample, after deionized water is evaporated and the liquid level drops due to high temperature, the pressure intensity of the liquid level changes to generate a siphon effect, and the deionized water in the water tank flows into the water storage tank through the first water guide pipe until the liquid level of the deionized water reaches air pressure balance again; the device controls and maintains the height of the liquid level in the water storage tank by means of a communicating vessel principle and a siphonic effect, does not need to use external energy, is more convenient to operate and use, and is high in universality.
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Description

TECHNICAL FIELD

[0001] The utility model relates to sound insulation and heat insulation glass fiber cotton felt water absorption test technical field especially, it relates to a capillary water absorption test device of sound insulation and heat insulation cotton felt. BACKGROUND

[0002] Sound insulation and heat insulation glass fiber cotton felt has light, sound insulation and heat insulation are good, non - burning, corrosion - resistant, good chemical stability etc. Excellent characteristics, it is widely used in all kinds of aircraft.

[0003] The capillary water absorption test needs to fix sound insulation and heat insulation cotton sample in deionized water container, and its whole is placed in high temperature environment box, in the test process, high temperature can make deionized water evaporate, thereby causing the liquid level in the container to reduce, and in order to keep the liquid level unchanged, liquid level control device needs to be further set, but usually this device needs external energy, complex structure, cannot be applied in high temperature environment box.

[0004] Therefore, the capillary water absorption test device of sound insulation and heat insulation cotton felt is needed to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model discloses a capillary water absorption test device of sound insulation and heat insulation cotton felt, to solve the problem that the capillary water absorption test device of sound insulation and heat insulation cotton felt cannot be applied in high temperature test box because of the need of external energy to control liquid level.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] The utility model provides a capillary water absorption test device of sound insulation and heat insulation cotton felt, which comprises:

[0008] Water tank, the water tank is set with cavity, aperture and water outlet, the cavity is used for storing deionized water, the aperture is connected with the air in the cavity, and the water outlet is connected with the deionized water;

[0009] Water storage pool, the water storage pool is set with containing cavity and water inlet, the containing cavity is used for storing the deionized water, and the water inlet is connected with the deionized water;

[0010] First water pipe, one end of the first water pipe is connected with the water outlet, and the other end of the first water pipe is connected with the water inlet;

[0011] Second water pipe, one end of the second water pipe is connected with the aperture, and the other end of the second water pipe is inserted into the deionized water in the containing cavity;

[0012] The sound insulation and heat insulation cotton felt sample is arranged in the accommodating cavity and partially soaked in the deionized water.

[0013] As an optimal technical scheme of the capillary water absorption test device of the sound insulation and heat insulation cotton felt, the capillary water absorption test device of the sound insulation and heat insulation cotton felt further comprises a guide assembly, the guide assembly comprises a plurality of guide rings and a support frame, the support frame is fixedly connected to the water storage pool, the plurality of guide rings are sequentially and spacedly arranged in the vertical direction, and the plurality of guide rings are all fixedly connected to the support frame, and the second water guide pipe sequentially penetrates through the plurality of guide rings and extends into the deionized water.

[0014] As an optimal technical scheme of the capillary water absorption test device of the sound insulation and heat insulation cotton felt, the support frame comprises a guide section and a support section, the guide section is connected to the support section, the plurality of guide rings are all fixedly connected to the support section, the guide section is provided with a guide groove, and the second water guide pipe sequentially penetrates through the guide groove and the plurality of guide rings and extends into the deionized water.

[0015] As an optimal technical scheme of the capillary water absorption test device of the sound insulation and heat insulation cotton felt, the capillary water absorption test device of the sound insulation and heat insulation cotton felt further comprises a bracket and a hanging net, the sound insulation and heat insulation cotton felt sample is arranged in the vertical direction, and the sound insulation and heat insulation cotton felt sample is fixedly connected to the hanging net, and the bracket is fixedly connected to the sound insulation and heat insulation cotton felt sample and the hanging net.

[0016] As an optimal technical scheme of the capillary water absorption test device of the sound insulation and heat insulation cotton felt, the capillary water absorption test device of the sound insulation and heat insulation cotton felt further comprises a base and a support assembly, the water storage pool is supported on the support assembly, and the support assembly is fixedly connected to the base.

[0017] As an optimal technical scheme of the capillary water absorption test device of the sound insulation and heat insulation cotton felt, the support assembly comprises a plurality of support rods and a plurality of fixing blocks, the plurality of fixing blocks are all fixedly connected to the base, the plurality of support rods and the plurality of fixing blocks are one-to-one correspondingly arranged, one end of the support rod is threadedly connected to the fixing block, and the other end of the support rod is fixedly connected to the bottom of the water storage pool.

