CN210953163U - Quick-response temperature sensor - Google Patents
Quick-response temperature sensor Download PDFInfo
- Publication number
- CN210953163U CN210953163U CN201922035693.9U CN201922035693U CN210953163U CN 210953163 U CN210953163 U CN 210953163U CN 201922035693 U CN201922035693 U CN 201922035693U CN 210953163 U CN210953163 U CN 210953163U
- Authority
- CN
- China
- Prior art keywords
- thermistor
- protection tube
- data transmission
- temperature sensor
- filter screen
- 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
- 230000004044 response Effects 0.000 title claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims abstract description 22
- 238000011049 filling Methods 0.000 claims abstract description 15
- 238000003466 welding Methods 0.000 claims abstract description 13
- 239000011347 resin Substances 0.000 claims description 20
- 229920005989 resin Polymers 0.000 claims description 20
- 238000010521 absorption reaction Methods 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 230000001788 irregular Effects 0.000 claims description 5
- 238000009529 body temperature measurement Methods 0.000 abstract description 15
- 230000006872 improvement Effects 0.000 abstract description 7
- 230000008859 change Effects 0.000 abstract description 5
- 238000004904 shortening Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 6
- 238000009413 insulation Methods 0.000 description 6
- 239000011241 protective layer Substances 0.000 description 5
- 230000009977 dual effect Effects 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- 239000004809 Teflon Substances 0.000 description 3
- 229920006362 Teflon® Polymers 0.000 description 3
- 150000002148 esters Chemical class 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000001035 drying Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 230000009545 invasion Effects 0.000 description 2
- 238000012858 packaging process Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
Images
Abstract
The utility model aims at a quick response temperature sensor, including protection tube and data transmission connecting wire, the protection tube establish to the cylindrical structure of one end open-ended cavity, the protection tube in be equipped with thermistor, the embedded connection of data transmission connecting wire one end and protection tube one end of telling, thermistor set up the collection mouth department at the protection tube other end, the welding foot of the data transmission connecting wire other end pass through connecting rod and thermistor welded connection, connecting rod and welding foot between only a welding point, thermistor and data transmission connecting wire's junction be equipped with protection filling device, can effectual improvement temperature measurement precision, very rapidly to temperature change's feedback, effectual shortening data acquisition realizes, satisfies the response requirement.
Description
Technical Field
The utility model relates to a washing machine temperature sensor technical aspect field mainly involves a washing machine drying temperature sensor.
Background
Along with the rapid progress and development of China's society, the current temperature measurement requirements for various industries are relatively high, so that a large number of temperature sensors are needed to measure the temperature, especially, the corresponding requirements on acquisition time are gradually increased at present, but the basic resin type thermistor adopted in the current market is poor in durability and relatively slow in reaction speed, especially, when the ambient temperature of air is tested, because the specific heat of air is small, the heat conduction thermistor needs a long time, a good temperature measurement effect cannot be realized in the field needing to rapidly respond to the change of the ambient temperature of the air, the time delay is too long, the response speed is slow, the accuracy of temperature measurement can be influenced, and the frequent requirements at the present stage are difficult to meet.
Therefore, a washing machine drying temperature sensor is provided, structure through to the sensor is improved, thermistor head direct contact air that will have the protective layer, can effectual improvement temperature measurement precision, feedback to temperature variation is very rapid, effectual shortening data acquisition realizes, satisfy the response requirement, adopt pyrocondensation pipe and filter screen to carry out the dual filtration protection simultaneously, can effectually carry out waterproof insulation protection to the thermistor, can effectually avoid external moisture to soak, damage the trouble appears when avoiding using, effectual extension life cycle, just become the problem that the skilled person in the art needs to solve urgently.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a dry temperature sensor of washing machine, structure through to the sensor is improved, the thermistor head direct contact air that will have the protective layer, can effectual improvement temperature measurement precision, very rapidly to temperature change's feedback, the effectual data acquisition that shortens realizes, satisfy the response requirement, adopt pyrocondensation pipe and filter screen to carry out the dual filtration protection simultaneously, can effectually carry out waterproof insulation protection to thermistor, can effectually avoid external moisture to soak, the damage fault appears when avoiding using, effectual increase of service cycle.
For solving the background art in technical problem, the utility model discloses a following technical scheme:
the utility model provides a quick response temperature sensor, includes protection tube and data transmission connecting wire, the protection tube establish to the cylindrical structure of one end open-ended cavity, the protection tube in be equipped with thermistor, the embedded connection of data transmission connecting wire one end and protection tube one end of telling, thermistor set up the collection mouth department at the protection tube other end, the welding foot of the data transmission connecting wire other end pass through connecting rod and thermistor welded connection, connecting rod and welding foot between only a welding point, thermistor and data transmission connecting wire's junction be equipped with protection filling device.
