CN112964382A - Temperature sensor - Google Patents
Temperature sensor Download PDFInfo
- Publication number
- CN112964382A CN112964382A CN202110314743.6A CN202110314743A CN112964382A CN 112964382 A CN112964382 A CN 112964382A CN 202110314743 A CN202110314743 A CN 202110314743A CN 112964382 A CN112964382 A CN 112964382A
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- CN
- China
- Prior art keywords
- thermistor
- terminal
- shell
- rivet
- temperature sensor
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- 230000000295 complement effect Effects 0.000 claims abstract description 5
- 230000006698 induction Effects 0.000 claims description 5
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 3
- 238000005476 soldering Methods 0.000 claims description 3
- 230000013011 mating Effects 0.000 claims 1
- 239000000463 material Substances 0.000 description 5
- 239000004065 semiconductor Substances 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000009529 body temperature measurement Methods 0.000 description 2
- 239000000969 carrier Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/16—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
- G01K7/22—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a non-linear resistance, e.g. thermistor
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/08—Protective devices, e.g. casings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The invention discloses a temperature sensor which comprises a shell, a terminal system, a thermistor system, a guide frame and a heat conduction cover, wherein the shell comprises a shell supporting ring, a rivet connecting seat, a thermistor matching groove and a terminal connecting hole, the terminal system comprises a terminal and a rivet, the inner end of the terminal is respectively provided with a terminal connecting hole, the terminal is respectively arranged in the terminal connecting hole, the thermistor system is arranged at the top end of the rivet, the guide frame is arranged at the top end of the thermistor system, and the heat conduction cover is arranged at the top of the guide frame. According to the temperature sensor, the outer diameter of the fit guide seat is equal to the inner diameter of the shell, the outer diameter of the bearing guide ring is equal to the outer diameter of the shell, the shell is complementary with the guide frame, the outer width of the terminal is equal to the inner width of the terminal connecting hole, and the like, so that the temperature sensor with a compact structure, accurate temperature sensing and wear resistance and durability is provided for a user.
Description
Technical Field
The invention relates to the field of temperature controllers, in particular to a temperature sensor.
Background
Currently, an NTC temperature sensor is a finished thermistor assembly (assembly) formed by combining an NTC thermistor, a probe assembly (assembly) and a thermistor shell, an extension lead and a connector. The temperature control device is widely applied to household appliances such as air conditioners, refrigerators, freezers, water heaters, water dispensers, fan heaters, dish washers, disinfection cabinets, washing machines, dryers, ovens, intelligent electric rice cookers, electric boilers, intelligent toilets and the like for detecting and controlling temperature. The principle is as follows: under a certain measuring power, the resistance value of the NTC thermistor is rapidly reduced along with the temperature rise. By utilizing the characteristic, the NTC thermistor can determine the corresponding temperature by measuring the resistance value thereof, thereby achieving the purpose of detecting and controlling the temperature.
NTC is an abbreviation of Negative Temperature Coefficient, which means Negative Temperature Coefficient, and generally refers to semiconductor material or component with large Negative Temperature Coefficient, so called NTC thermistor is a Negative Temperature Coefficient thermistor. It is made up by using metal oxides of manganese, cobalt, nickel and copper as main material and adopting ceramic process. These metal oxide materials all have semiconductor properties because they are completely similar in conduction to semiconductor materials such as germanium, silicon, etc. At low temperatures, these oxide materials have a low number of carriers (electrons and holes) and therefore have a high resistance; as the temperature increases, the number of carriers increases, so the resistance value decreases. The NTC thermistor has a variation range of 10O-1000000 ohm at room temperature and a temperature coefficient of-2% -6.5%. The NTC thermistor can be widely applied to temperature measurement, temperature compensation, surge current suppression and other occasions. The NTC thermistor is a sensitive element whose resistance value decreases with the increase of temperature, and it can be used for temperature measurement, temperature control, temperature compensation, etc. it can also be used in liquid level sensing.
NTC thermistors are widely used for temperature sensing and control of household appliances, automobiles, and industrial production equipment due to their high sensitivity, high reliability, and low cost. The thermistor can be divided into a power type NTC thermistor, a compensation type NTC thermistor and a temperature measuring type NTC thermistor according to different purposes.
Common thermistor shapes are: the thermistor has the characteristics of high sensitivity, high response speed, high resistance value and B value precision, good consistency and interchangeability, good insulating sealing performance and mechanical collision resistance by adopting a double-layer encapsulation process, simple and flexible structure, and capability of being customized according to different stalk setting requirements of customers.
