Thermal insulation performance testing equipment for chemical fiber quilt

Abstract

The utility model discloses thermal insulation performance testing equipment for a chemical fiber quilt, which relates to the technical field of thermal insulation testing and comprises a testing box body, a cold plate, a testing drawer, a central plate and a sealing partition plate, and the testing drawer is horizontally mounted on the inner side of the testing box body in a sliding manner; the center plate is vertically and slidably installed on the inner side of the testing drawer, temperature sensors are installed on the sides, close to each other, of the cold plate and the center plate, and an adjusting assembly driving the center plate to be attached to the inner wall of the testing drawer to vertically slide is arranged between the testing drawer and the center plate. The test box body is divided into the upper closed space and the lower closed space through the sealing partition plate, after the test is finished, the sealing partition plate is horizontally pushed into the test box body, then the test drawer is opened outwards, the chemical fiber quilt in the test drawer is taken out, the chemical fiber quilt to be tested is placed in, and the test drawer is closed. The sealing partition plate always seals and isolates the area where the cold plate is located, cold air generated by the cold plate is effectively prevented from continuously overflowing, and therefore energy consumption is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of thermal test, especially to a thermal performance testing equipment for chemical fiber quilt. BACKGROUND

[0002] The test method of thermal performance is divided into three kinds, wherein the first kind is flat plate method, the second kind is evaporative hot plate method, and the third kind is thermal manikin method; the flat plate method and the evaporative hot plate method are suitable for fabrics and semi-finished products; in addition, the general thickness cannot exceed 30mm during the test of the evaporative hot plate method, which is not suitable for thick fabrics, so the flat plate method is mostly used in the prior art for testing; the flat plate method is a steady-state heat shield method, and the usual test method is to place the tested object on the center plate, then set a cold plate above the tested object, measure the temperature of the upper and lower surfaces of the tested object through a corresponding temperature sensor, and calculate the result.

[0003] For example, the patent with the publication number CN221038797U provides a down thermal degree testing device, which includes a center plate and a cold plate; the down material to be tested is placed between the center plate and the cold plate; temperature sensors are arranged on the cold plate and the center plate, which can detect the temperature of the upper and lower surfaces of the down fabric, and the thermal performance can be obtained according to the temperature difference.

[0004] Based on the above search and combined with the prior art, it is found that in the prior art similar to the above-mentioned thermal degree testing device, the cold air at the cold plate continuously overflows during the replacement of the tested object, which increases the energy consumption; and there is no fixing structure around the object on the center plate, which causes a gap between the object and the center plate, and the cold air enters from the gap, resulting in inaccurate test results. Therefore, a thermal performance testing equipment for chemical fiber quilt is proposed to solve the above-mentioned problems. UTILITY MODEL CONTENTS

[0005] The purpose of the present application is to provide a thermal performance testing equipment for chemical fiber quilt to solve the problems raised in the background art.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a thermal performance testing equipment for chemical fiber quilt, which comprises a test box body, a cold plate installed at the top end of the test box body, an operation button and a display screen installed at the top end of the test box body, and further comprises:

[0007] A test drawer is horizontally slidably installed on the inner side of the test box body, and one side of the test box body is provided with an opening one through which the test drawer horizontally slides;

[0008] A center plate is vertically slidably installed on the inner side of the test drawer, temperature sensors are installed on the sides of the cold plate and the center plate close to each other, and an adjusting assembly is arranged between the test drawer and the center plate to drive the center plate to vertically slide and fit the inner wall of the test drawer;

[0009] The sealing partition plate is horizontally slidably installed on the inner side of the test box body and can divide the test box body into two closed spaces, one side of the test box body is provided with an opening two through which the sealing partition plate horizontally slides, and the opening one and the opening two are located on the same side of the test box body.

[0010] As a further supplement to the present scheme, the adjusting assembly comprises a threaded rod, a threaded sleeve and a limiting structure;

[0011] The threaded rod is vertically rotatably installed at the bottom end of the test drawer, the threaded sleeve is vertically fixed at the bottom end of the center plate, the threaded rod extends to the inner side of the test drawer, and the threaded sleeve is screwed to the inner side of the threaded sleeve;

[0012] The limiting structure is arranged between the center plate and the test drawer.