[0018] As an optimal technical scheme of the capillary water absorption test device of the sound insulation and heat insulation cotton felt, the first water guide pipe is made of high-temperature-resistant material.

[0019] As an optimal technical scheme of the capillary water absorption test device of the sound insulation and heat insulation cotton felt, the second water guide pipe is made of high-temperature-resistant material.

[0020] As a kind of preferred technical scheme of the capillary water absorption test device of the sound insulation and heat insulation cotton felt described above, the capillary water absorption test device of the sound insulation and heat insulation cotton felt further comprises a fixed support and a plurality of storage racks, the plurality of storage racks are fixedly connected to the fixed support along the circumferential direction, and the storage racks are used to support and store the water tank.

[0021] As a kind of preferred technical scheme of the capillary water absorption test device of the sound insulation and heat insulation cotton felt described above, the inner wall of the accommodating cavity is provided with a size scale.

[0022] The capillary water absorption test device of the sound insulation and heat insulation cotton felt has the following beneficial effects:

[0023] The utility model provides a kind of capillary water absorption test device of sound insulation and heat insulation cotton felt, the capillary water absorption test device of the sound insulation and heat insulation cotton felt includes: water tank, water storage pool, first water pipe, second water pipe and sound insulation and heat insulation cotton sample, water tank is provided with cavity, aperture and water outlet, cavity is used to store deionized water, aperture is connected with air in cavity, water outlet is connected with deionized water, water storage pool is provided with accommodating cavity and water inlet, accommodating cavity is used to store deionized water, water inlet is connected with deionized water, one end of first water pipe is connected with water outlet, the other end of first water pipe is connected with water inlet, one end of second water pipe is connected with aperture, the other end of second water pipe is immersed in deionized water in accommodating cavity, sound insulation and heat insulation cotton sample is arranged in accommodating cavity, and part is soaked in deionized water.Such setting, water storage pool and water tank are connected to form intercommunicator by first water pipe, deionized water liquid level in water storage pool and water tank are connected to form closed loop by second water pipe, when capillary water absorption test is carried out to sound insulation and heat insulation cotton sample, when deionized water liquid level drops, liquid level pressure changes to generate siphon effect, deionized water in water tank flows to water storage pool by first water pipe, until deionized water liquid level reaches pressure balance again, the device is controlled to maintain liquid level height in water storage pool by intercommunicator principle and siphon effect, without external energy, it is more convenient to operate and use, and it is strong in universality. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 The capillary water absorption test device of the sound insulation and heat insulation cotton felt provided by the utility model is shown in the structure diagram.

[0025] Among them:

[0026] 1, water tank;

[0027] 2, water storage pool;21, accommodating cavity;

[0028] 3, first water pipe;4, second water pipe;5, sound insulation and heat insulation cotton sample;6, guide ring;

[0029] 7, support frame;71, guide section;711, guide slot hole;72, support section;

[0030] 8, support; 9, hanging net; 10, base; 11, support rod; 12, fixed block; 13, fixed support; 14, storage rack. DETAILED DESCRIPTION

[0031] The embodiments of the present application are described in detail below, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary and are intended to explain the present application, and cannot be understood as a limitation of the present application.

[0032] In the description of the present application, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance. Among them, the terms "first position" and "second position" are two different positions.

[0033] Unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" should be understood broadly, for example, it can be fixed connection, or it can be detachable connection; it can be mechanical connection, or it can be electrical connection; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0034] Unless otherwise explicitly specified and limited, "on" or "under" of the first feature to the second feature can include that the first feature and the second feature are in direct contact, or the first feature and the second feature are not in direct contact but are in contact through another feature between them. Moreover, "on", "above" and "above" of the first feature to the second feature include that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The "below", "below" and "below" of the first feature to the second feature include that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0035] The technical solutions of the present application are further illustrated below by specific embodiments in conjunction with the drawings.

