CN205280233U - Platinum resistance surface temperature sensor - Google Patents
Platinum resistance surface temperature sensor Download PDFInfo
- Publication number
- CN205280233U CN205280233U CN201521072239.6U CN201521072239U CN205280233U CN 205280233 U CN205280233 U CN 205280233U CN 201521072239 U CN201521072239 U CN 201521072239U CN 205280233 U CN205280233 U CN 205280233U
- Authority
- CN
- China
- Prior art keywords
- flat cable
- platinum
- platinum resistance
- line ball
- temperature sensor
- 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.)
- Active
Links
Abstract
The utility model discloses a platinum resistance surface temperature sensor, including platinum resistance element, line ball ring, flat cable, film and coating, platinum resistance element connects on the film, and line ball ring cover is on flat cable to fix on flat cable at film border position, flat cable is the three -core structure, and the flat cable of platinum resistance element and three -core carries out melting welding, and the platinum resistance element flat cable film region in and line ball encircle to coat and be stamped the coating. The utility model discloses it fixes on the film to pass through the line ball ring with three -core flat cable to keep apart to be covered by the coating, transfer to the cable and the line ball loop closes the place with the impetus of power, makes stability and the insulating reliability of having ensured the total in complicated applied environment.
Description
Technical field
This utility model relates to a kind of platinum resistance surface temperature sensor, for the measurement of surface temperature, belongs to sensor field.
Background technology
Temperature sensor is widely used in industry, production and life, and surface temperature sensor is one type, for various body surfaces are carried out temperature survey. Platinum resistance, due to the advantage such as temperature measurement accuracy height, compact, signal processing circuit be simple, is widely used in surface temperature measurement.
Currently used platinum resistance surface temperature sensor, from the placed angle of temperature-sensing element (device), mainly has three kinds of versions: the first is that resistance thermometer clement is exposed outside, directly contacts measured surface; The second is that resistance thermometer clement is inserted a small size flat tube configuration, and overall simple glue seals; The third is that resistance thermometer clement is inserted a complicated box structure, carries out effective glue envelope and fixing. Owing to resistance thermometer clement stock size is only small and lead-in wire is relatively thin, adopting the temperature sensor of the first structure, more fragile in compared with complicated applications environment, insulating properties are difficult to ensure that simultaneously; Due to the restriction in structural design, the temperature sensor adopting the second structure causes that product resistance to tension is weak, in use easily damage because of external pull; Although adopt the third structure temperature sensor can securement element carry out effective glue envelope, but often complicated structure, volume significantly increases.
For this reason, it may be necessary to carry out a kind of brand-new structural design, to overcome the drawback of above-mentioned three kinds of temperature sensors.
Utility model content
This utility model is solved the technical problem that: for overcoming the deficiencies in the prior art, it is provided that a kind of platinum resistance surface temperature sensor, ensureing on life base in service life, improves its certainty of measurement.
Technical solution of the present utility model:
A kind of platinum resistance surface temperature sensor, including platinum resistive element, line ball ring, flat cable, egative film and coating, described platinum resistive element is connected on egative film, line ball is located on flat cable, and it is fixed on flat cable in backsheet edge position, flat cable is three-core structure, and the flat cable of platinum resistive element and three cores carries out melting welding, platinum resistive element flat cable in backsheet zone and be coated with coating on line ball ring.
Platinum resistive element contains two lead-in wires, and wherein a lead-in wire is connected with a core of flat cable, and another lead-in wire is connected with the two other core of flat cable.
Described coating is polyimide coating, and coating layer thickness is 1.6��2mm.
Line ball ring is 0.4��0.6mm from backsheet edge.
Described egative film is stainless steel metal material, and thickness is 0.08-0.12mm.
The heart yearn material of described flat cable is silver-plated copper.
Described platinum resistive element is film platinum resistor element, and Applicable temperature ranges for-263 DEG C��300 DEG C.
The beneficial effects of the utility model are:
(1) three-core flat cable is fixed on egative film by line ball ring by this utility model, and covered by coating isolation, the impetus of power is transferred to cable and line ball loops closes place, make in complicated applications environment, ensure that the stability of total and the reliability of insulation;
(2) this utility model polyimide coating thickness is only 1.6��2mm, and volume is little, and thermal capacitance is low, effectively reduces the error that surface to be measured is caused by surrounding environment influence, improves the precision of measurement.
