CN109142431A - A kind of Guarded hot plate heat conductivity measuring device - Google Patents
A kind of Guarded hot plate heat conductivity measuring device Download PDFInfo
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- CN109142431A CN109142431A CN201810795734.1A CN201810795734A CN109142431A CN 109142431 A CN109142431 A CN 109142431A CN 201810795734 A CN201810795734 A CN 201810795734A CN 109142431 A CN109142431 A CN 109142431A
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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 discloses a kind of Guarded hot plate heat conductivity measuring devices, are related to thermal conductivity measurement technical field.Including lower experiment casing, upper experiment casing and supporting plate, lower one surface of experiment casing is fixed with several guide posts, and several one surfaces of guide post are fixed with experiment casing, supporting plate week side be fixed with several guide sleeves, one surface of supporting plate is fixed with cylinder.The present invention is fixed with hot plate on the supporting plate moved up and down by cylinder by design, sample block is limited in by lower guarded hot plate and prevents from deviating on hot plate, starting cylinder supporting plate moves upwards completes the installation of sample block in place, it is easy to operate, the fixed interior adiabatic cylinder in lower experiment casing, the fixed outer adiabatic cylinder in upper experiment casing, supporting plate forms a closed thermal insulative test environment afterwards in place, mention the precision of overtesting data, solve existing Guarded hot plate measurement when operate it is more troublesome not have Packed environment, error of test data caused to increase the problem of.
Description
Technical field
The invention belongs to thermal conductivity measurement technical fields, fill more particularly to a kind of Guarded hot plate thermal conductivity measurement
It sets.
Background technique
Thermal coefficient is also known as thermal conductivity, is the physical quantity for characterizing material conducts heat ability, refers to unit temperature in the unit time
What variation generated, perpendicular to homogeneous material surface direction, the constant heat flux that passes through in unit thickness, unit area.It is to identify
The outstanding feature of material thermal insulation property or heating conduction quality.With the rise of new material, the test of thermal coefficient is needed
Ask more and more, and the research of experimental measurement method various for thermal coefficient is also increasing.The measuring method of thermal coefficient
Now have been developed a variety of, they have different suitable application areas, measurement range, precision, accuracy and specimen size requirement etc., different
Method might have biggish difference to the measurement result of same sample, therefore it is primary for selecting suitable test method.
Guarded hot plate, suitable for low thermally conductive heat preservation class material tests, 0.010~2.0W/ of test scope (m*K),
Application field is close with heat-flow meter method, and feature is using absolute method or arbitration law, and sample size is big, and specification is more, can measure non-equal
Even sample.It is the highest method of accuracy generally acknowledged at present, can be used for the calibration of authentic specimen and the calibration of other instruments.
It operates more troublesome not have Packed environment when Guarded hot plate measures at present, error of test data is caused to increase
Greatly.
Summary of the invention
The purpose of the present invention is to provide a kind of Guarded hot plate heat conductivity measuring devices, are subtracted by the design of single sample
Few sample quantities, design can be by being fixed with hot plate on supporting plate that cylinder moves up and down, the upper experiment casing of design is fixed with
Cold plate, sample block are placed on starting cylinder supporting plate on hot plate and move upwards in place i.e. completion sample block installation, and structure is simple, easy to operate,
Fixed interior adiabatic cylinder in lower experiment casing, the fixed outer adiabatic cylinder in upper experiment casing, formation one is close afterwards in place for supporting plate
The thermal insulative test environment closed, mentions the precision of overtesting data, operates when solving the measurement of existing Guarded hot plate more troublesome
The problem of not have Packed environment, error of test data is caused to increase.
