CN219798563U - Two-wire Pt100 temperature sensor for traction motor - Google Patents
Two-wire Pt100 temperature sensor for traction motor Download PDFInfo
- Publication number
- CN219798563U CN219798563U CN202321190793.9U CN202321190793U CN219798563U CN 219798563 U CN219798563 U CN 219798563U CN 202321190793 U CN202321190793 U CN 202321190793U CN 219798563 U CN219798563 U CN 219798563U
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- CN
- China
- Prior art keywords
- probe
- traction motor
- temperature sensor
- cable
- wire
- 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.)
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- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims abstract description 61
- 229910052697 platinum Inorganic materials 0.000 claims abstract description 29
- 239000000523 sample Substances 0.000 claims abstract description 21
- 238000003466 welding Methods 0.000 claims abstract description 8
- 239000003292 glue Substances 0.000 claims abstract description 5
- 239000011810 insulating material Substances 0.000 claims abstract description 5
- 239000000565 sealant Substances 0.000 claims abstract description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 abstract description 3
- 241001391944 Commicarpus scandens Species 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model relates to the technical field of sensors, and discloses a two-wire Pt100 temperature sensor for a traction motor, which comprises a shell, wherein a probe is arranged on the shell in an interference fit manner, the shell and the probe are reinforced in a laser welding manner, and a platinum resistor core body is embedded and arranged in the central position of the interior of the probe; the other end of the platinum resistor core body is connected with a cable, the other end of the cable is connected with an end piece, the end piece is connected with the cable in a ring pressing mode, and the tail end of the end piece is connected with a corrugated pipe. The heat conduction insulating sealant is filled between the probe of the two-wire Pt temperature sensor for the traction motor and the platinum resistor core, so that the full sealing of the probe is realized, the IP protection level is realized, and the traction motor is completely suitable for severe environments; the pins of the platinum resistor core body are completely wrapped by high-temperature-resistant insulating materials and filled with high-heat-conductivity elastic glue, so that the platinum resistor core body is completely and integrally wrapped, and a better protection effect is achieved.
Description
Technical Field
The utility model relates to the technical field of sensors, in particular to a two-wire Pt100 temperature sensor for a traction motor.
Background
The temperature sensor (temperature transducer) is a sensor that senses temperature and converts it into a usable output signal. The temperature sensor is a core part of the temperature measuring instrument and has various varieties. The measuring method can be divided into two main types, namely contact type and non-contact type, and the measuring method can be divided into two types, namely thermal resistor and thermocouple according to the characteristics of sensor materials and electronic elements.
The two-wire Pt100 temperature sensor adopts a Pt100 thin film platinum resistor as a temperature sensing element, two wires are respectively connected to two leads of the platinum resistor, and a traction system realizes temperature measurement of a traction motor by detecting the resistance value of the Pt100 thin film resistor.
The existing two-wire Pt100 temperature sensor cannot meet the requirements of use under severe conditions such as high temperature and the like due to the structure, and the cable has low tensile pull force and is easy to break.
Disclosure of Invention
Aiming at the defects that the existing two-wire Pt100 temperature sensor cannot meet the use under severe conditions such as high temperature and the like due to structural reasons, and the cable is low in tensile pulling force and easy to break, the utility model provides the two-wire Pt temperature sensor for the traction motor, which comprises a shell, wherein a probe is arranged on the shell in an interference fit manner, the shell and the probe are reinforced in a laser welding manner, and a platinum resistor core is embedded and arranged in the inner center position of the probe; the other end of the platinum resistor core body is connected with a cable, the other end of the cable is connected with an end piece, the end piece is connected with the cable in a ring pressing mode, and the tail end of the end piece is connected with a corrugated pipe.
As a further aspect of the present utility model, the housing is made of stainless steel.
As a further scheme of the utility model, a heat-conducting insulating sealant is filled between the probe and the platinum resistor core.
As a further scheme of the utility model, the cable is connected with the pins of the platinum resistor core body in a contact welding mode, and the pulling resistance is more than or equal to 9N.m.
As a further scheme of the utility model, the pins of the platinum resistor core are completely wrapped by high-temperature resistant insulating materials and filled with high-heat-conductivity elastic glue.
As a further scheme of the utility model, the outside of the end piece is coated with the double-layer heat shrinkage tube, and the cable tensile pull-out force is more than or equal to 100N.m.
