CN207964109U - A kind of spring-pressing fix type thermocouple - Google Patents
A kind of spring-pressing fix type thermocouple Download PDFInfo
- Publication number
- CN207964109U CN207964109U CN201820050803.1U CN201820050803U CN207964109U CN 207964109 U CN207964109 U CN 207964109U CN 201820050803 U CN201820050803 U CN 201820050803U CN 207964109 U CN207964109 U CN 207964109U
- Authority
- CN
- China
- Prior art keywords
- spring
- thermocouple
- compression spring
- silica gel
- gel plug
- 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
Links
- 238000003825 pressing Methods 0.000 title claims abstract description 22
- 239000002184 metal Substances 0.000 claims abstract description 30
- 229910052751 metal Inorganic materials 0.000 claims abstract description 30
- 230000006835 compression Effects 0.000 claims abstract description 29
- 238000007906 compression Methods 0.000 claims abstract description 29
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000000741 silica gel Substances 0.000 claims abstract description 24
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 24
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229910052802 copper Inorganic materials 0.000 claims abstract description 19
- 239000010949 copper Substances 0.000 claims abstract description 19
- 229920002379 silicone rubber Polymers 0.000 claims abstract description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 6
- 239000010935 stainless steel Substances 0.000 claims abstract description 6
- 238000005520 cutting process Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 7
- 230000007704 transition Effects 0.000 claims description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 2
- 239000010931 gold Substances 0.000 claims description 2
- 229910052737 gold Inorganic materials 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 239000011521 glass Substances 0.000 claims 1
- 229940058401 polytetrafluoroethylene Drugs 0.000 claims 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims 1
- 239000004810 polytetrafluoroethylene Substances 0.000 claims 1
- 230000035945 sensitivity Effects 0.000 abstract description 7
- 238000005259 measurement Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000005619 thermoelectricity Effects 0.000 description 1
Landscapes
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The utility model discloses a kind of spring-pressing fix type thermocouples, belong to temperature sensor field, can improve sensitivity and the use scope of thermocouple.The utility model compression spring side is equipped with heat-shrinkable T bush, compensating wire, and the other side is equipped with locking clamp spring, stud, adiabatic silica gel plug, stainless steel metal casing, thermocouple wire working end, copper sheet；Compression spring fixes the position of locking clamp spring, stud constitutes compressing structure with compression spring, U-shaped pin on stud constitutes locking mechanism with the type groove cooperation on locking clamp spring, there are fine through holes among adiabatic silica gel plug, metal sleeve is filled in one end, metal sleeve compresses on the shielding layer close to one end of compression spring, thermocouple wire working end in metal sleeve passes through adiabatic silica gel plug intermediate throughholes to stretch out, thermocouple wire working end is connect with copper sheet, gap silicon rubber filling between adiabatic silica gel plug bottom and copper sheet, it can determine the actual point position of thermocouple, the temperature of required position can accurately be measured.
Description
Technical field
The utility model belongs to temperature sensor field more particularly to a kind of spring-pressing fix type thermocouple.
Background technology
Thermocouple as a kind of temperature element, due to can direct measuring temperature, and temperature signal is converted into electric signal
It is supplied to electric meter, is widely used.But since thermocouple is easy to tie because installation question causes to measure in thermometric
Fruit is inaccurate.There is a kind of spring-pressing fix type thermocouple to solve installation question, although existing spring-pressing fix type thermocouple
Solves the installation question of thermocouple, but due to increasing metal sleeve, the serious shadow of thermal capacitance of metal sleeve outside thermocouple wire
Thermocouple sensitivity is rung, keeps the thermocouple temperature measurement reaction time slack-off, accuracy can also be affected, and can not be applied to the dynamic of temperature
State measures；And traditional spring-pressing fix type thermocouple is during fabrication, since technique limits, can not determine the survey of its thermocouple wire
Measure end（Hot junction）Position in metal sleeve, may be close to some position of madial wall, may be close to bottom, it is also possible in metal
Hanging in pipe, thermal resistance when this does not only result in thermometric increases, sensitivity decrease, so that temperature measuring point is uncertain, if answered
For measuring occasion as body surface temperature, can measurement error be greatly increased；Therefore existing spring-pressing fix type heat
Galvanic couple cannot be satisfied the measurement demand high to sensitivity and required precision, can not be applied to dynamic and measure and measure body surface temperature
The occasions such as degree.
Invention content
The utility model provides a kind of spring-pressing fix type thermocouple, can improve spring-pressing fix type thermocouple precision and
Sensitivity can be applied to, temperature dynamic variation more demanding to accuracy and sensitivity and measure the surveys such as body surface temperature
Occasion is measured, spring-pressing fix type thermocouple application range has been widened.
