CN206892011U - A kind of wooden material surface heat-radiating properties test device - Google Patents
A kind of wooden material surface heat-radiating properties test device Download PDFInfo
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- CN206892011U CN206892011U CN201720821050.5U CN201720821050U CN206892011U CN 206892011 U CN206892011 U CN 206892011U CN 201720821050 U CN201720821050 U CN 201720821050U CN 206892011 U CN206892011 U CN 206892011U
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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
- G01N25/72—Investigating presence of flaws
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/46—Wood
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Wood Science & Technology (AREA)
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Abstract
A kind of structure design of this technology offer is simple, and install convenient, cost is cheap, wooden material surface heat-radiating properties test device easy to operate directly perceived, as a result accurate and visual, repeatability is high.It includes housing parts, infrared measurement of temperature part, test specimen heating part, electrical control part, and infrared measurement of temperature part comprises at least temperature transducer, and test specimen heating part comprises at least radiant heating light source, is provided for placing the test-piece stand of test specimen on the side of housing；Temperature transducer is contactless electronic sensor, and temperature transducer can be arranged in housing movably forward and backward on the direction perpendicular to surface of test piece；Radiant heating light source can be arranged in housing movably forward and backward on the direction at 45 ° with surface of test piece；Electrical control part electrically connects with temperature transducer, radiant heating light source, to show the surface of test piece temperature of temperature transducer detection, and radiant heating light source is controlled.
Description
Technical field
This technology is related to a kind of wooden material surface heat-radiating properties test device and method of testing, belongs to biomass combined
Material properties test field, especially heat-radiating properties are tested.
Background technology
Far infrared product receives much concern as the functional product for integrating heat storing and heat preserving, health care and antibacterial functions, from
The 1980s, the scientific research personnel of countries in the world just start to study it.Wood with function far infrared radiation function
Composite material is a kind of function composite wooden material of new development, can be used for doing indoor furniture（Tables and chairs etc.）, floor, food
The processing raw material of the industries such as packaging material.Such product is by prepared by the far infrared materials method compound with wooden unit
Form, have the fuel factor and bacteria resistance function of far infrared while there is wood materials basic function concurrently.
In the wooden functional material R＆D process of far infrared, far-infrared radiated property index is to evaluate the good and bad pass of its performance
Key index, it is the important parameter for studying its hot physical property.How the surface heat-radiating properties of such product are evaluated, and finding one kind can
Fast and accurately means of testing and tester are the problem of researcher's letter are to be solved.
Far-infrared thermal radiation performance test apparatus is mainly using Chinese Academy of Sciences's Shanghai technology physicses research in the market
The IRE-2 type infrared radiometers developed, its operation principle mainly uses emittance comparison method, i.e., testing sample
With known temperature, known emissivity reference body compared with, it is empty with synthermal lower black matrix by sample surface emissivity flux density
The ratio between radiosity of chamber, obtain the emissivity of sample surfaces.What this method measured is not the true temperature of object,
It is respectively simply brightness temperature, colour temperature and radiation temperature etc., it must be understood that another parameter-material emissivity of object is (black
Spend coefficient), it can just try to achieve object true temperature.
In the wooden functional material of far infrared, infrared radiant material more pettiness for wooden unit material, therefore,
In the wooden functional material performance test experiment of far infrared, existing infrared radiometer is difficult to control there is test condition
System, cost are big, structure and the deficiencies of complex operation, information processing difficulty.
In addition, a thermometer can also be used and far-infrared lamp combination carrys out direct measurement, but due to being open test, made
Different with test environment with instrument, easily the interference by the external world and human factor are influenceed, and test result has data discrete
Property big, poor reproducibility, it is difficult to ensure that the stabilization of test data, consistent.
The content of the invention
The purpose of this technology is to provide that a kind of structure design is simple, and install convenient, cost is cheap, easy to operate directly perceived,
As a result wooden material surface heat-radiating properties test device accurate and visual, repeatability is high.
To solve above technical problem, this patent adopts the following technical scheme that：
A kind of wooden material surface heat-radiating properties test device, including housing parts, infrared measurement of temperature part, test specimen heating
Partly, electrical control part, infrared measurement of temperature part comprise at least temperature transducer, and test specimen heating part comprises at least radiant heating
Light source, it is provided for placing the test-piece stand of test specimen on the side of housing；Temperature transducer is contactless electronic sensor, is surveyed
Temperature sensor can be arranged in housing movably forward and backward on the direction perpendicular to surface of test piece；Radiant heating light source with test specimen
Surface can be arranged in housing movably forward and backward on direction at 45 °；Electrical control part and temperature transducer, radiant heating light
Source electrically connects, and to show the surface of test piece temperature of temperature transducer detection, and radiant heating light source is controlled.
