CN220649797U - Two-wire Pt100 temperature sensor for traction inverter air inlet - Google Patents
Two-wire Pt100 temperature sensor for traction inverter air inlet Download PDFInfo
- Publication number
- CN220649797U CN220649797U CN202322202731.1U CN202322202731U CN220649797U CN 220649797 U CN220649797 U CN 220649797U CN 202322202731 U CN202322202731 U CN 202322202731U CN 220649797 U CN220649797 U CN 220649797U
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- China
- Prior art keywords
- cable
- platinum resistor
- core body
- resistor core
- temperature sensor
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- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Substances [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims abstract description 76
- 229910052697 platinum Inorganic materials 0.000 claims abstract description 34
- 239000000523 sample Substances 0.000 claims abstract description 11
- 239000003292 glue Substances 0.000 claims abstract description 5
- 239000011810 insulating material Substances 0.000 claims abstract description 5
- 238000003466 welding Methods 0.000 claims description 4
- 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 2
- 241001391944 Commicarpus scandens Species 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- 238000007789 sealing 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
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 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 an air inlet of a traction inverter, which consists of a shell, a Pt platinum resistor core body 100, a spring, a cable and a connecting terminal, wherein a probe is arranged in the shell, and the Pt platinum resistor core body 100 is embedded and installed in the central position in the center of the probe; the output end of the Pt platinum resistor core body 100 is connected with a cable, the other end of the cable is connected with a connecting terminal, and a spring is also sleeved on the cable. 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, the platinum resistor core body is completely and integrally wrapped, a better protection effect is achieved, the cable is wrapped by the springs, the cable is prevented from being broken when being bent and rocked, and the platinum resistor has good vibration and impact resistance.
Description
Technical Field
The utility model relates to the technical field of sensors, in particular to a two-wire Pt100 temperature sensor for an air inlet of a traction inverter.
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, the cable is low in tensile pulling force and easy to break, and the cable is easy to break when being bent and rocked, so that the cable has good vibration and impact resistance.
Disclosure of Invention
The two-wire Pt100 temperature sensor is not suitable for use under severe conditions such as high temperature due to the structure, the cable is low in tensile pull force and easy to break, and the cable is easy to break when being bent and rocked, so that the cable has good vibration and impact resistance.
The utility model provides a two-wire Pt100 temperature sensor for an air inlet of a traction inverter, which consists of a shell, a Pt platinum resistor core body 100, a spring, a cable and a connecting terminal, wherein a probe is arranged in the shell, and the Pt platinum resistor core body 100 is embedded and installed in the central position in the center of the probe; the output end of the Pt platinum resistor core body 100 is connected with a cable, the other end of the cable is connected with a connecting terminal, and a spring is also sleeved on the cable.
As a further aspect of the present utility model, the housing is made of stainless steel.
As a further scheme of the utility model, the cable is connected with the pins of the Pt platinum resistor core body 100 in a contact welding mode, and the pulling resistance is more than or equal to 9N.
As a further scheme of the utility model, the pins of the Pt platinum resistor core body 100 are completely wrapped by a high-temperature resistant insulating material and filled with high-heat-conductivity elastic glue.
As a further scheme of the utility model, the other end of the connecting terminal is connected with a vehicle machine system.
The utility model provides a two-wire Pt100 temperature sensor for an air inlet of a traction inverter, which has the following beneficial effects:
the heat conduction insulating sealant is filled between the probe of the two-wire Pt100 temperature sensor for the air inlet of the traction inverter and the Pt100 platinum resistor core, so that the full sealing of the probe is realized, the IP protection level is realized, and the traction inverter is completely suitable for severe environments; the other end of the Pt100 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, the platinum resistor core body is completely and integrally wrapped, a better protection effect is achieved, the cable is wrapped by the springs, the cable is prevented from being broken when being bent and rocked, and the platinum resistor has good vibration and impact resistance.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model.
Fig. 2 is a schematic diagram of the working principle of the present utility model.
In the figure: 1. a housing; 2. pt100 platinum resistive core; 3. a spring; 4. a cable; 5. and a connection terminal.
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. 1-2, the present utility model provides a technical solution: the two-wire Pt100 temperature sensor for the traction inverter air inlet consists of a shell 1, a Pt100 platinum resistor core body 2, a spring 3, a cable 4 and a connecting terminal 5, wherein the shell 1 is made of stainless steel and plays a role in corrosion resistance, a probe is arranged in the shell 1, and the Pt100 platinum resistor core body 2 is embedded and installed in the central position in the center of the probe; the output end of the Pt100 platinum resistor core body 2 is connected with a cable 4, the cable 4 is connected with pins of the Pt100 platinum resistor core body 2 in a contact welding mode, the tensile pulling force is more than or equal to 9N, the pins of the Pt100 platinum resistor core body 2 are completely wrapped by a high-temperature resistant insulating material and filled with high-heat-conductivity elastic glue, the Pt100 platinum resistor core body 2 is completely and integrally wrapped, the other end of the cable 4 is connected with a connecting terminal 5, the other end of the connecting terminal 5 is connected with a vehicle machine system, a spring 3 is further sleeved on the cable 4, the spring 3 is fixed at a shell orifice to protect the cable, the Pt100 platinum resistor core body 2 is preset at the center of a shell probe, heat-conductivity insulating sealant is filled in the shell 1, the Pt100 platinum resistor core body 2 and the spring 3 are fixed in a sealing mode, the IP68 protection level is realized, and the cable is completely applicable to severe environments. The cable is wrapped by the spring, so that the cable is not broken when being bent and rocked, and the cable has good vibration and impact resistance.
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 (5)
1. The two-wire Pt100 temperature sensor for the traction inverter air inlet consists of a shell (1), a Pt100 platinum resistor core body (2), a spring (3), a cable (4) and a connecting terminal (5), wherein a probe is arranged in the shell (1), and the Pt100 platinum resistor core body (2) is embedded and installed in the central position in the center of the probe; the output end of the Pt100 platinum resistor core body (2) is connected with a cable (4), and the other end of the cable (4) is connected with a connecting terminal (5), and the platinum resistor core is characterized in that a spring (3) is sleeved on the cable (4).
2. The two-wire Pt100 temperature sensor for a traction inverter intake as set forth in claim 1, wherein: the shell (1) is made of stainless steel.
3. The two-wire Pt100 temperature sensor for a traction inverter intake as set forth in claim 1, wherein: the cable (4) is connected with the pins of the Pt100 platinum resistor core body (2) in a contact welding mode, and the pulling resistance is more than or equal to 9N.
4. The two-wire Pt100 temperature sensor for a traction inverter intake as set forth in claim 1, wherein: and pins of the Pt100 platinum resistor core body (2) are completely wrapped by adopting a high-temperature resistant insulating material and filled with high-heat-conductivity elastic glue.
5. The two-wire Pt100 temperature sensor for a traction inverter intake as set forth in claim 1, wherein: the other end of the connecting terminal (5) is connected with a vehicle-mounted system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322202731.1U CN220649797U (en) | 2023-08-16 | 2023-08-16 | Two-wire Pt100 temperature sensor for traction inverter air inlet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322202731.1U CN220649797U (en) | 2023-08-16 | 2023-08-16 | Two-wire Pt100 temperature sensor for traction inverter air inlet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220649797U true CN220649797U (en) | 2024-03-22 |
Family
ID=90291073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322202731.1U Active CN220649797U (en) | 2023-08-16 | 2023-08-16 | Two-wire Pt100 temperature sensor for traction inverter air inlet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220649797U (en) |
-
2023
- 2023-08-16 CN CN202322202731.1U patent/CN220649797U/en active Active
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