CN207991705U - High temperature PT100 thermal resistances - Google Patents
High temperature PT100 thermal resistances Download PDFInfo
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- CN207991705U CN207991705U CN201820279133.0U CN201820279133U CN207991705U CN 207991705 U CN207991705 U CN 207991705U CN 201820279133 U CN201820279133 U CN 201820279133U CN 207991705 U CN207991705 U CN 207991705U
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Abstract
The utility model discloses a kind of high temperature PT100 thermal resistances, including stainless steel shielding netting wire, a positive electrode resistance core and two cathode resistor cores are provided in stainless steel shielding netting wire, one end of positive electrode resistance core and cathode resistor core is arranged with temperature probe, temperature probe is fixed by a thread head, it is connected with spring between thread head and stainless steel shielding netting wire, PT100 chips are provided in temperature probe, PT100 chips are connect with positive electrode resistance core and cathode resistor core, the other end of a piece positive electrode resistance core and two cathode resistor cores is connected separately with M4Y type crimp type terminals, it is arranged with thermal contraction casing tube between M4Y types crimp type terminal and stainless steel shielding netting wire.The temperature-measurement principle of the utility model is the property that is varied with temperature according to the resistance of conductor (or semiconductor) to measure, its measurement range is at subzero 200 800 DEG C, it, can be with teletransmission electric signal, the advantage that high sensitivity, stability is strong, interchangeability and accuracy are good with high temperature resistant.
Description
Technical field
The utility model is related to thermal resistance field more particularly to a kind of high temperature PT100 thermal resistances.
Background technology
Thermal resistance (thermal resistor) is a kind of most common temperature detector of middle low-temperature space.Thermistor Temperature Measurement is
With the increase of temperature increase this characteristic based on the resistance value of metallic conductor to measure into trip temperature.It is mainly characterized by
High certainty of measurement, performance are stablized.
Plain edition thermal resistance currently on the market, from the temperature-measurement principle of thermal resistance it is found that the variation of dut temperature is direct
It is measured by the variation of thermal resistance resistance value, therefore, the variation of the various conductor resistances such as lead-out wire of thermoelectricity resistance body can give temperature
Degree is measured and is affected, and sensitivity, stability, interchangeability and accuracy is caused to reduce.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of high temperature resistant, can with teletransmission electric signal,
The high temperature PT100 thermal resistances that high sensitivity, stability are strong, interchangeability and accuracy are all relatively good.
The technical solution of the utility model is as follows：A kind of high temperature PT100 thermal resistances, including stainless steel shielding netting wire, it is described
Three resistor cores are provided in stainless steel shielding netting wire, one end of the resistor core is arranged with temperature probe, and the temperature probe passes through
One thread head is fixed, and spring is connected between the thread head and the stainless steel shielding netting wire, is provided in the temperature probe
PT100 chips, the PT100 chips with connect respectively with the resistor core, the other end of the resistor core is connected separately with M4Y
Type crimp type terminal is arranged with thermal contraction casing tube between the M4Y types crimp type terminal and the stainless steel shielding netting wire.
Further, the connecting pin of the anode and the PT100 chips of the resistor core is arranged with refractory ceramics.
Further, wherein two resistor cores are externally provided with white fiberglass wrapping layer, in addition a resistor core is externally provided with
Red glass fiber wrapping layer.
Further, pass through argon arc welding between the PT100 chips and the resistor core.
Further, the thread head includes nut portion and male thread portion, and the height of the nut portion is 4mm,
The height of the male thread portion is 12mm, and externally threaded specification is M8*1mm.
Further, the temperature probe is mounted in the thread head and fixed, a diameter of 6mm of extension.
