CN205120263U - Vacuum furnace thermal couple temperature device - Google Patents
Vacuum furnace thermal couple temperature device Download PDFInfo
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- CN205120263U CN205120263U CN201520845027.0U CN201520845027U CN205120263U CN 205120263 U CN205120263 U CN 205120263U CN 201520845027 U CN201520845027 U CN 201520845027U CN 205120263 U CN205120263 U CN 205120263U
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- thermocouple
- vacuum drying
- drying oven
- seat
- measuring apparatus
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Abstract
The utility model belongs to the technical field of vacuum furnace equipment, specifically speaking is a vacuum furnace thermal couple temperature device. Help formula electric contact pressure gauge, insulating lid, manual inflation valve, thermocouple seat, thermocouple and middle the takeover including magnetism, wherein the thermocouple insert in the mounting hole of locating on the thermocouple seat and both ends expose respectively in the both sides of thermocouple seat, middle one end of taking over with thermocouple seat sealing connection, the other end and insulating lid sealing connection, the output holding of thermocouple in in middle the takeover and with set up in two terminal connection on the insulating lid, be equipped with two air vents on the middle lateral wall of taking over, these two air vents are taken over through the manometer and the inflation valve takeover helps formula electric contact pressure gauge and manual inflation valve to be connected with magnetism respectively. The utility model discloses simple structure, the renewal part of being convenient for reduces cost of maintenance, has improved the security that the vacuum furnace thermocouple used.
Description
Technical field
The utility model belongs to vacuum drying oven equipment technical field, specifically a kind of vacuum drying oven thermocouple temperature measuring apparatus.
Background technology
Thermocouple measurement the temp. in vacuum furnace is adopted to be one of temperature measurement of vacuum furnace major way, can temperature during heating in fast and accurate measurement vacuum drying oven stove.Because vacuum drying oven there are certain requirements sealing, and the installation of thermocouple needs perforate on body of heater, therefore thermocouple be it is also proposed to the requirement of sealing property, can the quality of thermopair sealing property be directly connected to vacuum drying oven and touch the mark the serviceability of requirement and stove.
If existing industrial thermocouple is used on vacuum drying oven, once protection tube is impaired, vacuum drying oven will be made to connect air, broken its sealing of ring, makes workpiece be oxidized, even makes vacuum drying oven inner heating device oxidation damage.
Utility model content
For the problems referred to above, the purpose of this utility model is to provide a kind of vacuum drying oven thermocouple temperature measuring apparatus.This apparatus structure is simple, is convenient to renewal part, reduces maintenance cost.
To achieve these goals, the utility model is by the following technical solutions:
A kind of vacuum drying oven thermocouple temperature measuring apparatus, comprise magnetic and help formula electro connecting pressure gauge, gauge manifold, insulating lid, gas filling valve is taken over, manual gas filling valve, thermocouple seat, thermopair and middle adapter, wherein thermopair is inserted in the mounting hole on thermocouple seat, and two ends expose to the both sides of described thermocouple seat respectively, one end and the described thermocouple seat of described middle adapter are tightly connected, the other end and insulating lid are tightly connected, the output terminal of described thermopair is placed in described middle adapter, and be connected with two binding posts be arranged on described insulating lid, the sidewall of described middle adapter is provided with two air holes, these two air holes help formula electro connecting pressure gauge and manual gas filling valve to be connected by gauge manifold with gas filling valve adapter respectively with magnetic.
The threaded one end that described thermocouple seat is connected with described middle adapter is connected with pressure cap, is provided with seal assembly between described pressure cap and described thermocouple seat, and described thermopair is through described seal assembly and pressure cap and fixed by described pressure cap.
One end that described thermocouple seat is connected with described middle adapter is provided with the shoulder hole coaxial with described mounting hole, is provided with described seal assembly and pressure cap successively from inside to outside in described shoulder hole.
Described two air holes are symmetricly set in the both sides of described middle adapter.
The hole that one end of described binding post is provided with by described insulating lid is passed and is fixed by nut.
The outside of described insulating lid is provided with pressure ring, and described pressure ring, insulating lid and middle adapter are bolted, and described middle adapter and thermocouple seat are bolted, and is equipped with O-ring seal between the mating surface at described middle adapter two ends.
