CN207798280U - A kind of double pillar vacuo-junctions - Google Patents
A kind of double pillar vacuo-junctions Download PDFInfo
- Publication number
- CN207798280U CN207798280U CN201820112280.9U CN201820112280U CN207798280U CN 207798280 U CN207798280 U CN 207798280U CN 201820112280 U CN201820112280 U CN 201820112280U CN 207798280 U CN207798280 U CN 207798280U
- Authority
- CN
- China
- Prior art keywords
- pillar
- thermocouple
- outside protective
- terminal box
- gas chamber
- Prior art date
- 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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Abstract
It is disclosed by the utility model to belong to Thermocouples Technology field; specially a kind of double pillar vacuo-junctions; including terminal box; the terminal box bottom end connects thermocouple wire; and thermocouple wire is socketed with ceramic tube; outside protective pipe is connected below the terminal box; and outside protective pipe bottom end connects thermocouple seat; the outside protective pipe middle-end is equipped with gas chamber; and corundum pillar is equipped with below gas chamber; the second protection pipe is equipped with below the thermocouple seat, the thermocouple wire extends to the second protection tube cavity bottom end through ceramic tube, outside protective pipe, gas chamber, corundum pillar, thermocouple seat.The utility model is novel in design; it is reasonable for structure; multi-level seal protection is carried out by the way that ceramic tube, outside protective pipe, corundum pillar, the second protection pipe is arranged, avoids thermocouple core from directly being contacted with high temperature, high pressure and acidic environment, extends the service life of thermocouple core.
Description
Technical field
It is disclosed by the utility model to belong to Thermocouples Technology field, specially a kind of double pillar vacuo-junctions.
Background technology
Current thermocouple detection is to detect the temperature of calandria, in order to measure and control the fusing temperature of silicon material
Degree, in current technique, if only surveying heating temperature with the hermetically sealed corundum thermocouple of one layer of use, thermocouple may
Because gas is heated, external and internal pressure difference, which crosses conference, causes corundum to rupture, and maintenance cost is very high.For this purpose, we have proposed a kind of double
Pillar vacuo-junction comes into operation, to solve the above problems.
Utility model content
The purpose of this utility model is to provide a kind of double pillar vacuo-junctions, to solve to carry in above-mentioned background technology
The pressure difference gone out is excessive, the high problem of maintenance cost.
To achieve the above object, the utility model provides the following technical solutions：A kind of double pillar vacuo-junctions, including connect
Wire box, the terminal box bottom end connects thermocouple wire, and thermocouple wire is socketed with ceramic tube, and outer protect is connected below the terminal box
Pillar, and outside protective pipe bottom end connects thermocouple seat, the outside protective pipe middle-end is equipped with gas chamber, and is equipped with corundum below gas chamber and protects
Pipe, the thermocouple seat lower section are equipped with the second protection pipe, and the thermocouple wire is through ceramic tube, outside protective pipe, gas chamber, corundum shield
Pipe, thermocouple seat extend to the second protection tube cavity bottom end.
Preferably, the terminal box right end is equipped with connecting line exit, and box cover, the wiring are equipped with above the terminal box
Box inner cavity is equipped with installation pedestal, and installation pedestal is equipped with junction block, and the thermocouple wire connects through installation pedestal and junction block
It connects.
Preferably, the plenum roof is equipped with the guide post coordinated with ceramic tube, and the gas chamber right end connects escape pipe.
Preferably, the thermocouple seat includes corundum pillar guiding groove, and limit is equipped with below the corundum pillar guiding groove
Slot, and the seal washer of adaptation is equipped with below limiting slot, the seal washer side, which is equipped with, blocks pressure cap.
Preferably, the ceramic tube is upper and lower ends opening setting, between the terminal box and outside protective pipe, outside protective pipe
It is equipped with connecting flange between gas chamber, between outside protective pipe and thermocouple seat.
