CN105928974A - Fabric heat insulation performance testing device and method - Google Patents
Fabric heat insulation performance testing device and method Download PDFInfo
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- CN105928974A CN105928974A CN201610310920.2A CN201610310920A CN105928974A CN 105928974 A CN105928974 A CN 105928974A CN 201610310920 A CN201610310920 A CN 201610310920A CN 105928974 A CN105928974 A CN 105928974A
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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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Abstract
The invention aims to solve the problem that a fabric heat insulation performance testing device and method in the prior art cannot accurately and scientifically test and evaluate fabric heat insulation performance and provides a fabric heat insulation performance testing device. The fabric heat insulation performance testing device comprises a base and a test box; a heat source generating device is arranged in the test box, a testing region for a piece to be tested and a testing region for a control piece are formed in the two sides of the heat source generating device, the heat source generating device comprises a heat source region infrared power meter, a heating tube and two heat insulation protective fences spaced from each other, the heating tube and the heat source region infrared power meter are arranged between the two heat insulation protective fences, and the testing region for the piece to be tested and the testing region for the control piece are each provided with a fabric clamping device, an infrared power meter for situations before attenuation and an infrared power meter for situations after attenuation. The fabric heat insulation performance testing method includes the steps of fabric clamping, preheating, heat conducting, data recording, computing and contrastive analysis. The fabric heat insulation performance testing device and method have the advantages that fabric heat insulation performance can be accurately measured, and fabric heat insulation performance parameters can be scientifically and reasonably obtained and evaluated.
Description
Technical field
The present invention relates to heat insulating property test device technical field, heat insulation in particular to a kind of fabric
Performance testing device.The invention still further relates to a kind of fabric heat-proof quality method of testing.
Background technology
In the case of Global Temperature is more and more higher, particularly (especially hot in high-temperature work environment
The outside work in summer and the high temperature such as iron and steel, oil working space), continuous high temperature can make operating personnel feel
To the discomfort of many healths, and the most possible change causing series physiological function, non-to harm
Chang Yanchong.Therefore, the heat-proof quality of fabric is particularly important, carries out testing energy to the heat-proof quality of fabric
Enough instruct people to develop the preferable fabric of thermal insulation, provide for human body, animal or other article and protect
Protect.
Existing heat insulating property test device there is problems of, it is impossible to accurate science is reasonably tested and comments
Valency fabric heat-proof quality.
Summary of the invention
It is desirable to provide a kind of fabric heat insulating property test device, to solve present in prior art
Test structural reliability is low, and error is big, it is impossible to accurate science is reasonably tested and evaluates fabric thermal insulation
Can problem.
The present invention also provides for a kind of fabric heat-proof quality method of testing, and this method of testing can solve the problem that existing skill
Testing structural reliability present in art low, error is big, it is impossible to accurate science is reasonably tested and evaluates
Fabric heat-proof quality problem.
Embodiments of the invention are achieved in that
A kind of fabric heat insulating property test device, including base be arranged on the test box on base；
Centre position within described test box is provided with thermal source generating means, and test box is divided by thermal source generating means
It is divided into separate part test section to be measured and control piece test section；Part test section to be measured and control piece are surveyed
Examination district is symmetrical about thermal source generating means；Thermal source generating means includes thermal source district infrared power meter, heating
Pipe and the heat insulation guard boom can opened and close of two spaced settings；Add heat pipe and thermal source
District's infrared power meter is arranged between two heat insulation guard booms；Part test section to be measured and control piece test
Infrared power meter after fabric clamping device, the front infrared power meter of decay and decay it is equipped with among district；Decline
Subtract front infrared power meter and be arranged on the fabric clamping device side just to thermal source generating means, red after decay
External power meter is arranged on the side of fabric clamping device thermal source generating means dorsad.
Thermal source generating means is used for producing heat, for creating in part test section to be measured and control piece test section
Test thermal environment；Infrared power meter after the front infrared power meter of decay and decay is set simultaneously, it is possible to realize
One step completes test, had both reduced error, and had efficiently tested out again the heat-proof quality of sample easily；Heat insulation
Guard boom is for cutting off thermal source generating means and space, both sides when preheating, it is to avoid the heat pair during preheating
The impact of test result, improves the accuracy of experiment；After preheating completes, heat insulation guard boom can be opened.
The test structure that left and right is full symmetric, can directly contrast the heat-proof quality between part to be measured and control piece,
Heat-proof quality to part to be measured is evaluated more scientific the most meaningful.Fabric clamping device facilitates to be measured
Part and the clamping of control piece, facilitate the operation of test process.
In one embodiment of the invention, above-mentioned heat insulation guard boom includes multiple rotation be arrangeding in parallel
Axle and be connected to multiple heat shields in multiple rotary shaft, heat shield is strip, and rotary shaft is by electricity
Machine drives.
In one embodiment of the invention, above-mentioned base is provided with the 3rd switch, rotary shaft and motor
Being connected, the 3rd switch electrically connects with motor, and the 3rd switch is for controlling the opening and closing of motor.
In one embodiment of the invention, the above-mentioned heat pipe that adds has multiple, and multiple heat pipes that add are phase homotype
Number infrared quartz add heat pipe, multiple heat pipes that add are evenly distributed between two heat insulation guard booms.