Described magnetic helps formula electro connecting pressure gauge to be connected with gauge manifold by pressure gauge base.Described insulating lid adopts polytetrafluoro material.
Described thermopair comprises thermocouple wire, insulation tube, protection tube and insulating core; wherein one end of thermocouple wire to penetrate in insulating core and this end welding edges; the insulating core that described thermocouple wire is housed inserts in protection tube, is connected on two described binding posts after the other end of described thermocouple wire penetrates insulation tube respectively.Described protection tube is corundum protection tube.
Advantage of the present utility model and good effect are:
The utility model provides a kind of thermocouple temperature measuring apparatus of vacuum drying oven; structure is simple; be convenient to renewal part; reduce maintenance cost; the most important thing is the duty that thermocouple can be detected intuitively; the gas leakage once protection tube is damaged, can not affect workpiece in the thermometric effect of this heat and stove, substantially increases the security that vacuum drying oven thermopair uses.
Accompanying drawing explanation
Fig. 1 is one-piece construction schematic diagram of the present utility model.
In figure: 1 helps formula electro connecting pressure gauge for magnetic, and 2 is pressure gauge base, and 3 is tensimeter O-ring seal; 4 is gauge manifold, and 5 is binding post, and 6 is nut; 7 is binding post O-ring seal, and 8 is insulating lid, and 9 is the 3rd O-ring seal; 10 is pressure ring, and 11 is gas filling valve adapter, and 12 is gas filling valve O-ring seal; 13 is manual gas filling valve, and 14 is the second O-ring seal, and 15 is pressure cap; 16 is pad; 17 is O-ring seal, and 18 is thermocouple seat, and 19 is thermocouple wire; 20 is insulation tube; 21 is middle adapter, and 22 is protection tube, and 23 is insulating core; 24 is the first O-ring seal, and 25 is thermocouple adapter.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1, a kind of vacuum drying oven thermocouple temperature measuring apparatus that the utility model provides, comprise magnetic and help formula electro connecting pressure gauge 1, gauge manifold 4, insulating lid 8, gas filling valve adapter 11, manual gas filling valve 13, thermocouple seat 18, thermopair and middle adapter 21, wherein thermopair is inserted in the mounting hole on thermocouple seat 18, and two ends expose to the both sides of described thermocouple seat 18 respectively, one end and the described thermocouple seat 18 of described middle adapter 21 are tightly connected, the other end and insulating lid 8 are tightly connected, the output terminal of described thermopair is placed in described middle adapter 21, and be connected with two binding posts 5 be arranged on described insulating lid 8, the sidewall of described middle adapter 21 is provided with two air holes, these two air holes help formula electro connecting pressure gauge 1 and manual gas filling valve 13 to be connected by gauge manifold 4 and gas filling valve adapter 11 respectively with magnetic.
The thermocouple adapter 25 that described thermocouple seat 18 and body of heater are arranged is bolted, and is sealed by the first O-ring seal 24 between mating surface.Described thermopair comprises insulation tube 20, protection tube 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 and stretches out; wherein one end adopts welding manner to connect; the insulating core 23 that described thermocouple wire 19 is housed inserts in protection tube 22, and described protection tube 22 is inserted in the mounting hole on described thermocouple seat 18.In the present embodiment, described protection tube 22 is corundum protection tube.Two thermocouple wires 19 exposed outside the other end penetrate respectively in two insulation tubes 20 and be separated, and to be connected respectively on two described binding posts 5.Described thermopair (S type, Type B) is applicable to the vacuum drying oven of serviceability temperature below 1600 DEG C.
One end that described thermocouple seat 18 is connected with described middle adapter 21 is provided with the shoulder hole coaxial with described mounting hole; be provided with successively from inside to outside in described shoulder hole and be sheathed on seal assembly on described thermopair and pressure cap 15; described pressure cap 15 is threaded with shoulder hole; rotate pressure cap 15 press seal assembly, thus realize the fixing of described protection tube 22.
Described seal assembly comprises multiple pad 16 and multiple O-ring seal 17, and described pad 16 is arranged alternately with O-ring seal 17 and described pad 16 contacts with described pressure cap 15.In the present embodiment, described seal assembly is two groups, and what be positioned at the superiors is that pad 16 contacts with described pressure cap 15, and being positioned at undermost is O-ring seal 17.