Compared with prior art, the utility model has the beneficial effects that：The utility model is novel in design, reasonable for structure, leads to
It crosses setting ceramic tube, outside protective pipe, corundum pillar, the second protection pipe and carries out multi-level seal protection, avoid thermocouple core straight
It connects and is contacted with high temperature, high pressure and acidic environment, extend the service life of thermocouple core, gas chamber design is in corundum pillar and pottery
Air ventilation passage is formed in porcelain tube, can extract air out by the escape pipe of gas chamber right end.The utility model is easy to operate, replaces
Conveniently, manufacturing cost is low, and using effect is good.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model.
In figure：1 terminal box, 11 connecting line exits, 12 box covers, 13 installation pedestals, 14 junction blocks, 2 thermocouple wires, 3 potteries
Porcelain tube, 4 outside protective pipes, 5 thermocouple seats, 51 corundum pillar guiding grooves, 52 limiting slots, 53 seal washers, 54 block pressure cap, 6 gas
Room, 61 guide posts, 62 escape pipes, 7 corundum pillars, 8 second protection pipes, 9 connecting flanges.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Referring to Fig. 1, the utility model provides a kind of technical solution：A kind of double pillar vacuo-junctions, including terminal box
1,1 bottom end of the terminal box connects thermocouple wire 2, and thermocouple wire 2 is socketed with ceramic tube 3, and 1 lower section connection of the terminal box is outer
Protection pipe 4, and 4 bottom end of outside protective pipe connection thermocouple seat 5,4 middle-end of the outside protective pipe is equipped with gas chamber 6, and 6 lower section of gas chamber is set
There are corundum pillar 7,5 lower section of the thermocouple seat to be equipped with the second protection pipe 8, the thermocouple wire 2 is through ceramic tube 2, outer protection
Pipe 4, gas chamber 6, corundum pillar 7, thermocouple seat 5 extend to 8 inner cavity bottom end of the second protection pipe.
Wherein, 1 right end of the terminal box is equipped with connecting line exit 11, and 1 top of the terminal box is equipped with box cover 12, described
1 inner cavity of terminal box is equipped with installation pedestal 13, and installation pedestal 13 is equipped with junction block 14, and the thermocouple wire 2 is through installation base
Seat 13 is connect with junction block 14, and 6 top of the gas chamber is equipped with the guide post 61 coordinated with ceramic tube 3, the connection of 6 right end of the gas chamber
Escape pipe 62, the thermocouple seat 5 include corundum pillar guiding groove 51, and 51 lower section of the corundum pillar guiding groove is equipped with limiting slot
52, and 52 lower section of limiting slot is equipped with the seal washer 53 of adaptation, 53 side of the seal washer, which is equipped with, blocks pressure cap 54, the pottery
Porcelain tube 3 be upper and lower ends opening setting, between the terminal box 1 and outside protective pipe 4, between outside protective pipe 4 and gas chamber 6, outer guarantor
Connecting flange 9 is equipped between pillar 4 and thermocouple seat 5.
Operation principle：2 top of thermocouple wire is connect with junction block 14, the other end passes through the winding of ceramic tube 3 to weld,
Ceramic tube 3 bonds together with junction block 14, and junction block 14 and installation pedestal 13 are installed together, after installation is complete, ceramic tube 3
Lower section outside protective pipe 4 will be passed through, 6 lower section corundum pillar of gas chamber, 7 inner cavity bottom end is extended to through gas chamber 6 by guide post 61, will be led to
It crosses connecting flange 9 to fix 1 bottom end of terminal box and 6 top of gas chamber with outside protective pipe 4, corundum pillar 7 passes through through outside protective pipe 4
The corundum pillar guiding groove 51 being equipped in thermocouple seat 5 extends to 5 lower section 8 inner cavity bottom end of the second protection pipe of thermocouple seat, leads to
It crosses connecting flange 9 to fix 6 bottom end of gas chamber and 5 top of thermocouple seat with outside protective pipe 4, the second protection pipe 8 is placed on thermocouple
It in 5 limiting slots 52 that are equipped with of seat, and seal washer 53 is installed covers and block pressure cap 54 it is fixed, overall package finishes, and makes
Escape pipe 62 is connect, when apparatus cavity vacuumizes, you can to thermoelectricity by the used time by the installation of TC in equipment with apparatus cavity
Even inside is vacuumized, and under the state, the air pressure in double pillar cavitys is consistent with the air pressure in furnace body, then not will produce inside and outside
Pressure difference is avoided in this way during heating, and the expanding gas that high temperature generates leads to pillar explosion, external to have added the again
Two protection pipes 8, increase the protection to thermocouple wire 2, even if 8 fragmentation of the second protection pipe, it is only necessary to replace external second
Protection pipe 8, internal corundum pillar 7 do not need to replace in the case of no damage.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of double pillar vacuo-junctions, including terminal box (1), it is characterised in that：Terminal box (1) bottom end connects thermoelectricity
Thermo wires (2), and thermocouple wire (2) is socketed with ceramic tube (3), and outside protective pipe (4), and outer guarantor are connected below the terminal box (1)
Pillar (4) bottom end connects thermocouple seat (5), and outside protective pipe (4) middle-end is equipped with gas chamber (6), and is equipped with below gas chamber (6) rigid
Beautiful pillar (7), is equipped with the second protection pipe (8) below the thermocouple seat (5), the thermocouple wire (2) through ceramic tube (3),
Outside protective pipe (4), gas chamber (6), corundum pillar (7), thermocouple seat (5) extend to the second protection pipe (8) inner cavity bottom end.
2. a kind of double pillar vacuo-junctions according to claim 1, it is characterised in that：Terminal box (1) right end is set
There is connecting line exit (11), box cover (12) is equipped with above the terminal box (1), terminal box (1) inner cavity is equipped with installation base
Seat (13), and installation pedestal (13) is equipped with junction block (14), the thermocouple wire (2) runs through installation pedestal (13) and junction block
(14) it connects.
3. a kind of double pillar vacuo-junctions according to claim 1, it is characterised in that：It is equipped at the top of the gas chamber (6)
With the guide post (61) of ceramic tube (3) cooperation, gas chamber (6) the right end connection escape pipe (62).
4. a kind of double pillar vacuo-junctions according to claim 1, it is characterised in that：The thermocouple seat (5) includes
Corundum pillar guiding groove (51), corundum pillar guiding groove (51) lower section are equipped with limiting slot (52), and below limiting slot (52)
Seal washer (53) equipped with adaptation, seal washer (53) side, which is equipped with, blocks pressure cap (54).
5. a kind of double pillar vacuo-junctions according to claim 1, it is characterised in that：The ceramic tube (3) is upper and lower
Both ends open be arranged, between the terminal box (1) and outside protective pipe (4), between outside protective pipe (4) and gas chamber (6), outside protective pipe
(4) connecting flange (9) is equipped between thermocouple seat (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820112280.9U CN207798280U (en) | 2018-01-23 | 2018-01-23 | A kind of double pillar vacuo-junctions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820112280.9U CN207798280U (en) | 2018-01-23 | 2018-01-23 | A kind of double pillar vacuo-junctions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207798280U true CN207798280U (en) | 2018-08-31 |
Family
ID=63269378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820112280.9U Expired - Fee Related CN207798280U (en) | 2018-01-23 | 2018-01-23 | A kind of double pillar vacuo-junctions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207798280U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113063147A (en) * | 2021-04-25 | 2021-07-02 | 谢兰军 | Improved structure of ignition device for oxygen-enriched combustor |
-
2018
- 2018-01-23 CN CN201820112280.9U patent/CN207798280U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113063147A (en) * | 2021-04-25 | 2021-07-02 | 谢兰军 | Improved structure of ignition device for oxygen-enriched combustor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180831 Termination date: 20190123 |