CN2798064Y - Platinum-rhodium armoured thermocouple - Google Patents
Platinum-rhodium armoured thermocouple Download PDFInfo
- Publication number
- CN2798064Y CN2798064Y CN200520034450.9U CN200520034450U CN2798064Y CN 2798064 Y CN2798064 Y CN 2798064Y CN 200520034450 U CN200520034450 U CN 200520034450U CN 2798064 Y CN2798064 Y CN 2798064Y
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- CN
- China
- Prior art keywords
- corundum porcelain
- protection tube
- outer protection
- temperature metal
- tube
- Prior art date
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- Expired - Fee Related
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Abstract
The utility model relates to a novel platinum rhodium armoured thermocouple. The utility model is characterized in that a connection box 6 is connected with a high temperature metal outer protection tube 4; the inner end of the high temperature metal outer protection tube 4 is provided with two thermocouple wires 1 which pass through a corundum porcelain tube 2; the end points of the two thermocouple wires and the corundum porcelain tube 2 are covered by a corundum porcelain outer cover 3; the corundum porcelain tube 2 and the corundum porcelain outer cover 3 have concord length, and are arranged in the hot end of the high temperature metal outer protection tube 4; other intermediate medium isolation layers in the high temperature metal outer protection tube 4 are magnesia powder layers 7.
Description
Technical field
The utility model relate to a kind of in high temp. salt smelting furnace, hot blast boiler tube, aluminum solutions, copper solution the continuous temperature measurement parts, particularly a kind of novel platinum Rhodium armoured thermocouple.
Background technology
At present both at home and abroad diameter is in the product of 4mm to 8mm scope in manufacturing industrial novel platinum Rhodium armoured thermocouple specification, adopts thermo wires to add intermediate medium oxide isolation layer magnesium powder with GH3030, GH3039 high-temperature alloy pipe and processes.Because product is when thermometric is more than 1000 ℃, the alloy matter molecule of pyrometer fire-end outer tube is active, pollute thermo wires hot junction silk material by the medium heat osmosis, thereby the proterties of thermo wires is changed, formed the thermoelectrical potential of another kind of material, at this moment error just appears in the potential value that records of thermo wires cold junction, and the temperature that causes observed temperature and platinum Rhodium thermo wires evaluating center to record produces difference, so that observed temperature detects is defective.Even more serious is that the higher product of firing of temperature requirement is caused damage.
Summary of the invention
The utility model purpose provides a kind of high temperature resistant, corrosion-resistant, keeps thermocouple wire in stable condition during work, can measure the novel accurately platinum Rhodium of temperature armoured thermocouple for a long time again under the continuous high temperature condition.
The technical scheme of taking of the present utility model is in order to achieve the above object: a kind of novel platinum Rhodium armoured thermocouple; it is characterized in that terminal box 6 is connected with the outer protection tube 4 of high-temperature metal; in the outer protection tube 4 of high-temperature metal thermo wires 1 is housed; and pass corundum porcelain material pipe 2; the end points 5 in platinum Rhodium thermocouple wire hot junction and corundum porcelain material pipe 2 are all covered by corundum porcelain material outer cover 3, and all the other media are magnesia powder 7 in the pipe.As shown in Figure 1.
Corundum porcelain material pipe 2 and corundum porcelain material outer cover 3 all place in the hot junction of the outer protection tube 4 of high-temperature metal, and the intermediate medium separation layer of remaining is a magnesium oxide bisque 7 in the pipe.As shown in Figure 1, 2.
The utility model has the advantages that:
Employing is used as the protective medium between thermo wires and the outer protection tube through high temperature sintering, the metastable corundum of molecular structure porcelain spare more than 1800 ℃, and it has replaced also using easily in the high-temperature region in the old product and thermo wires interpenetrates rotten, the stable dielectric material magnesia powder of destruction thermo wires running.Adopted multiple field or individual layer corundum porcelain spare to come isolated insulation thermo wires and the outer protection tube of metal simultaneously; pyrometer fire-end has fully been completely cut off pollute under hot environment and improved resistance to corrosion; guaranteed the stable of thermo wires material work; the potential value that records is accurate, and the above reinspection qualification rate of product secondary improves greatly.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is the old product structural representation.