[0013] As a further supplement to the present scheme, the limiting structure comprises a limiting sliding sleeve and a limiting sliding rod, the limiting sliding sleeve is vertically fixed at the inner bottom end of the test drawer, and the limiting sliding rod is vertically fixed at the bottom end of the center plate and is slidably sleeved on the inner side of the limiting sliding sleeve.

[0014] As a further supplement to the present scheme, a limiting block is fixed at the lower end of the side of the sealing partition plate away from the opening two.

[0015] As a further supplement to the present scheme, a recess is arranged at the upper end of the side of the test drawer close to the opening one, a limiting wedge is vertically installed in the recess through a compression spring, and a limiting groove matched with the limiting wedge is arranged at the inner top end of the opening one.

[0016] A limiting wedge is fixed at the lower end of the side of the sealing partition plate away from the limiting block;

[0017] In the state of opening the sealing partition plate, the limiting wedge is inserted into the limiting groove under the action of the compression spring, so that the test drawer is relatively fixed with the test box body.

[0018] When the sealing partition plate is closed, the limiting wedge is extruded out of the limiting groove by the limiting wedge, at this time, the test drawer can be pulled out outward.

[0019] As a further supplement to the present scheme, a pressing frame is fixed at the top end of the test drawer.

[0020] In summary, the technical effects and advantages of the present application are:

[0021] 1. In the utility model, through setting sealing baffle on the upside of test drawer, sealing baffle can divide test box body into two closed spaces, after test, first push sealing baffle horizontally into test box body, then open test drawer outward, take out chemical fiber quilt in test drawer, put chemical fiber quilt to be tested, close test drawer, in the above process, sealing baffle always seals and isolates the area where cold plate is, effectively prevent the cold gas produced by cold plate from continuously overflowing, thereby reduce energy consumption.

[0022] 2. In the utility model, through the cooperation of the adjusting assembly and the pressing frame, the height of the center plate can be adjusted according to the thickness of the chemical fiber quilt of different thicknesses. During use, the chemical fiber quilt is placed on the center plate, and the threaded rod is twisted to lift the center plate upward until the chemical fiber quilt is pressed by the pressing frame on the side, thereby eliminating the gap between the chemical fiber quilt and the center plate, and reducing the error caused by the cold air entering from the gap.

[0023] 3. In the utility model, through the cooperation of the compression spring, the limiting wedge, the limiting slot and the releasing wedge, when the sealing baffle is opened, the limiting wedge is inserted into the limiting slot under the action of the compression spring, so that the test drawer is relatively fixed with the test box body; when the sealing baffle is closed, the releasing wedge extrudes the limiting wedge from the limiting slot, at this time, the test drawer can be pulled out outward, which can prevent the cold gas produced by the cold plate from continuously overflowing when the sealing baffle is not closed and the test drawer is opened outward after the test is completed. DRAWINGS

[0024] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description. Obviously, the drawings in the following description only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0025] Figure 1 It is the overall three-dimensional structure schematic diagram of the test equipment in the embodiment;

[0026] Figure 2 It is the three-dimensional structure schematic diagram of the test drawer in the embodiment;

[0027] Figure 3 It is the cross-sectional structure schematic diagram in the test state of the embodiment;

[0028] Figure 4 It is the cross-sectional structure schematic diagram in the state of replacing the measured object in the embodiment.

[0029] In the figure: 1, test box; 2, cold plate; 3, test drawer; 4, sealing partition; 5, center plate; 6, operation button; 7, display screen; 8, temperature sensor; 9, limiting block; 10, limit wedge; 11, limiting wedge; 12, compression spring; 13, threaded rod; 14, threaded sleeve; 15, limiting sliding sleeve; 16, limiting sliding rod; 17, pressing frame. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0031] Embodiment: refer to Figures 1-4 The warm-keeping performance testing equipment for chemical fiber quilt shown in the figure comprises a test box 1, a cold plate 2 installed at the top end of the test box 1, and an operation button 6 and a display screen 7 installed at the top end of the test box 1.