In order to achieve the above object, the utility model uses following technical scheme：
A kind of spring-pressing fix type thermocouple, including 5 side of compression spring are equipped with heat-shrinkable T bush 3, compensating wire 2, and the other side is equipped with
Lock clamp spring 8, stud 10, adiabatic silica gel plug 11, stainless steel metal casing 12, thermocouple wire working end 13, copper sheet 15；Compensation
2 one end of conducting wire is equipped with connecting terminal 1, and 2 other end of compensating wire is connect with thermocouple wire, 2 outer provided with shielding layer 4 of compensating wire,
Shielded layer 4 is equipped with one section of heat-shrinkable T bush 3 with 2 transition position of compensating wire, and compression spring 5 is sleeved on outside shielded layer 4, has locking clamp outside compression spring 5
Set 6, locks 6 one side opening of cutting ferrule, and the other side has threaded hole, locking cutting ferrule 6 to have threaded hole side to lock compression spring with bolt 7
5, compression spring 5 fixes the position of locking clamp spring 8, and stud 10 constitutes compressing structure, U-shaped pin 9 and locking clamp on stud 10 with compression spring 5
L-type slot cooperation on spring 8 constitutes locking mechanism, has fine through holes, one end to fill in metal sleeve 12 among adiabatic silica gel plug 11, gold
Belong to casing 12 to be pressed on shielded layer 4 close to one end of compression spring 5, the thermocouple wire working end 13 in metal sleeve 12 passes through thermal insulation
11 intermediate throughholes of silica gel plug are stretched out, and thermocouple wire working end 13 is connect with copper sheet 15,11 bottom of adiabatic silica gel plug and copper sheet
It is filled with silicon rubber 14 in gap between 15.
Compensating wire 2 described above is to be surrounded by polytetrafluoroethylglass glass fiber line, and connecting terminal 1 can connect according to instrumentation
Line needs to select different form Y types or needle-like, 5 both ends of compression spring are free end, and adjustable mounting position controls under thermocouple
It is stepped ramp type to hold extension elongation, adiabatic silica gel plug 11, and metal sleeve 12 is filled in the side that outer diameter is equal to 12 internal diameter of metal sleeve, absolutely
11 other side outer diameter of hot silica gel plug is more than 12 internal diameter of metal sleeve, is less than 10 bottom internal diameter of stud, therefore stud 10 can be free
Dismounting, facilitates the installation of spring-pressing fix type thermocouple.
The beneficial effects of the utility model：The utility model provides a kind of spring-pressing fix type thermocouple, adiabatic silica gel plug
Lower outer diameter is more than metal sleeve internal diameter, is less than stud bottom internal diameter, and stud can be freely disassembled, and facilitate spring-pressing fix type thermoelectricity
Even installation；Using copper sheet, copper sheet is softer, and heat conductivility is fabulous, can reduce thermal contact resistance when measuring；Pass through thermal insulation
Silica gel plug and the silicon rubber of filling separate metal sleeve and copper sheet, and metal sleeve is made to play the same of pressure-bearing and protective effect
When, thermal capacitance does not interfere with measurement of the thermocouple to testee, and the accuracy and sensitivity of thermocouple when measurement is made to have
It greatly promotes；And copper sheet is smaller, thermal conductivity is high, it may be determined that the actual point position of thermocouple can be measured accurately
The temperature of required position, this is most important to measuring body surface temperature.
Description of the drawings
Fig. 1 is the utility model overall structure diagram；
Fig. 2 and Fig. 3 is the utility model bottom end partial schematic diagram；
Wherein, 1 is connecting terminal, and 2 be compensating wire, and 3 be heat-shrinkable T bush, and 4 be shielded layer, and 5 be compression spring, and 6 be locking clamp
Set, 7 be bolt, and 8 be locking clamp spring, and 9 be U-shaped pin, and 10 be stud, and 11 be adiabatic silica gel plug, and 12 be stainless steel metal casing, 13
It is silicon rubber filling layer for thermocouple wire working end, 14,15 be copper sheet.
Specific implementation mode
Can be according to the thermocouple wire for needing that difference is selected to divide symbol be measured, thermocouple wire one end is connected with compensating wire 2, mends
It is to be surrounded by polytetrafluoroethylglass glass fiber line to repay conducting wire 2, and 2 other end of compensating wire is equipped with connecting terminal 1, and connecting terminal 1 can root
It needs to select different form according to instrumentation line, selects Y types, 2 peripheral hardware stainless steel mesh grid shielded layer 4 of compensating wire that can shield
Interference is covered, one section of heat-shrinkable T bush 3 is housed in shielded layer 4 and 2 transition position of compensating wire, compression spring 5 is sleeved on outside shielded layer 4,5 liang of compression spring
End is free end, and adjustable mounting position controls thermocouple lower end extension elongation, is boundary with compression spring 5,5 side of compression spring is equipped with
Heat-shrinkable T bush 3, compensating wire 2, the other side be equipped with locking clamp spring 8, stud 10, adiabatic silica gel plug 11, stainless steel metal casing 12,
Thermocouple wire working end 13, copper sheet 15；5 diameter of compression spring need to be more than locking 8 internal diameter of clamp spring, and the position of locking clamp spring is fixed with this
It sets, 10 outer diameter of stud is more than 5 internal diameter of compression spring, and internal diameter is less than 5 outer diameter of compression spring, constitutes compressing structure, the U-shaped pin 9 on stud 10 can
Coordinate with the L-type slot on locking clamp spring 8, constitute locking mechanism, locks 6 one side opening of cutting ferrule, opposite side has threaded hole, with spiral shell
The cooperation of bolt 7 can lock compression spring, and adiabatic silica gel plug 11 is stepped ramp type, and centre has fine through holes, stepped ramp type side outer diameter to be equal to metal
12 internal diameter of casing, therefore can stepped ramp type side be filled in metal sleeve 12 to fix, metal sleeve head is pressed on shielded layer 4
On, 11 other side outer diameter of adiabatic silica gel plug is more than 12 internal diameter of metal sleeve, is less than 10 internal diameter of stud, therefore stud 10 can freely be torn open
It unloads, facilitates the installation of spring-pressing fix type thermocouple, the thermocouple working end 13 in metal sleeve 12 passes through in adiabatic silica gel plug 11
Between through-hole stretch out, working end is welded on copper sheet 15 by spot welding, between 11 bottom of adiabatic silica gel plug and copper sheet 15
It is filled with silicon rubber 13 in gap.Before measurement, first stud 12 is connected through a screw thread and is fixed on testee, then heat will be welded with
The copper sheet 15 of galvanic couple working end 13 is tightly attached on testee, is then tightened the bolt 7 on locking cutting ferrule 6, is finally screwed on lock
Tight clamp spring 8.
