CN207197691U - A kind of insertion-type thermocouple for melten glass liquid thermometric - Google Patents
A kind of insertion-type thermocouple for melten glass liquid thermometric Download PDFInfo
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- CN207197691U CN207197691U CN201721102285.5U CN201721102285U CN207197691U CN 207197691 U CN207197691 U CN 207197691U CN 201721102285 U CN201721102285 U CN 201721102285U CN 207197691 U CN207197691 U CN 207197691U
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- rhodium
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Abstract
The utility model discloses a kind of insertion-type thermocouple for melten glass liquid thermometric, it includes Type B terminal box, high-temperature steel support tube, adpting flange, the platinum-rhodium alloy sleeve pipe of one end closing, diplopore earthenware and double platinum rhodium thermocouple wire, high-temperature steel support tube one end is fixedly connected with Type B terminal box, the openend of the other end of high-temperature steel support tube and platinum-rhodium alloy sleeve pipe is welded and fixed, high-temperature steel support tube forms the cavity of one end closing with platinum-rhodium alloy sleeve pipe, the two poles of the earth of double platinum rhodium thermocouple wire are each passed through to weld together after the through hole of diplopore earthenware and form thermometric end and be placed in the cavity that high-temperature steel support tube and platinum-rhodium alloy sleeve pipe are formed, there is junction block in Type B terminal box, the other end of double platinum rhodium thermocouple wire is fixed on the junction block of Type B terminal box, adpting flange is fixed on high-temperature steel support tube.The thermocouple has high temperature resistant, corrosion-resistant, simple in construction, and resistance to shock is good, and the depth in adjustable middle protection sleeve pipe insertion test system.
Description
Technical field
It the utility model is related to the insertion-type thermocouple of thermocouple, more particularly, to melten glass liquid thermometric.
Background technology
Glass processing first stage, it is necessary to which that quartz sand, glass fragment, lime and sodium carbonate etc. are put into temperature is high
Fully melted in up to 1600 DEG C of melting furnaces, form molten glass.In the process, it is necessary to enter to fusing in-furnace temperature
Row monitoring in real time and control.
Because fusing in-furnace temperature is up to 1600 DEG C, and composition of raw material is complicated in stove, material formation etc. in stove under high temperature
Ionic condition has higher corrosion failure ability, and existing thermocouple is not used in the environment.
Thermometric is generally carried out using infrared thermometer at present, but shortcoming is more：1st, it is only capable of measurement surface temperature, it has not been convenient to
Temperature when measuring interior of articles and barrier be present, melting furnace refractory material wall thickness influence very big more than 600mm for thermometric；
2nd, it is more by environmental disturbances, such as environment temperature, dust in air, light etc. can cause measured value inaccurate；3rd, temperature measurer
Perpendicular alignmnet testee surface is wanted, under any circumstance, angle is all no more than 30 DEG C, so whard to control.
Utility model content
The utility model is directed to the proposition of problem above, a kind of and plug-in type for melten glass liquid thermometric of research and design
Thermocouple, it has the advantages that simple in construction, stability is good, service life length, and the thermometric upper limit is high.
A kind of insertion-type thermocouple for melten glass liquid thermometric, including Type B terminal box, high-temperature steel support tube, connection
Flange, platinum-rhodium alloy sleeve pipe, diplopore earthenware and the double platinum rhodium thermocouple wire of one end closing；Described high-temperature steel support tube one end
It is fixedly connected with the Type B terminal box, the openend of the other end of the high-temperature steel support tube and the platinum-rhodium alloy sleeve pipe is welded
Fixation is connect, the high-temperature steel support tube forms the cavity of one end closing, the double platinum rhodium thermocouple with the platinum-rhodium alloy sleeve pipe
The two poles of the earth of silk are each passed through after the through hole of the diplopore earthenware to weld together and form thermometric end and be placed in the high-temperature steel branch
In the cavity that stay tube and platinum-rhodium alloy sleeve pipe are formed, there is junction block in the Type B terminal box, the double platinum rhodium thermocouple wire
The other end is fixed on the junction block of the Type B terminal box, and the adpting flange is fixed on the high-temperature steel support tube；
Further, the high-temperature steel support tube is fixedly connected with the platinum-rhodium alloy bushing vacuum soldering；
Further, the end of the diplopore earthenware has a groove, and the thermometric end of the double platinum rhodium thermocouple wire is put
In in the groove；
Further, the adpting flange includes the connecting plate with least two through holes of lower end and is fixed on connecting plate
The locking sleeve at center, there is a locking flange along the locking sleeve axial direction on the locking sleeve outer wall, in institute
Stating has a longitudinal opening along the locking sleeve axial direction on locking flange, have along the locking flange thickness direction
There is bolt connecting hole；
Further, the double platinum rhodium thermocouple wire is connected to one end of the junction block of the Type B terminal box and is also coated with ring
Oxygen resin glue.