In one embodiment of the invention, the above-mentioned quantity adding heat pipe is eight, eight add heat pipe by
Form according to four row two row is arranged；Base is provided with the first switch and second switch；First switch with in
Between two rows add heat pipe electrical connection, add the opening and closing of heat pipe for controlling middle two rows；Second switch
Add heat pipe with upper and lower row to electrically connect, add the opening and closing of heat pipe for controlling upper and lower two rows.
In one embodiment of the invention, above-mentioned fabrics clamping device includes rectangle frame, rectangle frame
Being respectively equipped with fixation clamp on two vertical edges, connecting between two vertical edges of rectangle frame has at least two elastic force
Line.
In one embodiment of the invention, corresponding part test section to be measured and control piece on above-mentioned test box
It is respectively equipped with chamber door at test section, chamber door is fixed with handle.
In one embodiment of the invention, infrared power before above-mentioned thermal source district infrared power meter, decay
After meter and decay, infrared power meter all includes the support bar being fixedly installed and is arranged on supporting bar top
Inducing probes；The center of inducing probes, the center of fabric clamping device and heat insulation anti-
The center position of grille is in same level.
In one embodiment of the invention, above-mentioned base being provided with five display instrument, five show
Show infrared merit before the decay of the most corresponding electric-connection thermal source region infrared power meter of instrument, part test section to be measured
Rate meter, part test section to be measured decay after infrared power meter, control piece test section decay before infrared merit
Infrared power meter after the decay of rate meter and control piece test section.The 4th switch it is additionally provided with on above-mentioned base,
4th switch electrically connects with five display instrument, for controlling the opening and closing of five display instrument.
A kind of fabric heat-proof quality method of testing based on above-mentioned fabrics heat insulating property test device, including
Following steps:
Fabric gripping step: part to be measured and control piece are clipped in respectively part test section to be measured and control piece is surveyed
On fabric clamping device in examination district；
Preheating step: open the heat pipe that adds of thermal source generating means, keeps heating until the infrared merit in thermal source district
The temperature that rate meter detects reaches the temperature value set；
Heat conduction step: after preheating step, opens two heat insulation guard booms；
Reference record step before decay: after heat conduction step, infrared merit before the decay of part test section to be measured
Rate meter detection temperature value and thermal energy radiation value, infrared power meter detection before the decay of part test section to be measured
After the temperature value arrived and thermal energy radiation value stabilization, recording the time t1 in this moment, this moment is to be measured
The temperature value T1 that detects of infrared power meter and thermal energy radiation value Q1 before the decay of part test section；Comparison
Before the decay of part test section, infrared power meter detection temperature value and thermal energy radiation value, treat control piece test section
Decay before after the temperature value that detects of infrared power meter and thermal energy radiation value stabilization, record this moment
Time t1 ', the temperature value T1 ' that detects of infrared power meter before the decay of this moment control piece test section
With thermal energy radiation value Q1 '；
Reference record step after decay: after heat conduction step, infrared merit after the decay of part test section to be measured
Rate meter detection temperature value and thermal energy radiation value, infrared power meter detection after the decay of part test section to be measured
After the temperature value arrived and thermal energy radiation value stabilization, recording the time t2 in this moment, this moment is to be measured
Temperature value T2 that after the decay of part test section, infrared power meter detects and thermal energy radiation value Q2；Comparison
After the decay of part test section, infrared power meter detection temperature value and thermal energy radiation value, treat control piece test section
Decay after after the temperature value that detects of infrared power meter and thermal energy radiation value stabilization, record this moment
Time t2 ', the temperature value T2 ' that after the decay of this moment control piece test section, infrared power meter detects
With thermal energy radiation value Q2 '；
Calculation procedure: the heat conductivity λ of part to be measured can pass through formulaCalculate
Draw, in formula, the thickness of d-part to be measured；The area of S-part to be measured；
The heat conductivity λ ' of control piece can pass through formulaCalculate, formula
In, the thickness of d '-part to be measured；The area of S '-part to be measured；
Contrast step: the heat conductivity λ ' of the heat conductivity λ of part to be measured with control piece is contrasted；
Part heat-proof quality estimation steps to be measured: the heat conductivity λ calculating part to be measured is the biggest, represents
The heat-proof quality of part to be measured is the best.
The embodiment of the present invention provides the benefit that:
1, infrared power meter after the front infrared power meter of decay and decay is set simultaneously, it is possible to realize one-step method
Test, had both reduced error, had efficiently tested out again the heat-proof quality of sample easily；
2, heat insulation guard boom is it can be avoided that the heat impact on test result during preheating, improves experiment
Accuracy；
3, the test structure that left and right is full symmetric, can directly contrast between part to be measured and control piece is heat insulation
Performance so that the heat-proof quality of part to be measured is evaluated more scientific the most meaningful；
4, after preheating step, then heat conduction step is carried out, it is possible to avoid the heat produced in warm
Impact on the test of fabric heat-proof quality, measurement result science is accurate；
5, the reference record before and after decay and calculating, and calculated by part to be measured and control piece
The relative analysis of data, it is possible to the heat-proof quality of part to be measured is made science and evaluates accurately.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, below will be to required in embodiment
Accompanying drawing to be used is briefly described, it will be appreciated that the following drawings illustrate only some of the present invention
Embodiment, is therefore not construed as the restriction to scope, for those of ordinary skill in the art,
On the premise of not paying creative work, it is also possible to obtain other relevant accompanying drawings according to these accompanying drawings.