Two binding posts 5 are arranged on described insulating lid 8, and be provided with binding post O-ring seal 7 between described binding post 5 and insulating lid 8 mating surface, binding post 5 is fixed on insulating lid 8 by nut 6 by mating surface opposite side.In order to avoid described insulating lid 8 scratches by bolt, be provided with pressure ring 10 in the outside of described insulating lid 8, described pressure ring 10, insulating lid 8 and middle adapter 21 are bolted, and described middle adapter 21 is bolted with thermocouple seat 18.Be provided with the second O-ring seal 14 between described middle adapter 21 and the mating surface of thermocouple seat 18, be provided with the 3rd O-ring seal 9 between described insulating lid 8 and the mating surface of middle adapter 21, described insulating lid 8 adopts polytetrafluoro material.
In the present embodiment, described two air holes are symmetricly set in the both sides of described middle adapter 21, and the magnetic be connected with these two air holes helps formula electro connecting pressure gauge 1 and manual gas filling valve 13 to lay respectively at the both sides of middle adapter 21.
Described magnetic helps formula electro connecting pressure gauge 1 to be connected by pressure gauge base 2 one end with gauge manifold 4, described pressure gauge base 2 adopts welding manner to be connected with between gauge manifold 4, magnetic helps between formula electro connecting pressure gauge 1 and pressure gauge base 2 and is provided with tensimeter O-ring seal 3, and the other end of described gauge manifold 4 welds with an air hole of described middle adapter 21.
Described middle adapter 21 is radial is provided with gas filling valve adapter 11 with gauge manifold 4 symmetry direction, described gas filling valve adapter 11 adopts welding manner to be connected with between middle adapter 21, middle adapter 21 is communicated with manual gas filling valve 13 by described gas filling valve adapter 11, described gas filling valve adapter 11 is with bolts with manual gas filling valve 13, is provided with gas filling valve O-ring seal 12 between its mating surface.
The utility model in an assembling process; first protection tube 22 is penetrated the mounting hole putting into thermocouple seat 18 after among pressure cap 15, pad 16, O-ring seal 17; blind end inserts in body of heater thermocouple adapter 25; after determining position; pressure cap 15 is installed on thermocouple seat 18 by screw thread, screws pressure cap 15 crush seal circle 17 thus fixing protection tube 22.Then be installed on insulating lid 8 by binding post 5, after thermocouple wire 19 being penetrated insulating core 23, one end is welded, and the other end is connected to after penetrating insulation tube 20 respectively on two binding posts 5.Afterwards insulating lid 8 is arranged in middle adapter 21 by bolt; again the insulating core 23 that thermocouple wire 19 is housed is put into protection tube 22; and middle adapter 21 and thermocouple seat 18 are bolted, magnetic is finally installed and helps formula electro connecting pressure gauge 1 and manual gas filling valve 13.Assemble in backward middle adapter 21 and suppressed, ensured pressure 4kg/cm in storehouse
2, in half an hour, must not leakage be had.
Principle of work of the present utility model is:
During work, manually gas filling valve 13 is filled with protection gas in middle adapter 21, ensures 0.1MPa pressure in atmosphere storehouse, pressure in another access electro connecting pressure gauge monitoring storehouse.Once protection tube 22 damages, cause being communicated with in body of heater in middle adapter 21 atmosphere storehouse, pressure change, magnetic helps formula electro connecting pressure gauge 1 number of degrees to change.
The utility model not only can ensure the working environment of thermocouple wire 19; improve serviceable life; reduce maintenance cost; the most important thing is the duty that thermopair can be detected intuitively; the gas leakage once protection tube 22 is damaged; the normal production of workpiece in the thermometric effect of this heat and stove can not be affected, substantially increase the security that vacuum drying oven thermopair uses.The utility model structure is simple, easy for installation, is convenient to change thermocouple wire 19 and protection tube 22, good airproof performance, and can arrange monitoring alarm function.
Claims (10)
1. a vacuum drying oven thermocouple temperature measuring apparatus, it is characterized in that, comprise magnetic and help formula electro connecting pressure gauge (1), gauge manifold (4), insulating lid (8), gas filling valve adapter (11), manual gas filling valve (13), thermocouple seat (18), thermopair and middle adapter (21), wherein thermopair is inserted in the mounting hole on thermocouple seat (18), and two ends expose to the both sides of described thermocouple seat (18) respectively, one end and the described thermocouple seat (18) of described middle adapter (21) are tightly connected, the other end and insulating lid (8) are tightly connected, the output terminal of described thermopair is placed in described middle adapter (21), and be connected with two binding posts (5) be arranged on described insulating lid (8), the sidewall of described middle adapter (21) is provided with two air holes, these two air holes help formula electro connecting pressure gauge (1) and manual gas filling valve (13) to be connected by gauge manifold (4) with gas filling valve adapter (11) respectively with magnetic.
2. by vacuum drying oven thermocouple temperature measuring apparatus according to claim 1, it is characterized in that, the threaded one end that described thermocouple seat (18) is connected with described middle adapter (21) is connected with pressure cap (15), be provided with seal assembly between described pressure cap (15) and described thermocouple seat (18), described thermopair is through described seal assembly and pressure cap (15) and fixed by described pressure cap (15).
3. by vacuum drying oven thermocouple temperature measuring apparatus according to claim 2, it is characterized in that, one end that described thermocouple seat (18) is connected with described middle adapter (21) is provided with the shoulder hole coaxial with described mounting hole, is provided with described seal assembly and pressure cap (15) in described shoulder hole from inside to outside successively.
4., by vacuum drying oven thermocouple temperature measuring apparatus according to claim 1, it is characterized in that, described two air holes are symmetricly set in the both sides of described middle adapter (21).
5. by vacuum drying oven thermocouple temperature measuring apparatus according to claim 1, it is characterized in that, the hole that one end of described binding post (5) is provided with by described insulating lid (8) is passed and is fixed by nut (6).
6. by vacuum drying oven thermocouple temperature measuring apparatus according to claim 5, it is characterized in that, the outside of described insulating lid (8) is provided with pressure ring (10), described pressure ring (10), insulating lid (8) and middle adapter (21) are bolted, described middle adapter (21) and thermocouple seat (18) are bolted, and are equipped with O-ring seal between the mating surface at described middle adapter (21) two ends.
7., by vacuum drying oven thermocouple temperature measuring apparatus according to claim 1, it is characterized in that, described magnetic helps formula electro connecting pressure gauge (1) to be connected with gauge manifold (4) by pressure gauge base (2).
8. by vacuum drying oven thermocouple temperature measuring apparatus according to claim 1, it is characterized in that, described insulating lid (8) adopts polytetrafluoro material.
9. by the vacuum drying oven thermocouple temperature measuring apparatus described in any one of claim 1-8; it is characterized in that; described thermopair comprises thermocouple wire (19), insulation tube (20), protection tube (22) and insulating core (23); wherein one end of thermocouple wire (19) to penetrate in insulating core (23) and this end welding edges; the insulating core (23) that described thermocouple wire (19) are housed inserts in protection tube (22), is connected on two described binding posts (5) after the other end of described thermocouple wire (19) penetrates insulation tube (20) respectively.
10., by vacuum drying oven thermocouple temperature measuring apparatus according to claim 9, it is characterized in that, described protection tube (22) is corundum protection tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520845027.0U CN205120263U (en) | 2015-10-28 | 2015-10-28 | Vacuum furnace thermal couple temperature device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520845027.0U CN205120263U (en) | 2015-10-28 | 2015-10-28 | Vacuum furnace thermal couple temperature device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205120263U true CN205120263U (en) | 2016-03-30 |
Family
ID=55575860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520845027.0U Active CN205120263U (en) | 2015-10-28 | 2015-10-28 | Vacuum furnace thermal couple temperature device |
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| Country | Link |
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| CN (1) | CN205120263U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106644135A (en) * | 2015-10-28 | 2017-05-10 | 沈阳沈真真空技术有限责任公司 | Thermocouple temperature-measuring device for vacuum furnace |
| 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 |
-
2015
- 2015-10-28 CN CN201520845027.0U patent/CN205120263U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106644135A (en) * | 2015-10-28 | 2017-05-10 | 沈阳沈真真空技术有限责任公司 | Thermocouple temperature-measuring device for vacuum furnace |
| 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 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |