CN113533427A - Bra heat preservation tester - Google Patents
Bra heat preservation tester Download PDFInfo
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- CN113533427A CN113533427A CN202110988102.9A CN202110988102A CN113533427A CN 113533427 A CN113533427 A CN 113533427A CN 202110988102 A CN202110988102 A CN 202110988102A CN 113533427 A CN113533427 A CN 113533427A
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- 238000004321 preservation Methods 0.000 title claims abstract description 21
- 238000012360 testing method Methods 0.000 claims abstract description 35
- 238000010438 heat treatment Methods 0.000 claims abstract description 17
- 238000009413 insulation Methods 0.000 claims abstract description 6
- 239000004744 fabric Substances 0.000 abstract description 4
- 230000001932 seasonal effect Effects 0.000 abstract description 2
- 210000000038 chest Anatomy 0.000 description 39
- 238000010792 warming Methods 0.000 description 12
- 238000005259 measurement Methods 0.000 description 11
- 238000011160 research Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000009423 ventilation Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 230000035900 sweating Effects 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000037237 body shape Effects 0.000 description 1
- 210000000481 breast Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 210000002615 epidermis Anatomy 0.000 description 1
- 230000036544 posture Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 230000008054 signal transmission Effects 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
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/20—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity
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- Professional, Industrial, Or Sporting Protective Garments (AREA)
Abstract
The invention discloses a bra heat preservation tester, which comprises a test box and a warm body chest platform, wherein the warm body chest platform is fixedly connected in the test box, a chest model is arranged on the warm body chest platform, a plurality of heating groups are arranged on the chest model, a corsage is worn on the warm body chest platform and covers the chest model, a first vent, a second vent and a humidifying port are formed in the test box, and one side of the test box is fixedly connected with a control box; the bra can be worn on the bra table to test the heat preservation performance, the wearing state of the bra cup is closer to that of a product than a fabric test, the heat conduction quantity of the bra cup is measured by using the warm bra table model, the thermal resistance is calculated, the test result is closer to the heat insulation state when a human body wears, and the data is more accurate; thereby determining the seasonal environment for which the brassiere is suitable.
Description
Technical Field
The invention relates to the field of bra production research and development testing devices, in particular to a bra heat preservation tester.
Background
At present, more than 100 experimental body-warming dummy are made in the research of the body-warming dummy at home and abroad. The development process of the warm-body dummy mainly goes through three stages. The first stage is the concept of clo, namely the thermal resistance of the clothing, proposed by the American scholars Gagge and research teams thereof in 1941, and the American military need climate research institute developed the first generation of warm-body dummies, which are single-stage warm-body dummies, and are used for testing the thermal resistance of the static clothing. Early thermal manikins generally served the military and only later gradually expanded to other areas, but currently thermal manikins remain important tools for testing military requirements. The second section is a sectional type warming dummy which is born in the 60 th of the 20 th century, and compared with a single-section warming dummy, the sectional type warming dummy has the advantages that each section can be independently controlled and independently heated, some simple postures of a human body are simulated, the temperature state of the body surface of the human body is more truly simulated, and the static and dynamic thermal resistance of clothes can be measured. The third generation of warm-body dummies was a sweating warm-body dummies, made in the 70 s of the 20 th century by Goldman in combination with professor mechells, etc. Compared with the first two generations of body warming dummy, the third generation of body warming dummy can simulate the temperature of the human epidermis more truly, and the measurement of the thermal resistance of the clothes is more accurate.
Theoretical research and model making of warm-body dummies in China began late, and since the 70 s of the 20 th century, China began to attach importance to the development of warm-body dummies, and the general logistics military equipment research institute was the earliest unit for researching warm-body dummies at that time. In the 70 s of the 20 th century, the institute of military equipment in the general service part successfully developed a constant-temperature body-warming dummy, and in the 80 s developed a variable-temperature body-warming dummy, which was widely applied to the development of various special clothes; the sweating thermal manikin began to be studied in the 90 s and a sweating thermal manikin test system was successfully developed in 2000. The first global warming dummy 'Walter' made of special fabrics was invented by the fourth professor of Van jin Tu of the university of hong Kong Finishen in 2002, and is used for measuring the thermal resistance of clothes.