The above is only the preferred embodiment of the utility model, it should be pointed out that for the ordinary skill of the art
For personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these are improved and profit
Decorations also should be regarded as the scope of protection of the utility model.
Claims (6)
1. a kind of spring-pressing fix type thermocouple, which is characterized in that compression spring（5）Side is equipped with heat-shrinkable T bush（3）, compensating wire（2）,
The other side is equipped with locking clamp spring（8）, stud（10）, adiabatic silica gel plug（11）, stainless steel metal casing（12）, thermocouple wire work
End（13）, copper sheet（15）；Compensating wire（2）One end is equipped with connecting terminal（1）, compensating wire（2）The other end and thermocouple wire
Connection, compensating wire（2）Outer provided with shielding layer（4）, in shielded layer（4）With compensating wire（2）Transition position is equipped with one section of heat-shrinkable T bush
（3）, compression spring（5）It is sleeved on shielded layer（4）Outside, compression spring（5）There is locking cutting ferrule outside（6）, lock cutting ferrule（6）One side opening, the other side
There are threaded hole, locking cutting ferrule 6 to there is threaded hole side to lock compression spring with bolt 7（5）, compression spring（5）Fixed locking clamp spring（8）'s
Position, stud（10）With compression spring（5）Constitute compressing structure, stud（10）On U-shaped pin（9）With locking clamp spring（8）On L-type slot
Cooperation constitutes locking mechanism, adiabatic silica gel plug（11）Centre has fine through holes, one end to fill in metal sleeve（12）, metal sleeve
（12）Close to compression spring（5）One end be pressed on shielded layer（4）On, metal sleeve（12）Interior thermocouple wire working end（13）It passes through
Adiabatic silica gel plug（11）Intermediate throughholes are stretched out, thermocouple wire working end（13）With copper sheet（15）Connection, adiabatic silica gel plug（11）
Bottom and copper sheet（15）Between gap silicon rubber（14）Filling.
2. spring-pressing fix type thermocouple according to claim 1, which is characterized in that compensating wire（2）To be surrounded by polytetrafluoro
Ethylene glass wire.
3. spring-pressing fix type thermocouple according to claim 1, which is characterized in that connecting terminal（1）For Y types or needle-like.
4. spring-pressing fix type thermocouple according to claim 1, which is characterized in that compression spring（5）Both ends be free end with
Installation site is adjusted to control thermocouple lower end extension elongation.
5. spring-pressing fix type thermocouple according to claim 1, which is characterized in that by spot welding mode by thermocouple wire work
Make end（13）It is welded on copper sheet（15）On.
6. spring-pressing fix type thermocouple according to claim 1, which is characterized in that adiabatic silica gel plug（11）For stepped ramp type,
Outer diameter is equal to metal sleeve（12）Metal sleeve is filled in the side of internal diameter（12）；Adiabatic silica gel plug（11）Other side outer diameter is more than gold
Belong to casing（12）Internal diameter is less than stud（10）Internal diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820050803.1U CN207964109U (en) | 2018-01-12 | 2018-01-12 | A kind of spring-pressing fix type thermocouple |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820050803.1U CN207964109U (en) | 2018-01-12 | 2018-01-12 | A kind of spring-pressing fix type thermocouple |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207964109U true CN207964109U (en) | 2018-10-12 |
Family
ID=63733037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820050803.1U Expired - Fee Related CN207964109U (en) | 2018-01-12 | 2018-01-12 | A kind of spring-pressing fix type thermocouple |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207964109U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108036871A (en) * | 2018-01-12 | 2018-05-15 | 南京航空航天大学 | A kind of spring-pressing fix type thermocouple |
-
2018
- 2018-01-12 CN CN201820050803.1U patent/CN207964109U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108036871A (en) * | 2018-01-12 | 2018-05-15 | 南京航空航天大学 | A kind of spring-pressing fix type thermocouple |
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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: 20181012 |