Accompanying drawing explanation
Fig. 1 is this utility model structural representation;
Fig. 2 is this utility model circuit theory diagrams.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described further.
It is illustrated in figure 1 this utility model structural representation, structural member in this example includes platinum resistive element 1, line ball ring 2, flat cable 3, egative film 4 and coating 6, described platinum resistive element 1 is film platinum resistor element, it is of a size of 2.3mm �� 2.0mm �� 1.0mm, resistance is pt100, Applicable temperature ranges for-263 DEG C��300 DEG C, it is connected on egative film 4, egative film 4 is stainless steel metal material, thickness is 0.1mm, guarantee that egative film 4 hardness is moderate, easily processing, heatproof, line ball ring 2 is placed on flat cable 3, and it is fixed on flat cable 3 at egative film 4 marginal position, line ball ring 2 is 0.5mm from egative film 4 edge. flat cable 3 is three-core structure, the heart yearn material of flat cable 3 is silver-plated copper, the flat cable 3 of platinum resistive element 1 and three cores carries out melting welding, platinum resistive element 1 flat cable 3 in egative film 4 region and be coated with polyimide coating 6 on line ball ring 2, and thickness is 1.6��2mm.
Three-core flat cable is fixed on egative film by this utility model by line ball ring, and is covered by coating isolation, the impetus of power is transferred to cable and line ball loops closes place, make to ensure that the stability of total and the reliability of insulation in complicated applications environment.
Be illustrated in figure 2 this utility model circuit theory and wiring schematic diagram, its ultimate principle be platinum resistive element 1 at different temperature, its resistance value R (��) with temperature t (DEG C) become positive temperature coefficient change. Platinum resistive element (1) is containing two lead-in wires, and wherein a lead-in wire is connected with a core of flat cable 3, and another lead-in wire is connected with the two other core of flat cable 3. In order to improve certainty of measurement, between reduction thermal resistance and measurement device, the resistance of connecting lead wire is because of the measurement error caused by variation of ambient temperature, and the output of platinum resistive element 1 adopts three-wire system.
This utility model adopts platinum resistance principle to measure surface temperature. The ultimate principle of platinum resistor temperature measuring changes with temperature for its resistance value, and it uses temperature range to be-200 DEG C��850 DEG C, in this warm area, is generally divided into two temperature ranges to describe the relation of resistance and temperature.
Within the scope of (-200��0) DEG C, the resistance of platinum resistance thermometer sensor, and the corresponding relation of temperature be:
Rt=R0[1+At+Bt2+Ct3(t-100)](1)
Within the scope of (0��850) DEG C, the resistance of platinum resistance and the corresponding relation of temperature be:
Rt=R0[1+At+Bt2](2)
In formula: RtFor the platinum resistance resistance when t DEG C, R0For the platinum resistance thermometer sensor, resistance when 0 DEG C, A, B, C are constant.
Therefore, according to formula (1), formula (2), by measuring platinum resistance thermometer sensor, resistance value R at different temperaturest, it is possible to obtain this temperature value t.
Assembling process in this utility model as follows: the heart yearn of platinum resistive element 1 with three-core flat cable 3 is carried out melting welding, signal is drawn and is adopted three-wire system; Then a small amount of fast binder is used to be fixed on egative film 4 by platinum resistive element 1; Thickness is used to be between two to platinum resistive element of 0.04 Kapton go between, do insulation processing between lead-in wire and egative film 4 and fix subsequently; Then the line ball ring 2 being enclosed within flat cable 3 in advance being pushed into backsheet edge and be about 0.5mm place, using subsequently in the middle part of frock extruding line ball ring 2 so that it is be deformed thus being fixed on flat cable 3; Finally use special spraying frock repeatedly to spray repeatedly, around platinum resistive element 1 and line ball ring 2, the polyimide solution that concentration is about 20��30%, subsequently product is being put into baking oven, dry at a certain temperature and molding. After molding, Spray Application is rectangular shape, and its size is about 10mm �� 4mm �� 1.6mm.
This utility model volume is little, and thermal capacitance is low, effectively reduces the error that surface to be measured is caused by surrounding environment influence, improves the precision of measurement.
The unspecified part of this utility model belongs to general knowledge as well known to those skilled in the art.