[0032] In addition, the testing equipment further comprises a test drawer 3, a center plate 5, and a sealing partition 4. Specifically, the test drawer 3 is horizontally slidingly installed at the inner side of the test box 1, and one side of the test box 1 is provided with an opening one through which the test drawer 3 horizontally slides, the center plate 5 is vertically slidingly installed at the inner side of the test drawer 3, and the cold plate 2 and the center plate 5 are both provided with a temperature sensor 8 at the side close to each other, and the temperature sensor 8, the operation button 6, and the display screen 7 are all electrically connected with a main control device. The temperature on the upper and lower sides of the chemical fiber quilt is detected by the cold plate 2, and the warm-keeping performance of the chemical fiber quilt can be obtained according to the temperature difference. The relationship between the warm-keeping performance and the temperature difference and the specific determination of the warm-keeping performance belong to the prior art, and there are also corresponding national standards. Therefore, the present application will not be described here. An adjusting assembly is arranged between the test drawer 3 and the center plate 5 to drive the center plate 5 to vertically slide and fit the inner wall of the test drawer 3.

[0033] Regarding the adjusting assembly, specifically, the adjusting assembly comprises a threaded rod 13, a threaded sleeve 14, and a limiting structure. The threaded rod 13 is vertically rotatably installed at the bottom end of the test drawer 3, the threaded sleeve 14 is vertically fixed at the bottom end of the center plate 5, the threaded rod 13 extends to the inner side of the test drawer 3 and is threadedly connected to the inner side of the threaded sleeve 14, and the limiting structure comprises a limiting sliding sleeve 15 and a limiting sliding rod 16. The limiting sliding sleeve 15 is vertically fixed at the inner bottom end of the test drawer 3, and the limiting sliding rod 16 is vertically fixed at the bottom end of the center plate 5 and slidingly connected to the inner side of the limiting sliding sleeve 15. This facilitates the adjustment of the height of the center plate 5 according to the thickness of the chemical fiber quilt of different thicknesses. The top end of the test drawer 3 is fixed with a pressing frame 17.

[0034] Based on the cooperation of the above structure, when using, the chemical fiber quilt is placed on the center plate 5, the threaded rod 13 is twisted, the center plate 5 can be lifted upwards to the quilt frame 17 of the chemical fiber quilt, the gap between the chemical fiber quilt and the center plate 5 is eliminated, and the error caused by the cold air entering from the gap is reduced.

[0035] The sealing partition plate 4 is located on the upper side of the test drawer 3, is horizontally slidably arranged on the inner side of the test box 1, and can separate the test box 1 into two sealed spaces; one side of the test box 1 is provided with an opening two through which the sealing partition plate 4 horizontally slides, and the opening one and the opening two are located on the same side of the test box 1. Figure 3 As shown, during testing, the sealing partition plate 4 is kept in an outward opening state; after testing, as shown, Figure 4 As shown, the sealing partition plate 4 is first horizontally pushed into the test box 1, then the test drawer 3 is outwardly opened, the chemical fiber quilt in the test drawer 3 is taken out, the chemical fiber quilt to be tested is placed, and the test drawer 3 is closed; during the above process, the sealing partition plate 4 always seals and isolates the area where the cold plate 2 is located, so that the cold air generated by the cold plate 2 is prevented from continuously overflowing, thereby reducing energy consumption; then the sealing partition plate 4 is opened, and the next test can be performed.

[0036] The sealing partition plate 4 is fixed with a limiting block 9 at the lower end of the side away from the opening two, so that the sealing partition plate 4 can be effectively prevented from being separated from the test box 1.

[0037] In order to prevent the cold air generated by the cold plate 2 from continuously overflowing when the sealing partition plate 4 is not closed and the test drawer 3 is outwardly opened after testing, a recess is arranged on the upper end of the side of the test drawer 3 close to the opening one, a limiting wedge 11 is vertically arranged in the recess through a compression spring 12, a limiting groove matched with the limiting wedge 11 is arranged on the inner top end of the opening one, and a releasing wedge 10 is fixed on the lower end of the side of the sealing partition plate 4 away from the limiting block 9, so that:

[0038] In the state that the sealing partition plate 4 is opened, the limiting wedge 11 is inserted into the limiting groove under the action of the compression spring 12, so that the test drawer 3 is relatively fixed with the test box 1.

[0039] When the sealing partition plate 4 is closed, the releasing wedge 10 extrudes the limiting wedge 11 from the limiting groove, and at this time, the test drawer 3 can be pulled out outwardly.

[0040] It should be further explained that the test box 1, the test drawer 3, the sealing partition plate 4 and the center plate 5 are all heat-insulating materials, which can effectively reduce the test error and test energy consumption.

[0041] The working principle of the utility model is as follows: when using, the chemical fiber quilt is placed on the center plate 5, the threaded rod 13 is twisted, the center plate 5 can be lifted upwards to the quilt frame 17 of the chemical fiber quilt, the test drawer 3 is closed, and the chemical fiber quilt to be tested is placed in the test drawer 3. Figure 3It is shown that the sealing partition 4 is kept in the outward opening state, and the temperature of the chemical fiber quilt is detected by the cold plate 2 respectively, and the temperature difference can be obtained to obtain the warm-keeping performance of the chemical fiber quilt.

[0042] After the test is completed, as Figure 4 It is shown that the sealing partition 4 is horizontally pushed into the test box 1, then the test drawer 3 is outwardly opened, the chemical fiber quilt in the test drawer 3 is taken out, the chemical fiber quilt to be tested is put in, the test drawer 3 is closed, and the sealing partition 4 is kept to seal and isolate the area where the cold plate 2 is located, so that the cold air generated by the cold plate 2 is effectively prevented from continuously overflowing, and then the sealing partition 4 is opened, so that the next test can be performed.

[0043] Finally, it should be noted that the above is only the preferred embodiment of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacements to some technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A kind of synthetic fiber quilt's warm-keeping performance testing equipment, including test box (1), cold plate (2) being installed in the top end of the test box (1) and operating button (6) and display screen (7) being installed in the top end of the test box (1), it is characterized by, Also include: Test drawer (3), the test drawer (3) is horizontally slidingly installed on the inner side of the test box (1), and one side of the test box (1) is provided with an opening one for the test drawer (3) to horizontally slide through; Center plate (5), the center plate (5) is vertically slidingly installed on the inner side of the test drawer (3), and the cold plate (2) and the center plate (5) are installed with temperature sensors (8) on the side close to each other, and the test drawer (3) and the center plate (5) are provided with an adjusting assembly for driving the center plate (5) to vertically slide and fit the inner wall of the test drawer (3); Sealing partition (4), the sealing partition (4) is located on the upper side of the test drawer (3), and the sealing partition (4) is horizontally slidingly installed on the inner side of the test box (1) and can separate the test box (1) into two closed spaces, one side of the test box (1) is provided with an opening two for the sealing partition (4) to horizontally slide through, and the opening one and the opening two are located on the same side of the test box (1).

2. The device for testing the warmth retention performance of a chemical fiber quilt according to claim 1, characterized in that: The adjusting assembly comprises a threaded rod (13), a threaded sleeve (14) and a limiting structure; The threaded rod (13) is vertically rotatably installed at the bottom end of the test drawer (3), the threaded sleeve (14) is vertically fixed at the bottom end of the center plate (5), the threaded rod (13) extends to the inner side of the test drawer (3) and is threadedly sleeved on the inner side of the threaded sleeve (14); The limiting structure is arranged between the center plate (5) and the test drawer (3).

3. The device for testing the warmth-keeping performance of a chemical fiber quilt according to claim 2, characterized in that: The limiting structure comprises a limiting sliding sleeve (15) and a limiting sliding rod (16), the limiting sliding sleeve (15) is vertically fixed at the inner bottom end of the test drawer (3), and the limiting sliding rod (16) is vertically fixed at the bottom end of the center plate (5) and slidingly sleeved on the inner side of the limiting sliding sleeve (15).

4. The device for testing the warmth retention performance of a chemical fiber quilt according to claim 1, characterized in that: The sealing partition (4) is fixed with a limiting block (9) at the lower end of the side away from the opening two.

5. The device for testing the warmth-keeping performance of a chemical fiber quilt according to claim 4, characterized in that: The test drawer (3) is provided with a groove at the upper end of the side close to the opening one, a limiting wedge (11) is vertically installed in the groove through a compression spring (12), and the inner top end of the opening one is provided with a limiting groove matched with the limiting wedge (11); The sealing partition (4) is fixed with a limiting wedge (10) at the lower end of the side away from the limiting block (9); In the state that the sealing partition (4) is opened, the limiting wedge (11) is inserted into the limiting groove under the action of the compression spring (12), so that the test drawer (3) is relatively fixed with the test box (1); When the sealing partition (4) is closed, the limiting wedge (10) extrudes the limiting wedge (11) from the limiting groove, and at this time the test drawer (3) can be pulled out outward.

6. The device for testing the warmth-keeping performance of a chemical fiber quilt according to claim 5, characterized in that: The top end of the test drawer (3) is fixed with a pressing frame (17).

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