CN220912486U - Highly-sealed NTC temperature sensor with excellent waterproof performance - Google Patents
Highly-sealed NTC temperature sensor with excellent waterproof performance Download PDFInfo
- Publication number
- CN220912486U CN220912486U CN202322885751.3U CN202322885751U CN220912486U CN 220912486 U CN220912486 U CN 220912486U CN 202322885751 U CN202322885751 U CN 202322885751U CN 220912486 U CN220912486 U CN 220912486U
- Authority
- CN
- China
- Prior art keywords
- glue injection
- connecting pipe
- temperature sensing
- temperature sensor
- temperature
- 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.)
- Active
Links
- 239000003292 glue Substances 0.000 claims abstract description 61
- 238000007789 sealing Methods 0.000 claims abstract description 40
- 238000002347 injection Methods 0.000 claims abstract description 39
- 239000007924 injection Substances 0.000 claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000009529 body temperature measurement Methods 0.000 claims description 9
- 239000000853 adhesive Substances 0.000 abstract description 7
- 230000001070 adhesive effect Effects 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 239000004593 Epoxy Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000002277 temperature effect Effects 0.000 description 1
Landscapes
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The utility model discloses a highly-sealed NTC temperature sensor with excellent waterproof performance, which comprises a temperature sensing shell, wherein a temperature measuring component is arranged in the temperature sensing shell; the temperature sensing shell is provided with a connecting pipe, the connecting pipe is provided with a protruding part, a glue injection cavity is formed in the protruding part, the glue injection cavity is communicated with the inner cavity of the connecting pipe, the connecting pipe is also provided with a glue injection hole, and the glue injection hole guides adhesive glue to fully contact with the temperature measuring component in the glue injection cavity; the beneficial effects of the utility model are as follows: the glue injection cavity can be convenient for be connected between the temperature measuring component and the temperature sensing shell to be in a sealing state, so that the temperature measuring component is prevented from being damaged due to water vapor permeation in the hot water kettle.
Description
Technical Field
The present utility model relates to an NTC temperature sensor having excellent waterproof property with high sealing.
Background
In an electric kettle, accurate measurement of water temperature is a key of intelligent constant temperature control. A commonly used temperature measuring component is an NTC thermistor temperature sensor, which is a sensor that uses the temperature effect of an NTC thermistor to achieve temperature measurement. An NTC thermistor is a resistor made of a special material, the resistance of which varies with temperature, and the trend of which is a negative temperature coefficient, i.e., the value of the NTC thermistor decreases when the temperature increases.
In the use process of the NTC temperature sensor, the NTC temperature sensor needs to be watertight packaged, so that the service life is prevented from being influenced by water vapor invasion, but the sealing effect is poor in the existing sealing process, and the cable connection part is easy to fail in the sealing process.
Disclosure of utility model
The present utility model is directed to providing a highly sealed NTC temperature sensor with excellent waterproof properties to solve the problems set forth in the background art described above.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
The highly sealed NTC temperature sensor with excellent waterproof performance comprises a temperature sensing shell, wherein a temperature measuring component is arranged in the temperature sensing shell;
The temperature sensing casing is provided with the connecting pipe, be provided with the bellying on the connecting pipe, the injecting glue chamber has been seted up in the bellying, injecting glue chamber and connecting pipe inner chamber intercommunication, still set up the injecting glue hole on the connecting pipe, the injecting glue hole guide bonding glue fills in injecting glue chamber and contacts with the temperature measuring subassembly.
As an improvement of the technical scheme, the temperature measuring assembly comprises an NTC thermistor, the NTC thermistor is arranged in the inner cavity of the temperature sensing shell, two groups of wires are arranged on the NTC thermistor, and the two groups of wires extend to the outside of the temperature sensing shell.
As an improvement of the technical scheme, cable sleeves are arranged outside the two groups of wires, extend into the connecting pipe and the temperature sensing shell, are fully contacted with the inner wall of the connecting pipe, and the terminals of the two groups of wires are respectively provided with a joint.
As the improvement of the technical scheme, the two side inner walls of the glue injection cavity are respectively provided with a mounting groove, the mounting grooves are fixedly provided with rubber sealing rings, and the rubber sealing rings are in interference fit with the outer wall of the cable sleeve.
As an improvement of the technical scheme, the sealing bolt is connected with the glue injection hole in a threaded manner, and extends into the inner cavity of the glue injection cavity.
As an improvement of the technical scheme, the surface of the protruding part is provided with a fixed circular groove, the fixed circular groove is matched with the position of the glue injection hole, a sealing gasket is arranged in the fixed circular groove, and the sealing gasket is sleeved on the outer wall of the sealing bolt.
As an improvement of the above technical solution, the protruding portion is disposed at a middle position of the connection pipe.
Compared with the prior art, the utility model has the beneficial effects that:
When the joint on the temperature sensing shell is sealed, the temperature measuring component is arranged in the inner cavity of the temperature sensing shell, and then adhesive glue is injected into the glue injection cavity through the glue injection hole, so that the adhesive glue is filled in the glue injection cavity, and the temperature measuring component is connected in the connecting pipe;
The glue injection cavity that can be convenient for through setting up is sealing state between temperature measurement subassembly and the temperature sensing casing, prevents that steam infiltration in the thermos from causing temperature measurement subassembly to appear damaging, simultaneously because be arranged in fixed bonding glue in the glue injection cavity, when temperature measurement subassembly and connecting pipe juncture appear buckling, compare in traditional through epoxy encapsulation in the juncture, can avoid buckling the effort that produces to act on bonding glue for deformation appears in the bonding glue of sealing department, influences sealed effect.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of a temperature sensing housing according to the present utility model;
FIG. 3 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;
FIG. 4 is a top view of the present utility model;
FIG. 5 is a cross-sectional view of B-B of FIG. 4 in accordance with the present utility model;
FIG. 6 is a cross-sectional view of the temperature sensing housing of the present utility model;
fig. 7 is an enlarged schematic view of the structure of fig. 6C according to the present utility model.
In the figure: 10. a temperature-sensitive shell; 11. a connecting pipe; 12. a boss; 121. a glue injection cavity; 122. a mounting groove; 13. fixing the round groove; 14. a glue injection hole; 20. a temperature measuring assembly; 21. a cable sleeve; 22. a wire; 23. a joint; 24. an NTC thermistor; 30. a sealing bolt; 40. a sealing gasket; 50. and a rubber sealing ring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.
Examples:
as shown in fig. 1 to 7, the present embodiment proposes a highly sealed NTC temperature sensor with excellent waterproof property, comprising a temperature sensing housing 10, wherein a temperature measuring component 20 is disposed in the temperature sensing housing 10;
Be provided with connecting pipe 11 on the temperature sensing casing 10, be provided with bellying 12 on the connecting pipe 11, glue injection cavity 121 has been seted up in the bellying 12, glue injection cavity 121 and connecting pipe 11 inner chamber intercommunication, glue injection hole 14 has still been seted up on the connecting pipe 11, glue injection hole 14 guide bonding glue fills in glue injection cavity 121 with temperature measurement subassembly 20 contact.
In this embodiment, when the connection part on the temperature sensing housing 10 is sealed, the temperature measuring component 20 is placed in the inner cavity of the temperature sensing housing 10, and then adhesive glue is injected into the glue injection cavity 121 through the glue injection hole 14, so that the adhesive glue fills in the glue injection cavity 121, and the temperature measuring component 20 is connected in the connecting pipe 11;
The injecting glue chamber 121 through setting up can be convenient for be connected to sealing state between temperature measurement subassembly 20 and the temperature sensing casing 10, prevents that steam infiltration in the thermos from causing temperature measurement subassembly 20 to appear damaging, simultaneously because be arranged in injecting glue chamber 121 in being used for fixed bonding glue, when buckling appears in temperature measurement subassembly 20 and connecting pipe 11 juncture, compare in traditional encapsulating through epoxy in the juncture, can avoid buckling the effort that produces to act on bonding glue for deformation appears in the bonding glue of sealing, influences sealed effect.
In this case, the bonding glue includes, but is not limited to, epoxy.
Specifically, the temperature measuring assembly 20 includes an NTC thermistor 24, the NTC thermistor 24 is disposed in the inner cavity of the temperature sensing housing 10, two sets of wires 22 are disposed on the NTC thermistor 24, and the two sets of wires 22 extend to the outside of the temperature sensing housing 10.
In this embodiment, the NTC thermistor 24 and the wire 22 are both of the prior art, and are not described in detail herein.
Specifically, the cable jackets 21 are disposed outside the two groups of wires 22, the cable jackets 21 extend into the connecting pipe 11 and the temperature sensing shell 10, the cable jackets 21 are fully contacted with the inner wall of the connecting pipe 11, and the terminals of the two groups of wires 22 are respectively provided with a joint 23.
Specifically, the inner walls of the two sides of the glue injection cavity 121 are respectively provided with a mounting groove 122, the mounting grooves 122 are fixedly provided with rubber sealing rings 50, and the rubber sealing rings 50 are in interference fit with the outer wall of the cable sleeve 21.
In this embodiment, when the cable sleeve 21 is inserted into the connecting pipe 11, the cable sleeve 21 is inserted into the two sets of rubber sealing rings 50, and the first sealing treatment is performed by the interference fit of the rubber sealing rings 50, and after the NTC thermistor 24 is positioned, the second sealing is performed by injecting glue.
Specifically, the sealing bolt 30 is screwed in the glue injection hole 14, and the sealing bolt 30 extends into the inner cavity of the glue injection cavity 121.
In this embodiment, the sealing bolt 30 can avoid the leakage of the adhesive in the adhesive injection cavity 121 during the solidification process.
Specifically, a fixed circular groove 13 is formed in the surface of the protruding portion 12, the fixed circular groove 13 is matched with the glue injection hole 14 in position, a sealing gasket 40 is arranged in the fixed circular groove 13, and the sealing gasket 40 is sleeved on the outer wall of the sealing bolt 30.
In the present embodiment, the sealing gasket 40 is used to improve the sealing performance.
Specifically, the boss 12 is provided at an intermediate position of the connection pipe 11.
