CN203455297U - Portable type measuring instrument for heat conductivity coefficient of soft material - Google Patents
Portable type measuring instrument for heat conductivity coefficient of soft material Download PDFInfo
- Publication number
- CN203455297U CN203455297U CN201320506583.6U CN201320506583U CN203455297U CN 203455297 U CN203455297 U CN 203455297U CN 201320506583 U CN201320506583 U CN 201320506583U CN 203455297 U CN203455297 U CN 203455297U
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- CN
- China
- Prior art keywords
- measuring instrument
- chip microcomputer
- metal sleeve
- thermal probe
- portable type
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 239000007779 soft material Substances 0.000 title abstract description 10
- 239000000523 sample Substances 0.000 claims abstract description 24
- 238000010438 heat treatment Methods 0.000 claims description 23
- 239000002184 metal Substances 0.000 claims description 19
- 229910052751 metal Inorganic materials 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 9
- 239000004519 grease Substances 0.000 claims description 7
- 229920001296 polysiloxane Polymers 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 6
- 239000003822 epoxy resin Substances 0.000 claims description 5
- 239000003292 glue Substances 0.000 claims description 5
- 229920000647 polyepoxide Polymers 0.000 claims description 5
- 238000000034 method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
The utility model relates to a portable type measuring instrument for a heat conductivity coefficient of a soft material. The portable type measuring instrument comprises a stabilized voltage power supply, a single chip microcomputer and a thermal probe, wherein the single chip microcomputer and the thermal probe are connected with the stabilized voltage power supply by power lines respectively; the single chip microcomputer and the thermal probe are connected by a signal line. The portable type measuring instrument for the heat conductivity coefficient of the soft material is convenient to carry and simple to operate; data is convenient to read; the portable type measuring instrument is applicable to various soft materials.
Description
Technology neck city
The utility model belongs to field of measuring technique, is specifically related to a kind of Portable soft body material thermal conductivity measuring instrument.
Background technology
The measuring method of coefficient of heat conductivity has a variety of, wherein heat-pole method is the best method of testing of generally acknowledging in international coefficient of heat conductivity research field, but existing heat-pole method instrument measurement range is narrower, can only mensurated gas composition or the single material such as liquid, complicated operation, measuring accuracy also can not be guaranteed.Thermoprobe method based on heat-pole method principle has solved the narrow problem of measurement range, and easy operating, and accuracy is high, saves Measuring Time.But, while measuring by thermoprobe method, needing stabilized voltage supply and data acquisition unit, general data acquisition unit is relatively large, and can not directly read result, carries more inconvenient.
Summary of the invention
The utility model overcomes the deficiencies in the prior art, has proposed a kind of Portable soft body material thermal conductivity measuring instrument, and described measuring instrument is easy to carry, can be used for measuring various soft material coefficient of heat conductivity, can pass through the direct reading result of single-chip microcomputer display screen.
The technical solution of the utility model is: a kind of Portable soft body material thermal conductivity measuring instrument, comprise stabilized voltage supply, single-chip microcomputer and thermal probe, described single-chip microcomputer is connected with stabilized voltage supply respectively by power lead with thermal probe, and single-chip microcomputer is connected by signal wire with thermal probe.
Described thermal probe comprises metal sleeve and heating unit, metal sleeve is cylindrical, and the height of metal sleeve and the ratio range of external diameter are 40-42, and described heating unit is positioned at metal sleeve, in one end of metal sleeve, be provided with insulation end socket, at the outside surface of its other end, scribble epoxide-resin glue.
Inside at heating unit is provided with heat-conducting silicone grease.
On described single-chip microcomputer, be provided with display.In heating unit, be provided with heating copper wire.
The utlity model has following beneficial effect:
1) the utility model replaces data acquisition system (DAS) with the single-chip microcomputer of calculation procedure, and simple to operate, reading out data is convenient;
2) the utility model is applicable to various soft materials, is not limited to a certain special soft material;
3) the utility model measurement mechanism is simple, convenient and swift, is easy to carry.
Accompanying drawing explanation
Fig. 1 is principle schematic of the present utility model;
Fig. 2 is the middle sectional view of thermal probe of the present utility model;
Connection diagram when Fig. 3 is the utility model work.
In figure: 1, stabilized voltage supply; 2, single-chip microcomputer; 3, metal sleeve; 4, heating unit; 5, lead-in wire; 6, epoxide-resin glue; 7, heat-conducting silicone grease; 8, insulation end socket; 9, soft material.
Embodiment:
Referring to shown in Fig. 1 to Fig. 3, the utility model comprises stabilized voltage supply 1, single-chip microcomputer 2 and thermal probe, and described single-chip microcomputer 2 is connected with stabilized voltage supply 1 respectively by power lead with thermal probe, and single-chip microcomputer 2 is connected by signal wire with thermal probe.Described thermal probe comprises metal sleeve 3 and heating unit 4, and described heating unit 4 is positioned at metal sleeve 3, is provided with insulation end socket 8 in one end of metal sleeve 3, at the outside surface of its other end, scribbles epoxide-resin glue 6.Described power lead is connected with heating unit 4 by insulation end socket 8.In the inside of heating unit 4, be provided with heat-conducting silicone grease 7.On described single-chip microcomputer 2, be provided with display.In heating unit 4 shown in Fig. 1, be provided with heating copper wire.Stabilized voltage supply 1 provides constant voltage to heating copper wire, guarantees that the heating power of thermal probe unit length remains unchanged.Thermal probe Main Function is to thrust soft material 9, transmits temperature signal, and heating copper wire is packed in metal sleeve 3, and its gap is filled up with heat-conducting silicone grease 7.When measuring, thermal probe sends temperature signal to connected single-chip microcomputer 2, and single-chip microcomputer 2 is accepted this signal and result is calculated and demonstrated to the program of having compiled and edit by inside.Metal sleeve is cylindrical, and the height of metal sleeve and the ratio range of external diameter are 40-42, and the height that Fig. 2 chooses the metal sleeve 3 of thermal probe is 30mm, and external diameter is 0.7mm, and internal diameter is 0.3mm, and length-diameter ratio is 42, has greatly reduced axial hot-fluid; During making, heating copper wire adopts the enamel-cover copper wire that diameter is 0.05mm, and heating copper wire is smeared heat-conducting silicone grease 7, after coiling 20 circles, inserts in metal sleeve 3, and its gap is filled up with heat-conducting silicone grease 7.Electric welding and lead-in wire 5 welding for two the end of a thread of heating copper wire, thus good electric conductivity guaranteed.After welding, with epoxide-resin glue 6, the two ends of thermal probe are fixed and are encapsulated in the insulation end socket 8 of thermal probe, prevent that lead-in wire from fractureing.
Fig. 3 is connection diagram, according to connection diagram, connects circuit, and thermal probe is thrust to soft material 9 inside, has crossed after 20 ± 5s reading result from the display screen of single-chip microcomputer 2.If continue to measure, thermal probe need be extracted, cooling 3min left and right (naturally cooling) is carried out the next one again and is measured.
Claims (5)
1. a Portable soft body material thermal conductivity measuring instrument, is characterized in that: comprise stabilized voltage supply, single-chip microcomputer and thermal probe, described single-chip microcomputer is connected with stabilized voltage supply respectively by power lead with thermal probe, and single-chip microcomputer is connected by signal wire with thermal probe.
2. Portable soft body material thermal conductivity measuring instrument according to claim 1, it is characterized in that: described thermal probe comprises metal sleeve and heating unit, metal sleeve is cylindrical, the height of metal sleeve and the ratio range of external diameter are 40-42, described heating unit is positioned at metal sleeve, in one end of metal sleeve, be provided with insulation end socket, at the outside surface of its other end, scribble epoxide-resin glue.
3. Portable soft body material thermal conductivity measuring instrument according to claim 2, is characterized in that: the inside at heating unit is provided with heat-conducting silicone grease.
4. according to the Portable soft body material thermal conductivity measuring instrument described in claim 1 or 2 or 3, it is characterized in that: on described single-chip microcomputer, be provided with display.
5. according to the Portable soft body material thermal conductivity measuring instrument described in claim 2 or 3, it is characterized in that: in heating unit, be provided with heating copper wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320506583.6U CN203455297U (en) | 2013-08-20 | 2013-08-20 | Portable type measuring instrument for heat conductivity coefficient of soft material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320506583.6U CN203455297U (en) | 2013-08-20 | 2013-08-20 | Portable type measuring instrument for heat conductivity coefficient of soft material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203455297U true CN203455297U (en) | 2014-02-26 |
Family
ID=50135163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320506583.6U Expired - Fee Related CN203455297U (en) | 2013-08-20 | 2013-08-20 | Portable type measuring instrument for heat conductivity coefficient of soft material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203455297U (en) |
-
2013
- 2013-08-20 CN CN201320506583.6U patent/CN203455297U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140226 Termination date: 20140820 |
|
| EXPY | Termination of patent right or utility model |