Fig. 1 is the structural representation of the fabric heat insulating property test device in the embodiment of the present invention one；
Fig. 2 is the A direction view (display is cut on base top open) of Fig. 1；
Fig. 3 is the structural representation of the fabric clamping device in the embodiment of the present invention one；
Fig. 4 is the flow chart of the fabric heat-proof quality method of testing in the embodiment of the present invention two.
In figure:
100. base；
110. display instrument, 120. first switches, 130. second switches, 140. the 3rd switches, 150.
4th switch；
200. test box；
210. part test sections to be measured, 220. control piece test sections, 230. chamber doors, 240. handles；
300. thermal source generating meanss；
310. thermal source district infrared power meters, 311. support bars, 312. inducing probes；
320. add heat pipe；
330. heat insulation guard booms, 331. rotary shafts, 332. heat shields；
400. fabric clamping devices；
410. rectangle frames, 420. fixation clamps, 430. elastic threads；
Infrared power meter before 510. decay, infrared power meter after 520. decay.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with this
Accompanying drawing in bright embodiment, is clearly and completely described the technical scheme in the embodiment of the present invention,
Obviously, described embodiment is a part of embodiment of the present invention rather than whole embodiments.Logical
Often herein described in accompanying drawing and the assembly of the embodiment of the present invention that illustrates can be with various different configurations
Arrange and design.
Therefore, below the detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit
The scope of claimed invention, but it is merely representative of the selected embodiment of the present invention.Based on this
Embodiment in bright, those of ordinary skill in the art are obtained under not making creative work premise
Every other embodiment, broadly fall into the scope of protection of the invention.
It should also be noted that similar label and letter represent similar terms in following accompanying drawing, therefore, once
A certain Xiang Yi accompanying drawing is defined, then need not carry out determining further to it in accompanying drawing subsequently
Justice and explanation.
In describing the invention, it should be noted that term " " center ", " on ", D score, " left ",
The orientation of " right ", " level ", " interior ", " outward " etc instruction or position relationship are for based on shown in accompanying drawing
Orientation or position relationship, or the orientation usually put or position relationship when this invention product uses,
It is for only for ease of and describes the present invention and simplify description rather than instruction or the device of hint indication or unit
Part must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this
The restriction of invention.Additionally, term " first ", " second ", " the 3rd ", " the 4th " etc are only used for
Distinguish and describe, and it is not intended that indicate or hint relative importance.
Additionally, term " level ", etc term be not offered as requiring parts abswolute level or pendency, and
It is to be slightly tilted.As " level " only refers to for its direction relatively " vertically " more level,
It is not to represent that this structure must be perfectly level, but can be slightly tilted.
Embodiment one
Refer to Fig. 1, Fig. 2, Fig. 3, present embodiments provide a kind of fabric heat insulating property test device,
It includes base 100 and is arranged on the test box 200 on base 100.Within test box 200
Centre position is provided with thermal source generating means 300, and test box 200 is separated into by thermal source generating means 300
Separate part test section 210 to be measured and control piece test section 220；Part test section 210 to be measured He
Control piece test section 220 is symmetrical about thermal source generating means 300.Symmetrically arranged part test section to be measured
210 and control piece test section 220 can obtain identical heat from thermal source generating means 300, from
And ensure that part to be measured is tested under identical thermal environment with control piece.By contrasting and analyzing to be measured
The heat-proof quality test result of part and control piece, it is possible to scientifically and rationally the heat-proof quality of part to be measured is entered
Row is evaluated.Part to be measured and control piece contrast of heat fade situation under equivalent environment, improve test knot
The science of fruit.
Thermal source generating means 300 includes thermal source district infrared power meter 310, adds heat pipe 320 and two phases
The most spaced heat insulation guard boom 330 can opened and close.Add heat pipe 320 and thermal source district is red
External power meter 310 is arranged between two heat insulation guard booms 330.
Thermal source generating means 300 is used for providing controlled thermal source, manufactures the heat of fabric heat-proof quality test
Environment.Add heat pipe 320 heating power, make neighbouring air themperature increase；Thermal source district infrared power meter
310 for detecting the temperature in thermal source generating means 300 and energy density；Two heat insulation guard booms 330
All can close for open and close, for controlling the partition of thermal source or outwards transmitting.
The structure of heat insulation guard boom 330 can have multiple, opens as used roller shutter form, multiple-piece to rotate
Close form etc..In Fig. 1, the heat insulation guard boom 330 of display uses multiple-piece rotating open-close form.
As it is shown in figure 1, heat insulation guard boom 330 includes multiple rotary shaft 331 be arrangeding in parallel and connects respectively
Multiple heat shields 332 in multiple rotary shafts 331, heat shield 332 is strip, rotary shaft 331
Driven by motor.Rotary shaft 331 can rotate a certain angle under the drive of motor, and (motor is at figure
In be not drawn into).When rotary shaft 331 rotates, the heat shield 332 being connected to it on is driven to rotate, from
And control the relative position of each heat shield 332.When these heat shields 332 are fitted each other, formed
One plane closed, add heat pipe 320 and the part to be measured that can cut off in thermal source generating means 300 are surveyed
Examination space between district 210, control piece test section 220.
