CN219870012U - NTC temperature sensor of high insulating leakproofness - Google Patents
NTC temperature sensor of high insulating leakproofness Download PDFInfo
- Publication number
- CN219870012U CN219870012U CN202320974123.XU CN202320974123U CN219870012U CN 219870012 U CN219870012 U CN 219870012U CN 202320974123 U CN202320974123 U CN 202320974123U CN 219870012 U CN219870012 U CN 219870012U
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- thermistor
- protective housing
- screw hole
- recess
- sets
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- 230000001681 protective effect Effects 0.000 claims abstract description 88
- 239000000523 sample Substances 0.000 claims abstract description 21
- 238000007789 sealing Methods 0.000 claims description 59
- 238000009413 insulation Methods 0.000 abstract description 7
- 239000000428 dust Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
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- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The utility model belongs to the technical field of NTC temperature sensors, in particular to a high-insulation and high-tightness NTC temperature sensor, which comprises a protective shell, wherein a rotating shaft groove is formed in the inner side wall of the protective shell, a rotating shaft is arranged in the rotating shaft groove, a fixing member is arranged on the rotating shaft, a torsion spring is arranged on the outer surface of the rotating shaft, a thermistor is arranged in the protective shell, a wire is arranged at the bottom of the thermistor, an insulating layer is arranged at the bottom of the thermistor, a probe is arranged at one end of the wire far away from the thermistor, and an opening is formed in the middle of the bottom of the protective shell; the thermistor is clamped and fixed inside the protective shell by the two groups of fixing members.
Description
Technical Field
The utility model relates to the technical field of NTC temperature sensors, in particular to an NTC temperature sensor with high insulation and sealing performance.
Background
The NTC temperature sensor is widely applied to electrical equipment such as an electric pressure cooker, an air conditioner, a refrigerator, a water heater, a water dispenser and the like, and the NTC thermistor has the characteristics of high sensitivity, simple structure and the like; the thermistor of the existing NTC temperature sensor is arranged inside the protective shell, the probe is arranged outside the protective shell, and the thermistor is connected with the probe through a wire.
The prior art has the following problems:
1. the existing NTC temperature sensor is poor in sealing performance, and moisture and dust in the external environment easily enter the protective shell during working, so that the insulation performance of the NTC temperature sensor is reduced;
2. the thermistor of the existing NTC temperature sensor is directly placed inside the protective shell, and is easy to shake in the protective shell, so that the thermistor collides with the inner wall of the protective shell, and the thermistor is damaged.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides the NTC temperature sensor with high insulation and sealing performance, which solves the problems that the existing NTC temperature sensor has poor sealing performance, and moisture and dust in the external environment easily enter the inside of the protective shell during working, so that the insulation performance of the NTC temperature sensor is reduced; the thermistor of the existing NTC temperature sensor is directly placed inside the protective shell, and is easy to shake in the protective shell, so that the thermistor collides with the inner wall of the protective shell, and the thermistor is damaged.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a NTC temperature sensor of high insulating leakproofness, includes the protective housing, the inside lateral wall of protective housing is provided with the pivot groove, the pivot inslot is provided with the rotation axis, be provided with fixed component on the rotation axis, the rotation axis surface is provided with the torsional spring, the inside thermistor that is provided with of protective housing, the thermistor bottom is provided with the wire, thermistor one end is provided with the probe to the wire, protective housing bottom intermediate head is provided with the opening, the thermistor bottom is provided with sealing washer, the protective housing bottom is provided with the shrouding, the shrouding middle part is provided with the through-hole, the shrouding bottom is close to the through-hole both sides and is provided with the sheet rubber, the shrouding both sides are provided with first screw hole, protective housing bottom both sides are provided with the second screw hole, second screw hole is provided with the bolt, the shrouding top both sides are provided with first recess, protective housing bottom both sides are provided with the second recess, first recess inside is provided with sealing pad, second recess inside is provided with sealing pad.
As a preferable technical scheme of the utility model, the inner side wall of the protective housing is provided with two groups of rotating shaft grooves, the rotating shaft grooves are movably connected with rotating shafts, the rotating shafts are provided with two groups, the rotating shafts are fixedly connected with fixing members, the fixing members are provided with two groups, one end of the torsion spring is fixedly connected with the outer surface of the rotating shaft, the other end of the torsion spring is fixedly connected with the inner wall of the rotating shaft grooves, and the torsion springs are provided with two groups.