Preferably, the protection filling device comprises waterproof insulating resin and filling resin, the waterproof insulating resin is uniformly wrapped and adhered at the joint of the thermistor and the data transmission connecting line, the filling resin is filled and arranged between the waterproof insulating resin and the inner wall of the protection tube, and the dual-protection filling protection device is adopted, so that the part can be effectively wrapped around the thermistor, an insulation and waterproof effect is achieved, and the sensor is also a key part for preventing water outside the sensor. The waterproof insulating ester and the thermistor can be tightly bonded together to form a compact protective layer, so that external moisture is effectively prevented from being soaked.
Preferably, waterproof insulating resin establish to irregular ripple type structure, the insulating protection architecture of multilayer irregular shape, can effectually improve the outer parcel to the adhesion degree and the protection intensity of thermistor, can the invasion of effectual prevention and cure external moisture, effectual with thermistor itself and external insulating, guarantee the normal electrical characteristics of product.
Preferably, the collection mouth department on the protection tube other end be equipped with dustproof filter screen, and the dustproof filter screen of telling establishes into detachable connection structure.
Preferably, dustproof filter screen include one-level filter screen, second grade filter screen and absorption rete, the range upon range of setting of absorption rete between one-level filter screen, second grade filter screen, can effectually prevent through dustproof filter screen that outside dust and granule absorb and prevent hindering when using, can effectually avoid internal pollution, the precision of effectual improvement temperature collection to effectual extension life reduces the clearance number of times.
Preferably, the outer surfaces of the data transmission line and the connecting block are uniformly wrapped with waterproof heat shrink tubes, so that the insulation effect can be effectively improved, and the external water is effectively prevented from entering and soaking.
Preferably, the thermistor adopts a glass-packaged single-end glass-sealed resistor, the adopted thermistor is a BT (single-end glass-sealed resistor) resistor with the resistance precision of 1% and the temperature measurement error of 0.2 ℃, the temperature measurement is accurate, the glass packaging process is advanced compared with the common thermistor, the glass is tightly packaged with the resistor pins, and the thermistor has high waterproof performance and good temperature measurement stability.
The utility model has the advantages that:
1) the temperature measurement precision can be effectively improved, the feedback of temperature change is very rapid, the data acquisition is effectively shortened, and the response requirement is met.
2) Adopt pyrocondensation pipe and filter screen to carry out the dual filtration protection simultaneously, can effectually carry out waterproof insulation protection to thermistor, can effectually avoid external moisture to go into to soak, the damage fault appears when avoiding using, effectual increase of service life.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.
FIG. 1 is a schematic structural view of a fast reaction temperature sensor according to the present invention;
fig. 2 is a schematic view of a partial cross-sectional structure of a rapid reaction temperature sensor according to the present invention.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be described in further detail below.
Please refer to fig. 1 and 2, a fast reaction temperature sensor includes a protection tube 9 and a data transmission connection line 8, the protection tube 9 is designed as a hollow cylindrical structure with an open end, a thermistor 2 is arranged in the protection tube 9, one end of the data transmission connection line 8 is connected with one end of the protection tube 9 in an embedded manner, the thermistor 2 is arranged at an acquisition port 1 at the other end of the protection tube, a welding pin 6 at the other end of the data transmission connection line 8 is connected with the thermistor 2 in a welding manner through a connection rod 4, only one welding point 7 is arranged between the connection rod 4 and the welding pin 6, and a protection filling device is arranged at the connection position of the thermistor 2 and the data transmission connection line 8.
In this embodiment, protection filling device include waterproof insulating resin 3 and filling resin 5, waterproof insulating resin 3 evenly wrap up the junction of bonding at thermistor 2 and data transmission connecting wire 8, filling resin 5 fill and set up between the inner wall of waterproof insulating resin 3 and protection tube 9, adopt dual protection filling protection device, can effectual improvement with this part parcel around thermistor 2, play insulating, waterproof effect, also be the waterproof key department of this sensor outside. The waterproof insulating ester and the thermistor 2 can be tightly bonded together to form a compact protective layer, so that external moisture is effectively prevented from being soaked.
In this embodiment, waterproof insulating resin 3 establish to irregular ripple type structure, the insulating protection architecture of multilayer irregular shape, can the outer parcel of effectual improvement to thermistor 2's adhesion degree and protection intensity, can the invasion of the external moisture of effectual prevention and cure, effectual with thermistor 2 itself with external insulating, guarantee the normal electrical characteristics of product.
In this embodiment, the collection port 1 at the other end of the protection tube 9 is provided with a dustproof filter screen 14, and the dustproof filter screen 14 is detachably connected.
In this embodiment, dustproof filter screen 14 include one-level filter screen 11, second grade filter screen 13 and absorption rete 12, absorption rete 12 range upon range of setting between one-level filter screen 11, second grade filter screen 13, can effectually prevent through dustproof filter screen 14 that outside dust and granule absorb and prevent hindering when using, can effectually avoid internal pollution, the precision of effectual improvement temperature collection to effectual extension life cycle reduces the clearance number of times.
In this embodiment, the outer surfaces of the data transmission line 8 and the connecting rod 4 are uniformly wrapped with the waterproof heat shrink tube 10, so that the insulation effect can be effectively improved, and the external water is effectively prevented from being soaked.
In this embodiment, the thermistor 2 is a glass-packaged single-ended glass-sealed resistor, the adopted thermistor 2 is a BT resistor (single-ended glass-sealed resistor) with a resistance value precision of 1% and a temperature measurement error of 0.2 ℃, the temperature measurement is accurate, the glass packaging process is advanced compared with the common thermistor 2, the glass is tightly packaged with the resistor pins, and the thermistor has high waterproof performance and good temperature measurement stability.
Waterproof insulating resin 3 that adopts in this application wraps up around thermistor 2, plays insulating, waterproof effect, also is the outside waterproof key department of this sensor. The waterproof insulating ester 3 and the thermistor 2 can be tightly bonded together to form a compact protective layer, so that external moisture is effectively prevented from being soaked.
Thermistor 2 in this application is direct to be wrapped up by teflon pyrocondensation pipe 10, and the foremost pyrocondensation pipe mouth of pipe is open, has the 2 head direct contact air of thermistor of inoxidizing coating, and the temperature measurement is accurate, and is very rapid to temperature change's feedback, and this sensor all adopts high temperature resistance's material, can make the sensor temperature measurement range of application extensive like this, and low temperature can all be used to high temperature.
The protection tube 9 used in the application is made of Teflon, is a Teflon heat-shrinkable tube, has the inner diameter phi of 3.5mm in the shrinkage period and the length of 30mm after heat shrinkage, and can firmly wrap the resistor and tightly contact the resistor; the material has higher hardness, is not easy to bend and deform, is not completely a hard material, has good buffering effect when being impacted by external force, and plays a role in protecting the whole body.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the foregoing description is illustrative in nature and is not to be construed as limiting the scope of the invention, which is defined by the appended claims.
Claims (7)
1. The utility model provides a quick reaction temperature sensor, includes protection tube and data transmission connecting wire, its characterized in that: the protection tube establish to the cylindrical structure of one end open-ended cavity, the protection tube in be equipped with thermistor, the embedded connection of data transmission connecting wire one end and protection tube one end of telling, thermistor set up in the collection mouth department of the protection tube other end, the welding foot of the data transmission connecting wire other end pass through connecting rod and thermistor welded connection, connecting rod and welding foot between only a welding point, thermistor and data transmission connecting wire's junction be equipped with protection filling device.
2. The fast response temperature sensor according to claim 1, wherein the protection filling means comprises a waterproof insulating resin and a filling resin, the waterproof insulating resin is uniformly wrapped and adhered at the junction of the thermistor and the data transmission connection line, and the filling resin is filled between the waterproof insulating resin and the inner wall of the protection tube.
3. The rapid response temperature sensor according to claim 2, wherein the waterproof insulating resin is provided in an irregular bellows-type structure.
4. The rapid reaction temperature sensor according to claim 1, wherein a dust-proof filter screen is provided at the collection port at the other end of the protection tube, and the dust-proof filter screen is detachably connected to the collection port.
5. The rapid response temperature sensor of claim 4, wherein the dustproof filter screen comprises a primary filter screen, a secondary filter screen and an absorption film layer, and the absorption film layer is stacked between the primary filter screen and the secondary filter screen.
6. The fast response temperature sensor of claim 1, wherein the outer surfaces of the data transmission connection line and the connection block are uniformly wrapped with a waterproof heat-shrinkable tube.
7. The fast response temperature sensor of claim 1, wherein the thermistor is a glass-encapsulated single-ended glass-sealed resistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922035693.9U CN210953163U (en) | 2019-11-22 | 2019-11-22 | Quick-response temperature sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922035693.9U CN210953163U (en) | 2019-11-22 | 2019-11-22 | Quick-response temperature sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210953163U true CN210953163U (en) | 2020-07-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922035693.9U Expired - Fee Related CN210953163U (en) | 2019-11-22 | 2019-11-22 | Quick-response temperature sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210953163U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024061259A1 (en) * | 2022-09-21 | 2024-03-28 | 吉林省中赢高科技有限公司 | Electrical connector |
-
2019
- 2019-11-22 CN CN201922035693.9U patent/CN210953163U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024061259A1 (en) * | 2022-09-21 | 2024-03-28 | 吉林省中赢高科技有限公司 | Electrical connector |
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| 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: 20200707 |