CN208635934U - A kind of water temperature sensor - Google Patents
A kind of water temperature sensor Download PDFInfo
- Publication number
- CN208635934U CN208635934U CN201821336754.4U CN201821336754U CN208635934U CN 208635934 U CN208635934 U CN 208635934U CN 201821336754 U CN201821336754 U CN 201821336754U CN 208635934 U CN208635934 U CN 208635934U
- Authority
- CN
- China
- Prior art keywords
- water temperature
- temperature sensor
- shell
- thermistor
- conducting 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.)
- Expired - Fee Related
Links
Abstract
The utility model provides a kind of water temperature sensor, solves existing water temperature sensor in use and will appear the technical problem that leakproofness, temperature tolerance are bad, service life is short.The water temperature sensor includes shell, cable-assembly, sheath and fixture nut, cable-assembly includes thermistor and conducting wire, the thermistor tail end is fixed with conducting wire using argon arc welding mode, thermistor is mounted in shell, fixture nut and the fastening of shell tailing screw flight are installed, sheath is set with and is weldingly fixed on fixture nut tail end, and the conducting wire periphery is equipped with heat-shrink tube.The water temperature sensor product reliability of the utility model is high, and heat resistance is good, good seal performance, extends the service life of water temperature sensor.
Description
Technical field
The utility model belongs to sensor technical field, is related to a kind of water temperature sensor.
Background technique
Current water temperature sensor mainly has wire resistor formula, thermistor-type, diffusion resistance formula, semiconductor transistor
Formula, metal core type and thermojunction type etc..The most common water temperature sensor is thermistor-type.Water temperature sensor, which is mounted on, starts
It on the water jacket of machine cylinder body or cylinder cap, is contacted with cooling water, for detecting engine prewarming temperature and cooling water temperature, inside is half
Conductor thermistor has negative temperature resistance coefficient, and water temperature is lower, and resistance is higher, conversely, water temperature is higher, resistance is lower.Benefit
With the temperature sensitive properties of thermistor, the variation of environment temperature is converted into resistance variation, and is turned by bleeder circuit
Change voltage signal output electron controller into.Existing water temperature sensor will appear leakproofness, temperature tolerance in use
Bad situation, influences the working performance of water temperature sensor, and service life is short.
Utility model content
In order to solve the above-mentioned technical problem, the utility model provides that a kind of environmental resistance is good, water temperature of high reliablity passes
Sensor.
In order to achieve the above object, the utility model adopts the following technical solution: a kind of water temperature sensor, including shell,
Cable-assembly, sheath and fixture nut, cable-assembly include thermistor and conducting wire, and the thermistor tail end and conducting wire use
Argon arc welding mode is fixed, and thermistor is mounted in shell, and fixture nut and the fastening of shell tailing screw flight are installed, and sheath is set with simultaneously
It is weldingly fixed on fixture nut tail end, the conducting wire periphery is equipped with heat-shrink tube.
Further, the sheath is that corrugated stainless steel tubing or polytetrafluoroethylene (PTFE) braided steel wire shield hose.
Further, the thermistor is PT1000 platinum resistance thermometer sensor, and HM340 high is used between thermistor and shell
Heat conduction organosilicon sealant encapsulating.
Further, the shell periphery is equipped with M10 and installs screw thread.
Further, the shell is respectively that 1Cr18Ni9Ti stainless steel material is made with fixture nut.
Further, the conducting wire is perfluoroethylene-propylene insulated electric conductor, and W-3 epoxy type is used between conducting wire and shell
Thermostable heat-conductive glue encapsulating.
Further, the heat-shrink tube is double wall heat draw.
Further, the sheath periphery reinforces the fixation between fixture nut using steel band.
Compared with prior art, the utility model has the following beneficial effects:
(1) shell of the utility model and fixture nut are made of 1Cr18Ni9Ti stainless steel material, are made it have good
Mechanical property well, environmental resistance；
(2) heat-shrink tube is made of double wall heat draw, and the toughness and intensity of double wall heat draw all have preferable characteristic；
(3) conducting wire selects perfluoroethylene-propylene insulated electric conductor, which has excellent electrical insulation properties and mechanical object
Rationality energy, and have the excellent characteristics such as small in size, light-weight, fire-retardant, impact resistance heat-proof aging, high-low temperature resistant, can -65 DEG C~
It is used for a long time within the scope of 250 DEG C, meets the index request that product connecting cable heatproof is not less than 200 DEG C；
(4) it is fixed between conducting wire and platinum resistance thermometer sensor, using argon arc welding, the available good welding point of argon arc welding.Argon arc
Weldering is open arc welding, and operation, observation are convenient, and the arc burning of argon arc welding is stablized, and heat is concentrated, and arc column temperature is high, welding production
It is high-efficient, it is not limited by weldment position.