Preferably, the heat shield 332 of heat insulation guard boom 330 uses heat-insulating heat-preserving material to make,
So, in warm, the heat insulation guard boom 330 of Guan Bi can cut off thermal source generation well
Heat transfer between device 300 and the test section of both sides, it is possible to reduce thermal source generating means 300
Thermal loss in warm, further increase the efficiency of heating surface, it is to avoid preheating is treated
Survey part and the impact of control piece initial temperature.
Same fabric is certain to the absorption of heat, and the heat absorbed when fabric reaches capacity
During value, no longer play heat-blocking action；Additionally fabric is made up of fiber, and fiber is in warm for a long time
Thermal degradation can be produced under environment, thus cause the decline of molecular weight and the change of structure, can cause
The heat-proof quality of fabric is less than fabric heat-proof quality in normal state, affects fabric thermal insulation
The accuracy of energy measured value.
Thermal source can be sent out during thermal source generating means 300 preheats by heat insulation guard boom 330
Generating apparatus 300 and part to be measured and control piece are kept apart；When the temperature in thermal source generating means 300 reaches
During to preset temperature value, the heat shield 332 of heat insulation guard boom 330 is opened, and makes thermal source generating means
Heat in 300 is transferred among part test section 210 to be measured and control piece test section 220；This just keeps away
Exempt from fabric in thermal source generating means 300 warm is crossed, to absorb a part of heat and affect fabric
To the absorption of heat during test, cause test error；Also avoid the fiber in fabric because of temperature generation
Structure change and affect the heat-proof quality of fabric.This structure makes test result more accurately, reliably.
Be equipped with among part test section 210 to be measured and control piece test section 220 fabric clamping device 400,
Infrared power meter 520 after the front infrared power meter 510 of decay and decay.Infrared power meter 510 before decay
It is arranged on the fabric clamping device 400 side just to thermal source generating means 300, infrared power after decay
Meter 520 is arranged on the side of fabric clamping device 400 thermal source generating means 300 dorsad.
Fig. 3 is the fabric clamping device 400 in the fabric heat insulating property test device shown in Fig. 1
Structural representation.Fabric clamping device 400 is used for clamping control piece and part to be measured.Such as Fig. 1 and Fig. 3
Shown in, the fabric clamping device 400 in above-described embodiment includes rectangle frame 410, rectangle frame 410
It is respectively equipped with fixation clamp 420 on two vertical edges.Rectangle frame 410 is for limiting part to be measured and control piece
Size；Fixation clamp 420 is for clamping two vertical edges of part to be measured and control piece so that fabric keeps exhibition
Open state.
Rectangle frame 410 has multiple with the connected mode of test box 200, such as clamping, threaded or
Person's welding etc..Connect between two vertical edges of rectangle frame 410 and have at least two elastic threads 430.
The setting of fabric clamping device 400 enormously simplify the fixation procedure of part to be measured and control piece, easily
Dismounting, improves work efficiency.And fabric clamping device 400 can make part to be measured and right well
Deployed condition is kept, it is to avoid overlapping or the situation of bending occur in part to be measured and control piece, improve according to part
Part to be measured and control piece heat-proof quality test science and accuracy.
Fabric clamping device 400 has multiple with the connected mode of test box 200, such as: clamping, spiral shell
Stricture of vagina connection or welding etc..
The material of rectangle frame 410 preferably uses heat-insulating heat-preserving material, to reduce thermal loss.
When using the fabric heat insulating property test device that the present invention provides, by fixation clamp 420 by be measured
The two ends of part and control piece grip, and further simplify operating process；This simple in construction, Yi Jia
Work.
Wherein, two frames up and down at rectangle frame 410 are respectively provided with elastic thread 430, elastic thread 430
Torr, at part to be measured and the rear side of control piece, is further ensured that the smooth of fabric, it is ensured that the accuracy of test
And reliability.
Further, base 100 is provided with the 3rd switch 140, and rotary shaft 331 is connected with motor,
3rd switch 140 electrically connects with motor, and the 3rd switch 140 is for controlling the opening and closing of motor.
Preferably, the 3rd switch 140 is key switch.
By arranging startup and the stopping of the 3rd switch 140 control motor, it is convenient to control heat insulation anti-
The opening and closing of grille 330.
In a preferred version of the present embodiment, adding heat pipe 320 has multiple, multiple adds heat pipe 320
Add heat pipe 320 for the infrared quartz of same model, multiple add heat pipe 320 be evenly distributed on two heat insulation
Between guard boom 330.Preferably, the quantity adding heat pipe 320 is eight, eight add heat pipe 320 by
Form according to four row two row is arranged.
