CN219368947U - Sealing structure of temperature sensor - Google Patents
Sealing structure of temperature sensor Download PDFInfo
- Publication number
- CN219368947U CN219368947U CN202320202292.1U CN202320202292U CN219368947U CN 219368947 U CN219368947 U CN 219368947U CN 202320202292 U CN202320202292 U CN 202320202292U CN 219368947 U CN219368947 U CN 219368947U
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- temperature sensor
- sealing
- wire
- connecting seat
- sealing structure
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Abstract
The utility model provides a sealing structure of a temperature sensor, which comprises a protective shell, the temperature sensor, a wire and a connecting seat, wherein the temperature sensor is arranged in the protective shell and connected with the connecting seat through the wire, the wire comprises a wire skin and a wire core, the wire skin arranged in the connecting seat is peeled off, both sides of the wire core exposed due to peeling are completely covered by a sealing gasket, one side of the sealing gasket is also provided with a sealing cover plate for pressing the sealing gasket, and the outer layer of the connecting seat is also provided with the sealing shell. According to the utility model, the tested medium is prevented from flowing into external equipment by sealing part of the wire core, so that the sealing performance is good and the safety performance is high.
Description
Technical Field
The utility model relates to the technical field of sensors, in particular to a sealing structure of a temperature sensor.
Background
The prior wired thermal resistance type temperature sensor basically adopts a scheme of sealing a front-end sealed metal shell and a rear-end electronic sealant, and the scheme has very low response speed because the thermal resistance cannot directly contact a measured medium, and is usually opened on the front-end metal shell for a fluid medium (comprising liquid and gas), so that the thermal resistance can directly contact the measured medium, and the response speed is improved. However, such a solution is usually only used under normal pressure or low pressure due to the fact that the lead is sealed by using an electronic sealant, and because the lead core and the lead sheath are not sealed, fluid medium can leak from the inside of the lead, and in severe cases, can enter the acquisition card or the controller along the lead, and the like, so that equipment is damaged.
Disclosure of Invention
In order to solve the defects in the prior art, the utility model provides a sealing structure of a temperature sensor, which is characterized in that a part of wire cores are sealed to prevent a measured medium from flowing into external equipment, so that the sealing performance is good, and the safety performance is high.
The technical scheme adopted is as follows:
the utility model provides a temperature sensor's seal structure, includes protective housing, temperature sensor, wire and connecting seat, temperature sensor locate protective housing's inside, be connected with the connecting seat through the wire, the wire include line skin and sinle silk, locate the line skin part in the connecting seat and be peeled off, the both sides of the sinle silk that exposes because of peeling off are all covered by sealing gasket, sealing gasket one side be equipped with the sealing cover plate that sticiss sealing gasket, the connecting seat skin still be equipped with sealing housing.
Further, the protective housing comprises a stainless steel probe and a sealing mounting seat.
Further, the outer side of the sealing installation seat is provided with threads matched with the measured container.
Further, the probe is provided with a spiral exposure groove at the position of the sensor.
Further, the temperature sensor is a temperature measuring chip.
Further, the lead is fixedly connected with the temperature sensor.
Further, the sealing cover plate is fixed on the protective shell through a cover plate fixing bolt, and the sealing shell is fixed through a shell fixing bolt.
Further, the lead extends out of the connecting seat, and the extending part is provided with a high-temperature-resistant heat shrink tube for protecting and limiting the lead. Compared with the prior art, the utility model has the following technical effects:
the utility model provides a sealing structure of a temperature sensor, which comprises a protective shell, a temperature sensor wire and a connecting seat, wherein the wire extends into the connecting seat, and part of the wire skin is peeled off to expose a wire core. The silica gel sealing gaskets are used on two sides of the wire core to seal the wire core, the tested medium is prevented from leaking out from between the wire core and the wire skin, the sealing performance of the sensor system and the safety of external connection equipment are guaranteed, and the protective casing of the sensor is connected with the tested container in a mounting manner by adopting sealing threads, so that the sealing performance of the tested container is not influenced by the whole sensor system. The whole structure has good sealing performance and high safety coefficient.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is an internal schematic diagram of the present utility model;
FIG. 3 is an enlarged view at a of FIG. 2;
the high-temperature-resistant heat-shrinkable tube comprises a protective shell 1, a probe 101, a sealing mounting seat 102, a temperature sensor 2, a wire 3, a wire sheath 301, a wire core 302, a connecting seat 4, a sealing gasket 5, a sealing cover plate 6, a cover plate fixing bolt 7, a sealing shell 8, a spiral exposing groove 9, a shell fixing bolt 10 and a high-temperature-resistant heat-shrinkable tube 11.
Detailed Description
The utility model is further described below in connection with specific embodiments.
Referring to fig. 1, 2 and 3, a sealing structure of a temperature sensor comprises a protective housing 1, the temperature sensor 2, a wire 3 and a connecting seat 4, wherein the temperature sensor 2 is arranged in the protective housing 1 and is connected with the connecting seat 4 through the wire 3, the wire 3 comprises a wire skin 301 and a wire core 302, the wire skin 301 arranged in the connecting seat is peeled off, both sides of the exposed wire core 302 are completely covered by a sealing gasket 5 due to peeling, a sealing cover plate 6 for tightly pressing the sealing gasket 5 is arranged on one side of the sealing gasket 5, and a sealing housing 8 is further arranged on the outer layer of the connecting seat 4.
As a further preferred option, the wire 3 may be a single-core pure copper wire, one end of the wire 3 is connected with the temperature sensor 2, the other end is sealed inside the connecting seat 4, the part of the wire 3 arranged inside the connecting seat 4 is stripped, the exposed wire core 302 can be surrounded by a 30-degree soft silica gel sealing gasket 5, the wire core 302 can be tightly wrapped by the sealing gasket 5 under the condition of enough compression, and when a tested medium flows through, the sealing gasket 5 plays a role of blocking, so that the medium is prevented from flowing into external equipment from the wire skin and the wire core slit, and the safety of the external equipment is ensured not to be damaged.
As a further preferable mode, the lead 3 is fixedly connected with the temperature sensor 2 by welding, and the external measured medium is blocked.
As a further preferred option, the protective housing 1 comprises a stainless steel probe 101 and a seal mount 102. The outside of the sealing installation seat 102 is provided with threads matched with the measured container. The sealing mounting seat 102 can be tightly connected with the measured container through threads, so that the tightness of the measured container is ensured, and the measurement result is more accurate.
As a further preferred option, the stainless steel probe 101 is provided with a spiral exposure groove 9 at the sensor 2. The spiral exposure groove 9 enables the temperature sensor 2 to be exposed to the measured medium for one week, so that the response speed is improved, and the sensitivity is enhanced. The spiral exposure groove is close to the whole circle of the opening, so that the fluid remained in the main body can flow out of the bottom notch regardless of the installation orientation, and accumulation in the main body is avoided.
As a further preferred aspect, the temperature sensor 2 is a temperature measuring chip.
As a further preference, the sealing cover plate 6 is fixed on the protective housing 1 by a cover plate fixing bolt 7, and the sealing housing 8 is fixed by a housing fixing bolt 10, so that the wires and the internal structure are not damaged.
As a further preferred aspect, the wire 3 extends from the connection seat 4, and the extending portion is provided with a high-temperature-resistant heat shrink tube 11 for protecting and limiting the wire. The high temperature resistant heat shrinkage tube 11 is arranged outside the wire 3 and wraps the wire 3, thereby playing a role in protection. More preferably, the high temperature resistant heat shrinkage tube 11 is arranged in the center of the connecting seat 4 to limit the wire 3. The temperature sensor 2 is guaranteed to be centered in working position and is not collided with the inner wall of the protective shell 1 to cause testing errors.
The utility model provides a sealing structure of a temperature sensor, which comprises a protective shell, the temperature sensor, a wire and a connecting seat, wherein the wire extends into the connecting seat, and part of wire skin is peeled off to expose a wire core. The silica gel sealing gaskets are used on two sides of the wire core to seal the wire core, the tested medium is prevented from leaking out from between the wire core and the wire skin, the sealing performance of the sensor system and the safety of external connection equipment are guaranteed, and the protective casing of the sensor is connected with the tested container in a mounting manner by adopting sealing threads, so that the sealing performance of the tested container is not influenced by the whole sensor system.
The foregoing description is only of the optional embodiments of the present utility model, and is not intended to limit the scope of the utility model, and all the equivalent structural changes made by the description of the present utility model and the accompanying drawings or the direct/indirect application in other related technical fields are included in the scope of the utility model.
Claims (8)
1. The utility model provides a temperature sensor's seal structure, includes protective housing (1), temperature sensor (2), wire (3) and connecting seat (4), temperature sensor (2) locate the inside of protective housing (1), be connected its characterized in that with connecting seat (4) through wire (3): the wire (3) comprises a wire skin (301) and a wire core (302), the wire skin (301) arranged in the connecting seat is partially stripped, two sides of the exposed wire core (302) are completely covered by the sealing gasket (5) due to stripping, one side of the sealing gasket (5) is provided with a sealing cover plate (6) tightly pressing the sealing gasket (5), and the outer layer of the connecting seat (4) is also provided with a sealing shell (8).
2. A sealing structure of a temperature sensor as claimed in claim 1, wherein: the protective shell (1) comprises a stainless steel probe (101) and a sealing installation seat (102).
3. A sealing structure of a temperature sensor as claimed in claim 2, wherein: the outside of the sealing installation seat (102) is provided with threads matched with the measured container.
4. A sealing structure of a temperature sensor as claimed in claim 2, wherein: the probe is provided with a spiral exposure groove (9) at the position of the temperature sensor (2).
5. A sealing structure of a temperature sensor as claimed in claim 1, wherein: the temperature sensor (2) is a temperature measuring chip.
6. A sealing structure of a temperature sensor as claimed in claim 1, wherein: the lead (3) is fixedly connected with the temperature sensor (2).
7. A sealing structure of a temperature sensor as claimed in claim 1, wherein: the sealing cover plate (6) is fixed on the protective shell (1) through a cover plate fixing bolt (7), and the sealing shell (8) is fixed through a shell fixing bolt (10).
8. A sealing structure of a temperature sensor as claimed in claim 1, wherein: the wire (3) extends out of the connecting seat (4), and the extending part is provided with a high-temperature-resistant heat shrink tube (11) for protecting and limiting the wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320202292.1U CN219368947U (en) | 2023-02-02 | 2023-02-02 | Sealing structure of temperature sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320202292.1U CN219368947U (en) | 2023-02-02 | 2023-02-02 | Sealing structure of temperature sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219368947U true CN219368947U (en) | 2023-07-18 |
Family
ID=87114546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320202292.1U Active CN219368947U (en) | 2023-02-02 | 2023-02-02 | Sealing structure of temperature sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219368947U (en) |
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2023
- 2023-02-02 CN CN202320202292.1U patent/CN219368947U/en active Active
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