Claims (7)
1. a platinum resistance surface temperature sensor, it is characterized in that: include platinum resistive element (1), line ball ring (2), flat cable (3), egative film (4) and coating (6), described platinum resistive element (1) is connected on egative film (4), line ball ring (2) is placed on flat cable (3), and it is fixed on flat cable (3) at egative film (4) marginal position, flat cable (3) is three-core structure, the flat cable (3) of platinum resistive element (1) and three cores carries out melting welding, platinum resistive element (1) flat cable (3) in egative film (4) region and be coated with coating (6) on line ball ring (2).
2. a kind of platinum resistance surface temperature sensor as claimed in claim 1, it is characterized in that: platinum resistive element (1) is containing two lead-in wires, wherein a lead-in wire is connected with a core of flat cable (3), and another lead-in wire is connected with the two other core of flat cable (3).
3. a kind of platinum resistance surface temperature sensor as claimed in claim 1, it is characterised in that: described coating (6) is polyimide coating, and coating (6) thickness is 1.6��2mm.
4. a kind of platinum resistance surface temperature sensor as claimed in claim 1, it is characterised in that: line ball ring (2) is 0.4��0.6mm from egative film (4) edge.
5. a kind of platinum resistance surface temperature sensor as claimed in claim 1, it is characterised in that: described egative film (4) is stainless steel metal material, and thickness is 0.08-0.12mm.
6. a kind of platinum resistance surface temperature sensor as claimed in claim 1, it is characterised in that: the heart yearn material of described flat cable (3) is silver-plated copper.
7. a kind of platinum resistance surface temperature sensor as claimed in claim 1, it is characterised in that: described platinum resistive element (1) is film platinum resistor element, and Applicable temperature ranges for-263 DEG C��300 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521072239.6U CN205280233U (en) | 2015-12-21 | 2015-12-21 | Platinum resistance surface temperature sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521072239.6U CN205280233U (en) | 2015-12-21 | 2015-12-21 | Platinum resistance surface temperature sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205280233U true CN205280233U (en) | 2016-06-01 |
Family
ID=56064799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521072239.6U Active CN205280233U (en) | 2015-12-21 | 2015-12-21 | Platinum resistance surface temperature sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205280233U (en) |
-
2015
- 2015-12-21 CN CN201521072239.6U patent/CN205280233U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2019154129A1 (en) | Cilium temperature sensing-based flexible electronic skin and preparation method therefor | |
| CN106782949B (en) | A kind of wire wrap nickel current sensing element and production method | |
| CN208847366U (en) | Low temperature contact surface temperature sensor | |
| CN207816885U (en) | Film hydrogen gas sensor with self-heating and temperature compensation function | |
| CN105371976A (en) | Thermal resistance temperature measuring device and temperature measuring method | |
| CN102507036A (en) | MMW (millimeter wave) power sensor and calorimeter provided with same | |
| CN205280233U (en) | Platinum resistance surface temperature sensor | |
| CN209605964U (en) | A kind of accurate temperature sensor of measurement | |
| CN104374494A (en) | Packaging structure for thermistor temperature coefficient calibration | |
| CN109282910A (en) | Double redundancy temperature-sensing element (device) | |
| CN204286741U (en) | The platinum resistance heat flux sensor of serpentine film | |
| CN207215307U (en) | The double remaining temperature-sensing element (device)s of enwinding type | |
| CN203929258U (en) | A kind of thin film sensor for transient temperature measuring | |
| CN112179943B (en) | Probe for measuring heat conductivity coefficient and preparation method thereof | |
| CN208254667U (en) | A kind of platinum resistance temperature sensor | |
| CN211347146U (en) | High-precision surface temperature measuring sensor | |
| CN204228300U (en) | A kind of encapsulating structure demarcated for thermistor temp coefficient | |
| CN208998943U (en) | A kind of transformer coil temperature measuring device | |
| CN204924485U (en) | Immersion temperature sensor | |
| CN114216580A (en) | Device for measuring low-temperature surface and assembling mode thereof | |
| CN107063493B (en) | Dual-purpose temperature-measuring and heating sensor | |
| CN201909649U (en) | High-accuracy liquid level sensor | |
| CN220625547U (en) | Sheet type temperature sensor for surface temperature measurement | |
| US11885657B2 (en) | Measuring device | |
| CN201945385U (en) | Sensor with thermocouple and thermal resistance being armored integrally |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |