CN220819252U - Thermistor sensor with good sealing performance - Google Patents
Thermistor sensor with good sealing performance Download PDFInfo
- Publication number
- CN220819252U CN220819252U CN202322696567.4U CN202322696567U CN220819252U CN 220819252 U CN220819252 U CN 220819252U CN 202322696567 U CN202322696567 U CN 202322696567U CN 220819252 U CN220819252 U CN 220819252U
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- sealing
- sealing block
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- resistor
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- 238000007789 sealing Methods 0.000 title claims abstract description 143
- 230000001681 protective effect Effects 0.000 claims abstract description 18
- 238000004806 packaging method and process Methods 0.000 claims abstract description 9
- 230000000694 effects Effects 0.000 abstract description 4
- 238000005538 encapsulation Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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- Thermistors And Varistors (AREA)
Abstract
The utility model belongs to the technical field of sensors, and particularly relates to a thermistor sensor with good sealing performance, which comprises a protective shell, wherein a resistor cavity is formed in the protective shell, a sealing cavity is formed in one side of the resistor cavity, a packaging cavity is formed in one side of the sealing cavity, a thermal resistor is arranged in the resistor cavity, a power connection column is connected to the thermal resistor, a power connection pin is arranged at one end, far away from the thermal resistor, of the power connection column, a first sealing block is arranged in the sealing cavity, and a spring is arranged on one side of the first sealing block. According to the utility model, the resistor cavity, the sealing cavity and the packaging cavity are formed in the protective shell, the first sealing block and the second sealing block are arranged in the sealing cavity, the third sealing block is arranged in the packaging cavity, meanwhile, the sealing rings are arranged on the side walls of the first sealing block and the second sealing block, and the first sealing rubber and the second sealing rubber are respectively arranged on the second sealing block and the third sealing block, so that the aim of improving the sealing effect of the device can be achieved.
Description
Technical Field
The utility model relates to the technical field of sensors, in particular to a thermistor sensor with good sealing performance.
Background
The sensor is used as a detection device, can meet the requirements of information transmission, processing, storage, display, recording, control and the like, is various in types, correspondingly can be selected according to the acquired or detected information types to be detected, is used as a very common sensor, is manufactured by taking a thermistor as a microwave power measuring element, has the advantages of high measurement accuracy, good stability and high repeatability, and is widely applied to the fields of household appliances and the like.
The prior art has the following problems:
The existing thermistor sensor is characterized in that the thermal resistor is connected with a peripheral processor through a wire during assembly, and then is arranged in a protective shell for packaging, the packaging structure is simple, the sealing performance inside the protective shell is poor, and the phenomenon that the thermal resistor is corroded by water vapor easily occurs.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model provides a thermistor sensor with good sealing performance, and solves the problem of poor sealing effect of the sensor existing at present.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a thermistor sensor that leakproofness is good, includes the protective housing, the resistance chamber has been seted up in the protective housing, and the sealed chamber has been seted up to one side in resistance chamber, the encapsulation chamber has been seted up to one side in sealed chamber, and the resistance intracavity is provided with the thermal resistor, be connected with the electric pole on the thermal resistor, and the one end that the thermal resistor was kept away from to the electric pole is provided with the electric pin that connects, the sealed intracavity is provided with first sealing block, and one side of first sealing block is provided with the spring, one side that first sealing block was kept away from to the spring is provided with the second sealing block, and has seted up first spliced eye on the second sealing block, be connected with first sealing rubber in the first spliced eye, and be provided with the third sealing block in the sealed chamber, the logical groove has been seted up on the third sealing block, and the second spliced eye has been seted up to one side in the logical groove, be connected with second sealing rubber in the second spliced eye, and be connected with the wire on the second sealing rubber.
As a preferable technical scheme of the utility model, the diameter of the first sealing block is the same as that of the second sealing block, and sealing rings are arranged on the side walls of the first sealing block and the second sealing block.
As a preferable technical scheme of the utility model, the inner diameter of the first plug hole is matched with the outer diameter of the smaller end of the first sealing rubber, and the positions of the two groups of first plug holes correspond to the positions of the power connection pins.
As a preferable technical scheme of the utility model, through holes are formed in the centers of the first sealing rubber and the second sealing rubber, and the inner diameter of the through hole in the first sealing rubber is matched with the branching diameter of the wire.