Compared with the prior art, a kind of insertion-type thermocouple for melten glass liquid thermometric described in the utility model has
There is following beneficial effect：(1) thermocouple both ensure that thermocouple had using high-temperature steel support tube connection platinum-rhodium alloy sleeve pipe
Higher heat resistance, it is not easy to be corroded and worn by high temperature material, while also avoids the sleeve pipe of thermocouple from integrally being closed using platinum rhodium
Manufacturing cost increase caused by gold；(2) it is fixedly connected between platinum-rhodium alloy sleeve pipe and high-temperature steel support tube by vacuum brazing, can
To increase corrosion resistance, save a large amount of expensive noble metal brazing fluxes, while reduce solder flux matting, and with preferable
Resistance to shock；(3) thermometric end of double platinum rhodium thermocouple wire is placed in the groove of the end of diplopore earthenware, has both been ensured by platinum rhodium
The heat of alloy sleeve transmission can directly act on the thermometric end with thermocouple, while avoid thermocouple wire directly to be closed with platinum rhodium again
Gold directly contact influences the insulating properties of thermocouple；(4) there is longitudinal opening in the side wall of adpting flange, connection method can be caused
Orchid can adjust position on the high-temperature steel support tube for be connected to thermocouple, so as to change the depth in thermocouple insertion test system
To realize the temperature survey of different depth.
Brief description of the drawings
Fig. 1 is the structure chart of thermocouple of the present utility model；
Fig. 2 is the top view of the Type B terminal box of the thermocouple of utility model；
Fig. 3 is the cut-away view of the thermocouple of utility model；
Fig. 4 is the partial enlarged drawing at A in Fig. 3；
Fig. 5 is the structure chart of adpting flange.
In figure：1st, Type B terminal box, 2, high-temperature steel support tube, 3, adpting flange, 4, platinum-rhodium alloy sleeve pipe, 5, diplopore ceramics
Pipe, 6, double platinum rhodium thermocouple wire, 7, connecting seat, 8, cavity, 31, connecting plate, 32, locking sleeve, 33, locking flange, 34, longitudinal direction
Opening, 35, bolt connecting hole, 51, groove.
Embodiment
As shown in Figure 1, Figure 2 and Figure 3, a kind of plug-in type thermoelectricity for melten glass liquid thermometric disclosed in the utility model
It is even, including Type B terminal box 1, high-temperature steel support tube 2, adpting flange 3, platinum-rhodium alloy sleeve pipe 4, the diplopore earthenware 5 of one end closing
And double platinum rhodium thermocouple wire 6；Described one end of high-temperature steel support tube 2 is fixedly connected with the Type B terminal box 1, the high-temperature steel
The openend of the other end of support tube 2 and the platinum-rhodium alloy sleeve pipe 4 is welded to connect by vacuum brazing, the high-temperature steel
Support tube 2 forms the cavity 8 of one end closing with the platinum-rhodium alloy sleeve pipe 4, and the two poles of the earth of the double platinum rhodium thermocouple wire 6 are worn respectively
Weld together composition thermometric end after crossing the through hole of the diplopore earthenware 5, diplopore earthenware 5 and double platinum rhodium thermocouple wire 6 connect
It is placed in after connecing in the cavity 8 that the high-temperature steel support tube 2 and platinum-rhodium alloy sleeve pipe 4 are formed, has in the Type B terminal box 1 and connect
Line seat 7, the other end of the double platinum rhodium thermocouple wire 6 are fixed on the junction block 7 of the Type B terminal box 1, double platinum rhodium thermocouple
Silk 6 carries out injection epoxide-resin glue after being connected on junction block 7 to its tie point, makes it have stronger switching performance, double
The company being connected on junction block 7 with diplopore earthenware is filled on the one ends wound that hole earthenware 5 is connected with junction block 7 after insulating tape
Hole is connect, and the adpting flange 3 is fixed on the upper end of the high-temperature steel support tube 2, thermocouple can be fixed by adpting flange 3
In the enterprising trip temperature measurement of test system.
As shown in Figure 3 and Figure 4, the bottom of the diplopore earthenware 5 has a groove 51, the double platinum rhodium thermocouple wire
6 thermometric end is placed in the groove 51, and both ensure that can directly act on thermocouple by the heat of platinum-rhodium alloy sleeve pipe
The thermometric end of silk, at the same can avoid again thermocouple wire and platinum-rhodium alloy set tube wall contact and sleeve pipe in be ionized air
Directly with its insulating properties of thermocouple wire function influence.
Further, as shown in figure 5, the adpting flange 3 includes the connecting plate 31 with least two through holes of lower end
With the locking sleeve 32 for being fixed on the center of connecting plate 31, along the axial direction side of locking sleeve 32 on the outer wall of locking sleeve 32
To with a locking flange 33, there is one along the axial direction of locking sleeve 32 in the middle position of locking flange 33
Longitudinal opening 34, there is bolt connecting hole 35 along the thickness direction of locking flange 33.Bolt connecting hole 35 can be longitudinal direction
34 both sides that are open have identical through-hole structure, are inserted by bolt in through hole, and fixed with nut check.Bolt connecting hole 35
Can also be that side is through-hole structure, opposite side is thread pore structure, and bolt connects through through hole and in the screwed hole of opposite side,
So as to the high-temperature steel support tube 2 that is locked.Due to using the adpting flange with longitudinal opening structure so that can be to connection method
Blue locking flange is opened and is locked and then can adjusted the position that adpting flange is fixed on high-temperature steel support tube, so as to
The depth in thermocouple insertion test system can be changed, and then measure the temperature at test system different depth position.