As a preferable technical scheme of the utility model, a thermistor is movably connected in the protective shell, the thermistor is positioned between two groups of fixing members, a wire is fixedly connected to the bottom of the thermistor, an insulating layer is fixedly connected to the connection part of the thermistor and the wire, a probe is fixedly connected to the outer side of the protective shell from one end of the wire, which is far away from the thermistor, and the thermistor, the wire, the insulating layer and the probe form an NTC temperature sensor.
As a preferable technical scheme of the utility model, an opening is formed in the middle of the bottom of the protective shell, the top of the sealing gasket is movably connected with the bottom of the thermistor, and the bottom of the sealing gasket is movably connected with the top of the sealing plate.
As a preferable technical scheme of the utility model, the bottom of the protective shell is movably connected with a sealing plate, the middle of the sealing plate is provided with a through hole, rubber sheets are fixedly connected to the bottom of the sealing plate close to two sides of the through hole, two groups of rubber sheets are arranged, the two groups of sealing gaskets are respectively aligned with the two groups of rubber sheets up and down, and the diameter of the through hole is larger than the size of the probe.
As a preferable technical scheme of the utility model, the two sides of the sealing plate are provided with the first threaded holes, the two groups of the first threaded holes are arranged, the two sides of the bottom of the protective shell are provided with the second threaded holes, the two groups of the second threaded holes are arranged, the first threaded holes are internally and screwed with bolts, the second threaded holes are internally and screwed with bolts, the two groups of the bolts are arranged, and the bolts are matched with the first threaded holes and the second threaded holes.
As a preferable technical scheme of the utility model, first grooves are formed in two sides of the top of the sealing plate, two groups of the first grooves are arranged, the first grooves are positioned between the first threaded holes and the through holes, second grooves are formed in two sides of the bottom of the protective shell, two groups of the second grooves are arranged, the second grooves are positioned between the second threaded holes and the openings, sealing cushion blocks are movably connected in the first grooves, sealing cushion blocks are movably connected in the second grooves, the upper half parts of the sealing cushion blocks are positioned in the second grooves, the lower half parts of the sealing cushion blocks are positioned in the first grooves, and the two groups of the sealing cushion blocks are arranged.
Compared with the prior art, the utility model provides the NTC temperature sensor with high insulation and sealing performance, which has the following beneficial effects:
1. this NTC temperature sensor of high insulating leakproofness, through sealing washer top and thermistor bottom swing joint, sealing washer bottom and shrouding top swing joint, the shrouding bottom is close to through-hole both sides fixedly connected with rubber sheet, the inside swing joint of first recess has sealed cushion, the inside swing joint of second recess has sealed cushion, pass sealing washer with the wire of thermistor bottom in proper order, the through-hole, and between two sets of rubber sheets, until sealing washer and thermistor contact, place the thermistor in the protective housing again, make shrouding top and protective housing bottom contact, and make first screw hole and second screw hole vertically align, first recess and second recess vertically align, insert the second screw hole with the bolt through first screw hole, make shrouding and protective housing fixed connection, make sealed cushion fix in first recess and second recess, moisture and dust in the sealed cushion prevents external environment from entering into the protective housing inside from protective housing junction, and sealing washer is compressed, moisture and dust in the sealed prevention external environment enter into the protective housing from the through-hole, thereby moisture in the prevention external environment and entering NTC temperature sensor's inside, make the insulating properties of sensor avoid.
2. This NTC temperature sensor of high insulating leakproofness, there is the rotation axis through pivot inslot swing joint, fixedly connected with fixed component on the rotation axis, torsional spring one end and rotation axis surface fixed connection, the torsional spring other end and pivot inslot wall fixed connection, when thermistor enters into inside the protective housing, thermistor promotes fixed component to the direction of keeping away from the shrouding, until shrouding and protective housing contact, the torsional spring can drive fixed component to thermistor's surface reset rotation, make fixed component's bottom hug closely on thermistor's surface, thereby make thermistor by two sets of fixed component clamp fixing inside the protective housing.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of a thermistor fixing mechanism according to the present utility model;
FIG. 3 is a schematic diagram of an NTC temperature sensor according to the present utility model;
FIG. 4 is a schematic view of a seal plate according to the present utility model;
fig. 5 is a schematic diagram of the structure of fig. 1 a according to the present utility model.