As a preferable technical scheme of the utility model, an inner thread groove is formed on the inner wall of the packaging cavity, and the third sealing block is connected with the protective shell through threads.
As a preferable technical scheme of the utility model, the second plug hole is positioned at the center of the third sealing block, and the inner diameter of the second plug hole is matched with the outer diameter of the smaller end of the second sealing rubber.
Compared with the prior art, the utility model provides the thermistor sensor with good sealing performance, which has the following beneficial effects:
1. This thermistor sensor that leakproofness is good, through offer the resistance chamber in the protective housing inside, sealed chamber and encapsulation chamber, and set up first sealing piece and second sealing piece in sealed chamber, set up the third sealing piece in encapsulation intracavity, set up the sealing washer simultaneously on the lateral wall of first sealing piece and second sealing piece, and set up first spliced eye and second spliced eye respectively on second sealing piece and third sealing piece, set up first sealing rubber and second sealing rubber respectively at first spliced eye and second spliced eye, utilize first sealing piece to seal the resistance chamber during the use, in order to prevent to steam immersion resistance intracavity, then reuse second sealing piece seals the sealed chamber, in order to prevent to steam invasion first sealing piece and second sealing piece in the clearance between, the wiring end of wire causes the influence, rethread third sealing piece seals the inside of whole protective housing, can effectually improve the sealed effect of device through this multiple sealed mode.
2. This kind of thermistor sensor that leakproofness is good, through set up the spring between first sealing piece and second sealing piece, and adopt threaded connection's mode to be connected with protective housing with the third sealing piece, set up first spliced eye simultaneously on the second sealing piece, and set up the first sealing rubber that has the through-hole in first spliced eye, place thermal resistor and first sealing piece in protective housing during the equipment, then place spring and second sealing piece in sealed intracavity in proper order, the rethread extrudees the second sealing piece and makes the electric pin pass from first spliced eye, then connect the separated time of wire to the electric pin on again unclamping the second sealing piece, insert first sealing rubber in the first spliced eye at last, finally fix the third sealing piece in sealed intracavity can, can be convenient for loading and unloading maintenance thermal resistor through this mode.
Drawings
FIG. 1 is a schematic diagram of a front view structure of the present utility model;
FIG. 2 is a schematic view of the protective housing structure of the present utility model;
FIG. 3 is a schematic cross-sectional view of the present utility model;
Fig. 4 is a schematic structural view of a second sealing block according to the present utility model.
In the figure: 1. a protective housing; 2. a resistive cavity; 3. sealing the cavity; 4. a packaging cavity; 5. thermal resistance; 6. a power connection column; 7. a power connection pin; 8. a first sealing block; 9. a spring; 10. a second sealing block; 11. a first plug hole; 12. a first sealing rubber; 13. a third sealing block; 14. a through groove; 15. a second plug hole; 16. a second sealing rubber; 17. a wire; 18. a seal ring; 19. and a through hole.
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.
Referring to fig. 1 to 4, in the present embodiment: the utility model provides a thermistor sensor that leakproofness is good, including protecting the shell 1, resistance chamber 2 has been seted up in protecting the shell 1, sealed chamber 3 has been seted up to one side in resistance chamber 2, sealed chamber 4 has been seted up to one side in sealed chamber 3, be provided with thermal resistor 5 in the resistance chamber 2, be connected with on the thermal resistor 5 and connect electric post 6, the one end that thermal resistor 5 was kept away from to electric post 6 is provided with and connects electric pin 7, be used for connecting wire 17, be provided with first sealing block 8 in sealed chamber 3, one side of first sealing block 8 is provided with spring 9, be used for the reset of second sealing block 10, one side that spring 9 kept away from first sealing block 8 is provided with second sealing block 10, first spliced eye 11 has been seted up on the second sealing block 10, be connected with first sealing rubber 12 in the first spliced eye 11, be provided with third sealing block 13 in the sealed chamber 4, open through groove 14 has been seted up on the third sealing block 13, one side of through groove 14 has been seted up second spliced eye 15, be connected with second sealing rubber 16 in the second spliced eye 15, be connected with wire 17 on the second sealing rubber 16.