It is described above, the only preferable embodiment of the utility model, but the scope of protection of the utility model is not
This is confined to, any one skilled in the art is in the technical scope that the utility model discloses, according to this practicality
New technical scheme and its inventive concept is subject to equivalent substitution or change, should all cover the scope of protection of the utility model it
It is interior.
Claims (4)
- A kind of 1. insertion-type thermocouple for melten glass liquid thermometric, it is characterised in that：Including Type B terminal box (1), high-temperature steel Support tube (2), adpting flange (3), platinum-rhodium alloy sleeve pipe (4), diplopore earthenware (5) and the double platinum rhodium thermocouple of one end closing Silk (6)；Described high-temperature steel support tube (2) one end is fixedly connected with the Type B terminal box (1), the high-temperature steel support tube (2) The other end and the openend of the platinum-rhodium alloy sleeve pipe (4) are welded and fixed, the high-temperature steel support tube (2) and the platinum-rhodium alloy Sleeve pipe (4) forms the cavity (8) of one end closing, and the two poles of the earth of the double platinum rhodium thermocouple wire (6) are each passed through the diplopore ceramics Composition thermometric end is welded together after the through hole of pipe (5) and is placed in the high-temperature steel support tube (2) and platinum-rhodium alloy sleeve pipe (4) shape Into cavity (8) in, there is junction block (7) in the Type B terminal box (1), the other end of the double platinum rhodium thermocouple wire (6) is consolidated It is scheduled on the junction block (7) of the Type B terminal box (1), the adpting flange (3) is fixed on the high-temperature steel support tube (2), The adpting flange (3) includes the connecting plate (31) with least two through holes of lower end and is fixed on connecting plate (31) center Locking sleeve (32), there is a locking flange along the locking sleeve (32) axial direction on the locking sleeve (32) outer wall (33), there is a longitudinal opening (34) along the locking sleeve (32) axial direction, edge on the locking flange (33) Locking flange (33) thickness direction has bolt connecting hole (35).
- 2. the insertion-type thermocouple according to claim 1 for melten glass liquid thermometric, it is characterised in that：The high temperature Bracing members pipe (2) is fixedly connected with platinum-rhodium alloy sleeve pipe (4) vacuum brazing.
- 3. the insertion-type thermocouple according to claim 2 for melten glass liquid thermometric, it is characterised in that：The diplopore The end of earthenware (5) has a groove (51), and the thermometric end of the double platinum rhodium thermocouple wire (6) is placed in the groove (51) It is interior.
- 4. the insertion-type thermocouple according to claim 1 for melten glass liquid thermometric, it is characterised in that：Double platinum One end that rhodium thermocouple silk (6) is connected to the junction block (7) of the Type B terminal box (1) is also coated with epoxide-resin glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721102285.5U CN207197691U (en) | 2017-08-30 | 2017-08-30 | A kind of insertion-type thermocouple for melten glass liquid thermometric |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721102285.5U CN207197691U (en) | 2017-08-30 | 2017-08-30 | A kind of insertion-type thermocouple for melten glass liquid thermometric |
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| Publication Number | Publication Date |
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| CN207197691U true CN207197691U (en) | 2018-04-06 |
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| CN201721102285.5U Active CN207197691U (en) | 2017-08-30 | 2017-08-30 | A kind of insertion-type thermocouple for melten glass liquid thermometric |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109719410A (en) * | 2018-12-28 | 2019-05-07 | 无锡英特派金属制品有限公司 | TFT path thermocouple welding assembly method |
| CN113532673A (en) * | 2021-07-20 | 2021-10-22 | 鑫国集团有限公司 | High-precision platinum-rhodium thermocouple |
| CN114112078A (en) * | 2021-11-10 | 2022-03-01 | 中国科学院上海光学精密机械研究所 | Direct measuring device for glass melt temperature |
-
2017
- 2017-08-30 CN CN201721102285.5U patent/CN207197691U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109719410A (en) * | 2018-12-28 | 2019-05-07 | 无锡英特派金属制品有限公司 | TFT path thermocouple welding assembly method |
| CN113532673A (en) * | 2021-07-20 | 2021-10-22 | 鑫国集团有限公司 | High-precision platinum-rhodium thermocouple |
| CN114112078A (en) * | 2021-11-10 | 2022-03-01 | 中国科学院上海光学精密机械研究所 | Direct measuring device for glass melt temperature |
| CN114112078B (en) * | 2021-11-10 | 2023-12-01 | 中国科学院上海光学精密机械研究所 | Glass melt temperature direct measuring device |
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