Above-mentioned wooden material surface heat-radiating properties test device, temperature transducer is in the direction parallel to surface of test piece
On can be arranged on up or down in housing.
Above-mentioned wooden material surface heat-radiating properties test device, temperature transducer can be arranged on branch up or down
On frame, support is arranged on sliding block one, and sliding block one can be arranged on straight line movably forward and backward on the direction perpendicular to surface of test piece
On guide rail, line slideway, which is located at, to be fixed between two limited blocks two in fixed plate.
Above-mentioned wooden material surface heat-radiating properties test device, radiant heating light source are arranged in connecting bracket, even
Connect support to be arranged on sliding block two, sliding block two can be arranged on chute movably forward and backward on the direction at 45 ° with surface of test piece and lead
On rail, chute guide rail, which is located at, to be fixed between two limited blocks one in housing bottom surface.
Above-mentioned wooden material surface heat-radiating properties test device, sets between radiant heating light source and temperature transducer
It is equipped with thermal insulation board.
There is one to be used to place the heavy of test specimen for above-mentioned wooden material surface heat-radiating properties test device, test-piece stand
Groove, the upper opening of deep gouge.
This technology provides a kind of wooden material surface heat-radiating properties method of testing simultaneously, and the method for testing is to use institute
The test device stated, specific steps：The first step, by test specimen（Generally sheet material）, insert test-piece stand and fix so that test specimen is tested
Warm surface face tests sensor；Second step, start the test sensor in infrared measurement of temperature part, it is initially warm to carry out surface of test piece
The collection of angle value；3rd step, by electrical control part, start radiant heating light source, while count the record heating-up time, carry out test specimen
Surface temperature uphill process gathers；4th step, after surface of test piece temperature reaches experimental design value or heat time arrival, radiation adds
Thermal light source powers off, and stops heating, temporally records numerical value when temperature declines, room temperature is down to until experimental design time or temperature
It is constant, test specimen is taken out, test terminates.
Due to the use of above technical scheme, this technology has the following advantages that compared with prior art：The wood materials table
Face heat-radiating properties test device, can be achieved to surface of test piece heating, material surface heat up with temperature-fall period in temperature with
The real-time display of time, so as to reach the purpose for evaluating its heat-radiating properties.Compared with prior art, the device uses horizontal point
Cloth structure design, the influence of outer bound pair test result can be avoided so that the reappearance and uniformity of measurement result are accurately and reliably.Should
Apparatus structure is simple, cost is low, and method of testing is easy to operate, result is accurate and visual, repeatable height, wooden suitable for far infrared
Exploitation, production and the detection of functional material product.
Brief description of the drawings
Fig. 1 is wooden material surface heat-radiating properties test device schematic top plan view.
Fig. 2 is housing parts schematic diagram.
Fig. 3 is housing parts A-A directional profile schematic diagrames.
Fig. 4 is infrared measurement of temperature partial schematic diagram.
Fig. 5 is test specimen heating part schematic diagram.
Fig. 6 is control panel schematic diagram.
In figure：1- housing parts, 2- infrared measurement of temperature part, 3- test specimen heating parts, 4- test specimens, 5- electrical control parts,
11- cover plates, 12- frames, 13- test-piece stands, 14- limited blocks one, 15- limited blocks two, 16- thermal insulation boards, 17- bases, 21- thermometrics pass
Sensor, 22- supports, 23- sliding blocks one, 24- line slideways, 25- fixed plates, 31- infrared radiation heating light sources, 32- connecting brackets,
33- sliding blocks two, 34- chute guide rails, 35- terminal boxes, 51- temperature and time displays, 52- master controls switch, 53- heater switch.
Embodiment
This patent embodiment is further described below in conjunction with the accompanying drawings.
What Fig. 1-6 was represented is the specific embodiment of wooden material surface heat-radiating properties test device, mainly by housing section
Divide the composition such as 1, infrared measurement of temperature part 2, test specimen heating part 3, test specimen 4, electrical control part 5.
Described housing parts 1 are welded using metal foil, mainly include cover plate 11, frame 12, test-piece stand 13, limit
Position block 1 and limited block 2 15, thermal insulation board 16, base 17 etc..Base 17 is provided with infrared measurement of temperature part and test specimen heater block
Limited block 1 and limited block 2 15, the side of frame 12 is control panel, and the test-piece stand of test specimen 4 is is placed in adjacent side
13。
Test-piece stand 13 in the housing parts 1 uses groove structure, facilitates test specimen 4 to lay and fix.Wherein, test specimen 4
Size（L×W×H）For 220 × 300 × 3-10（mm）, the maximum gauge of the Validity Test area on the surface of test specimen 4 is 160mm
±5.0mm。
Described infrared measurement of temperature part 2, mainly include temperature transducer 21, support 22, sliding block 1, line slideway 24,
And fixed plate 25.Temperature transducer 21 is arranged on by support 22 on the sliding block 1 of line slideway 24, first can be carried out up and down
Fine setting, is centrally located on same straight line with the test specimen to be measured 4 on test-piece stand 13, then is realized and test specimen 4 by line slideway 24
Between move forward and backward distance regulation.
Temperature transducer 21 in described infrared measurement of temperature part 2 uses contactless electronic sensor, using coaxial ten
Word intersecting laser aims at, and spectral response range is 6-16 μm.The temperature transducer by optical system it is integrated with electronic circuit collection
Into in stainless steel case body, electric signal is converted it into after receiving the infra-red radiation of objective body, through electronic circuit amplifier, line
Property, signal transacting, most it is followed by controller and shows or output temperature.
Described test specimen heating part 3, the dynamic process for heating up and cooling for imitation specimen surface, mainly including infrared
Radiant heating light source 31, connecting bracket 32, sliding block 2 33, chute guide rail 34, and terminal box 35.Infrared radiation heating light source 31
On chute guide rail 34, center is centrally located on same straight line with the test specimen to be measured 4 on test-piece stand 13, can be achieved front and rear
Displacement is adjusted.Chute guide rail 34 is fixed on the center line of the line slideway of temperature transducer 21 24 on 45o straight line.
Infrared radiation heating light source 31 in described test specimen heating part 3 the surface of test specimen 4 to be measured effective diameter most
Greatly 160mm ± 5.0mm.
Described electrical control part 5 is mainly used in timing control, data are shown, connects and control power supply, including stagnation temperature
Degree and time display 51, control switch 52, heater switch 53 and connection electric wire etc..Temperature and time display 51 can be recorded directly
The surface temperature of test specimen 4 and test period, the side of shell frame 12 is installed along with master control switch 52, heater switch 53,
The control panel of forming apparatus.
The method of testing for the wooden material surface heat-radiating properties test device being made up of said structure, including：The first step,
The thick test specimens 4 of 3-10mm are processed into（L×W）220mm × 300mm, insert in the groove in test-piece stand 13, fix；Second step,
Master control switch 52 is opened, the test sensor 21 in starter in infrared measurement of temperature part 2, carries out the surface initial temperature of test specimen 4
The collection of value；3rd step, heater switch 53 is opened, the infrared heating light source 31 in starter in test specimen heating part 3, simultaneously
The meter record heating-up time, carry out the collection of the surface temperature uphill process of test specimen 4；4th step, the surface temperature of test specimen 4 reach experimental design value
Or after the heat time reaches, disconnect heater switch 53 and stop heating, numerical value when temperature declines temporally is recorded, until experiment is set
Between timing or temperature to be down to room temperature constant, close master control switch 52, take out test specimen 4, test terminates.
It is described above, an only specific embodiment of this technology, it is impossible to the scope of this technology is limited, it is all according to this patent
Equivalent changes and modifications used in scope, all should still it belong in the range of this patent covers.
Claims (6)
1. a kind of wooden material surface heat-radiating properties test device, including housing parts, infrared measurement of temperature part, test specimen heating part
Divide, electrical control part, infrared measurement of temperature part comprises at least temperature transducer, and test specimen heating part comprises at least radiant heating light
Source, it is characterized in that：It is provided for placing the test-piece stand of test specimen on the side of housing；Temperature transducer passes for contactless electronic
Sensor, temperature transducer can be arranged in housing movably forward and backward on the direction perpendicular to surface of test piece；Radiant heating light source
It can be arranged on movably forward and backward in housing on the direction at 45 ° with surface of test piece；Electrical control part and temperature transducer, spoke
Heated light sources electrical connection is penetrated, to show the surface of test piece temperature of temperature transducer detection, and radiant heating light source is controlled.
2. wooden material surface heat-radiating properties test device as claimed in claim 1, it is characterized in that：Temperature transducer is flat
Row in can be arranged in housing up or down on the direction of surface of test piece.
3. wooden material surface heat-radiating properties test device as claimed in claim 2, it is characterized in that：Temperature transducer can be with
Be arranged on up or down on support, support is arranged on sliding block one, sliding block one on the direction perpendicular to surface of test piece can before
After be movably arranged on line slideway, line slideway is positioned at being fixed between two limited blocks two in fixed plate.
4. wooden material surface heat-radiating properties test device as claimed in claim 1, it is characterized in that：Radiant heating light source is set
Put in connecting bracket, connecting bracket is arranged on sliding block two, and sliding block two front and rear can move on the direction at 45 ° with surface of test piece
It is arranged on dynamicly on chute guide rail, chute guide rail, which is located at, to be fixed between two limited blocks one in housing bottom surface.
5. wooden material surface heat-radiating properties test device as claimed in claim 1, it is characterized in that：In radiant heating light source
Thermal insulation board is provided between temperature transducer.
6. wooden material surface heat-radiating properties test device as claimed in claim 1, it is characterized in that：Test-piece stand has one
For placing the deep gouge of test specimen, the upper opening of deep gouge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720821050.5U CN206892011U (en) | 2017-07-08 | 2017-07-08 | A kind of wooden material surface heat-radiating properties test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720821050.5U CN206892011U (en) | 2017-07-08 | 2017-07-08 | A kind of wooden material surface heat-radiating properties test device |
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| Publication Number | Publication Date |
|---|---|
| CN206892011U true CN206892011U (en) | 2018-01-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720821050.5U Active CN206892011U (en) | 2017-07-08 | 2017-07-08 | A kind of wooden material surface heat-radiating properties test device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108872308A (en) * | 2018-09-28 | 2018-11-23 | 山东建筑大学 | A kind of detection and research method for ground heating wood floors heat sustained release rule |
| CN108918587A (en) * | 2018-09-28 | 2018-11-30 | 山东建筑大学 | A kind of research method of heterogeneous material heat sustained release rule |
| CN114235892A (en) * | 2021-12-17 | 2022-03-25 | 南京林业大学 | Method for testing cold and warm feeling of surface of household wood product |
| CN114441591A (en) * | 2022-01-05 | 2022-05-06 | 电子科技大学 | Device and method for testing thermal radiation cooling rate of high-temperature object |
-
2017
- 2017-07-08 CN CN201720821050.5U patent/CN206892011U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108872308A (en) * | 2018-09-28 | 2018-11-23 | 山东建筑大学 | A kind of detection and research method for ground heating wood floors heat sustained release rule |
| CN108918587A (en) * | 2018-09-28 | 2018-11-30 | 山东建筑大学 | A kind of research method of heterogeneous material heat sustained release rule |
| CN108872308B (en) * | 2018-09-28 | 2021-04-02 | 山东建筑大学 | Detection and research method for ground heating wood floor heat slow-release rule |
| CN114235892A (en) * | 2021-12-17 | 2022-03-25 | 南京林业大学 | Method for testing cold and warm feeling of surface of household wood product |
| CN114441591A (en) * | 2022-01-05 | 2022-05-06 | 电子科技大学 | Device and method for testing thermal radiation cooling rate of high-temperature object |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Wuhu City Kehua Application of New Materials Co.,Ltd. Assignor: Nanjing Forestry University Contract record no.: 2019320000191 Denomination of utility model: Wooden material surface heat -radiating property testing arrangement Granted publication date: 20180116 License type: Common License Record date: 20190620 |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221221 Address after: 1-0890, Office Building A, Baguazhou Science and Technology Innovation Park, No. 268, Lidao Road, Baguazhou Street, Qixia District, Nanjing, Jiangsu Province, 210000 Patentee after: Nanjing Huieryan Material Technology Co.,Ltd. Address before: Nanjing City, Jiangsu province 210037 Longpan Road No. 159 Patentee before: NANJING FORESTRY University |
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| TR01 | Transfer of patent right |