Compared with the existing technology, the beneficial effects of the utility model are：High temperature PT100 heat provided by the utility model
Resistance, including stainless steel shielding netting wire are provided with three resistor cores in stainless steel shielding netting wire, and one end of resistor core is arranged with spy
Warm head, temperature probe are fixed by a thread head, and spring is connected between thread head and stainless steel shielding netting wire, is arranged in temperature probe
There are PT100 chips, PT100 chips to be connect with resistor core, the other end of resistor core is connected separately with M4Y type crimp type terminals, M4Y types
It is arranged with thermal contraction casing tube between crimp type terminal and stainless steel shielding netting wire.Its temperature-measurement principle is according to conductor (or semiconductor)
For the property that resistance varies with temperature come what is measured, measurement range has high temperature resistant at subzero 200-800 DEG C, can be with teletransmission electricity
The advantage that signal, high sensitivity, stability are strong, interchangeability and accuracy are good.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Specific implementation mode
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
Referring to Fig. 1, a kind of high temperature PT100 thermal resistances of the utility model, including stainless steel shielding netting wire 1, stainless steel
Shielding netting wire 1 is provided with three resistor cores 2, and one end of resistor core 2 is arranged with temperature probe 3, and temperature probe 3 is solid by a thread head 4
It is fixed, it is connected with spring 5 between thread head 4 and stainless steel shielding netting wire 1, PT100 chips 6, PT100 cores are provided in temperature probe 3
Piece 6 with connect respectively with resistor core 2, the other end of resistor core 2 is connected separately with M4Y types crimp type terminal 7, M4Y type crimp type terminals
Thermal contraction casing tube 8 is arranged between 7 and stainless steel shielding netting wire 1.
In the present embodiment, the connecting pin of the anode and PT100 chips 6 of resistor core 2 is arranged with refractory ceramics 9.It makes it have
The advantages of high pressure resistant, high temperature resistant, high rigidity and high intensity.
In the present embodiment, wherein two resistor cores 2 are externally provided with white fiberglass wrapping layer, in addition outside a resistor core 2
Equipped with red glass fiber wrapping layer.
In the present embodiment, pass through argon arc welding between PT100 chips 6 and resistor core 2.
In the present embodiment, the thread head 4 includes nut portion and male thread portion, and the height of the nut portion is
The height of 4mm, the male thread portion are 12mm, and externally threaded specification is M8*1mm.
In the present embodiment, the temperature probe 3 is mounted in thread head 4 and fixed, a diameter of 6mm of extension.
The temperature-measurement principle of the utility model is the property that is varied with temperature according to the resistance of conductor (or semiconductor) to measure
, it when measurement, is measured by temperature probe, measurement range has high temperature resistant at subzero 200-800 DEG C, can be with teletransmission electricity
The advantage that signal, high sensitivity, stability are strong, interchangeability and accuracy are good.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all in this practicality
All any modification, equivalent and improvement etc., should be included in the guarantor of the utility model made by within novel spirit and principle
Within the scope of shield.
Claims (6)
1. a kind of high temperature PT100 thermal resistances, it is characterised in that：Including stainless steel shielding netting wire, in the stainless steel shielding netting wire
Three resistor cores are provided with, one end of the resistor core is arranged with temperature probe, and the temperature probe is fixed by a thread head, described
It is connected with spring between thread head and the stainless steel shielding netting wire, PT100 chips are provided in the temperature probe, it is described
PT100 chips with connect respectively with the resistor core, the other end of the resistor core is connected separately with M4Y type crimp type terminals, institute
It states and is arranged with thermal contraction casing tube between M4Y types crimp type terminal and the stainless steel shielding netting wire.
2. high temperature PT100 thermal resistances according to claim 1, it is characterised in that：The resistor core anode with it is described
The connecting pin of PT100 chips is arranged with refractory ceramics.
3. high temperature PT100 thermal resistances according to claim 1 or 2, it is characterised in that：Wherein two resistor cores are externally provided with white
Color glass fibre wrapping layer, in addition a resistor core be externally provided with red glass fiber wrapping layer.
4. high temperature PT100 thermal resistances according to claim 1, it is characterised in that：The PT100 chips and the resistor core
Between pass through argon arc welding.
5. high temperature PT100 thermal resistances according to claim 1, it is characterised in that：The thread head include nut portion and
The height of male thread portion, the nut portion is 4mm, and the height of the male thread portion is 12mm, externally threaded specification
For M8*1mm.
6. high temperature PT100 thermal resistances according to claim 5, it is characterised in that：The temperature probe is mounted on the screw thread
It is in head and fixed, a diameter of 6mm of extension.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820279133.0U CN207991705U (en) | 2018-02-27 | 2018-02-27 | High temperature PT100 thermal resistances |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820279133.0U CN207991705U (en) | 2018-02-27 | 2018-02-27 | High temperature PT100 thermal resistances |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207991705U true CN207991705U (en) | 2018-10-19 |
Family
ID=63825299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820279133.0U Active CN207991705U (en) | 2018-02-27 | 2018-02-27 | High temperature PT100 thermal resistances |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207991705U (en) |
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2018
- 2018-02-27 CN CN201820279133.0U patent/CN207991705U/en active Active
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