In order to solve the above technical problems, the present invention is achieved by the following technical solutions:
The present invention is a kind of Guarded hot plate heat conductivity measuring device, including lower experiment casing, upper experiment casing and support
Plate, lower one surface of experiment casing are fixed with several guide posts；Several one surfaces of the guide post are fixed with experiment casing；It is described
Supporting plate week, side was fixed with several guide sleeves；The guide sleeve is slidably connected with guide post；One surface of supporting plate is fixed with cylinder；It is described
Another surface of supporting plate is fixed with interior adiabatic cylinder；The interior adiabatic cylinder inner surface is fixed with lower guarded hot plate；The lower guarded hot plate
Inner surface is fixed with a back guarded hot plate；One surface of back guarded hot plate is fixed with heating plate；One surface of heating plate is fixed with
Hot plate；One surface of hot plate is provided with the first thermometer hole；One surface of upper experiment casing is fixed with outer adiabatic cylinder；It is described outer
Adiabatic cylinder inner surface is fixed with guarded hot plate；The upper guarded hot plate inner surface is fixed with heat-insulating shield；One surface of heat-insulating shield
It is fixed with cooling device；One surface of cooling device is fixed with cold plate；One surface of cold plate is provided with the second thermometer hole.
Further, one surface of lower guarded hot plate is higher than one surface 5mm-10mm of hot plate.
Further, the interior adiabatic cylinder and outer adiabatic cylinder are hollow cylinder structure；In the interior adiabatic cylinder
Surface and outer adiabatic cylinder outer surface clearance fit.
Further, the cooling device includes semiconductor chilling plate.
Further, the upper experiment casing is provided with the first L-type wire guide；The first L-type wire guide and the second thermometric
Hole perforation；Second thermometer hole is internally provided with the second platinum resistance thermometer.
Further, one surface of interior adiabatic cylinder is provided with the second L-type wire guide；The second L-type wire guide runs through
Lower one surface of guarded hot plate and the first thermometer hole penetrate through；First thermometer hole is internally provided with the first platinum resistance thermometer.
Further, lower experiment casing one side face is provided with round hole；The circle internal surface of hole is fixed with cylinder；Institute
It states lower one surface of experiment casing and is fixed with several supporting elements；The supporting element includes support column and adjusting bolt；The supporting element
One surface is provided with rubber pad；The lower experiment casing is rectangular parallelepiped structure；The lower experiment casing is provided with instrument face plate.
Further, one surface of hot plate is provided with sample block.
The invention has the following advantages:
1, the present invention reduces sample quantities by the design of single sample, solid on the supporting plate of design moved up and down by cylinder
Surely there is hot plate, the upper experiment casing of design is fixed with cold plate, and sample block is placed on hot plate, and sample block is limited on hot plate by lower guarded hot plate
It prevents from deviating, starting cylinder supporting plate moves upwards completes the installation of sample block in place, and structure is simple, easy to operate.
2, the present invention is by interior adiabatic cylinder fixed in lower experiment casing, the fixed outer insulation circle in upper experiment casing
Cylinder, supporting plate form a closed thermal insulative test environment afterwards in place, mention the precision of overtesting data.
Certainly, it implements any of the products of the present invention and does not necessarily require achieving all the advantages described above at the same time.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will be described below to embodiment required
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is a kind of structural schematic diagram of Guarded hot plate heat conductivity measuring device of the present invention；
Fig. 2 is main view of the invention；
Fig. 3 is the cross-sectional view in Fig. 2 at A-A；
In attached drawing, parts list represented by the reference numerals are as follows:
Experiment casing under 1-, the upper experiment casing of 2-, 3- supporting plate, 4- guide sleeve, 5- guide post, adiabatic cylinder in 6- protect heat under 7-
Plate, 8- sample block, the outer adiabatic cylinder of 9-, 10- back guarded hot plate, 11- heating plate, 12- hot plate, 13- heat-insulating shield, 14- cooling device,
15- cold plate, 16- the first L-type wire guide, 17- the second L-type wire guide, the first thermometer hole of 18-, the second thermometer hole of 19-, 20- gas
Cylinder, 21- supporting element, 22- instrument face plate.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " aperture ", "upper", "lower", " thickness ", "top", " in ",
Indicating positions or the positional relationship such as " length ", "inner", " surrounding ", are merely for convenience of description of the present invention and simplification of the description, without
It is that the component of indication or suggestion meaning or element must have a particular orientation, is constructed and operated in a specific orientation, therefore not
It can be interpreted as limitation of the present invention.
It please refers to shown in Fig. 1-3, the present invention is a kind of Guarded hot plate heat conductivity measuring device, including lower experiment casing
1, upper experiment casing 2 and supporting plate 3, lower 1 one surface of experiment casing is fixed, and there are four guide posts 5；Four 5 one surfaces of guide post are fixed with
Experiment casing 2；
3 weeks sides of supporting plate are fixed with four guide sleeves 4；Guide sleeve 4 is slidably connected with guide post 5；3 one surface of supporting plate is fixed with cylinder
20；Another surface of supporting plate 3 is fixed with interior adiabatic cylinder 6；Interior 6 inner surface of adiabatic cylinder is fixed with lower guarded hot plate 7；Lower guarded hot plate 7
Inner surface is fixed with a back guarded hot plate 10；Back 10 1 surface of guarded hot plate is fixed with heating plate 11；11 1 surface of heating plate is fixed with
Hot plate 12；12 1 surface of hot plate is provided with the first thermometer hole 18；
Upper 2 one surface of experiment casing is fixed with outer adiabatic cylinder 9；Outer 9 inner surface of adiabatic cylinder is fixed with guarded hot plate 23；
Upper 23 inner surface of guarded hot plate is fixed with heat-insulating shield 13；13 1 surface of heat-insulating shield is fixed with cooling device 14；14 1 table of cooling device
Face is fixed with cold plate 15；15 1 surface of cold plate is provided with the second thermometer hole 19.
Wherein, as shown in figure 3,7 one surface of lower guarded hot plate is higher than 12 1 surface 5mm-10mm of hot plate.
Wherein, as shown in Figure 1, interior adiabatic cylinder 6 and outer adiabatic cylinder 9 are hollow cylinder structure；In interior adiabatic cylinder 6
Surface and outer 9 outer surface clearance fit of adiabatic cylinder.
Wherein, cooling device 14 includes semiconductor chilling plate.
Wherein, upper experiment casing 2 is provided with the first L-type wire guide 16；First L-type wire guide 16 is passed through with the second thermometer hole 19
It is logical；Second thermometer hole 19 is internally provided with the second platinum resistance thermometer.
Wherein, interior 6 one surface of adiabatic cylinder is provided with the second L-type wire guide 17；Second L-type wire guide 17 runs through lower guarded hot plate
7 one surfaces and the first thermometer hole 18 penetrate through；First thermometer hole 18 is internally provided with the first platinum resistance thermometer.
Wherein, as shown in figure 3,1 one side face of lower experiment casing is provided with round hole；Round internal surface of hole is fixed with cylinder 20；
Lower 1 one surface of experiment casing is fixed, and there are four supporting elements 21；Supporting element 21 includes support column and adjusting bolt；21 1 table of supporting element
Face is provided with rubber pad；Lower experiment casing 1 is rectangular parallelepiped structure；Lower experiment casing 1 is provided with instrument face plate 22,12 1 table of hot plate
Face is provided with sample block 8.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one implementation of the invention
In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.
Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples to close
Suitable mode combines.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to better explain the present invention
Principle and practical application, so that skilled artisan be enable to better understand and utilize the present invention.The present invention is only
It is limited by claims and its full scope and equivalent.