(5) sheath selects corrugated stainless steel tubing, environment resistant good, polytetrafluoroethylene (PTFE) steel wire can be selected to compile if space is limited
Shielding hose is knitted as cable jacket, can tolerate the high temperature of 200 DEG C of engine environment, flexibility is good, rolls over convenient for harness beamforming
It is curved etc..
(6) HM340 high heat conduction organosilicon sealant is selected in the encapsulating of PT1000 platinum resistance thermometer sensor, because HM340 high thermal conductivity has
Machine silicone sealant has room temperature curing, heating that can accelerate to solidify, and the performance of minimum shrinkage, good dielectric properties ensure that
The sealing performance of product.
The water temperature sensor product reliability of the utility model is high, and heat resistance is good, good seal performance, extends water temperature biography
The service life of sensor.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the schematic diagram of internal structure of the utility model；
In figure: 1- shell；2- cable-assembly；2-1- conducting wire；2-2- thermistor；3- sheath；4- fixture nut；5- pyrocondensation
Pipe；6-M10 installs screw thread；7- steel band.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment
- Fig. 2 referring to Fig.1, a kind of water temperature sensor, including shell 1, cable-assembly 2, sheath 3 and fixture nut 4, cable
Component 2 includes thermistor 2-2 and conducting wire 2-1, and the thermistor 2-2 tail end is fixed with conducting wire 2-1 using argon arc welding mode,
Thermistor 2-2 is mounted in shell 1, and fixture nut 4 and the fastening of 1 tailing screw flight of shell are installed, and sheath 3 is set with and is welded and fixed
In 4 tail end of fixture nut, the periphery the conducting wire 2-1 is equipped with heat-shrink tube 5.
The sheath 3 is that corrugated stainless steel tubing or polytetrafluoroethylene (PTFE) braided steel wire shield hose.
The thermistor 2-2 is PT1000 platinum resistance thermometer sensor, and is led between thermistor 2-2 and shell 1 using HM340 high
Hot organic silicon sealant encapsulating.
1 periphery of shell is equipped with M10 and installs screw thread, and tooth is away from for 1.5mm.
The shell 1 is respectively that 1Cr18Ni9Ti stainless steel material is made with fixture nut 4.
The conducting wire 2-1 is perfluoroethylene-propylene insulated electric conductor, and resistance to using W-3 epoxy type between conducting wire 2-1 and shell 1
High-temperature heat-conductive glue encapsulating.
The heat-shrink tube 5 is double wall heat draw.
Reinforce the fixation between fixture nut 4 using steel band 7 in 3 periphery of sheath.
In use, assembling cable-assembly 2 first, conducting wire 2-1, thermistor 2-2 are welded and fixed to after specified position, used
The double wall heat draw of respective model specification blows contracting protection, and the shielded layer of conducting wire 2-1 is using shielded layer back chipping processing mode after wire stripping.
It is close using HM340 high heat conduction organosilicon between thermistor 2-2 and shell 1 after the cable-assembly 2 that assembly is completed is put into shell 1
Agent encapsulating is sealed, after the completion of using the glue encapsulating of W-3 epoxy type thermostable heat-conductive, cable-assembly 2 fixed between conducting wire 2-1 and shell 1,
Fixture nut 4 and shell 1 tighten fixation, finally cover upper jacket 3, and sheath 3 is welded and fixed with fixture nut 4 in weld.Installation
After the completion, water temperature sensor is installed screw thread by M10 to fix with host, using the resistance value of PT1000 platinum resistance thermometer sensor, with temperature
The characteristic of variation converts electric signal for ambient temperature variation and exports to console, so that timely temperature change is monitored, product
Temperature-measuring range is -50 DEG C~+200 DEG C, and Product Precision grade is B grades.
Specific case used herein is expounded the principles of the present invention and embodiment, above embodiments
Explanation be merely used to help understand the method and its core concept of the utility model；Meanwhile for the general technology of this field
Personnel, based on the idea of the present invention, there will be changes in the specific implementation manner and application range.In conclusion
The content of the present specification should not be construed as a limitation of the present invention.
Claims (8)
1. a kind of water temperature sensor, which is characterized in that the water temperature sensor includes shell, cable-assembly, sheath and fixture nut,
Cable-assembly includes thermistor and conducting wire, and the thermistor tail end is fixed with conducting wire using argon arc welding mode, thermistor
It being mounted in shell, fixture nut and the fastening of shell tailing screw flight are installed, and sheath is set with and is weldingly fixed on fixture nut tail end,
The conducting wire periphery is equipped with heat-shrink tube.
2. a kind of water temperature sensor as described in claim 1, which is characterized in that the sheath is corrugated stainless steel tubing or poly- four
Vinyl fluoride braided steel wire shields hose.
3. a kind of water temperature sensor as described in claim 1, which is characterized in that the thermistor is PT1000 platinum thermoelectricity
Resistance, and the sealant encapsulating of HM340 high heat conduction organosilicon is used between thermistor and shell.
4. a kind of water temperature sensor as described in claim 1, which is characterized in that the shell periphery is equipped with M10 and installs screw thread.
5. a kind of water temperature sensor as described in claim 1, which is characterized in that the shell is respectively with fixture nut
1Cr18Ni9Ti stainless steel material is made.
6. a kind of water temperature sensor as described in claim 1, which is characterized in that the conducting wire is perfluoroethylene-propylene insulated electro
Line, and the glue encapsulating of W-3 epoxy type thermostable heat-conductive is used between conducting wire and shell.
7. a kind of water temperature sensor as described in claim 1, which is characterized in that the heat-shrink tube is double wall heat draw.
8. a kind of water temperature sensor as described in claim 1, which is characterized in that the sheath periphery using steel band reinforce with
Fixation between fixture nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821336754.4U CN208635934U (en) | 2018-08-20 | 2018-08-20 | A kind of water temperature sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821336754.4U CN208635934U (en) | 2018-08-20 | 2018-08-20 | A kind of water temperature sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208635934U true CN208635934U (en) | 2019-03-22 |
Family
ID=65743352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821336754.4U Expired - Fee Related CN208635934U (en) | 2018-08-20 | 2018-08-20 | A kind of water temperature sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208635934U (en) |
-
2018
- 2018-08-20 CN CN201821336754.4U patent/CN208635934U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104596661B (en) | Thermometric armoured thermocouple | |
| CN205642664U (en) | Infrared ray platinum resistance temperature sensor | |
| CN106855443A (en) | Cable intermediate joint conductor temperature measurement structure | |
| WO2007107119A1 (en) | Current carrier combined with heat-pipe | |
| CN210664795U (en) | NTC temperature sensor | |
| CN208635934U (en) | A kind of water temperature sensor | |
| CN208157088U (en) | A kind of coaxial low noise cable | |
| CN104316212B (en) | Rapid sensing high temperature resistant temperature sensing probe | |
| CN106352995A (en) | Thermocouple-based temperature measurement device | |
| CN108489630A (en) | A kind of path thermal sensation portion vehicle exhaust temperature sensor | |
| CN205458014U (en) | Electric pan | |
| CN216291487U (en) | Armored heater | |
| CN103698042B (en) | A kind of high temperature sensor | |
| CN2916611Y (en) | Composite electric tracing heat tube | |
| CN209264133U (en) | Temperature sensor fixture | |
| CN211121672U (en) | Waterproof temperature sensor | |
| CN208241911U (en) | A kind of sheathed heater cold end structure | |
| CN214843684U (en) | Temperature sensor | |
| CN204886115U (en) | Conductor embeds heat sensitive optical fiber power cable intermediate head | |
| CN215573420U (en) | Thermocouple with protective sleeve | |
| CN204165667U (en) | Quick sensing is high temperature resistant temperature-sensing probe | |
| CN202770537U (en) | Temperature measurement probe hole shrinkage packaging structure | |
| CN206353056U (en) | Thermocouple temperature measuring apparatus | |
| CN209197922U (en) | A kind of flexibility multi-measuring point thermocouple structure | |
| CN206317775U (en) | New energy threephase cable wire harness |
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: 20190322 Termination date: 20200820 |