The utility model provides a two-wire Pt100 temperature sensor for a traction motor, which has the following beneficial effects:
the heat conduction insulating sealant is filled between the probe of the two-wire Pt temperature sensor for the traction motor and the platinum resistor core, so that the full sealing of the probe is realized, the IP protection level is realized, and the traction motor is completely suitable for severe environments; the other end of the platinum resistor core body is connected with a cable, the cable is connected with pins of the platinum resistor core body in a contact welding mode, and the pulling resistance is more than or equal to 9N.m; the pins of the platinum resistor core body are completely wrapped by high-temperature-resistant insulating materials and filled with high-heat-conductivity elastic glue, so that the platinum resistor core body is completely and integrally wrapped, and a better protection effect is achieved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model.
In the figure: 1. a housing; 2. a probe; 3. a platinum resistor core; 4. a cable; 5. an end piece; 6. a bellows.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, the present utility model provides a technical solution: the two-wire Pt100 temperature sensor for the traction motor comprises a shell 1, wherein the shell 1 is made of stainless steel, plays a role in corrosion resistance, a probe 2 is installed on the shell 1 in an interference fit manner, the shell 1 and the probe 2 are further reinforced in a laser welding manner, a platinum resistor core body 3 is embedded and installed in the inner center position of the probe 2, and heat conduction insulating sealant is filled between the probe 2 and the platinum resistor core body 3, so that the full sealing of a probe is realized, the IP68 protection level is realized, and the sensor is completely suitable for a severe environment; the other end of the platinum resistor core body 3 is connected with a cable 4, the cable 4 is connected with pins of the platinum resistor core body 3 in a contact welding mode, and the tensile pulling force is more than or equal to 9N.m; the pins of the platinum resistor core body 3 are completely wrapped by adopting a high-temperature resistant insulating material and filled with high-heat-conductivity elastic glue, the platinum resistor core body 3 is completely and integrally wrapped, a better protection effect is achieved, the other end of the cable 4 is connected with an end piece 5, the end piece 5 is connected with the cable 4 in a ring-pressing mode, the outer part of the end piece 5 is wrapped by a double-layer heat shrinkage pipe, and the tensile pull-out force of the cable is more than or equal to 100N.m; the tail end of the end piece 5 is connected with a corrugated pipe 6, and the corrugated pipe 6 wraps the cable 4 and gives the cable protection.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a traction motor is with two-wire system Pt100 temperature sensor, includes shell (1), its characterized in that, interference fit installs probe (2) on shell (1), still adopts laser welding's mode to consolidate between shell (1) and the probe (2), platinum resistance core (3) are installed in the inside central point position embedding of probe (2), the other end of platinum resistance core (3) is connected with cable (4), and the other end of cable (4) is connected with end piece (5), adopts the ring to press the mode to be connected between end piece (5) and the cable (4), and the tail end connection of end piece (5) has bellows (6).
2. The two-wire Pt100 temperature sensor for a traction motor of claim 1, wherein: the shell (1) is made of stainless steel.
3. The two-wire Pt100 temperature sensor for a traction motor of claim 1, wherein: and a heat conduction insulating sealant is filled between the probe (2) and the platinum resistor core body (3).
4. The two-wire Pt100 temperature sensor for a traction motor of claim 1, wherein: the cable (4) is connected with the pins of the platinum resistor core body (3) in a contact welding mode, and the tensile pulling force is more than or equal to 9N.m.
5. The two-wire Pt100 temperature sensor for a traction motor of claim 1, wherein: the pins of the platinum resistor core body (3) are completely wrapped by high-temperature resistant insulating materials and filled with high-heat-conductivity elastic glue.
6. The two-wire Pt100 temperature sensor for a traction motor of claim 1, wherein: the outside of the end piece (5) is coated with a double-layer heat shrinkage tube, and the cable tensile pulling force is more than or equal to 100N.m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321190793.9U CN219798563U (en) | 2023-05-17 | 2023-05-17 | Two-wire Pt100 temperature sensor for traction motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321190793.9U CN219798563U (en) | 2023-05-17 | 2023-05-17 | Two-wire Pt100 temperature sensor for traction motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219798563U true CN219798563U (en) | 2023-10-03 |
Family
ID=88157482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321190793.9U Active CN219798563U (en) | 2023-05-17 | 2023-05-17 | Two-wire Pt100 temperature sensor for traction motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219798563U (en) |
-
2023
- 2023-05-17 CN CN202321190793.9U patent/CN219798563U/en active Active
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