Among the figure: 1, thermo wires; 2, corundum porcelain material pipe; 3, corundum porcelain material outer cover;
4, the outer protection tube of high-temperature metal; 5, end points; 6, terminal box;
7, magnesia powder.
Embodiment
As shown in Figure 1; a kind of novel platinum Rhodium armoured thermocouple is characterized in that terminal box 6 is connected with the outer protection tube 4 of high-temperature metal, and two thermo wires 1 are equipped with in outer protection tube 4 the inners of high-temperature metal; and the end points 5 and the corundum porcelain material pipe 2 that pass 2, two thermocouple wires of corundum porcelain material pipe are covered by corundum porcelain material outer cover 3.
As shown in Figure 1, corundum porcelain material pipe 2 and corundum porcelain material outer cover 3 all place in the hot junction of the outer protection tube 4 of high-temperature metal, and the intermediate medium separation layer of remaining is a magnesium oxide bisque 7 in the pipe.
Fig. 2 is for having now without improved old-fashioned platinum Rhodium armoured thermocouple.
Claims (1)
1, a kind of novel platinum Rhodium armoured thermocouple is characterized in that terminal box 6 is connected with the outer protection tube 4 of high-temperature metal, is equipped with thermo wires 1 in the outer protection tube 4 of high-temperature metal, and passes corundum porcelain material pipe 2; The end points 5 of thermocouple wire and corundum porcelain material pipe 2 are covered by corundum porcelain housing 3; All the other media are magnesia powder 7 in the pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200520034450.9U CN2798064Y (en) | 2005-06-10 | 2005-06-10 | Platinum-rhodium armoured thermocouple |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200520034450.9U CN2798064Y (en) | 2005-06-10 | 2005-06-10 | Platinum-rhodium armoured thermocouple |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2798064Y true CN2798064Y (en) | 2006-07-19 |
Family
ID=36869309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200520034450.9U Expired - Fee Related CN2798064Y (en) | 2005-06-10 | 2005-06-10 | Platinum-rhodium armoured thermocouple |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2798064Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103134686A (en) * | 2012-12-21 | 2013-06-05 | 中国飞行试验研究院 | Water-cooling type measurement rake |
| CN105606241A (en) * | 2015-12-20 | 2016-05-25 | 苏州长风航空电子有限公司 | Filling method for armored thermocouple connection probe |
| CN107271069A (en) * | 2017-07-10 | 2017-10-20 | 安徽徽宁电器仪表集团有限公司 | A kind of Multi-section temperature-measuring formula thermocouple |
| CN109668639A (en) * | 2019-03-01 | 2019-04-23 | 安徽天康(集团)股份有限公司 | A kind of micro armoured watt of temperature thermometer of leakproof |
| CN112543521A (en) * | 2020-12-18 | 2021-03-23 | 中国科学院金属研究所 | Spiral high-temperature armored heater of high-energy propulsion system for satellite |
-
2005
- 2005-06-10 CN CN200520034450.9U patent/CN2798064Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103134686A (en) * | 2012-12-21 | 2013-06-05 | 中国飞行试验研究院 | Water-cooling type measurement rake |
| CN105606241A (en) * | 2015-12-20 | 2016-05-25 | 苏州长风航空电子有限公司 | Filling method for armored thermocouple connection probe |
| CN105606241B (en) * | 2015-12-20 | 2019-01-01 | 苏州长风航空电子有限公司 | The fill method of armoured thermocouple connection probe |
| CN107271069A (en) * | 2017-07-10 | 2017-10-20 | 安徽徽宁电器仪表集团有限公司 | A kind of Multi-section temperature-measuring formula thermocouple |
| CN109668639A (en) * | 2019-03-01 | 2019-04-23 | 安徽天康(集团)股份有限公司 | A kind of micro armoured watt of temperature thermometer of leakproof |
| CN112543521A (en) * | 2020-12-18 | 2021-03-23 | 中国科学院金属研究所 | Spiral high-temperature armored heater of high-energy propulsion system for satellite |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |