CN217304200U

CN217304200U - High-sensitivity temperature-change-resistant NTC temperature sensor

Info

Publication number: CN217304200U
Application number: CN202221087429.5U
Authority: CN
Inventors: 李骏; 王鑫
Original assignee: Anhui Kemin Electronics Co ltd
Current assignee: Anhui Kemin Electronics Co ltd
Priority date: 2022-05-09
Filing date: 2022-05-09
Publication date: 2022-08-26
Anticipated expiration: 2032-05-09

Abstract

The utility model discloses a high-sensitivity temperature-change-resistant NTC temperature sensor, which comprises a joint, wherein a lead is arranged on the side surface of the joint, and a detection probe is arranged at the tail end of the lead; the detection probe comprises a connecting ring arranged at the tail end of a lead, a heat insulation ring arranged on the side face of the connecting ring, a gasket arranged on the inner side of the heat insulation ring, a shell arranged on the side face of the heat insulation ring, a thermistor arranged on the inner side of the shell, and filling glue arranged on the inner side of the heat insulation ring, a sheath is fixed through the connecting ring, the connecting ring and a conductor are fixed at the tail end of the shell through a heat insulation layer, when the temperature of the shell and the thermistor rises, the influence of high temperature received by the sheath is reduced, and the technical effect of improving the high temperature resistance of the connecting part of the lead and the sensor is achieved.

Description

High-sensitivity temperature-change-resistant NTC temperature sensor

Technical Field

The utility model relates to a NTC temperature sensor field especially relates to a high sensitivity is able to bear or endure temperature and is become NTC temperature sensor.

Background

The NTC temperature sensor is a thermistor and a probe, and the principle is that the resistance value of the NTC thermistor rapidly decreases along with the temperature rise under certain measurement power, and the corresponding temperature can be determined by measuring the resistance value of the NTC thermistor by utilizing the characteristic, so that the purposes of detecting and controlling the temperature are achieved.

The NTC temperature sensor mainly has components such as thermistor, wire, its thermistor of commonly used NTC temperature sensor is direct usually to be connected with the wire, because the outside parcel of wire has insulating rubber sheath usually, consequently when NTC temperature sensor is worked under high temperature or ultra-temperature environment, because thermistor's temperature risees, cause the rubber sheath easily to receive high temperature deformation or melt, lead to its junction to damage, for improving this problem, consequently provide a high sensitivity temperature resistant and become NTC temperature sensor.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of prior art, the utility model provides a high sensitivity temperature resistant becomes NTC temperature sensor has produced the technological effect who improves wire and sensor junction high temperature resistance ability.

In order to solve the technical problem, the utility model provides a following technical scheme: a high-sensitivity temperature-change-resistant NTC temperature sensor comprises a joint, wherein a lead is arranged on the side surface of the joint, and a detection probe is arranged at the tail end of the lead;

the detection probe comprises a connecting ring arranged at the tail end of the lead, a heat insulation ring arranged on the side face of the connecting ring, a gasket arranged on the inner side of the heat insulation ring, a shell arranged on the side face of the heat insulation ring, a thermistor arranged on the inner side of the shell, and filling glue arranged on the inner side of the heat insulation ring.

As a preferred technical scheme of the utility model, the wire is including installing the conductor in the joint side to and the sheath of parcel in the conductor outside.

As a preferred technical scheme of the utility model, go-between fixed mounting is in the conductor outside, the go-between outside is provided with the screw thread, and go-between and sheath fixed connection.

As an optimized technical scheme of the utility model, the heat insulating ring inboard is provided with the screw thread, the heat insulating ring passes through screw thread fixed connection with the go-between.

As a preferred technical scheme of the utility model, the packing ring is installed at thermal-insulated ring inboard, packing ring one side and go-between laminating, and the packing ring opposite side contacts with thermal-insulated ring.

As an optimal technical scheme of the utility model, shell and thermal-insulated ring thread fixed connection, thermistor fixed mounting is inboard at the shell, thermistor is connected with the conductor, and thermistor closely laminates with the shell.