The heat insulating performance of the existing warm body dummy measurement clothes cannot accurately represent the heat insulating performance of the female bra. Although the thermal insulation performance of the garment can be measured by the thermal manikin, the thermal insulation performance of the local garment corresponding to each zone can be measured and calculated due to the fact that the thermal manikin is heated in a zone mode, but most of measurement objects of the thermal manikin are conventional garments with large coverage areas for human bodies, and for special garments only covering the local human bodies, the measurement objects are as follows: the measurement result of the bra is different from the actual wearing feeling. After a human body wears the bra, the bra only has a remarkable influence on the heat dissipation capacity of a small area covered by the bra but not on the whole body, and the traditional method for solving the heat retaining property of the clothes is to calculate the area weighting of the thermal resistance of each area of the human body, so that the method is significant for conventional clothes with large human covering materials, but is not suitable for bra products. For example: if a full cup brassiere has a thermal resistance of 1 clo of cup material, if the thermal resistance of the brassiere is calculated in an area-weighted manner, assuming that the brassiere coverage area occupies 3.2% of the human body surface area, the thermal resistance of the brassiere is 0.032 clo, and when the thermal resistance of the cup material is 2.2 clo, the thermal resistance of the brassiere is 0.0704 clo. If the thermal resistance of the two shirts or pants is 0.032 and 0.0704, respectively, and the difference between the two is 0.0384, the wearer cannot feel the wearer at all because the thermal resistance of the boundary layer air between the body and the garment surface can be as high as about 0.8. The heat sensation at the chest of the wearer of these two brassieres is very different. Therefore, the heat insulation performance of the bra cannot be reasonably represented by calculating the thermal resistance of the clothes by using the traditional human body whole body area weighting mode. Solving for the heat dissipation through only the bra coverage area is important to evaluate the heat and moisture comfort performance of the bra product.
Because brassiere products are also typically constructed from multiple layers, multiple materials, and cannot be accurately characterized by the properties of the fabric.
Brassiere-like products have different types of cups, such as: full cup, 1/2 cup, 3/4 cup, 5/8 cup, etc., the current body warming dummy cannot accurately measure the heat passing through various cups. While the thermal manikin product may be used to measure feminine garments through a removable breast cover, it merely simulates the body shape of a woman, and its heating zones are not adjustable to the type of brassiere cup, and likewise do not measure the amount of heat passing through the brassiere relatively accurately. The invention is provided aiming at the defects of the measuring equipment and is specially used for heat preservation performance testing equipment of bra products.
Disclosure of Invention
The invention aims to provide a bra heat preservation tester.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a brassiere heat preservation nature tester, includes test box and warm body chest platform, warm body chest platform fixed connection is in the test box, warm body chest bench is provided with the chest model, be provided with a plurality of heating groups on the chest model, the corsage dress is at warm body chest bench and cover the chest model, first vent, second vent, humidification mouth have been seted up on the test box, test box one side fixedly connected with control box.
Furthermore, the heating groups are sequentially distributed on the chest model from top to bottom, and the chest model is detachably connected to the body warming chest platform.
Further, the corsage is worn on one side of the chest model far away from the warm chest platform, a measuring layer is arranged between the chest model and the corsage, the measuring layer is fixedly connected to the chest model, a plurality of temperature sensors are arranged between the measuring layer and the corsage, and the surfaces of the temperature sensors and the measuring layer are kept parallel and level.
Furthermore, all be provided with the ventilation pipe on first vent, the second vent, all be provided with air-blower or air exhauster on the ventilation pipe, be provided with the humidifying pipe on the humidification mouth, fixedly connected with humidifier on the humidifying pipe.
Furthermore, a plurality of temperature sensors and humidity sensors are fixedly connected in the test box.
Further, fixedly connected with temperature controller, humidity controller, fan controller in the control box, temperature controller and temperature sensor electric connection, humidity controller and humidity sensor, humidifier electric connection, fan controller and air-blower and air exhauster electric connection.
Compared with the prior art, the invention has the beneficial effects that:
the bra can be worn on the bra table to test the heat preservation performance, the wearing state of the bra cup is closer to that of a product than a fabric test, the heat conduction quantity of the bra cup is measured by using the warm bra table model, the thermal resistance is calculated, the test result is closer to the heat insulation state when a human body wears the bra cup, and the data is more accurate. Thereby determining the seasonal environment suitable for the bra; and then can provide support for a large amount of underwear manufacturing enterprises in China, and provide support and service for underwear enterprises to research and develop bra products comfortable to wear, thereby better providing more comfortable bra products for women.