In the figure: 1. a protective shell; 2. a rotating shaft groove; 3. a rotation shaft; 4. a fixing member; 5. a torsion spring; 6. a thermistor; 7. a wire; 8. an insulating layer; 9. a probe; 10. an opening; 11. a sealing gasket; 12. a sealing plate; 13. a through hole; 14. a rubber sheet; 15. a first threaded hole; 16. a second threaded hole; 17. a bolt; 18. a first groove; 19. a second groove; 20. and (5) sealing the cushion block.
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 5, in the present embodiment: the utility model provides a high insulating leakproofness's NTC temperature sensor, including protective housing 1, protective housing 1 inside lateral wall is provided with pivot groove 2, pivot groove 2 makes rotation shaft 3 rotatable, be provided with rotation shaft 3 in the pivot groove 2, rotation shaft 3 drives fixed component 4 rotation, be provided with fixed component 4 on the rotation shaft 3, fixed component 4 presss from both sides tight fixing with thermistor 6 in protective housing 1, the rotation shaft 3 surface is provided with torsional spring 5, torsional spring 5 drives fixed component 4 and resets, protective housing 1 inside is provided with thermistor 6, thermistor 6 bottom is provided with wire 7, thermistor 6 bottom is provided with insulating layer 8, insulating layer 8 makes thermistor 6 and outside insulation, wire 7 keeps away from thermistor 6 one end and is provided with probe 9, protective housing 1 bottom intermediate head is provided with opening 10, opening 10 makes thermistor 6 get into protective housing 1 inside, thermistor 6 bottom is provided with sealing washer 11, sealing washer 11 prevents moisture and dust in the external environment from entering into protective housing 1 from through-hole 13, protective housing 1 bottom is provided with 12, shrouding 12 middle part is provided with through-hole 13, through-hole 13 makes probe 9 and wire 7 pass 12, shrouding 12 bottom is close to 12 both sides, 14 are provided with wire 7, the second screw hole 17 and bolt hole 17 is provided with a pair of screw hole 17 and is provided with a pair of screw hole 17 in the screw hole is provided with, 17 and is connected to the second screw hole 1 to the screw hole is provided with a pair of screw hole 1, 17 is provided with screw hole 17, the screw hole is connected to the screw hole is provided with a bolt 17 to the screw hole is provided with a bolt hole 1 to the top hole is connected with a pair of screw hole 1, 17 is provided with a bolt hole is connected with a screw hole 1 to the screw hole 17, 17 is provided with a bolt hole is connected with a hole 17, and a hole is provided with a hole 17 is 17. The protective housing 1 bottom both sides are provided with second recess 19, and first recess 18 inside is provided with sealed cushion 20, and second recess 19 inside is provided with sealed cushion 20, and sealed cushion 20 prevents moisture and dust in the external environment from entering into protective housing 1 inside from shrouding 12 and protective housing 1 junction.
In the embodiment, a rotating shaft groove 2 is formed in the inner side wall of a protective shell 1, two groups of rotating shaft grooves 2 are formed in the rotating shaft groove 2, a rotating shaft 3 is movably connected in the rotating shaft groove 2, two groups of rotating shafts 3 are formed in the rotating shaft 3, a fixing member 4 is fixedly connected to the rotating shaft 3, two groups of fixing members 4 are arranged on the rotating shaft 3, one end of a torsion spring 5 is fixedly connected with the outer surface of the rotating shaft 3, the other end of the torsion spring 5 is fixedly connected with the inner wall of the rotating shaft groove 2, two groups of torsion springs 5 are arranged, and a thermistor 6 is clamped and fixed in the protective shell 1; the inside of the protective shell 1 is movably connected with a thermistor 6, the thermistor 6 is positioned between two groups of fixing members 4, the bottom of the thermistor 6 is fixedly connected with a conducting wire 7, the connecting part of the thermistor 6 and the conducting wire 7 is fixedly connected with an insulating layer 8, one end of the conducting wire 7, which is far away from the thermistor 6, extends to the outside of the protective shell 1 and is fixedly connected with a probe 9, and the thermistor 6, the conducting wire 7, the insulating layer 8 and the probe 9 form an NTC temperature sensor, so that the thermistor 6 is insulated from the outside; an opening 10 is formed in the middle of the bottom of the protective shell 1, the top of the sealing gasket 11 is movably connected with the bottom of the thermistor 6, the bottom of the sealing gasket 11 is movably connected with the top of the sealing plate 12, and moisture and dust in the external environment are prevented from entering the protective shell 1 from the through hole 13; the bottom of the protective shell 1 is movably connected with a sealing plate 12, a through hole 13 is formed in the middle of the sealing plate 12, rubber sheets 14 are fixedly connected to the bottom of the sealing plate 12 close to the two sides of the through hole 13, two groups of rubber sheets 14 are arranged, two groups of sealing