Refer to Fig. 2, add heat pipe 320 line up four rows two row form, be evenly distributed on two heat insulation
Between guard boom 330, it is possible to ensure that it is delivered to part test section 210 to be measured and control piece test section
The heat of 220 is identical, it is ensured that the test result of both sides has comparability.And such arrangement is easy to
The heat pipe 320 that adds controlling varying number is energized work, thus produces different test thermal environments, permissible
Drawing part to be measured and the control piece heat-proof quality under the thermal environment that multiple temperature are different, measurement result is more
Add and there is reference value.As a kind of feasible scheme, base 100 is provided with the first switch 120 He
Second switch 130；Preferably, the first switch 120 and second switch 130 are key switch.The
One switch 120 adds heat pipe 320 with middle two rows and electrically connects, and is used for controlling middle two rows and adds heat pipe 320
Opening and closing；Second switch 130 adds heat pipe 320 with upper and lower row and electrically connects, be used for controlling,
Lower two rows add the opening and closing of heat pipe 320.First switch 120 and second switch 130 are used for controlling
The infrared quartz simultaneously worked adds the quantity of heat pipe 320.Infrared quartz adds heat pipe 320 can select merit
Rate is 220V/1500W, reduces the complexity of instrument, simplifies experimental implementation.
In a kind of preferred version of the present embodiment, corresponding part test section 210 to be measured on test box 200
Be respectively equipped with chamber door 230 at control piece test section 220, chamber door 230 is fixed with handle 240.
Preferably, chamber door 230 is arranged on before test box 200.Chamber door 230 is arranged on above side
Just tester carries out the operations such as fabric clamping and taking-up.Chamber door 230 can be the most hinged by one side, and one
The mode of some engaging is formed and being articulated and connected of test box 200.So when chamber door 230 is opened, case
Door 230 can be connected on test box 200, without taking off, and convenient operation.
The shape of handle 240 can have multiple, such as rectangle, square or oval.Handle 240
It can also be draw ring etc..Handle 240 facilitates tester to open and close chamber door 230.
Infrared power meter after thermal source district infrared power meter 310, the front infrared power meter 510 of decay and decay
520 all include the support bar 311 being fixedly installed and the inducing probes being arranged on support bar 311 top
312；The center of inducing probes 312, the center of fabric clamping device 400 and every
The center position of thermal protection grid 330 is in same level.Preferably, support bar 311 by every
Hot material is made.
Infrared power meter is a kind of conventional thermodynamics instrument, and it is possible not only to measure the temperature of environment,
The power density of heat in environment can also be measured.So by the temperature before and after decay and power density
Contrast, can be used for judge the fabric rejection rate to heat, rejection rate is the highest, and heat-proof quality is the best.
Temperature and the signal of heat power density that infrared power meter in the present embodiment senses can pass through
Display instrument 110 displays temperature and the power density of heat.The present embodiment is arranged on diverse location
Infrared power meter is respectively used to measure the temperature value of each position and power density.
By inducing probes 312 is arranged on support bar 311, it is possible to reduce the loss of thermal source transmission,
Guarantee the accuracy that the power density of temperature and heat is measured.
Each inducing probes 312, the center of fabric clamping device 400 and heat insulation guard boom 330
Center position be in same level, it is possible to ensure effective transmission of thermal source, and can make each
Individual inducing probes 312 is in corresponding position, it is to avoid because increasing positional factor, affect experimental result
Judge.
Preferably, the base 100 in the present embodiment is provided with altogether five display instrument 110, five
Display instrument 110 the most corresponding electric-connection thermal source region infrared power meter 310, part test section 210 to be measured
Decay before infrared power meter 510, test section to be measured 210 decay after infrared power meter 520, right
After the decay of infrared power meter 510 and control piece test section 220 before the decay of part test section 220
Infrared power meter 520.Preferably, to be correspondingly arranged on base it respectively right for five display instrument 110
The lower position of the infrared power meter answered, the most just can be simple and clearly by the numerical value of display instrument 110
Being mapped with the measurement zone of its correspondence, digital independent and record are convenient, the most error-prone.Display is set
Instrument 110 can allow the temperature value in each district in tester's read test case 200 intuitively and heat
Power density values, the power density values of this temperature value and heat can be directly read by tester
Record, it is possible to directly read record by computer.
It addition, the display instrument 110 of corresponding thermal source district infrared power meter 310 also has directly indicates survey
Examination personnel carry out the effect operated.Concrete, when the heat pipe 320 that adds in thermal source generating means 300 adds
Heat a period of time, temperature and the power density values of heat within thermal source generating means 300 reach preheating
Setting value time, tester can from display instrument 110 display know, such that it is able to carry out beat
Open the operation of heat insulation guard boom 330, carry out the heat-proof quality test of part to be measured and control piece.
Preferably, base 100 is provided with the 4th switch 150, the 4th switch 150 and five display instruments
Table 110 electrically connects, for controlling the opening and closing of five display instrument 110.Preferably, the 4th
Switch 150 is key switch.Preferably, aforementioned first switch 120, second switch the 130, the 3rd
Switch the 140, the 4th switch 150 is arranged on one piece of patch panel, and may be provided on base 100 right
Answer at thermal source generating means 300 location directly below.The setting of the 4th switch 150 allows to control
The opening and closing of display instrument 110, so need not intuitively read the power of temperature value and heat
Display instrument 110 can be closed during density value, there is the beneficial effect saving the energy.
The using method of the fabric heat insulating property test device in the present embodiment is as follows:
First, open chamber door 230 by handle 240, part to be measured and control piece are separately fixed to be measured
On the fabric clamping device 400 of part test section 210 and control piece test section 220, close chamber door 230.
Then, press the 4th switch 150 open five display instrument 110, press the first switch 120 and/or
The heat pipe 320 that adds that second switch 130 starts in thermal source generating means 300 preheats；By controlling
The quantity adding heat pipe 320 simultaneously worked, can control the temperature of preheating, can record part to be measured not
With the heat-proof quality at a temperature of preheating.Display instrument 110 when corresponding thermal source district infrared power meter 310
When the temperature value of display and the power density values of heat reach setting value, then press 140 dozens, the 3rd switch
Open heat insulation guard boom 330, make the heat symmetry in thermal source generating means 300 be delivered to part to be measured test
In district 210 and control piece test section 220.
Wherein, control piece can select the material that heat-proof quality is excellent, and its heat-proof quality recorded is preferable.
The ratio of the heat-proof quality that the heat-proof quality that part to be measured records records with part to be measured can be treated as evaluation
Survey part heat-proof quality, be even standardized the key parameter of classification as fabric by heat-proof quality, make
The heat-proof quality obtaining fabric can be as the fire-protection rating (A, B1, B2, B3) of material, the size of clothes
Grade (S, M, L ... standard as), gradually standardization.For example, it is possible to select certain normal
As the excellent fabric of heat insulation occasion and heat-proof quality as the control piece of standard, it is clipped in control piece and surveys
Examination district 220 tests.
Embodiment two
Refer to Fig. 1, Fig. 2, Fig. 3, Fig. 4, the present embodiment be based on the fabric in embodiment one every
The fabric heat-proof quality method of testing of heat performance testing device, it comprises the following steps:
Fabric gripping step: part to be measured and control piece are clipped in respectively part test section to be measured and control piece is surveyed
On fabric clamping device 400 in examination district；
Preheating step: that opens thermal source generating means 300 adds heat pipe 320, keeps heating until thermal source
The temperature that district's infrared power meter 310 detects reaches the temperature value set；
Heat conduction step: after preheating step, opens two heat insulation guard booms 330；
Reference record step before decay: after heat conduction step, red before the decay of part test section 210 to be measured
External power meter 510 detects temperature value and thermal energy radiation value, red before the decay of part test section 210 to be measured
After temperature value that external power meter 510 detects and thermal energy radiation value stabilization, record the time in this moment
T1, the temperature value that before the decay of this moment part to be measured test section 210, infrared power meter 510 detects
T1 and thermal energy radiation value Q1；Before the decay of control piece test section 220, infrared power meter 510 detects temperature
Angle value and thermal energy radiation value, before treating the decay of control piece test section 220, infrared power meter 510 detects
Temperature value and thermal energy radiation value stabilization after, record the time t1 ' in this moment, this moment control piece
Temperature value T1 ' and the thermal energy radiation value Q1 ' that before the decay of test section 220, infrared power meter detects；
Reference record step after decay: after heat conduction step, red after the decay of part test section 210 to be measured
External power meter detection temperature value and thermal energy radiation value, infrared merit after the decay of part test section 210 to be measured
After temperature value that rate meter detects and thermal energy radiation value stabilization, record the time t2 in this moment, should
Temperature value T2 that after the decay of moment part to be measured test section 210, infrared power meter 520 detects and heat
Can radiation value Q2；After the decay of control piece test section 220 infrared power meter 520 detect temperature value and
Thermal energy radiation value, the temperature that infrared power meter 520 detects after the decay of control piece test section 220
After value and thermal energy radiation value stabilization, record the time t2 ' in this moment, this moment control piece test section
The temperature value T2 ' that after the decay of 220, infrared power meter detects and thermal energy radiation value Q2 '；
Calculation procedure: the heat conductivity λ of part to be measured can pass through formulaCalculate
Draw, in formula, the thickness of d-part to be measured；The area of S-part to be measured；
The heat conductivity λ ' of control piece can pass through formulaCalculate, formula
In, the thickness of d '-part to be measured；The area of S '-part to be measured；
Contrast step: the heat conductivity λ ' of the heat conductivity λ of part to be measured with control piece is contrasted；
Part heat-proof quality estimation steps to be measured: the heat conductivity λ calculating part to be measured is the biggest, represents
The heat-proof quality of part to be measured is the best.
In sum, the embodiment of the present invention provides the benefit that:
1, infrared power meter 520 after the front infrared power meter 510 of decay and decay is set simultaneously, it is possible to real
Existing one-step method test, had both reduced error, had efficiently tested out again the heat-proof quality of sample easily；
2, heat insulation guard boom 330 is it can be avoided that the heat impact on test result during preheating, improves real
The accuracy tested；
3, the test structure that left and right is full symmetric, can directly contrast between part to be measured and control piece is heat insulation
Performance so that the heat-proof quality of part to be measured is evaluated more scientific the most meaningful；
4, after preheating step, then heat conduction step is carried out, it is possible to avoid the heat produced in warm
Impact on the test of fabric heat-proof quality, measurement result science is accurate；
5, the reference record before and after decay and calculating, and calculated by part to be measured and control piece
The relative analysis of data, it is possible to the heat-proof quality of part to be measured is made science and evaluates accurately.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for
For those skilled in the art, the present invention can have various modifications and variations.All essences in the present invention
Within god and principle, any modification, equivalent substitution and improvement etc. made, should be included in the present invention
Protection domain within.