Description of the drawings:
in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a front sectional view of the present invention;
FIG. 2 is a cross-sectional view taken at A-A of FIG. 1 in accordance with the present invention;
fig. 3 is an enlarged view of fig. 2 at B of the present invention.
The specific implementation mode is as follows:
in order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In addition, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that the products of the present invention conventionally lay out when in use, or orientations or positional relationships that are conventionally understood by those skilled in the art, which are merely for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to figures 1-3 of the drawings,
the utility model provides a brassiere heat preservation tester, includes test box 1 and warm body chest platform 2, warm body chest platform 2 fixed connection is in test box 1, be provided with chest model 21 on warm body chest platform 2, be provided with a plurality of heating groups 211 on the chest model 21, corsage 4 is worn and is covered chest model 21 on warm body chest platform 2, first vent 11, second vent 12, humidification mouth 13 have been seted up on test box 1, 1 one side fixedly connected with control box 3 of test box.
In this embodiment, heating group 211 distributes from the top down in proper order on chest model 21, chest model 21 can be dismantled and connect on warm body chest platform 2, heating group 211 is the inside heat conduction material that is provided with the heater strip, perhaps can be according to warm body chest platform 2 of the different chest types of different demands customization.
In this embodiment, the corsage 4 is worn on the side of the chest model 21 far away from the warm chest platform 2, a measurement layer 212 is arranged between the chest model 21 and the corsage 4, the measurement layer 212 is fixedly connected to the chest model 21, a plurality of temperature sensors are arranged between the measurement layer 212 and the corsage 4, and the surfaces of the temperature sensors and the measurement layer 212 are kept flush.
In this embodiment, all be provided with the ventilation pipe on first vent 11, the second vent 12, all be provided with air-blower or air exhauster on the ventilation pipe, be provided with the humidifying pipe on the humidifying mouth 13, fixedly connected with humidifier on the humidifying pipe, first vent 11, second vent 12, humidifying mouth 13 can be seted up in the direction of difference according to different demands to the adjustment direction of admitting air with give vent to anger direction and humidification direction.
In this embodiment, a plurality of temperature sensors and humidity sensors are fixedly connected in the test box 1.
In this embodiment, fixedly connected with temperature controller 33, humidity controller 32, fan controller 31 in control box 3, temperature controller 33 and temperature sensor electric connection, humidity controller 32 and humidity sensor, humidifier electric connection, fan 31 controller and air-blower and air exhauster electric connection, through temperature controller 33, humidity controller 32, fan controller 31 through the signal transmission, the receipt of PLC program control temperature sensor, humidity transducer, humidifier and open and close.
In this embodiment, fixedly connected with fixed station 14 in test box 1, warm body chest platform 2 fixed connection is on fixed station 14 top surface.
Brassiere-like products have different types of cups, such as: full cups, 1/2 cups, 3/4 cups, 5/8 cups, etc., the present invention allows testing of different types of bras by adjusting the heating groups.
After the chest model is worn with the corselet of a proper type, the chest model is placed in a test box, the constant temperature and the constant humidity in the test box are kept, the wind speed is adjusted, the chest platform reaches the thermal balance after a certain time, and the heat preservation performance of the coverage area of the bra can be calculated according to the power required for keeping the surface temperature of the chest platform constant.
Because the style structure of the clothing directly influences the heat preservation performance of clothing products, the existing warm-up dummy also has no measurement standard and method aiming at the heat preservation performance of the bra, and the heat preservation performance of the bra can not be accurately measured, the invention relates to a heat preservation measurement device comprising a bra platform of a woman, the bra is worn on the bra platform, the heating part of the bra platform can be adjusted and arranged according to the style of the bra, thereby the heat passing through the bra can be accurately measured, and the heat preservation index of the bra products can be calculated, for example: thermal resistance, kr value.
The formula for calculating the clo value is shown in formula 1 and formula 2.
In the formula:
Rclthermal resistance of the brassiere, clo;
Asm area of the heating area of the warm body brassiere platform covered by the brassiere to be measured2；
tsThe area weighted average temperature (DEG C) of a heating area of the warm body chest platform covered by the bra to be tested;
taambient temperature, deg.C;
Hdis the dry heat input power, W, of the heating area covered by the bra to be tested;
Rais the thermal resistance of the boundary layer air.