As an optimized technical scheme of the utility model, fill glue and fill in thermal-insulated intra-annular, and fill the glue parcel in the conductor outside.

Compared with the prior art, the utility model discloses the beneficial effect that can reach is:

1. the utility model has the advantages that through the joint, the side surface of the joint is provided with the lead, and the tail end of the lead is provided with the detection probe; the detection probe comprises a connecting ring arranged at the tail end of the lead, a heat insulation ring arranged on the side face of the connecting ring, a gasket arranged on the inner side of the heat insulation ring, a shell arranged on the side face of the heat insulation ring, a thermistor arranged on the inner side of the shell, and filling glue arranged on the inner side of the heat insulation ring;

2. the utility model discloses a heat insulating ring, heat insulating ring pass through screw thread fixed connection with the go-between, and the packing ring is installed at heat insulating ring inboard, packing ring one side and the laminating of go-between to and packing ring opposite side and heat insulating ring contact, and fill in heat insulating ring through filling glue, and fill the glue parcel in the conductor outside, reach and make the conductor be connected more firm technological effect with the wire.

Drawings

FIG. 1 is a schematic view of the complete structure of the present invention;

FIG. 2 is a side view structural diagram of the present invention;

fig. 3 is a sectional view of the utility model at a in fig. 2.

Wherein: 1. a joint; 2. a wire; 3. detecting a probe; 21. a conductor; 22. a sheath; 31. a connecting ring; 32. a heat insulating ring; 33. a gasket; 34. a housing; 35. a thermistor; 36. and filling glue.

Detailed Description

In order to make the technical means, creation features, achievement objects and functions of the present invention easy to understand, the present invention will be further explained with reference to the following embodiments, however, the following embodiments are only preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example (b):

as shown in fig. 1-3, a high-sensitivity temperature change resistant NTC temperature sensor comprises a joint 1, a lead 2 mounted on the side of the joint 1, and a detection probe 3 mounted at the end of the lead 2; the detection probe 3 comprises a connecting ring 31 arranged at the tail end of the lead 2, a heat insulation ring 32 arranged at the side surface of the connecting ring 31, a gasket 33 arranged at the inner side of the heat insulation ring 32, a shell 34 arranged at the side surface of the heat insulation ring 32, a thermistor 35 arranged at the inner side of the shell 34, and filling glue 36 arranged at the inner side of the heat insulation ring 32, wherein the lead 2 is fixedly connected with the detection probe 3 through the combined action of all parts in the detection probe 3.

In other embodiments, the wire 2 includes a conductor 21 mounted on the side of the connector 1, and a sheath 22 wrapped around the conductor 21, and the wire 2 is provided as an insulating rubber material.

In other embodiments, the connection ring 31 is fixedly mounted outside the conductor 21, the connection ring 31 is provided with threads on the outside, and the connection ring 31 is fixedly connected with the sheath 22, and the conductor 21 is fixed inside the connection ring 31 by fixing the sheath 22 through the connection ring 31.

In other embodiments, the inner side of the heat insulation ring 32 is provided with threads, the heat insulation ring 32 is fixedly connected with the connection ring 31 through the threads, and the heat insulation ring 32 is made of heat insulation materials.

In other embodiments, the gasket 33 is mounted inside the insulating ring 32, with one side of the gasket 33 abutting the connecting ring 31 and the other side of the gasket 33 contacting the insulating ring 32, the gasket 33 being resilient.

In other embodiments, the casing 34 is fixedly connected with the heat insulation ring 32 by screw threads, the thermistor 35 is fixedly installed inside the casing 34, the thermistor 35 is connected with the conductor 21, the thermistor 35 is tightly attached to the casing 34, the casing 34 is made of a material with good thermal conductivity, and temperature changes are conducted into the thermistor 35 through the casing 34.

In other embodiments, the filling glue 36 is filled in the heat insulation ring 32, and the filling glue 36 is wrapped outside the conductor 21, and the filling glue 36 is made of an insulating high-temperature-resistant material.

The utility model discloses a theory of operation: when the device is used, the lead 2 is arranged on the side surface of the joint 1 through the joint 1, and the detection probe 3 is arranged at the tail end of the lead 2; the detection probe 3 comprises a connecting ring 31 arranged at the tail end of the lead 2, a heat insulation ring 32 arranged on the side surface of the connecting ring 31, a gasket 33 arranged on the inner side of the heat insulation ring 32, a shell 34 arranged on the side surface of the heat insulation ring 32, a thermistor 35 arranged on the inner side of the shell 34, and filling glue 36 arranged on the inner side of the heat insulation ring 32, the lead 2 is fixedly connected with the detection probe 3 through the combined action of all parts in the detection probe 3, the lead 2 is made of an insulating rubber material, the conductor 21 is fixed in the connecting ring 31 through the connecting ring 31, the heat insulation ring 32 is made of a heat insulation material, one side of the gasket 33 is attached to the connecting ring 31, the other side of the gasket 33 is in contact with the heat insulation ring 32, the gasket 33 has elasticity, the shell 34 is made of a material with good heat conductivity, temperature changes are conducted into the thermistor 35 through the shell 34, and the filling glue 36 is wrapped on the outer side of the conductor 21, the filling glue 36 is made of an insulating high-temperature-resistant material, so that the conductor 21 is fixed inside the outer shell 34, and the sheath 22 is isolated from the outer shell 34 by the heat-isolating ring 32, so that the sheath 22 is not influenced by the temperature of the outer shell 34, and when the temperature of the outer shell 34 is too high, the sheath 22 is not damaged by the too high temperature.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a high sensitivity is able to bear or endure temperature change NTC temperature sensor, includes joint (1), its characterized in that: a lead (2) is installed on the side surface of the joint (1), and a detection probe (3) is installed at the tail end of the lead (2);

the detection probe (3) comprises a connecting ring (31) arranged at the tail end of the lead (2), a heat insulation ring (32) arranged on the side surface of the connecting ring (31), a gasket (33) arranged on the inner side of the heat insulation ring (32), a shell (34) arranged on the side surface of the heat insulation ring (32), a thermistor (35) arranged on the inner side of the shell (34), and filling glue (36) arranged on the inner side of the heat insulation ring (32).

2. The high-sensitivity temperature-variation-resistant NTC temperature sensor according to claim 1, wherein: the lead (2) comprises a conductor (21) arranged on the side surface of the joint (1) and a sheath (22) wrapped outside the conductor (21).

3. The high-sensitivity temperature-variation-resistant NTC temperature sensor according to claim 1, wherein: the connecting ring (31) is fixedly arranged on the outer side of the conductor (21), threads are arranged on the outer side of the connecting ring (31), and the connecting ring (31) is fixedly connected with the sheath (22).

4. The high-sensitivity temperature-variation-resistant NTC temperature sensor according to claim 1, wherein: the inner side of the heat insulation ring (32) is provided with threads, and the heat insulation ring (32) is fixedly connected with the connecting ring (31) through the threads.

5. The high-sensitivity temperature-variation-resistant NTC temperature sensor according to claim 1, wherein: the gasket (33) is arranged on the inner side of the heat insulation ring (32), one side of the gasket (33) is attached to the connecting ring (31), and the other side of the gasket (33) is in contact with the heat insulation ring (32).

6. The high-sensitivity temperature-variation-resistant NTC temperature sensor according to claim 1, wherein: the shell (34) is fixedly connected with the heat insulation ring (32) through threads, the thermistor (35) is fixedly installed on the inner side of the shell (34), the thermistor (35) is connected with the conductor (21), and the thermistor (35) is tightly attached to the shell (34).

7. The high-sensitivity temperature-variation-resistant NTC temperature sensor according to claim 1, wherein: the filling glue (36) is filled in the heat insulation ring (32), and the filling glue (36) is wrapped outside the conductor (21).