Claims (10)
1. a fabric heat insulating property test device, it is characterised in that include base and be arranged on described
Test box on base；
Centre position within described test box is provided with thermal source generating means, and described thermal source generating means will
Described test box is separated into separate part test section to be measured and control piece test section；Described part to be measured
Test section and described control piece test section are symmetrical about described thermal source generating means；
Described thermal source generating means includes thermal source district infrared power meter, add heat pipe and two spaced
The heat insulation guard boom can opened and close arranged；Described add heat pipe and described thermal source district infrared power
Meter is arranged between two described heat insulation guard booms；
Described thermal source generating means includes two heat insulation guard booms, thermal source district infrared power meter and adds heat pipe,
The inner space of described test box is separated into separate part to be measured by two described heat insulation guard booms
Test section and control piece test section, and between described part test section to be measured and control piece test section
Receiving district, described thermal source district infrared power meter and the described heat pipe that adds are positioned in described receiving district；Described
Heat insulation guard boom can open or close；
It is equipped with fabric clamping device among described part test section to be measured and described control piece test section, declines
Subtract infrared power meter after front infrared power meter and decay, and be arranged on knitting in described part test section to be measured
Thing clamping device, decay before infrared power meter and decay after infrared power meter be arranged on described control piece
After fabric clamping device in test section, the front infrared power meter of decay and decay, infrared power meter is about institute
State thermal source generating means symmetrical；
Before described decay, infrared power meter is arranged on described fabric clamping device and just fills described thermal source
The side put, after described decay, infrared power meter is arranged on the described the most described thermal source of fabric clamping device
The side of generating means.
Fabric heat insulating property test device the most according to claim 1, it is characterised in that described
Heat insulation guard boom includes multiple rotary shaft be arrangeding in parallel and is connected in multiple described rotary shaft
Multiple heat shields, described heat shield is strip.
Fabric heat insulating property test device the most according to claim 2, it is characterised in that described
Base is provided with the 3rd switch, and described rotary shaft is connected with motor, described 3rd switch and described motor
Electrical connection, described 3rd switch is for controlling the opening and closing of described motor.
Fabric heat insulating property test device the most according to claim 1, it is characterised in that described
Add heat pipe and have multiple, multiple described in add the infrared quartz that heat pipe is same model and add heat pipe, multiple described
Add heat pipe to be evenly distributed between two described heat insulation guard booms.
Fabric heat insulating property test device the most according to claim 4, it is characterised in that described
The quantity adding heat pipe is eight, adds the form setting that heat pipe arranges according to four rows two described in eight；
Described base is provided with the first switch and second switch；
Described first switch with add heat pipe described in middle two rows and electrically connect, be used for controlling described in middle two rows
Add the opening and closing of heat pipe；
Described second switch with add heat pipe described in upper and lower row and electrically connect, be used for controlling upper and lower two row institutes
State the opening and closing adding heat pipe.
Fabric heat insulating property test device the most according to claim 1, it is characterised in that described
Fabric clamping device includes rectangle frame, two vertical edges of described rectangle frame is respectively equipped with fixation clamp, institute
State to connect between two vertical edges of rectangle frame and have at least two elastic threads.
Fabric heat insulating property test device the most according to claim 1, it is characterised in that described
It is respectively equipped with chamber door at corresponding described part test section to be measured and described control piece test section, institute on test box
State and on chamber door, be fixed with handle.
Fabric heat insulating property test device the most according to claim 1, it is characterised in that described
Before thermal source district infrared power meter, described decay, after infrared power meter and described decay, infrared power meter all wraps
Include the support bar being fixedly installed and be arranged on the inducing probes of described supporting bar top；Described inducing probes
Center, the center of described fabric clamping device and the center of described heat insulation guard boom
Point position is in same level.
9. according to the fabric heat insulating property test device described in any one of claim 1 to 8, its feature
Being, described base is provided with five display instrument, and five described display instrument correspondences respectively are electrically connected
Connect infrared power meter before the decay of described thermal source district infrared power meter, described part test section to be measured, described
Infrared power before the decay of infrared power meter, described control piece test section after the decay of part test section to be measured
Infrared power meter after the decay of meter and described control piece test section；It is additionally provided with the 4th on described base to open
Closing, described 4th switch electrically connects with five described display instrument, for controlling five described display instruments
The opening and closing of table.