In the formula:
Rclthermal resistance of the brassiere, clo;
Asiarea m of the heating area of the ith section covered by the bra to be tested2；
tsiThe average temperature of the heating area of the section i of the warm body chest platform covered by the bra to be tested is DEG C;
taambient temperature, deg.C;
Hdithe dry heat input power W of the heating area of the section i of the warm body chest platform covered by the bra to be tested;
Rathe thermal resistance of the boundary layer air clo.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a brassiere heat preservation nature tester, its characterized in that, includes test box and warm body chest platform, warm body chest platform fixed connection is in the test box, warm body chest bench is provided with the chest model, be provided with a plurality of heating groups on the chest model, the corsage dress is on warm body chest bench and covers the chest model, first vent, second vent, humidification mouth have been seted up on the test box, test box one side fixedly connected with control box.
2. The brassiere heat preservation test apparatus of claim 1, wherein said heating groups are distributed in a sequence from top to bottom on a chest model, said chest model being detachably connected to a warm body chest platform.
3. The bra thermal insulation tester of claim 2, wherein the bra is worn on a side of the bra model away from the warm body chest platform, a measuring layer is disposed between the bra model and the bra model, the measuring layer is fixedly connected to the bra model, a plurality of temperature sensors are disposed between the measuring layer and the bra model, and the surface of the temperature sensors is flush with the surface of the measuring layer.
4. The bra heat preservation tester of claim 3, wherein the first vent and the second vent are provided with vent pipes, the vent pipes are provided with air blowers or exhaust fans, the humidifying openings are provided with humidifying pipes, and the humidifying pipes are fixedly connected with humidifiers.
5. The bra heat preservation tester of claim 4, wherein a plurality of temperature sensors and humidity sensors are fixedly connected in the testing box.
6. The bra heat preservation tester of claim 5, wherein a temperature controller, a humidity controller and a fan controller are fixedly connected in the control box, the temperature controller is electrically connected with the temperature sensor, the humidity controller is electrically connected with the humidity sensor and the humidifier, and the fan controller is electrically connected with the blower and the exhaust fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110988102.9A CN113533427A (en) | 2021-08-26 | 2021-08-26 | Bra heat preservation tester |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110988102.9A CN113533427A (en) | 2021-08-26 | 2021-08-26 | Bra heat preservation tester |
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| CN113533427A true CN113533427A (en) | 2021-10-22 |
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| CN202110988102.9A Pending CN113533427A (en) | 2021-08-26 | 2021-08-26 | Bra heat preservation tester |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113533426A (en) * | 2021-08-19 | 2021-10-22 | 北京服装学院 | Wearable bra for measuring thermal resistance of bra |
| 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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| CN107153080A (en) * | 2017-07-03 | 2017-09-12 | 四川省皮革研究所 | It is a kind of into footwear thermal resistance, the test device of dampness and method of testing |
| CN110801060A (en) * | 2019-10-31 | 2020-02-18 | 浙江大学山东工业技术研究院 | Self-adaptive controllable heat-preservation underwear |
| CN112255267A (en) * | 2020-11-11 | 2021-01-22 | 北京服装学院 | Wearable warm dummy and clothing thermal resistance measuring method |
| CN112964624A (en) * | 2021-04-29 | 2021-06-15 | 北京服装学院 | Bra moisture permeability testing device and testing method thereof |
| CN215493276U (en) * | 2021-08-26 | 2022-01-11 | 北京服装学院 | Bra heat preservation tester |
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2021
- 2021-08-26 CN CN202110988102.9A patent/CN113533427A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107153080A (en) * | 2017-07-03 | 2017-09-12 | 四川省皮革研究所 | It is a kind of into footwear thermal resistance, the test device of dampness and method of testing |
| CN110801060A (en) * | 2019-10-31 | 2020-02-18 | 浙江大学山东工业技术研究院 | Self-adaptive controllable heat-preservation underwear |
| CN112255267A (en) * | 2020-11-11 | 2021-01-22 | 北京服装学院 | Wearable warm dummy and clothing thermal resistance measuring method |
| CN112964624A (en) * | 2021-04-29 | 2021-06-15 | 北京服装学院 | Bra moisture permeability testing device and testing method thereof |
| CN215493276U (en) * | 2021-08-26 | 2022-01-11 | 北京服装学院 | Bra heat preservation tester |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113533426A (en) * | 2021-08-19 | 2021-10-22 | 北京服装学院 | Wearable bra for measuring thermal resistance of bra |
| 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 |
| CN117191671B (en) * | 2023-11-03 | 2024-04-16 | 波司登羽绒服装有限公司 | Clothing windproof performance testing tool and testing method |
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