CN106644135A - Thermocouple temperature-measuring device for vacuum furnace - Google Patents
Thermocouple temperature-measuring device for vacuum furnace Download PDFInfo
- Publication number
- CN106644135A CN106644135A CN201510711880.8A CN201510711880A CN106644135A CN 106644135 A CN106644135 A CN 106644135A CN 201510711880 A CN201510711880 A CN 201510711880A CN 106644135 A CN106644135 A CN 106644135A
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- CN
- China
- Prior art keywords
- thermocouple
- seat
- vacuum drying
- drying oven
- measuring apparatus
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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.)
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Abstract
The invention belongs to the technical field of vacuum furnace equipment, specifically a thermocouple temperature-measuring device for a vacuum furnace. The device comprises a magnetic-assistant electric contact pressure meter, an insulating cover, a hand-operated inflation valve, a thermocouple seat, a thermocouple, and a central connection pipe. The thermocouple is inserted in an installation hole on the thermocouple seat, and two ends of the thermocouple are respectively exposed at two sides of the thermocouple seat. One end of the central connection pipe is in sealed connection with the thermocouple seat, and the other end of the central connection pipe is in sealed connection with the sealing cover. The output end of the thermocouple is accommodated in the central connection pipe, and is connected with two bonding posts on the insulating cover. A side wall of the central connection pipe is provided with two vent holes, and the two vent holes are connected with the magnetic-assistant electric contact pressure meter and the hand-operated inflation valve through a pressure meter connection pipe and an inflation valve connection pipe. The device is simple in structure, is convenient for the replacement of parts, reduces the maintenance cost, and improves the use safety of the thermocouple of the vacuum furnace.
Description
Technical field
The invention belongs to vacuum drying oven equipment technical field, specifically a kind of vacuum drying oven thermocouple temperature measurement dress
Put.
Background technology
It is one of temperature measurement of vacuum furnace major way using thermocouple measurement the temp. in vacuum furnace, can be accurately fast
Temperature during heating in speed measurement vacuum drying oven stove.Because vacuum drying oven there are certain requirements to sealing, and thermocouple
Installing needs the perforate on body of heater, therefore the requirement of sealing property is it is also proposed to thermocouple, thermocouple sealing
The quality of performance be directly connected to vacuum drying oven can touch the mark require and stove service behaviour.
If existing industrial thermocouple, once protection pipe is impaired, connects will vacuum drying oven using on vacuum drying oven
Air, breaks ring its sealing, aoxidizes workpiece, or even makes vacuum drying oven inner heating device oxidation damage.
The content of the invention
For the problems referred to above, it is an object of the invention to provide a kind of vacuum drying oven thermocouple temperature measuring apparatus.Should
Apparatus structure is simple, is conveniently replaceable part, reduces maintenance cost.
To achieve these goals, the present invention is employed the following technical solutions：
A kind of vacuum drying oven thermocouple temperature measuring apparatus, including magnetic help formula electro connecting pressure gauge, gauge manifold,
Insulating lid, charge valve adapter, manual charge valve, thermocouple seat, thermocouple and middle adapter, wherein thermoelectricity
In the installing hole being occasionally inserted on thermocouple seat and two ends are respectively exposed to the both sides of the thermocouple seat, described
One end of middle adapter is tightly connected with the thermocouple seat, and the other end is tightly connected with insulating lid, the heat
The output end of galvanic couple be placed in the middle adapter and with two wiring being arranged on the insulating lid
Post connects, and the side wall of the middle adapter is provided with two passages, and two passages pass through pressure gauge
Adapter and charge valve adapter help respectively formula electro connecting pressure gauge and manual charge valve to be connected with magnetic.
The threaded one end that the thermocouple seat is connected with the middle adapter is connected with pressure cap, the pressure cap and institute
State and black box is provided between thermocouple seat, the thermocouple passes through the black box and pressure cap and passes through
The pressure cap is fixed.
The thermocouple seat is provided with the ladder coaxial with the installing hole with one end that the middle adapter is connected
The black box and pressure cap are sequentially provided with from inside to outside in hole, the shoulder hole.
Described two passages are symmetricly set in the both sides of the middle adapter.
One end of the binding post is passed by the hole that the insulating lid is provided with and is fixed by nut.
Pressure ring is provided with the outside of the insulating lid, the pressure ring, insulating lid and middle adapter are connected by bolt
Connect, the middle adapter is bolted with thermocouple seat, between the mating surface at the middle adapter two ends
It is equipped with sealing ring.
The magnetic helps formula electro connecting pressure gauge to be connected with gauge manifold by pressure gauge base.The insulating lid
Using polytetrafluoro material.
The thermocouple includes thermocouple wire, insulation tube, protection pipe and insulating core, wherein one end of thermocouple wire
Insulation in-core and the end end welding are penetrated, in the insertion protection pipe of the insulating core equipped with the thermocouple wire,
The other end of the thermocouple wire respectively penetrated and be connected to after insulation tube on two binding posts.The protection
Manage as corundum protection pipe.
Advantages of the present invention is with good effect：
The invention provides a kind of thermocouple temperature measuring apparatus of vacuum drying oven, simple structure is conveniently replaceable part,
Reduce maintenance cost, it is most important that can intuitively detect the working condition of thermocouple, once protection pipe
Be damaged gas leakage, does not interfere with workpiece in the thermometric effect and stove of this heat, substantially increases vacuum drying oven
The security that thermocouple is used.
Description of the drawings
Fig. 1 is the overall structure diagram of the present invention.
In figure：1 helps formula electro connecting pressure gauge for magnetic, and 2 is pressure gauge base, and 3 is pressure gauge sealing ring, and 4
For gauge manifold, 5 is binding post, and 6 is nut, and 7 is binding post sealing ring, and 8 is insulating lid, and 9 are
3rd sealing ring, 10 is pressure ring, and 11 are charge valve adapter, and 12 are inflation valve seals, and 13 is manual
Charge valve, 14 is the second sealing ring, and 15 is pressure cap, and 16 are pad, and 17 is sealing ring, and 18 is thermocouple seat,
19 is thermocouple wire, and 20 is insulation tube, and 21 is middle adapter, and 22 is protection pipe, and 23 is insulating core, 24
For the first sealing ring, 25 are thermocouple adapter.
Specific embodiment
Below in conjunction with the accompanying drawings the invention will be further described.
As shown in figure 1, the present invention provide a kind of vacuum drying oven thermocouple temperature measuring apparatus, including magnetic help formula electricity
Contact pressure table 1, gauge manifold 4, insulating lid 8, charge valve adapter 11, manual charge valve 13, heat
Even seat 18, thermocouple and middle adapter 21, wherein thermocouple be inserted in the installing hole on thermocouple seat 18 Nei,
And two ends are respectively exposed to the both sides of the thermocouple seat 18, one end of the middle adapter 21 and the heat
Even seat 18 is tightly connected, and the other end is tightly connected with insulating lid 8, and the output end of the thermocouple is placed in
It is connected in the middle adapter 21 and with two binding posts 5 being arranged on the insulating lid 8, it is described
The side wall of middle adapter 21 is provided with two passages, and two passages are by gauge manifold 4 and fill
Air valve adapter 11 helps respectively formula electro connecting pressure gauge 1 and manual charge valve 13 to be connected with magnetic.
The thermocouple adapter 25 arranged on the thermocouple seat 18 and body of heater is bolted, and mating surface it
Between sealed by the first sealing ring 24.The thermocouple includes insulation tube 20, protection pipe 22, insulating core
23 and two thermocouple wires 19, wherein one end of two thermocouple wires 19 penetrates in insulating core 23 and two ends are stretched
Go out, wherein one end is connected using welding manner, the insertion protection of the insulating core 23 equipped with the thermocouple wire 19
In pipe 22, the protection pipe 22 is inserted in the installing hole on the thermocouple seat 18.In the present embodiment,
The protection pipe 22 is corundum protection pipe.The exposed other end in outside of two thermocouple wires 19 is worn respectively
Enter and separated in two insulation tubes 20, and be connected respectively on two binding posts 5.It is described
Thermocouple (S types, Type B) is suitable for use with vacuum drying oven of the temperature below 1600 DEG C.
The thermocouple seat 18 is provided with coaxial with the installing hole with one end that the middle adapter 21 is connected
Shoulder hole, be sequentially provided with from inside to outside in the shoulder hole black box that is sheathed on the thermocouple and
Pressure cap 15, the pressure cap 15 is threadedly coupled with shoulder hole, and rotation pressure cap 15 compresses black box, so as to
Realize the fixation of the protection pipe 22.
The black box includes multiple pads 16 and multiple sealing rings 17, and the pad 16 and sealing ring 17 are handed over
For arrange and the pad 16 contact with the pressure cap 15.In the present embodiment, the black box is two
Group, positioned at the superiors is that pad 16 is contacted with the pressure cap 15, positioned at it is undermost be sealing ring 17.
Two binding posts 5 are arranged on the insulating lid 8, the binding post 5 and the mating surface of insulating lid 8
Between be provided with binding post sealing ring 7, binding post 5 is fixed on insulation by mating surface opposite side by nut 6
On lid 8.In order to avoid bolt scratches the insulating lid 8, in the outside of the insulating lid 8 pressure is provided with
Ring 10, the pressure ring 10, insulating lid 8 and middle adapter 21 are bolted, the middle adapter
21 are bolted with thermocouple seat 18.Set between the mating surface of the middle adapter 21 and thermocouple seat 18
Have between the mating surface of the second sealing ring 14, the insulating lid 8 and middle adapter 21 and be provided with the 3rd sealing
Circle 9, the insulating lid 8 adopts polytetrafluoro material.
In the present embodiment, described two passages are symmetricly set in the both sides of the middle adapter 21, with this
The magnetic of two passage connections helps formula electro connecting pressure gauge 1 and manual charge valve 13 to be located at middle adapter respectively
21 both sides.
The magnetic helps formula electro connecting pressure gauge 1 to be connected with one end of gauge manifold 4 by pressure gauge base 2,
Connected using welding manner between the pressure gauge base 2 and gauge manifold 4, magnetic helps formula electric contact pressure
Be provided with pressure gauge sealing ring 3 between table 1 and pressure gauge base 2, the other end of the gauge manifold 4 with
The one passage welding of the middle adapter 21.
The radial direction of the middle adapter 21 is provided with charge valve adapter 11, institute with the symmetry direction of gauge manifold 4
State and connected using welding manner between charge valve adapter 11 and middle adapter 21, the charge valve adapter 11
Middle adapter 21 is connected with manual charge valve 13, the charge valve adapter 11 and manual charge valve 13
It is with bolts, inflation valve seals 12 are provided between its mating surface.
The present invention in an assembling process, first by protection pipe 22 penetrate pressure cap 15, pad 16, sealing ring 17 it
In after be put in the installing hole of thermocouple seat 18, in blind end insertion body of heater thermocouple adapter 25, determine position
Afterwards, by pressure cap 15 by being threaded onto on thermocouple seat 18, screw the crush seal circle 17 of pressure cap 15 from
And fixed protection pipe 22.Then binding post 5 is installed on insulating lid 8, thermocouple wire 19 is penetrated into insulation
One end welding after core 23, the other end is respectively penetrated and is connected to after insulation tube 20 on two binding posts 5.It
Insulating lid 8 is arranged in middle adapter 21 by bolt afterwards, then the insulating core that will be equipped with thermocouple wire 19
23 are put in protection pipe 22, and middle adapter 21 is bolted with thermocouple seat 18, finally install
Magnetic helps formula electro connecting pressure gauge 1 and manual charge valve 13.It is completed in backward middle adapter 21 and suppresses,
Ensure pressure 4kg/cm in storehouse2, must not there is leakage in half an hour.
The present invention operation principle be：
During work, manually charge valve 13 is filled with shielding gas into middle adapter 21, it is ensured that atmosphere storehouse
Interior 0.1MPa pressure, it is another to access pressure in electro connecting pressure gauge monitoring storehouse.Once protection pipe 22 is damaged,
Cause to be connected with body of heater in the atmosphere storehouse of middle adapter 21, pressure change, magnetic helps formula electro connecting pressure gauge 1
The number of degrees produce change.
The present invention not only can ensure the working environment of thermocouple wire 19, improve service life, and reduction is keeped in repair into
This, it is most important that the working condition of thermocouple can be intuitively detected, once protection pipe 22 is damaged
Bad gas leakage, does not interfere with the normal production of workpiece in the thermometric effect and stove of this heat, substantially increases true
The security that empty furnace electric thermo-couple is used.Present configuration is simple, easy for installation, is conveniently replaceable thermocouple wire 19
And protection pipe 22, good airproof performance, and monitoring alarm function can be set.
Claims (10)
1. a kind of vacuum drying oven thermocouple temperature measuring apparatus, it is characterised in that help formula electro connecting pressure gauge including magnetic
(1), gauge manifold (4), insulating lid (8), charge valve adapter (11), manual charge valve (13),
Thermocouple seat (18), thermocouple and middle adapter (21), wherein thermocouple are inserted on thermocouple seat (18)
Installing hole in and two ends are respectively exposed to the both sides of the thermocouple seat (18), the middle adapter (21)
One end be tightly connected with the thermocouple seat (18), the other end is tightly connected with insulating lid (8), described
The output end of thermocouple be placed in the middle adapter (21) and be arranged at the insulating lid (8)
On the connection of two binding posts (5), the side wall of the middle adapter (21) is provided with two passages,
Two passages help respectively formula electric contact by gauge manifold (4) and charge valve adapter (11) with magnetic
Pressure gauge (1) and manual charge valve (13) connect.
2. vacuum drying oven thermocouple temperature measuring apparatus as described in claim 1, it is characterised in that the thermocouple
The threaded one end that seat (18) is connected with the middle adapter (21) is connected with pressure cap (15), the pressure cap
(15) black box is provided between the thermocouple seat (18), the thermocouple passes through the sealing group
Part and pressure cap (15) are simultaneously fixed by the pressure cap (15).
3. vacuum drying oven thermocouple temperature measuring apparatus as described in claim 2, it is characterised in that the thermocouple
Seat (18) is provided with the shoulder hole coaxial with the installing hole with one end that the middle adapter (21) is connected,
The black box and pressure cap (15) are sequentially provided with from inside to outside in the shoulder hole.
4. vacuum drying oven thermocouple temperature measuring apparatus as described in claim 1, it is characterised in that described two
Passage is symmetricly set in the both sides of the middle adapter (21).
5. vacuum drying oven thermocouple temperature measuring apparatus as described in claim 1, it is characterised in that the wiring
One end of post (5) is passed and fixed by nut (6) by the hole that the insulating lid (8) is provided with.
6. vacuum drying oven thermocouple temperature measuring apparatus as described in claim 5, it is characterised in that the insulation
Pressure ring (10), the pressure ring (10), insulating lid (8) and middle adapter (21) are provided with the outside of lid (8)
Be bolted, the middle adapter (21) is bolted with thermocouple seat (18), it is described in
Between take over (21) two ends mating surface between be equipped with sealing ring.
7. vacuum drying oven thermocouple temperature measuring apparatus as described in claim 1, it is characterised in that the magnetic is helped
Formula electro connecting pressure gauge (1) is connected by pressure gauge base (2) with gauge manifold (4).
8. vacuum drying oven thermocouple temperature measuring apparatus as described in claim 1, it is characterised in that the insulation
Lid (8) is using polytetrafluoro material.