gaskets 11 are respectively aligned with the two groups of rubber sheets 14 up and down, the diameter of the through hole 13 is larger than the size of the probe 9, so that the probe 9 and a lead 7 penetrate through the sealing plate 12, and the probe 9 is arranged outside the protective shell 1; the two sides of the sealing plate 12 are provided with first threaded holes 15, the first threaded holes 15 are provided with two groups, the two sides of the bottom of the protective shell 1 are provided with second threaded holes 16, the second threaded holes 16 are provided with two groups, bolts 17 are connected in the first threaded holes 15 in a threaded manner, bolts 17 are connected in the second threaded holes 16 in a threaded manner, the bolts 17 are provided with two groups, and the bolts 17 are matched with the first threaded holes 15 and the second threaded holes 16, so that the sealing plate 12 is fixedly connected with the protective shell 1; the first recess 18 has been seted up to shrouding 12 top both sides, first recess 18 is provided with two sets ofly, first recess 18 is located between first screw hole 15 and the through-hole 13, the second recess 19 has been seted up to protective housing 1 bottom both sides, second recess 19 is provided with two sets ofly, second recess 19 is located between second screw hole 16 and opening 10, the inside swing joint of first recess 18 has sealed cushion 20, the inside swing joint of second recess 19 has sealed cushion 20, sealed cushion 20 top is located second recess 19, sealed cushion 20 bottom is located first recess 18, sealed cushion 20 is provided with two sets ofly, moisture and dust in the external environment are prevented from entering into protective housing 1 from shrouding 12 and protective housing 1 junction.
The working principle and the using flow of the utility model are as follows: the operator has offered through-hole 13 through shrouding 12 middle part, pass sealing washer 11 with lead wire 7 and the probe 9 of thermistor 6 bottom in proper order between two sets of rubber sheets 14, through-hole 13, until sealing washer 11 and thermistor 6 contact, place thermistor 6 in the protective housing 1 again, make shrouding 12 top and protective housing 1 bottom contact, and make first screw hole 15 and second screw hole 16 vertically align, first recess 18 and second recess 19 vertically align, insert bolt 17 into second screw hole 16 with first screw hole 15, make shrouding 12 and protective housing 1 fixed connection, make sealing cushion 20 fix in first recess 18 and second recess 19, sealing washer 20 prevents moisture and dust in the external environment from entering into protective housing 1 from shrouding 12 and protective housing 1 junction, and sealing washer 11 is compressed, moisture and dust in the external environment are prevented from entering into protective housing 1 from through-hole 13, thereby prevent making NTC temperature sensor's insulating properties reduce, when protective housing 6 gets into protective housing 1 inside, insert first screw hole 15 to second screw hole 16, make shrouding 12 and fixed member 4 keep away from pressing from the thermal resistor 4 to the fixed surface of reset member 4, thereby make the fixed surface of reset member 4 keep away from the fixed surface of the thermistor 4 to the fixed surface of the fixed to the protective housing 1, the fixed surface 4, thereby make the fixed surface of reset member 4 is kept close contact with the thermal resistor 4, and fixed surface of the fixed to the reset member 4 is fixed to the surface of the thermistor is fixed to the surface 4.
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 (7)
1. An NTC temperature sensor with high insulating tightness, characterized in that: including protective housing (1), protective housing (1) inside lateral wall is provided with pivot groove (2), be provided with rotation axis (3) in pivot groove (2), be provided with fixed component (4) on rotation axis (3), rotation axis (3) surface is provided with torsional spring (5), protective housing (1) inside is provided with thermistor (6), thermistor (6) bottom is provided with wire (7), thermistor (6) bottom is provided with insulating layer (8), thermistor (6) one end is kept away from to wire (7) is provided with probe (9), protective housing (1) bottom intermediate head is provided with opening (10), thermistor (6) bottom is provided with sealing washer (11), protective housing (1) bottom is provided with shrouding (12), shrouding (12) middle part is provided with through-hole (13), shrouding (12) bottom is close to through-hole (13) both sides and is provided with rubber piece (14), shrouding (12) both sides are provided with first screw hole (15), protective housing (1) bottom both sides are provided with second screw hole (16), first screw hole (15) are provided with screw bolt (17), the sealing plate is characterized in that first grooves (18) are formed in two sides of the top of the sealing plate (12), second grooves (19) are formed in two sides of the bottom of the protective shell (1), sealing cushion blocks (20) are arranged in the first grooves (18), and sealing cushion blocks (20) are arranged in the second grooves (19).
2. The NTC temperature sensor of claim 1 characterized in that it has a high insulating seal: the utility model discloses a rotary shaft structure, including protective housing (1), pivot groove (2) have been seted up to inside lateral wall of protective housing (1), pivot groove (2) are provided with two sets of, swing joint has rotation axis (3) in pivot groove (2), rotation axis (3) are provided with two sets of, fixedly connected with fixed component (4) on rotation axis (3), fixed component (4) are provided with two sets of, torsional spring (5) one end and rotation axis (3) surface fixed connection, torsional spring (5) other end and pivot groove (2) inner wall fixed connection, torsional spring (5) are provided with two sets of.
3. The NTC temperature sensor of claim 1 characterized in that it has a high insulating seal: the utility model discloses a NTC temperature sensor, including protective housing (1), thermistor (6), wire (7) junction fixedly connected with insulating layer (8), thermistor (6) one end is kept away from to wire (7) and is stretched to protective housing (1) outside fixedly connected with probe (9), NTC temperature sensor is constituteed to thermistor (6), wire (7), insulating layer (8), probe (9).
4. The NTC temperature sensor of claim 1 characterized in that it has a high insulating seal: an opening (10) is formed in the middle of the bottom of the protective shell (1), the top of the sealing gasket (11) is movably connected with the bottom of the thermistor (6), and the bottom of the sealing gasket (11) is movably connected with the top of the sealing plate (12).
5. The NTC temperature sensor of claim 1 characterized in that it has a high insulating seal: the utility model discloses a probe, including protective housing (1), sealing washer, through-hole (13) have been seted up to protective housing (1) bottom swing joint, through-hole (13) have been seted up at sealing washer (12) middle part, sealing washer (12) bottom is close to through-hole (13) both sides fixedly connected with sheet rubber (14), sheet rubber (14) are provided with two sets of, two sets of sealing washer (11) align from top to bottom with two sets of sheet rubber (14) respectively, the diameter of through-hole (13) is greater than the size of probe (9).
6. The NTC temperature sensor of claim 1 characterized in that it has a high insulating seal: first screw hole (15) have been seted up to shrouding (12) both sides, first screw hole (15) are provided with two sets of, second screw hole (16) have been seted up to protective housing (1) bottom both sides, second screw hole (16) are provided with two sets of, first screw hole (15) female connection has bolt (17), second screw hole (16) female connection has bolt (17), bolt (17) are provided with two sets of, bolt (17) and first screw hole (15) and second screw hole (16) assorted.
7. The NTC temperature sensor of claim 1 characterized in that it has a high insulating seal: first recess (18) have been seted up to shrouding (12) top both sides, first recess (18) are provided with two sets of, first recess (18) are located between first screw hole (15) and through-hole (13), second recess (19) have been seted up to protective housing (1) bottom both sides, second recess (19) are provided with two sets of, second recess (19) are located between second screw hole (16) and opening (10), inside swing joint of first recess (18) has sealed cushion (20), inside swing joint of second recess (19) has sealed cushion (20), sealed cushion (20) first half is located second recess (19), sealed cushion (20) lower half is located first recess (18), sealed cushion (20) are provided with two sets of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320974123.XU CN219870012U (en) | 2023-04-26 | 2023-04-26 | NTC temperature sensor of high insulating leakproofness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320974123.XU CN219870012U (en) | 2023-04-26 | 2023-04-26 | NTC temperature sensor of high insulating leakproofness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219870012U true CN219870012U (en) | 2023-10-20 |
Family
ID=88333687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320974123.XU Active CN219870012U (en) | 2023-04-26 | 2023-04-26 | NTC temperature sensor of high insulating leakproofness |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219870012U (en) |
-
2023
- 2023-04-26 CN CN202320974123.XU patent/CN219870012U/en active Active
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