Some equipment adopts the sudden jump type temperature controller to control the temperature, the required precision is high, the temperature is accurate, the high requirements such as intelligent control are met, the precision of the sudden jump type temperature controller can not meet the requirements, the requirement is met by the NTC thermistor, the sudden jump type temperature controller is controlled to be changed into the NTC thermistor, the internal structure of the temperature controller needs to be changed, the appearance structure is kept, the single-end glass-sealed thermistor structure is adopted, the equipment is simple and practical, and the novel temperature sensor structure is designed.
Disclosure of Invention
The invention aims to provide a temperature sensor which is compact in structure, accurate in temperature sensing and durable in wear prevention.
In order to solve the technical problems, the technical scheme of the invention is as follows:
a temperature sensor, comprising:
the shell comprises a shell supporting ring, a rivet connecting seat, a thermistor matching groove and terminal connecting holes, wherein the shell supporting ring is arranged at the top end of the shell, the rivet connecting seat and the thermistor matching groove are arranged in the shell from outside to inside, the terminal connecting holes are respectively formed in the left end and the right end of the bottom of the shell, and the rivet connecting seat comprises rivet connecting holes respectively arranged at the bottom ends;
the terminal system comprises terminals and rivets, wherein terminal connecting holes are formed in the inner ends of the terminals respectively, the terminals are arranged in the terminal connecting holes respectively, and the rivet connecting holes are connected with the terminal connecting holes through the rivets;
the thermistor system is arranged at the top end of the rivet and comprises a thermistor, pins and insulating sleeves, wherein one end of each pin is respectively arranged at the left end and the right end of the bottom of the thermistor, the other end of each pin is respectively welded to the top of the rivet through soldering tin, and the insulating sleeves are respectively sleeved outside the pins;
the guide frame is arranged at the top end of the thermistor system and comprises a bearing guide ring, a fit guide seat and a thermosensitive induction hole which are arranged from outside to inside;
the heat conduction cover is arranged at the top of the guide frame and comprises heat conduction cover connecting holes arranged at the front end and the rear end.
Further, the pins are U-shaped.
Further, the outer diameter of the thermistor is equal to the inner diameter of the thermosensitive induction hole.
Furthermore, the outer diameter of the fit guide seat is equal to the inner diameter of the shell, the outer diameter of the bearing guide ring is equal to the outer diameter of the shell, and the shell is complementary with the guide frame.
Further, the outer width of the terminal is equal to the inner width of the terminal connection hole.
The invention has the beneficial effects that:
according to the temperature sensor, the outer diameter of the fit guide seat is equal to the inner diameter of the shell, the outer diameter of the bearing guide ring is equal to the outer diameter of the shell, the shell is complementary with the guide frame, the outer width of the terminal is equal to the inner width of the terminal connecting hole, and the like, so that the temperature sensor with a compact structure, accurate temperature sensing and wear resistance and durability is provided for a user.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a perspective view of the present invention;
FIG. 3 is a second schematic structural diagram of the present invention;
FIG. 4 is a third schematic structural diagram of the present invention;
fig. 5 is a cross-sectional view of the present invention.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
According to the description of fig. 1-5:
a temperature sensor, comprising:
the rivet connection structure comprises a shell 1, a rivet connection seat 12, a thermistor fit groove 13 and a terminal connection hole 14, wherein the shell support ring 11 is arranged at the top end of the shell 1, the rivet connection seat 12 and the thermistor fit groove 13 are arranged in the shell 1 from outside to inside, the terminal connection hole 14 is respectively arranged at the left end and the right end of the bottom of the shell 1, and the rivet connection seat 12 comprises rivet connection holes 121 respectively arranged at the bottom ends;
the terminal system 2 comprises terminals 21 and rivets 22, wherein the inner ends of the terminals 21 are respectively provided with terminal connecting holes 211, the terminals 21 are respectively arranged in the terminal connecting holes 14, and the rivet connecting holes 121 are connected with the terminal connecting holes 211 through the rivets 22;
the thermistor system 3 is arranged at the top end of the rivet 22 and comprises a thermistor 31, pins 32 and insulating sleeves 33, wherein one end of each pin 32 is respectively arranged at the left end and the right end of the bottom of the thermistor 31, the other end of each pin is respectively welded to the top of the rivet 22 through soldering tin, and the insulating sleeves 33 are respectively sleeved outside the pins 32;
the guide frame 4 is arranged at the top end of the thermistor system 3 and comprises a bearing guide ring 41, a fit guide seat 42 and a thermosensitive induction hole 43 which are arranged from outside to inside;
and the heat conduction cover 5 is arranged at the top of the guide frame 4 and comprises heat conduction cover connecting holes 51 arranged at the front end and the rear end.