9. vacuum drying oven thermocouple temperature measuring apparatus as described in any one of claim 1-8, it is characterised in that
The thermocouple includes thermocouple wire (19), insulation tube (20), protection pipe (22) and insulating core (23),
One end of wherein thermocouple wire (19) is penetrated in insulating core (23) and the end end welding, equipped with described
In the insulating core (23) insertion protection pipe (22) of thermocouple wire (19), the thermocouple wire (19) it is another
One end respectively penetrates and is connected to after insulation tube (20) on two binding posts (5).
10. vacuum drying oven thermocouple temperature measuring apparatus as described in claim 9, it is characterised in that the protection
Pipe (22) is corundum protection pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510711880.8A CN106644135A (en) | 2015-10-28 | 2015-10-28 | Thermocouple temperature-measuring device for vacuum furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510711880.8A CN106644135A (en) | 2015-10-28 | 2015-10-28 | Thermocouple temperature-measuring device for vacuum furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106644135A true CN106644135A (en) | 2017-05-10 |
Family
ID=58815912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510711880.8A Pending CN106644135A (en) | 2015-10-28 | 2015-10-28 | Thermocouple temperature-measuring device for vacuum furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106644135A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107543628A (en) * | 2017-07-10 | 2018-01-05 | 杭州亿泰自控设备有限公司 | The replaceable thermocouple of on-line operation for sulphur-furnace thermometric |
| CN113138031A (en) * | 2021-05-24 | 2021-07-20 | 山东斯特尔新能源科技有限公司 | Wiring device of high-temperature high-pressure container |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5950336A (en) * | 1982-09-16 | 1984-03-23 | Nippon Steel Corp | Temperature measuring, gas collecting or gas pressure measuring device in shaft furnace such as blast furnace or the like |
| CA1288174C (en) * | 1988-09-21 | 1991-08-27 | Donald W. Daigle | Thermocouple for corrosive environments |
| CN201672982U (en) * | 2010-05-04 | 2010-12-15 | 武汉钢铁(集团)公司 | Gas-filled protection thermocouple |
| CN202133485U (en) * | 2011-05-05 | 2012-02-01 | 北京华海中谊工业炉有限公司 | Thermocouple double layer seal structure |
| CN103076106A (en) * | 2013-01-11 | 2013-05-01 | 浙江伦特机电有限公司 | High-pressure multi-point flexible thermocouple with leakage detector |
| CN205120263U (en) * | 2015-10-28 | 2016-03-30 | 沈阳沈真真空技术有限责任公司 | Vacuum furnace thermal couple temperature device |
-
2015
- 2015-10-28 CN CN201510711880.8A patent/CN106644135A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5950336A (en) * | 1982-09-16 | 1984-03-23 | Nippon Steel Corp | Temperature measuring, gas collecting or gas pressure measuring device in shaft furnace such as blast furnace or the like |
| CA1288174C (en) * | 1988-09-21 | 1991-08-27 | Donald W. Daigle | Thermocouple for corrosive environments |
| CN201672982U (en) * | 2010-05-04 | 2010-12-15 | 武汉钢铁(集团)公司 | Gas-filled protection thermocouple |
| CN202133485U (en) * | 2011-05-05 | 2012-02-01 | 北京华海中谊工业炉有限公司 | Thermocouple double layer seal structure |
| CN103076106A (en) * | 2013-01-11 | 2013-05-01 | 浙江伦特机电有限公司 | High-pressure multi-point flexible thermocouple with leakage detector |
| CN205120263U (en) * | 2015-10-28 | 2016-03-30 | 沈阳沈真真空技术有限责任公司 | Vacuum furnace thermal couple temperature device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107543628A (en) * | 2017-07-10 | 2018-01-05 | 杭州亿泰自控设备有限公司 | The replaceable thermocouple of on-line operation for sulphur-furnace thermometric |
| CN113138031A (en) * | 2021-05-24 | 2021-07-20 | 山东斯特尔新能源科技有限公司 | Wiring device of high-temperature high-pressure container |
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Legal Events
| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170510 |
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| RJ01 | Rejection of invention patent application after publication |