[0036] As Figure 1As shown, the embodiment provides a capillary water absorption test device for sound insulation and heat insulation cotton felt, which comprises a water tank 1, a water storage pool 2, a first water guide pipe 3, a second water guide pipe 4 and a sound insulation and heat insulation cotton felt sample 5. The water tank 1 is provided with a cavity, an opening and a water outlet. The cavity is used for storing deionized water. The opening is connected with air in the cavity. The water outlet is connected with deionized water. The water storage pool 2 is provided with a containing cavity 21 and a water inlet. The containing cavity 21 is used for storing deionized water. The water inlet is connected with deionized water. One end of the first water guide pipe 3 is connected with the water outlet. The other end of the first water guide pipe 3 is connected with the water inlet. One end of the second water guide pipe 4 is connected with the opening. The other end of the second water guide pipe 4 extends into deionized water in the containing cavity 21. The sound insulation and heat insulation cotton felt sample 5 is arranged in the containing cavity 21 and partially soaked in deionized water. In this way, the water storage pool 2 and the water tank 1 are connected through the first water guide pipe 3 to form a communicating vessel. The deionized water in the water storage pool 2 and the water tank 1 are connected through the second water guide pipe 4 to form a closed loop. When the sound insulation and heat insulation cotton felt sample 5 is subjected to capillary water absorption test, the liquid level pressure changes to generate siphon effect when the deionized water level drops. The deionized water in the water tank 1 flows to the water storage pool 2 through the first water guide pipe 3 until the deionized water level reaches air pressure balance again. The device controls and maintains the liquid level height in the water storage pool 2 by means of the communicating vessel principle and siphon effect without external energy source, which is more convenient to operate and use and has strong universality.

[0037] Optionally, the capillary water absorption test device for sound insulation and heat insulation cotton felt further comprises a guide assembly, which comprises a plurality of guide rings 6 and a support frame 7. The support frame 7 is fixedly connected to the water storage pool 2. The plurality of guide rings 6 are arranged at equal intervals in the vertical direction and are fixedly connected to the support frame 7. The second water guide pipe 4 is sequentially provided through the plurality of guide rings 6 and extends into the deionized water. In this way, the guide positioning of the second water guide pipe 4 can be effectively realized, so that the second water guide pipe 4 is perpendicular to the liquid level of the deionized water. The opening below the second water guide pipe 4 can be adjusted to be connected to the liquid level of the deionized water through the guide ring 6, so as to better adapt to different liquid levels.

[0038] Further, in order to improve the guiding and supporting effect of the second water guide pipe 4, the support frame 7 comprises a guide section 71 and a support section 72. The guide section 71 is connected to the support section 72. The plurality of guide rings 6 are fixedly connected to the support section 72. The guide section 71 is provided with a guide slot hole 711. The second water guide pipe 4 is sequentially provided through the guide slot hole 711 and the plurality of guide rings 6 and extends into the deionized water.

[0039] Optionally, in order to enhance the stability of the sound insulation and heat insulation cotton felt sample 5 placed in the deionized water, the capillary water absorption test device of the sound insulation and heat insulation cotton felt further comprises a bracket 8 and a hanging net 9, the sound insulation and heat insulation cotton felt sample 5 is arranged in the vertical direction, and the sound insulation and heat insulation cotton felt sample 5 is fixedly connected to the hanging net 9, and the bracket 8 is fixedly connected to the sound insulation and heat insulation cotton felt sample 5 and the hanging net 9.

[0040] Optionally, in order to effectively improve the support stability of the water storage tank 2, the capillary water absorption test device of the sound insulation and heat insulation cotton felt further comprises a base 10 and a support assembly, the water storage tank 2 is supported on the support assembly, and the support assembly is fixedly connected to the base 10.

[0041] Optionally, the support assembly comprises a plurality of support rods 11 and a plurality of fixed blocks 12, the plurality of fixed blocks 12 are fixedly connected to the base 10, the plurality of support rods 11 and the plurality of fixed blocks 12 are correspondingly arranged, one end of the support rod 11 is threadedly connected to the fixed block 12, and the other end of the support rod 11 is fixedly connected to the bottom of the water storage tank 2. In this way, the height of the water storage tank 2 can be adaptively adjusted through the threaded connection structure of the support rod 11 and the fixed block 12, and the operation convenience is further improved.

[0042] Optionally, in order to better adapt to the temperature environment conditions in the high-temperature environment box, the first water guide pipe 3 and the second water guide pipe 4 are made of high-temperature resistant materials. It should be noted that the device can be used in a high-temperature environment box, and can also be used in other closed spaces, and has a wide range of applications.

[0043] Optionally, the capillary water absorption test device of the sound insulation and heat insulation cotton felt further comprises a fixed support 13 and a plurality of storage racks 14, the plurality of storage racks 14 are fixedly connected to the fixed support 13 in the circumferential direction, and the storage rack 14 is used for supporting and storing the water tank 1. In this way, the plurality of water tanks 1 can be fixedly supported by the plurality of storage racks 14 to hold the deionized water, so as to play a role in supplementing the deionized water evaporated and lost in the water storage tank 2.

[0044] In this embodiment, the number of storage racks 14 is three. Of course, in other embodiments, the number of storage racks 14 can also be set according to actual needs, which is not limited here.

[0045] Optionally, in order to facilitate the measurement of the height of the deionized water liquid level in the containing cavity 21, the inner wall of the containing cavity 21 is provided with a size scale. It should be noted that the size scale is set to be in inches on the left side and in centimeters on the right side.