10. one kind based on the fabric heat insulating property test device described in any one of claim 1 to 9
Fabric heat-proof quality method of testing, it is characterised in that comprise the following steps:
Fabric gripping step: part to be measured and control piece are clipped in respectively described part test section to be measured and described
On fabric clamping device in control piece test section；
Preheating step: open the heat pipe that adds of described thermal source generating means, keeps heating until described thermal source
The temperature that district's infrared power meter detects reaches the temperature value set；
Heat conduction step: after described preheating step, opens two described heat insulation guard booms；
Reference record step before decay: after described heat conduction step, the decay of described part test section to be measured
Front infrared power meter detection temperature value and thermal energy radiation value, treat the described decay of described part test section to be measured
After temperature value that front infrared power meter detects and described thermal energy radiation value stabilization, record this moment
Time t1, the temperature value that before the described decay of this moment part to be measured test section, infrared power meter detects
T1 and thermal energy radiation value Q1；Infrared power meter detection temperature value and heat before the decay of control piece test section
Can radiation value, treat the temperature value that detects of infrared power meter and institute before the decay of described control piece test section
After stating thermal energy radiation value stabilization, record the time t1 ' in this moment, this moment control piece test section
The temperature value T1 ' that before described decay, infrared power meter detects and thermal energy radiation value Q1 '；
Reference record step after decay: after described heat conduction step, the decay of described part test section to be measured
Rear infrared power meter detection temperature value and thermal energy radiation value, treat the described decay of described part test section to be measured
After temperature value that rear infrared power meter detects and described thermal energy radiation value stabilization, record this moment
Time t2, the temperature value that after the described decay of this moment part to be measured test section, infrared power meter detects
T2 and thermal energy radiation value Q2；Infrared power meter detection temperature value and heat after the decay of control piece test section
Can radiation value, infrared power meter detects after the decay of described control piece test section temperature value and institute
After stating thermal energy radiation value stabilization, record the time t2 ' in this moment, this moment control piece test section
The temperature value T2 ' that after described decay, infrared power meter detects and thermal energy radiation value Q2 '；
Calculation procedure: the heat conductivity λ of part to be measured can pass through formulaCalculate
Draw, in formula, the thickness of d-part to be measured；The area of S-part to be measured；
The heat conductivity λ ' of control piece can pass through formulaCalculate, formula
In, the thickness of d '-part to be measured；The area of S '-part to be measured；
Contrast step: the heat conductivity λ ' of the heat conductivity λ of part to be measured with control piece is contrasted；
Part heat-proof quality estimation steps to be measured: the heat conductivity λ calculating part to be measured is the biggest, and expression is treated
The heat-proof quality surveying part is the best.
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| CN201610310920.2A CN105928974A (en) | 2016-05-11 | 2016-05-11 | Fabric heat insulation performance testing device and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610310920.2A CN105928974A (en) | 2016-05-11 | 2016-05-11 | Fabric heat insulation performance testing device and method |
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| CN108088869A (en) * | 2017-11-30 | 2018-05-29 | 中国航空工业集团公司沈阳飞机设计研究所 | A kind of thermal protection system Heat-Insulation Test device |
| CN109406368A (en) * | 2018-12-10 | 2019-03-01 | 杭州新天元织造有限公司 | The super soft high-comfort knitting fabric air permeability detector of low twist and its detection method |
| CN109580710A (en) * | 2018-12-28 | 2019-04-05 | 上海工程技术大学 | A kind of simulation human body fever measurement diactinic device of dress materials heat radiation |
| CN110044960A (en) * | 2019-05-17 | 2019-07-23 | 上海纺织集团检测标准有限公司 | Curtain class product radiant temperature experimental rig and its detection method |
| CN110609058A (en) * | 2019-09-10 | 2019-12-24 | 东华大学 | Instrument for testing thermal protection performance of firefighter uniform under human body movement |
| CN110726751A (en) * | 2019-11-11 | 2020-01-24 | 吴祖荣 | Rapid detection device for thermal insulation performance of building exterior window and control method thereof |
| CN112763538A (en) * | 2020-12-28 | 2021-05-07 | 上海纺织集团检测标准南通有限公司 | Curtain heat-insulating property detection test method |
| CN114295923A (en) * | 2021-12-22 | 2022-04-08 | 上海临港电力电子研究有限公司 | Testing device and application method of power module |
| CN117191869A (en) * | 2023-11-02 | 2023-12-08 | 深圳市博硕科技股份有限公司 | Power battery thermal insulation cotton thermal insulation performance test system under limiting temperature |
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| CN109406368B (en) * | 2018-12-10 | 2023-10-20 | 杭州新天元织造有限公司 | Low-twist super-soft high-comfort knitted fabric ventilation detection device and detection method thereof |
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| CN110726751B (en) * | 2019-11-11 | 2022-06-17 | 长春市华福建筑构件制作有限公司 | Rapid detection device for thermal insulation performance of building exterior window and control method thereof |
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| CN112763538A (en) * | 2020-12-28 | 2021-05-07 | 上海纺织集团检测标准南通有限公司 | Curtain heat-insulating property detection test method |
| CN114295923B (en) * | 2021-12-22 | 2023-06-16 | 上海临港电力电子研究有限公司 | Testing device and application method of power module |
| CN114295923A (en) * | 2021-12-22 | 2022-04-08 | 上海临港电力电子研究有限公司 | Testing device and application method of power module |
| CN117191869A (en) * | 2023-11-02 | 2023-12-08 | 深圳市博硕科技股份有限公司 | Power battery thermal insulation cotton thermal insulation performance test system under limiting temperature |
| CN117191869B (en) * | 2023-11-02 | 2024-01-23 | 深圳市博硕科技股份有限公司 | Power battery thermal insulation cotton thermal insulation performance test system under limiting temperature |
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Application publication date: 20160907 |