In this embodiment, the diameter of the first sealing block 8 is the same as that of the second sealing block 10, and sealing rings 18 are arranged on the side walls of the first sealing block 8 and the second sealing block 10 to improve the sealing of the resistor cavity 2; the inner diameter of the first plug holes 11 is matched with the outer diameter of the smaller end of the first sealing rubber 12, and the positions of the two groups of first plug holes 11 correspond to the positions of the power connection pins 7 so as to connect the lead wires 17 to the power connection pins 7; through holes 19 are formed in the centers of the first sealing rubber 12 and the second sealing rubber 16, and the inner diameter of the through holes 19 on the first sealing rubber 12 is matched with the branching diameter of the wires 17 so as to connect the wires 17; an inner thread groove is formed in the inner wall of the packaging cavity 4, and the third sealing block 13 is connected with the protective shell 1 through threads so as to assemble and disassemble the third sealing block 13; the second plugging hole 15 is located at the center of the third sealing block 13, and the inner diameter of the second plugging hole 15 is matched with the outer diameter of the smaller end of the second sealing rubber 16, so that the tightness of the second plugging hole 15 is ensured.
The working principle and the using flow of the utility model are as follows: according to the utility model, the resistor cavity 2 and the thermal resistor 5 in the resistor cavity 2 are sealed by the first sealing block 8 so as to prevent water vapor from immersing into the resistor cavity 2 to affect the thermal resistor 5, the second sealing block 10 is used for sealing the sealing cavity 3 so as to prevent water vapor from immersing into a space between the first sealing block 8 and the second sealing block 10 to affect the wiring ends of the power pins 7 and the wires 17, and finally the third sealing block 13 is used for fixing the second sealing block 10, and meanwhile, the end part of the protective shell 1 is sealed, so that the sealing effect of the device can be remarkably improved in a multiple sealing mode.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. The utility model provides a thermistor sensor that leakproofness is good, includes protective housing (1), its characterized in that: the protection shell is characterized in that a resistor cavity (2) is formed in the protection shell (1), a sealing cavity (3) is formed in one side of the resistor cavity (2), a sealing cavity (4) is formed in one side of the sealing cavity (3), a thermal resistor (5) is arranged in the resistor cavity (2), a power connection column (6) is connected to the thermal resistor (5), one end, far away from the thermal resistor (5), of the power connection column (6) is provided with a power connection pin (7), a first sealing block (8) is arranged in the sealing cavity (3), a spring (9) is arranged on one side of the first sealing block (8), a second sealing block (10) is arranged on one side, far away from the first sealing block (8), a first plug hole (11) is formed in the second sealing block (10), a first sealing rubber (12) is arranged in the first plug hole (11), a third sealing block (13) is arranged in the sealing cavity (4), a through groove (14) is formed in the third sealing block (13), and a second plug hole (16) is formed in one side of the sealing block (14), and a second plug hole (16) is formed in the second sealing block (16).
2. A sealed thermistor sensor according to claim 1, characterized in that: the diameter of the first sealing block (8) is the same as that of the second sealing block (10), and sealing rings (18) are arranged on the side walls of the first sealing block (8) and the second sealing block (10).
3. A sealed thermistor sensor according to claim 1, characterized in that: the inner diameter of the first plug holes (11) is matched with the outer diameter of the smaller end of the first sealing rubber (12), and the positions of the two groups of first plug holes (11) correspond to the positions of the power connection pins (7).
4. A sealed thermistor sensor according to claim 1, characterized in that: through holes (19) are formed in the centers of the first sealing rubber (12) and the second sealing rubber (16), and the inner diameter of each through hole (19) in the first sealing rubber (12) is matched with the branching diameter of the corresponding lead (17).
5. A sealed thermistor sensor according to claim 1, characterized in that: an inner thread groove is formed in the inner wall of the packaging cavity (4), and the third sealing block (13) is connected with the protective shell (1) through threads.
6. A sealed thermistor sensor according to claim 1, characterized in that: the second plug hole (15) is positioned at the center of the third sealing block (13), and the inner diameter of the second plug hole (15) is matched with the outer diameter of the smaller end of the second sealing rubber (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322696567.4U CN220819252U (en) | 2023-10-09 | 2023-10-09 | Thermistor sensor with good sealing performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322696567.4U CN220819252U (en) | 2023-10-09 | 2023-10-09 | Thermistor sensor with good sealing performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220819252U true CN220819252U (en) | 2024-04-19 |
Family
ID=90712011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322696567.4U Active CN220819252U (en) | 2023-10-09 | 2023-10-09 | Thermistor sensor with good sealing performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220819252U (en) |
-
2023
- 2023-10-09 CN CN202322696567.4U patent/CN220819252U/en active Active
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