[0046] Obviously, the above embodiments of the present application are merely examples for clearly illustrating the present application, and are not intended to limit the implementation modes of the present application. For those skilled in the art, other different forms of changes or variations can be made on the basis of the above description. Here, it is not necessary and also impossible to exhaust all the implementation modes. Any modification, equivalent replacement and improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application claims.

Claims

1. A capillary water absorption test device for a sound and heat insulating cotton felt, characterized by, It includes: Water tank (1), the water tank (1) is provided with cavity, opening and water outlet, the cavity is used to store deionized water, the opening is communicated with air in the cavity, the water outlet is communicated with the deionized water; Water storage pool (2), the water storage pool (2) is provided with containing cavity (21) and water inlet, the containing cavity (21) is used to store the deionized water, the water inlet is communicated with the deionized water; First water guide pipe (3), one end of the first water guide pipe (3) is communicated with the water outlet, the other end of the first water guide pipe (3) is communicated with the water inlet; Second water guide pipe (4), one end of the second water guide pipe (4) is communicated with the opening, the other end of the second water guide pipe (4) is inserted into the deionized water in the containing cavity (21); Sound insulation and heat insulation cotton felt sample (5), the sound insulation and heat insulation cotton felt sample (5) is arranged in the containing cavity (21), and part is soaked in the deionized water.

2. The capillary water absorption test device for the sound and heat insulating cotton blanket according to claim 1, wherein The capillary water absorption test device of the sound insulation and heat insulation cotton felt further includes a guide assembly, the guide assembly includes a plurality of guide rings (6) and a support frame (7), the support frame (7) is fixedly connected to the water storage pool (2), a plurality of guide rings (6) are sequentially and spacedly arranged in the vertical direction, and a plurality of guide rings (6) are fixedly connected to the support frame (7), and the second water guide pipe (4) is sequentially provided with a plurality of guide rings (6) and is inserted into the deionized water.

3. The capillary water absorption test device for the sound and heat insulating cotton blanket according to claim 2, wherein The support frame (7) includes a guide section (71) and a support section (72), the guide section (71) is connected to the support section (72), a plurality of guide rings (6) are fixedly connected to the support section (72), the guide section (71) is provided with a guide slot hole (711), and the second water guide pipe (4) is sequentially provided with the guide slot hole (711) and a plurality of guide rings (6) and is inserted into the deionized water.

4. The capillary water absorption test device for the sound and heat insulating cotton blanket according to claim 1, wherein The capillary water absorption test device of the sound insulation and heat insulation cotton felt further includes a support frame (8) and a hanging net (9), the sound insulation and heat insulation cotton felt sample (5) is arranged in the vertical direction, and the sound insulation and heat insulation cotton felt sample (5) is fixedly connected to the hanging net (9), and the support frame (8) is fixedly connected to the sound insulation and heat insulation cotton felt sample (5) and the hanging net (9).

5. The capillary water absorption test device for the sound and heat insulating cotton blanket according to claim 1, wherein The capillary water absorption test device of the sound insulation and heat insulation cotton felt further includes a base (10) and a support assembly, and the water storage pool (2) is supported on the support assembly, and the support assembly is fixedly connected to the base (10).

6. The capillary water absorption test device for the sound and heat insulating cotton blanket according to claim 5, wherein The support assembly includes a plurality of support rods (11) and a plurality of fixed blocks (12), a plurality of fixed blocks (12) are fixedly connected to the base (10), a plurality of support rods (11) and a plurality of fixed blocks (12) are provided one by one, one end of the support rod (11) is threadedly connected to the fixed block (12), and the other end of the support rod (11) is fixedly connected to the bottom of the water storage pool (2).

7. The capillary water absorption test device for the acoustic and thermal insulation cotton felt according to any one of claims 1 to 6, characterized in that, The first water guide pipe (3) is made of high-temperature resistant material.

8. The capillary water absorption test device for the acoustic and thermal insulation cotton felt according to any one of claims 1 to 6, characterized in that, The second water guide pipe (4) is made of high-temperature resistant material.

9. The capillary water absorption test device for the acoustic and thermal insulation cotton felt according to any one of claims 1 to 6, characterized in that, The capillary water absorption testing device of the sound insulation and heat insulation cotton felt further comprises a fixed support (13) and a plurality of storage racks (14), the plurality of storage racks (14) are fixedly connected to the fixed support (13) in the circumferential direction, and the storage racks (14) are used for supporting and storing the water tanks (1).

10. The capillary water absorption test device for the acoustic and thermal insulation cotton felt according to any one of claims 1 to 6, characterized in that, The inner wall of the accommodating cavity (21) is provided with a size scale.