Claims (8)
1. a kind of Guarded hot plate heat conductivity measuring device, it is characterised in that: including lower experiment casing (1), upper experiment casing
(2) and supporting plate (3), lower (1) one surface of experiment casing are fixed with several guide posts (5)；Several (5) one surfaces of the guide post are solid
Surely there are upper experiment casing (2)；
The all sides of the supporting plate (3) are fixed with several guide sleeves (4)；The guide sleeve (4) is slidably connected with guide post (5)；The supporting plate
(3) one surfaces are fixed with cylinder (20)；Another surface of the supporting plate (3) is fixed with interior adiabatic cylinder (6)；The interior adiabatic cylinder
(6) inner surface is fixed with lower guarded hot plate (7)；Lower guarded hot plate (7) inner surface is fixed with a back guarded hot plate (10)；The back shield
(10) one surface of hot plate is fixed with heating plate (11)；(11) one surface of heating plate is fixed with hot plate (12)；The hot plate
(12) one surfaces are provided with the first thermometer hole (18)；
(2) one surface of upper experiment casing is fixed with outer adiabatic cylinder (9)；Outer adiabatic cylinder (9) inner surface is fixed with
Upper guarded hot plate (23)；Upper guarded hot plate (23) inner surface is fixed with heat-insulating shield (13)；(13) one surface of heat-insulating shield is fixed
There are cooling device (14)；(14) one surface of cooling device is fixed with cold plate (15)；(15) one surface of cold plate is provided with
Two thermometer holes (19).
2. a kind of Guarded hot plate heat conductivity measuring device according to claim 1, which is characterized in that the lower shield heat
(7) one surface of plate is higher than (12) one surface 5mm-10mm of hot plate.
3. a kind of Guarded hot plate heat conductivity measuring device according to claim 1, which is characterized in that the interior insulation
Cylinder (6) and outer adiabatic cylinder (9) are hollow cylinder structure；Interior adiabatic cylinder (6) inner surface and outer adiabatic cylinder (9)
Outer surface clearance fit.
4. a kind of Guarded hot plate heat conductivity measuring device according to claim 1, which is characterized in that the cooling dress
Setting (14) includes semiconductor chilling plate.
5. a kind of Guarded hot plate heat conductivity measuring device according to claim 1, which is characterized in that the upper test
Cabinet (2) is provided with the first L-type wire guide (16)；The first L-type wire guide (16) and the second thermometer hole (19) penetrate through；Described
Two thermometer holes (19) are internally provided with the second platinum resistance thermometer.
6. a kind of Guarded hot plate heat conductivity measuring device according to claim 1, which is characterized in that the interior insulation
(6) one surface of cylinder is provided with the second L-type wire guide (17)；The second L-type wire guide (17) runs through lower (7) one surface of guarded hot plate
It is penetrated through with the first thermometer hole (18)；First thermometer hole (18) is internally provided with the first platinum resistance thermometer.
7. a kind of Guarded hot plate heat conductivity measuring device according to claim 1, which is characterized in that the lower test
Cabinet (1) one side face is provided with round hole；The circle internal surface of hole is fixed with cylinder (20)；(1) one table of lower experiment casing
Face is fixed with several supporting elements (21)；The supporting element (21) includes support column and adjusting bolt；(21) one table of supporting element
Face is provided with rubber pad；The lower experiment casing (1) is rectangular parallelepiped structure；The lower experiment casing (1) is provided with instrument face plate
(22)。
8. a kind of Guarded hot plate heat conductivity measuring device according to claim 1, which is characterized in that the hot plate
(12) one surfaces are provided with sample block (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810795734.1A CN109142431A (en) | 2018-07-19 | 2018-07-19 | A kind of Guarded hot plate heat conductivity measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810795734.1A CN109142431A (en) | 2018-07-19 | 2018-07-19 | A kind of Guarded hot plate heat conductivity measuring device |
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| Publication Number | Publication Date |
|---|---|
| CN109142431A true CN109142431A (en) | 2019-01-04 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810795734.1A Pending CN109142431A (en) | 2018-07-19 | 2018-07-19 | A kind of Guarded hot plate heat conductivity measuring device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111579581A (en) * | 2020-04-30 | 2020-08-25 | 国联汽车动力电池研究院有限责任公司 | Method and device for measuring heat conductivity coefficient of lithium ion battery cell |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111579581A (en) * | 2020-04-30 | 2020-08-25 | 国联汽车动力电池研究院有限责任公司 | Method and device for measuring heat conductivity coefficient of lithium ion battery cell |
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