Because the pin 32 is U-shaped, and the insulating sleeves 33 are respectively sleeved outside the pin 32, when a user uses the invention, through the use of the insulating sleeves 33, when the pin is arranged inside the invention, the contact between the diameter of the wall surface of the rivet connecting seat 12 or the thermistor fit groove 13 and the pin 32 can be prevented, so that the abrasion is caused, the phenomenon that the external wall surface is touched to cause short circuit is prevented, and the collision between the pin and the rivet connecting seat 12 or the thermistor fit groove 13 can be avoided through the arrangement of the U-shaped pin 32.
Because the outer diameter of the thermistor 31 is equal to the inner diameter of the thermal sensing hole 43, when a user uses the invention, the thermistor 31 can be firmly clamped and embedded in the sensing hole, the phenomena of position shaking and deviation can not occur, and the temperature sensed by the heat conducting cover 5 can be accurately sensed.
Because the outer diameter of the fit guide seat 42 is equal to the inner diameter of the shell 1, the outer diameter of the bearing guide ring 41 is equal to the outer diameter of the shell 1, and the shell 1 is complementary to the guide frame 4, when a user uses the invention, the guide frame 4 can be firmly clamped and embedded at the top of the shell 1, and when the invention is matched with the thermistor 31 for use, the induction misalignment caused by the position shake or deviation of the guide frame 4 can be avoided.
Since the outer width of the terminal 21 is equal to the inner width of the terminal connection hole 14, when a user uses the present invention, the terminal 21 can be tightly fitted into the connection hole, and then the terminal connection hole 211 and the rivet connection hole 121 are coupled by the rivet 22, so that the two are tightly coupled together.
When the user uses the present invention, the hole 51 is connected to the heat conductive cover, so that the present invention can be tightly connected to the external electrical device.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, and the scope of protection is still within the scope of the invention.
Claims (5)
1. A temperature sensor, comprising:
the shell comprises a shell supporting ring, a rivet connecting seat, a thermistor matching groove and terminal connecting holes, wherein the shell supporting ring is arranged at the top end of the shell, the rivet connecting seat and the thermistor matching groove are arranged in the shell from outside to inside, the terminal connecting holes are respectively formed in the left end and the right end of the bottom of the shell, and the rivet connecting seat comprises rivet connecting holes respectively arranged at the bottom ends;
the terminal system comprises terminals and rivets, wherein terminal connecting holes are formed in the inner ends of the terminals respectively, the terminals are arranged in the terminal connecting holes respectively, and the rivet connecting holes are connected with the terminal connecting holes through the rivets;
the thermistor system is arranged at the top end of the rivet and comprises a thermistor, pins and insulating sleeves, wherein one end of each pin is respectively arranged at the left end and the right end of the bottom of the thermistor, the other end of each pin is respectively welded to the top of the rivet through soldering tin, and the insulating sleeves are respectively sleeved outside the pins;
the guide frame is arranged at the top end of the thermistor system and comprises a bearing guide ring, a fit guide seat and a thermosensitive induction hole which are arranged from outside to inside;
the heat conduction cover is arranged at the top of the guide frame and comprises heat conduction cover connecting holes arranged at the front end and the rear end.
2. The temperature sensor of claim 1, wherein the pins are U-shaped.
3. The temperature sensor of claim 1, wherein an outer diameter of the thermistor is equal to an inner diameter of the temperature sensitive sensing bore.
4. The temperature sensor of claim 1, wherein the outer diameter of the mating guide is equal to the inner diameter of the housing, the outer diameter of the backup guide ring is equal to the outer diameter of the housing, and the housing is complementary to the guide frame.
5. The temperature sensor of claim 1, wherein an outer width of the terminal is equal to an inner width of the terminal connection hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110314743.6A CN112964382A (en) | 2021-03-24 | 2021-03-24 | Temperature sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110314743.6A CN112964382A (en) | 2021-03-24 | 2021-03-24 | Temperature sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112964382A true CN112964382A (en) | 2021-06-15 |
Family
ID=76278345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110314743.6A Pending CN112964382A (en) | 2021-03-24 | 2021-03-24 | Temperature sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112964382A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113700099A (en) * | 2021-07-19 | 2021-11-26 | 广州市锦德建材科技有限公司 | Intelligent control shower system |
-
2021
- 2021-03-24 CN CN202110314743.6A patent/CN112964382A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113700099A (en) * | 2021-07-19 | 2021-11-26 | 广州市锦德建材科技有限公司 | Intelligent control shower system |
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