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 (7)
1. An NTC temperature sensor with high sealing and excellent waterproof properties, characterized in that: the temperature sensing device comprises a temperature sensing shell (10), wherein a temperature measuring assembly (20) is arranged in the temperature sensing shell (10);
Be provided with connecting pipe (11) on temperature sensing casing (10), be provided with bellying (12) on connecting pipe (11), glue injection chamber (121) have been seted up in bellying (12), glue injection chamber (121) and connecting pipe (11) inner chamber intercommunication, glue injection hole (14) have still been seted up on connecting pipe (11), glue injection hole (14) guide bonding glue filling is in glue injection chamber (121) and temperature measurement subassembly (20) contact.
2. The highly sealed NTC temperature sensor of excellent water repellency according to claim 1, characterized in that: the temperature measuring assembly (20) comprises an NTC thermistor (24), the NTC thermistor (24) is arranged in the inner cavity of the temperature sensing shell (10), two groups of wires (22) are arranged on the NTC thermistor (24), and the two groups of wires (22) extend to the outside of the temperature sensing shell (10).
3. The highly sealed NTC temperature sensor of excellent water repellency according to claim 2, characterized in that: the outside of two sets of wire (22) is provided with cable cover (21), cable cover (21) stretches into inside connecting pipe (11), temperature sensing casing (10), cable cover (21) fully contact with the inner wall of connecting pipe (11), and the terminal of two sets of wire (22) is provided with joint (23) respectively.
4. A highly sealed NTC temperature sensor with excellent water repellency according to claim 3, characterized in that: the two side inner walls of the glue injection cavity (121) are respectively provided with a mounting groove (122), the mounting grooves (122) are fixedly provided with rubber sealing rings (50), and the rubber sealing rings (50) are in interference fit with the outer wall of the cable sleeve (21).
5. The highly sealed NTC temperature sensor of excellent water repellency according to claim 1, characterized in that: the sealing bolt (30) is connected in the glue injection hole (14) in a threaded mode, and the sealing bolt (30) stretches into the inner cavity of the glue injection cavity (121).
6. The highly sealed NTC temperature sensor of excellent water repellency according to claim 5, characterized in that: the surface of the protruding portion (12) is provided with a fixed circular groove (13), the fixed circular groove (13) is matched with the glue injection hole (14) in position, a sealing gasket (40) is arranged in the fixed circular groove (13), and the sealing gasket (40) is sleeved on the outer wall of the sealing bolt (30).
7. The highly sealed NTC temperature sensor of excellent water repellency according to claim 1, characterized in that: the bulge (12) is arranged at the middle position of the connecting pipe (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322885751.3U CN220912486U (en) | 2023-10-26 | 2023-10-26 | Highly-sealed NTC temperature sensor with excellent waterproof performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322885751.3U CN220912486U (en) | 2023-10-26 | 2023-10-26 | Highly-sealed NTC temperature sensor with excellent waterproof performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220912486U true CN220912486U (en) | 2024-05-07 |
Family
ID=90917448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322885751.3U Active CN220912486U (en) | 2023-10-26 | 2023-10-26 | Highly-sealed NTC temperature sensor with excellent waterproof performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220912486U (en) |
-
2023
- 2023-10-26 CN CN202322885751.3U patent/CN220912486U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2005024344A (en) | Temperature sensor | |
| CN220912486U (en) | Highly-sealed NTC temperature sensor with excellent waterproof performance | |
| CN214471396U (en) | Temperature sensor with good stability | |
| KR100464069B1 (en) | Sensor for measuring water temperature | |
| CN213932869U (en) | Explosion-proof temperature sensor | |
| CN212779637U (en) | Integrated injection molding engine coolant temperature sensor | |
| CN211121748U (en) | Pressure sensor | |
| CN209745993U (en) | Sensor with a sensor element | |
| CN209264133U (en) | Temperature sensor fixture | |
| CN212988626U (en) | High-sensitivity easy-to-install intelligent temperature measurement type NTC temperature sensor for bathtub | |
| CN218211654U (en) | Double-function water temp. sensor for automobile | |
| CN212158864U (en) | Temperature sensor | |
| CN211978158U (en) | Sleeve type temperature sensor | |
| CN216449049U (en) | High-temperature high-pressure high-sensitivity sleeve injection molding type temperature sensor | |
| CN211553126U (en) | A high-efficient temperature sensor for new energy automobile cooling system | |
| CN213733161U (en) | Temperature-sensing line structure and hot runner system | |
| CN207717247U (en) | A kind of embedded evaporator temperature sensor | |
| CN214258930U (en) | Cooking apparatus | |
| CN211347143U (en) | Miniature thermometer | |
| CN215004020U (en) | Tail gas temperature sensor | |
| CN215217867U (en) | Temperature sensing detection structure and cooking utensil | |
| CN212228244U (en) | Insulated and reliable sensor and cooking utensil thereof | |
| CN220227812U (en) | Liquid level control and sealing device for pump | |
| CN210802720U (en) | Embedded temperature sensor | |
| CN217637723U (en) | Temperature sensor used in deep sea environment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |