CN214010561U - High-temperature-resistant magnetic-type temperature sensor - Google Patents

Abstract

The utility model discloses a formula temperature sensor is inhaled to high temperature resistant magnetism, formula temperature sensor is inhaled to high temperature resistant magnetism includes temperature probe, and the appearance structure of metal casing body is cylindrical, and the inside wall face that belongs to the casing body is helicitic texture to set up temperature probe's detection mouth in the bottom of metal casing body, the inside of metal casing body is equipped with high temperature resistant magnet, and penetrating in the magnet through-hole of its bottom surface is seted up to high temperature resistant magnet's top surface. The utility model discloses an among the mode connection detection object is inhaled to magnetism, the user installation of being convenient for, rubber inner circle is filled in the inside of iron through-hole moreover, and rubber inner circle and all be through the fixed temperature probe of interference fit mode with the plug lid, and the length size of surveying the mouth is stretched out to the tip in can slightly adjusting temperature probe as required to adapt to different detection object, it is fixed through rubber card stopper mode moreover, avoid the back-and-forth movement, stable in structure, the data accuracy of detection is higher.

Description

High-temperature-resistant magnetic-type temperature sensor

Technical Field

The utility model belongs to the technical field of temperature sensor, concretely relates to formula temperature sensor is inhaled to high temperature resistant magnetism.

Background

A temperature sensor is a sensor that senses temperature and converts it into a usable output signal. The temperature sensor is the core part of a temperature measuring instrument, has various varieties, can be divided into two types of contact and non-contact according to the measuring mode, and is divided into two types of thermal resistance and thermocouple according to the characteristics of sensor materials and electronic elements. The temperature sensor detects the temperature of a temperature source to be detected through the temperature sensitive probe, the temperature sensor needs to enable the temperature probe and the temperature source to be close to each other for detection, the distance error is reduced as much as possible to ensure the detection precision, the traditional detection installation mode is generally a mode of locking and fixing through high-temperature glue or a structure, once the installation is completed, the distance between the temperature probe and the measured temperature source is fixed, the distance between the temperature probe and the measured temperature source is different, the temperature measurement precision has errors, and inconvenience is brought to users in special occasions.

Disclosure of Invention

(1) Technical scheme

In order to overcome the defects of the prior art, the utility model provides a high temperature resistant magnetic type temperature sensor, which comprises a temperature probe, a metal shell body, a high temperature resistant magnet, a metal shell top cover, a temperature probe and a rubber plug cover, wherein the metal shell body is cylindrical in appearance structure, the bottom of the metal shell body is closed structure, the top surface of the metal shell body is open structure, the inner side wall surface of the metal shell body is in threaded structure, a detection port of the temperature probe is arranged at the bottom of the metal shell body, the high temperature resistant magnet is arranged in the metal shell body, a magnet through hole is arranged at the bottom surface of the high temperature resistant magnet, a rubber inner ring is stuffed in the interior of the magnet through hole, the temperature probe is inserted into the rubber inner ring and then extends into the detection port, the high-temperature-resistant magnet and the temperature probe are fixed inside the shell through the metal shell body and the metal shell top cover, a thread inner ring matched with threads on the inner side wall surface of the metal shell body is arranged at the inner end of the metal shell top cover, a column tube capable of extending out of the temperature probe is arranged on the outer side wall surface of the metal shell top cover, and the rubber plug cover used for fixing the temperature probe is arranged at the tail end of the column tube.

Furthermore, the outer diameter of the high-temperature resistant magnet is the same as the inner diameter of the metal shell body, the outer diameter of the rubber inner ring is larger than the inner diameter of the detection port, and the inner diameter of the rubber inner ring is smaller than the outer diameter of the front end of the temperature probe.

Further, the metal shell top cover is of a regular hexahedron structure, and the column tube and the metal shell top cover are integrally formed.

The design principle of the utility model is as follows: encapsulate temperature probe in a metal casing, set up a through-hole the same size as temperature probe diameter in the metal casing bottom, set up the high temperature resistant magnet of a central through-hole inside the metal casing, metal casing top cap through metal casing upper portion and metal casing body are fixed high temperature resistant magnet in the metal casing with screw thread locking's mode completely, when the subassembly that will have temperature probe and high temperature resistant magnet attached is close to and is detected the metal temperature source, the suction through magnet with the firm absorption of temperature sensor subassembly on the metal temperature source, temperature probe in the subassembly is with temperature source direct contact, carry out real-time detection to the temperature of temperature source. Above all, the rubber inner circle is filled in to the inside of magnet through-hole, and the end of column casing is equipped with in addition and is used for fixing temperature probe glue the stopper lid, the rubber inner circle and with the stopper lid all is through the fixed temperature probe of interference fit mode, when the installation is accomplished, can slightly adjust the length size that the probe mouth was stretched out to the tip among the temperature probe as required to adapt to different detection object, it is fixed through rubber card stopper mode moreover, avoids the back-and-forth movement, stable in structure, the error is little, and the data accuracy that detects is higher.

(2) Advantageous effects

The utility model has the advantages that: the utility model discloses an among the mode connection detection object is inhaled to magnetism, the user installation of being convenient for, rubber inner circle is filled in the inside of iron through-hole moreover, and rubber inner circle and all be through the fixed temperature probe of interference fit mode with the plug lid, and the length size of surveying the mouth is stretched out to the tip in can slightly adjusting temperature probe as required to adapt to different detection object, it is fixed through rubber card stopper mode moreover, avoid the back-and-forth movement, stable in structure, the data accuracy of detection is higher.

Drawings

Fig. 1 is an explosion structure diagram of the high temperature resistant magnetic-type temperature sensor.

Detailed Description

The present invention will be further described with reference to the following examples.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Example one

As shown in fig. 1, the present embodiment provides a high temperature resistant magnetic type temperature sensor, the high temperature resistant magnetic type temperature sensor includes a temperature probe 4, the high temperature resistant magnetic type temperature sensor further includes a metal shell body 1, a high temperature resistant magnet 2, a metal shell top cover 3, a temperature probe 4 and a rubber plug cover 5, the metal shell body 1 has a cylindrical shape, the bottom of the metal shell body 1 is a closed structure, the top surface of the metal shell body 1 is an open structure, the inner side wall surface of the metal shell body 1 is a threaded structure, the bottom of the metal shell body 1 is provided with a detection port 11 of the temperature probe 4, the high temperature resistant magnet 2 is arranged inside the metal shell body 1, the top surface of the high temperature resistant magnet 2 is provided with a magnet through hole 21 penetrating through the bottom surface thereof, and a rubber inner ring 22 is inserted inside the magnet through hole 21, insert temperature probe extend to behind the rubber inner circle 22 in surveying the mouth 11, and high temperature resistant magnet 2 with temperature probe 4 passes through metal-back shell body 1 and metal-back shell top cap 3 are fixed inside the casing, the inner of metal-back shell top cap 3 be equipped with 1 inside wall face screw thread assorted screw thread inner circle 31 of metal-back shell body, the outside wall of metal-back shell top cap 3 is equipped with and can stretches out temperature probe 4's column tube 32, the end of column tube 32 is equipped with and is used for fixing temperature probe 4 the plug lid 5.

In this embodiment, in order to make the sensor connection more stable, the outer diameter of the high temperature resistant magnet 2 is the same as the inner diameter of the metal shell body 1, the outer diameter of the rubber inner ring 22 is larger than the inner diameter of the detection port 11, the inner diameter of the rubber inner ring 22 is smaller than the outer diameter of the front end of the temperature probe 4, the metal shell top cover 3 is of a regular hexahedron structure, and the pillar tube 32 and the metal shell top cover 3 are prepared by integral forming. This embodiment encapsulates temperature probe 4 in a metal casing, set up a through-hole the same size as temperature probe diameter in the metal casing bottom, set up high temperature resistant magnet 2 of a central through-hole inside the metal casing, metal casing top cap 3 through metal casing upper portion is fixed high temperature resistant magnet 2 in the metal casing with the mode of screw thread locking with metal casing body 1 completely, when the subassembly that will have temperature probe 4 and high temperature resistant magnet 2 attached is close when being detected the metal temperature source, the suction through magnet adsorbs the temperature sensor subassembly firmly on the metal temperature source, temperature probe in the subassembly is with temperature source direct contact, carry out real-time detection to the temperature of temperature source. Most importantly, the rubber inner ring 22 is inserted into the inside of the magnet through hole 21, and the tail end of the column tube 32 is provided with the rubber plug cover 5 for fixing the temperature probe 4, the rubber inner ring 22 and the rubber plug cover 5 fix the temperature probe 4 in an interference fit mode, when the installation is completed, the length of the probe port 11 extending out of the end head of the temperature probe 4 can be slightly adjusted according to needs, so that the temperature probe is suitable for different detection objects, and is fixed in a rubber plug clamping mode, the front and back movement is avoided, the structure is stable, the error is small, and the accuracy of detected data is higher.

The above-mentioned embodiments only represent the preferred embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several changes, modifications and substitutions can be made, which are all within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (3)

1. The high-temperature-resistant magnetic type temperature sensor comprises a temperature probe (4), and is characterized in that the high-temperature-resistant magnetic type temperature sensor further comprises a metal shell body (1), a high-temperature-resistant magnet (2), a metal shell top cover (3), the temperature probe (4) and a rubber plug cover (5), the metal shell body (1) is cylindrical in shape, the bottom of the metal shell body (1) is of a closed structure, the top surface of the metal shell body (1) is of an open structure, the inner side wall surface of the metal shell body (1) is of a threaded structure, a detection opening (11) of the temperature probe (4) is formed in the bottom of the metal shell body (1), the high-temperature-resistant magnet (2) is arranged in the metal shell body (1), a magnet through hole (21) penetrating the bottom surface of the high-temperature-resistant magnet (2) is formed in the top surface of the high-temperature-resistant magnet, and the inside of magnet through-hole (21) is filled in rubber inner circle (22), temperature probe inserts extend to behind rubber inner circle (22) in surveying mouth (11), and high temperature resistant magnet (2) with temperature probe (4) pass through metal casing body (1) and metal casing top cap (3) are fixed inside the casing, the inner of metal casing top cap (3) be equipped with metal casing body (1) inside wall face screw thread assorted screw thread inner circle (31), the outside wall of metal casing top cap (3) is equipped with can stretch out column tube (32) of temperature probe (4), the end of column tube (32) is equipped with and is used for fixing temperature probe (4) stopper lid (5).

2. The high temperature resistant magnetic temperature sensor of claim 1, wherein: the outer diameter of the high-temperature-resistant magnet (2) is the same as the inner diameter of the metal shell body (1), the outer diameter of the rubber inner ring (22) is larger than the inner diameter of the detection port (11), and the inner diameter of the rubber inner ring (22) is smaller than the outer diameter of the front end of the temperature probe (4).

3. The high temperature resistant magnetic temperature sensor of claim 1, wherein: the metal shell top cover (3) is of a regular hexahedral structure, and the column tube (32) and the metal shell top cover (3) are integrally formed and prepared.

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